You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
285 lines
11 KiB
285 lines
11 KiB
//===--- ExecuteCompilerInvocation.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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file holds ExecuteCompilerInvocation(). It is split into its own file to
|
|
// minimize the impact of pulling in essentially everything else in Clang.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/ARCMigrate/ARCMTActions.h"
|
|
#include "clang/CodeGen/CodeGenAction.h"
|
|
#include "clang/Config/config.h"
|
|
#include "clang/Driver/Options.h"
|
|
#include "clang/Frontend/CompilerInstance.h"
|
|
#include "clang/Frontend/CompilerInvocation.h"
|
|
#include "clang/Frontend/FrontendActions.h"
|
|
#include "clang/Frontend/FrontendDiagnostic.h"
|
|
#include "clang/Frontend/FrontendPluginRegistry.h"
|
|
#include "clang/Frontend/Utils.h"
|
|
#include "clang/FrontendTool/Utils.h"
|
|
#include "clang/Rewrite/Frontend/FrontendActions.h"
|
|
#include "clang/StaticAnalyzer/Frontend/AnalyzerHelpFlags.h"
|
|
#include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
|
|
#include "llvm/Option/OptTable.h"
|
|
#include "llvm/Option/Option.h"
|
|
#include "llvm/Support/BuryPointer.h"
|
|
#include "llvm/Support/DynamicLibrary.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
using namespace clang;
|
|
using namespace llvm::opt;
|
|
|
|
namespace clang {
|
|
|
|
static std::unique_ptr<FrontendAction>
|
|
CreateFrontendBaseAction(CompilerInstance &CI) {
|
|
using namespace clang::frontend;
|
|
StringRef Action("unknown");
|
|
(void)Action;
|
|
|
|
switch (CI.getFrontendOpts().ProgramAction) {
|
|
case ASTDeclList: return std::make_unique<ASTDeclListAction>();
|
|
case ASTDump: return std::make_unique<ASTDumpAction>();
|
|
case ASTPrint: return std::make_unique<ASTPrintAction>();
|
|
case ASTView: return std::make_unique<ASTViewAction>();
|
|
case DumpCompilerOptions:
|
|
return std::make_unique<DumpCompilerOptionsAction>();
|
|
case DumpRawTokens: return std::make_unique<DumpRawTokensAction>();
|
|
case DumpTokens: return std::make_unique<DumpTokensAction>();
|
|
case EmitAssembly: return std::make_unique<EmitAssemblyAction>();
|
|
case EmitBC: return std::make_unique<EmitBCAction>();
|
|
case EmitHTML: return std::make_unique<HTMLPrintAction>();
|
|
case EmitLLVM: return std::make_unique<EmitLLVMAction>();
|
|
case EmitLLVMOnly: return std::make_unique<EmitLLVMOnlyAction>();
|
|
case EmitCodeGenOnly: return std::make_unique<EmitCodeGenOnlyAction>();
|
|
case EmitObj: return std::make_unique<EmitObjAction>();
|
|
case FixIt: return std::make_unique<FixItAction>();
|
|
case GenerateModule:
|
|
return std::make_unique<GenerateModuleFromModuleMapAction>();
|
|
case GenerateModuleInterface:
|
|
return std::make_unique<GenerateModuleInterfaceAction>();
|
|
case GenerateHeaderModule:
|
|
return std::make_unique<GenerateHeaderModuleAction>();
|
|
case GeneratePCH: return std::make_unique<GeneratePCHAction>();
|
|
case GenerateInterfaceStubs:
|
|
return std::make_unique<GenerateInterfaceStubsAction>();
|
|
case InitOnly: return std::make_unique<InitOnlyAction>();
|
|
case ParseSyntaxOnly: return std::make_unique<SyntaxOnlyAction>();
|
|
case ModuleFileInfo: return std::make_unique<DumpModuleInfoAction>();
|
|
case VerifyPCH: return std::make_unique<VerifyPCHAction>();
|
|
case TemplightDump: return std::make_unique<TemplightDumpAction>();
|
|
|
|
case PluginAction: {
|
|
for (const FrontendPluginRegistry::entry &Plugin :
|
|
FrontendPluginRegistry::entries()) {
|
|
