From afeddb02f4482efce98a9a411c04d31daeb9aee4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= Date: Wed, 14 Jan 2015 12:39:50 +0100 Subject: Output folder added to kconfig_parser Also kconfig folder in programs/src is renamed to kconfig_parser --- programs/src/kconfig_parser/Makefile | 26 + programs/src/kconfig_parser/boolexp.c | 141 ++ programs/src/kconfig_parser/boolexp.h | 27 + programs/src/kconfig_parser/kconfig/confdata.c | 1242 +++++++++++ programs/src/kconfig_parser/kconfig/expr.c | 1168 +++++++++++ programs/src/kconfig_parser/kconfig/expr.h | 241 +++ programs/src/kconfig_parser/kconfig/list.h | 131 ++ programs/src/kconfig_parser/kconfig/lkc.h | 200 ++ programs/src/kconfig_parser/kconfig/lkc_proto.h | 57 + programs/src/kconfig_parser/kconfig/menu.c | 697 +++++++ programs/src/kconfig_parser/kconfig/symbol.c | 1373 ++++++++++++ programs/src/kconfig_parser/kconfig/util.c | 157 ++ programs/src/kconfig_parser/kconfig/zconf.gperf | 48 + programs/src/kconfig_parser/kconfig/zconf.hash.c | 289 +++ programs/src/kconfig_parser/kconfig/zconf.l | 363 ++++ programs/src/kconfig_parser/kconfig/zconf.lex.c | 2421 ++++++++++++++++++++++ programs/src/kconfig_parser/kconfig/zconf.tab.c | 2416 +++++++++++++++++++++ programs/src/kconfig_parser/kconfig/zconf.y | 733 +++++++ programs/src/kconfig_parser/kconfig_parser.c | 106 + programs/src/kconfig_parser/output.c | 82 + programs/src/kconfig_parser/output.h | 14 + programs/src/kconfig_parser/symlist.c | 49 + programs/src/kconfig_parser/symlist.h | 24 + 23 files changed, 12005 insertions(+) create mode 100644 programs/src/kconfig_parser/Makefile create mode 100644 programs/src/kconfig_parser/boolexp.c create mode 100644 programs/src/kconfig_parser/boolexp.h create mode 100644 programs/src/kconfig_parser/kconfig/confdata.c create mode 100644 programs/src/kconfig_parser/kconfig/expr.c create mode 100644 programs/src/kconfig_parser/kconfig/expr.h create mode 100644 programs/src/kconfig_parser/kconfig/list.h create mode 100644 programs/src/kconfig_parser/kconfig/lkc.h create mode 100644 programs/src/kconfig_parser/kconfig/lkc_proto.h create mode 100644 programs/src/kconfig_parser/kconfig/menu.c create mode 100644 programs/src/kconfig_parser/kconfig/symbol.c create mode 100644 programs/src/kconfig_parser/kconfig/util.c create mode 100644 programs/src/kconfig_parser/kconfig/zconf.gperf create mode 100644 programs/src/kconfig_parser/kconfig/zconf.hash.c create mode 100644 programs/src/kconfig_parser/kconfig/zconf.l create mode 100644 programs/src/kconfig_parser/kconfig/zconf.lex.c create mode 100644 programs/src/kconfig_parser/kconfig/zconf.tab.c create mode 100644 programs/src/kconfig_parser/kconfig/zconf.y create mode 100644 programs/src/kconfig_parser/kconfig_parser.c create mode 100644 programs/src/kconfig_parser/output.c create mode 100644 programs/src/kconfig_parser/output.h create mode 100644 programs/src/kconfig_parser/symlist.c create mode 100644 programs/src/kconfig_parser/symlist.h (limited to 'programs/src/kconfig_parser') diff --git a/programs/src/kconfig_parser/Makefile b/programs/src/kconfig_parser/Makefile new file mode 100644 index 0000000..cc86499 --- /dev/null +++ b/programs/src/kconfig_parser/Makefile @@ -0,0 +1,26 @@ +.SUFFIXES: + +all: kconfig_parser + + +clean: + rm -f kconfig/zconf.tab.c kconfig/zconf.lex.c kconfig/zconf.hash.c + rm -f ../../kconfig_parser + +INPUT_FILES = kconfig_parser.c +INPUT_FILES += kconfig/zconf.tab.c \ + boolexp.c \ + symlist.c \ + output.c + +kconfig_parser: $(INPUT_FILES) kconfig/zconf.lex.c kconfig/zconf.hash.c + gcc -O0 -w -ggdb -o ../../$@ $(INPUT_FILES) + +%.hash.c: %.gperf + gperf -t --output-file $@ -a -C -E -g -k '1,3,$$' -p -t $< + +%.lex.c: %.l + flex -o $@ -L -P zconf $< + +%.tab.c: %.y kconfig/zconf.lex.c kconfig/zconf.hash.c + bison -o $@ $< -p zconf -t -l diff --git a/programs/src/kconfig_parser/boolexp.c b/programs/src/kconfig_parser/boolexp.c new file mode 100644 index 0000000..a41937a --- /dev/null +++ b/programs/src/kconfig_parser/boolexp.c @@ -0,0 +1,141 @@ +#include "boolexp.h" + +struct boolexp *copy_kconfig_dep(struct symlist *sl, struct expr *expr) { + struct boolexp *w; + switch (expr->type) { + case E_SYMBOL: + w = malloc(sizeof(struct boolexp)); + w->type = BE_LEAF; + struct symlist_el *sel; + sel = symlist_find(sl, expr->left.sym->name); + if (sel == NULL) + return NULL; + w->left.id = sel->id; + return w; + case E_AND: + case E_OR: + w = malloc(sizeof(struct boolexp)); + switch (expr->type) { + case E_AND: + w->type = BE_AND; + break; + case E_OR: + w->type = BE_OR; + break; + } + w->left.be = copy_kconfig_dep(sl, expr->left.expr); + if (w->left.be == NULL) { + free(w); + return copy_kconfig_dep(sl, expr->right.expr); + } + w->right.be = copy_kconfig_dep(sl, expr->right.expr); + if (w->right.be == NULL) { + struct boolexp *ret = w->left.be; + free(w); + return ret; + } + return w; + case E_EQUAL: + case E_UNEQUAL: + return NULL; + case E_NOT: + w = malloc(sizeof(struct boolexp)); + w->type = BE_NOT; + w->left.be = copy_kconfig_dep(sl, expr->left.expr); + if (w->left.be == NULL) { + free(w); + return NULL; + } + return w; + default: + fprintf(stderr, "Error (%d): %s\n", expr->type, + sym_type_name(expr->type)); + return NULL; + } +} + +// This function is leaking memory! TODO +struct boolexp *boolexp_cnf(struct boolexp *be) { + if (be->type == BE_NOT) { + if (be->left.be->type == BE_OR || be->left.be->type == BE_AND) { + struct boolexp *root, *nleft, *nright; + root = malloc(sizeof(struct boolexp)); + nleft = malloc(sizeof(struct boolexp)); + nright = malloc(sizeof(struct boolexp)); + if (be->left.be->type == BE_OR) + root->type = BE_AND; + else if (be->left.be->type == BE_AND) + root->type = BE_OR; + nleft->type = BE_NOT; + nright->type = BE_NOT; + root->left.be = nleft; + root->right.be = nright; + nleft->left.be = be->left.be; + nright->left.be = be->right.be; + be = root; + } + } else if (be->type == BE_OR) + if (be->left.be->type == BE_AND) { + struct boolexp *root, *nleft, *nright; + root = malloc(sizeof(struct boolexp)); + nleft = malloc(sizeof(struct boolexp)); + nright = malloc(sizeof(struct boolexp)); + root->type = BE_AND; + nleft->type = BE_OR; + nright->type = BE_OR; + root->left.be = nleft; + root->right.be = nright; + nleft->left.be = be->left.be->left.be; + nleft->right.be = be->right.be; + nright->left.be = be->left.be->right.be; + nright->right.be = be->right.be; + be = root; + } else if (be->right.be->type == BE_AND) { + struct boolexp *root, *nleft, *nright; + root = malloc(sizeof(struct boolexp)); + nleft = malloc(sizeof(struct boolexp)); + nright = malloc(sizeof(struct boolexp)); + root->type = BE_AND; + nleft->type = BE_OR; + nright->type = BE_OR; + root->left.be = nleft; + root->right.be = nright; + nleft->left.be = be->left.be; + nleft->right.be = be->right.be->left.be; + nright->left.be = be->left.be; + nright->right.be = be->right.be->right.be; + be = root; + } + if (be->type == BE_OR || be->type == BE_AND || be->type == BE_NOT) + be->left.be = boolexp_cnf(be->left.be); + if (be->type == BE_OR || be->type == BE_AND) + be->right.be = boolexp_cnf(be->right.be); + return be; +} + +void boolexp_print(struct boolexp *be) { + if (be != NULL) + switch (be->type) { + case BE_LEAF: + printf("%d", be->left.id); + break; + case BE_AND: + //printf("("); + boolexp_print(be->left.be); + printf(" and "); + boolexp_print(be->right.be); + //printf(")"); + break; + case BE_OR: + printf("("); + boolexp_print(be->left.be); + printf(" or "); + boolexp_print(be->right.be); + printf(")"); + break; + case BE_NOT: + printf("-"); + boolexp_print(be->left.be); + break; + } +} diff --git a/programs/src/kconfig_parser/boolexp.h b/programs/src/kconfig_parser/boolexp.h new file mode 100644 index 0000000..f03fc33 --- /dev/null +++ b/programs/src/kconfig_parser/boolexp.h @@ -0,0 +1,27 @@ +#ifndef _BOOLEXP_H_ +#define _BOOLEXP_H_ + +#include +#include "symlist.h" +#include "kconfig/lkc.h" + +enum boolexp_type { + BE_OR, BE_AND, BE_NOT, BE_LEAF +}; + +struct boolexp; +union boolexp_data { + struct boolexp *be; + unsigned int id; +}; + +struct boolexp { + enum boolexp_type type; + union boolexp_data left, right; +}; + +struct boolexp *copy_kconfig_dep(struct symlist *sl, struct expr *expr); +struct boolexp *boolexp_cnf(struct boolexp *be); +void boolexp_print(struct boolexp *be); + +#endif /* _BOOLEXP_H_ */ diff --git a/programs/src/kconfig_parser/kconfig/confdata.c b/programs/src/kconfig_parser/kconfig/confdata.c new file mode 100644 index 0000000..f88d90f --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/confdata.c @@ -0,0 +1,1242 @@ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "lkc.h" + +static void conf_warning(const char *fmt, ...) + __attribute__ ((format (printf, 1, 2))); + +static void conf_message(const char *fmt, ...) + __attribute__ ((format (printf, 1, 2))); + +static const char *conf_filename; +static int conf_lineno, conf_warnings, conf_unsaved; + +const char conf_defname[] = "arch/$ARCH/defconfig"; + +static void conf_warning(const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); + conf_warnings++; +} + +static void conf_default_message_callback(const char *fmt, va_list ap) +{ + printf("#\n# "); + vprintf(fmt, ap); + printf("\n#\n"); +} + +static void (*conf_message_callback) (const char *fmt, va_list ap) = + conf_default_message_callback; +void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap)) +{ + conf_message_callback = fn; +} + +static void conf_message(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + if (conf_message_callback) + conf_message_callback(fmt, ap); +} + +const char *conf_get_configname(void) +{ + char *name = getenv("KCONFIG_CONFIG"); + + return name ? name : ".config"; +} + +const char *conf_get_autoconfig_name(void) +{ + char *name = getenv("KCONFIG_AUTOCONFIG"); + + return name ? name : "include/config/auto.conf"; +} + +static char *conf_expand_value(const char *in) +{ + struct symbol *sym; + const char *src; + static char res_value[SYMBOL_MAXLENGTH]; + char *dst, name[SYMBOL_MAXLENGTH]; + + res_value[0] = 0; + dst = name; + while ((src = strchr(in, '$'))) { + strncat(res_value, in, src - in); + src++; + dst = name; + while (isalnum(*src) || *src == '_') + *dst++ = *src++; + *dst = 0; + sym = sym_lookup(name, 0); + sym_calc_value(sym); + strcat(res_value, sym_get_string_value(sym)); + in = src; + } + strcat(res_value, in); + + return res_value; +} + +char *conf_get_default_confname(void) +{ + struct stat buf; + static char fullname[PATH_MAX+1]; + char *env, *name; + + name = conf_expand_value(conf_defname); + env = getenv(SRCTREE); + if (env) { + sprintf(fullname, "%s/%s", env, name); + if (!stat(fullname, &buf)) + return fullname; + } + return name; +} + +static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) +{ + char *p2; + + switch (sym->type) { + case S_TRISTATE: + if (p[0] == 'm') { + sym->def[def].tri = mod; + sym->flags |= def_flags; + break; + } + /* fall through */ + case S_BOOLEAN: + if (p[0] == 'y') { + sym->def[def].tri = yes; + sym->flags |= def_flags; + break; + } + if (p[0] == 'n') { + sym->def[def].tri = no; + sym->flags |= def_flags; + break; + } + if (def != S_DEF_AUTO) + conf_warning("symbol value '%s' invalid for %s", + p, sym->name); + return 1; + case S_OTHER: + if (*p != '"') { + for (p2 = p; *p2 && !isspace(*p2); p2++) + ; + sym->type = S_STRING; + goto done; + } + /* fall through */ + case S_STRING: + if (*p++ != '"') + break; + for (p2 = p; (p2 = strpbrk(p2, "\"\\")); p2++) { + if (*p2 == '"') { + *p2 = 0; + break; + } + memmove(p2, p2 + 1, strlen(p2)); + } + if (!p2) { + if (def != S_DEF_AUTO) + conf_warning("invalid string found"); + return 1; + } + /* fall through */ + case S_INT: + case S_HEX: + done: + if (sym_string_valid(sym, p)) { + sym->def[def].val = strdup(p); + sym->flags |= def_flags; + } else { + if (def != S_DEF_AUTO) + conf_warning("symbol value '%s' invalid for %s", + p, sym->name); + return 1; + } + break; + default: + ; + } + return 0; +} + +#define LINE_GROWTH 16 +static int add_byte(int c, char **lineptr, size_t slen, size_t *n) +{ + char *nline; + size_t new_size = slen + 1; + if (new_size > *n) { + new_size += LINE_GROWTH - 1; + new_size *= 2; + nline = realloc(*lineptr, new_size); + if (!nline) + return -1; + + *lineptr = nline; + *n = new_size; + } + + (*lineptr)[slen] = c; + + return 0; +} + +static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream) +{ + char *line = *lineptr; + size_t slen = 0; + + for (;;) { + int c = getc(stream); + + switch (c) { + case '\n': + if (add_byte(c, &line, slen, n) < 0) + goto e_out; + slen++; + /* fall through */ + case EOF: + if (add_byte('\0', &line, slen, n) < 0) + goto e_out; + *lineptr = line; + if (slen == 0) + return -1; + return slen; + default: + if (add_byte(c, &line, slen, n) < 0) + goto e_out; + slen++; + } + } + +e_out: + line[slen-1] = '\0'; + *lineptr = line; + return -1; +} + +int conf_read_simple(const char *name, int def) +{ + FILE *in = NULL; + char *line = NULL; + size_t line_asize = 0; + char *p, *p2; + struct symbol *sym; + int i, def_flags; + + if (name) { + in = zconf_fopen(name); + } else { + struct property *prop; + + name = conf_get_configname(); + in = zconf_fopen(name); + if (in) + goto load; + sym_add_change_count(1); + if (!sym_defconfig_list) { + if (modules_sym) + sym_calc_value(modules_sym); + return 1; + } + + for_all_defaults(sym_defconfig_list, prop) { + if (expr_calc_value(prop->visible.expr) == no || + prop->expr->type != E_SYMBOL) + continue; + name = conf_expand_value(prop->expr->left.sym->name); + in = zconf_fopen(name); + if (in) { + conf_message(_("using defaults found in %s"), + name); + goto load; + } + } + } + if (!in) + return 1; + +load: + conf_filename = name; + conf_lineno = 0; + conf_warnings = 0; + conf_unsaved = 0; + + def_flags = SYMBOL_DEF << def; + for_all_symbols(i, sym) { + sym->flags |= SYMBOL_CHANGED; + sym->flags &= ~(def_flags|SYMBOL_VALID); + if (sym_is_choice(sym)) + sym->flags |= def_flags; + switch (sym->type) { + case S_INT: + case S_HEX: + case S_STRING: + if (sym->def[def].val) + free(sym->def[def].val); + /* fall through */ + default: + sym->def[def].val = NULL; + sym->def[def].tri = no; + } + } + + while (compat_getline(&line, &line_asize, in) != -1) { + conf_lineno++; + sym = NULL; + if (line[0] == '#') { + if (memcmp(line + 2, CONFIG_, strlen(CONFIG_))) + continue; + p = strchr(line + 2 + strlen(CONFIG_), ' '); + if (!p) + continue; + *p++ = 0; + if (strncmp(p, "is not set", 10)) + continue; + if (def == S_DEF_USER) { + sym = sym_find(line + 2 + strlen(CONFIG_)); + if (!sym) { + sym_add_change_count(1); + goto setsym; + } + } else { + sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); + if (sym->type == S_UNKNOWN) + sym->type = S_BOOLEAN; + } + if (sym->flags & def_flags) { + conf_warning("override: reassigning to symbol %s", sym->name); + } + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + sym->def[def].tri = no; + sym->flags |= def_flags; + break; + default: + ; + } + } else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) { + p = strchr(line + strlen(CONFIG_), '='); + if (!p) + continue; + *p++ = 0; + p2 = strchr(p, '\n'); + if (p2) { + *p2-- = 0; + if (*p2 == '\r') + *p2 = 0; + } + if (def == S_DEF_USER) { + sym = sym_find(line + strlen(CONFIG_)); + if (!sym) { + sym_add_change_count(1); + goto setsym; + } + } else { + sym = sym_lookup(line + strlen(CONFIG_), 0); + if (sym->type == S_UNKNOWN) + sym->type = S_OTHER; + } + if (sym->flags & def_flags) { + conf_warning("override: reassigning to symbol %s", sym->name); + } + if (conf_set_sym_val(sym, def, def_flags, p)) + continue; + } else { + if (line[0] != '\r' && line[0] != '\n') + conf_warning("unexpected data"); + continue; + } +setsym: + if (sym && sym_is_choice_value(sym)) { + struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); + switch (sym->def[def].tri) { + case no: + break; + case mod: + if (cs->def[def].tri == yes) { + conf_warning("%s creates inconsistent choice state", sym->name); + cs->flags &= ~def_flags; + } + break; + case yes: + if (cs->def[def].tri != no) + conf_warning("override: %s changes choice state", sym->name); + cs->def[def].val = sym; + break; + } + cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri); + } + } + free(line); + fclose(in); + + if (modules_sym) + sym_calc_value(modules_sym); + return 0; +} + +int conf_read(const char *name) +{ + struct symbol *sym; + int i; + + sym_set_change_count(0); + + if (conf_read_simple(name, S_DEF_USER)) + return 1; + + for_all_symbols(i, sym) { + sym_calc_value(sym); + if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO)) + continue; + if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) { + /* check that calculated value agrees with saved value */ + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym)) + break; + if (!sym_is_choice(sym)) + continue; + /* fall through */ + default: + if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val)) + continue; + break; + } + } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE)) + /* no previous value and not saved */ + continue; + conf_unsaved++; + /* maybe print value in verbose mode... */ + } + + for_all_symbols(i, sym) { + if (sym_has_value(sym) && !sym_is_choice_value(sym)) { + /* Reset values of generates values, so they'll appear + * as new, if they should become visible, but that + * doesn't quite work if the Kconfig and the saved + * configuration disagree. + */ + if (sym->visible == no && !conf_unsaved) + sym->flags &= ~SYMBOL_DEF_USER; + switch (sym->type) { + case S_STRING: + case S_INT: + case S_HEX: + /* Reset a string value if it's out of range */ + if (sym_string_within_range(sym, sym->def[S_DEF_USER].val)) + break; + sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER); + conf_unsaved++; + break; + default: + break; + } + } + } + + sym_add_change_count(conf_warnings || conf_unsaved); + + return 0; +} + +/* + * Kconfig configuration printer + * + * This printer is used when generating the resulting configuration after + * kconfig invocation and `defconfig' files. Unset symbol might be omitted by + * passing a non-NULL argument to the printer. + * + */ +static void +kconfig_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) +{ + + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + if (*value == 'n') { + bool skip_unset = (arg != NULL); + + if (!skip_unset) + fprintf(fp, "# %s%s is not set\n", + CONFIG_, sym->name); + return; + } + break; + default: + break; + } + + fprintf(fp, "%s%s=%s\n", CONFIG_, sym->name, value); +} + +static void +kconfig_print_comment(FILE *fp, const char *value, void *arg) +{ + const char *p = value; + size_t l; + + for (;;) { + l = strcspn(p, "\n"); + fprintf(fp, "#"); + if (l) { + fprintf(fp, " "); + xfwrite(p, l, 1, fp); + p += l; + } + fprintf(fp, "\n"); + if (*p++ == '\0') + break; + } +} + +static struct conf_printer kconfig_printer_cb = +{ + .print_symbol = kconfig_print_symbol, + .print_comment = kconfig_print_comment, +}; + +/* + * Header printer + * + * This printer is used when generating the `include/generated/autoconf.h' file. + */ +static void +header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) +{ + + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: { + const char *suffix = ""; + + switch (*value) { + case 'n': + break; + case 'm': + suffix = "_MODULE"; + /* fall through */ + default: + fprintf(fp, "#define %s%s%s 1\n", + CONFIG_, sym->name, suffix); + } + break; + } + case S_HEX: { + const char *prefix = ""; + + if (value[0] != '0' || (value[1] != 'x' && value[1] != 'X')) + prefix = "0x"; + fprintf(fp, "#define %s%s %s%s\n", + CONFIG_, sym->name, prefix, value); + break; + } + case S_STRING: + case S_INT: + fprintf(fp, "#define %s%s %s\n", + CONFIG_, sym->name, value); + break; + default: + break; + } + +} + +static void +header_print_comment(FILE *fp, const char *value, void *arg) +{ + const char *p = value; + size_t l; + + fprintf(fp, "/*\n"); + for (;;) { + l = strcspn(p, "\n"); + fprintf(fp, " *"); + if (l) { + fprintf(fp, " "); + xfwrite(p, l, 1, fp); + p += l; + } + fprintf(fp, "\n"); + if (*p++ == '\0') + break; + } + fprintf(fp, " */\n"); +} + +static struct conf_printer header_printer_cb = +{ + .print_symbol = header_print_symbol, + .print_comment = header_print_comment, +}; + +/* + * Tristate printer + * + * This printer is used when generating the `include/config/tristate.conf' file. + */ +static void +tristate_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg) +{ + + if (sym->type == S_TRISTATE && *value != 'n') + fprintf(fp, "%s%s=%c\n", CONFIG_, sym->name, (char)toupper(*value)); +} + +static struct conf_printer tristate_printer_cb = +{ + .print_symbol = tristate_print_symbol, + .print_comment = kconfig_print_comment, +}; + +static void conf_write_symbol(FILE *fp, struct symbol *sym, + struct conf_printer *printer, void *printer_arg) +{ + const char *str; + + switch (sym->type) { + case S_OTHER: + case S_UNKNOWN: + break; + case S_STRING: + str = sym_get_string_value(sym); + str = sym_escape_string_value(str); + printer->print_symbol(fp, sym, str, printer_arg); + free((void *)str); + break; + default: + str = sym_get_string_value(sym); + printer->print_symbol(fp, sym, str, printer_arg); + } +} + +static void +conf_write_heading(FILE *fp, struct conf_printer *printer, void *printer_arg) +{ + char buf[256]; + + snprintf(buf, sizeof(buf), + "\n" + "Automatically generated file; DO NOT EDIT.\n" + "%s\n", + rootmenu.prompt->text); + + printer->print_comment(fp, buf, printer_arg); +} + +/* + * Write out a minimal config. + * All values that has default values are skipped as this is redundant. + */ +int conf_write_defconfig(const char *filename) +{ + struct symbol *sym; + struct menu *menu; + FILE *out; + + out = fopen(filename, "w"); + if (!out) + return 1; + + sym_clear_all_valid(); + + /* Traverse all menus to find all relevant symbols */ + menu = rootmenu.list; + + while (menu != NULL) + { + sym = menu->sym; + if (sym == NULL) { + if (!menu_is_visible(menu)) + goto next_menu; + } else if (!sym_is_choice(sym)) { + sym_calc_value(sym); + if (!(sym->flags & SYMBOL_WRITE)) + goto next_menu; + sym->flags &= ~SYMBOL_WRITE; + /* If we cannot change the symbol - skip */ + if (!sym_is_changable(sym)) + goto next_menu; + /* If symbol equals to default value - skip */ + if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0) + goto next_menu; + + /* + * If symbol is a choice value and equals to the + * default for a choice - skip. + * But only if value is bool and equal to "y" and + * choice is not "optional". + * (If choice is "optional" then all values can be "n") + */ + if (sym_is_choice_value(sym)) { + struct symbol *cs; + struct symbol *ds; + + cs = prop_get_symbol(sym_get_choice_prop(sym)); + ds = sym_choice_default(cs); + if (!sym_is_optional(cs) && sym == ds) { + if ((sym->type == S_BOOLEAN) && + sym_get_tristate_value(sym) == yes) + goto next_menu; + } + } + conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); + } +next_menu: + if (menu->list != NULL) { + menu = menu->list; + } + else if (menu->next != NULL) { + menu = menu->next; + } else { + while ((menu = menu->parent)) { + if (menu->next != NULL) { + menu = menu->next; + break; + } + } + } + } + fclose(out); + return 0; +} + +int conf_write(const char *name) +{ + FILE *out; + struct symbol *sym; + struct menu *menu; + const char *basename; + const char *str; + char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1]; + char *env; + + dirname[0] = 0; + if (name && name[0]) { + struct stat st; + char *slash; + + if (!stat(name, &st) && S_ISDIR(st.st_mode)) { + strcpy(dirname, name); + strcat(dirname, "/"); + basename = conf_get_configname(); + } else if ((slash = strrchr(name, '/'))) { + int size = slash - name + 1; + memcpy(dirname, name, size); + dirname[size] = 0; + if (slash[1]) + basename = slash + 1; + else + basename = conf_get_configname(); + } else + basename = name; + } else + basename = conf_get_configname(); + + sprintf(newname, "%s%s", dirname, basename); + env = getenv("KCONFIG_OVERWRITECONFIG"); + if (!env || !*env) { + sprintf(tmpname, "%s.tmpconfig.%d", dirname, (int)getpid()); + out = fopen(tmpname, "w"); + } else { + *tmpname = 0; + out = fopen(newname, "w"); + } + if (!out) + return 1; + + conf_write_heading(out, &kconfig_printer_cb, NULL); + + if (!conf_get_changed()) + sym_clear_all_valid(); + + menu = rootmenu.list; + while (menu) { + sym = menu->sym; + if (!sym) { + if (!menu_is_visible(menu)) + goto next; + str = menu_get_prompt(menu); + fprintf(out, "\n" + "#\n" + "# %s\n" + "#\n", str); + } else if (!(sym->flags & SYMBOL_CHOICE)) { + sym_calc_value(sym); + if (!(sym->flags & SYMBOL_WRITE)) + goto next; + sym->flags &= ~SYMBOL_WRITE; + + conf_write_symbol(out, sym, &kconfig_printer_cb, NULL); + } + +next: + if (menu->list) { + menu = menu->list; + continue; + } + if (menu->next) + menu = menu->next; + else while ((menu = menu->parent)) { + if (menu->next) { + menu = menu->next; + break; + } + } + } + fclose(out); + + if (*tmpname) { + strcat(dirname, basename); + strcat(dirname, ".old"); + rename(newname, dirname); + if (rename(tmpname, newname)) + return 1; + } + + conf_message(_("configuration written to %s"), newname); + + sym_set_change_count(0); + + return 0; +} + +static int conf_split_config(void) +{ + const char *name; + char path[PATH_MAX+1]; + char *s, *d, c; + struct symbol *sym; + struct stat sb; + int res, i, fd; + + name = conf_get_autoconfig_name(); + conf_read_simple(name, S_DEF_AUTO); + + if (chdir("include/config")) + return 1; + + res = 0; + for_all_symbols(i, sym) { + sym_calc_value(sym); + if ((sym->flags & SYMBOL_AUTO) || !sym->name) + continue; + if (sym->flags & SYMBOL_WRITE) { + if (sym->flags & SYMBOL_DEF_AUTO) { + /* + * symbol has old and new value, + * so compare them... + */ + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + if (sym_get_tristate_value(sym) == + sym->def[S_DEF_AUTO].tri) + continue; + break; + case S_STRING: + case S_HEX: + case S_INT: + if (!strcmp(sym_get_string_value(sym), + sym->def[S_DEF_AUTO].val)) + continue; + break; + default: + break; + } + } else { + /* + * If there is no old value, only 'no' (unset) + * is allowed as new value. + */ + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + if (sym_get_tristate_value(sym) == no) + continue; + break; + default: + break; + } + } + } else if (!(sym->flags & SYMBOL_DEF_AUTO)) + /* There is neither an old nor a new value. */ + continue; + /* else + * There is an old value, but no new value ('no' (unset) + * isn't saved in auto.conf, so the old value is always + * different from 'no'). + */ + + /* Replace all '_' and append ".h" */ + s = sym->name; + d = path; + while ((c = *s++)) { + c = tolower(c); + *d++ = (c == '_') ? '/' : c; + } + strcpy(d, ".h"); + + /* Assume directory path already exists. */ + fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd == -1) { + if (errno != ENOENT) { + res = 1; + break; + } + /* + * Create directory components, + * unless they exist already. + */ + d = path; + while ((d = strchr(d, '/'))) { + *d = 0; + if (stat(path, &sb) && mkdir(path, 0755)) { + res = 1; + goto out; + } + *d++ = '/'; + } + /* Try it again. */ + fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd == -1) { + res = 1; + break; + } + } + close(fd); + } +out: + if (chdir("../..")) + return 1; + + return res; +} + +int conf_write_autoconf(void) +{ + struct symbol *sym; + const char *name; + FILE *out, *tristate, *out_h; + int i; + + sym_clear_all_valid(); + + file_write_dep("include/config/auto.conf.cmd"); + + if (conf_split_config()) + return 1; + + out = fopen(".tmpconfig", "w"); + if (!out) + return 1; + + tristate = fopen(".tmpconfig_tristate", "w"); + if (!tristate) { + fclose(out); + return 1; + } + + out_h = fopen(".tmpconfig.h", "w"); + if (!out_h) { + fclose(out); + fclose(tristate); + return 1; + } + + conf_write_heading(out, &kconfig_printer_cb, NULL); + + conf_write_heading(tristate, &tristate_printer_cb, NULL); + + conf_write_heading(out_h, &header_printer_cb, NULL); + + for_all_symbols(i, sym) { + sym_calc_value(sym); + if (!