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//===--- FrontendOptions.h --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_FRONTENDOPTIONS_H
#define LLVM_CLANG_FRONTEND_FRONTENDOPTIONS_H
#include "clang/Frontend/CommandLineSourceLoc.h"
#include "llvm/ADT/StringRef.h"
#include <string>
#include <vector>
namespace clang {
namespace frontend {
enum ActionKind {
ASTDump, ///< Parse ASTs and dump them.
ASTPrint, ///< Parse ASTs and print them.
ASTPrintXML, ///< Parse ASTs and print them in XML.
ASTView, ///< Parse ASTs and view them in Graphviz.
DumpRawTokens, ///< Dump out raw tokens.
DumpTokens, ///< Dump out preprocessed tokens.
EmitAssembly, ///< Emit a .s file.
EmitBC, ///< Emit a .bc file.
EmitHTML, ///< Translate input source into HTML.
EmitLLVM, ///< Emit a .ll file.
EmitLLVMOnly, ///< Generate LLVM IR, but do not
EmitObj, ///< Emit a .o file.
FixIt, ///< Parse and apply any fixits to the source.
GeneratePCH, ///< Generate pre-compiled header.
GeneratePTH, ///< Generate pre-tokenized header.
InheritanceView, ///< View C++ inheritance for a specified class.
InitOnly, ///< Only execute frontend initialization.
ParseNoop, ///< Parse with noop callbacks.
ParsePrintCallbacks, ///< Parse and print each callback.
ParseSyntaxOnly, ///< Parse and perform semantic analysis.
PluginAction, ///< Run a plugin action, \see ActionName.
PrintDeclContext, ///< Print DeclContext and their Decls.
PrintPreprocessedInput, ///< -E mode.
RewriteMacros, ///< Expand macros but not #includes.
RewriteObjC, ///< ObjC->C Rewriter.
RewriteTest, ///< Rewriter playground
RunAnalysis, ///< Run one or more source code analyses.
RunPreprocessorOnly ///< Just lex, no output.
};
}
/// FrontendOptions - Options for controlling the behavior of the frontend.
class FrontendOptions {
public:
enum InputKind {
IK_None,
IK_Asm,
IK_C,
IK_CXX,
IK_ObjC,
IK_ObjCXX,
IK_PreprocessedC,
IK_PreprocessedCXX,
IK_PreprocessedObjC,
IK_PreprocessedObjCXX,
IK_OpenCL,
IK_AST
};
unsigned DebugCodeCompletionPrinter : 1; ///< Use the debug printer for code
/// completion results.
unsigned DisableFree : 1; ///< Disable memory freeing on exit.
unsigned RelocatablePCH : 1; ///< When generating PCH files,
/// instruct the PCH writer to create
/// relocatable PCH files.
unsigned ShowHelp : 1; ///< Show the -help text.
unsigned ShowMacrosInCodeCompletion : 1; ///< Show macros in code completion
/// results.
unsigned ShowStats : 1; ///< Show frontend performance
/// metrics and statistics.
unsigned ShowTimers : 1; ///< Show timers for individual
/// actions.
unsigned ShowVersion : 1; ///< Show the -version text.
/// The input files and their types.
std::vector<std::pair<InputKind, std::string> > Inputs;
/// The output file, if any.
std::string OutputFile;
/// If given, the name for a C++ class to view the inheritance of.
std::string ViewClassInheritance;
/// If given, the new suffix for fix-it rewritten files.
std::string FixItSuffix;
/// If given, enable code completion at the provided location.
ParsedSourceLocation CodeCompletionAt;
/// The frontend action to perform.
frontend::ActionKind ProgramAction;
/// The name of the action to run when using a plugin action.
std::string ActionName;
/// The list of plugins to load.
std::vector<std::string> Plugins;
/// \brief The list of AST files to merge.
std::vector<std::string> ASTMergeFiles;
/// \brief A list of arguments to forward to LLVM's option processing; this
/// should only be used for debugging and experimental features.
std::vector<std::string> LLVMArgs;
public:
FrontendOptions() {
DebugCodeCompletionPrinter = 1;
DisableFree = 0;
ProgramAction = frontend::ParseSyntaxOnly;
ActionName = "";
RelocatablePCH = 0;
ShowHelp = 0;
ShowMacrosInCodeCompletion = 0;
ShowStats = 0;
ShowTimers = 0;
ShowVersion = 0;
}
/// getInputKindForExtension - Return the appropriate input kind for a file
/// extension. For example, "c" would return IK_C.
///
/// \return The input kind for the extension, or IK_None if the extension is
/// not recognized.
static InputKind getInputKindForExtension(llvm::StringRef Extension);
};
} // end namespace clang
#endif
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