llvm/clang/tools/clang-extdef-mapping/ClangExtDefMapGen.cpp

//===- ClangExtDefMapGen.cpp ---------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===--------------------------------------------------------------------===//
//
// Clang tool which creates a list of defined functions and the files in which
// they are defined.
//
//===--------------------------------------------------------------------===//

#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/SourceManager.h"
#include "clang/CrossTU/CrossTranslationUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Tooling/CommonOptionsParser.h"
#include "clang/Tooling/Tooling.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/TargetSelect.h"
#include <optional>
#include <sstream>
#include <string>

usingnamespacellvm;
usingnamespaceclang;
usingnamespaceclang::cross_tu;
usingnamespaceclang::tooling;

static cl::OptionCategory
    ClangExtDefMapGenCategory("clang-extdefmapgen options");

class MapExtDefNamesConsumer : public ASTConsumer { … };

void MapExtDefNamesConsumer::handleDecl(const Decl *D) { … }

void MapExtDefNamesConsumer::addIfInMain(const DeclaratorDecl *DD,
                                         SourceLocation defStart) { … }

class MapExtDefNamesAction : public ASTFrontendAction { … };

static cl::extrahelp CommonHelp(CommonOptionsParser::HelpMessage);

static IntrusiveRefCntPtr<DiagnosticsEngine> Diags;

IntrusiveRefCntPtr<DiagnosticsEngine> GetDiagnosticsEngine() { … }

static CompilerInstance *CI = …;

static bool HandleAST(StringRef AstPath) { … }

static int HandleFiles(ArrayRef<std::string> SourceFiles,
                       CompilationDatabase &compilations) { … }

int main(int argc, const char **argv) { … }