aboutsummaryrefslogtreecommitdiff
path: root/tools/llvmc/CompilerDriver.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/llvmc/CompilerDriver.cpp')
-rw-r--r--tools/llvmc/CompilerDriver.cpp1083
1 files changed, 564 insertions, 519 deletions
diff --git a/tools/llvmc/CompilerDriver.cpp b/tools/llvmc/CompilerDriver.cpp
index 08d60929a0..7dadf43326 100644
--- a/tools/llvmc/CompilerDriver.cpp
+++ b/tools/llvmc/CompilerDriver.cpp
@@ -14,26 +14,19 @@
#include "CompilerDriver.h"
#include "ConfigLexer.h"
-#include "llvm/Bytecode/Reader.h"
#include "llvm/Module.h"
+#include "llvm/Bytecode/Reader.h"
#include "Support/FileUtilities.h"
-#include "Support/SystemUtils.h"
+#include "Support/SetVector.h"
#include "Support/StringExtras.h"
#include <iostream>
using namespace llvm;
namespace {
- inline std::string RemoveSuffix(const std::string& fullName) {
- size_t dotpos = fullName.rfind('.',fullName.size());
- if ( dotpos == std::string::npos ) return fullName;
- return fullName.substr(0, dotpos);
- }
-
- const char OutputSuffix[] = ".o";
void WriteAction(CompilerDriver::Action* action ) {
- std::cerr << action->program;
+ std::cerr << action->program.c_str();
std::vector<std::string>::iterator I = action->args.begin();
while (I != action->args.end()) {
std::cerr << " " + *I;
@@ -43,7 +36,7 @@ namespace {
}
void DumpAction(CompilerDriver::Action* action) {
- std::cerr << "command = " << action->program;
+ std::cerr << "command = " << action->program.c_str();
std::vector<std::string>::iterator I = action->args.begin();
while (I != action->args.end()) {
std::cerr << " " + *I;
@@ -74,558 +67,610 @@ namespace {
static const char* DefaultFastCompileOptimizations[] = {
"-simplifycfg", "-mem2reg", "-instcombine"
};
-}
-
-// Stuff in this namespace properly belongs in lib/System and needs
-// to be portable but we're avoiding that for now.
-namespace sys {
-
- bool FileIsReadable(const std::string& fname) {
- return 0 == access(fname.c_str(), F_OK | R_OK);
- }
-
- void CleanupTempFile(const std::string& fname) {
- if (FileIsReadable(fname))
- unlink(fname.c_str());
- }
- std::string MakeTemporaryDirectory() {
- char temp_name[64];
- strcpy(temp_name,"/tmp/llvm_XXXXXX");
- if (0 == mkdtemp(temp_name))
- throw std::string("Can't create temporary directory");
- return temp_name;
- }
+ class CompilerDriverImpl : public CompilerDriver {
+ /// @name Constructors
+ /// @{
+ public:
+ CompilerDriverImpl(ConfigDataProvider& confDatProv )
+ : cdp(&confDatProv)
+ , finalPhase(LINKING)
+ , optLevel(OPT_FAST_COMPILE)
+ , Flags(0)
+ , machine()
+ , LibraryPaths()
+ , TempDir()
+ , AdditionalArgs()
+ {
+ TempDir = sys::Path::GetTemporaryDirectory();
+ sys::RemoveDirectoryOnSignal(TempDir);
+ AdditionalArgs.reserve(NUM_PHASES);
+ StringVector emptyVec;
+ for (unsigned i = 0; i < NUM_PHASES; ++i)
+ AdditionalArgs.push_back(emptyVec);
+ }
- std::string FindExecutableInPath(const std::string& program) {
- // First, just see if the program is already executable
- if (isExecutableFile(program)) return program;
-
- // Get the path. If its empty, we can't do anything
- const char *PathStr = getenv("PATH");
- if (PathStr == 0) return "";
-
- // Now we have a colon separated list of directories to search; try them.
- unsigned PathLen = strlen(PathStr);
- while (PathLen) {
- // Find the first colon...
- const char *Colon = std::find(PathStr, PathStr+PathLen, ':');
-
- // Check to see if this first directory contains the executable...
- std::string FilePath = std::string(PathStr, Colon) + '/' + program;
- if (isExecutableFile(FilePath))
- return FilePath; // Found the executable!
-
- // Nope it wasn't in this directory, check the next range!
