forked from qt-creator/qt-creator
137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#include "Preprocessor.h"
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#include <AST.h>
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#include <ASTVisitor.h>
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#include <Control.h>
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#include <Scope.h>
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#include <Semantic.h>
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#include <TranslationUnit.h>
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#include <Literals.h>
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#include <Symbols.h>
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#include <Names.h>
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#include <CoreTypes.h>
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#include <string>
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#include <cstdlib>
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#include <sstream>
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using namespace CPlusPlus;
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enum { BLOCK_SIZE = 4 * 1024};
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void parse(const char *fileName, const char *source, unsigned size);
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int runWithSystemPreprocessor(int argc, char *argv[]);
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int runWithNewPreprocessor(int argc, char *argv[]);
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int main(int argc, char *argv[])
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{
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if (getenv("CPLUSPLUS_WITH_NEW_PREPROCESSOR"))
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return runWithNewPreprocessor(argc, argv);
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return runWithSystemPreprocessor(argc, argv);
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}
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int runWithSystemPreprocessor(int argc, char *argv[])
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{
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std::string cmdline;
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cmdline += "gcc -E -xc++ -U__BLOCKS__";
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for (int i = 1; i < argc; ++i) {
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cmdline += ' ';
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cmdline += argv[i];
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}
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char block[BLOCK_SIZE];
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std::string preprocessedCode;
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if (FILE *fp = popen(cmdline.c_str(), "r")) {
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while (size_t sz = fread(block, 1, BLOCK_SIZE, fp))
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preprocessedCode.append(block, sz);
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pclose(fp);
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} else {
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fprintf(stderr, "c++: No such file or directory\n");
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return EXIT_FAILURE;
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}
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parse("<stdin>", preprocessedCode.c_str(), preprocessedCode.size());
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return EXIT_SUCCESS;
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}
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int runWithNewPreprocessor(int argc, char *argv[])
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{
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if (argc == 1) {
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fprintf(stderr, "c++: No such file or directory\n");
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return EXIT_FAILURE;
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}
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char block[BLOCK_SIZE];
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std::string source;
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if (FILE *fp = fopen(argv[1], "r")) {
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while (size_t sz = fread(block, 1, BLOCK_SIZE, fp))
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source.append(block, sz);
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fclose(fp);
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} else {
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fprintf(stderr, "c++: No such file or directory\n");
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return EXIT_FAILURE;
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}
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std::ostringstream out;
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Preprocessor pp(out);
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pp(source.c_str(), source.size(), StringRef(argv[1]));
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const std::string preprocessedCode = out.str();
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parse(argv[1], preprocessedCode.c_str(), preprocessedCode.size());
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return EXIT_SUCCESS;
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}
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void parse(const char *fileName, const char *source, unsigned size)
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{
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Control control;
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TranslationUnit unit(&control, control.findOrInsertStringLiteral(fileName));
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unit.setSource(source, size);
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unit.parse();
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if (TranslationUnitAST *ast = unit.ast()->asTranslationUnit()) {
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Semantic sem(&unit);
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Namespace *globalNamespace = control.newNamespace(0);
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for (List<DeclarationAST *> *it = ast->declaration_list; it; it = it->next) {
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sem.check(it->value, globalNamespace->members());
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}
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}
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}
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