本文整理汇总了C++中clang::SourceManager::getLineNumber方法的典型用法代码示例。如果您正苦于以下问题:C++ SourceManager::getLineNumber方法的具体用法?C++ SourceManager::getLineNumber怎么用?C++ SourceManager::getLineNumber使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类clang::SourceManager
的用法示例。
在下文中一共展示了SourceManager::getLineNumber方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: resolveSourceLocation
SourceLoc ClangDiagnosticConsumer::resolveSourceLocation(
const clang::SourceManager &clangSrcMgr,
clang::SourceLocation clangLoc) {
SourceManager &swiftSrcMgr = ImporterImpl.SwiftContext.SourceMgr;
SourceLoc loc;
clangLoc = clangSrcMgr.getFileLoc(clangLoc);
auto decomposedLoc = clangSrcMgr.getDecomposedLoc(clangLoc);
if (decomposedLoc.first.isInvalid())
return loc;
auto buffer = clangSrcMgr.getBuffer(decomposedLoc.first);
unsigned mirrorID;
auto mirrorIter = mirroredBuffers.find(buffer);
if (mirrorIter != mirroredBuffers.end()) {
mirrorID = mirrorIter->second;
} else {
std::unique_ptr<llvm::MemoryBuffer> mirrorBuffer{
llvm::MemoryBuffer::getMemBuffer(buffer->getBuffer(),
buffer->getBufferIdentifier(),
/*nullTerminated=*/true)
};
mirrorID = swiftSrcMgr.addNewSourceBuffer(std::move(mirrorBuffer));
mirroredBuffers[buffer] = mirrorID;
}
loc = swiftSrcMgr.getLocForOffset(mirrorID, decomposedLoc.second);
auto presumedLoc = clangSrcMgr.getPresumedLoc(clangLoc);
if (!presumedLoc.getFilename())
return loc;
if (presumedLoc.getLine() == 0)
return SourceLoc();
unsigned bufferLineNumber =
clangSrcMgr.getLineNumber(decomposedLoc.first, decomposedLoc.second);
StringRef presumedFile = presumedLoc.getFilename();
SourceLoc startOfLine = loc.getAdvancedLoc(-presumedLoc.getColumn() + 1);
bool isNewVirtualFile =
swiftSrcMgr.openVirtualFile(startOfLine, presumedFile,
presumedLoc.getLine() - bufferLineNumber);
if (isNewVirtualFile) {
SourceLoc endOfLine = findEndOfLine(swiftSrcMgr, loc, mirrorID);
swiftSrcMgr.closeVirtualFile(endOfLine);
}
using SourceManagerRef = llvm::IntrusiveRefCntPtr<const clang::SourceManager>;
auto iter = std::lower_bound(sourceManagersWithDiagnostics.begin(),
sourceManagersWithDiagnostics.end(),
&clangSrcMgr,
[](const SourceManagerRef &inArray,
const clang::SourceManager *toInsert) {
return std::less<const clang::SourceManager *>()(inArray.get(), toInsert);
});
if (iter->get() != &clangSrcMgr)
sourceManagersWithDiagnostics.insert(iter, &clangSrcMgr);
return loc;
}