(sym->flags & SYMBOL_WRITE) || !sym->name) + continue; + + /* write symbol to auto.conf, tristate and header files */ + conf_write_symbol(out, sym, &kconfig_printer_cb, (void *)1); + + conf_write_symbol(tristate, sym, &tristate_printer_cb, (void *)1); + + conf_write_symbol(out_h, sym, &header_printer_cb, NULL); + } + fclose(out); + fclose(tristate); + fclose(out_h); + + name = getenv("KCONFIG_AUTOHEADER"); + if (!name) + name = "include/generated/autoconf.h"; + if (rename(".tmpconfig.h", name)) + return 1; + name = getenv("KCONFIG_TRISTATE"); + if (!name) + name = "include/config/tristate.conf"; + if (rename(".tmpconfig_tristate", name)) + return 1; + name = conf_get_autoconfig_name(); + /* + * This must be the last step, kbuild has a dependency on auto.conf + * and this marks the successful completion of the previous steps. + */ + if (rename(".tmpconfig", name)) + return 1; + + return 0; +} + +static int sym_change_count; +static void (*conf_changed_callback)(void); + +void sym_set_change_count(int count) +{ + int _sym_change_count = sym_change_count; + sym_change_count = count; + if (conf_changed_callback && + (bool)_sym_change_count != (bool)count) + conf_changed_callback(); +} + +void sym_add_change_count(int count) +{ + sym_set_change_count(count + sym_change_count); +} + +bool conf_get_changed(void) +{ + return sym_change_count; +} + +void conf_set_changed_callback(void (*fn)(void)) +{ + conf_changed_callback = fn; +} + +static bool randomize_choice_values(struct symbol *csym) +{ + struct property *prop; + struct symbol *sym; + struct expr *e; + int cnt, def; + + /* + * If choice is mod then we may have more items selected + * and if no then no-one. + * In both cases stop. + */ + if (csym->curr.tri != yes) + return false; + + prop = sym_get_choice_prop(csym); + + /* count entries in choice block */ + cnt = 0; + expr_list_for_each_sym(prop->expr, e, sym) + cnt++; + + /* + * find a random value and set it to yes, + * set the rest to no so we have only one set + */ + def = (rand() % cnt); + + cnt = 0; + expr_list_for_each_sym(prop->expr, e, sym) { + if (def == cnt++) { + sym->def[S_DEF_USER].tri = yes; + csym->def[S_DEF_USER].val = sym; + } + else { + sym->def[S_DEF_USER].tri = no; + } + sym->flags |= SYMBOL_DEF_USER; + /* clear VALID to get value calculated */ + sym->flags &= ~SYMBOL_VALID; + } + csym->flags |= SYMBOL_DEF_USER; + /* clear VALID to get value calculated */ + csym->flags &= ~(SYMBOL_VALID); + + return true; +} + +void set_all_choice_values(struct symbol *csym) +{ + struct property *prop; + struct symbol *sym; + struct expr *e; + + prop = sym_get_choice_prop(csym); + + /* + * Set all non-assinged choice values to no + */ + expr_list_for_each_sym(prop->expr, e, sym) { + if (!sym_has_value(sym)) + sym->def[S_DEF_USER].tri = no; + } + csym->flags |= SYMBOL_DEF_USER; + /* clear VALID to get value calculated */ + csym->flags &= ~(SYMBOL_VALID | SYMBOL_NEED_SET_CHOICE_VALUES); +} + +bool conf_set_all_new_symbols(enum conf_def_mode mode) +{ + struct symbol *sym, *csym; + int i, cnt, pby, pty, ptm; /* pby: probability of boolean = y + * pty: probability of tristate = y + * ptm: probability of tristate = m + */ + + pby = 50; pty = ptm = 33; /* can't go as the default in switch-case + * below, otherwise gcc whines about + * -Wmaybe-uninitialized */ + if (mode == def_random) { + int n, p[3]; + char *env = getenv("KCONFIG_PROBABILITY"); + n = 0; + while( env && *env ) { + char *endp; + int tmp = strtol( env, &endp, 10 ); + if( tmp >= 0 && tmp <= 100 ) { + p[n++] = tmp; + } else { + errno = ERANGE; + perror( "KCONFIG_PROBABILITY" ); + exit( 1 ); + } + env = (*endp == ':') ? endp+1 : endp; + if( n >=3 ) { + break; + } + } + switch( n ) { + case 1: + pby = p[0]; ptm = pby/2; pty = pby-ptm; + break; + case 2: + pty = p[0]; ptm = p[1]; pby = pty + ptm; + break; + case 3: + pby = p[0]; pty = p[1]; ptm = p[2]; + break; + } + + if( pty+ptm > 100 ) { + errno = ERANGE; + perror( "KCONFIG_PROBABILITY" ); + exit( 1 ); + } + } + bool has_changed = false; + + for_all_symbols(i, sym) { + if (sym_has_value(sym) || (sym->flags & SYMBOL_VALID)) + continue; + switch (sym_get_type(sym)) { + case S_BOOLEAN: + case S_TRISTATE: + has_changed = true; + switch (mode) { + case def_yes: + sym->def[S_DEF_USER].tri = yes; + break; + case def_mod: + sym->def[S_DEF_USER].tri = mod; + break; + case def_no: + if (sym->flags & SYMBOL_ALLNOCONFIG_Y) + sym->def[S_DEF_USER].tri = yes; + else + sym->def[S_DEF_USER].tri = no; + break; + case def_random: + sym->def[S_DEF_USER].tri = no; + cnt = rand() % 100; + if (sym->type == S_TRISTATE) { + if (cnt < pty) + sym->def[S_DEF_USER].tri = yes; + else if (cnt < (pty+ptm)) + sym->def[S_DEF_USER].tri = mod; + } else if (cnt < pby) + sym->def[S_DEF_USER].tri = yes; + break; + default: + continue; + } + if (!(sym_is_choice(sym) && mode == def_random)) + sym->flags |= SYMBOL_DEF_USER; + break; + default: + break; + } + + } + + sym_clear_all_valid(); + + /* + * We have different type of choice blocks. + * If curr.tri equals to mod then we can select several + * choice symbols in one block. + * In this case we do nothing. + * If curr.tri equals yes then only one symbol can be + * selected in a choice block and we set it to yes, + * and the rest to no. + */ + if (mode != def_random) { + for_all_symbols(i, csym) { + if ((sym_is_choice(csym) && !sym_has_value(csym)) || + sym_is_choice_value(csym)) + csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES; + } + } + + for_all_symbols(i, csym) { + if (sym_has_value(csym) || !sym_is_choice(csym)) + continue; + + sym_calc_value(csym); + if (mode == def_random) + has_changed = randomize_choice_values(csym); + else { + set_all_choice_values(csym); + has_changed = true; + } + } + + return has_changed; +} diff --git a/programs/src/kconfig_parser/kconfig/expr.c b/programs/src/kconfig_parser/kconfig/expr.c new file mode 100644 index 0000000..d662652 --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/expr.c @@ -0,0 +1,1168 @@ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include + +#include "lkc.h" + +#define DEBUG_EXPR 0 + +struct expr *expr_alloc_symbol(struct symbol *sym) +{ + struct expr *e = xcalloc(1, sizeof(*e)); + e->type = E_SYMBOL; + e->left.sym = sym; + return e; +} + +struct expr *expr_alloc_one(enum expr_type type, struct expr *ce) +{ + struct expr *e = xcalloc(1, sizeof(*e)); + e->type = type; + e->left.expr = ce; + return e; +} + +struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2) +{ + struct expr *e = xcalloc(1, sizeof(*e)); + e->type = type; + e->left.expr = e1; + e->right.expr = e2; + return e; +} + +struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2) +{ + struct expr *e = xcalloc(1, sizeof(*e)); + e->type = type; + e->left.sym = s1; + e->right.sym = s2; + return e; +} + +struct expr *expr_alloc_and(struct expr *e1, struct expr *e2) +{ + if (!e1) + return e2; + return e2 ? expr_alloc_two(E_AND, e1, e2) : e1; +} + +struct expr *expr_alloc_or(struct expr *e1, struct expr *e2) +{ + if (!e1) + return e2; + return e2 ? expr_alloc_two(E_OR, e1, e2) : e1; +} + +struct expr *expr_copy(const struct expr *org) +{ + struct expr *e; + + if (!org) + return NULL; + + e = xmalloc(sizeof(*org)); + memcpy(e, org, sizeof(*org)); + switch (org->type) { + case E_SYMBOL: + e->left = org->left; + break; + case E_NOT: + e->left.expr = expr_copy(org->left.expr); + break; + case E_EQUAL: + case E_UNEQUAL: + e->left.sym = org->left.sym; + e->right.sym = org->right.sym; + break; + case E_AND: + case E_OR: + case E_LIST: + e->left.expr = expr_copy(org->left.expr); + e->right.expr = expr_copy(org->right.expr); + break; + default: + printf("can't copy type %d\n", e->type); + free(e); + e = NULL; + break; + } + + return e; +} + +void expr_free(struct expr *e) +{ + if (!e) + return; + + switch (e->type) { + case E_SYMBOL: + break; + case E_NOT: + expr_free(e->left.expr); + return; + case E_EQUAL: + case E_UNEQUAL: + break; + case E_OR: + case E_AND: + expr_free(e->left.expr); + expr_free(e->right.expr); + break; + default: + printf("how to free type %d?\n", e->type); + break; + } + free(e); +} + +static int trans_count; + +#define e1 (*ep1) +#define e2 (*ep2) + +static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct expr **ep2) +{ + if (e1->type == type) { + __expr_eliminate_eq(type, &e1->left.expr, &e2); + __expr_eliminate_eq(type, &e1->right.expr, &e2); + return; + } + if (e2->type == type) { + __expr_eliminate_eq(type, &e1, &e2->left.expr); + __expr_eliminate_eq(type, &e1, &e2->right.expr); + return; + } + if (e1->type == E_SYMBOL && e2->type == E_SYMBOL && + e1->left.sym == e2->left.sym && + (e1->left.sym == &symbol_yes || e1->left.sym == &symbol_no)) + return; + if (!expr_eq(e1, e2)) + return; + trans_count++; + expr_free(e1); expr_free(e2); + switch (type) { + case E_OR: + e1 = expr_alloc_symbol(&symbol_no); + e2 = expr_alloc_symbol(&symbol_no); + break; + case E_AND: + e1 = expr_alloc_symbol(&symbol_yes); + e2 = expr_alloc_symbol(&symbol_yes); + break; + default: + ; + } +} + +void expr_eliminate_eq(struct expr **ep1, struct expr **ep2) +{ + if (!e1 || !e2) + return; + switch (e1->type) { + case E_OR: + case E_AND: + __expr_eliminate_eq(e1->type, ep1, ep2); + default: + ; + } + if (e1->type != e2->type) switch (e2->type) { + case E_OR: + case E_AND: + __expr_eliminate_eq(e2->type, ep1, ep2); + default: + ; + } + e1 = expr_eliminate_yn(e1); + e2 = expr_eliminate_yn(e2); +} + +#undef e1 +#undef e2 + +int expr_eq(struct expr *e1, struct expr *e2) +{ + int res, old_count; + + if (e1->type != e2->type) + return 0; + switch (e1->type) { + case E_EQUAL: + case E_UNEQUAL: + return e1->left.sym == e2->left.sym && e1->right.sym == e2->right.sym; + case E_SYMBOL: + return e1->left.sym == e2->left.sym; + case E_NOT: + return expr_eq(e1->left.expr, e2->left.expr); + case E_AND: + case E_OR: + e1 = expr_copy(e1); + e2 = expr_copy(e2); + old_count = trans_count; + expr_eliminate_eq(&e1, &e2); + res = (e1->type == E_SYMBOL && e2->type == E_SYMBOL && + e1->left.sym == e2->left.sym); + expr_free(e1); + expr_free(e2); + trans_count = old_count; + return res; + case E_LIST: + case E_RANGE: + case E_NONE: + /* panic */; + } + + if (DEBUG_EXPR) { + expr_fprint(e1, stdout); + printf(" = "); + expr_fprint(e2, stdout); + printf(" ?\n"); + } + + return 0; +} + +struct expr *expr_eliminate_yn(struct expr *e) +{ + struct expr *tmp; + + if (e) switch (e->type) { + case E_AND: + e->left.expr = expr_eliminate_yn(e->left.expr); + e->right.expr = expr_eliminate_yn(e->right.expr); + if (e->left.expr->type == E_SYMBOL) { + if (e->left.expr->left.sym == &symbol_no) { + expr_free(e->left.expr); + expr_free(e->right.expr); + e->type = E_SYMBOL; + e->left.sym = &symbol_no; + e->right.expr = NULL; + return e; + } else if (e->left.expr->left.sym == &symbol_yes) { + free(e->left.expr); + tmp = e->right.expr; + *e = *(e->right.expr); + free(tmp); + return e; + } + } + if (e->right.expr->type == E_SYMBOL) { + if (e->right.expr->left.sym == &symbol_no) { + expr_free(e->left.expr); + expr_free(e->right.expr); + e->type = E_SYMBOL; + e->left.sym = &symbol_no; + e->right.expr = NULL; + return e; + } else if (e->right.expr->left.sym == &symbol_yes) { + free(e->right.expr); + tmp = e->left.expr; + *e = *(e->left.expr); + free(tmp); + return e; + } + } + break; + case E_OR: + e->left.expr = expr_eliminate_yn(e->left.expr); + e->right.expr = expr_eliminate_yn(e->right.expr); + if (e->left.expr->type == E_SYMBOL) { + if (e->left.expr->left.sym == &symbol_no) { + free(e->left.expr); + tmp = e->right.expr; + *e = *(e->right.expr); + free(tmp); + return e; + } else if (e->left.expr->left.sym == &symbol_yes) { + expr_free(e->left.expr); + expr_free(e->right.expr); + e->type = E_SYMBOL; + e->left.sym = &symbol_yes; + e->right.expr = NULL; + return e; + } + } + if (e->right.expr->type == E_SYMBOL) { + if (e->right.expr->left.sym == &symbol_no) { + free(e->right.expr); + tmp = e->left.expr; + *e = *(e->left.expr); + free(tmp); + return e; + } else if (e->right.expr->left.sym == &symbol_yes) { + expr_free(e->left.expr); + expr_free(e->right.expr); + e->type = E_SYMBOL; + e->left.sym = &symbol_yes; + e->right.expr = NULL; + return e; + } + } + break; + default: + ; + } + return e; +} + +/* + * bool FOO!=n => FOO + */ +struct expr *expr_trans_bool(struct expr *e) +{ + if (!e) + return NULL; + switch (e->type) { + case E_AND: + case E_OR: + case E_NOT: + e->left.expr = expr_trans_bool(e->left.expr); + e->right.expr = expr_trans_bool(e->right.expr); + break; + case E_UNEQUAL: + // FOO!=n -> FOO + if (e->left.sym->type == S_TRISTATE) { + if (e->right.sym == &symbol_no) { + e->type = E_SYMBOL; + e->right.sym = NULL; + } + } + break; + default: + ; + } + return e; +} + +/* + * e1 || e2 -> ? + */ +static struct expr *expr_join_or(struct expr *e1, struct expr *e2) +{ + struct expr *tmp; + struct symbol *sym1, *sym2; + + if (expr_eq(e1, e2)) + return expr_copy(e1); + if (e1->type != E_EQUAL && e1->type != E_UNEQUAL && e1->type != E_SYMBOL && e1->type != E_NOT) + return NULL; + if (e2->type != E_EQUAL && e2->type != E_UNEQUAL && e2->type != E_SYMBOL && e2->type != E_NOT) + return NULL; + if (e1->type == E_NOT) { + tmp = e1->left.expr; + if (tmp->type != E_EQUAL && tmp->type != E_UNEQUAL && tmp->type != E_SYMBOL) + return NULL; + sym1 = tmp->left.sym; + } else + sym1 = e1->left.sym; + if (e2->type == E_NOT) { + if (e2->left.expr->type != E_SYMBOL) + return NULL; + sym2 = e2->left.expr->left.sym; + } else + sym2 = e2->left.sym; + if (sym1 != sym2) + return NULL; + if (sym1->type != S_BOOLEAN && sym1->type != S_TRISTATE) + return NULL; + if (sym1->type == S_TRISTATE) { + if (e1->type == E_EQUAL && e2->type == E_EQUAL && + ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_mod) || + (e1->right.sym == &symbol_mod && e2->right.sym == &symbol_yes))) { + // (a='y') || (a='m') -> (a!='n') + return expr_alloc_comp(E_UNEQUAL, sym1, &symbol_no); + } + if (e1->type == E_EQUAL && e2->type == E_EQUAL && + ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_no) || + (e1->right.sym == &symbol_no && e2->right.sym == &symbol_yes))) { + // (a='y') || (a='n') -> (a!='m') + return expr_alloc_comp(E_UNEQUAL, sym1, &symbol_mod); + } + if (e1->type == E_EQUAL && e2->type == E_EQUAL && + ((e1->right.sym == &symbol_mod && e2->right.sym == &symbol_no) || + (e1->right.sym == &symbol_no && e2->right.sym == &symbol_mod))) { + // (a='m') || (a='n') -> (a!='y') + return expr_alloc_comp(E_UNEQUAL, sym1, &symbol_yes); + } + } + if (sym1->type == S_BOOLEAN && sym1 == sym2) { + if ((e1->type == E_NOT && e1->left.expr->type == E_SYMBOL && e2->type == E_SYMBOL) || + (e2->type == E_NOT && e2->left.expr->type == E_SYMBOL && e1->type == E_SYMBOL)) + return expr_alloc_symbol(&symbol_yes); + } + + if (DEBUG_EXPR) { + printf("optimize ("); + expr_fprint(e1, stdout); + printf(") || ("); + expr_fprint(e2, stdout); + printf(")?\n"); + } + return NULL; +} + +static struct expr *expr_join_and(struct expr *e1, struct expr *e2) +{ + struct expr *tmp; + struct symbol *sym1, *sym2; + + if (expr_eq(e1, e2)) + return expr_copy(e1); + if (e1->type != E_EQUAL && e1->type != E_UNEQUAL && e1->type != E_SYMBOL && e1->type != E_NOT) + return NULL; + if (e2->type != E_EQUAL && e2->type != E_UNEQUAL && e2->type != E_SYMBOL && e2->type != E_NOT) + return NULL; + if (e1->type == E_NOT) { + tmp = e1->left.expr; + if (tmp->type != E_EQUAL && tmp->type != E_UNEQUAL && tmp->type != E_SYMBOL) + return NULL; + sym1 = tmp->left.sym; + } else + sym1 = e1->left.sym; + if (e2->type == E_NOT) { + if (e2->left.expr->type != E_SYMBOL) + return NULL; + sym2 = e2->left.expr->left.sym; + } else + sym2 = e2->left.sym; + if (sym1 != sym2) + return NULL; + if (sym1->type != S_BOOLEAN && sym1->type != S_TRISTATE) + return NULL; + + if ((e1->type == E_SYMBOL && e2->type == E_EQUAL && e2->right.sym == &symbol_yes) || + (e2->type == E_SYMBOL && e1->type == E_EQUAL && e1->right.sym == &symbol_yes)) + // (a) && (a='y') -> (a='y') + return expr_alloc_comp(E_EQUAL, sym1, &symbol_yes); + + if ((e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_no) || + (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_no)) + // (a) && (a!='n') -> (a) + return expr_alloc_symbol(sym1); + + if ((e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_mod) || + (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_mod)) + // (a) && (a!='m') -> (a='y') + return expr_alloc_comp(E_EQUAL, sym1, &symbol_yes); + + if (sym1->type == S_TRISTATE) { + if (e1->type == E_EQUAL && e2->type == E_UNEQUAL) { + // (a='b') && (a!='c') -> 'b'='c' ? 'n' : a='b' + sym2 = e1->right.sym; + if ((e2->right.sym->flags & SYMBOL_CONST) && (sym2->flags & SYMBOL_CONST)) + return sym2 != e2->right.sym ? expr_alloc_comp(E_EQUAL, sym1, sym2) + : expr_alloc_symbol(&symbol_no); + } + if (e1->type == E_UNEQUAL && e2->type == E_EQUAL) { + // (a='b') && (a!='c') -> 'b'='c' ? 'n' : a='b' + sym2 = e2->right.sym; + if ((e1->right.sym->flags & SYMBOL_CONST) && (sym2->flags & SYMBOL_CONST)) + return sym2 != e1->right.sym ? expr_alloc_comp(E_EQUAL, sym1, sym2) + : expr_alloc_symbol(&symbol_no); + } + if (e1->type == E_UNEQUAL && e2->type == E_UNEQUAL && + ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_no) || + (e1->right.sym == &symbol_no && e2->right.sym == &symbol_yes))) + // (a!='y') && (a!='n') -> (a='m') + return expr_alloc_comp(E_EQUAL, sym1, &symbol_mod); + + if (e1->type == E_UNEQUAL && e2->type == E_UNEQUAL && + ((e1->right.sym == &symbol_yes && e2->right.sym == &symbol_mod) || + (e1->right.sym == &symbol_mod && e2->right.sym == &symbol_yes))) + // (a!='y') && (a!='m') -> (a='n') + return expr_alloc_comp(E_EQUAL, sym1, &symbol_no); + + if (e1->type == E_UNEQUAL && e2->type == E_UNEQUAL && + ((e1->right.sym == &symbol_mod && e2->right.sym == &symbol_no) || + (e1->right.sym == &symbol_no && e2->right.sym == &symbol_mod))) + // (a!='m') && (a!='n') -> (a='m') + return expr_alloc_comp(E_EQUAL, sym1, &symbol_yes); + + if ((e1->type == E_SYMBOL && e2->type == E_EQUAL && e2->right.sym == &symbol_mod) || + (e2->type == E_SYMBOL && e1->type == E_EQUAL && e1->right.sym == &symbol_mod) || + (e1->type == E_SYMBOL && e2->type == E_UNEQUAL && e2->right.sym == &symbol_yes) || + (e2->type == E_SYMBOL && e1->type == E_UNEQUAL && e1->right.sym == &symbol_yes)) + return NULL; + } + + if (DEBUG_EXPR) { + printf("optimize ("); + expr_fprint(e1, stdout); + printf(") && ("); + expr_fprint(e2, stdout); + printf(")?\n"); + } + return NULL; +} + +static void expr_eliminate_dups1(enum expr_type type, struct expr **ep1, struct expr **ep2) +{ +#define e1 (*ep1) +#define e2 (*ep2) + struct expr *tmp; + + if (e1->type == type) { + expr_eliminate_dups1(type, &e1->left.expr, &e2); + expr_eliminate_dups1(type, &e1->right.expr, &e2); + return; + } + if (e2->type == type) { + expr_eliminate_dups1(type, &e1, &e2->left.expr); + expr_eliminate_dups1(type, &e1, &e2->right.expr); + return; + } + if (e1 == e2) + return; + + switch (e1->type) { + case E_OR: case E_AND: + expr_eliminate_dups1(e1->type, &e1, &e1); + default: + ; + } + + switch (type) { + case E_OR: + tmp = expr_join_or(e1, e2); + if (tmp) { + expr_free(e1); expr_free(e2); + e1 = expr_alloc_symbol(&symbol_no); + e2 = tmp; + trans_count++; + } + break; + case E_AND: + tmp = expr_join_and(e1, e2); + if (tmp) { + expr_free(e1); expr_free(e2); + e1 = expr_alloc_symbol(&symbol_yes); + e2 = tmp; + trans_count++; + } + break; + default: + ; + } +#undef e1 +#undef e2 +} + +static void expr_eliminate_dups2(enum expr_type type, struct expr **ep1, struct expr **ep2) +{ +#define e1 (*ep1) +#define e2 (*ep2) + struct expr *tmp, *tmp1, *tmp2; + + if (e1->type == type) { + expr_eliminate_dups2(type, &e1->left.expr, &e2); + expr_eliminate_dups2(type, &e1->right.expr, &e2); + return; + } + if (e2->type == type) { + expr_eliminate_dups2(type, &e1, &e2->left.expr); + expr_eliminate_dups2(type, &e1, &e2->right.expr); + } + if (e1 == e2) + return; + + switch (e1->type) { + case E_OR: + expr_eliminate_dups2(e1->type, &e1, &e1); + // (FOO || BAR) && (!FOO && !BAR) -> n + tmp1 = expr_transform(expr_alloc_one(E_NOT, expr_copy(e1))); + tmp2 = expr_copy(e2); + tmp = expr_extract_eq_and(&tmp1, &tmp2); + if (expr_is_yes(tmp1)) { + expr_free(e1); + e1 = expr_alloc_symbol(&symbol_no); + trans_count++; + } + expr_free(tmp2); + expr_free(tmp1); + expr_free(tmp); + break; + case E_AND: + expr_eliminate_dups2(e1->type, &e1, &e1); + // (FOO && BAR) || (!FOO || !BAR) -> y + tmp1 = expr_transform(expr_alloc_one(E_NOT, expr_copy(e1))); + tmp2 = expr_copy(e2); + tmp = expr_extract_eq_or(&tmp1, &tmp2); + if (expr_is_no(tmp1)) { + expr_free(e1); + e1 = expr_alloc_symbol(&symbol_yes); + trans_count++; + } + expr_free(tmp2); + expr_free(tmp1); + expr_free(tmp); + break; + default: + ; + } +#undef e1 +#undef e2 +} + +struct expr *expr_eliminate_dups(struct expr *e) +{ + int oldcount; + if (!e) + return e; + + oldcount = trans_count; + while (1) { + trans_count = 0; + switch (e->type) { + case E_OR: case E_AND: + expr_eliminate_dups1(e->type, &e, &e); + expr_eliminate_dups2(e->type, &e, &e); + default: + ; + } + if (!trans_count) + break; + e = expr_eliminate_yn(e); + } + trans_count = oldcount; + return e; +} + +struct expr *expr_transform(struct expr *e) +{ + struct expr *tmp; + + if (!e) + return NULL; + switch (e->type) { + case E_EQUAL: + case E_UNEQUAL: + case E_SYMBOL: + case E_LIST: + break; + default: + e->left.expr = expr_transform(e->left.expr); + e->right.expr = expr_transform(e->right.expr); + } + + switch (e->type) { + case E_EQUAL: + if (e->left.sym->type != S_BOOLEAN) + break; + if (e->right.sym == &symbol_no) { + e->type = E_NOT; + e->left.expr = expr_alloc_symbol(e->left.sym); + e->right.sym = NULL; + break; + } + if (e->right.sym == &symbol_mod) { + printf("boolean symbol %s tested for 'm'? test forced to 'n'\n", e->left.sym->name); + e->type = E_SYMBOL; + e->left.sym = &symbol_no; + e->right.sym = NULL; + break; + } + if (e->right.sym == &symbol_yes) { + e->type = E_SYMBOL; + e->right.sym = NULL; + break; + } + break; + case E_UNEQUAL: + if (e->left.sym->type != S_BOOLEAN) + break; + if (e->right.sym == &symbol_no) { + e->type = E_SYMBOL; + e->right.sym = NULL; + break; + } + if (e->right.sym == &symbol_mod) { + printf("boolean symbol %s tested for 'm'? test forced to 'y'\n", e->left.sym->name); + e->type = E_SYMBOL; + e->left.sym = &symbol_yes; + e->right.sym = NULL; + break; + } + if (e->right.sym == &symbol_yes) { + e->type = E_NOT; + e->left.expr = expr_alloc_symbol(e->left.sym); + e->right.sym = NULL; + break; + } + break; + case E_NOT: + switch (e->left.expr->type) { + case E_NOT: + // !!a -> a + tmp = e->left.expr->left.expr; + free(e->left.expr); + free(e); + e = tmp; + e = expr_transform(e); + break; + case E_EQUAL: + case E_UNEQUAL: + // !a='x' -> a!='x' + tmp = e->left.expr; + free(e); + e = tmp; + e->type = e->type == E_EQUAL ? E_UNEQUAL : E_EQUAL; + break; + case E_OR: + // !(a || b) -> !a && !b + tmp = e->left.expr; + e->type = E_AND; + e->right.expr = expr_alloc_one(E_NOT, tmp->right.expr); + tmp->type = E_NOT; + tmp->right.expr = NULL; + e = expr_transform(e); + break; + case E_AND: + // !(a && b) -> !a || !b + tmp = e->left.expr; + e->type = E_OR; + e->right.expr = expr_alloc_one(E_NOT, tmp->right.expr); + tmp->type = E_NOT; + tmp->right.expr = NULL; + e = expr_transform(e); + break; + case E_SYMBOL: + if (e->left.expr->left.sym == &symbol_yes) { + // !'y' -> 'n' + tmp = e->left.expr; + free(e); + e = tmp; + e->type = E_SYMBOL; + e->left.sym = &symbol_no; + break; + } + if (e->left.expr->left.sym == &symbol_mod) { + // !'m' -> 'm' + tmp = e->left.expr; + free(e); + e = tmp; + e->type = E_SYMBOL; + e->left.sym = &symbol_mod; + break; + } + if (e->left.expr->left.sym == &symbol_no) { + // !'n' -> 'y' + tmp = e->left.expr; + free(e); + e = tmp; + e->type = E_SYMBOL; + e->left.sym = &symbol_yes; + break; + } + break; + default: + ; + } + break; + default: + ; + } + return e; +} + +int expr_contains_symbol(struct expr *dep, struct symbol *sym) +{ + if (!dep) + return 0; + + switch (dep->type) { + case E_AND: + case E_OR: + return expr_contains_symbol(dep->left.expr, sym) || + expr_contains_symbol(dep->right.expr, sym); + case E_SYMBOL: + return dep->left.sym == sym; + case E_EQUAL: + case E_UNEQUAL: + return dep->left.sym == sym || + dep->right.sym == sym; + case E_NOT: + return expr_contains_symbol(dep->left.expr, sym); + default: + ; + } + return 0; +} + +bool expr_depends_symbol(struct expr *dep, struct symbol *sym) +{ + if (!dep) + return false; + + switch (dep->type) { + case E_AND: + return expr_depends_symbol(dep->left.expr, sym) || + expr_depends_symbol(dep->right.expr, sym); + case E_SYMBOL: + return dep->left.sym == sym; + case E_EQUAL: + if (dep->left.sym == sym) { + if (dep->right.sym == &symbol_yes || dep->right.sym == &symbol_mod) + return true; + } + break; + case E_UNEQUAL: + if (dep->left.sym == sym) { + if (dep->right.sym == &symbol_no) + return true; + } + break; + default: + ; + } + return false; +} + +struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2) +{ + struct expr *tmp = NULL; + expr_extract_eq(E_AND, &tmp, ep1, ep2); + if (tmp) { + *ep1 = expr_eliminate_yn(*ep1); + *ep2 = expr_eliminate_yn(*ep2); + } + return tmp; +} + +struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2) +{ + struct expr *tmp = NULL; + expr_extract_eq(E_OR, &tmp, ep1, ep2); + if (tmp) { + *ep1 = expr_eliminate_yn(*ep1); + *ep2 = expr_eliminate_yn(*ep2); + } + return tmp; +} + +void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2) +{ +#define e1 (*ep1) +#define e2 (*ep2) + if (e1->type == type) { + expr_extract_eq(type, ep, &e1->left.expr, &e2); + expr_extract_eq(type, ep, &e1->right.expr, &e2); + return; + } + if (e2->type == type) { + expr_extract_eq(type, ep, ep1, &e2->left.expr); + expr_extract_eq(type, ep, ep1, &e2->right.expr); + return; + } + if (expr_eq(e1, e2)) { + *ep = *ep ? expr_alloc_two(type, *ep, e1) : e1; + expr_free(e2); + if (type == E_AND) { + e1 = expr_alloc_symbol(&symbol_yes); + e2 = expr_alloc_symbol(&symbol_yes); + } else if (type == E_OR) { + e1 = expr_alloc_symbol(&symbol_no); + e2 = expr_alloc_symbol(&symbol_no); + } + } +#undef e1 +#undef e2 +} + +struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym) +{ + struct expr *e1, *e2; + + if (!e) { + e = expr_alloc_symbol(sym); + if (type == E_UNEQUAL) + e = expr_alloc_one(E_NOT, e); + return e; + } + switch (e->type) { + case E_AND: + e1 = expr_trans_compare(e->left.expr, E_EQUAL, sym); + e2 = expr_trans_compare(e->right.expr, E_EQUAL, sym); + if (sym == &symbol_yes) + e = expr_alloc_two(E_AND, e1, e2); + if (sym == &symbol_no) + e = expr_alloc_two(E_OR, e1, e2); + if (type == E_UNEQUAL) + e = expr_alloc_one(E_NOT, e); + return e; + case E_OR: + e1 = expr_trans_compare(e->left.expr, E_EQUAL, sym); + e2 = expr_trans_compare(e->right.expr, E_EQUAL, sym); + if (sym == &symbol_yes) + e = expr_alloc_two(E_OR, e1, e2); + if (sym == &symbol_no) + e = expr_alloc_two(E_AND, e1, e2); + if (type == E_UNEQUAL) + e = expr_alloc_one(E_NOT, e); + return e; + case E_NOT: + return expr_trans_compare(e->left.expr, type == E_EQUAL ? E_UNEQUAL : E_EQUAL, sym); + case E_UNEQUAL: + case E_EQUAL: + if (type == E_EQUAL) { + if (sym == &symbol_yes) + return expr_copy(e); + if (sym == &symbol_mod) + return expr_alloc_symbol(&symbol_no); + if (sym == &symbol_no) + return expr_alloc_one(E_NOT, expr_copy(e)); + } else { + if (sym == &symbol_yes) + return expr_alloc_one(E_NOT, expr_copy(e)); + if (sym == &symbol_mod) + return expr_alloc_symbol(&symbol_yes); + if (sym == &symbol_no) + return expr_copy(e); + } + break; + case E_SYMBOL: + return expr_alloc_comp(type, e->left.sym, sym); + case E_LIST: + case E_RANGE: + case E_NONE: + /* panic */; + } + return NULL; +} + +tristate expr_calc_value(struct expr *e) +{ + tristate val1, val2; + const char *str1, *str2; + + if (!e) + return yes; + + switch (e->type) { + case E_SYMBOL: + sym_calc_value(e->left.sym); + return e->left.sym->curr.tri; + case E_AND: + val1 = expr_calc_value(e->left.expr); + val2 = expr_calc_value(e->right.expr); + return EXPR_AND(val1, val2); + case E_OR: + val1 = expr_calc_value(e->left.expr); + val2 = expr_calc_value(e->right.expr); + return EXPR_OR(val1, val2); + case E_NOT: + val1 = expr_calc_value(e->left.expr); + return EXPR_NOT(val1); + case E_EQUAL: + sym_calc_value(e->left.sym); + sym_calc_value(e->right.sym); + str1 = sym_get_string_value(e->left.sym); + str2 = sym_get_string_value(e->right.sym); + return !strcmp(str1, str2) ? yes : no; + case E_UNEQUAL: + sym_calc_value(e->left.sym); + sym_calc_value(e->right.sym); + str1 = sym_get_string_value(e->left.sym); + str2 = sym_get_string_value(e->right.sym); + return !strcmp(str1, str2) ? no : yes; + default: + printf("expr_calc_value: %d?