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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Linguist of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "lupdatepreprocessoraction.h"
#include <clang/Lex/MacroArgs.h>
#include <clang/Basic/TokenKinds.h>
QT_BEGIN_NAMESPACE
void LupdatePPCallbacks::MacroExpands(const clang::Token &token,
const clang::MacroDefinition ¯oDefinition, clang::SourceRange sourceRange,
const clang::MacroArgs *macroArgs)
{
const auto &sm = m_preprocessor.getSourceManager();
llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin());
if (fileName != m_inputFile)
return;
const QString funcName = QString::fromStdString(m_preprocessor.getSpelling(token));
switch (trFunctionAliasManager.trFunctionByName(funcName)) {
default:
return;
case TrFunctionAliasManager::Function_Q_DECLARE_TR_FUNCTIONS:
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP3:
case TrFunctionAliasManager::Function_QT_TRID_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP3:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP_UTF8:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP3_UTF8:
qCDebug(lcClang) << "MacroExpands: Function name:" << funcName;
break;
}
TranslationRelatedStore store;
store.callType = QStringLiteral("MacroExpands");
store.funcName = funcName;
store.lupdateLocationFile = QString::fromStdString(fileName);
store.lupdateLocationLine = sm.getExpansionLineNumber(sourceRange.getBegin());
store.locationCol = sm.getExpansionColumnNumber(sourceRange.getBegin());
if (macroArgs) {
std::vector<QString> arguments(macroArgs->getNumMacroArguments());
for (unsigned i = 0; i < macroArgs->getNumMacroArguments(); i++) {
auto preExpArguments = const_cast<clang::MacroArgs*>(macroArgs)->getPreExpArgument(i,
m_preprocessor);
QString temp;
bool errorArgument = false;
for (const auto &preExpArgument : preExpArguments) {
const auto kind = preExpArgument.getKind();
switch (trFunctionAliasManager.trFunctionByName(funcName)) {
default:
break;
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP3:
case TrFunctionAliasManager::Function_QT_TRID_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP3:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP_UTF8:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP3_UTF8:
if (!clang::tok::isStringLiteral(kind))
errorArgument = true;
break;
}
if (errorArgument)
break;
if (clang::tok::isStringLiteral(kind))
temp += LupdatePrivate::cleanQuote(m_preprocessor.getSpelling(preExpArgument));
else
temp += QString::fromStdString(m_preprocessor.getSpelling(preExpArgument));
}
arguments[i] = temp;
}
storeMacroArguments(arguments, &store);
}
if (store.isValid())
m_ppStores.emplace_back(std::move(store));
}
void LupdatePPCallbacks::storeMacroArguments(const std::vector<QString> &args,
TranslationRelatedStore *store)
{
switch (trFunctionAliasManager.trFunctionByName(store->funcName)) {
// only one argument: the context with no "
case TrFunctionAliasManager::Function_Q_DECLARE_TR_FUNCTIONS:
if (args.size() == 1)
store->contextArg = args[0];
break;
// two arguments: the context and the source
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP3:
Q_FALLTHROUGH();
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP_UTF8:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP3:
case TrFunctionAliasManager::Function_QT_TRANSLATE_NOOP3_UTF8:
if (args.size() >= 2) {
store->contextArg = args[0];
store->lupdateSource = args[1];
}
if (args.size() == 3)
store->lupdateComment = args[2];
break;
// only one argument (?) the message Id
case TrFunctionAliasManager::Function_QT_TRID_N_NOOP:
Q_FALLTHROUGH();
case TrFunctionAliasManager::Function_qtTrId:
case TrFunctionAliasManager::Function_QT_TRID_NOOP:
if (args.size() == 1)
store->lupdateId = args[0];
break;
}
}
// Hook called when a source range is skipped.
// Emit a warning if translation information is found within this range.
void LupdatePPCallbacks::SourceRangeSkipped(clang::SourceRange sourceRange,
clang::SourceLocation endifLoc)
{
const auto &sm = m_preprocessor.getSourceManager();
llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin());
if (fileName != m_inputFile)
return;
const char *begin = sm.getCharacterData(sourceRange.getBegin());
const char *end = sm.getCharacterData(sourceRange.getEnd());
llvm::StringRef skippedText = llvm::StringRef(begin, end - begin);
if (ClangCppParser::containsTranslationInformation(skippedText)) {
qCDebug(lcClang) << "SourceRangeSkipped: skipped text:" << skippedText;
unsigned int beginLine = sm.getExpansionLineNumber(sourceRange.getBegin());
unsigned int endLine = sm.getExpansionLineNumber(sourceRange.getEnd());
qWarning("Code with translation information has been skipped "
"in file %s between lines %d and %d",
m_inputFile.c_str(), beginLine, endLine);
}
}
QT_END_NAMESPACE
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