if (Plugin.getName() == CI.getFrontendOpts().ActionName) {
|
|
std::unique_ptr<PluginASTAction> P(Plugin.instantiate());
|
|
if ((P->getActionType() != PluginASTAction::ReplaceAction &&
|
|
P->getActionType() != PluginASTAction::Cmdline) ||
|
|
!P->ParseArgs(
|
|
CI,
|
|
CI.getFrontendOpts().PluginArgs[std::string(Plugin.getName())]))
|
|
return nullptr;
|
|
return std::move(P);
|
|
}
|
|
}
|
|
|
|
CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name)
|
|
<< CI.getFrontendOpts().ActionName;
|
|
return nullptr;
|
|
}
|
|
|
|
case PrintPreamble: return std::make_unique<PrintPreambleAction>();
|
|
case PrintPreprocessedInput: {
|
|
if (CI.getPreprocessorOutputOpts().RewriteIncludes ||
|
|
CI.getPreprocessorOutputOpts().RewriteImports)
|
|
return std::make_unique<RewriteIncludesAction>();
|
|
return std::make_unique<PrintPreprocessedAction>();
|
|
}
|
|
|
|
case RewriteMacros: return std::make_unique<RewriteMacrosAction>();
|
|
case RewriteTest: return std::make_unique<RewriteTestAction>();
|
|
#if CLANG_ENABLE_OBJC_REWRITER
|
|
case RewriteObjC: return std::make_unique<RewriteObjCAction>();
|
|
#else
|
|
case RewriteObjC: Action = "RewriteObjC"; break;
|
|
#endif
|
|
#if CLANG_ENABLE_ARCMT
|
|
case MigrateSource:
|
|
return std::make_unique<arcmt::MigrateSourceAction>();
|
|
#else
|
|
case MigrateSource: Action = "MigrateSource"; break;
|
|
#endif
|
|
#if CLANG_ENABLE_STATIC_ANALYZER
|
|
case RunAnalysis: return std::make_unique<ento::AnalysisAction>();
|
|
#else
|
|
case RunAnalysis: Action = "RunAnalysis"; break;
|
|
#endif
|
|
case RunPreprocessorOnly: return std::make_unique<PreprocessOnlyAction>();
|
|
case PrintDependencyDirectivesSourceMinimizerOutput:
|
|
return std::make_unique<PrintDependencyDirectivesSourceMinimizerAction>();
|
|
}
|
|
|
|
#if !CLANG_ENABLE_ARCMT || !CLANG_ENABLE_STATIC_ANALYZER \
|
|
|| !CLANG_ENABLE_OBJC_REWRITER
|
|
CI.getDiagnostics().Report(diag::err_fe_action_not_available) << Action;
|
|
return 0;
|
|
#else
|
|
llvm_unreachable("Invalid program action!");
|
|
#endif
|
|
}
|
|
|
|
std::unique_ptr<FrontendAction>
|
|
CreateFrontendAction(CompilerInstance &CI) {
|
|
// Create the underlying action.
|
|
std::unique_ptr<FrontendAction> Act = CreateFrontendBaseAction(CI);
|
|
if (!Act)
|
|
return nullptr;
|
|
|
|
const FrontendOptions &FEOpts = CI.getFrontendOpts();
|
|
|
|
if (FEOpts.FixAndRecompile) {
|
|
Act = std::make_unique<FixItRecompile>(std::move(Act));
|
|
}
|
|
|
|
#if CLANG_ENABLE_ARCMT
|
|
if (CI.getFrontendOpts().ProgramAction != frontend::MigrateSource &&
|
|
CI.getFrontendOpts().ProgramAction != frontend::GeneratePCH) {
|
|
// Potentially wrap the base FE action in an ARC Migrate Tool action.
|
|
switch (FEOpts.ARCMTAction) {
|
|
case FrontendOptions::ARCMT_None:
|
|
break;
|
|
case FrontendOptions::ARCMT_Check:
|
|
Act = std::make_unique<arcmt::CheckAction>(std::move(Act));
|
|
break;
|
|
case FrontendOptions::ARCMT_Modify:
|
|
Act = std::make_unique<arcmt::ModifyAction>(std::move(Act));
|
|
break;
|
|
case FrontendOptions::ARCMT_Migrate:
|
|
Act = std::make_unique<arcmt::MigrateAction>(std::move(Act),
|
|
FEOpts.MTMigrateDir,
|
|
FEOpts.ARCMTMigrateReportOut,
|
|
FEOpts.ARCMTMigrateEmitARCErrors);
|
|
break;
|
|
}
|
|
|
|
if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
|
|
Act = std::make_unique<arcmt::ObjCMigrateAction>(std::move(Act),
|
|
FEOpts.MTMigrateDir,
|
|
FEOpts.ObjCMTAction);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// If there are any AST files to merge, create a frontend action
|
|
// adaptor to perform the merge.
