forked from OSchip/llvm-project
76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
//===-- Core/SyntaxCheck.cpp ----------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file exposes functionaliy for doing a syntax-only check on
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/// files with overridden contents.
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///
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//===----------------------------------------------------------------------===//
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#include "Core/SyntaxCheck.h"
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#include "Core/FileOverrides.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendActions.h"
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#include "clang/Tooling/Tooling.h"
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using namespace clang;
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using namespace tooling;
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class SyntaxCheck : public SyntaxOnlyAction {
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public:
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SyntaxCheck(const FileOverrides &Overrides) : Overrides(Overrides) {}
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virtual bool BeginSourceFileAction(CompilerInstance &CI, StringRef Filename) {
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if (!SyntaxOnlyAction::BeginSourceFileAction(CI, Filename))
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return false;
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FileOverrides::const_iterator I = Overrides.find(Filename);
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if (I != Overrides.end())
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I->second->applyOverrides(CI.getSourceManager());
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return true;
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}
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private:
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const FileOverrides &Overrides;
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};
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class SyntaxCheckFactory : public FrontendActionFactory {
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public:
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SyntaxCheckFactory(const FileOverrides &Overrides)
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: Overrides(Overrides) {}
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virtual FrontendAction *create() { return new SyntaxCheck(Overrides); }
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private:
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const FileOverrides &Overrides;
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};
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class SyntaxArgumentsAdjuster : public ArgumentsAdjuster {
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CommandLineArguments Adjust(const CommandLineArguments &Args) {
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CommandLineArguments AdjustedArgs = Args;
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AdjustedArgs.push_back("-fsyntax-only");
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AdjustedArgs.push_back("-std=c++11");
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return AdjustedArgs;
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}
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};
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bool doSyntaxCheck(const CompilationDatabase &Database,
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const std::vector<std::string> &SourcePaths,
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const FileOverrides &Overrides) {
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ClangTool SyntaxTool(Database, SourcePaths);
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// Ensure C++11 support is enabled.
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// FIXME: This isn't necessary anymore since the Migrator requires C++11
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// to be enabled in the CompilationDatabase. Remove later.
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SyntaxTool.setArgumentsAdjuster(new SyntaxArgumentsAdjuster);
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return SyntaxTool.run(new SyntaxCheckFactory(Overrides)) == 0;
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}
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