- PathLen -= Colon-PathStr;
- PathStr = Colon;
-
- // Advance past duplicate coons
- while (*PathStr == ':') {
- PathStr++;
- PathLen--;
+ virtual ~CompilerDriverImpl() {
+ cleanup();
+ cdp = 0;
+ LibraryPaths.clear();
+ AdditionalArgs.clear();
}
- }
- // If we fell out, we ran out of directories in PATH to search, return failure
- return "";
- }
-}
+ /// @}
+ /// @name Methods
+ /// @{
+ public:
+ virtual void setFinalPhase( Phases phase ) {
+ finalPhase = phase;
+ }
-CompilerDriver::CompilerDriver(ConfigDataProvider& confDatProv )
- : cdp(&confDatProv)
- , finalPhase(LINKING)
- , optLevel(OPT_FAST_COMPILE)
- , isDryRun(false)
- , isVerbose(false)
- , isDebug(false)
- , timeActions(false)
- , emitRawCode(false)
- , emitNativeCode(false)
- , keepTemps(false)
- , machine()
- , LibraryPaths()
- , AdditionalArgs()
- , TempDir()
-{
- // FIXME: These libraries are platform specific
- LibraryPaths.push_back("/lib");
- LibraryPaths.push_back("/usr/lib");
- AdditionalArgs.reserve(NUM_PHASES);
- StringVector emptyVec;
- for (unsigned i = 0; i < NUM_PHASES; ++i)
- AdditionalArgs.push_back(emptyVec);
-}
+ virtual void setOptimization( OptimizationLevels level ) {
+ optLevel = level;
+ }
-CompilerDriver::~CompilerDriver() {
- cdp = 0;
- LibraryPaths.clear();
- AdditionalArgs.clear();
-}
+ virtual void setDriverFlags( unsigned flags ) {
+ Flags = flags & DRIVER_FLAGS_MASK;
+ }
-CompilerDriver::ConfigData::ConfigData()
- : langName()
- , PreProcessor()
- , Translator()
- , Optimizer()
- , Assembler()
- , Linker()
-{
- StringVector emptyVec;
- for (unsigned i = 0; i < NUM_PHASES; ++i)
- opts.push_back(emptyVec);
-}
+ virtual void setOutputMachine( const std::string& machineName ) {
+ machine = machineName;
+ }
-void CompilerDriver::error( const std::string& errmsg ) {
- std::cerr << "llvmc: Error: " << errmsg << ".\n";
- exit(1);
-}
+ virtual void setPhaseArgs(Phases phase, const StringVector& opts) {
+ assert(phase <= LINKING && phase >= PREPROCESSING);
+ AdditionalArgs[phase] = opts;
+ }
-CompilerDriver::Action* CompilerDriver::GetAction(ConfigData* cd,
- const std::string& input,
- const std::string& output,
- Phases phase)
-{
- Action* pat = 0; ///< The pattern/template for the action
- Action* action = new Action; ///< The actual action to execute
-
- // Get the action pattern
- switch (phase) {
- case PREPROCESSING: pat = &cd->PreProcessor; break;
- case TRANSLATION: pat = &cd->Translator; break;
- case OPTIMIZATION: pat = &cd->Optimizer; break;
- case ASSEMBLY: pat = &cd->Assembler; break;
- case LINKING: pat = &cd->Linker; break;
- default:
- assert(!"Invalid driver phase!");
- break;
- }
- assert(pat != 0 && "Invalid command pattern");
-
- // Copy over some pattern things that don't need to change
- action->program = pat->program;
- action->flags = pat->flags;
-
- // Do the substitutions from the pattern to the actual
- StringVector::iterator PI = pat->args.begin();
- StringVector::iterator PE = pat->args.end();
- while (PI != PE) {
- if ((*PI)[0] == '%') {
- if (*PI == "%in%") {
- action->args.push_back(input);
- } else if (*PI == "%out%") {
- action->args.push_back(output);
- } else if (*PI == "%time%") {
- if (timePasses)
- action->args.push_back("-time-passes");
- } else if (*PI == "%stats%") {
- if (showStats)
- action->args.push_back("-stats");
- } else if (*PI == "%target%") {
- // FIXME: Ignore for now
- } else if (*PI == "%opt%") {
- if (!emitRawCode) {
- if (cd->opts.size() > static_cast<unsigned>(optLevel) &&
- !cd->opts[optLevel].empty())
- action->args.insert(action->args.end(), cd->opts[optLevel].begin(),
- cd->opts[optLevel].end());
- else
- error("Optimization options for level " + utostr(unsigned(optLevel)) +
- " were not specified");
+ virtual void setLibraryPaths(const StringVector& paths) {
+ StringVector::const_iterator I = paths.begin();
+ StringVector::const_iterator E = paths.end();
+ while (I != E) {
+ sys::Path tmp;
+ tmp.set_directory(*I);
