From: Mikhail Glushenkov Date: Tue, 6 May 2008 18:09:29 +0000 (+0000) Subject: Rename LLVMCCConfigurationEmitter to LLVMCConfigurationEmitter X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ecbdcf2ae056404cde449783a1ec8ba798c36562;p=oota-llvm.git Rename LLVMCCConfigurationEmitter to LLVMCConfigurationEmitter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50748 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/utils/TableGen/LLVMCCConfigurationEmitter.cpp b/utils/TableGen/LLVMCCConfigurationEmitter.cpp deleted file mode 100644 index e79ff31a431..00000000000 --- a/utils/TableGen/LLVMCCConfigurationEmitter.cpp +++ /dev/null @@ -1,1126 +0,0 @@ -//===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config --------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open -// Source License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This tablegen backend is responsible for emitting LLVMC configuration code. -// -//===----------------------------------------------------------------------===// - -#include "LLVMCCConfigurationEmitter.h" -#include "Record.h" - -#include "llvm/ADT/IntrusiveRefCntPtr.h" -#include "llvm/ADT/SmallVector.h" -#include "llvm/ADT/StringExtras.h" -#include "llvm/ADT/StringMap.h" -#include "llvm/Support/Streams.h" - -#include -#include -#include -#include - -using namespace llvm; - -//namespace { - -//===----------------------------------------------------------------------===// -/// Typedefs - -typedef std::vector RecordVector; -typedef std::vector StrVector; - -//===----------------------------------------------------------------------===// -/// Constants - -// Indentation strings -const char * Indent1 = " "; -const char * Indent2 = " "; -const char * Indent3 = " "; -const char * Indent4 = " "; - -// Default help string -const char * DefaultHelpString = "NO HELP MESSAGE PROVIDED"; - -// Name for the "sink" option -const char * SinkOptionName = "AutoGeneratedSinkOption"; - -//===----------------------------------------------------------------------===// -/// Helper functions - -std::string InitPtrToString(Init* ptr) { - StringInit& val = dynamic_cast(*ptr); - return val.getValue(); -} - -// Ensure that the number of args in d is <= min_arguments, -// throw exception otherwise -void checkNumberOfArguments (const DagInit* d, unsigned min_arguments) { - if (d->getNumArgs() < min_arguments) - throw "Property " + d->getOperator()->getAsString() - + " has too few arguments!"; -} - - -//===----------------------------------------------------------------------===// -/// Back-end specific code - -// A command-line option can have one of the following types: -// -// Switch - a simple switch w/o arguments, e.g. -O2 -// -// Parameter - an option that takes one(and only one) argument, e.g. -o file, -// --output=file -// -// ParameterList - same as Parameter, but more than one occurence -// of the option is allowed, e.g. -lm -lpthread -// -// Prefix - argument is everything after the prefix, -// e.g. -Wa,-foo,-bar, -DNAME=VALUE -// -// PrefixList - same as Prefix, but more than one option occurence is -// allowed - -namespace OptionType { - enum OptionType { Switch, Parameter, ParameterList, Prefix, PrefixList}; -} - -bool IsListOptionType (OptionType::OptionType t) { - return (t == OptionType::ParameterList || t == OptionType::PrefixList); -} - -// Code duplication here is necessary because one option can affect -// several tools and those tools may have different actions associated -// with this option. GlobalOptionDescriptions are used to generate -// the option registration code, while ToolOptionDescriptions are used -// to generate tool-specific code. - -// Base class for option descriptions - -struct OptionDescription { - OptionType::OptionType Type; - std::string Name; - - OptionDescription(OptionType::OptionType t = OptionType::Switch, - const std::string& n = "") - : Type(t), Name(n) - {} - - const char* GenTypeDeclaration() const { - switch (Type) { - case OptionType::PrefixList: - case OptionType::ParameterList: - return "cl::list"; - case OptionType::Switch: - return "cl::opt"; - case OptionType::Parameter: - case OptionType::Prefix: - default: - return "cl::opt"; - } - } - - std::string GenVariableName() const { - switch (Type) { - case OptionType::Switch: - return "AutoGeneratedSwitch" + Name; - case OptionType::Prefix: - return "AutoGeneratedPrefix" + Name; - case OptionType::PrefixList: - return "AutoGeneratedPrefixList" + Name; - case OptionType::Parameter: - return "AutoGeneratedParameter" + Name; - case OptionType::ParameterList: - default: - return "AutoGeneratedParameterList" + Name; - } - } - -}; - -// Global option description - -namespace GlobalOptionDescriptionFlags { - enum GlobalOptionDescriptionFlags { Required = 0x1 }; -} - -struct GlobalOptionDescription : public OptionDescription { - std::string Help; - unsigned Flags; - - // We need t provide a default constructor since - // StringMap can only store DefaultConstructible objects - GlobalOptionDescription() : OptionDescription(), Flags(0) - {} - - GlobalOptionDescription (OptionType::OptionType t, const std::string& n) - : OptionDescription(t, n), Help(DefaultHelpString), Flags(0) - {} - - bool isRequired() const { - return Flags & GlobalOptionDescriptionFlags::Required; - } - void setRequired() { - Flags |= GlobalOptionDescriptionFlags::Required; - } - - // Merge two option descriptions - void Merge (const GlobalOptionDescription& other) - { - if (other.Type != Type) - throw "Conflicting definitions for the option " + Name + "!"; - - if (Help.empty() && !other.Help.empty()) - Help = other.Help; - else if (!Help.empty() && !other.Help.empty()) - cerr << "Warning: more than one help string defined for option " - + Name + "\n"; - - Flags |= other.Flags; - } -}; - -// A GlobalOptionDescription array -// + some flags affecting generation of option declarations -struct GlobalOptionDescriptions { - typedef StringMap container_type; - typedef container_type::const_iterator const_iterator; - - // A list of GlobalOptionDescriptions - container_type Descriptions; - // Should the emitter generate a "cl::sink" option? - bool HasSink; - - const GlobalOptionDescription& FindOption(const std::string& OptName) const { - const_iterator I = Descriptions.find(OptName); - if (I != Descriptions.end()) - return I->second; - else - throw OptName + ": no such option!"; - } - - // Support for STL-style iteration - const_iterator begin() const { return Descriptions.begin(); } - const_iterator end() const { return Descriptions.end(); } -}; - - -// Tool-local option description - -// Properties without arguments are implemented as flags -namespace ToolOptionDescriptionFlags { - enum ToolOptionDescriptionFlags { StopCompilation = 0x1, - Forward = 0x2, UnpackValues = 0x4}; -} -namespace OptionPropertyType { - enum OptionPropertyType { AppendCmd }; -} - -typedef std::pair -OptionProperty; -typedef SmallVector OptionPropertyList; - -struct ToolOptionDescription : public OptionDescription { - unsigned Flags; - OptionPropertyList Props; - - // StringMap can only store DefaultConstructible objects - ToolOptionDescription() : OptionDescription(), Flags(0) {} - - ToolOptionDescription (OptionType::OptionType t, const std::string& n) - : OptionDescription(t, n) - {} - - // Various boolean properties - bool isStopCompilation() const { - return Flags & ToolOptionDescriptionFlags::StopCompilation; - } - void setStopCompilation() { - Flags |= ToolOptionDescriptionFlags::StopCompilation; - } - - bool isForward() const { - return Flags & ToolOptionDescriptionFlags::Forward; - } - void setForward() { - Flags |= ToolOptionDescriptionFlags::Forward; - } - - bool isUnpackValues() const { - return Flags & ToolOptionDescriptionFlags::UnpackValues; - } - void setUnpackValues() { - Flags |= ToolOptionDescriptionFlags::UnpackValues; - } - - void AddProperty (OptionPropertyType::OptionPropertyType t, - const std::string& val) - { - Props.push_back(std::make_pair(t, val)); - } -}; - -typedef StringMap ToolOptionDescriptions; - -// Tool information record - -namespace ToolFlags { - enum ToolFlags { Join = 0x1, Sink = 0x2 }; -} - -struct ToolProperties : public RefCountedBase { - std::string Name; - StrVector CmdLine; - std::string InLanguage; - std::string OutLanguage; - std::string OutputSuffix; - unsigned Flags; - ToolOptionDescriptions OptDescs; - - // Various boolean properties - void setSink() { Flags |= ToolFlags::Sink; } - bool isSink() const { return Flags & ToolFlags::Sink; } - void setJoin() { Flags |= ToolFlags::Join; } - bool isJoin() const { return Flags & ToolFlags::Join; } - - // Default ctor here is needed because StringMap can only store - // DefaultConstructible objects - ToolProperties() {} - ToolProperties (const std::string& n) : Name(n) {} -}; - - -// A list of Tool information records -// IntrusiveRefCntPtrs are used because StringMap has no copy constructor -// (and we want to avoid copying ToolProperties anyway) -typedef std::vector > ToolPropertiesList; - - -// Function object for iterating over a list of tool property records -class CollectProperties { -private: - - /// Implementation details - - // "Property handler" - a function that extracts information - // about a given tool property from its DAG representation - typedef void (CollectProperties::*PropertyHandler)(DagInit*); - - // Map from property names -> property handlers - typedef StringMap PropertyHandlerMap; - - // "Option property handler" - a function that extracts information - // about a given option property from its DAG representation - typedef void (CollectProperties::* - OptionPropertyHandler)(DagInit*, GlobalOptionDescription &); - - // Map from option property names -> option property handlers - typedef StringMap OptionPropertyHandlerMap; - - // Static maps from strings to CollectProperties methods("handlers") - static PropertyHandlerMap propertyHandlers_; - static OptionPropertyHandlerMap optionPropertyHandlers_; - static bool staticMembersInitialized_; - - - /// This is where the information is stored - - // Current Tool properties - ToolProperties& toolProps_; - // OptionDescriptions table(used to register options globally) - GlobalOptionDescriptions& optDescs_; - -public: - - explicit CollectProperties (ToolProperties& p, GlobalOptionDescriptions& d) - : toolProps_(p), optDescs_(d) - { - if (!staticMembersInitialized_) { - // Init tool property handlers - propertyHandlers_["cmd_line"] = &CollectProperties::onCmdLine; - propertyHandlers_["in_language"] = &CollectProperties::onInLanguage; - propertyHandlers_["join"] = &CollectProperties::onJoin; - propertyHandlers_["out_language"] = &CollectProperties::onOutLanguage; - propertyHandlers_["output_suffix"] = &CollectProperties::onOutputSuffix; - propertyHandlers_["parameter_option"] - = &CollectProperties::onParameter; - propertyHandlers_["parameter_list_option"] = - &CollectProperties::onParameterList; - propertyHandlers_["prefix_option"] = &CollectProperties::onPrefix; - propertyHandlers_["prefix_list_option"] = - &CollectProperties::onPrefixList; - propertyHandlers_["sink"] = &CollectProperties::onSink; - propertyHandlers_["switch_option"] = &CollectProperties::onSwitch; - - // Init option property handlers - optionPropertyHandlers_["append_cmd"] = &CollectProperties::onAppendCmd; - optionPropertyHandlers_["forward"] = &CollectProperties::onForward; - optionPropertyHandlers_["help"] = &CollectProperties::onHelp; - optionPropertyHandlers_["required"] = &CollectProperties::onRequired; - optionPropertyHandlers_["stop_compilation"] = - &CollectProperties::onStopCompilation; - optionPropertyHandlers_["unpack_values"] = - &CollectProperties::onUnpackValues; - - staticMembersInitialized_ = true; - } - } - - // Gets called for every tool property; - // Just forwards to the corresponding property handler. - void operator() (Init* i) { - DagInit& d = dynamic_cast(*i); - const std::string& property_name = d.getOperator()->getAsString(); - PropertyHandlerMap::iterator method - = propertyHandlers_.find(property_name); - - if (method != propertyHandlers_.end()) { - PropertyHandler h = method->second; - (this->*h)(&d); - } - else { - throw "Unknown tool property: " + property_name + "!"; - } - } - -private: - - /// Property handlers -- - /// Functions that extract information about tool properties from - /// DAG representation. - - void onCmdLine (DagInit* d) { - checkNumberOfArguments(d, 1); - SplitString(InitPtrToString(d->getArg(0)), toolProps_.CmdLine); - if (toolProps_.CmdLine.empty()) - throw "Tool " + toolProps_.Name + " has empty command line!"; - } - - void onInLanguage (DagInit* d) { - checkNumberOfArguments(d, 1); - toolProps_.InLanguage = InitPtrToString(d->getArg(0)); - } - - void onJoin (DagInit* d) { - checkNumberOfArguments(d, 0); - toolProps_.setJoin(); - } - - void onOutLanguage (DagInit* d) { - checkNumberOfArguments(d, 