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https://github.com/carbon-language/carbon-lang.git
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Jon Meow
29bf305539
This refactors the main.cpp out into a file structure that should make it easier to add more matchers/tests.
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "migrate_cpp/cpp_refactoring/fn_inserter.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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namespace cam = ::clang::ast_matchers;
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namespace Carbon {
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FnInserter::FnInserter(std::map<std::string, Replacements>& in_replacements,
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cam::MatchFinder* finder)
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: Matcher(in_replacements) {
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// TODO: Switch from isExpansionInMainFile to isDefinition. That should then
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// include `for (const auto* redecl : func->redecls())` to generate
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// replacements.
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finder->addMatcher(
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cam::functionDecl(cam::isExpansionInMainFile(), cam::hasTrailingReturn())
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.bind(Label),
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this);
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}
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void FnInserter::run(const cam::MatchFinder::MatchResult& result) {
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const auto* decl = result.Nodes.getNodeAs<clang::FunctionDecl>(Label);
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if (!decl) {
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llvm::report_fatal_error(std::string("getNodeAs failed for ") + Label);
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}
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auto begin = decl->getBeginLoc();
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// Replace the first token in the range, `auto`.
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auto range = clang::CharSourceRange::getTokenRange(begin, begin);
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AddReplacement(*(result.SourceManager), range, "fn");
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}
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} // namespace Carbon
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