+ LibraryPaths.push_back(tmp);
+ ++I;
}
- } else if (*PI == "%args%") {
- if (AdditionalArgs.size() > unsigned(phase))
- if (!AdditionalArgs[phase].empty()) {
- // Get specific options for each kind of action type
- StringVector& addargs = AdditionalArgs[phase];
- // Add specific options for each kind of action type
- action->args.insert(action->args.end(), addargs.begin(), addargs.end());
- }
- } else {
- error("Invalid substitution name" + *PI);
}
- } else {
- // Its not a substitution, just put it in the action
- action->args.push_back(*PI);
- }
- PI++;
- }
+ virtual void addLibraryPath( const sys::Path& libPath ) {
+ LibraryPaths.push_back(libPath);
+ }
- // Finally, we're done
- return action;
-}
-
-bool CompilerDriver::DoAction(Action*action) {
- assert(action != 0 && "Invalid Action!");
- if (isVerbose)
- WriteAction(action);
- if (!isDryRun) {
- std::string prog(sys::FindExecutableInPath(action->program));
- if (prog.empty())
- error("Can't find program '" + action->program + "'");
-
- // Get the program's arguments
- const char* argv[action->args.size() + 1];
- argv[0] = prog.c_str();
- unsigned i = 1;
- for (; i <= action->args.size(); ++i)
- argv[i] = action->args[i-1].c_str();
- argv[i] = 0;
-
- // Invoke the program
- return !ExecWait(argv, environ);
- }
- return true;
-}
-
-/// This method tries various variants of a linkage item's file
-/// name to see if it can find an appropriate file to link with
-/// in the directory specified.
-std::string CompilerDriver::GetPathForLinkageItem(const std::string& link_item,
- const std::string& dir) {
- std::string fullpath(dir + "/" + link_item + ".o");
- if (::sys::FileIsReadable(fullpath))
- return fullpath;
- fullpath = dir + "/" + link_item + ".bc";
- if (::sys::FileIsReadable(fullpath))
- return fullpath;
- fullpath = dir + "/lib" + link_item + ".a";
- if (::sys::FileIsReadable(fullpath))
- return fullpath;
- fullpath = dir + "/lib" + link_item + ".so";
- if (::sys::FileIsReadable(fullpath))
- return fullpath;
- return "";
-}
+ /// @}
+ /// @name Functions
+ /// @{
+ private:
+ bool isSet(DriverFlags flag) {
+ return 0 != ((flag & DRIVER_FLAGS_MASK) & Flags);
+ }
-/// This method processes a linkage item. The item could be a
-/// Bytecode file needing translation to native code and that is
-/// dependent on other bytecode libraries, or a native code
-/// library that should just be linked into the program.
-bool CompilerDriver::ProcessLinkageItem(const std::string& link_item,
- SetVector<std::string>& set,
- std::string& err) {
- // First, see if the unadorned file name is not readable. If so,
- // we must track down the file in the lib search path.
- std::string fullpath;
- if (!sys::FileIsReadable(link_item)) {
- // First, look for the library using the -L arguments specified
- // on the command line.
- StringVector::iterator PI = LibraryPaths.begin();
- StringVector::iterator PE = LibraryPaths.end();
- while (PI != PE && fullpath.empty()) {
- fullpath = GetPathForLinkageItem(link_item,*PI);
- ++PI;
- }
+ void cleanup() {
+ if (!isSet(KEEP_TEMPS_FLAG)) {
+ if (TempDir.is_directory() && TempDir.writable())
+ TempDir.destroy_directory(/*remove_contents=*/true);
+ } else {
+ std::cout << "Temporary files are in " << TempDir.get() << "\n";
+ }
+ }
- // If we didn't find the file in any of the library search paths
- // so we have to bail. No where else to look.
- if (fullpath.empty()) {
- err = std::string("Can't find linkage item '") + link_item + "'";
- return false;
- }
- } else {
- fullpath = link_item;
- }
+ sys::Path MakeTempFile(const std::string& basename, const std::string& suffix ) {
+ sys::Path result(TempDir);
+ if (!result.append_file(basename))
+ throw basename + ": can't use this file name";
+ if (!result.append_suffix(suffix))
+ throw suffix + ": can't use this file suffix";
+ return result;
+ }
- // If we got here fullpath is the path to the file, and its readable.
