forked from OSchip/llvm-project
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
//===- tools/clang-check/ClangCheck.cpp - Clang check tool ----------------===//
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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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// This file implements a clang-check tool that runs the
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// clang::SyntaxOnlyAction over a number of translation units.
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//
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// This tool uses the Clang Tooling infrastructure, see
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// http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html
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// for details on setting it up with LLVM source tree.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/CommandLine.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/Driver/OptTable.h"
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#include "clang/Driver/Options.h"
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#include "clang/Frontend/ASTConsumers.h"
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#include "clang/Frontend/FrontendActions.h"
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#include "clang/Tooling/CommandLineClangTool.h"
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#include "clang/Tooling/Tooling.h"
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using namespace clang::driver;
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using namespace clang::tooling;
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using namespace llvm;
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static const char *MoreHelpText =
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"\tFor example, to run clang-check on all files in a subtree of the\n"
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"\tsource tree, use:\n"
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"\n"
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"\t find path/in/subtree -name '*.cpp'|xargs clang-check\n"
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"\n"
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"\tor using a specific build path:\n"
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"\n"
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"\t find path/in/subtree -name '*.cpp'|xargs clang-check -p build/path\n"
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"\n"
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"\tNote, that path/in/subtree and current directory should follow the\n"
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"\trules described above.\n"
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"\n";
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namespace {
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class ActionFactory {
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public:
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ActionFactory()
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: Options(createDriverOptTable()),
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ASTDump(
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"ast-dump",
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cl::desc(Options->getOptionHelpText(options::OPT_ast_dump))),
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ASTList(
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"ast-list",
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cl::desc(Options->getOptionHelpText(options::OPT_ast_list))),
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ASTPrint(
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"ast-print",
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cl::desc(Options->getOptionHelpText(options::OPT_ast_print))),
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ASTDumpFilter(
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"ast-dump-filter",
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cl::desc(Options->getOptionHelpText(options::OPT_ast_dump_filter))) {}
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clang::ASTConsumer *newASTConsumer() {
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if (ASTList)
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return clang::CreateASTDeclNodeLister();
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if (ASTDump)
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return clang::CreateASTDumper(ASTDumpFilter);
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if (ASTPrint)
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return clang::CreateASTPrinter(&llvm::outs(), ASTDumpFilter);
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return new clang::ASTConsumer();
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}
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private:
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OwningPtr<OptTable> Options;
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cl::opt<bool> ASTDump;
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cl::opt<bool> ASTList;
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cl::opt<bool> ASTPrint;
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cl::opt<std::string> ASTDumpFilter;
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};
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}
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int main(int argc, const char **argv) {
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ActionFactory Factory;
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CommandLineClangTool Tool;
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cl::extrahelp MoreHelp(MoreHelpText);
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Tool.initialize(argc, argv);
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return Tool.run(newFrontendActionFactory(&Factory));
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}
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