diff options
Diffstat (limited to 'llvm/tools/llvmc/llvmc.cpp')
| -rw-r--r-- | llvm/tools/llvmc/llvmc.cpp | 154 |
1 files changed, 126 insertions, 28 deletions
diff --git a/llvm/tools/llvmc/llvmc.cpp b/llvm/tools/llvmc/llvmc.cpp index 75d37fb4f99..878fb65e0c8 100644 --- a/llvm/tools/llvmc/llvmc.cpp +++ b/llvm/tools/llvmc/llvmc.cpp @@ -1,8 +1,8 @@ -//===--- llvmc.cpp - The LLVM Compiler Driver -----------------------------===// +//===--- llvmc.cpp - The LLVM Compiler Driver -------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // -// This file was developed by Reid Spencerand is distributed under the +// This file was developed by Reid Spencer and is distributed under the // University of Illinois Open Source License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// @@ -15,24 +15,29 @@ //===------------------------------------------------------------------------=== #include "CompilerDriver.h" +#include "ConfigData.h" #include "llvm/System/Signals.h" #include "Support/CommandLine.h" #include <iostream> using namespace llvm; +namespace { //===------------------------------------------------------------------------=== //=== PHASE OPTIONS //===------------------------------------------------------------------------=== static cl::opt<CompilerDriver::Phases> FinalPhase( cl::desc("Choose final phase of compilation:"), + cl::init(CompilerDriver::LINKING), cl::values( clEnumValN(CompilerDriver::PREPROCESSING,"E", - "Stop compilation after pre-processing"), + "Stop compilation after pre-processing phase"), + clEnumValN(CompilerDriver::TRANSLATION, "t", + "Stop compilation after translation phase"), clEnumValN(CompilerDriver::OPTIMIZATION,"c", - "Stop compilation after source code translation and optimization"), + "Stop compilation after optimization phase"), clEnumValN(CompilerDriver::ASSEMBLY,"S", - "Stop compilation after assembly"), + "Stop compilation after assembly phase"), clEnumValEnd ) ); @@ -42,9 +47,10 @@ static cl::opt<CompilerDriver::Phases> FinalPhase( //===------------------------------------------------------------------------=== static cl::opt<CompilerDriver::OptimizationLevels> OptLevel( cl::desc("Choose level of optimization to apply:"), + cl::init(CompilerDriver::OPT_FAST_COMPILE), cl::values( clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O0", - "Optimize for compilation speed, not execution speed."), + "An alias for the -O1 option."), clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O1", "Optimize for compilation speed, not execution speed."), clEnumValN(CompilerDriver::OPT_SIMPLE,"O2", @@ -64,16 +70,20 @@ static cl::opt<CompilerDriver::OptimizationLevels> OptLevel( //===------------------------------------------------------------------------=== static cl::opt<std::string> PPToolOpts("Tpp", cl::ZeroOrMore, - cl::desc("Pass specific options to the pre-processor")); + cl::desc("Pass specific options to the pre-processor"), + cl::value_desc("option")); static cl::opt<std::string> AsmToolOpts("Tasm", cl::ZeroOrMore, - cl::desc("Pass specific options to the assembler")); + cl::desc("Pass specific options to the assembler"), + cl::value_desc("option")); static cl::opt<std::string> OptToolOpts("Topt", cl::ZeroOrMore, - cl::desc("Pass specific options to the optimizer")); + cl::desc("Pass specific options to the optimizer"), + cl::value_desc("option")); static cl::opt<std::string> LinkToolOpts("Tlink", cl::ZeroOrMore, - cl::desc("Pass specific options to the linker")); + cl::desc("Pass specific options to the linker"), + cl::value_desc("option")); //===------------------------------------------------------------------------=== //=== INPUT OPTIONS @@ -90,40 +100,47 @@ static cl::list<std::string> Libraries("l", cl::Prefix, //=== OUTPUT OPTIONS //===------------------------------------------------------------------------=== -static cl::opt<std::string> OutputFilename("o", cl::init("a.out"), +static cl::opt<std::string> OutputFilename("o", cl::desc("Override output filename"), cl::value_desc("filename")); -static cl::opt<std::string> OutputMachne("m", cl::Prefix, +static cl::opt<std::string> OutputMachine("m", cl::Prefix, cl::desc("Specify a target machine"), cl::value_desc("machine")); -static cl::opt<bool> Native("native", +static cl::opt<bool> Native("native", cl::init(false), cl::desc("Generative native object and executables instead of bytecode")); //===------------------------------------------------------------------------=== //=== INFORMATION OPTIONS //===------------------------------------------------------------------------=== -static cl::opt<bool> NoOperation("no-operation", cl::Optional, - cl::desc("Do not perform actions")); +static cl::opt<bool> DryRun("dry-run", cl::Optional, cl::init(false), + cl::desc("Do everything but perform the compilation actions")); -static cl::alias NoOp("n", cl::Optional, - cl::desc("Alias for -no-operation"), cl::aliasopt(NoOperation)); +static cl::alias DryRunAlias("y", cl::Optional, + cl::desc("Alias for -dry-run"), cl::aliasopt(DryRun)); -static cl::opt<bool> Verbose("verbose", cl::Optional, +static