- set.insert(fullpath);
-
- // If its an LLVM bytecode file ...
- if (CheckMagic(fullpath, "llvm")) {
- // Process the dependent libraries recursively
- Module::LibraryListType modlibs;
- if (GetBytecodeDependentLibraries(fullpath,modlibs)) {
- // Traverse the dependent libraries list
- Module::lib_iterator LI = modlibs.begin();
- Module::lib_iterator LE = modlibs.end();
- while ( LI != LE ) {
- if (!ProcessLinkageItem(*LI,set,err)) {
- if (err.empty()) {
- err = std::string("Library '") + *LI +
- "' is not valid for linking but is required by file '" +
- fullpath + "'";
+ Action* GetAction(ConfigData* cd,
+ const sys::Path& input,
+ const sys::Path& output,
+ Phases phase)
+ {
+ Action* pat = 0; ///< The pattern/template for the action
+ Action* action = new Action; ///< The actual action to execute
+
+ // Get the action pattern
+ switch (phase) {
+ case PREPROCESSING: pat = &cd->PreProcessor; break;
+ case TRANSLATION: pat = &cd->Translator; break;
+ case OPTIMIZATION: pat = &cd->Optimizer; break;
+ case ASSEMBLY: pat = &cd->Assembler; break;
+ case LINKING: pat = &cd->Linker; break;
+ default:
+ assert(!"Invalid driver phase!");
+ break;
+ }
+ assert(pat != 0 && "Invalid command pattern");
+
+ // Copy over some pattern things that don't need to change
+ action->program = pat->program;
+ action->flags = pat->flags;
+
+ // Do the substitutions from the pattern to the actual
+ StringVector::iterator PI = pat->args.begin();
+ StringVector::iterator PE = pat->args.end();
+ while (PI != PE) {
+ if ((*PI)[0] == '%') {
+ if (*PI == "%in%") {
+ action->args.push_back(input.get());
+ } else if (*PI == "%out%") {
+ action->args.push_back(output.get());
+ } else if (*PI == "%time%") {
+ if (isSet(TIME_PASSES_FLAG))
+ action->args.push_back("-time-passes");
+ } else if (*PI == "%stats%") {
+ if (isSet(SHOW_STATS_FLAG))
+ action->args.push_back("-stats");
+ } else if (*PI == "%force%") {
+ if (isSet(FORCE_FLAG))
+ action->args.push_back("-f");
+ } else if (*PI == "%verbose%") {
+ if (isSet(VERBOSE_FLAG))
+ action->args.push_back("-v");
+ } else if (*PI == "%target%") {
+ // FIXME: Ignore for now
+ } else if (*PI == "%opt%") {
+ if (!isSet(EMIT_RAW_FLAG)) {
+ if (cd->opts.size() > static_cast<unsigned>(optLevel) &&
+ !cd->opts[optLevel].empty())
+ action->args.insert(action->args.end(), cd->opts[optLevel].begin(),
+ cd->opts[optLevel].end());
+ else
+ throw std::string("Optimization options for level ") +
+ utostr(unsigned(optLevel)) + " were not specified";
+ }
+ } else if (*PI == "%args%") {
+ if (AdditionalArgs.size() > unsigned(phase))
+ if (!AdditionalArgs[phase].empty()) {
+ // Get specific options for each kind of action type
+ StringVector& addargs = AdditionalArgs[phase];
+ // Add specific options for each kind of action type
+ action->args.insert(action->args.end(), addargs.begin(), addargs.end());
+ }
+ } else {
+ throw "Invalid substitution name" + *PI;
+ }
} else {
- err += " which is required by file '" + fullpath + "'";
+ // Its not a substitution, just put it in the action
+ action->args.push_back(*PI);
}
- return false;
+ PI++;
}
- ++LI;
- }
- } else if (err.empty()) {
- err = std::string("The dependent libraries could not be extracted from '")
- + fullpath;
- return false;
- }
- }
- return true;
-}
-int CompilerDriver::execute(const InputList& InpList,
- const std::string& Output ) {
- // Echo the configuration of options if we're running verbose
- if (isDebug)
- {
- std::cerr << "Compiler Driver Options:\n";
- std::cerr << "DryRun = " << isDryRun << "\n";
- std::cerr << "Verbose = " << isVerbose << " \n";
- std::cerr << "TimeActions = " << timeActions << "\n";
- std::cerr << "EmitRawCode = " << emitRawCode << "\n";
- std::cerr << "OutputMachine = " << machine << "\n";
- std::cerr << "EmitNativeCode = " << emitNativeCode << "\n";
- InputList::const_iterator I = InpList.begin();
- while ( I != InpList.end() ) {
- std::cerr << "Input: " << I->first << "(" << I->second << ")\n";
- ++I;
- }
- std::cerr << "Output: " << Output << "\n";
- }
-
- // If there's no input, we're done.
