diff options
Diffstat (limited to 'include/flang/Frontend/FrontendOptions.h')
| -rw-r--r-- | include/flang/Frontend/FrontendOptions.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/include/flang/Frontend/FrontendOptions.h b/include/flang/Frontend/FrontendOptions.h new file mode 100644 index 0000000000..81e3d69b62 --- /dev/null +++ b/include/flang/Frontend/FrontendOptions.h @@ -0,0 +1,234 @@ +//===--- 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_FLANG_FRONTEND_FRONTENDOPTIONS_H +#define LLVM_FLANG_FRONTEND_FRONTENDOPTIONS_H + +#include "flang/Frontend/CommandLineSourceLoc.h" +#include "llvm/ADT/StringRef.h" +#include <string> +#include <vector> + +namespace llvm { +class MemoryBuffer; +} + +namespace flang { + +namespace frontend { + enum ActionKind { + ASTDeclList, ///< Parse ASTs and list Decl nodes. + ASTDump, ///< Parse ASTs and dump them. + ASTDumpXML, ///< Parse ASTs and dump them in XML. + ASTPrint, ///< Parse ASTs and print them. + 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 emit anything. + EmitCodeGenOnly, ///< Generate machine code, but don't emit anything. + EmitObj, ///< Emit a .o file. + FixIt, ///< Parse and apply any fixits to the source. + GenerateModule, ///< Generate pre-compiled module. + GeneratePCH, ///< Generate pre-compiled header. + GeneratePTH, ///< Generate pre-tokenized header. + InitOnly, ///< Only execute frontend initialization. + ModuleFileInfo, ///< Dump information about a module file. + ParseSyntaxOnly, ///< Parse and perform semantic analysis. + PluginAction, ///< Run a plugin action, \see ActionName. + PrintDeclContext, ///< Print DeclContext and their Decls. + PrintPreamble, ///< Print the "preamble" of the input file + PrintPreprocessedInput, ///< -E mode. + RewriteMacros, ///< Expand macros but not \#includes. + RewriteObjC, ///< ObjC->C Rewriter. + RewriteTest, ///< Rewriter playground + RunAnalysis, ///< Run one or more source code analyses. + MigrateSource, ///< Run migrator. + RunPreprocessorOnly ///< Just lex, no output. + }; +} + +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_CUDA, + IK_AST, + IK_LLVM_IR +}; + + +/// \brief An input file for the front end. +class FrontendInputFile { + /// \brief The file name, or "-" to read from standard input. + std::string File; + + llvm::MemoryBuffer *Buffer; + + /// \brief The kind of input, e.g., C source, AST file, LLVM IR. + InputKind Kind; + + /// \brief Whether we're dealing with a 'system' input (vs. a 'user' input). + bool IsSystem; + +public: + FrontendInputFile() : Buffer(0), Kind(IK_None) { } + FrontendInputFile(StringRef File, InputKind Kind, bool IsSystem = false) + : File(File.str()), Buffer(0), Kind(Kind), IsSystem(IsSystem) { } + FrontendInputFile(llvm::MemoryBuffer *buffer, InputKind Kind, + bool IsSystem = false) + : Buffer(buffer), Kind(Kind), IsSystem(IsSystem) { } + + InputKind getKind() const { return Kind; } + bool isSystem() const { return IsSystem; } + + bool isEmpty() const { return File.empty() && Buffer == 0; } + bool isFile() const { return !isBuffer(); } + bool isBuffer() const { return Buffer != 0; } + + StringRef getFile() const { + assert(isFile()); + return File; + } + llvm::MemoryBuffer *getBuffer() const { + assert(isBuffer()); + return Buffer; + } +}; + +/// FrontendOptions - Options for controlling the behavior of the frontend. +class FrontendOptions { +public: + unsigned DisableFree : 1; ///< Disable memory freeing on exit. + unsigned RelocatablePCH : 1; ///< When generating PCH files, + /// instruct the AST writer to create + /// relocatable PCH files. + unsigned ShowHelp : 1; ///< Show the -help text. + unsigned ShowStats : 1; ///< Show frontend performance + /// metrics and statistics. + unsigned ShowTimers : 1; ///< Show timers for individual + /// actions. + unsigned ShowVersion : 1; ///< Show the -version text. + unsigned FixWhatYouCan : 1; ///< Apply fixes even if there are + /// unfixable errors. + unsigned FixOnlyWarnings : 1; ///< Apply fixes only for warnings. + unsigned FixAndRecompile : 1; ///< Apply fixes and recompile. + unsigned FixToTemporaries : 1; ///< Apply fixes to temporary files. + unsigned ARCMTMigrateEmitARCErrors : 1; /// Emit ARC errors even if the + /// migrator can fix them + unsigned SkipFunctionBodies : 1; ///< Skip over function bodies to + /// speed up parsing in cases you do + /// not need them (e.g. with code + /// completion). + unsigned UseGlobalModuleIndex : 1; ///< Whether we can use the + ///< global module index if available. + unsigned GenerateGlobalModuleIndex : 1; ///< Whether we can generate the + ///< global module index if needed. + unsigned ASTDumpLookups : 1; ///< Whether we include lookup table + ///< dumps in AST dumps. + + enum { + ARCMT_None, + ARCMT_Check, + ARCMT_Modify, + ARCMT_Migrate + } ARCMTAction; + + enum { + ObjCMT_None = 0, + /// \brief Enable migration to modern ObjC literals. + ObjCMT_Literals = 0x1, + /// \brief Enable migration to modern ObjC subscripting. + ObjCMT_Subscripting = 0x2, + /// \brief Enable migration to modern ObjC property. + ObjCMT_Property = 0x4 + }; + unsigned ObjCMTAction; + + std::string MTMigrateDir; + std::string ARCMTMigrateReportOut; + + /// The input files and their types. + std::vector<FrontendInputFile> Inputs; + + /// The output file, if any. + std::string OutputFile; + + /// If given, the new suffix for fix-it rewritten files. + std::string FixItSuffix; + + /// If given, filter dumped AST Decl nodes by this substring. + std::string ASTDumpFilter; + + /// 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; + + /// Args to pass to the plugin + std::vector<std::string> PluginArgs; + + /// The list of plugin actions to run in addition to the normal action. + std::vector<std::string> AddPluginActions; + + /// Args to pass to the additional plugins + std::vector<std::vector<std::string> > AddPluginArgs; + + /// 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; + + /// \brief File name of the file that will provide record layouts + /// (in the format produced by -fdump-record-layouts). + std::string OverrideRecordLayoutsFile; + +public: + FrontendOptions() : + DisableFree(false), RelocatablePCH(false), ShowHelp(false), + ShowStats(false), ShowTimers(false), ShowVersion(false), + FixWhatYouCan(false), FixOnlyWarnings(false), FixAndRecompile(false), + FixToTemporaries(false), ARCMTMigrateEmitARCErrors(false), + SkipFunctionBodies(false), UseGlobalModuleIndex(true), + GenerateGlobalModuleIndex(true), ASTDumpLookups(false), + ARCMTAction(ARCMT_None), ObjCMTAction(ObjCMT_None), + ProgramAction(frontend::ParseSyntaxOnly) + {} + + /// 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(StringRef Extension); +}; + +} // end namespace flang + +#endif |