\n", e->type); + return no; + } +} + +int expr_compare_type(enum expr_type t1, enum expr_type t2) +{ +#if 0 + return 1; +#else + if (t1 == t2) + return 0; + switch (t1) { + case E_EQUAL: + case E_UNEQUAL: + if (t2 == E_NOT) + return 1; + case E_NOT: + if (t2 == E_AND) + return 1; + case E_AND: + if (t2 == E_OR) + return 1; + case E_OR: + if (t2 == E_LIST) + return 1; + case E_LIST: + if (t2 == 0) + return 1; + default: + return -1; + } + printf("[%dgt%d?]", t1, t2); + return 0; +#endif +} + +static inline struct expr * +expr_get_leftmost_symbol(const struct expr *e) +{ + + if (e == NULL) + return NULL; + + while (e->type != E_SYMBOL) + e = e->left.expr; + + return expr_copy(e); +} + +/* + * Given expression `e1' and `e2', returns the leaf of the longest + * sub-expression of `e1' not containing 'e2. + */ +struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2) +{ + struct expr *ret; + + switch (e1->type) { + case E_OR: + return expr_alloc_and( + expr_simplify_unmet_dep(e1->left.expr, e2), + expr_simplify_unmet_dep(e1->right.expr, e2)); + case E_AND: { + struct expr *e; + e = expr_alloc_and(expr_copy(e1), expr_copy(e2)); + e = expr_eliminate_dups(e); + ret = (!expr_eq(e, e1)) ? e1 : NULL; + expr_free(e); + break; + } + default: + ret = e1; + break; + } + + return expr_get_leftmost_symbol(ret); +} + +void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken) +{ + if (!e) { + fn(data, NULL, "y"); + return; + } + + if (expr_compare_type(prevtoken, e->type) > 0) + fn(data, NULL, "("); + switch (e->type) { + case E_SYMBOL: + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, ""); + break; + case E_NOT: + fn(data, NULL, "!"); + expr_print(e->left.expr, fn, data, E_NOT); + break; + case E_EQUAL: + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, ""); + fn(data, NULL, "="); + fn(data, e->right.sym, e->right.sym->name); + break; + case E_UNEQUAL: + if (e->left.sym->name) + fn(data, e->left.sym, e->left.sym->name); + else + fn(data, NULL, ""); + fn(data, NULL, "!="); + fn(data, e->right.sym, e->right.sym->name); + break; + case E_OR: + expr_print(e->left.expr, fn, data, E_OR); + fn(data, NULL, " || "); + expr_print(e->right.expr, fn, data, E_OR); + break; + case E_AND: + expr_print(e->left.expr, fn, data, E_AND); + fn(data, NULL, " && "); + expr_print(e->right.expr, fn, data, E_AND); + break; + case E_LIST: + fn(data, e->right.sym, e->right.sym->name); + if (e->left.expr) { + fn(data, NULL, " ^ "); + expr_print(e->left.expr, fn, data, E_LIST); + } + break; + case E_RANGE: + fn(data, NULL, "["); + fn(data, e->left.sym, e->left.sym->name); + fn(data, NULL, " "); + fn(data, e->right.sym, e->right.sym->name); + fn(data, NULL, "]"); + break; + default: + { + char buf[32]; + sprintf(buf, "", e->type); + fn(data, NULL, buf); + break; + } + } + if (expr_compare_type(prevtoken, e->type) > 0) + fn(data, NULL, ")"); +} + +static void expr_print_file_helper(void *data, struct symbol *sym, const char *str) +{ + xfwrite(str, strlen(str), 1, data); +} + +void expr_fprint(struct expr *e, FILE *out) +{ + expr_print(e, expr_print_file_helper, out, E_NONE); +} + +static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str) +{ + struct gstr *gs = (struct gstr*)data; + const char *sym_str = NULL; + + if (sym) + sym_str = sym_get_string_value(sym); + + if (gs->max_width) { + unsigned extra_length = strlen(str); + const char *last_cr = strrchr(gs->s, '\n'); + unsigned last_line_length; + + if (sym_str) + extra_length += 4 + strlen(sym_str); + + if (!last_cr) + last_cr = gs->s; + + last_line_length = strlen(gs->s) - (last_cr - gs->s); + + if ((last_line_length + extra_length) > gs->max_width) + str_append(gs, "\\\n"); + } + + str_append(gs, str); + if (sym && sym->type != S_UNKNOWN) + str_printf(gs, " [=%s]", sym_str); +} + +void expr_gstr_print(struct expr *e, struct gstr *gs) +{ + expr_print(e, expr_print_gstr_helper, gs, E_NONE); +} diff --git a/programs/src/kconfig_parser/kconfig/expr.h b/programs/src/kconfig_parser/kconfig/expr.h new file mode 100644 index 0000000..412ea8a --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/expr.h @@ -0,0 +1,241 @@ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#ifndef EXPR_H +#define EXPR_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include +#include "list.h" +#ifndef __cplusplus +#include +#endif + +struct file { + struct file *next; + struct file *parent; + const char *name; + int lineno; +}; + +typedef enum tristate { + no, mod, yes +} tristate; + +enum expr_type { + E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_LIST, E_SYMBOL, E_RANGE +}; + +union expr_data { + struct expr *expr; + struct symbol *sym; +}; + +struct expr { + enum expr_type type; + union expr_data left, right; +}; + +#define EXPR_OR(dep1, dep2) (((dep1)>(dep2))?(dep1):(dep2)) +#define EXPR_AND(dep1, dep2) (((dep1)<(dep2))?(dep1):(dep2)) +#define EXPR_NOT(dep) (2-(dep)) + +#define expr_list_for_each_sym(l, e, s) \ + for (e = (l); e && (s = e->right.sym); e = e->left.expr) + +struct expr_value { + struct expr *expr; + tristate tri; +}; + +struct symbol_value { + void *val; + tristate tri; +}; + +enum symbol_type { + S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER +}; + +/* enum values are used as index to symbol.def[] */ +enum { + S_DEF_USER, /* main user value */ + S_DEF_AUTO, /* values read from auto.conf */ + S_DEF_DEF3, /* Reserved for UI usage */ + S_DEF_DEF4, /* Reserved for UI usage */ + S_DEF_COUNT +}; + +struct symbol { + struct symbol *next; + char *name; + enum symbol_type type; + struct symbol_value curr; + struct symbol_value def[S_DEF_COUNT]; + tristate visible; + int flags; + struct property *prop; + struct expr_value dir_dep; + struct expr_value rev_dep; +}; + +#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER) + +#define SYMBOL_CONST 0x0001 /* symbol is const */ +#define SYMBOL_CHECK 0x0008 /* used during dependency checking */ +#define SYMBOL_CHOICE 0x0010 /* start of a choice block (null name) */ +#define SYMBOL_CHOICEVAL 0x0020 /* used as a value in a choice block */ +#define SYMBOL_VALID 0x0080 /* set when symbol.curr is calculated */ +#define SYMBOL_OPTIONAL 0x0100 /* choice is optional - values can be 'n' */ +#define SYMBOL_WRITE 0x0200 /* write symbol to file (KCONFIG_CONFIG) */ +#define SYMBOL_CHANGED 0x0400 /* ? */ +#define SYMBOL_AUTO 0x1000 /* value from environment variable */ +#define SYMBOL_CHECKED 0x2000 /* used during dependency checking */ +#define SYMBOL_WARNED 0x8000 /* warning has been issued */ + +/* Set when symbol.def[] is used */ +#define SYMBOL_DEF 0x10000 /* First bit of SYMBOL_DEF */ +#define SYMBOL_DEF_USER 0x10000 /* symbol.def[S_DEF_USER] is valid */ +#define SYMBOL_DEF_AUTO 0x20000 /* symbol.def[S_DEF_AUTO] is valid */ +#define SYMBOL_DEF3 0x40000 /* symbol.def[S_DEF_3] is valid */ +#define SYMBOL_DEF4 0x80000 /* symbol.def[S_DEF_4] is valid */ + +/* choice values need to be set before calculating this symbol value */ +#define SYMBOL_NEED_SET_CHOICE_VALUES 0x100000 + +/* Set symbol to y if allnoconfig; used for symbols that hide others */ +#define SYMBOL_ALLNOCONFIG_Y 0x200000 + +#define SYMBOL_MAXLENGTH 256 +#define SYMBOL_HASHSIZE 9973 + +/* A property represent the config options that can be associated + * with a config "symbol". + * Sample: + * config FOO + * default y + * prompt "foo prompt" + * select BAR + * config BAZ + * int "BAZ Value" + * range 1..255 + */ +enum prop_type { + P_UNKNOWN, + P_PROMPT, /* prompt "foo prompt" or "BAZ Value" */ + P_COMMENT, /* text associated with a comment */ + P_MENU, /* prompt associated with a menuconfig option */ + P_DEFAULT, /* default y */ + P_CHOICE, /* choice value */ + P_SELECT, /* select BAR */ + P_RANGE, /* range 7..100 (for a symbol) */ + P_ENV, /* value from environment variable */ + P_SYMBOL, /* where a symbol is defined */ +}; + +struct property { + struct property *next; /* next property - null if last */ + struct symbol *sym; /* the symbol for which the property is associated */ + enum prop_type type; /* type of property */ + const char *text; /* the prompt value - P_PROMPT, P_MENU, P_COMMENT */ + struct expr_value visible; + struct expr *expr; /* the optional conditional part of the property */ + struct menu *menu; /* the menu the property are associated with + * valid for: P_SELECT, P_RANGE, P_CHOICE, + * P_PROMPT, P_DEFAULT, P_MENU, P_COMMENT */ + struct file *file; /* what file was this property defined */ + int lineno; /* what lineno was this property defined */ +}; + +#define for_all_properties(sym, st, tok) \ + for (st = sym->prop; st; st = st->next) \ + if (st->type == (tok)) +#define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT) +#define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE) +#define for_all_prompts(sym, st) \ + for (st = sym->prop; st; st = st->next) \ + if (st->text) + +struct menu { + struct menu *next; + struct menu *parent; + struct menu *list; + struct symbol *sym; + struct property *prompt; + struct expr *visibility; + struct expr *dep; + unsigned int flags; + char *help; + struct file *file; + int lineno; + void *data; +}; + +#define MENU_CHANGED 0x0001 +#define MENU_ROOT 0x0002 + +struct jump_key { + struct list_head entries; + size_t offset; + struct menu *target; + int index; +}; + +#define JUMP_NB 9 + +extern struct file *file_list; +extern struct file *current_file; +struct file *lookup_file(const char *name); + +extern struct symbol symbol_yes, symbol_no, symbol_mod; +extern struct symbol *modules_sym; +extern struct symbol *sym_defconfig_list; +extern int cdebug; +struct expr *expr_alloc_symbol(struct symbol *sym); +struct expr *expr_alloc_one(enum expr_type type, struct expr *ce); +struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2); +struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2); +struct expr *expr_alloc_and(struct expr *e1, struct expr *e2); +struct expr *expr_alloc_or(struct expr *e1, struct expr *e2); +struct expr *expr_copy(const struct expr *org); +void expr_free(struct expr *e); +int expr_eq(struct expr *e1, struct expr *e2); +void expr_eliminate_eq(struct expr **ep1, struct expr **ep2); +tristate expr_calc_value(struct expr *e); +struct expr *expr_eliminate_yn(struct expr *e); +struct expr *expr_trans_bool(struct expr *e); +struct expr *expr_eliminate_dups(struct expr *e); +struct expr *expr_transform(struct expr *e); +int expr_contains_symbol(struct expr *dep, struct symbol *sym); +bool expr_depends_symbol(struct expr *dep, struct symbol *sym); +struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2); +struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2); +void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2); +struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym); +struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2); + +void expr_fprint(struct expr *e, FILE *out); +struct gstr; /* forward */ +void expr_gstr_print(struct expr *e, struct gstr *gs); + +static inline int expr_is_yes(struct expr *e) +{ + return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes); +} + +static inline int expr_is_no(struct expr *e) +{ + return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no); +} + +#ifdef __cplusplus +} +#endif + +#endif /* EXPR_H */ diff --git a/programs/src/kconfig_parser/kconfig/list.h b/programs/src/kconfig_parser/kconfig/list.h new file mode 100644 index 0000000..685d80e --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/list.h @@ -0,0 +1,131 @@ +#ifndef LIST_H +#define LIST_H + +/* + * Copied from include/linux/... + */ + +#undef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) + +/** + * container_of - cast a member of a structure out to the containing structure + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + * + */ +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + + +struct list_head { + struct list_head *next, *prev; +}; + + +#define LIST_HEAD_INIT(name) { &(name), &(name) } + +#define LIST_HEAD(name) \ + struct list_head name = LIST_HEAD_INIT(name) + +/** + * list_entry - get the struct for this entry + * @ptr: the &struct list_head pointer. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + */ +#define list_entry(ptr, type, member) \ + container_of(ptr, type, member) + +/** + * list_for_each_entry - iterate over list of given type + * @pos: the type * to use as a loop cursor. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry(pos, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member)) + +/** + * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry + * @pos: the type * to use as a loop cursor. + * @n: another type * to use as temporary storage + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry_safe(pos, n, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + n = list_entry(pos->member.next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = n, n = list_entry(n->member.next, typeof(*n), member)) + +/** + * list_empty - tests whether a list is empty + * @head: the list to test. + */ +static inline int list_empty(const struct list_head *head) +{ + return head->next == head; +} + +/* + * Insert a new entry between two known consecutive entries. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static inline void __list_add(struct list_head *_new, + struct list_head *prev, + struct list_head *next) +{ + next->prev = _new; + _new->next = next; + _new->prev = prev; + prev->next = _new; +} + +/** + * list_add_tail - add a new entry + * @new: new entry to be added + * @head: list head to add it before + * + * Insert a new entry before the specified head. + * This is useful for implementing queues. + */ +static inline void list_add_tail(struct list_head *_new, struct list_head *head) +{ + __list_add(_new, head->prev, head); +} + +/* + * Delete a list entry by making the prev/next entries + * point to each other. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static inline void __list_del(struct list_head *prev, struct list_head *next) +{ + next->prev = prev; + prev->next = next; +} + +#define LIST_POISON1 ((void *) 0x00100100) +#define LIST_POISON2 ((void *) 0x00200200) +/** + * list_del - deletes entry from list. + * @entry: the element to delete from the list. + * Note: list_empty() on entry does not return true after this, the entry is + * in an undefined state. + */ +static inline void list_del(struct list_head *entry) +{ + __list_del(entry->prev, entry->next); + entry->next = (struct list_head*)LIST_POISON1; + entry->prev = (struct list_head*)LIST_POISON2; +} +#endif diff --git a/programs/src/kconfig_parser/kconfig/lkc.h b/programs/src/kconfig_parser/kconfig/lkc.h new file mode 100644 index 0000000..d5daa7a --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/lkc.h @@ -0,0 +1,200 @@ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#ifndef LKC_H +#define LKC_H + +#include "expr.h" + +#ifndef KBUILD_NO_NLS +# include +#else +static inline const char *gettext(const char *txt) { return txt; } +static inline void textdomain(const char *domainname) {} +static inline void bindtextdomain(const char *name, const char *dir) {} +static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; } +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#define P(name,type,arg) extern type name arg +#include "lkc_proto.h" +#undef P + +#define SRCTREE "srctree" + +#ifndef PACKAGE +#define PACKAGE "linux" +#endif + +#define LOCALEDIR "/usr/share/locale" + +#define _(text) gettext(text) +#define N_(text) (text) + +#ifndef CONFIG_ +#define CONFIG_ "CONFIG_" +#endif +static inline const char *CONFIG_prefix(void) +{ + return getenv( "CONFIG_" ) ?: CONFIG_; +} +#undef CONFIG_ +#define CONFIG_ CONFIG_prefix() + +#define TF_COMMAND 0x0001 +#define TF_PARAM 0x0002 +#define TF_OPTION 0x0004 + +enum conf_def_mode { + def_default, + def_yes, + def_mod, + def_no, + def_random +}; + +#define T_OPT_MODULES 1 +#define T_OPT_DEFCONFIG_LIST 2 +#define T_OPT_ENV 3 +#define T_OPT_ALLNOCONFIG_Y 4 + +struct kconf_id { + int name; + int token; + unsigned int flags; + enum symbol_type stype; +}; + +extern int zconfdebug; + +int zconfparse(void); +void zconfdump(FILE *out); +void zconf_starthelp(void); +FILE *zconf_fopen(const char *name); +void zconf_initscan(const char *name); +void zconf_nextfile(const char *name); +int zconf_lineno(void); +const char *zconf_curname(void); + +/* confdata.c */ +const char *conf_get_configname(void); +const char *conf_get_autoconfig_name(void); +char *conf_get_default_confname(void); +void sym_set_change_count(int count); +void sym_add_change_count(int count); +bool conf_set_all_new_symbols(enum conf_def_mode mode); +void set_all_choice_values(struct symbol *csym); + +struct conf_printer { + void (*print_symbol)(FILE *, struct symbol *, const char *, void *); + void (*print_comment)(FILE *, const char *, void *); +}; + +/* confdata.c and expr.c */ +static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) +{ + assert(len != 0); + + if (fwrite(str, len, count, out) != count) + fprintf(stderr, "Error in writing or end of file.\n"); +} + +/* menu.c */ +void _menu_init(void); +void menu_warn(struct menu *menu, const char *fmt, ...); +struct menu *menu_add_menu(void); +void menu_end_menu(void); +void menu_add_entry(struct symbol *sym); +void menu_end_entry(void); +void menu_add_dep(struct expr *dep); +void menu_add_visibility(struct expr *dep); +struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep); +struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); +void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); +void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); +void menu_add_option(int token, char *arg); +void menu_finalize(struct menu *parent); +void menu_set_type(int type); + +/* util.c */ +struct file *file_lookup(const char *name); +int file_write_dep(const char *name); +void *xmalloc(size_t size); +void *xcalloc(size_t nmemb, size_t size); + +struct gstr { + size_t len; + char *s; + /* + * when max_width is not zero long lines in string s (if any) get + * wrapped not to exceed the max_width value + */ + int max_width; +}; +struct gstr str_new(void); +struct gstr str_assign(const char *s); +void str_free(struct gstr *gs); +void str_append(struct gstr *gs, const char *s); +void str_printf(struct gstr *gs, const char *fmt, ...); +const char *str_get(struct gstr *gs); + +/* symbol.c */ +extern struct expr *sym_env_list; + +void sym_init(void); +void sym_clear_all_valid(void); +void sym_set_all_changed(void); +void sym_set_changed(struct symbol *sym); +struct symbol *sym_choice_default(struct symbol *sym); +const char *sym_get_string_default(struct symbol *sym); +struct symbol *sym_check_deps(struct symbol *sym); +struct property *prop_alloc(enum prop_type type, struct symbol *sym); +struct symbol *prop_get_symbol(struct property *prop); +struct property *sym_get_env_prop(struct symbol *sym); + +static inline tristate sym_get_tristate_value(struct symbol *sym) +{ + return sym->curr.tri; +} + + +static inline struct symbol *sym_get_choice_value(struct symbol *sym) +{ + return (struct symbol *)sym->curr.val; +} + +static inline bool sym_set_choice_value(struct symbol *ch, struct symbol *chval) +{ + return sym_set_tristate_value(chval, yes); +} + +static inline bool sym_is_choice(struct symbol *sym) +{ + return sym->flags & SYMBOL_CHOICE ? true : false; +} + +static inline bool sym_is_choice_value(struct symbol *sym) +{ + return sym->flags & SYMBOL_CHOICEVAL ? true : false; +} + +static inline bool sym_is_optional(struct symbol *sym) +{ + return sym->flags & SYMBOL_OPTIONAL ? true : false; +} + +static inline bool sym_has_value(struct symbol *sym) +{ + return sym->flags & SYMBOL_DEF_USER ? true : false; +} + +#ifdef __cplusplus +} +#endif + +#endif /* LKC_H */ diff --git a/programs/src/kconfig_parser/kconfig/lkc_proto.h b/programs/src/kconfig_parser/kconfig/lkc_proto.h new file mode 100644 index 0000000..ecdb965 --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/lkc_proto.h @@ -0,0 +1,57 @@ +#include + +/* confdata.c */ +P(conf_parse,void,(const char *name)); +P(conf_read,int,(const char *name)); +P(conf_read_simple,int,(const char *name, int)); +P(conf_write_defconfig,int,(const char *name)); +P(conf_write,int,(const char *name)); +P(conf_write_autoconf,int,(void)); +P(conf_get_changed,bool,(void)); +P(conf_set_changed_callback, void,(void (*fn)(void))); +P(conf_set_message_callback, void,(void (*fn)(const char *fmt, va_list ap))); + +/* menu.c */ +P(rootmenu,struct menu,); + +P(menu_is_empty, bool, (struct menu *menu)); +P(menu_is_visible, bool, (struct menu *menu)); +P(menu_has_prompt, bool, (struct menu *menu)); +P(menu_get_prompt,const char *,(struct menu *menu)); +P(menu_get_root_menu,struct menu *,(struct menu *menu)); +P(menu_get_parent_menu,struct menu *,(struct menu *menu)); +P(menu_has_help,bool,(struct menu *menu)); +P(menu_get_help,const char *,(struct menu *menu)); +P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head + *head)); +P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head + *head)); +P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help)); + +/* symbol.c */ +P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]); + +P(sym_lookup,struct symbol *,(const char *name, int flags)); +P(sym_find,struct symbol *,(const char *name)); +P(sym_expand_string_value,const char *,(const char *in)); +P(sym_escape_string_value, const char *,(const char *in)); +P(sym_re_search,struct symbol **,(const char *pattern)); +P(sym_type_name,const char *,(enum symbol_type type)); +P(sym_calc_value,void,(struct symbol *sym)); +P(sym_get_type,enum symbol_type,(struct symbol *sym)); +P(sym_tristate_within_range,bool,(struct symbol *sym,tristate tri)); +P(sym_set_tristate_value,bool,(struct symbol *sym,tristate tri)); +P(sym_toggle_tristate_value,tristate,(struct symbol *sym)); +P(sym_string_valid,bool,(struct symbol *sym, const char *newval)); +P(sym_string_within_range,bool,(struct symbol *sym, const char *str)); +P(sym_set_string_value,bool,(struct symbol *sym, const char *newval)); +P(sym_is_changable,bool,(struct symbol *sym)); +P(sym_get_choice_prop,struct property *,(struct symbol *sym)); +P(sym_get_default_prop,struct property *,(struct symbol *sym)); +P(sym_get_string_value,const char *,(struct symbol *sym)); + +P(prop_get_type_name,const char *,(enum prop_type type)); + +/* expr.c */ +P(expr_compare_type,int,(enum expr_type t1, enum expr_type t2)); +P(expr_print,void,(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)); diff --git a/programs/src/kconfig_parser/kconfig/menu.c b/programs/src/kconfig_parser/kconfig/menu.c new file mode 100644 index 0000000..a26cc5d --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/menu.c @@ -0,0 +1,697 @@ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include + +#include "lkc.h" + +static const char nohelp_text[] = "There is no help available for this option."; + +struct menu rootmenu; +static struct menu **last_entry_ptr; + +struct file *file_list; +struct file *current_file; + +void menu_warn(struct menu *menu, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); +} + +static void prop_warn(struct property *prop, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + va_end(ap); +} + +void _menu_init(void) +{ + current_entry = current_menu = &rootmenu; + last_entry_ptr = &rootmenu.list; +} + +void menu_add_entry(struct symbol *sym) +{ + struct menu *menu; + + menu = xmalloc(sizeof(*menu)); + memset(menu, 0, sizeof(*menu)); + menu->sym = sym; + menu->parent = current_menu; + menu->file = current_file; + menu->lineno = zconf_lineno(); + + *last_entry_ptr = menu; + last_entry_ptr = &menu->next; + current_entry = menu; + if (sym) + menu_add_symbol(P_SYMBOL, sym, NULL); +} + +void menu_end_entry(void) +{ +} + +struct menu *menu_add_menu(void) +{ + menu_end_entry(); + last_entry_ptr = ¤t_entry->list; + return current_menu = current_entry; +} + +void menu_end_menu(void) +{ + last_entry_ptr = ¤t_menu->next; + current_menu = current_menu->parent; +} + +static struct expr *menu_check_dep(struct expr *e) +{ + if (!e) + return e; + + switch (e->type) { + case E_NOT: + e->left.expr = menu_check_dep(e->left.expr); + break; + case E_OR: + case E_AND: + e->left.expr = menu_check_dep(e->left.expr); + e->right.expr = menu_check_dep(e->right.expr); + break; + case E_SYMBOL: + /* change 'm' into 'm' && MODULES */ + if (e->left.sym == &symbol_mod) + return expr_alloc_and(e, expr_alloc_symbol(modules_sym)); + break; + default: + break; + } + return e; +} + +void menu_add_dep(struct expr *dep) +{ + current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep)); +} + +void menu_set_type(int type) +{ + struct symbol *sym = current_entry->sym; + + if (sym->type == type) + return; + if (sym->type == S_UNKNOWN) { + sym->type = type; + return; + } + menu_warn(current_entry, + "ignoring type redefinition of '%s' from '%s' to '%s'", + sym->name ? sym->name : "", + sym_type_name(sym->type), sym_type_name(type)); +} + +struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep) +{ + struct property *prop = prop_alloc(type, current_entry->sym); + + prop->menu = current_entry; + prop->expr = expr; + prop->visible.expr = menu_check_dep(dep); + + if (prompt) { + if (isspace(*prompt)) { + prop_warn(prop, "leading whitespace ignored"); + while (isspace(*prompt)) + prompt++; + } + if (current_entry->prompt && current_entry != &rootmenu) + prop_warn(prop, "prompt redefined"); + + /* Apply all upper menus' visibilities to actual prompts. */ + if(type == P_PROMPT) { + struct menu *menu = current_entry; + + while ((menu = menu->parent) != NULL) { + struct expr *dup_expr; + + if (!menu->visibility) + continue; + /* + * Do not add a reference to the + * menu's visibility expression but + * use a copy of it. Otherwise the + * expression reduction functions + * will modify expressions that have + * multiple references which can + * cause unwanted side effects. + */ + dup_expr = expr_copy(menu->visibility); + + prop->visible.expr + = expr_alloc_and(prop->visible.expr, + dup_expr); + } + } + + current_entry->prompt = prop; + } + prop->text = prompt; + + return prop; +} + +struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) +{ + return menu_add_prop(type, prompt, NULL, dep); +} + +void menu_add_visibility(struct expr *expr) +{ + current_entry->visibility = expr_alloc_and(current_entry->visibility, + expr); +} + +void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) +{ + menu_add_prop(type, NULL, expr, dep); +} + +void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep) +{ + menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep); +} + +void menu_add_option(int token, char *arg) +{ + switch (token) { + case T_OPT_MODULES: + if (modules_sym) + zconf_error("symbol '%s' redefines option 'modules'" + " already defined by symbol '%s'", + current_entry->sym->name, + modules_sym->name + ); + modules_sym = current_entry->sym; + break; + case T_OPT_DEFCONFIG_LIST: + if (!sym_defconfig_list) + sym_defconfig_list = current_entry->sym; + else if (sym_defconfig_list != current_entry->sym) + zconf_error("trying to redefine defconfig symbol"); + break; + case T_OPT_ENV: + prop_add_env(arg); + break; + case T_OPT_ALLNOCONFIG_Y: + current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; + break; + } +} + +static int menu_validate_number(struct symbol *sym, struct symbol *sym2) +{ + return sym2->type == S_INT || sym2->type == S_HEX || + (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name)); +} + +static void sym_check_prop(struct symbol *sym) +{ + struct property *prop; + struct symbol *sym2; + for (prop = sym->prop; prop; prop = prop->next) { + switch (prop->type) { + case P_DEFAULT: + if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) && + prop->expr->type != E_SYMBOL) + prop_warn(prop, + "default for config symbol '%s'" + " must be a single symbol", sym->name); + if (prop->expr->type != E_SYMBOL) + break; + sym2 = prop_get_symbol(prop); + if (sym->type == S_HEX || sym->type == S_INT) { + if (!menu_validate_number(sym, sym2)) + prop_warn(prop, + "'%s': number is invalid", + sym->name); + } + break; + case P_SELECT: + sym2 = prop_get_symbol(prop); + if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE) + prop_warn(prop, + "config symbol '%s' uses select, but is " + "not boolean or tristate", sym->name); + else if (sym2->type != S_UNKNOWN && + sym2->type != S_BOOLEAN && + sym2->type != S_TRISTATE) + prop_warn(prop, + "'%s' has wrong type. 