From 6c09f661b83dd13a8403243c1441efa5c4900538 Mon Sep 17 00:00:00 2001
From: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Date: Thu, 22 Aug 2019 13:47:41 +0200
Subject: In include, use content from editor if file is already open.

This allows to assemble from modified include files without
need to save their content the first.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
---
 qtmips_asm/simpleasm.cpp | 34 +++++++++++++++++++++++++---------
 qtmips_asm/simpleasm.h   | 10 ++++++----
 2 files changed, 31 insertions(+), 13 deletions(-)

(limited to 'qtmips_asm')

diff --git a/qtmips_asm/simpleasm.cpp b/qtmips_asm/simpleasm.cpp
index ad720b9..223b34d 100644
--- a/qtmips_asm/simpleasm.cpp
+++ b/qtmips_asm/simpleasm.cpp
@@ -256,16 +256,9 @@ bool SimpleAsm::process_line(QString line, QString filename,
             error = QString("recursive include of file: \"%1\"").arg(incname);
             res = false;
         } else {
-            QFile incfile(incname);
-            if (!incfile.open(QFile::ReadOnly | QFile::Text)) {
-                error = QString("cannot open file: \"%1\"").arg(incname);
+            if (!process_file(incname, error_ptr)) {
                 res = false;
-            } else for (int ln = 1; !incfile.atEnd(); ln++) {
-                QString line = incfile.readLine();
-                if (!process_line(line, incname, ln, error_ptr)) {
-                    res = false;
-                    break;
-                }
+                error = QString("error in included file: \"%1\"").arg(incname);
             }
         }
         if (!res) {
@@ -567,6 +560,29 @@ bool SimpleAsm::process_line(QString line, QString filename,
     return true;
 }
 
+bool SimpleAsm::process_file(QString filename, QString *error_ptr) {
+    QString error;
+    bool res = true;
+    QFile srcfile(filename);
+    if (!srcfile.open(QFile::ReadOnly | QFile::Text)) {
+        error = QString("cannot open file: \"%1\"").arg(filename);
+        emit report_message(messagetype::MSG_ERROR, "", 0, 0, error, "");
+        error_occured = true;
+        if (error_ptr != nullptr)
+            *error_ptr = error;
+        return false;
+    }
+    for (int ln = 1; !srcfile.atEnd(); ln++) {
+        QString line = srcfile.readLine();
+        if ((line.count() > 0) && (line.at(line.count() - 1) == '\n'))
+            line.truncate(line.count() - 1);
+        if (!process_line(line, filename, ln, error_ptr))
+            res = false;
+    }
+    srcfile.close();
+    return res;
+}
+
 bool SimpleAsm::finish(QString *error_ptr) {
     bool error_reported = false;
     foreach(machine::RelocExpression *r, reloc) {
diff --git a/qtmips_asm/simpleasm.h b/qtmips_asm/simpleasm.h
index f97904d..ac06ca1 100644
--- a/qtmips_asm/simpleasm.h
+++ b/qtmips_asm/simpleasm.h
@@ -36,8 +36,8 @@
 #ifndef  SIMPLEASM_H
 #define  SIMPLEASM_H
 
-#include  <QString>
-#include  <QStringList>
+#include <QString>
+#include <QStringList>
 #include "fixmatheval.h"
 #include "qtmipsmachine.h"
 #include "messagetype.h"
@@ -71,11 +71,13 @@ public:
     void setup(machine::MemoryAccess *mem, SymbolTableDb *symtab, std::uint32_t address);
     bool process_line(QString line, QString filename = "",
                       int line_number = 0, QString *error_ptr = nullptr);
+    virtual bool process_file(QString filename, QString *error_ptr = nullptr);
     bool finish(QString *error_ptr = nullptr);
-private:
-    QStringList include_stack;
+protected:
     bool error_occured;
     bool fatal_occured;
+private:
+    QStringList include_stack;
     SymbolTableDb *symtab;
     machine::MemoryAccess *mem;
     machine::RelocExpressionList reloc;
-- 
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