- if (InpList.empty())
- error("Nothing to compile.");
-
- // If they are asking for linking and didn't provide an output
- // file then its an error (no way for us to "make up" a meaningful
- // file name based on the various linker input files).
- if (finalPhase == LINKING && Output.empty())
- error("An output file name must be specified for linker output");
-
- // This vector holds all the resulting actions of the following loop.
- std::vector<Action*> actions;
-
- // Create a temporary directory for our temporary files
- std::string TempDir(sys::MakeTemporaryDirectory());
- std::string TempPreprocessorOut(TempDir + "/preproc.o");
- std::string TempTranslatorOut(TempDir + "/trans.o");
- std::string TempOptimizerOut(TempDir + "/opt.o");
- std::string TempAssemblerOut(TempDir + "/asm.o");
-
- /// PRE-PROCESSING / TRANSLATION / OPTIMIZATION / ASSEMBLY phases
- // for each input item
- std::vector<std::string> LinkageItems;
- std::string OutFile(Output);
- InputList::const_iterator I = InpList.begin();
- while ( I != InpList.end() ) {
- // Get the suffix of the file name
- const std::string& ftype = I->second;
-
- // If its a library, bytecode file, or object file, save
- // it for linking below and short circuit the
- // pre-processing/translation/assembly phases
- if (ftype.empty() || ftype == "o" || ftype == "bc") {
- // We shouldn't get any of these types of files unless we're
- // later going to link. Enforce this limit now.
- if (finalPhase != LINKING) {
- error("Pre-compiled objects found but linking not requested");
+ // Finally, we're done
+ return action;
}
- LinkageItems.push_back(I->first);
- ++I; continue; // short circuit remainder of loop
- }
- // At this point, we know its something we need to translate
- // and/or optimize. See if we can get the configuration data
- // for this kind of file.
- ConfigData* cd = cdp->ProvideConfigData(I->second);
- if (cd == 0)
- error(std::string("Files of type '") + I->second +
- "' are not recognized." );
- if (isDebug)
- DumpConfigData(cd,I->second);
-
- // Initialize the input file
- std::string InFile(I->first);
-
- // PRE-PROCESSING PHASE
- Action& action = cd->PreProcessor;
-
- // Get the preprocessing action, if needed, or error if appropriate
- if (!action.program.empty()) {
- if (action.isSet(REQUIRED_FLAG) || finalPhase == PREPROCESSING) {
- if (finalPhase == PREPROCESSING)
- actions.push_back(GetAction(cd,InFile,OutFile,PREPROCESSING));
- else {
- actions.push_back(GetAction(cd,InFile,TempPreprocessorOut,
- PREPROCESSING));
- InFile = TempPreprocessorOut;
+ bool DoAction(Action*action) {
+ assert(action != 0 && "Invalid Action!");
+ if (isSet(VERBOSE_FLAG))
+ WriteAction(action);
+ if (!isSet(DRY_RUN_FLAG)) {
+ action->program = sys::Program::FindProgramByName(action->program.get());
+ if (action->program.is_empty())
+ throw "Can't find program '" + action->program.get() + "'";
+
+ // Invoke the program
+ return 0 == action->program.ExecuteAndWait(action->args);
}
+ return true;
}
- } else if (finalPhase == PREPROCESSING) {
- error(cd->langName + " does not support pre-processing");
- } else if (action.isSet(REQUIRED_FLAG)) {
- error(std::string("Don't know how to pre-process ") +
- cd->langName + " files");
- }
- // Short-circuit remaining actions if all they want is pre-processing
- if (finalPhase == PREPROCESSING) { ++I; continue; };
+ /// This method tries various variants of a linkage item's file
+ /// name to see if it can find an appropriate file to link with
+ /// in the directory specified.