'select' only " + "accept arguments of boolean and " + "tristate type", sym2->name); + break; + case P_RANGE: + if (sym->type != S_INT && sym->type != S_HEX) + prop_warn(prop, "range is only allowed " + "for int or hex symbols"); + if (!menu_validate_number(sym, prop->expr->left.sym) || + !menu_validate_number(sym, prop->expr->right.sym)) + prop_warn(prop, "range is invalid"); + break; + default: + ; + } + } +} + +void menu_finalize(struct menu *parent) +{ + struct menu *menu, *last_menu; + struct symbol *sym; + struct property *prop; + struct expr *parentdep, *basedep, *dep, *dep2, **ep; + + sym = parent->sym; + if (parent->list) { + if (sym && sym_is_choice(sym)) { + if (sym->type == S_UNKNOWN) { + /* find the first choice value to find out choice type */ + current_entry = parent; + for (menu = parent->list; menu; menu = menu->next) { + if (menu->sym && menu->sym->type != S_UNKNOWN) { + menu_set_type(menu->sym->type); + break; + } + } + } + /* set the type of the remaining choice values */ + for (menu = parent->list; menu; menu = menu->next) { + current_entry = menu; + if (menu->sym && menu->sym->type == S_UNKNOWN) + menu_set_type(sym->type); + } + parentdep = expr_alloc_symbol(sym); + } else if (parent->prompt) + parentdep = parent->prompt->visible.expr; + else + parentdep = parent->dep; + + for (menu = parent->list; menu; menu = menu->next) { + basedep = expr_transform(menu->dep); + basedep = expr_alloc_and(expr_copy(parentdep), basedep); + basedep = expr_eliminate_dups(basedep); + menu->dep = basedep; + if (menu->sym) + prop = menu->sym->prop; + else + prop = menu->prompt; + for (; prop; prop = prop->next) { + if (prop->menu != menu) + continue; + dep = expr_transform(prop->visible.expr); + dep = expr_alloc_and(expr_copy(basedep), dep); + dep = expr_eliminate_dups(dep); + if (menu->sym && menu->sym->type != S_TRISTATE) + dep = expr_trans_bool(dep); + prop->visible.expr = dep; + if (prop->type == P_SELECT) { + struct symbol *es = prop_get_symbol(prop); + es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr, + expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); + } + } + } + for (menu = parent->list; menu; menu = menu->next) + menu_finalize(menu); + } else if (sym) { + basedep = parent->prompt ? parent->prompt->visible.expr : NULL; + basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no); + basedep = expr_eliminate_dups(expr_transform(basedep)); + last_menu = NULL; + for (menu = parent->next; menu; menu = menu->next) { + dep = menu->prompt ? menu->prompt->visible.expr : menu->dep; + if (!expr_contains_symbol(dep, sym)) + break; + if (expr_depends_symbol(dep, sym)) + goto next; + dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no); + dep = expr_eliminate_dups(expr_transform(dep)); + dep2 = expr_copy(basedep); + expr_eliminate_eq(&dep, &dep2); + expr_free(dep); + if (!expr_is_yes(dep2)) { + expr_free(dep2); + break; + } + expr_free(dep2); + next: + menu_finalize(menu); + menu->parent = parent; + last_menu = menu; + } + if (last_menu) { + parent->list = parent->next; + parent->next = last_menu->next; + last_menu->next = NULL; + } + + sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep); + } + for (menu = parent->list; menu; menu = menu->next) { + if (sym && sym_is_choice(sym) && + menu->sym && !sym_is_choice_value(menu->sym)) { + current_entry = menu; + menu->sym->flags |= SYMBOL_CHOICEVAL; + if (!menu->prompt) + menu_warn(menu, "choice value must have a prompt"); + for (prop = menu->sym->prop; prop; prop = prop->next) { + if (prop->type == P_DEFAULT) + prop_warn(prop, "defaults for choice " + "values not supported"); + if (prop->menu == menu) + continue; + if (prop->type == P_PROMPT && + prop->menu->parent->sym != sym) + prop_warn(prop, "choice value used outside its choice group"); + } + /* Non-tristate choice values of tristate choices must + * depend on the choice being set to Y. The choice + * values' dependencies were propagated to their + * properties above, so the change here must be re- + * propagated. + */ + if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) { + basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes); + menu->dep = expr_alloc_and(basedep, menu->dep); + for (prop = menu->sym->prop; prop; prop = prop->next) { + if (prop->menu != menu) + continue; + prop->visible.expr = expr_alloc_and(expr_copy(basedep), + prop->visible.expr); + } + } + menu_add_symbol(P_CHOICE, sym, NULL); + prop = sym_get_choice_prop(sym); + for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr) + ; + *ep = expr_alloc_one(E_LIST, NULL); + (*ep)->right.sym = menu->sym; + } + if (menu->list && (!menu->prompt || !menu->prompt->text)) { + for (last_menu = menu->list; ; last_menu = last_menu->next) { + last_menu->parent = parent; + if (!last_menu->next) + break; + } + last_menu->next = menu->next; + menu->next = menu->list; + menu->list = NULL; + } + } + + if (sym && !(sym->flags & SYMBOL_WARNED)) { + if (sym->type == S_UNKNOWN) + menu_warn(parent, "config symbol defined without type"); + + if (sym_is_choice(sym) && !parent->prompt) + menu_warn(parent, "choice must have a prompt"); + + /* Check properties connected to this symbol */ + sym_check_prop(sym); + sym->flags |= SYMBOL_WARNED; + } + + if (sym && !sym_is_optional(sym) && parent->prompt) { + sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr, + expr_alloc_and(parent->prompt->visible.expr, + expr_alloc_symbol(&symbol_mod))); + } +} + +bool menu_has_prompt(struct menu *menu) +{ + if (!menu->prompt) + return false; + return true; +} + +/* + * Determine if a menu is empty. + * A menu is considered empty if it contains no or only + * invisible entries. + */ +bool menu_is_empty(struct menu *menu) +{ + struct menu *child; + + for (child = menu->list; child; child = child->next) { + if (menu_is_visible(child)) + return(false); + } + return(true); +} + +bool menu_is_visible(struct menu *menu) +{ + struct menu *child; + struct symbol *sym; + tristate visible; + + if (!menu->prompt) + return false; + + if (menu->visibility) { + if (expr_calc_value(menu->visibility) == no) + return no; + } + + sym = menu->sym; + if (sym) { + sym_calc_value(sym); + visible = menu->prompt->visible.tri; + } else + visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr); + + if (visible != no) + return true; + + if (!sym || sym_get_tristate_value(menu->sym) == no) + return false; + + for (child = menu->list; child; child = child->next) { + if (menu_is_visible(child)) { + if (sym) + sym->flags |= SYMBOL_DEF_USER; + return true; + } + } + + return false; +} + +const char *menu_get_prompt(struct menu *menu) +{ + if (menu->prompt) + return menu->prompt->text; + else if (menu->sym) + return menu->sym->name; + return NULL; +} + +struct menu *menu_get_root_menu(struct menu *menu) +{ + return &rootmenu; +} + +struct menu *menu_get_parent_menu(struct menu *menu) +{ + enum prop_type type; + + for (; menu != &rootmenu; menu = menu->parent) { + type = menu->prompt ? menu->prompt->type : 0; + if (type == P_MENU) + break; + } + return menu; +} + +bool menu_has_help(struct menu *menu) +{ + return menu->help != NULL; +} + +const char *menu_get_help(struct menu *menu) +{ + if (menu->help) + return menu->help; + else + return ""; +} + +static void get_prompt_str(struct gstr *r, struct property *prop, + struct list_head *head) +{ + int i, j; + struct menu *submenu[8], *menu, *location = NULL; + struct jump_key *jump; + + str_printf(r, _("Prompt: %s\n"), _(prop->text)); + menu = prop->menu->parent; + for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) { + bool accessible = menu_is_visible(menu); + + submenu[i++] = menu; + if (location == NULL && accessible) + location = menu; + } + if (head && location) { + jump = xmalloc(sizeof(struct jump_key)); + + if (menu_is_visible(prop->menu)) { + /* + * There is not enough room to put the hint at the + * beginning of the "Prompt" line. Put the hint on the + * last "Location" line even when it would belong on + * the former. + */ + jump->target = prop->menu; + } else + jump->target = location; + + if (list_empty(head)) + jump->index = 0; + else + jump->index = list_entry(head->prev, struct jump_key, + entries)->index + 1; + + list_add_tail(&jump->entries, head); + } + + if (i > 0) { + str_printf(r, _(" Location:\n")); + for (j = 4; --i >= 0; j += 2) { + menu = submenu[i]; + if (head && location && menu == location) + jump->offset = strlen(r->s); + str_printf(r, "%*c-> %s", j, ' ', + _(menu_get_prompt(menu))); + if (menu->sym) { + str_printf(r, " (%s [=%s])", menu->sym->name ? + menu->sym->name : _(""), + sym_get_string_value(menu->sym)); + } + str_append(r, "\n"); + } + } +} + +/* + * get property of type P_SYMBOL + */ +static struct property *get_symbol_prop(struct symbol *sym) +{ + struct property *prop = NULL; + + for_all_properties(sym, prop, P_SYMBOL) + break; + return prop; +} + +/* + * head is optional and may be NULL + */ +void get_symbol_str(struct gstr *r, struct symbol *sym, + struct list_head *head) +{ + bool hit; + struct property *prop; + + if (sym && sym->name) { + str_printf(r, "Symbol: %s [=%s]\n", sym->name, + sym_get_string_value(sym)); + str_printf(r, "Type : %s\n", sym_type_name(sym->type)); + if (sym->type == S_INT || sym->type == S_HEX) { + prop = sym_get_range_prop(sym); + if (prop) { + str_printf(r, "Range : "); + expr_gstr_print(prop->expr, r); + str_append(r, "\n"); + } + } + } + for_all_prompts(sym, prop) + get_prompt_str(r, prop, head); + + prop = get_symbol_prop(sym); + if (prop) { + str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name, + prop->menu->lineno); + if (!expr_is_yes(prop->visible.expr)) { + str_append(r, _(" Depends on: ")); + expr_gstr_print(prop->visible.expr, r); + str_append(r, "\n"); + } + } + + hit = false; + for_all_properties(sym, prop, P_SELECT) { + if (!hit) { + str_append(r, " Selects: "); + hit = true; + } else + str_printf(r, " && "); + expr_gstr_print(prop->expr, r); + } + if (hit) + str_append(r, "\n"); + if (sym->rev_dep.expr) { + str_append(r, _(" Selected by: ")); + expr_gstr_print(sym->rev_dep.expr, r); + str_append(r, "\n"); + } + str_append(r, "\n\n"); +} + +struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head) +{ + struct symbol *sym; + struct gstr res = str_new(); + int i; + + for (i = 0; sym_arr && (sym = sym_arr[i]); i++) + get_symbol_str(&res, sym, head); + if (!i) + str_append(&res, _("No matches found.\n")); + return res; +} + + +void menu_get_ext_help(struct menu *menu, struct gstr *help) +{ + struct symbol *sym = menu->sym; + const char *help_text = nohelp_text; + + if (menu_has_help(menu)) { + if (sym->name) + str_printf(help, "%s%s:\n\n", CONFIG_, sym->name); + help_text = menu_get_help(menu); + } + str_printf(help, "%s\n", _(help_text)); + if (sym) + get_symbol_str(help, sym, NULL); +} diff --git a/programs/src/kconfig_parser/kconfig/symbol.c b/programs/src/kconfig_parser/kconfig/symbol.c new file mode 100644 index 0000000..7caabdb --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/symbol.c @@ -0,0 +1,1373 @@ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include +#include + +#include "lkc.h" + +struct symbol symbol_yes = { + .name = "y", + .curr = { "y", yes }, + .flags = SYMBOL_CONST|SYMBOL_VALID, +}, symbol_mod = { + .name = "m", + .curr = { "m", mod }, + .flags = SYMBOL_CONST|SYMBOL_VALID, +}, symbol_no = { + .name = "n", + .curr = { "n", no }, + .flags = SYMBOL_CONST|SYMBOL_VALID, +}, symbol_empty = { + .name = "", + .curr = { "", no }, + .flags = SYMBOL_VALID, +}; + +struct symbol *sym_defconfig_list; +struct symbol *modules_sym; +tristate modules_val; + +struct expr *sym_env_list; + +static void sym_add_default(struct symbol *sym, const char *def) +{ + struct property *prop = prop_alloc(P_DEFAULT, sym); + + prop->expr = expr_alloc_symbol(sym_lookup(def, SYMBOL_CONST)); +} + +void sym_init(void) +{ + struct symbol *sym; + struct utsname uts; + static bool inited = false; + + if (inited) + return; + inited = true; + + uname(&uts); + + sym = sym_lookup("UNAME_RELEASE", 0); + sym->type = S_STRING; + sym->flags |= SYMBOL_AUTO; + sym_add_default(sym, uts.release); +} + +enum symbol_type sym_get_type(struct symbol *sym) +{ + enum symbol_type type = sym->type; + + if (type == S_TRISTATE) { + if (sym_is_choice_value(sym) && sym->visible == yes) + type = S_BOOLEAN; + else if (modules_val == no) + type = S_BOOLEAN; + } + return type; +} + +const char *sym_type_name(enum symbol_type type) +{ + switch (type) { + case S_BOOLEAN: + return "boolean"; + case S_TRISTATE: + return "tristate"; + case S_INT: + return "integer"; + case S_HEX: + return "hex"; + case S_STRING: + return "string"; + case S_UNKNOWN: + return "unknown"; + case S_OTHER: + break; + } + return "???"; +} + +struct property *sym_get_choice_prop(struct symbol *sym) +{ + struct property *prop; + + for_all_choices(sym, prop) + return prop; + return NULL; +} + +struct property *sym_get_env_prop(struct symbol *sym) +{ + struct property *prop; + + for_all_properties(sym, prop, P_ENV) + return prop; + return NULL; +} + +struct property *sym_get_default_prop(struct symbol *sym) +{ + struct property *prop; + + for_all_defaults(sym, prop) { + prop->visible.tri = expr_calc_value(prop->visible.expr); + if (prop->visible.tri != no) + return prop; + } + return NULL; +} + +static struct property *sym_get_range_prop(struct symbol *sym) +{ + struct property *prop; + + for_all_properties(sym, prop, P_RANGE) { + prop->visible.tri = expr_calc_value(prop->visible.expr); + if (prop->visible.tri != no) + return prop; + } + return NULL; +} + +static long long sym_get_range_val(struct symbol *sym, int base) +{ + sym_calc_value(sym); + switch (sym->type) { + case S_INT: + base = 10; + break; + case S_HEX: + base = 16; + break; + default: + break; + } + return strtoll(sym->curr.val, NULL, base); +} + +static void sym_validate_range(struct symbol *sym) +{ + struct property *prop; + int base; + long long val, val2; + char str[64]; + + switch (sym->type) { + case S_INT: + base = 10; + break; + case S_HEX: + base = 16; + break; + default: + return; + } + prop = sym_get_range_prop(sym); + if (!prop) + return; + val = strtoll(sym->curr.val, NULL, base); + val2 = sym_get_range_val(prop->expr->left.sym, base); + if (val >= val2) { + val2 = sym_get_range_val(prop->expr->right.sym, base); + if (val <= val2) + return; + } + if (sym->type == S_INT) + sprintf(str, "%lld", val2); + else + sprintf(str, "0x%llx", val2); + sym->curr.val = strdup(str); +} + +static void sym_calc_visibility(struct symbol *sym) +{ + struct property *prop; + tristate tri; + + /* any prompt visible? */ + tri = no; + for_all_prompts(sym, prop) { + prop->visible.tri = expr_calc_value(prop->visible.expr); + tri = EXPR_OR(tri, prop->visible.tri); + } + if (tri == mod && (sym->type != S_TRISTATE || modules_val == no)) + tri = yes; + if (sym->visible != tri) { + sym->visible = tri; + sym_set_changed(sym); + } + if (sym_is_choice_value(sym)) + return; + /* defaulting to "yes" if no explicit "depends on" are given */ + tri = yes; + if (sym->dir_dep.expr) + tri = expr_calc_value(sym->dir_dep.expr); + if (tri == mod) + tri = yes; + if (sym->dir_dep.tri != tri) { + sym->dir_dep.tri = tri; + sym_set_changed(sym); + } + tri = no; + if (sym->rev_dep.expr) + tri = expr_calc_value(sym->rev_dep.expr); + if (tri == mod && sym_get_type(sym) == S_BOOLEAN) + tri = yes; + if (sym->rev_dep.tri != tri) { + sym->rev_dep.tri = tri; + sym_set_changed(sym); + } +} + +/* + * Find the default symbol for a choice. + * First try the default values for the choice symbol + * Next locate the first visible choice value + * Return NULL if none was found + */ +struct symbol *sym_choice_default(struct symbol *sym) +{ + struct symbol *def_sym; + struct property *prop; + struct expr *e; + + /* any of the defaults visible? */ + for_all_defaults(sym, prop) { + prop->visible.tri = expr_calc_value(prop->visible.expr); + if (prop->visible.tri == no) + continue; + def_sym = prop_get_symbol(prop); + if (def_sym->visible != no) + return def_sym; + } + + /* just get the first visible value */ + prop = sym_get_choice_prop(sym); + expr_list_for_each_sym(prop->expr, e, def_sym) + if (def_sym->visible != no) + return def_sym; + + /* failed to locate any defaults */ + return NULL; +} + +static struct symbol *sym_calc_choice(struct symbol *sym) +{ + struct symbol *def_sym; + struct property *prop; + struct expr *e; + int flags; + + /* first calculate all choice values' visibilities */ + flags = sym->flags; + prop = sym_get_choice_prop(sym); + expr_list_for_each_sym(prop->expr, e, def_sym) { + sym_calc_visibility(def_sym); + if (def_sym->visible != no) + flags &= def_sym->flags; + } + + sym->flags &= flags | ~SYMBOL_DEF_USER; + + /* is the user choice visible? */ + def_sym = sym->def[S_DEF_USER].val; + if (def_sym && def_sym->visible != no) + return def_sym; + + def_sym = sym_choice_default(sym); + + if (def_sym == NULL) + /* no choice? reset tristate value */ + sym->curr.tri = no; + + return def_sym; +} + +void sym_calc_value(struct symbol *sym) +{ + struct symbol_value newval, oldval; + struct property *prop; + struct expr *e; + + if (!sym) + return; + + if (sym->flags & SYMBOL_VALID) + return; + + if (sym_is_choice_value(sym) && + sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES) { + sym->flags &= ~SYMBOL_NEED_SET_CHOICE_VALUES; + prop = sym_get_choice_prop(sym); + sym_calc_value(prop_get_symbol(prop)); + } + + sym->flags |= SYMBOL_VALID; + + oldval = sym->curr; + + switch (sym->type) { + case S_INT: + case S_HEX: + case S_STRING: + newval = symbol_empty.curr; + break; + case S_BOOLEAN: + case S_TRISTATE: + newval = symbol_no.curr; + break; + default: + sym->curr.val = sym->name; + sym->curr.tri = no; + return; + } + if (!sym_is_choice_value(sym)) + sym->flags &= ~SYMBOL_WRITE; + + sym_calc_visibility(sym); + + /* set default if recursively called */ + sym->curr = newval; + + switch (sym_get_type(sym)) { + case S_BOOLEAN: + case S_TRISTATE: + if (sym_is_choice_value(sym) && sym->visible == yes) { + prop = sym_get_choice_prop(sym); + newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no; + } else { + if (sym->visible != no) { + /* if the symbol is visible use the user value + * if available, otherwise try the default value + */ + sym->flags |= SYMBOL_WRITE; + if (sym_has_value(sym)) { + newval.tri = EXPR_AND(sym->def[S_DEF_USER].tri, + sym->visible); + goto calc_newval; + } + } + if (sym->rev_dep.tri != no) + sym->flags |= SYMBOL_WRITE; + if (!sym_is_choice(sym)) { + prop = sym_get_default_prop(sym); + if (prop) { + sym->flags |= SYMBOL_WRITE; + newval.tri = EXPR_AND(expr_calc_value(prop->expr), + prop->visible.tri); + } + } + calc_newval: + if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) { + struct expr *e; + e = expr_simplify_unmet_dep(sym->rev_dep.expr, + sym->dir_dep.expr); + fprintf(stderr, "warning: ("); + expr_fprint(e, stderr); + fprintf(stderr, ") selects %s which has unmet direct dependencies (", + sym->name); + expr_fprint(sym->dir_dep.expr, stderr); + fprintf(stderr, ")\n"); + expr_free(e); + } + newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri); + } + if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN) + newval.tri = yes; + break; + case S_STRING: + case S_HEX: + case S_INT: + if (sym->visible != no) { + sym->flags |= SYMBOL_WRITE; + if (sym_has_value(sym)) { + newval.val = sym->def[S_DEF_USER].val; + break; + } + } + prop = sym_get_default_prop(sym); + if (prop) { + struct symbol *ds = prop_get_symbol(prop); + if (ds) { + sym->flags |= SYMBOL_WRITE; + sym_calc_value(ds); + newval.val = ds->curr.val; + } + } + break; + default: + ; + } + + sym->curr = newval; + if (sym_is_choice(sym) && newval.tri == yes) + sym->curr.val = sym_calc_choice(sym); + sym_validate_range(sym); + + if (memcmp(&oldval, &sym->curr, sizeof(oldval))) { + sym_set_changed(sym); + if (modules_sym == sym) { + sym_set_all_changed(); + modules_val = modules_sym->curr.tri; + } + } + + if (sym_is_choice(sym)) { + struct symbol *choice_sym; + + prop = sym_get_choice_prop(sym); + expr_list_for_each_sym(prop->expr, e, choice_sym) { + if ((sym->flags & SYMBOL_WRITE) && + choice_sym->visible != no) + choice_sym->flags |= SYMBOL_WRITE; + if (sym->flags & SYMBOL_CHANGED) + sym_set_changed(choice_sym); + } + } + + if (sym->flags & SYMBOL_AUTO) + sym->flags &= ~SYMBOL_WRITE; + + if (sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES) + set_all_choice_values(sym); +} + +void sym_clear_all_valid(void) +{ + struct symbol *sym; + int i; + + for_all_symbols(i, sym) + sym->flags &= ~SYMBOL_VALID; + sym_add_change_count(1); + if (modules_sym) + sym_calc_value(modules_sym); +} + +void sym_set_changed(struct symbol *sym) +{ + struct property *prop; + + sym->flags |= SYMBOL_CHANGED; + for (prop = sym->prop; prop; prop = prop->next) { + if (prop->menu) + prop->menu->flags |= MENU_CHANGED; + } +} + +void sym_set_all_changed(void) +{ + struct symbol *sym; + int i; + + for_all_symbols(i, sym) + sym_set_changed(sym); +} + +bool sym_tristate_within_range(struct symbol *sym, tristate val) +{ + int type = sym_get_type(sym); + + if (sym->visible == no) + return false; + + if (type != S_BOOLEAN && type != S_TRISTATE) + return false; + + if (type == S_BOOLEAN && val == mod) + return false; + if (sym->visible <= sym->rev_dep.tri) + return false; + if (sym_is_choice_value(sym) && sym->visible == yes) + return val == yes; + return val >= sym->rev_dep.tri && val <= sym->visible; +} + +bool sym_set_tristate_value(struct symbol *sym, tristate val) +{ + tristate oldval = sym_get_tristate_value(sym); + + if (oldval != val && !sym_tristate_within_range(sym, val)) + return false; + + if (!(sym->flags & SYMBOL_DEF_USER)) { + sym->flags |= SYMBOL_DEF_USER; + sym_set_changed(sym); + } + /* + * setting a choice value also resets the new flag of the choice + * symbol and all other choice values. + */ + if (sym_is_choice_value(sym) && val == yes) { + struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); + struct property *prop; + struct expr *e; + + cs->def[S_DEF_USER].val = sym; + cs->flags |= SYMBOL_DEF_USER; + prop = sym_get_choice_prop(cs); + for (e = prop->expr; e; e = e->left.expr) { + if (e->right.sym->visible != no) + e->right.sym->flags |= SYMBOL_DEF_USER; + } + } + + sym->def[S_DEF_USER].tri = val; + if (oldval != val) + sym_clear_all_valid(); + + return true; +} + +tristate sym_toggle_tristate_value(struct symbol *sym) +{ + tristate oldval, newval; + + oldval = newval = sym_get_tristate_value(sym); + do { + switch (newval) { + case no: + newval = mod; + break; + case mod: + newval = yes; + break; + case yes: + newval = no; + break; + } + if (sym_set_tristate_value(sym, newval)) + break; + } while (oldval != newval); + return newval; +} + +bool sym_string_valid(struct symbol *sym, const char *str) +{ + signed char ch; + + switch (sym->type) { + case S_STRING: + return true; + case S_INT: + ch = *str++; + if (ch == '-') + ch = *str++; + if (!isdigit(ch)) + return false; + if (ch == '0' && *str != 0) + return false; + while ((ch = *str++)) { + if (!isdigit(ch)) + return false; + } + return true; + case S_HEX: + if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) + str += 2; + ch = *str++; + do { + if (!isxdigit(ch)) + return false; + } while ((ch = *str++)); + return true; + case S_BOOLEAN: + case S_TRISTATE: + switch (str[0]) { + case 'y': case 'Y': + case 'm': case 'M': + case 'n': case 'N': + return true; + } + return false; + default: + return false; + } +} + +bool sym_string_within_range(struct symbol *sym, const char *str) +{ + struct property *prop; + long long val; + + switch (sym->type) { + case S_STRING: + return sym_string_valid(sym, str); + case S_INT: + if (!sym_string_valid(sym, str)) + return false; + prop = sym_get_range_prop(sym); + if (!prop) + return true; + val = strtoll(str, NULL, 10); + return val >= sym_get_range_val(prop->expr->left.sym, 10) && + val <= sym_get_range_val(prop->expr->right.sym, 10); + case S_HEX: + if (!sym_string_valid(sym, str)) + return false; + prop = sym_get_range_prop(sym); + if (!prop) + return true; + val = strtoll(str, NULL, 16); + return val >= sym_get_range_val(prop->expr->left.sym, 16) && + val <= sym_get_range_val(prop->expr->right.sym, 16); + case S_BOOLEAN: + case S_TRISTATE: + switch (str[0]) { + case 'y': case 'Y': + return sym_tristate_within_range(sym, yes); + case 'm': case 'M': + return sym_tristate_within_range(sym, mod); + case 'n': case 'N': + return sym_tristate_within_range(sym, no); + } + return false; + default: + return false; + } +} + +bool sym_set_string_value(struct symbol *sym, const char *newval) +{ + const char *oldval; + char *val; + int size; + + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + switch (newval[0]) { + case 'y': case 'Y': + return sym_set_tristate_value(sym, yes); + case 'm': case 'M': + return sym_set_tristate_value(sym, mod); + case 'n': case 'N': + return sym_set_tristate_value(sym, no); + } + return false; + default: + ; + } + + if (!sym_string_within_range(sym, newval)) + return false; + + if (!(sym->flags & SYMBOL_DEF_USER)) { + sym->flags |= SYMBOL_DEF_USER; + sym_set_changed(sym); + } + + oldval = sym->def[S_DEF_USER].val; + size = strlen(newval) + 1; + if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) { + size += 2; + sym->def[S_DEF_USER].val = val = xmalloc(size); + *val++ = '0'; + *val++ = 'x'; + } else if (!oldval || strcmp(oldval, newval)) + sym->def[S_DEF_USER].val = val = xmalloc(size); + else + return true; + + strcpy(val, newval); + free((void *)oldval); + sym_clear_all_valid(); + + return true; +} + +/* + * Find the default value associated to a symbol. + * For tristate symbol handle the modules=n case + * in which case "m" becomes "y". + * If the symbol does not have any default then fallback + * to the fixed default values. + */ +const char *sym_get_string_default(struct symbol *sym) +{ + struct property *prop; + struct symbol *ds; + const char *str; + tristate val; + + sym_calc_visibility(sym); + sym_calc_value(modules_sym); + val = symbol_no.curr.tri; + str = symbol_empty.curr.val; + + /* If symbol has a default value look it up */ + prop = sym_get_default_prop(sym); + if (prop != NULL) { + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + /* The visibility may limit the value from yes => mod */ + val = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri); + break; + default: + /* + * The following fails to handle the situation + * where a default value is further limited by + * the valid range. + */ + ds = prop_get_symbol(prop); + if (ds != NULL) { + sym_calc_value(ds); + str = (const char *)ds->curr.val; + } + } + } + + /* Handle select statements */ + val = EXPR_OR(val, sym->rev_dep.tri); + + /* transpose mod to yes if modules are not enabled */ + if (val == mod) + if (!sym_is_choice_value(sym) && modules_sym->curr.tri == no) + val = yes; + + /* transpose mod to yes if type is bool */ + if (sym->type == S_BOOLEAN && val == mod) + val = yes; + + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + switch (val) { + case no: return "n"; + case mod: return "m"; + case yes: return "y"; + } + case S_INT: + case S_HEX: + return str; + case S_STRING: + return str; + case S_OTHER: + case S_UNKNOWN: + break; + } + return ""; +} + +const char *sym_get_string_value(struct symbol *sym) +{ + tristate val; + + switch (sym->type) { + case S_BOOLEAN: + case S_TRISTATE: + val = sym_get_tristate_value(sym); + switch (val) { + case no: + return "n"; + case mod: + sym_calc_value(modules_sym); + return (modules_sym->curr.tri == no) ? "n" : "m"; + case yes: + return "y"; + } + break; + default: + ; + } + return (const char *)sym->curr.val; +} + +bool sym_is_changable(struct symbol *sym) +{ + return sym->visible > sym->rev_dep.tri; +} + +static unsigned strhash(const char *s) +{ + /* fnv32 hash */ + unsigned hash = 2166136261U; + for (; *s; s++) + hash = (hash ^ *s) * 0x01000193; + return hash; +} + +struct symbol *sym_lookup(const char *name, int flags) +{ + struct symbol *symbol; + char *new_name; + int hash; + + if (name) { + if (name[0] && !name[1]) { + switch (name[0]) { + case 'y': return &symbol_yes; + case 'm': return &symbol_mod; + case 'n': return &symbol_no; + } + } + hash = strhash(name) % SYMBOL_HASHSIZE; + + for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { + if (symbol->name && + !strcmp(symbol->name, name) && + (flags ? symbol->flags & flags + : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE)))) + return symbol; + } + new_name = strdup(name); + } else { + new_name = NULL; + hash = 0; + } + + symbol = xmalloc(sizeof(*symbol)); + memset(symbol, 0, sizeof(*symbol)); + symbol->name = new_name; + symbol->type = S_UNKNOWN; + symbol->flags |= flags; + + symbol->next = symbol_hash[hash]; + symbol_hash[hash] = symbol; + + return symbol; +} + +struct symbol *sym_find(const char *name) +{ + struct symbol *symbol = NULL; + int hash = 0; + + if (!name) + return NULL; + + if (name[0] && !name[1]) { + switch (name[0]) { + case 'y': return &symbol_yes; + case 'm': return &symbol_mod; + case 'n': return &symbol_no; + } + } + hash = strhash(name) % SYMBOL_HASHSIZE; + + for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { + if (symbol->name && + !strcmp(symbol->name, name) && + !