|
|
if (!FEOpts.ASTMergeFiles.empty())
|
|
Act = std::make_unique<ASTMergeAction>(std::move(Act),
|
|
FEOpts.ASTMergeFiles);
|
|
|
|
return Act;
|
|
}
|
|
|
|
bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
|
|
// Honor -help.
|
|
if (Clang->getFrontendOpts().ShowHelp) {
|
|
driver::getDriverOptTable().PrintHelp(
|
|
llvm::outs(), "clang -cc1 [options] file...",
|
|
"LLVM 'Clang' Compiler: http://clang.llvm.org",
|
|
/*Include=*/driver::options::CC1Option,
|
|
/*Exclude=*/0, /*ShowAllAliases=*/false);
|
|
return true;
|
|
}
|
|
|
|
// Honor -version.
|
|
//
|
|
// FIXME: Use a better -version message?
|
|
if (Clang->getFrontendOpts().ShowVersion) {
|
|
llvm::cl::PrintVersionMessage();
|
|
return true;
|
|
}
|
|
|
|
// Load any requested plugins.
|
|
for (const std::string &Path : Clang->getFrontendOpts().Plugins) {
|
|
std::string Error;
|
|
if (llvm::sys::DynamicLibrary::LoadLibraryPermanently(Path.c_str(), &Error))
|
|
Clang->getDiagnostics().Report(diag::err_fe_unable_to_load_plugin)
|
|
<< Path << Error;
|
|
}
|
|
|
|
// Check if any of the loaded plugins replaces the main AST action
|
|
for (const FrontendPluginRegistry::entry &Plugin :
|
|
FrontendPluginRegistry::entries()) {
|
|
std::unique_ptr<PluginASTAction> P(Plugin.instantiate());
|
|
if (P->getActionType() == PluginASTAction::ReplaceAction) {
|
|
Clang->getFrontendOpts().ProgramAction = clang::frontend::PluginAction;
|
|
Clang->getFrontendOpts().ActionName = Plugin.getName().str();
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Honor -mllvm.
|
|
//
|
|
// FIXME: Remove this, one day.
|
|
// This should happen AFTER plugins have been loaded!
|
|
if (!Clang->getFrontendOpts().LLVMArgs.empty()) {
|
|
unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size();
|
|
auto Args = std::make_unique<const char*[]>(NumArgs + 2);
|
|
Args[0] = "clang (LLVM option parsing)";
|
|
for (unsigned i = 0; i != NumArgs; ++i)
|
|
Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str();
|
|
Args[NumArgs + 1] = nullptr;
|
|
llvm::cl::ParseCommandLineOptions(NumArgs + 1, Args.get());
|
|
}
|
|
|
|
#if CLANG_ENABLE_STATIC_ANALYZER
|
|
// These should happen AFTER plugins have been loaded!
|
|
|
|
AnalyzerOptions &AnOpts = *Clang->getAnalyzerOpts();
|
|
|
|
// Honor -analyzer-checker-help and -analyzer-checker-help-hidden.
|
|
if (AnOpts.ShowCheckerHelp || AnOpts.ShowCheckerHelpAlpha ||
|
|
AnOpts.ShowCheckerHelpDeveloper) {
|
|
ento::printCheckerHelp(llvm::outs(), *Clang);
|
|
return true;
|
|
}
|
|
|
|
// Honor -analyzer-checker-option-help.
|
|
if (AnOpts.ShowCheckerOptionList || AnOpts.ShowCheckerOptionAlphaList ||
|
|
AnOpts.ShowCheckerOptionDeveloperList) {
|
|
ento::printCheckerConfigList(llvm::outs(), *Clang);
|
|
return true;
|
|
}
|
|
|
|
// Honor -analyzer-list-enabled-checkers.
|
|
if (AnOpts.ShowEnabledCheckerList) {
|
|
ento::printEnabledCheckerList(llvm::outs(), *Clang);
|
|
return true;
|
|
}
|
|
|
|
// Honor -analyzer-config-help.
|
|
if (AnOpts.ShowConfigOptionsList) {
|
|
ento::printAnalyzerConfigList(llvm::outs());
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
// If there were errors in processing arguments, don't do anything else.
|
|
if (Clang->getDiagnostics().hasErrorOccurred())
|
|
return false;
|
|
// Create and execute the frontend action.
|
|
std::unique_ptr<FrontendAction> Act(CreateFrontendAction(*Clang));
|
|
if (!Act)
|
|
return false;
|
|
bool Success = Clang->ExecuteAction(*Act);
|
|
if (Clang->getFrontendOpts().DisableFree)
|
|
llvm::BuryPointer(std::move(Act));
|
|
return Success;
|
|
}
|
|
|
|
} // namespace clang
|