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-rw-r--r--scripts/parse_kconfig/cnfbuild.c33
-rw-r--r--scripts/parse_kconfig/parse.c232
2 files changed, 146 insertions, 119 deletions
diff --git a/scripts/parse_kconfig/cnfbuild.c b/scripts/parse_kconfig/cnfbuild.c
index 398a934..26a9265 100644
--- a/scripts/parse_kconfig/cnfbuild.c
+++ b/scripts/parse_kconfig/cnfbuild.c
@@ -14,14 +14,10 @@ void cnf_or(struct symlist *sl, struct boolexpr *bl);
void cnf_not(struct symlist *sl, struct boolexpr *bl);
void cnf_boolexpr(struct symlist *sl, struct boolexpr *bl) {
- if (bl->type == BT_TRUE) {
- // Term is always true. No write required.
+ if (bl->type == BT_TRUE || bl->type == BT_FALSE)
+ return;
+ if (bl->id != 0)
return;
- } else if (bl->type == BT_FALSE) {
- fprintf(stderr,
- "E: Trying to write false term. This shouldn't happen.\n");
- exit(6);
- }
struct stck *stack = stack_create();
while (bl != NULL) {
@@ -131,13 +127,18 @@ void cnf_or(struct symlist *sl, struct boolexpr *bl) {
void cnf_not(struct symlist *sl, struct boolexpr *bl) {
if (bl->id != 0)
return;
- bl->id = symlist_adddummy(sl);
- // bl->id <-> !bl->left->id
- // (bl->id || bl->left->id) && (!bl->id || !bl->left->id)
- output_rules_symbol((int) bl->id);
- output_rules_symbol((int) bl->left->id);
- output_rules_endterm();
- output_rules_symbol(-(int) bl->id);
- output_rules_symbol(-(int) bl->left->id);
- output_rules_endterm();
+ bl->id = -1 * bl->left->id;
+ /*
+ bl->id = symlist_adddummy(sl);
+ // bl->id <-> !bl->left->id
+ // (bl->id || bl->left->id) && (!bl->id || !bl->left->id)
+ output_rules_symbol((int) bl->id);
+ output_rules_symbol((int) bl->left->id);
+ output_rules_endterm();
+ output_rules_symbol(-(int) bl->id);
+ output_rules_symbol(-(int) bl->left->id);
+ output_rules_endterm();
+ output_rules_symbol((int) bl->id);
+ output_rules_symbol((int) bl->left->id);
+ */
}
diff --git a/scripts/parse_kconfig/parse.c b/scripts/parse_kconfig/parse.c
index b8aded2..9b6c1cb 100644
--- a/scripts/parse_kconfig/parse.c
+++ b/scripts/parse_kconfig/parse.c
@@ -93,12 +93,13 @@ void cpy_dep() {
struct symbol *sym;
struct property *prop;
struct symlist_el *el;
- struct boolexpr *pw;
unsigned el_id;
+ struct boolexpr *boolsym;
for_all_symbols(i, sym) {
if (sym->type == S_BOOLEAN || sym->type == S_TRISTATE) {
el_id = symlist_id(gsymlist, sym->name);
el = &(gsymlist->array[el_id - 1]);
+ boolsym = boolexpr_sym(gsymlist, sym, false);
Iprintf("Processing: %s\n", sym->name);
// Visibility
for_all_prompts(sym, prop) {
@@ -160,117 +161,142 @@ void cpy_dep() {
boolexpr_kconfig(gsymlist, sym->rev_dep.expr, false);
} else
el->rev_dep = boolexpr_false();
- choice_exception:
- // Add exclusive rules for choice symbol
- if (sym_is_choice(sym)) {
- if (sym->rev_dep.expr != NULL) {
- Dprintf(" Dependency:\n");
- doutput_expr(sym->rev_dep.expr);
- el->rev_dep =
- boolexpr_kconfig(gsymlist,
- sym->rev_dep.expr, true);
- } else
- el->rev_dep = boolexpr_true();
- for_all_choices(sym, prop) {
- struct symbol *symw;
- struct expr *exprw;
- unsigned *symx = NULL;
- size_t symx_size = 0;
- int x, y;
- expr_list_for_each_sym(prop->expr, exprw, symw) {
- symx_size++;
- symx = realloc(symx, symx_size * sizeof(unsigned));