(symbol->flags & SYMBOL_CONST)) + break; + } + + return symbol; +} + +/* + * Expand symbol's names embedded in the string given in argument. Symbols' + * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to + * the empty string. + */ +const char *sym_expand_string_value(const char *in) +{ + const char *src; + char *res; + size_t reslen; + + reslen = strlen(in) + 1; + res = xmalloc(reslen); + res[0] = '\0'; + + while ((src = strchr(in, '$'))) { + char *p, name[SYMBOL_MAXLENGTH]; + const char *symval = ""; + struct symbol *sym; + size_t newlen; + + strncat(res, in, src - in); + src++; + + p = name; + while (isalnum(*src) || *src == '_') + *p++ = *src++; + *p = '\0'; + + sym = sym_find(name); + if (sym != NULL) { + sym_calc_value(sym); + symval = sym_get_string_value(sym); + } + + newlen = strlen(res) + strlen(symval) + strlen(src) + 1; + if (newlen > reslen) { + reslen = newlen; + res = realloc(res, reslen); + } + + strcat(res, symval); + in = src; + } + strcat(res, in); + + return res; +} + +const char *sym_escape_string_value(const char *in) +{ + const char *p; + size_t reslen; + char *res; + size_t l; + + reslen = strlen(in) + strlen("\"\"") + 1; + + p = in; + for (;;) { + l = strcspn(p, "\"\\"); + p += l; + + if (p[0] == '\0') + break; + + reslen++; + p++; + } + + res = xmalloc(reslen); + res[0] = '\0'; + + strcat(res, "\""); + + p = in; + for (;;) { + l = strcspn(p, "\"\\"); + strncat(res, p, l); + p += l; + + if (p[0] == '\0') + break; + + strcat(res, "\\"); + strncat(res, p++, 1); + } + + strcat(res, "\""); + return res; +} + +struct sym_match { + struct symbol *sym; + off_t so, eo; +}; + +/* Compare matched symbols as thus: + * - first, symbols that match exactly + * - then, alphabetical sort + */ +static int sym_rel_comp(const void *sym1, const void *sym2) +{ + const struct sym_match *s1 = sym1; + const struct sym_match *s2 = sym2; + int exact1, exact2; + + /* Exact match: + * - if matched length on symbol s1 is the length of that symbol, + * then this symbol should come first; + * - if matched length on symbol s2 is the length of that symbol, + * then this symbol should come first. + * Note: since the search can be a regexp, both symbols may match + * exactly; if this is the case, we can't decide which comes first, + * and we fallback to sorting alphabetically. + */ + exact1 = (s1->eo - s1->so) == strlen(s1->sym->name); + exact2 = (s2->eo - s2->so) == strlen(s2->sym->name); + if (exact1 && !exact2) + return -1; + if (!exact1 && exact2) + return 1; + + /* As a fallback, sort symbols alphabetically */ + return strcmp(s1->sym->name, s2->sym->name); +} + +struct symbol **sym_re_search(const char *pattern) +{ + struct symbol *sym, **sym_arr = NULL; + struct sym_match *sym_match_arr = NULL; + int i, cnt, size; + regex_t re; + regmatch_t match[1]; + + cnt = size = 0; + /* Skip if empty */ + if (strlen(pattern) == 0) + return NULL; + if (regcomp(&re, pattern, REG_EXTENDED|REG_ICASE)) + return NULL; + + for_all_symbols(i, sym) { + if (sym->flags & SYMBOL_CONST || !sym->name) + continue; + if (regexec(&re, sym->name, 1, match, 0)) + continue; + if (cnt >= size) { + void *tmp; + size += 16; + tmp = realloc(sym_match_arr, size * sizeof(struct sym_match)); + if (!tmp) + goto sym_re_search_free; + sym_match_arr = tmp; + } + sym_calc_value(sym); + /* As regexec returned 0, we know we have a match, so + * we can use match[0].rm_[se]o without further checks + */ + sym_match_arr[cnt].so = match[0].rm_so; + sym_match_arr[cnt].eo = match[0].rm_eo; + sym_match_arr[cnt++].sym = sym; + } + if (sym_match_arr) { + qsort(sym_match_arr, cnt, sizeof(struct sym_match), sym_rel_comp); + sym_arr = malloc((cnt+1) * sizeof(struct symbol)); + if (!sym_arr) + goto sym_re_search_free; + for (i = 0; i < cnt; i++) + sym_arr[i] = sym_match_arr[i].sym; + sym_arr[cnt] = NULL; + } +sym_re_search_free: + /* sym_match_arr can be NULL if no match, but free(NULL) is OK */ + free(sym_match_arr); + regfree(&re); + + return sym_arr; +} + +/* + * When we check for recursive dependencies we use a stack to save + * current state so we can print out relevant info to user. + * The entries are located on the call stack so no need to free memory. + * Note insert() remove() must always match to properly clear the stack. + */ +static struct dep_stack { + struct dep_stack *prev, *next; + struct symbol *sym; + struct property *prop; + struct expr *expr; +} *check_top; + +static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym) +{ + memset(stack, 0, sizeof(*stack)); + if (check_top) + check_top->next = stack; + stack->prev = check_top; + stack->sym = sym; + check_top = stack; +} + +static void dep_stack_remove(void) +{ + check_top = check_top->prev; + if (check_top) + check_top->next = NULL; +} + +/* + * Called when we have detected a recursive dependency. + * check_top point to the top of the stact so we use + * the ->prev pointer to locate the bottom of the stack. + */ +static void sym_check_print_recursive(struct symbol *last_sym) +{ + struct dep_stack *stack; + struct symbol *sym, *next_sym; + struct menu *menu = NULL; + struct property *prop; + struct dep_stack cv_stack; + + if (sym_is_choice_value(last_sym)) { + dep_stack_insert(&cv_stack, last_sym); + last_sym = prop_get_symbol(sym_get_choice_prop(last_sym)); + } + + for (stack = check_top; stack != NULL; stack = stack->prev) + if (stack->sym == last_sym) + break; + if (!stack) { + fprintf(stderr, "unexpected recursive dependency error\n"); + return; + } + + for (; stack; stack = stack->next) { + sym = stack->sym; + next_sym = stack->next ? stack->next->sym : last_sym; + prop = stack->prop; + if (prop == NULL) + prop = stack->sym->prop; + + /* for choice values find the menu entry (used below) */ + if (sym_is_choice(sym) || sym_is_choice_value(sym)) { + for (prop = sym->prop; prop; prop = prop->next) { + menu = prop->menu; + if (prop->menu) + break; + } + } + if (stack->sym == last_sym) + fprintf(stderr, "%s:%d:error: recursive dependency detected!\n", + prop->file->name, prop->lineno); + if (stack->expr) { + fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n", + prop->file->name, prop->lineno, + sym->name ? sym->name : "", + prop_get_type_name(prop->type), + next_sym->name ? next_sym->name : ""); + } else if (stack->prop) { + fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n", + prop->file->name, prop->lineno, + sym->name ? sym->name : "", + next_sym->name ? next_sym->name : ""); + } else if (sym_is_choice(sym)) { + fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n", + menu->file->name, menu->lineno, + sym->name ? sym->name : "", + next_sym->name ? next_sym->name : ""); + } else if (sym_is_choice_value(sym)) { + fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n", + menu->file->name, menu->lineno, + sym->name ? sym->name : "", + next_sym->name ? next_sym->name : ""); + } else { + fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n", + prop->file->name, prop->lineno, + sym->name ? sym->name : "", + next_sym->name ? next_sym->name : ""); + } + } + + if (check_top == &cv_stack) + dep_stack_remove(); +} + +static struct symbol *sym_check_expr_deps(struct expr *e) +{ + struct symbol *sym; + + if (!e) + return NULL; + switch (e->type) { + case E_OR: + case E_AND: + sym = sym_check_expr_deps(e->left.expr); + if (sym) + return sym; + return sym_check_expr_deps(e->right.expr); + case E_NOT: + return sym_check_expr_deps(e->left.expr); + case E_EQUAL: + case E_UNEQUAL: + sym = sym_check_deps(e->left.sym); + if (sym) + return sym; + return sym_check_deps(e->right.sym); + case E_SYMBOL: + return sym_check_deps(e->left.sym); + default: + break; + } + printf("Oops! How to check %d?\n", e->type); + return NULL; +} + +/* return NULL when dependencies are OK */ +static struct symbol *sym_check_sym_deps(struct symbol *sym) +{ + struct symbol *sym2; + struct property *prop; + struct dep_stack stack; + + dep_stack_insert(&stack, sym); + + sym2 = sym_check_expr_deps(sym->rev_dep.expr); + if (sym2) + goto out; + + for (prop = sym->prop; prop; prop = prop->next) { + if (prop->type == P_CHOICE || prop->type == P_SELECT) + continue; + stack.prop = prop; + sym2 = sym_check_expr_deps(prop->visible.expr); + if (sym2) + break; + if (prop->type != P_DEFAULT || sym_is_choice(sym)) + continue; + stack.expr = prop->expr; + sym2 = sym_check_expr_deps(prop->expr); + if (sym2) + break; + stack.expr = NULL; + } + +out: + dep_stack_remove(); + + return sym2; +} + +static struct symbol *sym_check_choice_deps(struct symbol *choice) +{ + struct symbol *sym, *sym2; + struct property *prop; + struct expr *e; + struct dep_stack stack; + + dep_stack_insert(&stack, choice); + + prop = sym_get_choice_prop(choice); + expr_list_for_each_sym(prop->expr, e, sym) + sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); + + choice->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); + sym2 = sym_check_sym_deps(choice); + choice->flags &= ~SYMBOL_CHECK; + if (sym2) + goto out; + + expr_list_for_each_sym(prop->expr, e, sym) { + sym2 = sym_check_sym_deps(sym); + if (sym2) + break; + } +out: + expr_list_for_each_sym(prop->expr, e, sym) + sym->flags &= ~SYMBOL_CHECK; + + if (sym2 && sym_is_choice_value(sym2) && + prop_get_symbol(sym_get_choice_prop(sym2)) == choice) + sym2 = choice; + + dep_stack_remove(); + + return sym2; +} + +struct symbol *sym_check_deps(struct symbol *sym) +{ + struct symbol *sym2; + struct property *prop; + + if (sym->flags & SYMBOL_CHECK) { + sym_check_print_recursive(sym); + return sym; + } + if (sym->flags & SYMBOL_CHECKED) + return NULL; + + if (sym_is_choice_value(sym)) { + struct dep_stack stack; + + /* for choice groups start the check with main choice symbol */ + dep_stack_insert(&stack, sym); + prop = sym_get_choice_prop(sym); + sym2 = sym_check_deps(prop_get_symbol(prop)); + dep_stack_remove(); + } else if (sym_is_choice(sym)) { + sym2 = sym_check_choice_deps(sym); + } else { + sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); + sym2 = sym_check_sym_deps(sym); + sym->flags &= ~SYMBOL_CHECK; + } + + if (sym2 && sym2 == sym) + sym2 = NULL; + + return sym2; +} + +struct property *prop_alloc(enum prop_type type, struct symbol *sym) +{ + struct property *prop; + struct property **propp; + + prop = xmalloc(sizeof(*prop)); + memset(prop, 0, sizeof(*prop)); + prop->type = type; + prop->sym = sym; + prop->file = current_file; + prop->lineno = zconf_lineno(); + + /* append property to the prop list of symbol */ + if (sym) { + for (propp = &sym->prop; *propp; propp = &(*propp)->next) + ; + *propp = prop; + } + + return prop; +} + +struct symbol *prop_get_symbol(struct property *prop) +{ + if (prop->expr && (prop->expr->type == E_SYMBOL || + prop->expr->type == E_LIST)) + return prop->expr->left.sym; + return NULL; +} + +const char *prop_get_type_name(enum prop_type type) +{ + switch (type) { + case P_PROMPT: + return "prompt"; + case P_ENV: + return "env"; + case P_COMMENT: + return "comment"; + case P_MENU: + return "menu"; + case P_DEFAULT: + return "default"; + case P_CHOICE: + return "choice"; + case P_SELECT: + return "select"; + case P_RANGE: + return "range"; + case P_SYMBOL: + return "symbol"; + case P_UNKNOWN: + break; + } + return "unknown"; +} + +static void prop_add_env(const char *env) +{ + struct symbol *sym, *sym2; + struct property *prop; + char *p; + + sym = current_entry->sym; + sym->flags |= SYMBOL_AUTO; + for_all_properties(sym, prop, P_ENV) { + sym2 = prop_get_symbol(prop); + if (strcmp(sym2->name, env)) + menu_warn(current_entry, "redefining environment symbol from %s", + sym2->name); + return; + } + + prop = prop_alloc(P_ENV, sym); + prop->expr = expr_alloc_symbol(sym_lookup(env, SYMBOL_CONST)); + + sym_env_list = expr_alloc_one(E_LIST, sym_env_list); + sym_env_list->right.sym = sym; + + p = getenv(env); + if (p) + sym_add_default(sym, p); + else + menu_warn(current_entry, "environment variable %s undefined", env); +} diff --git a/programs/src/kconfig_parser/kconfig/util.c b/programs/src/kconfig_parser/kconfig/util.c new file mode 100644 index 0000000..94f9c83 --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/util.c @@ -0,0 +1,157 @@ +/* + * Copyright (C) 2002-2005 Roman Zippel + * Copyright (C) 2002-2005 Sam Ravnborg + * + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include "lkc.h" + +/* file already present in list? If not add it */ +struct file *file_lookup(const char *name) +{ + struct file *file; + const char *file_name = sym_expand_string_value(name); + + for (file = file_list; file; file = file->next) { + if (!strcmp(name, file->name)) { + free((void *)file_name); + return file; + } + } + + file = xmalloc(sizeof(*file)); + memset(file, 0, sizeof(*file)); + file->name = file_name; + file->next = file_list; + file_list = file; + return file; +} + +/* write a dependency file as used by kbuild to track dependencies */ +int file_write_dep(const char *name) +{ + struct symbol *sym, *env_sym; + struct expr *e; + struct file *file; + FILE *out; + + if (!name) + name = ".kconfig.d"; + out = fopen("..config.tmp", "w"); + if (!out) + return 1; + fprintf(out, "deps_config := \\\n"); + for (file = file_list; file; file = file->next) { + if (file->next) + fprintf(out, "\t%s \\\n", file->name); + else + fprintf(out, "\t%s\n", file->name); + } + fprintf(out, "\n%s: \\\n" + "\t$(deps_config)\n\n", conf_get_autoconfig_name()); + + expr_list_for_each_sym(sym_env_list, e, sym) { + struct property *prop; + const char *value; + + prop = sym_get_env_prop(sym); + env_sym = prop_get_symbol(prop); + if (!env_sym) + continue; + value = getenv(env_sym->name); + if (!value) + value = ""; + fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value); + fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name()); + fprintf(out, "endif\n"); + } + + fprintf(out, "\n$(deps_config): ;\n"); + fclose(out); + rename("..config.tmp", name); + return 0; +} + + +/* Allocate initial growable string */ +struct gstr str_new(void) +{ + struct gstr gs; + gs.s = xmalloc(sizeof(char) * 64); + gs.len = 64; + gs.max_width = 0; + strcpy(gs.s, "\0"); + return gs; +} + +/* Allocate and assign growable string */ +struct gstr str_assign(const char *s) +{ + struct gstr gs; + gs.s = strdup(s); + gs.len = strlen(s) + 1; + gs.max_width = 0; + return gs; +} + +/* Free storage for growable string */ +void str_free(struct gstr *gs) +{ + if (gs->s) + free(gs->s); + gs->s = NULL; + gs->len = 0; +} + +/* Append to growable string */ +void str_append(struct gstr *gs, const char *s) +{ + size_t l; + if (s) { + l = strlen(gs->s) + strlen(s) + 1; + if (l > gs->len) { + gs->s = realloc(gs->s, l); + gs->len = l; + } + strcat(gs->s, s); + } +} + +/* Append printf formatted string to growable string */ +void str_printf(struct gstr *gs, const char *fmt, ...) +{ + va_list ap; + char s[10000]; /* big enough... */ + va_start(ap, fmt); + vsnprintf(s, sizeof(s), fmt, ap); + str_append(gs, s); + va_end(ap); +} + +/* Retrieve value of growable string */ +const char *str_get(struct gstr *gs) +{ + return gs->s; +} + +void *xmalloc(size_t size) +{ + void *p = malloc(size); + if (p) + return p; + fprintf(stderr, "Out of memory.\n"); + exit(1); +} + +void *xcalloc(size_t nmemb, size_t size) +{ + void *p = calloc(nmemb, size); + if (p) + return p; + fprintf(stderr, "Out of memory.\n"); + exit(1); +} diff --git a/programs/src/kconfig_parser/kconfig/zconf.gperf b/programs/src/kconfig_parser/kconfig/zconf.gperf new file mode 100644 index 0000000..b6ac02d --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/zconf.gperf @@ -0,0 +1,48 @@ +%language=ANSI-C +%define hash-function-name kconf_id_hash +%define lookup-function-name kconf_id_lookup +%define string-pool-name kconf_id_strings +%compare-strncmp +%enum +%pic +%struct-type + +struct kconf_id; + +static const struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len); + +%% +mainmenu, T_MAINMENU, TF_COMMAND +menu, T_MENU, TF_COMMAND +endmenu, T_ENDMENU, TF_COMMAND +source, T_SOURCE, TF_COMMAND +choice, T_CHOICE, TF_COMMAND +endchoice, T_ENDCHOICE, TF_COMMAND +comment, T_COMMENT, TF_COMMAND +config, T_CONFIG, TF_COMMAND +menuconfig, T_MENUCONFIG, TF_COMMAND +help, T_HELP, TF_COMMAND +if, T_IF, TF_COMMAND|TF_PARAM +endif, T_ENDIF, TF_COMMAND +depends, T_DEPENDS, TF_COMMAND +optional, T_OPTIONAL, TF_COMMAND +default, T_DEFAULT, TF_COMMAND, S_UNKNOWN +prompt, T_PROMPT, TF_COMMAND +tristate, T_TYPE, TF_COMMAND, S_TRISTATE +def_tristate, T_DEFAULT, TF_COMMAND, S_TRISTATE +bool, T_TYPE, TF_COMMAND, S_BOOLEAN +boolean, T_TYPE, TF_COMMAND, S_BOOLEAN +def_bool, T_DEFAULT, TF_COMMAND, S_BOOLEAN +int, T_TYPE, TF_COMMAND, S_INT +hex, T_TYPE, TF_COMMAND, S_HEX +string, T_TYPE, TF_COMMAND, S_STRING +select, T_SELECT, TF_COMMAND +range, T_RANGE, TF_COMMAND +visible, T_VISIBLE, TF_COMMAND +option, T_OPTION, TF_COMMAND +on, T_ON, TF_PARAM +modules, T_OPT_MODULES, TF_OPTION +defconfig_list, T_OPT_DEFCONFIG_LIST,TF_OPTION +env, T_OPT_ENV, TF_OPTION +allnoconfig_y, T_OPT_ALLNOCONFIG_Y,TF_OPTION +%% diff --git a/programs/src/kconfig_parser/kconfig/zconf.hash.c b/programs/src/kconfig_parser/kconfig/zconf.hash.c new file mode 100644 index 0000000..b8c1dfb --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/zconf.hash.c @@ -0,0 +1,289 @@ +/* ANSI-C code produced by gperf version 3.0.4 */ +/* Command-line: gperf -t --output-file kconfig/zconf.hash.c -a -C -E -g -k '1,3,$' -p -t kconfig/zconf.gperf */ + +#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \ + && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \ + && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \ + && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \ + && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \ + && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \ + && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \ + && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \ + && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \ + && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \ + && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \ + && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \ + && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \ + && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \ + && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \ + && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \ + && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \ + && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \ + && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \ + && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \ + && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \ + && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \ + && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126)) +/* The character set is not based on ISO-646. */ +#error "gperf generated tables don't work with this execution character set. Please report a bug to ." +#endif + +#line 10 "kconfig/zconf.gperf" +struct kconf_id; + +static const struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len); +/* maximum key range = 71, duplicates = 0 */ + +#ifdef __GNUC__ +__inline +#else +#ifdef __cplusplus +inline +#endif +#endif +static unsigned int +kconf_id_hash (register const char *str, register unsigned int len) +{ + static const unsigned char asso_values[] = + { + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 5, 25, 25, + 0, 0, 0, 5, 0, 0, 73, 73, 5, 0, + 10, 5, 45, 73, 20, 20, 0, 15, 15, 73, + 20, 5, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73, 73, 73, 73, 73, + 73, 73, 73, 73, 73, 73 + }; + register int hval = len; + + switch (hval) + { + default: + hval += asso_values[(unsigned char)str[2]]; + /*FALLTHROUGH*/ + case 2: + case 1: + hval += asso_values[(unsigned char)str[0]]; + break; + } + return hval + asso_values[(unsigned char)str[len - 1]]; +} + +struct kconf_id_strings_t + { + char kconf_id_strings_str2[sizeof("if")]; + char kconf_id_strings_str3[sizeof("int")]; + char kconf_id_strings_str5[sizeof("endif")]; + char kconf_id_strings_str7[sizeof("default")]; + char kconf_id_strings_str8[sizeof("tristate")]; + char kconf_id_strings_str9[sizeof("endchoice")]; + char kconf_id_strings_str12[sizeof("def_tristate")]; + char kconf_id_strings_str13[sizeof("def_bool")]; + char kconf_id_strings_str14[sizeof("defconfig_list")]; + char kconf_id_strings_str17[sizeof("on")]; + char kconf_id_strings_str18[sizeof("optional")]; + char kconf_id_strings_str21[sizeof("option")]; + char kconf_id_strings_str22[sizeof("endmenu")]; + char kconf_id_strings_str23[sizeof("mainmenu")]; + char kconf_id_strings_str25[sizeof("menuconfig")]; + char kconf_id_strings_str27[sizeof("modules")]; + char kconf_id_strings_str28[sizeof("allnoconfig_y")]; + char kconf_id_strings_str29[sizeof("menu")]; + char kconf_id_strings_str31[sizeof("select")]; + char kconf_id_strings_str32[sizeof("comment")]; + char kconf_id_strings_str33[sizeof("env")]; + char kconf_id_strings_str35[sizeof("range")]; + char kconf_id_strings_str36[sizeof("choice")]; + char kconf_id_strings_str39[sizeof("bool")]; + char kconf_id_strings_str41[sizeof("source")]; + char kconf_id_strings_str42[sizeof("visible")]; + char kconf_id_strings_str43[sizeof("hex")]; + char kconf_id_strings_str46[sizeof("config")]; + char kconf_id_strings_str47[sizeof("boolean")]; + char kconf_id_strings_str51[sizeof("string")]; + char kconf_id_strings_str54[sizeof("help")]; + char kconf_id_strings_str56[sizeof("prompt")]; + char kconf_id_strings_str72[sizeof("depends")]; + }; +static const struct kconf_id_strings_t kconf_id_strings_contents = + { + "if", + "int", + "endif", + "default", + "tristate", + "endchoice", + "def_tristate", + "def_bool", + "defconfig_list", + "on", + "optional", + "option", + "endmenu", + "mainmenu", + "menuconfig", + "modules", + "allnoconfig_y", + "menu", + "select", + "comment", + "env", + "range", + "choice", + "bool", + "source", + "visible", + "hex", + "config", + "boolean", + "string", + "help", + "prompt", + "depends" + }; +#define kconf_id_strings ((const char *) &kconf_id_strings_contents) +#ifdef __GNUC__ +__inline +#if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__ +__attribute__ ((__gnu_inline__)) +#endif +#endif +const struct kconf_id * +kconf_id_lookup (register const char *str, register unsigned int len) +{ + enum + { + TOTAL_KEYWORDS = 33, + MIN_WORD_LENGTH = 2, + MAX_WORD_LENGTH = 14, + MIN_HASH_VALUE = 2, + MAX_HASH_VALUE = 72 + }; + + static const struct kconf_id wordlist[] = + { + {-1}, {-1}, +#line 25 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str2, T_IF, TF_COMMAND|TF_PARAM}, +#line 36 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str3, T_TYPE, TF_COMMAND, S_INT}, + {-1}, +#line 26 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str5, T_ENDIF, TF_COMMAND}, + {-1}, +#line 29 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str7, T_DEFAULT, TF_COMMAND, S_UNKNOWN}, +#line 31 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str8, T_TYPE, TF_COMMAND, S_TRISTATE}, +#line 20 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str9, T_ENDCHOICE, TF_COMMAND}, + {-1}, {-1}, +#line 32 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12, T_DEFAULT, TF_COMMAND, S_TRISTATE}, +#line 35 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13, T_DEFAULT, TF_COMMAND, S_BOOLEAN}, +#line 45 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14, T_OPT_DEFCONFIG_LIST,TF_OPTION}, + {-1}, {-1}, +#line 43 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17, T_ON, TF_PARAM}, +#line 28 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18, T_OPTIONAL, TF_COMMAND}, + {-1}, {-1}, +#line 42 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21, T_OPTION, TF_COMMAND}, +#line 17 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22, T_ENDMENU, TF_COMMAND}, +#line 15 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23, T_MAINMENU, TF_COMMAND}, + {-1}, +#line 23 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str25, T_MENUCONFIG, TF_COMMAND}, + {-1}, +#line 44 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27, T_OPT_MODULES, TF_OPTION}, +#line 47 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28, T_OPT_ALLNOCONFIG_Y,TF_OPTION}, +#line 16 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29, T_MENU, TF_COMMAND}, + {-1}, +#line 39 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31, T_SELECT, TF_COMMAND}, +#line 21 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32, T_COMMENT, TF_COMMAND}, +#line 46 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33, T_OPT_ENV, TF_OPTION}, + {-1}, +#line 40 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str35, T_RANGE, TF_COMMAND}, +#line 19 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36, T_CHOICE, TF_COMMAND}, + {-1}, {-1}, +#line 33 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str39, T_TYPE, TF_COMMAND, S_BOOLEAN}, + {-1}, +#line 18 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41, T_SOURCE, TF_COMMAND}, +#line 41 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str42, T_VISIBLE, TF_COMMAND}, +#line 37 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str43, T_TYPE, TF_COMMAND, S_HEX}, + {-1}, {-1}, +#line 22 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str46, T_CONFIG, TF_COMMAND}, +#line 34 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str47, T_TYPE, TF_COMMAND, S_BOOLEAN}, + {-1}, {-1}, {-1}, +#line 38 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str51, T_TYPE, TF_COMMAND, S_STRING}, + {-1}, {-1}, +#line 24 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str54, T_HELP, TF_COMMAND}, + {-1}, +#line 30 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str56, T_PROMPT, TF_COMMAND}, + {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, + {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, +#line 27 "kconfig/zconf.gperf" + {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str72, T_DEPENDS, TF_COMMAND} + }; + + if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH) + { + register int key = kconf_id_hash (str, len); + + if (key <= MAX_HASH_VALUE && key >= 0) + { + register int o = wordlist[key].name; + if (o >= 0) + { + register const char *s = o + kconf_id_strings; + + if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0') + return &wordlist[key]; + } + } + } + return 0; +} +#line 48 "kconfig/zconf.gperf" + diff --git a/programs/src/kconfig_parser/kconfig/zconf.l b/programs/src/kconfig_parser/kconfig/zconf.l new file mode 100644 index 0000000..6c62d93 --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/zconf.l @@ -0,0 +1,363 @@ +%option nostdinit noyywrap never-interactive full ecs +%option 8bit nodefault perf-report perf-report +%option noinput +%x COMMAND HELP STRING PARAM +%{ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include +#include + +#include "lkc.h" + +#define START_STRSIZE 16 + +static struct { + struct file *file; + int lineno; +} current_pos; + +static char *text; +static int text_size, text_asize; + +struct buffer { + struct buffer *parent; + YY_BUFFER_STATE state; +}; + +struct buffer *current_buf; + +static int last_ts, first_ts; + +static void zconf_endhelp(void); +static void zconf_endfile(void); + +static void new_string(void) +{ + text = xmalloc(START_STRSIZE); + text_asize = START_STRSIZE; + text_size = 0; + *text = 0; +} + +static void append_string(const char *str, int size) +{ + int new_size = text_size + size + 1; + if (new_size > text_asize) { + new_size += START_STRSIZE - 1; + new_size &= -START_STRSIZE; + text = realloc(text, new_size); + text_asize = new_size; + } + memcpy(text + text_size, str, size); + text_size += size; + text[text_size] = 0; +} + +static void alloc_string(const char *str, int size) +{ + text = xmalloc(size + 1); + memcpy(text, str, size); + text[size] = 0; +} +%} + +n [A-Za-z0-9_] + +%% + int str = 0; + int ts, i; + +[ \t]*#.*\n | +[ \t]*\n { + current_file->lineno++; + return T_EOL; +} +[ \t]*#.* + + +[ \t]+ { + BEGIN(COMMAND); +} + +. { + unput(yytext[0]); + BEGIN(COMMAND); +} + + +{ + {n}+ { + const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); + BEGIN(PARAM); + current_pos.file = current_file; + current_pos.lineno = current_file->lineno; + if (id && id->flags & TF_COMMAND) { + zconflval.id = id; + return id->token; + } + alloc_string(yytext, yyleng); + zconflval.string = text; + return T_WORD; + } + . + \n { + BEGIN(INITIAL); + current_file->lineno++; + return T_EOL; + } +} + +{ + "&&" return T_AND; + "||" return T_OR; + "(" return T_OPEN_PAREN; + ")" return T_CLOSE_PAREN; + "!" return T_NOT; + "=" return T_EQUAL; + "!=" return T_UNEQUAL; + \"|\' { + str = yytext[0]; + new_string(); + BEGIN(STRING); + } + \n BEGIN(INITIAL); current_file->lineno++; return T_EOL; + --- /* ignore */ + ({n}|[-/.])+ { + const struct kconf_id *id = kconf_id_lookup(yytext, yyleng); + if (id && id->flags & TF_PARAM) { + zconflval.id = id; + return id->token; + } + alloc_string(yytext, yyleng); + zconflval.string = text; + return T_WORD; + } + #.* /* comment */ + \\\n current_file->lineno++; + . + <> { + BEGIN(INITIAL); + } +} + +{ + [^'"\\\n]+/\n { + append_string(yytext, yyleng); + zconflval.string = text; + return T_WORD_QUOTE; + } + [^'"\\\n]+ { + append_string(yytext, yyleng); + } + \\.?