1); - toolProps_.OutLanguage = InitPtrToString(d->getArg(0)); - } - - void onOutputSuffix (DagInit* d) { - checkNumberOfArguments(d, 1); - toolProps_.OutputSuffix = InitPtrToString(d->getArg(0)); - } - - void onSink (DagInit* d) { - checkNumberOfArguments(d, 0); - optDescs_.HasSink = true; - toolProps_.setSink(); - } - - void onSwitch (DagInit* d) { addOption(d, OptionType::Switch); } - void onParameter (DagInit* d) { addOption(d, OptionType::Parameter); } - void onParameterList (DagInit* d) { addOption(d, OptionType::ParameterList); } - void onPrefix (DagInit* d) { addOption(d, OptionType::Prefix); } - void onPrefixList (DagInit* d) { addOption(d, OptionType::PrefixList); } - - /// Option property handlers -- - /// Methods that handle properties that are common for all types of - /// options (like append_cmd, stop_compilation) - - void onAppendCmd (DagInit* d, GlobalOptionDescription& o) { - checkNumberOfArguments(d, 1); - std::string const& cmd = InitPtrToString(d->getArg(0)); - - toolProps_.OptDescs[o.Name].AddProperty(OptionPropertyType::AppendCmd, cmd); - } - - void onForward (DagInit* d, GlobalOptionDescription& o) { - checkNumberOfArguments(d, 0); - toolProps_.OptDescs[o.Name].setForward(); - } - - void onHelp (DagInit* d, GlobalOptionDescription& o) { - checkNumberOfArguments(d, 1); - const std::string& help_message = InitPtrToString(d->getArg(0)); - - o.Help = help_message; - } - - void onRequired (DagInit* d, GlobalOptionDescription& o) { - checkNumberOfArguments(d, 0); - o.setRequired(); - } - - void onStopCompilation (DagInit* d, GlobalOptionDescription& o) { - checkNumberOfArguments(d, 0); - if (o.Type != OptionType::Switch) - throw std::string("Only options of type Switch can stop compilation!"); - toolProps_.OptDescs[o.Name].setStopCompilation(); - } - - void onUnpackValues (DagInit* d, GlobalOptionDescription& o) { - checkNumberOfArguments(d, 0); - toolProps_.OptDescs[o.Name].setUnpackValues(); - } - - /// Helper functions - - // Add an option of type t - void addOption (DagInit* d, OptionType::OptionType t) { - checkNumberOfArguments(d, 2); - const std::string& name = InitPtrToString(d->getArg(0)); - - GlobalOptionDescription o(t, name); - toolProps_.OptDescs[name].Type = t; - toolProps_.OptDescs[name].Name = name; - processOptionProperties(d, o); - insertDescription(o); - } - - // Insert new GlobalOptionDescription into GlobalOptionDescriptions list - void insertDescription (const GlobalOptionDescription& o) - { - if (optDescs_.Descriptions.count(o.Name)) { - GlobalOptionDescription& D = optDescs_.Descriptions[o.Name]; - D.Merge(o); - } - else { - optDescs_.Descriptions[o.Name] = o; - } - } - - // Go through the list of option properties and call a corresponding - // handler for each. - // - // Parameters: - // name - option name - // d - option property list - void processOptionProperties (DagInit* d, GlobalOptionDescription& o) { - // First argument is option name - checkNumberOfArguments(d, 2); - - for (unsigned B = 1, E = d->getNumArgs(); B!=E; ++B) { - DagInit& option_property - = dynamic_cast(*d->getArg(B)); - const std::string& option_property_name - = option_property.getOperator()->getAsString(); - OptionPropertyHandlerMap::iterator method - = optionPropertyHandlers_.find(option_property_name); - - if (method != optionPropertyHandlers_.end()) { - OptionPropertyHandler h = method->second; - (this->*h)(&option_property, o); - } - else { - throw "Unknown option property: " + option_property_name + "!"; - } - } - } -}; - -// Static members of CollectProperties -CollectProperties::PropertyHandlerMap -CollectProperties::propertyHandlers_; - -CollectProperties::OptionPropertyHandlerMap -CollectProperties::optionPropertyHandlers_; - -bool CollectProperties::staticMembersInitialized_ = false; - - -// Gather information from the parsed TableGen data -// (Basically a wrapper for CollectProperties) -void CollectToolProperties (RecordVector::const_iterator B, - RecordVector::const_iterator E, - ToolPropertiesList& TPList, - GlobalOptionDescriptions& OptDescs) -{ - // Iterate over a properties list of every Tool definition - for (;B!