mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#include "migrate_cpp/cpp_refactoring/matcher.h"
|
|
|
|
#include "clang/Basic/SourceManager.h"
|
|
|
|
namespace Carbon {
|
|
|
|
void Matcher::AddReplacement(clang::CharSourceRange range,
|
|
llvm::StringRef replacement_text) {
|
|
if (!range.isValid()) {
|
|
// Invalid range.
|
|
return;
|
|
}
|
|
const auto& source_manager = GetSourceManager();
|
|
if (source_manager.getDecomposedLoc(range.getBegin()).first !=
|
|
source_manager.getDecomposedLoc(range.getEnd()).first) {
|
|
// Range spans macro expansions.
|
|
return;
|
|
}
|
|
if (source_manager.getFileID(range.getBegin()) !=
|
|
source_manager.getFileID(range.getEnd())) {
|
|
// Range spans files.
|
|
return;
|
|
}
|
|
|
|
clang::tooling::Replacement rep(source_manager,
|
|
source_manager.getExpansionRange(range),
|
|
replacement_text);
|
|
auto entry = replacements->find(std::string(rep.getFilePath()));
|
|
if (entry == replacements->end()) {
|
|
// The replacement was in a file which isn't being updated, such as a system
|
|
// header.
|
|
return;
|
|
}
|
|
|
|
llvm::Error err = entry->second.add(rep);
|
|
if (err) {
|
|
llvm::errs() << "Error with replacement `" << rep.toString()
|
|
<< "`: " << llvm::toString(std::move(err)) << "\n";
|
|
}
|
|
}
|
|
|
|
} // namespace Carbon
|