/\n { + append_string(yytext + 1, yyleng - 1); + zconflval.string = text; + return T_WORD_QUOTE; + } + \\.? { + append_string(yytext + 1, yyleng - 1); + } + \'|\" { + if (str == yytext[0]) { + BEGIN(PARAM); + zconflval.string = text; + return T_WORD_QUOTE; + } else + append_string(yytext, 1); + } + \n { + printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); + current_file->lineno++; + BEGIN(INITIAL); + return T_EOL; + } + <> { + BEGIN(INITIAL); + } +} + +{ + [ \t]+ { + ts = 0; + for (i = 0; i < yyleng; i++) { + if (yytext[i] == '\t') + ts = (ts & ~7) + 8; + else + ts++; + } + last_ts = ts; + if (first_ts) { + if (ts < first_ts) { + zconf_endhelp(); + return T_HELPTEXT; + } + ts -= first_ts; + while (ts > 8) { + append_string(" ", 8); + ts -= 8; + } + append_string(" ", ts); + } + } + [ \t]*\n/[^ \t\n] { + current_file->lineno++; + zconf_endhelp(); + return T_HELPTEXT; + } + [ \t]*\n { + current_file->lineno++; + append_string("\n", 1); + } + [^ \t\n].* { + while (yyleng) { + if ((yytext[yyleng-1] != ' ') && (yytext[yyleng-1] != '\t')) + break; + yyleng--; + } + append_string(yytext, yyleng); + if (!first_ts) + first_ts = last_ts; + } + <> { + zconf_endhelp(); + return T_HELPTEXT; + } +} + +<> { + if (current_file) { + zconf_endfile(); + return T_EOL; + } + fclose(yyin); + yyterminate(); +} + +%% +void zconf_starthelp(void) +{ + new_string(); + last_ts = first_ts = 0; + BEGIN(HELP); +} + +static void zconf_endhelp(void) +{ + zconflval.string = text; + BEGIN(INITIAL); +} + + +/* + * Try to open specified file with following names: + * ./name + * $(srctree)/name + * The latter is used when srctree is separate from objtree + * when compiling the kernel. + * Return NULL if file is not found. + */ +FILE *zconf_fopen(const char *name) +{ + char *env, fullname[PATH_MAX+1]; + FILE *f; + + f = fopen(name, "r"); + if (!f && name != NULL && name[0] != '/') { + env = getenv(SRCTREE); + if (env) { + sprintf(fullname, "%s/%s", env, name); + f = fopen(fullname, "r"); + } + } + return f; +} + +void zconf_initscan(const char *name) +{ + yyin = zconf_fopen(name); + if (!yyin) { + printf("can't find file %s\n", name); + exit(1); + } + + current_buf = xmalloc(sizeof(*current_buf)); + memset(current_buf, 0, sizeof(*current_buf)); + + current_file = file_lookup(name); + current_file->lineno = 1; +} + +void zconf_nextfile(const char *name) +{ + struct file *iter; + struct file *file = file_lookup(name); + struct buffer *buf = xmalloc(sizeof(*buf)); + memset(buf, 0, sizeof(*buf)); + + current_buf->state = YY_CURRENT_BUFFER; + yyin = zconf_fopen(file->name); + if (!yyin) { + printf("%s:%d: can't open file \"%s\"\n", + zconf_curname(), zconf_lineno(), file->name); + exit(1); + } + yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); + buf->parent = current_buf; + current_buf = buf; + + for (iter = current_file->parent; iter; iter = iter->parent ) { + if (!strcmp(current_file->name,iter->name) ) { + printf("%s:%d: recursive inclusion detected. " + "Inclusion path:\n current file : '%s'\n", + zconf_curname(), zconf_lineno(), + zconf_curname()); + iter = current_file->parent; + while (iter && \ + strcmp(iter->name,current_file->name)) { + printf(" included from: '%s:%d'\n", + iter->name, iter->lineno-1); + iter = iter->parent; + } + if (iter) + printf(" included from: '%s:%d'\n", + iter->name, iter->lineno+1); + exit(1); + } + } + file->lineno = 1; + file->parent = current_file; + current_file = file; +} + +static void zconf_endfile(void) +{ + struct buffer *parent; + + current_file = current_file->parent; + + parent = current_buf->parent; + if (parent) { + fclose(yyin); + yy_delete_buffer(YY_CURRENT_BUFFER); + yy_switch_to_buffer(parent->state); + } + free(current_buf); + current_buf = parent; +} + +int zconf_lineno(void) +{ + return current_pos.lineno; +} + +const char *zconf_curname(void) +{ + return current_pos.file ? current_pos.file->name : ""; +} diff --git a/programs/src/kconfig_parser/kconfig/zconf.lex.c b/programs/src/kconfig_parser/kconfig/zconf.lex.c new file mode 100644 index 0000000..e3b33bd --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/zconf.lex.c @@ -0,0 +1,2421 @@ + +#line 3 "kconfig/zconf.lex.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define yy_create_buffer zconf_create_buffer +#define yy_delete_buffer zconf_delete_buffer +#define yy_flex_debug zconf_flex_debug +#define yy_init_buffer zconf_init_buffer +#define yy_flush_buffer zconf_flush_buffer +#define yy_load_buffer_state zconf_load_buffer_state +#define yy_switch_to_buffer zconf_switch_to_buffer +#define yyin zconfin +#define yyleng zconfleng +#define yylex zconflex +#define yylineno zconflineno +#define yyout zconfout +#define yyrestart zconfrestart +#define yytext zconftext +#define yywrap zconfwrap +#define yyalloc zconfalloc +#define yyrealloc zconfrealloc +#define yyfree zconffree + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 37 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include +#include +#include +#include + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have . Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE zconfrestart(zconfin ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern yy_size_t zconfleng; + +extern FILE *zconfin, *zconfout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up zconftext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up zconftext again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + yy_size_t yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via zconfrestart()), so that the user can continue scanning by + * just pointing zconfin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when zconftext is formed. */ +static char yy_hold_char; +static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */ +yy_size_t zconfleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow zconfwrap()'s to do buffer switches + * instead of setting up a fresh zconfin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void zconfrestart (FILE *input_file ); +void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size ); +void zconf_delete_buffer (YY_BUFFER_STATE b ); +void zconf_flush_buffer (YY_BUFFER_STATE b ); +void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ); +void zconfpop_buffer_state (void ); + +static void zconfensure_buffer_stack (void ); +static void zconf_load_buffer_state (void ); +static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,yy_size_t len ); + +void *zconfalloc (yy_size_t ); +void *zconfrealloc (void *,yy_size_t ); +void zconffree (void * ); + +#define yy_new_buffer zconf_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + zconfensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + zconf_create_buffer(zconfin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + zconfensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + zconf_create_buffer(zconfin,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define zconfwrap() 1 +#define YY_SKIP_YYWRAP + +typedef unsigned char YY_CHAR; + +FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0; + +typedef int yy_state_type; + +extern int zconflineno; + +int zconflineno = 1; + +extern char *zconftext; +#define yytext_ptr zconftext +static yyconst flex_int16_t yy_nxt[][17] = + { + { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0 + }, + + { + 11, 12, 13, 14, 12, 12, 15, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12 + }, + + { + 11, 12, 13, 14, 12, 12, 15, 12, 12, 12, + 12, 12, 12, 12, 12, 12, 12 + }, + + { + 11, 16, 16, 17, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 18, 16, 16, 16 + }, + + { + 11, 16, 16, 17, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 18, 16, 16, 16 + + }, + + { + 11, 19, 20, 21, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19 + }, + + { + 11, 19, 20, 21, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19 + }, + + { + 11, 22, 22, 23, 22, 24, 22, 22, 24, 22, + 22, 22, 22, 22, 22, 25, 22 + }, + + { + 11, 22, 22, 23, 22, 24, 22, 22, 24, 22, + 22, 22, 22, 22, 22, 25, 22 + }, + + { + 11, 26, 26, 27, 28, 29, 30, 31, 29, 32, + 33, 34, 35, 35, 36, 37, 38 + + }, + + { + 11, 26, 26, 27, 28, 29, 30, 31, 29, 32, + 33, 34, 35, 35, 36, 37, 38 + }, + + { + -11, -11, -11, -11, -11, -11, -11, -11, -11, -11, + -11, -11, -11, -11, -11, -11, -11 + }, + + { + 11, -12, -12, -12, -12, -12, -12, -12, -12, -12, + -12, -12, -12, -12, -12, -12, -12 + }, + + { + 11, -13, 39, 40, -13, -13, 41, -13, -13, -13, + -13, -13, -13, -13, -13, -13, -13 + }, + + { + 11, -14, -14, -14, -14, -14, -14, -14, -14, -14, + -14, -14, -14, -14, -14, -14, -14 + + }, + + { + 11, 42, 42, 43, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42 + }, + + { + 11, -16, -16, -16, -16, -16, -16, -16, -16, -16, + -16, -16, -16, -16, -16, -16, -16 + }, + + { + 11, -17, -17, -17, -17, -17, -17, -17, -17, -17, + -17, -17, -17, -17, -17, -17, -17 + }, + + { + 11, -18, -18, -18, -18, -18, -18, -18, -18, -18, + -18, -18, -18, 44, -18, -18, -18 + }, + + { + 11, 45, 45, -19, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45 + + }, + + { + 11, -20, 46, 47, -20, -20, -20, -20, -20, -20, + -20, -20, -20, -20, -20, -20, -20 + }, + + { + 11, 48, -21, -21, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48 + }, + + { + 11, 49, 49, 50, 49, -22, 49, 49, -22, 49, + 49, 49, 49, 49, 49, -22, 49 + }, + + { + 11, -23, -23, -23, -23, -23, -23, -23, -23, -23, + -23, -23, -23, -23, -23, -23, -23 + }, + + { + 11, -24, -24, -24, -24, -24, -24, -24, -24, -24, + -24, -24, -24, -24, -24, -24, -24 + + }, + + { + 11, 51, 51, 52, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51 + }, + + { + 11, -26, -26, -26, -26, -26, -26, -26, -26, -26, + -26, -26, -26, -26, -26, -26, -26 + }, + + { + 11, -27, -27, -27, -27, -27, -27, -27, -27, -27, + -27, -27, -27, -27, -27, -27, -27 + }, + + { + 11, -28, -28, -28, -28, -28, -28, -28, -28, -28, + -28, -28, -28, -28, 53, -28, -28 + }, + + { + 11, -29, -29, -29, -29, -29, -29, -29, -29, -29, + -29, -29, -29, -29, -29, -29, -29 + + }, + + { + 11, 54, 54, -30, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54 + }, + + { + 11, -31, -31, -31, -31, -31, -31, 55, -31, -31, + -31, -31, -31, -31, -31, -31, -31 + }, + + { + 11, -32, -32, -32, -32, -32, -32, -32, -32, -32, + -32, -32, -32, -32, -32, -32, -32 + }, + + { + 11, -33, -33, -33, -33, -33, -33, -33, -33, -33, + -33, -33, -33, -33, -33, -33, -33 + }, + + { + 11, -34, -34, -34, -34, -34, -34, -34, -34, -34, + -34, 56, 57, 57, -34, -34, -34 + + }, + + { + 11, -35, -35, -35, -35, -35, -35, -35, -35, -35, + -35, 57, 57, 57, -35, -35, -35 + }, + + { + 11, -36, -36, -36, -36, -36, -36, -36, -36, -36, + -36, -36, -36, -36, -36, -36, -36 + }, + + { + 11, -37, -37, 58, -37, -37, -37, -37, -37, -37, + -37, -37, -37, -37, -37, -37, -37 + }, + + { + 11, -38, -38, -38, -38, -38, -38, -38, -38, -38, + -38, -38, -38, -38, -38, -38, 59 + }, + + { + 11, -39, 39, 40, -39, -39, 41, -39, -39, -39, + -39, -39, -39, -39, -39, -39, -39 + + }, + + { + 11, -40, -40, -40, -40, -40, -40, -40, -40, -40, + -40, -40, -40, -40, -40, -40, -40 + }, + + { + 11, 42, 42, 43, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42 + }, + + { + 11, 42, 42, 43, 42, 42, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 42 + }, + + { + 11, -43, -43, -43, -43, -43, -43, -43, -43, -43, + -43, -43, -43, -43, -43, -43, -43 + }, + + { + 11, -44, -44, -44, -44, -44, -44, -44, -44, -44, + -44, -44, -44, 44, -44, -44, -44 + + }, + + { + 11, 45, 45, -45, 45, 45, 45, 45, 45, 45, + 45, 45, 45, 45, 45, 45, 45 + }, + + { + 11, -46, 46, 47, -46, -46, -46, -46, -46, -46, + -46, -46, -46, -46, -46, -46, -46 + }, + + { + 11, 48, -47, -47, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48 + }, + + { + 11, -48, -48, -48, -48, -48, -48, -48, -48, -48, + -48, -48, -48, -48, -48, -48, -48 + }, + + { + 11, 49, 49, 50, 49, -49, 49, 49, -49, 49, + 49, 49, 49, 49, 49, -49, 49 + + }, + + { + 11, -50, -50, -50, -50, -50, -50, -50, -50, -50, + -50, -50, -50, -50, -50, -50, -50 + }, + + { + 11, -51, -51, 52, -51, -51, -51, -51, -51, -51, + -51, -51, -51, -51, -51, -51, -51 + }, + + { + 11, -52, -52, -52, -52, -52, -52, -52, -52, -52, + -52, -52, -52, -52, -52, -52, -52 + }, + + { + 11, -53, -53, -53, -53, -53, -53, -53, -53, -53, + -53, -53, -53, -53, -53, -53, -53 + }, + + { + 11, 54, 54, -54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 54, 54, 54, 54 + + }, + + { + 11, -55, -55, -55, -55, -55, -55, -55, -55, -55, + -55, -55, -55, -55, -55, -55, -55 + }, + + { + 11, -56, -56, -56, -56, -56, -56, -56, -56, -56, + -56, 60, 57, 57, -56, -56, -56 + }, + + { + 11, -57, -57, -57, -57, -57, -57, -57, -57, -57, + -57, 57, 57, 57, -57, -57, -57 + }, + + { + 11, -58, -58, -58, -58, -58, -58, -58, -58, -58, + -58, -58, -58, -58, -58, -58, -58 + }, + + { + 11, -59, -59, -59, -59, -59, -59, -59, -59, -59, + -59, -59, -59, -59, -59, -59, -59 + + }, + + { + 11, -60, -60, -60, -60, -60, -60, -60, -60, -60, + -60, 57, 57, 57, -60, -60, -60 + }, + + } ; + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up zconftext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + zconfleng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 33 +#define YY_END_OF_BUFFER 34 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[61] = + { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 34, 5, 4, 2, 3, 7, 8, 6, 32, 29, + 31, 24, 28, 27, 26, 22, 17, 13, 16, 20, + 22, 11, 12, 19, 19, 14, 22, 22, 4, 2, + 3, 3, 1, 6, 32, 29, 31, 30, 24, 23, + 26, 25, 15, 20, 9, 19, 19, 21, 10, 18 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 4, 5, 6, 1, 1, 7, 8, 9, + 10, 1, 1, 1, 11, 12, 12, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, + 14, 1, 1, 1, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 1, 15, 1, 1, 13, 1, 13, 13, 13, 13, + + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 13, 13, 1, 16, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +extern int zconf_flex_debug; +int zconf_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *zconftext; +#define YY_NO_INPUT 1 + +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include +#include + +#include "lkc.h" + +#define START_STRSIZE 16 + +static struct { + struct file *file; + int lineno; +} current_pos; + +static char *text; +static int text_size, text_asize; + +struct buffer { + struct buffer *parent; + YY_BUFFER_STATE state; +}; + +struct buffer *current_buf; + +static int last_ts, first_ts; + +static void zconf_endhelp(void); +static void zconf_endfile(void); + +static void new_string(void) +{ + text = xmalloc(START_STRSIZE); + text_asize = START_STRSIZE; + text_size = 0; + *text = 0; +} + +static void append_string(const char *str, int size) +{ + int new_size = text_size + size + 1; + if (new_size > text_asize) { + new_size += START_STRSIZE - 1; + new_size &= -START_STRSIZE; + text = realloc(text, new_size); + text_asize = new_size; + } + memcpy(text + text_size, str, size); + text_size += size; + text[text_size] = 0; +} + +static void alloc_string(const char *str, int size) +{ + text = xmalloc(size + 1); + memcpy(text, str, size); + text[size] = 0; +} + +#define INITIAL 0 +#define COMMAND 1 +#define HELP 2 +#define STRING 3 +#define PARAM 4 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int zconflex_destroy (void ); + +int zconfget_debug (void ); + +void zconfset_debug (int debug_flag ); + +YY_EXTRA_TYPE zconfget_extra (void ); + +void zconfset_extra (YY_EXTRA_TYPE user_defined ); + +FILE *zconfget_in (void ); + +void zconfset_in (FILE * in_str ); + +FILE *zconfget_out (void ); + +void zconfset_out (FILE * out_str ); + +yy_size_t zconfget_leng (void ); + +char *zconfget_text (void ); + +int zconfget_lineno (void ); + +void zconfset_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int zconfwrap (void ); +#else +extern int zconfwrap (void ); +#endif +#endif + + static void yyunput (int c,char *buf_ptr ); + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( zconftext, zconfleng, 1, zconfout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + errno=0; \ + while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(zconfin); \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int zconflex (void); + +#define YY_DECL int zconflex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after zconftext and zconfleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + + int str = 0; + int ts, i; + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! zconfin ) + zconfin = stdin; + + if ( ! zconfout ) + zconfout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + zconfensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + zconf_create_buffer(zconfin,YY_BUF_SIZE ); + } + + zconf_load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of zconftext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)] ]) > 0 ) + ++yy_cp; + + yy_current_state = -yy_current_state; + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ +case 1: +/* rule 1 can match eol */ +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +{ + current_file->lineno++; + return T_EOL; +} + YY_BREAK +case 3: +YY_RULE_SETUP + + YY_BREAK +case 4: +YY_RULE_SETUP +{ + BEGIN(COMMAND); +} + YY_BREAK +case 5: +YY_RULE_SETUP +{ + unput(zconftext[0]); + BEGIN(COMMAND); +} + YY_BREAK + +case 6: +YY_RULE_SETUP +{ + const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng); + BEGIN(PARAM); + current_pos.file = current_file; + current_pos.lineno = current_file->lineno; + if (id && id->flags & TF_COMMAND) { + zconflval.id = id; + return id->token; + } + alloc_string(zconftext, zconfleng); + zconflval.string = text; + return T_WORD; + } + YY_BREAK +case 7: +YY_RULE_SETUP + + YY_BREAK +case 8: +/* rule 8 can match eol */ +YY_RULE_SETUP +{ + BEGIN(INITIAL); + current_file->lineno++; + return T_EOL; + } + YY_BREAK + +case 9: +YY_RULE_SETUP +return T_AND; + YY_BREAK +case 10: +YY_RULE_SETUP +return T_OR; + YY_BREAK +case 11: +YY_RULE_SETUP +return T_OPEN_PAREN; + YY_BREAK +case 12: +YY_RULE_SETUP +return T_CLOSE_PAREN; + YY_BREAK +case 13: +YY_RULE_SETUP +return T_NOT; + YY_BREAK +case 14: +YY_RULE_SETUP +return T_EQUAL; + YY_BREAK +case 15: +YY_RULE_SETUP +return T_UNEQUAL; + YY_BREAK +case 16: +YY_RULE_SETUP +{ + str = zconftext[0]; + new_string(); + BEGIN(STRING); + } + YY_BREAK +case 17: +/* rule 17 can match eol */ +YY_RULE_SETUP +BEGIN(INITIAL); current_file->lineno++; return T_EOL; + YY_BREAK +case 18: +YY_RULE_SETUP +/* ignore */ + YY_BREAK +case 19: +YY_RULE_SETUP +{ + const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng); + if (id && id->flags & TF_PARAM) { + zconflval.id = id; + return id->token; + } + alloc_string(zconftext, zconfleng); + zconflval.string = text; + return T_WORD; + } + YY_BREAK +case 20: +YY_RULE_SETUP +/* comment */ + YY_BREAK +case 21: +/* rule 21 can match eol */ +YY_RULE_SETUP +current_file->lineno++; + YY_BREAK +case 22: +YY_RULE_SETUP + + YY_BREAK +case YY_STATE_EOF(PARAM): +{ + BEGIN(INITIAL); + } + YY_BREAK + +case 23: +/* rule 23 can match eol */ +*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ +(yy_c_buf_p) = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up zconftext again */ +YY_RULE_SETUP +{ + append_string(zconftext, zconfleng); + zconflval.string = text; + return T_WORD_QUOTE; + } + YY_BREAK +case 24: +YY_RULE_SETUP +{ + append_string(zconftext, zconfleng); + } + YY_BREAK +case 25: +/* rule 25 can match eol */ +*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ +(yy_c_buf_p) = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up zconftext again */ +YY_RULE_SETUP +{ + append_string(zconftext + 1, zconfleng - 1); + zconflval.string = text; + return T_WORD_QUOTE; + } + YY_BREAK +case 26: +YY_RULE_SETUP +{ + append_string(zconftext + 1, zconfleng - 1); + } + YY_BREAK +case 27: +YY_RULE_SETUP +{ + if (str == zconftext[0]) { + BEGIN(PARAM); + zconflval.string = text; + return T_WORD_QUOTE; + } else + append_string(zconftext, 1); + } + YY_BREAK +case 28: +/* rule 28 can match eol */ +YY_RULE_SETUP +{ + printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); + current_file->lineno++; + BEGIN(INITIAL); + return T_EOL; + } + YY_BREAK +case YY_STATE_EOF(STRING): +{ + BEGIN(INITIAL); + } + YY_BREAK + +case 29: +YY_RULE_SETUP +{ + ts = 0; + for (i = 0; i < zconfleng; i++) { + if (zconftext[i] == '\t') + ts = (ts & ~7) + 8; + else + ts++; + } + last_ts = ts; + if (first_ts) { + if (ts < first_ts) { + zconf_endhelp(); + return T_HELPTEXT; + } + ts -= first_ts; + while (ts > 8) { + append_string(" ", 8); + ts -= 8; + } + append_string(" ", ts); + } + } + YY_BREAK +case 30: +/* rule 30 can match eol */ +*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */ +(yy_c_buf_p) = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up zconftext again */ +YY_RULE_SETUP +{ + current_file->lineno++; + zconf_endhelp(); + return T_HELPTEXT; + } + YY_BREAK +case 31: +/* rule 31 can match eol */ +YY_RULE_SETUP +{ + current_file->lineno++; + append_string("\n", 1); + } + YY_BREAK +case 32: +YY_RULE_SETUP +{ + while (zconfleng) { + if ((zconftext[zconfleng-1] != ' ') && (zconftext[zconfleng-1] != '\t')) + break; + zconfleng--; + } + append_string(zconftext, zconfleng); + if (!first_ts) + first_ts = last_ts; + } + YY_BREAK +case YY_STATE_EOF(HELP): +{ + zconf_endhelp(); + return T_HELPTEXT; + } + YY_BREAK + +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(COMMAND): +{ + if (current_file) { + zconf_endfile(); + return T_EOL; + } + fclose(zconfin); + yyterminate(); +} + YY_BREAK +case 33: +YY_RULE_SETUP +YY_FATAL_ERROR( "flex scanner jammed" ); + YY_BREAK + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed zconfin at a new source and called + * zconflex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( zconfwrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * zconftext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of zconflex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + yy_size_t num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + yy_size_t new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + zconfrestart(zconfin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) zconfrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + + yy_current_state = yy_nxt[yy_current_state][1]; + yy_is_jam = (yy_current_state <= 0); + + return yy_is_jam ? 0 : yy_current_state; +} + + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up zconftext */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register yy_size_t number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + register char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + yy_size_t offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + zconfrestart(zconfin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( zconfwrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve zconftext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void zconfrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + zconfensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + zconf_create_buffer(zconfin,YY_BUF_SIZE ); + } + + zconf_init_buffer(YY_CURRENT_BUFFER,input_file ); + zconf_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * zconfpop_buffer_state(); + * zconfpush_buffer_state(new_buffer); + */ + zconfensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + zconf_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (zconfwrap()) processing, but the only time this flag + * is looked at is after zconfwrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void zconf_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + zconfin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE zconf_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + zconf_init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with zconf_create_buffer() + * + */ + void zconf_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + zconffree((void *) b->yy_ch_buf ); + + zconffree((void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a zconfrestart() or at EOF. + */ + static void zconf_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + zconf_flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then zconf_init_buffer was _probably_ + * called from zconfrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void zconf_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + zconf_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + zconfensure_buffer_stack(); + + /* This block is copied from zconf_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from zconf_switch_to_buffer. */ + zconf_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void zconfpop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + zconf_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + zconf_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void zconfensure_buffer_stack (void) +{ + yy_size_t num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in zconfensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in zconfensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE zconf_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + zconf_switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to zconflex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * zconf_scan_bytes() instead. + */ +YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr ) +{ + + return zconf_scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE zconf_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + yy_size_t i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) zconfalloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = zconf_scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up zconftext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + zconftext[zconfleng] = (yy_hold_char); \ + (yy_c_buf_p) = zconftext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + zconfleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int zconfget_lineno (void) +{ + + return zconflineno; +} + +/** Get the input stream. + * + */ +FILE *zconfget_in (void) +{ + return zconfin; +} + +/** Get the output stream. + * + */ +FILE *zconfget_out (void) +{ + return zconfout; +} + +/** Get the length of the current token. + * + */ +yy_size_t zconfget_leng (void) +{ + return zconfleng; +} + +/** Get the current token. + * + */ + +char *zconfget_text (void) +{ + return zconftext; +} + +/** Set the current line number. + * @param line_number + * + */ +void zconfset_lineno (int line_number ) +{ + + zconflineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see zconf_switch_to_buffer + */ +void zconfset_in (FILE * in_str ) +{ + zconfin = in_str ; +} + +void zconfset_out (FILE * out_str ) +{ + zconfout = out_str ; +} + +int zconfget_debug (void) +{ + return zconf_flex_debug; +} + +void zconfset_debug (int bdebug ) +{ + zconf_flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from zconflex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + zconfin = stdin; + zconfout = stdout; +#else + zconfin = (FILE *) 0; + zconfout = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * zconflex_init() + */ + return 0; +} + +/* zconflex_destroy is for both reentrant and non-reentrant scanners. */ +int zconflex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + zconf_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + zconfpop_buffer_state(); + } + + /* Destroy the stack itself. */ + zconffree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * zconflex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *zconfalloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *zconfrealloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void zconffree (void * ptr ) +{ + free( (char *) ptr ); /* see zconfrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +void zconf_starthelp(void) +{ + new_string(); + last_ts = first_ts = 0; + BEGIN(HELP); +} + +static void zconf_endhelp(void) +{ + zconflval.string = text; + BEGIN(INITIAL); +} + +/* + * Try to open specified file with following names: + * ./name + * $(srctree)/name + * The latter is used when srctree is separate from objtree + * when compiling the kernel. + * Return NULL if file is not found. + */ +FILE *zconf_fopen(const char *name) +{ + char *env, fullname[PATH_MAX+1]; + FILE *f; + + f = fopen(name, "r"); + if (!f && name != NULL && name[0] != '/') { + env = getenv(SRCTREE); + if (env) { + sprintf(fullname, "%s/%s", env, name); + f = fopen(fullname, "r"); + } + } + return f; +} + +void zconf_initscan(const char *name) +{ + zconfin = zconf_fopen(name); + if (!zconfin) { + printf("can't find file %s\n", name); + exit(1); + } + + current_buf = xmalloc(sizeof(*current_buf)); + memset(current_buf, 0, sizeof(*current_buf)); + + current_file = file_lookup(name); + current_file->lineno = 1; +} + +void zconf_nextfile(const char *name) +{ + struct file *iter; + struct file *file = file_lookup(name); + struct buffer *buf = xmalloc(sizeof(*buf)); + memset(buf, 0, sizeof(*buf)); + + current_buf->state = YY_CURRENT_BUFFER; + zconfin = zconf_fopen(file->name); + if (!zconfin) { + printf("%s:%d: can't open file \"%s\"\n", + zconf_curname(), zconf_lineno(), file->name); + exit(1); + } + zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE)); + buf->parent = current_buf; + current_buf = buf; + + for (iter = current_file->parent; iter; iter = iter->parent ) { + if (!strcmp(current_file->name,iter->name) ) { + printf("%s:%d: recursive inclusion detected. " + "Inclusion path:\n current file : '%s'\n", + zconf_curname(), zconf_lineno(), + zconf_curname()); + iter = current_file->parent; + while (iter && \ + strcmp(iter->name,current_file->name)) { + printf(" included from: '%s:%d'\n", + iter->name, iter->lineno-1); + iter = iter->parent; + } + if (iter) + printf(" included from: '%s:%d'\n", + iter->name, iter->lineno+1); + exit(1); + } + } + file->lineno = 1; + file->parent = current_file; + current_file = file; +} + +static void zconf_endfile(void) +{ + struct buffer *parent; + + current_file = current_file->parent; + + parent = current_buf->parent; + if (parent) { + fclose(zconfin); + zconf_delete_buffer(YY_CURRENT_BUFFER); + zconf_switch_to_buffer(parent->state); + } + free(current_buf); + current_buf = parent; +} + +int zconf_lineno(void) +{ + return current_pos.lineno; +} + +const char *zconf_curname(void) +{ + return current_pos.file ? current_pos.file->name : ""; +} + diff --git a/programs/src/kconfig_parser/kconfig/zconf.tab.c b/programs/src/kconfig_parser/kconfig/zconf.tab.c new file mode 100644 index 0000000..0864c7d --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/zconf.tab.c @@ -0,0 +1,2416 @@ +/* A Bison parser, made by GNU Bison 3.0.2. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2013 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "3.0.2" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + + +/* Substitute the variable and function names. */ +#define yyparse zconfparse +#define yylex zconflex +#define yyerror zconferror +#define yydebug zconfdebug +#define yynerrs zconfnerrs + +#define yylval zconflval +#define yychar zconfchar + +/* Copy the first part of user declarations. */ + + +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include +#include +#include + +#include "lkc.h" + +#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt) + +#define PRINTD 0x0001 +#define DEBUG_PARSE 0x0002 + +int cdebug = PRINTD; + +extern int zconflex(void); +static void zconfprint(const char *err, ...); +static void zconf_error(const char *err, ...); +static void zconferror(const char *err); +static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken); + +struct symbol *symbol_hash[SYMBOL_HASHSIZE]; + +static struct menu *current_menu, *current_entry; + + + + +# ifndef YY_NULLPTR +# if defined __cplusplus && 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + + +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 1 +#endif +#if YYDEBUG +extern int zconfdebug; +#endif + +/* Token type. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + T_MAINMENU = 258, + T_MENU = 259, + T_ENDMENU = 260, + T_SOURCE = 261, + T_CHOICE = 262, + T_ENDCHOICE = 263, + T_COMMENT = 264, + T_CONFIG = 265, + T_MENUCONFIG = 266, + T_HELP = 267, + T_HELPTEXT = 268, + T_IF = 269, + T_ENDIF = 270, + T_DEPENDS = 271, + T_OPTIONAL = 272, + T_PROMPT = 273, + T_TYPE = 274, + T_DEFAULT = 275, + T_SELECT = 276, + T_RANGE = 277, + T_VISIBLE = 278, + T_OPTION = 279, + T_ON = 280, + T_WORD = 281, + T_WORD_QUOTE = 282, + T_UNEQUAL = 283, + T_CLOSE_PAREN = 284, + T_OPEN_PAREN = 285, + T_EOL = 286, + T_OR = 287, + T_AND = 288, + T_EQUAL = 289, + T_NOT = 290 + }; +#endif + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE YYSTYPE; +union YYSTYPE +{ + + + char *string; + struct file *file; + struct symbol *symbol; + struct expr *expr; + struct menu *menu; + const struct kconf_id *id; + + +}; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE zconflval; + +int zconfparse (void); + + + +/* Copy the second part of user declarations. */ + + +/* Include zconf.hash.c here so it can see the token constants. */ +#include "zconf.hash.c" + + + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#else +typedef signed char yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(Msgid) dgettext ("bison-runtime", Msgid) +# endif +# endif +# ifndef YY_ +# define YY_(Msgid) Msgid +# endif +#endif + +#ifndef YY_ATTRIBUTE +# if (defined __GNUC__ \ + && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \ + || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C +# define YY_ATTRIBUTE(Spec) __attribute__(Spec) +# else +# define YY_ATTRIBUTE(Spec) /* empty */ +# endif +#endif + +#ifndef YY_ATTRIBUTE_PURE +# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__)) +#endif + +#ifndef YY_ATTRIBUTE_UNUSED +# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__)) +#endif + +#if !defined _Noreturn \ + && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112) +# if defined _MSC_VER && 1200 <= _MSC_VER +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn YY_ATTRIBUTE ((__noreturn__)) +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(E) ((void) (E)) +#else +# define YYUSE(E) /* empty */ +#endif + +#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ + _Pragma ("GCC diagnostic pop") +#else +# define YY_INITIAL_VALUE(Value) Value +#endif +#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_END +#endif +#ifndef YY_INITIAL_VALUE +# define YY_INITIAL_VALUE(Value) /* Nothing. */ +#endif + + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS +# include /* INFRINGES ON USER NAME SPACE */ + /* Use EXIT_SUCCESS as a witness for stdlib.h. */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's 'empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from SRC to DST. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(Dst, Src, Count) \ + __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (Dst)[yyi] = (Src)[yyi]; \ + } \ + while (0) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 11 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 290 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 36 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 50 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 118 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 191 + +/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned + by yylex, with out-of-bounds checking. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 290 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, without out-of-bounds checking. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35 +}; + +#if YYDEBUG + /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 103, 103, 103, 105, 105, 107, 109, 110, 111, + 112, 113, 114, 118, 122, 122, 122, 122, 122, 122, + 122, 122, 126, 127, 128, 129, 130, 131, 135, 136, + 142, 150, 156, 164, 174, 176, 177, 178, 179, 180, + 181, 184, 192, 198, 208, 214, 220, 223, 225, 236, + 237, 242, 251, 256, 264, 267, 269, 270, 271, 272, + 273, 276, 282, 293, 299, 309, 311, 316, 324, 332, + 335, 337, 338, 339, 344, 351, 358, 363, 371, 374, + 376, 377, 378, 381, 389, 396, 403, 409, 416, 418, + 419, 420, 423, 431, 433, 434, 437, 444, 446, 451, + 452, 455, 456, 457, 461, 462, 465, 466, 469, 470, + 471, 472, 473, 474, 475, 478, 479, 482, 483 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || 0 +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "T_MAINMENU", "T_MENU", "T_ENDMENU", + "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG", + "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS", + "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE", + "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL", + "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL", + "T_NOT", "$accept", "input", "start", "stmt_list", "option_name", + "common_stmt", "option_error", "config_entry_start", "config_stmt", + "menuconfig_entry_start", "menuconfig_stmt", "config_option_list", + "config_option", "symbol_option", "symbol_option_list", + "symbol_option_arg", "choice", "choice_entry", "choice_end", + "choice_stmt", "choice_option_list", "choice_option", "choice_block", + "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu", + "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt", + "comment", "comment_stmt", "help_start", "help", "depends_list", + "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt", + "end", "nl", "if_expr", "expr", "symbol", "word_opt", YY_NULLPTR +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, + 285, 286, 287, 288, 289, 290 +}; +# endif + +#define YYPACT_NINF -90 + +#define yypact_value_is_default(Yystate) \ + (!!((Yystate) == (-90))) + +#define YYTABLE_NINF -86 + +#define yytable_value_is_error(Yytable_value) \ + 0 + + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int16 yypact[] = +{ + 4, 42, -90, 96, -90, 111, -90, 15, -90, -90, + 75, -90, 82, 42, 104, 42, 110, 107, 42, 115, + 125, -4, 121, -90, -90, -90, -90, -90, -90, -90, + -90, 162, -90, 163, -90, -90, -90, -90, -90, -90, + -90, -90, -90, -90, -90, -90, -90, -90, -90, -90, + -90, 139, -90, -90, 138, -90, 142, -90, 143, -90, + 152, -90, 164, 167, 168, -90, -90, -4, -4, 77, + -18, -90, 177, 185, 33, 71, 195, 247, 236, -2, + 236, 171, -90, -90, -90, -90, -90, -90, 41, -90, + -4, -4, 138, 97, 97, -90, -90, 186, 187, 194, + 42, 42, -4, 196, 97, -90, 219, -90, -90, -90, + -90, 210, -90, -90, 204, 42, 42, 199, -90, -90, + -90, -90, -90, -90, -90, -90, -90, -90, -90, -90, + -90, 222, -90, 223, -90, -90, -90, -90, -90, -90, + -90, -90, -90, -90, 215, -90, -90, -90, -90, -90, + -4, 222, 228, 222, -5, 222, 97, 35, 229, -90, + -90, 222, 232, 222, -4, -90, 135, 233, -90, -90, + 234, 235, 222, 240, -90, -90, 237, -90, 239, -13, + -90, -90, -90, -90, 244, 42, -90, -90, -90, -90, + -90 +}; + + /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE does not specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 6, 0, 104, 0, 3, 0, 6, 6, 99, 100, + 0, 1, 0, 0, 0, 0, 117, 0, 0, 0, + 0, 0, 0, 14, 18, 15, 16, 20, 17, 19, + 21, 0, 22, 0, 7, 34, 25, 34, 26, 55, + 65, 8, 70, 23, 93, 79, 9, 27, 88, 24, + 10, 0, 105, 2, 74, 13, 0, 101, 0, 118, + 0, 102, 0, 0, 0, 115, 116, 0, 0, 0, + 108, 103, 0, 0, 0, 0, 0, 0, 0, 88, + 0, 0, 75, 83, 51, 84, 30, 32, 0, 112, + 0, 0, 67, 0, 0, 11, 12, 0, 0, 0, + 0, 97, 0, 0, 0, 47, 0, 40, 39, 35, + 36, 0, 38, 37, 0, 0, 97, 0, 59, 60, + 56, 58, 57, 66, 54, 53, 71, 73, 69, 72, + 68, 106, 95, 0, 94, 80, 82, 78, 81, 77, + 90, 91, 89, 111, 113, 114, 110, 109, 29, 86, + 0, 106, 0, 106, 106, 106, 0, 0, 0, 87, + 63, 106, 0, 106, 0, 96, 0, 0, 41, 98, + 0, 0, 106, 49, 46, 28, 0, 62, 0, 107, + 92, 42, 43, 44, 0, 0, 48, 61, 64, 45, + 50 +}; + + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -90, -90, 269, 271, -90, 23, -70, -90, -90, -90, + -90, 243, -90, -90, -90, -90, -90, -90, -90, -48, + -90, -90, -90, -90, -90, -90, -90, -90, -90, -90, + -90, -20, -90, -90, -90, -90, -90, 206, 205, -68, + -90, -90, 169, -1, 27, -7, 118, -66, -89, -90 +}; + + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 3, 4, 5, 33, 34, 108, 35, 36, 37, + 38, 74, 109, 110, 157, 186, 39, 40, 124, 41, + 76, 120, 77, 42, 128, 43, 78, 6, 44, 45, + 137, 46, 80, 47, 48, 49, 111, 112, 81, 113, + 79, 134, 152, 153, 50, 7, 165, 69, 70, 60 +}; + + /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule whose + number is the opposite. If YYTABLE_NINF, syntax error. */ +static const yytype_int16 yytable[] = +{ + 10, 88, 89, 54, 146, 147, 119, 1, 122, 164, + 93, 141, 56, 142, 58, 156, 94, 62, 1, 90, + 91, 131, 65, 66, 144, 145, 67, 90, 91, 132, + 127, 68, 136, -31, 97, 2, 154, -31, -31, -31, + -31, -31, -31, -31, -31, 98, 52, -31, -31, 99, + -31, 100, 101, 102, 103, 104, -31, 105, 129, 106, + 138, 173, 92, 141, 107, 142, 174, 172, 8, 9, + 143, -33, 97, 90, 91, -33, -33, -33, -33, -33, + -33, -33, -33, 98, 166, -33, -33, 99, -33, 100, + 101, 102, 103, 104, -33, 105, 11, 106, 179, 151, + 123, 126, 107, 135, 125, 130, 2, 139, 2, 90, + 91, -5, 12, 55, 161, 13, 14, 15, 16, 17, + 18, 19, 20, 65, 66, 21, 22, 23, 24, 25, + 26, 27, 28, 29, 30, 57, 59, 31, 61, -4, + 12, 63, 32, 13, 14, 15, 16, 17, 18, 19, + 20, 64, 71, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 30, 72, 73, 31, 180, 90, 91, 52, + 32, -85, 97, 82, 83, -85, -85, -85, -85, -85, + -85, -85, -85, 84, 190, -85, -85, 99, -85, -85, + -85, -85, -85, -85, -85, 85, 97, 106, 86, 87, + -52, -52, 140, -52, -52, -52, -52, 98, 95, -52, + -52, 99, 114, 115, 116, 117, 96, 148, 149, 150, + 158, 106, 155, 159, 97, 163, 118, -76, -76, -76, + -76, -76, -76, -76, -76, 160, 164, -76, -76, 99, + 13, 14, 15, 16, 17, 18, 19, 20, 91, 106, + 21, 22, 14, 15, 140, 17, 18, 19, 20, 168, + 175, 21, 22, 177, 181, 182, 183, 32, 187, 167, + 188, 169, 170, 171, 185, 189, 53, 51, 32, 176, + 75, 178, 121, 0, 133, 162, 0, 0, 0, 0, + 184 +}; + +static const yytype_int16 yycheck[] = +{ + 1, 67, 68, 10, 93, 94, 76, 3, 76, 14, + 28, 81, 13, 81, 15, 104, 34, 18, 3, 32, + 33, 23, 26, 27, 90, 91, 30, 32, 33, 31, + 78, 35, 80, 0, 1, 31, 102, 4, 5, 6, + 7, 8, 9, 10, 11, 12, 31, 14, 15, 16, + 17, 18, 19, 20, 21, 22, 23, 24, 78, 26, + 80, 26, 69, 133, 31, 133, 31, 156, 26, 27, + 29, 0, 1, 32, 33, 4, 5, 6, 7, 8, + 9, 10, 11, 12, 150, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 24, 0, 26, 164, 100, + 77, 78, 31, 80, 77, 78, 31, 80, 31, 32, + 33, 0, 1, 31, 115, 4, 5, 6, 7, 8, + 9, 10, 11, 26, 27, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 31, 26, 26, 31, 0, + 1, 26, 31, 4, 5, 6, 7, 8, 9, 10, + 11, 26, 31, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 1, 1, 26, 31, 32, 33, 31, + 31, 0, 1, 31, 31, 4, 5, 6, 7, 8, + 9, 10, 11, 31, 185, 14, 15, 16, 17, 18, + 19, 20, 21, 22, 23, 31, 1, 26, 31, 31, + 5, 6, 31, 8, 9, 10, 11, 12, 31, 14, + 15, 16, 17, 18, 19, 20, 31, 31, 31, 25, + 1, 26, 26, 13, 1, 26, 31, 4, 5, 6, + 7, 8, 9, 10, 11, 31, 14, 14, 15, 16, + 4, 5, 6, 7, 8, 9, 10, 11, 33, 26, + 14, 15, 5, 6, 31, 8, 9, 10, 11, 31, + 31, 14, 15, 31, 31, 31, 31, 31, 31, 151, + 31, 153, 154, 155, 34, 31, 7, 6, 31, 161, + 37, 163, 76, -1, 79, 116, -1, -1, -1, -1, + 172 +}; + + /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 3, 31, 37, 38, 39, 63, 81, 26, 27, + 79, 0, 1, 4, 5, 6, 7, 8, 9, 10, + 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, + 23, 26, 31, 40, 41, 43, 44, 45, 46, 52, + 53, 55, 59, 61, 64, 65, 67, 69, 70, 71, + 80, 39, 31, 38, 81, 31, 79, 31, 79, 26, + 85, 31, 79, 26, 26, 26, 27, 30, 35, 83, + 84, 31, 1, 1, 47, 47, 56, 58, 62, 76, + 68, 74, 31, 31, 31, 31, 31, 31, 83, 83, + 32, 33, 81, 28, 34, 31, 31, 1, 12, 16, + 18, 19, 20, 21, 22, 24, 26, 31, 42, 48, + 49, 72, 73, 75, 17, 18, 19, 20, 31, 42, + 57, 73, 75, 41, 54, 80, 41, 55, 60, 67, + 80, 23, 31, 74, 77, 41, 55, 66, 67, 80, + 31, 42, 75, 29, 83, 83, 84, 84, 31, 31, + 25, 79, 78, 79, 83, 26, 84, 50, 1, 13, + 31, 79, 78, 26, 14, 82, 83, 82, 31, 82, + 82, 82, 84, 26, 31, 31, 82, 31, 82, 83, + 31, 31, 31, 31, 82, 34, 51, 31, 31, 31, + 79 +}; + + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 36, 37, 37, 38, 38, 39, 39, 39, 39, + 39, 39, 39, 39, 40, 40, 40, 40, 40, 40, + 40, 40, 41, 41, 41, 41, 41, 41, 42, 42, + 43, 44, 45, 46, 47, 47, 47, 47, 47, 47, + 47, 48, 48, 48, 48, 48, 49, 50, 50, 51, + 51, 52, 53, 54, 55, 56, 56, 56, 56, 56, + 56, 57, 57, 57, 57, 58, 58, 59, 60, 61, + 62, 62, 62, 62, 63, 64, 65, 66, 67, 68, + 68, 68, 68, 69, 70, 71, 72, 73, 74, 74, + 74, 74, 75, 76, 76, 76, 77, 78, 78, 79, + 79, 80, 80, 80, 81, 81, 82, 82, 83, 83, + 83, 83, 83, 83, 83, 84, 84, 85, 85 +}; + + /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 2, 1, 2, 1, 0, 2, 2, 2, + 2, 4, 4, 3, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 3, 2, + 3, 2, 3, 2, 0, 2, 2, 2, 2, 2, + 2, 3, 4, 4, 4, 5, 3, 0, 3, 0, + 2, 3, 2, 1, 3, 0, 2, 2, 2, 2, + 2, 4, 3, 2, 4, 0, 2, 3, 1, 3, + 0, 2, 2, 2, 3, 3, 3, 1, 3, 0, + 2, 2, 2, 3, 3, 2, 2, 2, 0, 2, + 2, 2, 4, 0, 2, 2, 2, 0, 2, 1, + 1, 2, 2, 2, 1, 2, 0, 2, 1, 3, + 3, 3, 2, 3, 3, 1, 1, 0, 1 +}; + + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (0) + +/* Error token number */ +#define YYTERROR 1 +#define YYERRCODE 256 + + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +/* This macro is provided for backward compatibility. */ +#ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +#endif + + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + + +/*----------------------------------------. +| Print this symbol's value on YYOUTPUT. | +`----------------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +{ + FILE *yyo = yyoutput; + YYUSE (yyo); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + YYUSE (yytype); +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +{ + YYFPRINTF (yyoutput, "%s %s (", + yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +static void +yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule) +{ + unsigned long int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + yystos[yyssp[yyi + 1 - yynrhs]], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +yystrlen (const char *yystr) +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +yystpcpy (char *yydest, const char *yysrc) +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message + about the unexpected token YYTOKEN for the state stack whose top is + YYSSP. + + Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is + not large enough to hold the message. In that case, also set + *YYMSG_ALLOC to the required number of bytes. Return 2 if the + required number of bytes is too large to store. */ +static int +yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, + yytype_int16 *yyssp, int yytoken) +{ + YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = YY_NULLPTR; + /* Arguments of yyformat. */ + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + /* Number of reported tokens (one for the "unexpected", one per + "expected"). */ + int yycount = 0; + + /* There are many possibilities here to consider: + - If this state is a consistent state with a default action, then + the only way this function was invoked is if the default action + is an error action. In that case, don't check for expected + tokens because there are none. + - The only way there can be no lookahead present (in yychar) is if + this state is a consistent state with a default action. Thus, + detecting the absence of a lookahead is sufficient to determine + that there is no unexpected or expected token to report. In that + case, just report a simple "syntax error". + - Don't assume there isn't a lookahead just because this state is a + consistent state with a default action. There might have been a + previous inconsistent state, consistent state with a non-default + action, or user semantic action that manipulated yychar. + - Of course, the expected token list depends on states to have + correct lookahead information, and it depends on the parser not + to perform extra reductions after fetching a lookahead from the + scanner and before detecting a syntax error. Thus, state merging + (from LALR or IELR) and default reductions corrupt the expected + token list. However, the list is correct for canonical LR with + one exception: it will still contain any token that will not be + accepted due to an error action in a later state. + */ + if (yytoken != YYEMPTY) + { + int yyn = yypact[*yyssp]; + yyarg[yycount++] = yytname[yytoken]; + if (!yypact_value_is_default (yyn)) + { + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. In other words, skip the first -YYN actions for + this state because they are default actions. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yyx; + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR + && !yytable_value_is_error (yytable[yyx + yyn])) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + break; + } + yyarg[yycount++] = yytname[yyx]; + { + YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } + } + } + + switch (yycount) + { +# define YYCASE_(N, S) \ + case N: \ + yyformat = S; \ + break + YYCASE_(0, YY_("syntax error")); + YYCASE_(1, YY_("syntax error, unexpected %s")); + YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); + YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); + YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); + YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); +# undef YYCASE_ + } + + { + YYSIZE_T yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } + + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + { + char *yyp = *yymsg; + int yyi = 0; + while ((*yyp = *yyformat) != '\0') + if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyformat += 2; + } + else + { + yyp++; + yyformat++; + } + } + return 0; +} +#endif /* YYERROR_VERBOSE */ + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +{ + YYUSE (yyvaluep); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + switch (yytype) + { + case 53: /* choice_entry */ + + { + fprintf(stderr, "%s:%d: missing end statement for this entry\n", + ((*yyvaluep).menu)->file->name, ((*yyvaluep).menu)->lineno); + if (current_menu == ((*yyvaluep).menu)) + menu_end_menu(); +} + + break; + + case 59: /* if_entry */ + + { + fprintf(stderr, "%s:%d: missing end statement for this entry\n", + ((*yyvaluep).menu)->file->name, ((*yyvaluep).menu)->lineno); + if (current_menu == ((*yyvaluep).menu)) + menu_end_menu(); +} + + break; + + case 65: /* menu_entry */ + + { + fprintf(stderr, "%s:%d: missing end statement for this entry\n", + ((*yyvaluep).menu)->file->name, ((*yyvaluep).menu)->lineno); + if (current_menu == ((*yyvaluep).menu)) + menu_end_menu(); +} + + break; + + + default: + break; + } + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; +/* Number of syntax errors so far. */ +int yynerrs; + + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + 'yyss': related to states. + 'yyvs': related to semantic values. + + Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken = 0; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yyssp = yyss = yyssa; + yyvsp = yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yypact_value_is_default (yyn)) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = yylex (); + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yytable_value_is_error (yyn)) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + '$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 10: + + { zconf_error("unexpected end statement"); } + + break; + + case 11: + + { zconf_error("unknown statement \"%s\"", (yyvsp[-2].string)); } + + break; + + case 12: + + { + zconf_error("unexpected option \"%s\"", kconf_id_strings + (yyvsp[-2].id)->name); +} + + break; + + case 13: + + { zconf_error("invalid statement"); } + + break; + + case 28: + + { zconf_error("unknown option \"%s\"", (yyvsp[-2].string)); } + + break; + + case 29: + + { zconf_error("invalid option"); } + + break; + + case 30: + + { + struct symbol *sym = sym_lookup((yyvsp[-1].string), 0); + sym->flags |= SYMBOL_OPTIONAL; + menu_add_entry(sym); + printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), (yyvsp[-1].string)); +} + + break; + + case 31: + + { + menu_end_entry(); + printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 32: + + { + struct symbol *sym = sym_lookup((yyvsp[-1].string), 0); + sym->flags |= SYMBOL_OPTIONAL; + menu_add_entry(sym); + printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), (yyvsp[-1].string)); +} + + break; + + case 33: + + { + if (current_entry->prompt) + current_entry->prompt->type = P_MENU; + else + zconfprint("warning: menuconfig statement without prompt"); + menu_end_entry(); + printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 41: + + { + menu_set_type((yyvsp[-2].id)->stype); + printd(DEBUG_PARSE, "%s:%d:type(%u)\n", + zconf_curname(), zconf_lineno(), + (yyvsp[-2].id)->stype); +} + + break; + + case 42: + + { + menu_add_prompt(P_PROMPT, (yyvsp[-2].string), (yyvsp[-1].expr)); + printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 43: + + { + menu_add_expr(P_DEFAULT, (yyvsp[-2].expr), (yyvsp[-1].expr)); + if ((yyvsp[-3].id)->stype != S_UNKNOWN) + menu_set_type((yyvsp[-3].id)->stype); + printd(DEBUG_PARSE, "%s:%d:default(%u)\n", + zconf_curname(), zconf_lineno(), + (yyvsp[-3].id)->stype); +} + + break; + + case 44: + + { + menu_add_symbol(P_SELECT, sym_lookup((yyvsp[-2].string), 0), (yyvsp[-1].expr)); + printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 45: + + { + menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[-3].symbol), (yyvsp[-2].symbol)), (yyvsp[-1].expr)); + printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 48: + + { + const struct kconf_id *id = kconf_id_lookup((yyvsp[-1].string), strlen((yyvsp[-1].string))); + if (id && id->flags & TF_OPTION) + menu_add_option(id->token, (yyvsp[0].string)); + else + zconfprint("warning: ignoring unknown option %s", (yyvsp[-1].string)); + free((yyvsp[-1].string)); +} + + break; + + case 49: + + { (yyval.string) = NULL; } + + break; + + case 50: + + { (yyval.string) = (yyvsp[0].string); } + + break; + + case 51: + + { + struct symbol *sym = sym_lookup((yyvsp[-1].string), SYMBOL_CHOICE); + sym->flags |= SYMBOL_AUTO; + menu_add_entry(sym); + menu_add_expr(P_CHOICE, NULL, NULL); + printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 52: + + { + (yyval.menu) = menu_add_menu(); +} + + break; + + case 53: + + { + if (zconf_endtoken((yyvsp[0].id), T_CHOICE, T_ENDCHOICE)) { + menu_end_menu(); + printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno()); + } +} + + break; + + case 61: + + { + menu_add_prompt(P_PROMPT, (yyvsp[-2].string), (yyvsp[-1].expr)); + printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 62: + + { + if ((yyvsp[-2].id)->stype == S_BOOLEAN || (yyvsp[-2].id)->stype == S_TRISTATE) { + menu_set_type((yyvsp[-2].id)->stype); + printd(DEBUG_PARSE, "%s:%d:type(%u)\n", + zconf_curname(), zconf_lineno(), + (yyvsp[-2].id)->stype); + } else + YYERROR; +} + + break; + + case 63: + + { + current_entry->sym->flags |= SYMBOL_OPTIONAL; + printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 64: + + { + if ((yyvsp[-3].id)->stype == S_UNKNOWN) { + menu_add_symbol(P_DEFAULT, sym_lookup((yyvsp[-2].string), 0), (yyvsp[-1].expr)); + printd(DEBUG_PARSE, "%s:%d:default\n", + zconf_curname(), zconf_lineno()); + } else + YYERROR; +} + + break; + + case 67: + + { + printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno()); + menu_add_entry(NULL); + menu_add_dep((yyvsp[-1].expr)); + (yyval.menu) = menu_add_menu(); +} + + break; + + case 68: + + { + if (zconf_endtoken((yyvsp[0].id), T_IF, T_ENDIF)) { + menu_end_menu(); + printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno()); + } +} + + break; + + case 74: + + { + menu_add_prompt(P_MENU, (yyvsp[-1].string), NULL); +} + + break; + + case 75: + + { + menu_add_entry(NULL); + menu_add_prompt(P_MENU, (yyvsp[-1].string), NULL); + printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 76: + + { + (yyval.menu) = menu_add_menu(); +} + + break; + + case 77: + + { + if (zconf_endtoken((yyvsp[0].id), T_MENU, T_ENDMENU)) { + menu_end_menu(); + printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno()); + } +} + + break; + + case 83: + + { + printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[-1].string)); + zconf_nextfile((yyvsp[-1].string)); +} + + break; + + case 84: + + { + menu_add_entry(NULL); + menu_add_prompt(P_COMMENT, (yyvsp[-1].string), NULL); + printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 85: + + { + menu_end_entry(); +} + + break; + + case 86: + + { + printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno()); + zconf_starthelp(); +} + + break; + + case 87: + + { + current_entry->help = (yyvsp[0].string); +} + + break; + + case 92: + + { + menu_add_dep((yyvsp[-1].expr)); + printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno()); +} + + break; + + case 96: + + { + menu_add_visibility((yyvsp[0].expr)); +} + + break; + + case 98: + + { + menu_add_prompt(P_PROMPT, (yyvsp[-1].string), (yyvsp[0].expr)); +} + + break; + + case 101: + + { (yyval.id) = (yyvsp[-1].id); } + + break; + + case 102: + + { (yyval.id) = (yyvsp[-1].id); } + + break; + + case 103: + + { (yyval.id) = (yyvsp[-1].id); } + + break; + + case 106: + + { (yyval.expr) = NULL; } + + break; + + case 107: + + { (yyval.expr) = (yyvsp[0].expr); } + + break; + + case 108: + + { (yyval.expr) = expr_alloc_symbol((yyvsp[0].symbol)); } + + break; + + case 109: + + { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[-2].symbol), (yyvsp[0].symbol)); } + + break; + + case 110: + + { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[-2].symbol), (yyvsp[0].symbol)); } + + break; + + case 111: + + { (yyval.expr) = (yyvsp[-1].expr); } + + break; + + case 112: + + { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[0].expr)); } + + break; + + case 113: + + { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[-2].expr), (yyvsp[0].expr)); } + + break; + + case 114: + + { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[-2].expr), (yyvsp[0].expr)); } + + break; + + case 115: + + { (yyval.symbol) = sym_lookup((yyvsp[0].string), 0); free((yyvsp[0].string)); } + + break; + + case 116: + + { (yyval.symbol) = sym_lookup((yyvsp[0].string), SYMBOL_CONST); free((yyvsp[0].string)); } + + break; + + case 117: + + { (yyval.string) = NULL; } + + break; + + + + default: break; + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* Now 'shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*--------------------------------------. +| yyerrlab -- here on detecting error. | +`--------------------------------------*/ +yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); + + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else +# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ + yyssp, yytoken) + { + char const *yymsgp = YY_("syntax error"); + int yysyntax_error_status; + yysyntax_error_status = YYSYNTAX_ERROR; + if (yysyntax_error_status == 0) + yymsgp = yymsg; + else if (yysyntax_error_status == 1) + { + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); + if (!yymsg) + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + yysyntax_error_status = 2; + } + else + { + yysyntax_error_status = YYSYNTAX_ERROR; + yymsgp = yymsg; + } + } + yyerror (yymsgp); + if (yysyntax_error_status == 2) + goto yyexhaustedlab; + } +# undef YYSYNTAX_ERROR +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule whose action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined yyoverflow || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + } + /* Do not reclaim the symbols of the rule whose action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + return yyresult; +} + + + +void conf_parse(const char *name) +{ + struct symbol *sym; + int i; + + zconf_initscan(name); + + sym_init(); + _menu_init(); + rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL); + + if (getenv("ZCONF_DEBUG")) + zconfdebug = 1; + zconfparse(); + if (zconfnerrs) + exit(1); + if (!modules_sym) + modules_sym = sym_find( "n" ); + + rootmenu.prompt->text = _(rootmenu.prompt->text); + rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text); + + menu_finalize(&rootmenu); + for_all_symbols(i, sym) { + if (sym_check_deps(sym)) + zconfnerrs++; + } + if (zconfnerrs) + exit(1); + sym_set_change_count(1); +} + +static const char *zconf_tokenname(int token) +{ + switch (token) { + case T_MENU: return "menu"; + case T_ENDMENU: return "endmenu"; + case T_CHOICE: return "choice"; + case T_ENDCHOICE: return "endchoice"; + case T_IF: return "if"; + case T_ENDIF: return "endif"; + case T_DEPENDS: return "depends"; + case T_VISIBLE: return "visible"; + } + return ""; +} + +static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken) +{ + if (id->token != endtoken) { + zconf_error("unexpected '%s' within %s block", + kconf_id_strings + id->name, zconf_tokenname(starttoken)); + zconfnerrs++; + return false; + } + if (current_menu->file != current_file) { + zconf_error("'%s' in different file than '%s'", + kconf_id_strings + id->name, zconf_tokenname(starttoken)); + fprintf(stderr, "%s:%d: location of the '%s'\n", + current_menu->file->name, current_menu->lineno, + zconf_tokenname(starttoken)); + zconfnerrs++; + return false; + } + return true; +} + +static void zconfprint(const char *err, ...) +{ + va_list ap; + + fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno()); + va_start(ap, err); + vfprintf(stderr, err, ap); + va_end(ap); + fprintf(stderr, "\n"); +} + +static void zconf_error(const char *err, ...) +{ + va_list ap; + + zconfnerrs++; + fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno()); + va_start(ap, err); + vfprintf(stderr, err, ap); + va_end(ap); + fprintf(stderr, "\n"); +} + +static void zconferror(const char *err) +{ + fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err); +} + +static void print_quoted_string(FILE *out, const char *str) +{ + const char *p; + int len; + + putc('"', out); + while ((p = strchr(str, '"'))) { + len = p - str; + if (len) + fprintf(out, "%.