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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "lupdatepreprocessoraction.h"
#include "filesignificancecheck.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)
{
Q_UNUSED(macroDefinition);
const auto &sm = m_preprocessor.getSourceManager();
llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin());
if (!LupdatePrivate::isFileSignificant(fileName.str()))
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:
case TrFunctionAliasManager::Function_QT_TR_NOOP:
case TrFunctionAliasManager::Function_QT_TR_NOOP_UTF8:
case TrFunctionAliasManager::Function_QT_TR_N_NOOP:
qCDebug(lcClang) << "MacroExpands: Function name:" << funcName;
break;
}
TranslationRelatedStore store;
store.callType = QStringLiteral("MacroExpands");
store.funcName = funcName;
store.lupdateLocationFile = toQt(fileName);
store.lupdateInputFile = toQt(m_inputFile);
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:
case TrFunctionAliasManager::Function_QT_TR_NOOP_UTF8:
case TrFunctionAliasManager::Function_QT_TR_NOOP:
case TrFunctionAliasManager::Function_QT_TR_N_NOOP:
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;
qCDebug(lcClang) << "*********** macro argument : " << 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;
case TrFunctionAliasManager::Function_QT_TR_NOOP_UTF8:
case TrFunctionAliasManager::Function_QT_TR_NOOP:
case TrFunctionAliasManager::Function_QT_TR_N_NOOP:
if (args.size() >= 1)
store->lupdateSource = args[0];
break;
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP:
case TrFunctionAliasManager::Function_QT_TRANSLATE_N_NOOP3:
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:
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)
{
Q_UNUSED(endifLoc);
const auto &sm = m_preprocessor.getSourceManager();
llvm::StringRef fileName = sm.getFilename(sourceRange.getBegin());
if (!LupdatePrivate::isFileSignificant(fileName.str()))
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::stringContainsTranslationInformation(skippedText)) {
qCDebug(lcClang) << "SourceRangeSkipped: skipped text:" << QString::fromStdString(skippedText.str());
unsigned int beginLine = sm.getExpansionLineNumber(sourceRange.getBegin());
unsigned int endLine = sm.getExpansionLineNumber(sourceRange.getEnd());
qWarning("%s Code with translation information has been skipped "
"between lines %d and %d",
fileName.str().c_str(), beginLine, endLine);
}
}
// To list the included files
#if (LUPDATE_CLANG_VERSION < LUPDATE_CLANG_VERSION_CHECK(14,0,0))
void LupdatePPCallbacks::InclusionDirective(clang::SourceLocation /*hashLoc*/,
const clang::Token & /*includeTok*/, clang::StringRef /*fileName*/, bool /*isAngled*/,
clang::CharSourceRange /*filenameRange*/,
#if (LUPDATE_CLANG_VERSION >= LUPDATE_CLANG_VERSION_CHECK(16,0,0))
const clang::OptionalFileEntryRef file,
#elif (LUPDATE_CLANG_VERSION >= LUPDATE_CLANG_VERSION_CHECK(15,0,0))
const clang::Optional<clang::FileEntryRef> file,
#else
const clang::FileEntry *file,
#endif
clang::StringRef /*searchPath*/, clang::StringRef /*relativePath*/,
const clang::Module */*imported*/, clang::SrcMgr::CharacteristicKind /*fileType*/)
{
if (!file)
return;
clang::StringRef fileNameRealPath = file->
#if (LUPDATE_CLANG_VERSION >= LUPDATE_CLANG_VERSION_CHECK(15,0,0))
getFileEntry().
#endif
tryGetRealPathName();
if (!LupdatePrivate::isFileSignificant(fileNameRealPath.str()))
return;
TranslationRelatedStore store;
store.callType = QStringLiteral("InclusionDirective");
store.lupdateLocationFile = toQt(fileNameRealPath);
store.lupdateLocationLine = 1;
store.locationCol = 1;
store.lupdateInputFile = toQt(m_inputFile);
// do not fill the store.funcName. There is no function at this point
// the information is retrieved here to look for TRANSLATOR comments in header files
// when traversing the AST
if (store.isValid())
m_ppStores.emplace_back(std::move(store));
}
#endif
QT_END_NAMESPACE
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