=E;++B) { - RecordVector::value_type T = *B; - ListInit* PropList = T->getValueAsListInit("properties"); - - IntrusiveRefCntPtr - ToolProps(new ToolProperties(T->getName())); - - std::for_each(PropList->begin(), PropList->end(), - CollectProperties(*ToolProps, OptDescs)); - TPList.push_back(ToolProps); - } -} - -// Used by EmitGenerateActionMethod -void EmitOptionPropertyHandlingCode (const ToolProperties& P, - const ToolOptionDescription& D, - std::ostream& O) -{ - // if clause - O << Indent2 << "if ("; - if (D.Type == OptionType::Switch) - O << D.GenVariableName(); - else - O << '!' << D.GenVariableName() << ".empty()"; - - O <<") {\n"; - - // Handle option properties that take an argument - for (OptionPropertyList::const_iterator B = D.Props.begin(), - E = D.Props.end(); B!=E; ++B) { - const OptionProperty& val = *B; - - switch (val.first) { - // (append_cmd cmd) property - case OptionPropertyType::AppendCmd: - O << Indent3 << "vec.push_back(\"" << val.second << "\");\n"; - break; - // Other properties with argument - default: - break; - } - } - - // Handle flags - - // (forward) property - if (D.isForward()) { - switch (D.Type) { - case OptionType::Switch: - O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n"; - break; - case OptionType::Parameter: - O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n"; - O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n"; - break; - case OptionType::Prefix: - O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + " - << D.GenVariableName() << ");\n"; - break; - case OptionType::PrefixList: - O << Indent3 << "for (" << D.GenTypeDeclaration() - << "::iterator B = " << D.GenVariableName() << ".begin(),\n" - << Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n" - << Indent4 << "vec.push_back(\"-" << D.Name << "\" + " - << "*B);\n"; - break; - case OptionType::ParameterList: - O << Indent3 << "for (" << D.GenTypeDeclaration() - << "::iterator B = " << D.GenVariableName() << ".begin(),\n" - << Indent3 << "E = " << D.GenVariableName() - << ".end() ; B != E; ++B) {\n" - << Indent4 << "vec.push_back(\"-" << D.Name << "\");\n" - << Indent4 << "vec.push_back(*B);\n" - << Indent3 << "}\n"; - break; - } - } - - // (unpack_values) property - if (D.isUnpackValues()) { - if (IsListOptionType(D.Type)) { - O << Indent3 << "for (" << D.GenTypeDeclaration() - << "::iterator B = " << D.GenVariableName() << ".begin(),\n" - << Indent3 << "E = " << D.GenVariableName() - << ".end(); B != E; ++B)\n" - << Indent4 << "Tool::UnpackValues(*B, vec);\n"; - } - else if (D.Type == OptionType::Prefix || D.Type == OptionType::Parameter){ - O << Indent3 << "Tool::UnpackValues(" - << D.GenVariableName() << ", vec);\n"; - } - else { - // TOFIX: move this to the type-checking phase - throw std::string("Switches can't have unpack_values property!"); - } - } - - // close if clause - O << Indent2 << "}\n"; -} - -// Emite one of two versions of GenerateAction method -void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O) -{ - assert(V==1 || V==2); - if (V==1) - O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"; - else - O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n"; - - O << Indent2 << "const sys::Path& outFile) const\n" - << Indent1 << "{\n" - << Indent2 << "std::vector vec;\n"; - - // Parse CmdLine tool property - if(P.CmdLine.empty()) - throw "Tool " + P.Name + " has empty command line!"; - - StrVector::const_iterator I = P.CmdLine.begin(); - ++I; - for (StrVector::const_iterator E = P.CmdLine.end(); I != E; ++I) { - const std::string& cmd = *I; - O << Indent2; - if (cmd == "$INFILE") { - if (V==1) - O << "for (PathVector::const_iterator B = inFiles.begin()" - << ", E = inFiles.end();\n" - << Indent2 << "B != E; ++B)\n" - << Indent3 << "vec.push_back(B->toString());\n"; - else - O << "vec.push_back(inFile.toString());\n"; - } - else if (cmd == "$OUTFILE") { - O << "vec.push_back(outFile.toString());\n"; - } - else { - O << "vec.push_back(\"" << cmd << "\");\n"; - } - } - - // For every understood option, emit handling code - for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(), - E = P.OptDescs.end(); B != E; ++B) { - const ToolOptionDescription& val = B->second; - EmitOptionPropertyHandlingCode(P, val, O); - } - - // Handle Sink property - if (P.isSink()) { - O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n" - << Indent3 << "vec.insert(vec.end(), " - << SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n" - << Indent2 << "}\n"; - } - - O << Indent2 << "return Action(\"" << P.CmdLine.at(0) << "\", vec);\n" - << Indent1 << "}\n\n"; -} - -// Emit GenerateAction methods for Tool classes -void EmitGenerateActionMethods (const ToolProperties& P, std::ostream& O) { - - if (!P.isJoin()) - O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n" - << Indent2 << "const llvm::sys::Path& outFile) const\n" - << Indent1 << "{\n" - << Indent2 << "throw std::runtime_error(\"" << P.Name - << " is not a Join tool!