*s", len, str); + fputs("\\\"", out); + str = p + 1; + } + fputs(str, out); + putc('"', out); +} + +static void print_symbol(FILE *out, struct menu *menu) +{ + struct symbol *sym = menu->sym; + struct property *prop; + + if (sym_is_choice(sym)) + fprintf(out, "\nchoice\n"); + else + fprintf(out, "\nconfig %s\n", sym->name); + switch (sym->type) { + case S_BOOLEAN: + fputs(" boolean\n", out); + break; + case S_TRISTATE: + fputs(" tristate\n", out); + break; + case S_STRING: + fputs(" string\n", out); + break; + case S_INT: + fputs(" integer\n", out); + break; + case S_HEX: + fputs(" hex\n", out); + break; + default: + fputs(" ???\n", out); + break; + } + for (prop = sym->prop; prop; prop = prop->next) { + if (prop->menu != menu) + continue; + switch (prop->type) { + case P_PROMPT: + fputs(" prompt ", out); + print_quoted_string(out, prop->text); + if (!expr_is_yes(prop->visible.expr)) { + fputs(" if ", out); + expr_fprint(prop->visible.expr, out); + } + fputc('\n', out); + break; + case P_DEFAULT: + fputs( " default ", out); + expr_fprint(prop->expr, out); + if (!expr_is_yes(prop->visible.expr)) { + fputs(" if ", out); + expr_fprint(prop->visible.expr, out); + } + fputc('\n', out); + break; + case P_CHOICE: + fputs(" #choice value\n", out); + break; + case P_SELECT: + fputs( " select ", out); + expr_fprint(prop->expr, out); + fputc('\n', out); + break; + case P_RANGE: + fputs( " range ", out); + expr_fprint(prop->expr, out); + fputc('\n', out); + break; + case P_MENU: + fputs( " menu ", out); + print_quoted_string(out, prop->text); + fputc('\n', out); + break; + default: + fprintf(out, " unknown prop %d!\n", prop->type); + break; + } + } + if (menu->help) { + int len = strlen(menu->help); + while (menu->help[--len] == '\n') + menu->help[len] = 0; + fprintf(out, " help\n%s\n", menu->help); + } +} + +void zconfdump(FILE *out) +{ + struct property *prop; + struct symbol *sym; + struct menu *menu; + + menu = rootmenu.list; + while (menu) { + if ((sym = menu->sym)) + print_symbol(out, menu); + else if ((prop = menu->prompt)) { + switch (prop->type) { + case P_COMMENT: + fputs("\ncomment ", out); + print_quoted_string(out, prop->text); + fputs("\n", out); + break; + case P_MENU: + fputs("\nmenu ", out); + print_quoted_string(out, prop->text); + fputs("\n", out); + break; + default: + ; + } + if (!expr_is_yes(prop->visible.expr)) { + fputs(" depends ", out); + expr_fprint(prop->visible.expr, out); + fputc('\n', out); + } + } + + if (menu->list) + menu = menu->list; + else if (menu->next) + menu = menu->next; + else while ((menu = menu->parent)) { + if (menu->prompt && menu->prompt->type == P_MENU) + fputs("\nendmenu\n", out); + if (menu->next) { + menu = menu->next; + break; + } + } + } +} + +#include "zconf.lex.c" +#include "util.c" +#include "confdata.c" +#include "expr.c" +#include "symbol.c" +#include "menu.c" diff --git a/programs/src/kconfig_parser/kconfig/zconf.y b/programs/src/kconfig_parser/kconfig/zconf.y new file mode 100644 index 0000000..0f683cf --- /dev/null +++ b/programs/src/kconfig_parser/kconfig/zconf.y @@ -0,0 +1,733 @@ +%{ +/* + * Copyright (C) 2002 Roman Zippel + * Released under the terms of the GNU GPL v2.0. + */ + +#include +#include +#include +#include +#include +#include + +#include "lkc.h" + +#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt) + +#define PRINTD 0x0001 +#define DEBUG_PARSE 0x0002 + +int cdebug = PRINTD; + +extern int zconflex(void); +static void zconfprint(const char *err, ...); +static void zconf_error(const char *err, ...); +static void zconferror(const char *err); +static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken); + +struct symbol *symbol_hash[SYMBOL_HASHSIZE]; + +static struct menu *current_menu, *current_entry; + +%} +%expect 30 + +%union +{ + char *string; + struct file *file; + struct symbol *symbol; + struct expr *expr; + struct menu *menu; + const struct kconf_id *id; +} + +%token T_MAINMENU +%token T_MENU +%token T_ENDMENU +%token T_SOURCE +%token T_CHOICE +%token T_ENDCHOICE +%token T_COMMENT +%token T_CONFIG +%token T_MENUCONFIG +%token T_HELP +%token T_HELPTEXT +%token T_IF +%token T_ENDIF +%token T_DEPENDS +%token T_OPTIONAL +%token T_PROMPT +%token T_TYPE +%token T_DEFAULT +%token T_SELECT +%token T_RANGE +%token T_VISIBLE +%token T_OPTION +%token T_ON +%token T_WORD +%token T_WORD_QUOTE +%token T_UNEQUAL +%token T_CLOSE_PAREN +%token T_OPEN_PAREN +%token T_EOL + +%left T_OR +%left T_AND +%left T_EQUAL T_UNEQUAL +%nonassoc T_NOT + +%type prompt +%type symbol +%type expr +%type if_expr +%type end +%type option_name +%type if_entry menu_entry choice_entry +%type symbol_option_arg word_opt + +%destructor { + fprintf(stderr, "%s:%d: missing end statement for this entry\n", + $$->file->name, $$->lineno); + if (current_menu == $$) + menu_end_menu(); +} if_entry menu_entry choice_entry + +%{ +/* Include zconf.hash.c here so it can see the token constants. */ +#include "zconf.hash.c" +%} + +%% +input: nl start | start; + +start: mainmenu_stmt stmt_list | stmt_list; + +stmt_list: + /* empty */ + | stmt_list common_stmt + | stmt_list choice_stmt + | stmt_list menu_stmt + | stmt_list end { zconf_error("unexpected end statement"); } + | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } + | stmt_list option_name error T_EOL +{ + zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name); +} + | stmt_list error T_EOL { zconf_error("invalid statement"); } +; + +option_name: + T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE +; + +common_stmt: + T_EOL + | if_stmt + | comment_stmt + | config_stmt + | menuconfig_stmt + | source_stmt +; + +option_error: + T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); } + | error T_EOL { zconf_error("invalid option"); } +; + + +/* config/menuconfig entry */ + +config_entry_start: T_CONFIG T_WORD T_EOL +{ + struct symbol *sym = sym_lookup($2, 0); + sym->flags |= SYMBOL_OPTIONAL; + menu_add_entry(sym); + printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2); +}; + +config_stmt: config_entry_start config_option_list +{ + menu_end_entry(); + printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno()); +}; + +menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL +{ + struct symbol *sym = sym_lookup($2, 0); + sym->flags |= SYMBOL_OPTIONAL; + menu_add_entry(sym); + printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2); +}; + +menuconfig_stmt: menuconfig_entry_start config_option_list +{ + if (current_entry->prompt) + current_entry->prompt->type = P_MENU; + else + zconfprint("warning: menuconfig statement without prompt"); + menu_end_entry(); + printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno()); +}; + +config_option_list: + /* empty */ + | config_option_list config_option + | config_option_list symbol_option + | config_option_list depends + | config_option_list help + | config_option_list option_error + | config_option_list T_EOL +; + +config_option: T_TYPE prompt_stmt_opt T_EOL +{ + menu_set_type($1->stype); + printd(DEBUG_PARSE, "%s:%d:type(%u)\n", + zconf_curname(), zconf_lineno(), + $1->stype); +}; + +config_option: T_PROMPT prompt if_expr T_EOL +{ + menu_add_prompt(P_PROMPT, $2, $3); + printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); +}; + +config_option: T_DEFAULT expr if_expr T_EOL +{ + menu_add_expr(P_DEFAULT, $2, $3); + if ($1->stype != S_UNKNOWN) + menu_set_type($1->stype); + printd(DEBUG_PARSE, "%s:%d:default(%u)\n", + zconf_curname(), zconf_lineno(), + $1->stype); +}; + +config_option: T_SELECT T_WORD if_expr T_EOL +{ + menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3); + printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno()); +}; + +config_option: T_RANGE symbol symbol if_expr T_EOL +{ + menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4); + printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); +}; + +symbol_option: T_OPTION symbol_option_list T_EOL +; + +symbol_option_list: + /* empty */ + | symbol_option_list T_WORD symbol_option_arg +{ + const struct kconf_id *id = kconf_id_lookup($2, strlen($2)); + if (id && id->flags & TF_OPTION) + menu_add_option(id->token, $3); + else + zconfprint("warning: ignoring unknown option %s", $2); + free($2); +}; + +symbol_option_arg: + /* empty */ { $$ = NULL; } + | T_EQUAL prompt { $$ = $2; } +; + +/* choice entry */ + +choice: T_CHOICE word_opt T_EOL +{ + struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE); + sym->flags |= SYMBOL_AUTO; + menu_add_entry(sym); + menu_add_expr(P_CHOICE, NULL, NULL); + printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno()); +}; + +choice_entry: choice choice_option_list +{ + $$ = menu_add_menu(); +}; + +choice_end: end +{ + if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) { + menu_end_menu(); + printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno()); + } +}; + +choice_stmt: choice_entry choice_block choice_end +; + +choice_option_list: + /* empty */ + | choice_option_list choice_option + | choice_option_list depends + | choice_option_list help + | choice_option_list T_EOL + | choice_option_list option_error +; + +choice_option: T_PROMPT prompt if_expr T_EOL +{ + menu_add_prompt(P_PROMPT, $2, $3); + printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); +}; + +choice_option: T_TYPE prompt_stmt_opt T_EOL +{ + if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) { + menu_set_type($1->stype); + printd(DEBUG_PARSE, "%s:%d:type(%u)\n", + zconf_curname(), zconf_lineno(), + $1->stype); + } else + YYERROR; +}; + +choice_option: T_OPTIONAL T_EOL +{ + current_entry->sym->flags |= SYMBOL_OPTIONAL; + printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno()); +}; + +choice_option: T_DEFAULT T_WORD if_expr T_EOL +{ + if ($1->stype == S_UNKNOWN) { + menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3); + printd(DEBUG_PARSE, "%s:%d:default\n", + zconf_curname(), zconf_lineno()); + } else + YYERROR; +}; + +choice_block: + /* empty */ + | choice_block common_stmt +; + +/* if entry */ + +if_entry: T_IF expr nl +{ + printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno()); + menu_add_entry(NULL); + menu_add_dep($2); + $$ = menu_add_menu(); +}; + +if_end: end +{ + if (zconf_endtoken($1, T_IF, T_ENDIF)) { + menu_end_menu(); + printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno()); + } +}; + +if_stmt: if_entry if_block if_end +; + +if_block: + /* empty */ + | if_block common_stmt + | if_block menu_stmt + | if_block choice_stmt +; + +/* mainmenu entry */ + +mainmenu_stmt: T_MAINMENU prompt nl +{ + menu_add_prompt(P_MENU, $2, NULL); +}; + +/* menu entry */ + +menu: T_MENU prompt T_EOL +{ + menu_add_entry(NULL); + menu_add_prompt(P_MENU, $2, NULL); + printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); +}; + +menu_entry: menu visibility_list depends_list +{ + $$ = menu_add_menu(); +}; + +menu_end: end +{ + if (zconf_endtoken($1, T_MENU, T_ENDMENU)) { + menu_end_menu(); + printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno()); + } +}; + +menu_stmt: menu_entry menu_block menu_end +; + +menu_block: + /* empty */ + | menu_block common_stmt + | menu_block menu_stmt + | menu_block choice_stmt +; + +source_stmt: T_SOURCE prompt T_EOL +{ + printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2); + zconf_nextfile($2); +}; + +/* comment entry */ + +comment: T_COMMENT prompt T_EOL +{ + menu_add_entry(NULL); + menu_add_prompt(P_COMMENT, $2, NULL); + printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); +}; + +comment_stmt: comment depends_list +{ + menu_end_entry(); +}; + +/* help option */ + +help_start: T_HELP T_EOL +{ + printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno()); + zconf_starthelp(); +}; + +help: help_start T_HELPTEXT +{ + current_entry->help = $2; +}; + +/* depends option */ + +depends_list: + /* empty */ + | depends_list depends + | depends_list T_EOL + | depends_list option_error +; + +depends: T_DEPENDS T_ON expr T_EOL +{ + menu_add_dep($3); + printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno()); +}; + +/* visibility option */ + +visibility_list: + /* empty */ + | visibility_list visible + | visibility_list T_EOL +; + +visible: T_VISIBLE if_expr +{ + menu_add_visibility($2); +}; + +/* prompt statement */ + +prompt_stmt_opt: + /* empty */ + | prompt if_expr +{ + menu_add_prompt(P_PROMPT, $1, $2); +}; + +prompt: T_WORD + | T_WORD_QUOTE +; + +end: T_ENDMENU T_EOL { $$ = $1; } + | T_ENDCHOICE T_EOL { $$ = $1; } + | T_ENDIF T_EOL { $$ = $1; } +; + +nl: + T_EOL + | nl T_EOL +; + +if_expr: /* empty */ { $$ = NULL; } + | T_IF expr { $$ = $2; } +; + +expr: symbol { $$ = expr_alloc_symbol($1); } + | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); } + | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); } + | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; } + | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); } + | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); } + | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); } +; + +symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); } + | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); } +; + +word_opt: /* empty */ { $$ = NULL; } + | T_WORD + +%% + +void conf_parse(const char *name) +{ + struct symbol *sym; + int i; + + zconf_initscan(name); + + sym_init(); + _menu_init(); + rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL); + + if (getenv("ZCONF_DEBUG")) + zconfdebug = 1; + zconfparse(); + if (zconfnerrs) + exit(1); + if (!modules_sym) + modules_sym = sym_find( "n" ); + + rootmenu.prompt->text = _(rootmenu.prompt->text); + rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text); + + menu_finalize(&rootmenu); + for_all_symbols(i, sym) { + if (sym_check_deps(sym)) + zconfnerrs++; + } + if (zconfnerrs) + exit(1); + sym_set_change_count(1); +} + +static const char *zconf_tokenname(int token) +{ + switch (token) { + case T_MENU: return "menu"; + case T_ENDMENU: return "endmenu"; + case T_CHOICE: return "choice"; + case T_ENDCHOICE: return "endchoice"; + case T_IF: return "if"; + case T_ENDIF: return "endif"; + case T_DEPENDS: return "depends"; + case T_VISIBLE: return "visible"; + } + return ""; +} + +static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken) +{ + if (id->token != endtoken) { + zconf_error("unexpected '%s' within %s block", + kconf_id_strings + id->name, zconf_tokenname(starttoken)); + zconfnerrs++; + return false; + } + if (current_menu->file != current_file) { + zconf_error("'%s' in different file than '%s'", + kconf_id_strings + id->name, zconf_tokenname(starttoken)); + fprintf(stderr, "%s:%d: location of the '%s'\n", + current_menu->file->name, current_menu->lineno, + zconf_tokenname(starttoken)); + zconfnerrs++; + return false; + } + return true; +} + +static void zconfprint(const char *err, ...) +{ + va_list ap; + + fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno()); + va_start(ap, err); + vfprintf(stderr, err, ap); + va_end(ap); + fprintf(stderr, "\n"); +} + +static void zconf_error(const char *err, ...) +{ + va_list ap; + + zconfnerrs++; + fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno()); + va_start(ap, err); + vfprintf(stderr, err, ap); + va_end(ap); + fprintf(stderr, "\n"); +} + +static void zconferror(const char *err) +{ + fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err); +} + +static void print_quoted_string(FILE *out, const char *str) +{ + const char *p; + int len; + + putc('"', out); + while ((p = strchr(str, '"'))) { + len = p - str; + if (len) + fprintf(out, "%.*s", len, str); + fputs("\\\"", out); + str = p + 1; + } + fputs(str, out); + putc('"', out); +} + +static void print_symbol(FILE *out, struct menu *menu) +{ + struct symbol *sym = menu->sym; + struct property *prop; + + if (sym_is_choice(sym)) + fprintf(out, "\nchoice\n"); + else + fprintf(out, "\nconfig %s\n", sym->name); + switch (sym->type) { + case S_BOOLEAN: + fputs(" boolean\n", out); + break; + case S_TRISTATE: + fputs(" tristate\n", out); + break; + case S_STRING: + fputs(" string\n", out); + break; + case S_INT: + fputs(" integer\n", out); + break; + case S_HEX: + fputs(" hex\n", out); + break; + default: + fputs(" ???\n", out); + break; + } + for (prop = sym->prop; prop; prop = prop->next) { + if (prop->menu != menu) + continue; + switch (prop->type) { + case P_PROMPT: + fputs(" prompt ", out); + print_quoted_string(out, prop->text); + if (!expr_is_yes(prop->visible.expr)) { + fputs(" if ", out); + expr_fprint(prop->visible.expr, out); + } + fputc('\n', out); + break; + case P_DEFAULT: + fputs( " default ", out); + expr_fprint(prop->expr, out); + if (!expr_is_yes(prop->visible.expr)) { + fputs(" if ", out); + expr_fprint(prop->visible.expr, out); + } + fputc('\n', out); + break; + case P_CHOICE: + fputs(" #choice value\n", out); + break; + case P_SELECT: + fputs( " select ", out); + expr_fprint(prop->expr, out); + fputc('\n', out); + break; + case P_RANGE: + fputs( " range ", out); + expr_fprint(prop->expr, out); + fputc('\n', out); + break; + case P_MENU: + fputs( " menu ", out); + print_quoted_string(out, prop->text); + fputc('\n', out); + break; + default: + fprintf(out, " unknown prop %d!\n", prop->type); + break; + } + } + if (menu->help) { + int len = strlen(menu->help); + while (menu->help[--len] == '\n') + menu->help[len] = 0; + fprintf(out, " help\n%s\n", menu->help); + } +} + +void zconfdump(FILE *out) +{ + struct property *prop; + struct symbol *sym; + struct menu *menu; + + menu = rootmenu.list; + while (menu) { + if ((sym = menu->sym)) + print_symbol(out, menu); + else if ((prop = menu->prompt)) { + switch (prop->type) { + case P_COMMENT: + fputs("\ncomment ", out); + print_quoted_string(out, prop->text); + fputs("\n", out); + break; + case P_MENU: + fputs("\nmenu ", out); + print_quoted_string(out, prop->text); + fputs("\n", out); + break; + default: + ; + } + if (!expr_is_yes(prop->visible.expr)) { + fputs(" depends ", out); + expr_fprint(prop->visible.expr, out); + fputc('\n', out); + } + } + + if (menu->list) + menu = menu->list; + else if (menu->next) + menu = menu->next; + else while ((menu = menu->parent)) { + if (menu->prompt && menu->prompt->type == P_MENU) + fputs("\nendmenu\n", out); + if (menu->next) { + menu = menu->next; + break; + } + } + } +} + +#include "zconf.lex.c" +#include "util.c" +#include "confdata.c" +#include "expr.c" +#include "symbol.c" +#include "menu.c" diff --git a/programs/src/kconfig_parser/kconfig_parser.c b/programs/src/kconfig_parser/kconfig_parser.c new file mode 100644 index 0000000..b757a8a --- /dev/null +++ b/programs/src/kconfig_parser/kconfig_parser.c @@ -0,0 +1,106 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "kconfig/lkc.h" +#include "symlist.h" +#include "boolexp.h" +#include "output.h" + +void kconfig_menu_walker(void (*solve) + (struct symbol * sym)); + +void solve_names(struct symbol *sym); +void solve_dep(struct symbol *sym); + +struct symlist *gsymlist; +int noname_num; + +int main(int argc, char **argv) { + + if (argc < 2) { + printf("No input file specified\n"); + exit(1); + } + if (argc < 3) { + printf("No output folder specified\n"); + exit(2); + } + + setlocale(LC_ALL, ""); + bindtextdomain(PACKAGE, LOCALEDIR); + textdomain(PACKAGE); + + conf_parse(argv[1]); + sym_clear_all_valid(); + + gsymlist = symlist_create(); + + kconfig_menu_walker(solve_names); + kconfig_menu_walker(solve_dep); + + char *rules_file, *symbol_map_file; + asprintf(&rules_file, "%s/%s", argv[2], DEFAULT_RULES_FILE); + asprintf(&symbol_map_file, "%s/%s", argv[2], DEFAULT_SYMBOL_MAP_FILE); + fprint_rules(gsymlist, rules_file); + fprint_symbol_map(gsymlist, symbol_map_file); +} + +void kconfig_menu_walker(void (*solve) (struct symbol * sym)) { + struct menu *menu; + struct symbol *sym; + menu = rootmenu.list; + + while (menu != NULL) { + sym = menu->sym; + if (sym != NULL) { + do { + if (sym->type == S_BOOLEAN || sym->type == S_TRISTATE) { + solve(sym); + } + } while ((sym = sym->next) != NULL); + } + // switch to menu + if (menu->list != NULL) { + menu = menu->list; + } else if (menu->next != NULL) { + menu = menu->next; + } else { + while ((menu = menu->parent) != NULL) { + if (menu->next != NULL) { + menu = menu->next; + break; + } + } + } + } +} + +void solve_names(struct symbol *sym) { + if (sym->name != NULL) { + if (symlist_find(gsymlist, sym->name) == NULL) + symlist_add(gsymlist, sym->name); + } else { + sym->name = malloc((9 + 7) * sizeof(char)); + sprintf(sym->name, "NONAMEGEN%d", noname_num++); + symlist_add(gsymlist, sym->name); + } +} + +void solve_dep(struct symbol *sym) { + if (sym->dir_dep.expr != NULL) { + struct symlist_el *el; + el = symlist_find(gsymlist, sym->name); + el->be = copy_kconfig_dep(gsymlist, sym->dir_dep.expr); + if (el->be != NULL) + el->be = boolexp_cnf(el->be); + } +} diff --git a/programs/src/kconfig_parser/output.c b/programs/src/kconfig_parser/output.c new file mode 100644 index 0000000..5dd848b --- /dev/null +++ b/programs/src/kconfig_parser/output.c @@ -0,0 +1,82 @@ +#include "output.h" + +void fprint_rules(struct symlist *sl, char* output) { + FILE *f; + f = fopen(output, "w"); + if (f == NULL) { + fprintf(stderr, "Can't create file: %s\n", output); + return; + } + int i; + struct symlist_el *el; + struct boolexp *be; + struct boolexp **stack; + size_t stack_size = 2, stack_pos = 0; + int count_or, count_and; + stack = malloc(stack_size * sizeof(struct boolexp *)); + for (i = 0; i < sl->pos; i++) { + if (sl->array[i].be != NULL) { + el = sl->array + i; + be = el->be; + stack_pos = 0; + count_or = 0; + count_and = 0; + fprintf(f, "-%d ", el->id); + while (be != NULL) { + if (stack_pos >= stack_size) { + stack_size *= 2; + stack = + realloc(stack, + stack_size * sizeof(struct boolexp *)); + } + switch (be->type) { + case BE_NOT: + fprintf(f, "-"); + be = be->left.be; + break; + case BE_AND: + count_and++; + stack[stack_pos++] = be->right.be; + be = be->left.be; + break; + case BE_OR: + count_or++; + stack[stack_pos++] = be->right.be; + be = be->left.be; + break; + case BE_LEAF: + fprintf(f, "%d", be->left.id); + if (count_or > 0) { + fprintf(f, " "); + count_or--; + } else if (count_and > 0) { + fprintf(f, "\n-%d ", el->id); + count_and--; + } + if (stack_pos > 0) + be = stack[--stack_pos]; + else + be = NULL; + break; + } + } + fprintf(f, "\n"); + } + } + free(stack); + fclose(f); +} + +void fprint_symbol_map(struct symlist *sl, char* output) { + FILE *f; + f = fopen(output, "w"); + if (f == NULL) { + fprintf(stderr, "Can't create file: %s\n", output); + return; + } + int i; + for (i = 0; i < sl->pos; i++) { + fprintf(f, "%d %s\n", sl->array[i].id, sl->array[i].name); + } + fclose(f); +} diff --git a/programs/src/kconfig_parser/output.h b/programs/src/kconfig_parser/output.h new file mode 100644 index 0000000..a4686e3 --- /dev/null +++ b/programs/src/kconfig_parser/output.h @@ -0,0 +1,14 @@ +#ifndef _OUTPUT_H_ +#define _OUTPUT_H_ + +#include +#include +#include "symlist.h" + +#define DEFAULT_RULES_FILE "rules" +#define DEFAULT_SYMBOL_MAP_FILE "symbol_map" + +void fprint_rules(struct symlist *sl, char* output); +void fprint_symbol_map(struct symlist *sl, char* output); + +#endif /* _OUTPUT_H_ */ diff --git a/programs/src/kconfig_parser/symlist.c b/programs/src/kconfig_parser/symlist.c new file mode 100644 index 0000000..7dcd2c6 --- /dev/null +++ b/programs/src/kconfig_parser/symlist.c @@ -0,0 +1,49 @@ +#include "symlist.h" + +struct symlist *symlist_create() { + struct symlist *ret; + ret = malloc(sizeof(struct symlist)); + ret->size = 2; + ret->pos = 0; + ret->array = malloc(ret->size * sizeof(struct symlist_el)); + return ret; +} + +void symlist_add(struct symlist *sl, char *name) { + if (sl->pos >= sl->size) { + sl->size *= 2; + sl->array = + realloc(sl->array, sl->size * sizeof(struct symlist_el)); + } + sl->array[sl->pos].id = sl->pos + 1; + sl->array[sl->pos].name = name; + sl->array[sl->pos].be = NULL; + sl->pos++; +} + +struct symlist_el *symlist_find(struct symlist *sl, char *name) { + int i = 0; + while (i < sl->pos) { + if (!strcmp(name, sl->array[i].name)) + return &sl->array[i]; + i++; + } + return NULL; +} + +void symlist_print(struct symlist *sl) { + int i; + for (i = 0; i < sl->pos; i++) { + printf("%d:%s\n", sl->array[i].id, sl->array[i].name); + if (sl->array[i].be != NULL) { + printf(" "); + boolexp_print(sl->array[i].be); + printf("\n"); + } + } +} + +void symlist_free(struct symlist *sl) { + free(sl->array); + free(sl); +} diff --git a/programs/src/kconfig_parser/symlist.h b/programs/src/kconfig_parser/symlist.h new file mode 100644 index 0000000..caa827a --- /dev/null +++ b/programs/src/kconfig_parser/symlist.h @@ -0,0 +1,24 @@ +#ifndef _SYMLIST_H_ +#define _SYMLIST_H_ + +#include +#include +#include "boolexp.h" + +struct symlist_el { + unsigned int id; + char *name; + struct boolexp *be; +}; +struct symlist { + struct symlist_el *array; + size_t size, pos; +}; + +struct symlist *symlist_create(); +void symlist_add(struct symlist *sl, char *name); +struct symlist_el *symlist_find(struct symlist *sl, char *name); +void symlist_print(struct symlist *sl); +void symlist_free(struct symlist *sl); + +#endif /* _SYMLIST_H_ */ -- cgit v1.2.3