+ llvm::sys::Path GetPathForLinkageItem(const std::string& link_item,
+ const sys::Path& dir) {
+ sys::Path fullpath(dir);
+ fullpath.append_file(link_item);
+ fullpath.append_suffix("bc");
+ if (fullpath.readable())
+ return fullpath;
+ fullpath.elide_suffix();
+ fullpath.append_suffix("o");
+ if (fullpath.readable())
+ return fullpath;
+ fullpath = dir;
+ fullpath.append_file(std::string("lib") + link_item);
+ fullpath.append_suffix("a");
+ if (fullpath.readable())
+ return fullpath;
+ fullpath.elide_suffix();
+ fullpath.append_suffix("so");
+ if (fullpath.readable())
+ return fullpath;
+
+ // Didn't find one.
+ fullpath.clear();
+ return fullpath;
+ }
- /// TRANSLATION PHASE
- action = cd->Translator;
+ /// This method processes a linkage item. The item could be a
+ /// Bytecode file needing translation to native code and that is
+ /// dependent on other bytecode libraries, or a native code
+ /// library that should just be linked into the program.
+ bool ProcessLinkageItem(const llvm::sys::Path& link_item,
+ SetVector<sys::Path>& set,
+ std::string& err) {
+ // First, see if the unadorned file name is not readable. If so,
+ // we must track down the file in the lib search path.
+ sys::Path fullpath;
+ if (!link_item.readable()) {
+ // First, look for the library using the -L arguments specified
+ // on the command line.
+ PathVector::iterator PI = LibraryPaths.begin();
+ PathVector::iterator PE = LibraryPaths.end();
+ while (PI != PE && fullpath.is_empty()) {
+ fullpath = GetPathForLinkageItem(link_item.get(),*PI);
+ ++PI;
+ }
- // Get the translation action, if needed, or error if appropriate
- if (!action.program.empty()) {
- if (action.isSet(REQUIRED_FLAG) || finalPhase == TRANSLATION) {
- if (finalPhase == TRANSLATION)
- actions.push_back(GetAction(cd,InFile,OutFile,TRANSLATION));
- else {
- actions.push_back(GetAction(cd,InFile,TempTranslatorOut,TRANSLATION));
- InFile = TempTranslatorOut;
+ // If we didn't find the file in any of the library search paths
+ // so we have to bail. No where else to look.
+ if (fullpath.is_empty()) {
+ err = std::string("Can't find linkage item '") + link_item.get() + "'";
+ return false;
+ }
+ } else {
+ fullpath = link_item;
}
- // ll -> bc Helper
- if (action.isSet(OUTPUT_IS_ASM_FLAG)) {
- /// The output of the translator is an LLVM Assembly program
- /// We need to translate it to bytecode
- Action* action = new Action();
- action->program = "llvm-as";
- action->args.push_back(InFile);
- action->args.push_back("-o");
- InFile += ".bc";
- action->args.push_back(InFile);
- actions.push_back(action);
+ // If we got here fullpath is the path to the file, and its readable.
+ set.insert(fullpath);
+
+ // If its an LLVM bytecode file ...
+ if (CheckMagic(fullpath.get(), "llvm")) {
+ // Process the dependent libraries recursively
+ Module::LibraryListType modlibs;
+ if (GetBytecodeDependentLibraries(fullpath.get(),modlibs)) {
+ // Traverse the dependent libraries list
+ Module::lib_iterator LI = modlibs.begin();
+ Module::lib_iterator LE = modlibs.end();
+ while ( LI != LE ) {
+ if (!ProcessLinkageItem(sys::Path(*LI),set,err)) {
+ if (err.empty()) {
+ err = std::string("Library '") + *LI +
+ "' is not valid for linking but is required by file '" +
+ fullpath.get() + "'";
+ } else {
+ err += " which is required by file '" + fullpath.get() + "'";
+ }
+ return false;
+ }
+ ++LI;
+ }
+ } else if (err.empty()) {
+ err = std::string("The dependent libraries could not be extracted from '")
+ + fullpath.get();
+ return false;
+ }
}
+ return true;
}
- } else if (finalPhase == TRANSLATION) {
- error(cd->langName + " does not support translation");
- } else if (action.isSet(REQUIRED_FLAG)) {
- error(std::string("Don't know how to translate ") +