- symx[symx_size - 1] =
- symlist_id(gsymlist, symw->name);
- output_rules_symbol(symx[symx_size - 1]);
- }
- output_rules_symbol(-(int)
- el_id);
- output_rules_endterm();
- for (x = 0; x < symx_size - 1; x++) {
- for (y = x + 1; y < symx_size; y++) {
- output_rules_symbol(-(int)
- symx[x]);
- output_rules_symbol(-(int)
- symx[y]);
- output_rules_endterm();
- }
- }
- free(symx);
- symx = NULL;
+
+ if (el->dep->type != BT_FALSE && el->dep->type != BT_TRUE)
+ cnf_boolexpr(gsymlist, el->dep);
+ if (el->rev_dep->type != BT_FALSE
+ && el->rev_dep->type != BT_TRUE)
+ cnf_boolexpr(gsymlist, el->rev_dep);
+ if (el->def->type != BT_FALSE && el->def->type != BT_TRUE)
+ cnf_boolexpr(gsymlist, el->def);
+ if (el->vis->type != BT_FALSE && el->vis->type != BT_TRUE)
+ cnf_boolexpr(gsymlist, el->vis);
+ // (!sym || dep) && (sym || !rev_dep) &&
+ // && (sym || !dep || !def || vis) &&
+ // (!sym || rev_dep || def || vis)
+ if (el->dep->type != BT_TRUE) {
+ output_rules_symbol(-1 * boolsym->id);
+ if (el->dep->type != BT_FALSE) {
+ output_rules_symbol(el->dep->id);
+ }
+ output_rules_endterm();
+ }
+ if (el->rev_dep->type != BT_FALSE) {
+ output_rules_symbol(boolsym->id);
+ if (el->rev_dep->type != BT_TRUE) {
+ output_rules_symbol(-1 * el->rev_dep->id);
}
- struct boolexpr *boolsym = boolexpr_sym(gsymlist, sym,
- false);
- if (!sym_is_optional(sym)) {
- boolexpr_copy(boolsym);
- boolexpr_copy(el->vis);
+ output_rules_endterm();
+ }
+ if (el->dep->type != BT_FALSE && el->def->type != BT_FALSE
+ && el->vis->type != BT_TRUE) {
+ output_rules_symbol(boolsym->id);
+ if (el->dep->type != BT_TRUE) {
+ output_rules_symbol(-1 * el->dep->id);
}
- struct boolexpr *boolsym_not = boolexpr_not(boolsym);
- boolexpr_copy(boolsym_not);
- boolexpr_copy(el->rev_dep);
- struct boolexpr *notrev_dep = boolexpr_not(el->rev_dep);
- if (!sym_is_optional(sym)) {
- boolexpr_copy(notrev_dep);
+ if (el->def->type != BT_TRUE) {
+ output_rules_symbol(-1 * el->def->id);
}
- struct boolexr *w1 = boolexpr_or(boolsym_not, el->rev_dep);
- struct boolexpr *w2 = boolexpr_or(boolsym_not, notrev_dep);
- w2 = boolexpr_or(w2, el->vis);
- pw = boolexpr_and(w1, w2);
- if (!sym_is_optional(sym)) {
- struct boolexpr *w3 = boolexpr_not(el->vis);
- w3 = boolexpr_or(w3, notrev_dep);
- w3 = boolexpr_or(w3, boolsym);
- pw = boolexpr_and(pw, w3);
+ if (el->vis->type != BT_FALSE) {
+ output_rules_symbol(el->vis->id);
}
-
- goto pw_solve;
+ output_rules_endterm();
+ }
+ if (el->rev_dep->type != BT_TRUE && el->def->type != BT_TRUE
+ && el->vis->type != BT_TRUE) {
+ output_rules_symbol(-1 * boolsym->id);
+ if (el->rev_dep->type != BT_FALSE) {
+ output_rules_symbol(el->rev_dep->id);
+ }
+ if (el->def->type != BT_FALSE) {
+ output_rules_symbol(el->def->id);
+ }
+ if (el->vis->type != BT_FALSE) {
+ output_rules_symbol(el->vis->id);
+ }
+ output_rules_endterm();
}
- struct boolexpr *boolsym = boolexpr_sym(gsymlist, sym,
- false);
- boolexpr_copy(boolsym);
- struct boolexpr *boolsym_not = boolexpr_not(boolsym);
- boolexpr_copy(boolsym);
- boolexpr_copy(boolsym_not);
- boolexpr_copy(el->vis);
- boolexpr_copy(el->def);
- boolexpr_copy(el->dep);
- boolexpr_copy(el->rev_dep);
