derek.holloway
7502bf64a4
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38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "NoAssemblerCheck.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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using namespace clang::ast_matchers;
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namespace clang::tidy::portability {
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void NoAssemblerCheck::registerMatchers(MatchFinder *Finder) {
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Finder->addMatcher(asmStmt().bind("asm-stmt"), this);
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Finder->addMatcher(fileScopeAsmDecl().bind("asm-file-scope"), this);
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Finder->addMatcher(varDecl(hasAttr(attr::AsmLabel)).bind("asm-var"), this);
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}
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void NoAssemblerCheck::check(const MatchFinder::MatchResult &Result) {
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SourceLocation ASMLocation;
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if (const auto *ASM = Result.Nodes.getNodeAs<AsmStmt>("asm-stmt"))
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ASMLocation = ASM->getAsmLoc();
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else if (const auto *ASM =
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Result.Nodes.getNodeAs<FileScopeAsmDecl>("asm-file-scope"))
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ASMLocation = ASM->getAsmLoc();
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else if (const auto *ASM = Result.Nodes.getNodeAs<VarDecl>("asm-var"))
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ASMLocation = ASM->getLocation();
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else
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llvm_unreachable("Unhandled case in matcher.");
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diag(ASMLocation, "do not use inline assembler in safety-critical code");
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}
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} // namespace clang::tidy::portability
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