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