cl::opt<bool> Verbose("verbose", cl::Optional, cl::init(false), cl::desc("Print out each action taken")); -static cl::alias VerboseAlias("v", cl::Optional, +static cl::alias VerboseAlias("v", cl::Optional, cl::desc("Alias for -verbose"), cl::aliasopt(Verbose)); -static cl::opt<bool> TimeActions("time-actions", cl::Optional, +static cl::opt<bool> Debug("debug", cl::Optional, cl::init(false), + cl::Hidden, cl::desc("Print out debugging information")); + +static cl::alias DebugAlias("d", cl::Optional, + cl::desc("Alias for -debug"), cl::aliasopt(Debug)); + +static cl::opt<bool> TimeActions("time-actions", cl::Optional, cl::init(false), cl::desc("Print execution time for each action taken")); //===------------------------------------------------------------------------=== //=== ADVANCED OPTIONS //===------------------------------------------------------------------------=== -static cl::list<std::string> ConfigFiles("config-dir", cl::Optional, - cl::desc("Specify a configuration directory to override defaults")); +static cl::opt<std::string> ConfigDir("config-dir", cl::Optional, + cl::desc("Specify a configuration directory to override defaults"), + cl::value_desc("directory")); static cl::opt<bool> EmitRawCode("emit-raw-code", cl::Hidden, cl::desc("Emit raw, unoptimized code")); @@ -133,7 +150,37 @@ static cl::opt<bool> EmitRawCode("emit-raw-code", cl::Hidden, //===------------------------------------------------------------------------=== static cl::list<std::string> Files(cl::Positional, cl::OneOrMore, - cl::desc("Source and object files")); + cl::desc("[Sources/objects/libraries]")); + +static cl::list<std::string> Languages("x", cl::ZeroOrMore, + cl::desc("Specify the source language for subsequent files"), + cl::value_desc("language")); + +//===------------------------------------------------------------------------=== +//=== GetFileType - determine type of a file +//===------------------------------------------------------------------------=== +const std::string GetFileType(const std::string& fname, unsigned pos ) { + static std::vector<std::string>::iterator langIt = Languages.begin(); + static std::string CurrLang = ""; + + // If a -x LANG option has been specified .. + if ( langIt != Languages.end() ) + // If the -x LANG option came before the current file on command line + if ( Languages.getPosition( langIt - Languages.begin() ) < pos ) { + // use that language + CurrLang = *langIt++; + return CurrLang; + } + + // If there's a current language in effect + if (!CurrLang.empty()) + return CurrLang; // use that language + + // otherwise just determine lang from the filename's suffix + return fname.substr( fname.rfind('.',fname.size()) + 1 ); +} + +} // end anonymous namespace /// @brief The main program for llvmc @@ -148,14 +195,66 @@ int main(int argc, char **argv) { " and source language compiler tools.\n" ); + // Deal with unimplemented options. + if (Native) + std::cerr << argv[0] << ": Not implemented yet: -native"; + if (EmitRawCode) + std::cerr << argv[0] << ": Not implemented yet: -emit-raw-code"; + + // Default the output file, only if we're going to try to link + if (OutputFilename.empty() && OptLevel == CompilerDriver::LINKING) + OutputFilename = "a.out"; + + // Construct the ConfigDataProvider object + LLVMC_ConfigDataProvider Provider; + // Construct the CompilerDriver object - //CompilerDriver CD; + CompilerDriver CD(Provider); + + // Configure the driver based on options + CD.setVerbose(Verbose); + CD.setDebug(Debug); + CD.setDryRun(DryRun); + CD.setFinalPhase(FinalPhase); + CD.setOptimization(OptLevel); + CD.setOutputMachine(OutputMachine); + CD.setEmitNativeCode(Native); + CD.setEmitRawCode(EmitRawCode); + std::vector<std::string>::iterator pathIt = LibPaths.begin(); + while ( pathIt != LibPaths.end() ) { + CD.addLibraryPath( *pathIt++ ); + } - // Set the options for the Compiler Driver + // Prepare the list of files to be compiled by the CompilerDriver. + CompilerDriver::InputList InpList; + std::vector<std::string>::iterator fileIt = Files.begin(); + std::vector<std::string>::iterator libIt = Libraries.begin(); + unsigned libPos = 0, filePos = 0; + while ( 1 ) { + if ( libIt != Libraries.end() ) + libPos = Libraries.getPosition( libIt - Libraries.begin() ); + else + libPos = 0; + if ( fileIt != Files.end() ) + filePos = Files.getPosition( fileIt - Files.begin() ); + else + filePos = 0; + + if ( filePos != 0 && (libPos == 0 || filePos < libPos) ) { + // Add a source file + InpList.push_back( std::make_pair(*fileIt, GetFileType(*fileIt,filePos))); + ++fileIt; + } + else if ( libPos != 0 && (filePos == 0 || libPos < filePos) ) { + // Add a library + InpList.push_back( std::make_pair(*libIt++,"")); + } + else + break; // we're done with the list + } // Tell the driver to do its thing - int result = 0; - // result = CD.execute(); + int result = CD.execute(InpList,OutputFilename); if (result != 0) { std::cerr << argv[0] << ": Error executing actions. Terminated.\n"; return result; @@ -164,4 +263,3 @@ int main(int argc, char **argv) { // All is good, return success return 0; } - |