- cd->langName + " files");
- }
- // Short-circuit remaining actions if all they want is translation
- if (finalPhase == TRANSLATION) { ++I; continue; }
-
- /// OPTIMIZATION PHASE
- action = cd->Optimizer;
-
- // Get the optimization action, if needed, or error if appropriate
- if (!emitRawCode) {
- if (!action.program.empty()) {
- if (action.isSet(REQUIRED_FLAG) || finalPhase == OPTIMIZATION) {
- if (finalPhase == OPTIMIZATION)
- actions.push_back(GetAction(cd,InFile,OutFile,OPTIMIZATION));
- else {
- actions.push_back(GetAction(cd,InFile,TempOptimizerOut,OPTIMIZATION));
- InFile = TempOptimizerOut;
+ /// @}
+ /// @name Methods
+ /// @{
+ public:
+ virtual int execute(const InputList& InpList, const sys::Path& Output ) {
+ try {
+ // Echo the configuration of options if we're running verbose
+ if (isSet(DEBUG_FLAG)) {
+ std::cerr << "Compiler Driver Options:\n";
+ std::cerr << "DryRun = " << isSet(DRY_RUN_FLAG) << "\n";
+ std::cerr << "Verbose = " << isSet(VERBOSE_FLAG) << " \n";
+ std::cerr << "TimeActions = " << isSet(TIME_ACTIONS_FLAG) << "\n";
+ std::cerr << "TimePasses = " << isSet(TIME_PASSES_FLAG) << "\n";
+ std::cerr << "ShowStats = " << isSet(SHOW_STATS_FLAG) << "\n";
+ std::cerr << "EmitRawCode = " << isSet(EMIT_RAW_FLAG) << "\n";
+ std::cerr << "EmitNativeCode = " << isSet(EMIT_NATIVE_FLAG) << "\n";
+ std::cerr << "ForceOutput = " << isSet(FORCE_FLAG) << "\n";
+ std::cerr << "KeepTemps = " << isSet(KEEP_TEMPS_FLAG) << "\n";
+ std::cerr << "OutputMachine = " << machine << "\n";
+ InputList::const_iterator I = InpList.begin();
+ while ( I != InpList.end() ) {
+ std::cerr << "Input: " << I->first.get() << "(" << I->second << ")\n";
+ ++I;
+ }
+ std::cerr << "Output: " << Output.get() << "\n";
}
- // ll -> bc Helper
- if (action.isSet(OUTPUT_IS_ASM_FLAG)) {
- /// The output of the translator is an LLVM Assembly program
- /// We need to translate it to bytecode
- Action* action = new Action();
- action->program = "llvm-as";
- action->args.push_back(InFile);
- action->args.push_back("-f");
- action->args.push_back("-o");
- InFile += ".bc";
- action->args.push_back(InFile);
- actions.push_back(action);
+
+ // If there's no input, we're done.
+ if (InpList.empty())
+ throw std::string("Nothing to compile.");
+
+ // If they are asking for linking and didn't provide an output
+ // file then its an error (no way for us to "make up" a meaningful
+ // file name based on the various linker input files).
+ if (finalPhase == LINKING && Output.is_empty())
+ throw std::string(
+ "An output file name must be specified for linker output");
+
+ // This vector holds all the resulting actions of the following loop.
+ std::vector<Action*> actions;
+
+ /// PRE-PROCESSING / TRANSLATION / OPTIMIZATION / ASSEMBLY phases
+ // for each input item
+ SetVector<sys::Path> LinkageItems;
+ sys::Path OutFile(Output);
+ InputList::const_iterator I = InpList.begin();
+ while ( I != InpList.end() ) {
+ // Get the suffix of the file name
+ const std::string& ftype = I->second;
+
+ // If its a library, bytecode file, or object file, save
+ // it for linking below and short circuit the
+ // pre-processing/translation/assembly phases
+ if (ftype.empty() || ftype == "o" || ftype == "bc") {
+ // We shouldn't get any of these types of files unless we're
+ // later going to link. Enforce this limit now.
+ if (finalPhase != LINKING) {
+ throw std::string(
+ "Pre-compiled objects found but linking not requested");
+ }
+ LinkageItems.insert(I->first);
+ ++I; continue; // short circuit remainder of loop
+ }
+
+ // At this point, we know its something we need to translate
+ // and/or optimize. See if we can get the configuration data
+ // for this kind of file.