- // (!sym || dep) && (sym || !rev_dep) &&
- // && (sym || !dep || !def || vis) &&
- // (!sym || rev_dep || def || vis)
- struct boolexpr *w1 = boolexpr_or(boolsym_not,
- el->dep);
- struct boolexpr *w2 = boolexpr_or(boolsym,
- boolexpr_not(el->rev_dep));
- struct boolexpr *w3 = boolexpr_or(boolsym,
- boolexpr_not(el->dep));
- w3 = boolexpr_or(w3, boolexpr_not(el->def));
- w3 = boolexpr_or(w3, el->vis);
- struct boolexpr *w4 = boolexpr_or(boolsym_not,
- el->rev_dep);
- w4 = boolexpr_or(w4, el->def);
- w4 = boolexpr_or(w4, el->vis);
+ boolexpr_free(el->def);
+ boolexpr_free(el->vis);
+ boolexpr_free(el->dep);
+ boolexpr_free(el->rev_dep);
+
+ continue;
- pw = boolexpr_and(w1, w2);
- pw = boolexpr_and(w3, pw);
- pw = boolexpr_and(w4, pw);
- pw_solve:
- Dprintf(" CNF:\n");
- doutput_boolexpr(pw, gsymlist);
- cnf_boolexpr(gsymlist, pw);
- switch (pw->type) {
- case BT_TRUE:
- break;
- case BT_FALSE:
- Eprintf
- ("E: Root terms is false. This shouldn't happen.\n");
- break;
- default:
- output_rules_symbol((int) pw->id);
+ choice_exception:
+ // Add exclusive rules for choice symbol
+ if (sym->rev_dep.expr != NULL) {
+ Dprintf(" Dependency:\n");
+ doutput_expr(sym->rev_dep.expr);
+ el->rev_dep =
+ boolexpr_kconfig(gsymlist, sym->rev_dep.expr, true);
+ } else
+ el->rev_dep = boolexpr_true();
+ for_all_choices(sym, prop) {
+ struct symbol *symw;
+ struct expr *exprw;
+ unsigned *symx = NULL;
+ size_t symx_size = 0;
+ int x, y;
+ expr_list_for_each_sym(prop->expr, exprw, symw) {
+ symx_size++;
+ symx = realloc(symx, symx_size * sizeof(unsigned));
+ symx[symx_size - 1] = symlist_id(gsymlist, symw->name);
+ output_rules_symbol(symx[symx_size - 1]);
+ }
+ output_rules_symbol(-(int)
+ el_id);
+ output_rules_endterm();
+ for (x = 0; x < symx_size - 1; x++) {
+ for (y = x + 1; y < symx_size; y++) {
+ output_rules_symbol(-(int)
+ symx[x]);
+ output_rules_symbol(-(int)
+ symx[y]);
+ output_rules_endterm();
+ }
+ }
+ free(symx);
+ symx = NULL;
+ }
+ if (el->rev_dep->type != BT_FALSE && el->rev_dep->type != BT_TRUE)
+ cnf_boolexpr(gsymlist, el->rev_dep);
+ if (el->vis->type != BT_FALSE && el->vis->type != BT_TRUE)
+ cnf_boolexpr(gsymlist, el->vis);
+ // (!sym || rev_dep) && (!sym || !rev_dep || vis)
+ // For nonoptional add:
+ // (sym || !rev_dep || !vis)
+ if (el->rev_dep->type != BT_TRUE) {
+ output_rules_symbol(-1 * boolsym->id);
+ if (el->rev_dep->type != BT_FALSE) {
+ output_rules_symbol(el->rev_dep->id);
+ }
+ output_rules_endterm();
+ }
+ if (el->rev_dep->type != BT_FALSE && el->vis->type != BT_TRUE) {
+ output_rules_symbol(-1 * boolsym->id);
+ if (el->rev_dep->type != BT_TRUE) {
+ output_rules_symbol(-1 * el->rev_dep->id);
+ }
+ if (el->vis != BT_FALSE) {
+ output_rules_symbol(el->vis->id);
+ }
output_rules_endterm();
}
- boolexpr_free(pw);
+ if (!sym_is_optional(sym)) {
+ if (el->rev_dep->type != BT_FALSE
+ && el->vis->type != BT_FALSE) {
+ output_rules_symbol(boolsym->id);
+ if (el->rev_dep->type != BT_TRUE) {
+ output_rules_symbol(-1 * el->rev_dep->id);
+ }
+ if (el->vis->type != BT_TRUE) {
+ output_rules_symbol(-1 * el->vis->id);
+ }
+ output_rules_endterm();
+ }
+ }
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 09:14:40 +0000