+ ConfigData* cd = cdp->ProvideConfigData(I->second);
+ if (cd == 0)
+ throw std::string("Files of type '") + I->second +
+ "' are not recognized.";
+ if (isSet(DEBUG_FLAG))
+ DumpConfigData(cd,I->second);
+
+ // Initialize the input file
+ sys::Path InFile(I->first);
+
+ // PRE-PROCESSING PHASE
+ Action& action = cd->PreProcessor;
+
+ // Get the preprocessing action, if needed, or error if appropriate
+ if (!action.program.is_empty()) {
+ if (action.isSet(REQUIRED_FLAG) || finalPhase == PREPROCESSING) {
+ if (finalPhase == PREPROCESSING)
+ actions.push_back(GetAction(cd,InFile,OutFile,PREPROCESSING));
+ else {
+ sys::Path TempFile(MakeTempFile(I->first.get(),"E"));
+ actions.push_back(GetAction(cd,InFile,TempFile,PREPROCESSING));
+ InFile = TempFile;
+ }
+ }
+ } else if (finalPhase == PREPROCESSING) {
+ throw cd->langName + " does not support pre-processing";
+ } else if (action.isSet(REQUIRED_FLAG)) {
+ throw std::string("Don't know how to pre-process ") +
+ cd->langName + " files";
+ }
+
+ // Short-circuit remaining actions if all they want is pre-processing
+ if (finalPhase == PREPROCESSING) { ++I; continue; };
+
+ /// TRANSLATION PHASE
+ action = cd->Translator;
+
+ // Get the translation action, if needed, or error if appropriate
+ if (!action.program.is_empty()) {
+ if (action.isSet(REQUIRED_FLAG) || finalPhase == TRANSLATION) {
+ if (finalPhase == TRANSLATION)
+ actions.push_back(GetAction(cd,InFile,OutFile,TRANSLATION));
+ else {
+ sys::Path TempFile(MakeTempFile(I->first.get(),"trans"));
+ actions.push_back(GetAction(cd,InFile,TempFile,TRANSLATION));
+ InFile = TempFile;
+ }
+
+ // ll -> bc Helper
+ if (action.isSet(OUTPUT_IS_ASM_FLAG)) {
+ /// The output of the translator is an LLVM Assembly program
+ /// We need to translate it to bytecode
+ Action* action = new Action();
+ action->program.set_file("llvm-as");
+ action->args.push_back(InFile.get());
+ action->args.push_back("-o");
+ InFile.append_suffix("bc");
+ action->args.push_back(InFile.get());
+ actions.push_back(action);
+ }
+ }
+ } else if (finalPhase == TRANSLATION) {
+ throw cd->langName + " does not support translation";
+ } else if (action.isSet(REQUIRED_FLAG)) {
+ throw std::string("Don't know how to translate ") +
+ cd->langName + " files";
+ }
+
+ // Short-circuit remaining actions if all they want is translation
+ if (finalPhase == TRANSLATION) { ++I; continue; }
+
+ /// OPTIMIZATION PHASE
+ action = cd->Optimizer;
+
+ // Get the optimization action, if needed, or error if appropriate
+ if (!isSet(EMIT_RAW_FLAG)) {
+ if (!action.program.is_empty()) {
+ if (action.isSet(REQUIRED_FLAG) || finalPhase == OPTIMIZATION) {
+ if (finalPhase == OPTIMIZATION)
+ actions.push_back(GetAction(cd,InFile,OutFile,OPTIMIZATION));
+ else {
+ sys::Path TempFile(MakeTempFile(I->first.get(),"opt"));
+ actions.push_back(GetAction(cd,InFile,TempFile,OPTIMIZATION));
+ InFile = TempFile;
+ }
+ // ll -> bc Helper
+ if (action.isSet(OUTPUT_IS_ASM_FLAG)) {
+ /// The output of the translator is an LLVM Assembly program
+ /// We need to translate it to bytecode
+ Action* action = new Action();
+ action->program.set_file("llvm-as");
+ action->args.push_back(InFile.get());
+ action->args.push_back("-f");
+ action->args.push_back("-o");
+ InFile.append_suffix("bc");
+ action->args.push_back(InFile.get());
+ actions.push_back(action);
+ }
+ }
+ } else if (finalPhase == OPTIMIZATION) {
+ throw cd->langName + " does not support optimization";
+ } else if (action.isSet(REQUIRED_FLAG)) {
+ throw std::string("Don't know how to optimize ") +
+ cd->langName + " files";
+ }
+ }
+
+ // Short-circuit remaining actions if all they want is optimization
+ if (finalPhase == OPTIMIZATION) { ++I; continue; }
+
+ /// ASSEMBLY PHASE
+ action = cd->Assembler;
+
+ if (finalPhase == ASSEMBLY || isSet(EMIT_NATIVE_FLAG)) {
+ if (isSet(EMIT_NATIVE_FLAG)) {
+ if (action.program.is_empty()) {
+ throw std::string("Native Assembler not specified for ") +
+ cd->langName + " files";