\");\n" - << Indent1 << "}\n\n"; - else - EmitGenerateActionMethod(P, 1, O); - - EmitGenerateActionMethod(P, 2, O); -} - -// Emit IsLast() method for Tool classes -void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) { - O << Indent1 << "bool IsLast() const {\n" - << Indent2 << "bool last = false;\n"; - - for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(), - E = P.OptDescs.end(); B != E; ++B) { - const ToolOptionDescription& val = B->second; - - if (val.isStopCompilation()) - O << Indent2 - << "if (" << val.GenVariableName() - << ")\n" << Indent3 << "last = true;\n"; - } - - O << Indent2 << "return last;\n" - << Indent1 << "}\n\n"; -} - -// Emit static [Input,Output]Language() methods for Tool classes -void EmitInOutLanguageMethods (const ToolProperties& P, std::ostream& O) { - O << Indent1 << "const char* InputLanguage() const {\n" - << Indent2 << "return \"" << P.InLanguage << "\";\n" - << Indent1 << "}\n\n"; - - O << Indent1 << "const char* OutputLanguage() const {\n" - << Indent2 << "return \"" << P.OutLanguage << "\";\n" - << Indent1 << "}\n\n"; -} - -// Emit static [Input,Output]Language() methods for Tool classes -void EmitOutputSuffixMethod (const ToolProperties& P, std::ostream& O) { - O << Indent1 << "const char* OutputSuffix() const {\n" - << Indent2 << "return \"" << P.OutputSuffix << "\";\n" - << Indent1 << "}\n\n"; -} - -// Emit static Name() method for Tool classes -void EmitNameMethod (const ToolProperties& P, std::ostream& O) { - O << Indent1 << "const char* Name() const {\n" - << Indent2 << "return \"" << P.Name << "\";\n" - << Indent1 << "}\n\n"; -} - -// Emit static Name() method for Tool classes -void EmitIsJoinMethod (const ToolProperties& P, std::ostream& O) { - O << Indent1 << "bool IsJoin() const {\n"; - if (P.isJoin()) - O << Indent2 << "return true;\n"; - else - O << Indent2 << "return false;\n"; - O << Indent1 << "}\n\n"; -} - -// Emit a Tool class definition -void EmitToolClassDefinition (const ToolProperties& P, std::ostream& O) { - - if(P.Name == "root") - return; - - // Header - O << "class " << P.Name << " : public "; - if (P.isJoin()) - O << "JoinTool"; - else - O << "Tool"; - O << " {\npublic:\n"; - - EmitNameMethod(P, O); - EmitInOutLanguageMethods(P, O); - EmitOutputSuffixMethod(P, O); - EmitIsJoinMethod(P, O); - EmitGenerateActionMethods(P, O); - EmitIsLastMethod(P, O); - - // Close class definition - O << "};\n\n"; -} - -// Iterate over a list of option descriptions and emit registration code -void EmitOptionDescriptions (const GlobalOptionDescriptions& descs, - std::ostream& O) -{ - // Emit static cl::Option variables - for (GlobalOptionDescriptions::const_iterator B = descs.begin(), - E = descs.end(); B!=E; ++B) { - const GlobalOptionDescription& val = B->second; - - O << val.GenTypeDeclaration() << ' ' - << val.GenVariableName() - << "(\"" << val.Name << '\"'; - - if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList) - O << ", cl::Prefix"; - - if (val.isRequired()) { - switch (val.Type) { - case OptionType::PrefixList: - case OptionType::ParameterList: - O << ", cl::OneOrMore"; - break; - default: - O << ", cl::Required"; - } - } - - O << ", cl::desc(\"" << val.Help << "\"));\n"; - } - - if (descs.HasSink) - O << "cl::list " << SinkOptionName << "(cl::Sink);\n"; - - O << '\n'; -} - -void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O) -{ - // Get the relevant field out of RecordKeeper - Record* LangMapRecord = Records.getDef("LanguageMap"); - if (!LangMapRecord) - throw std::string("Language map definition not found!"); - - ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map"); - if (!LangsToSuffixesList) - throw std::string("Error in the language map definition!"); - - // Generate code - O << "void llvmc::PopulateLanguageMap(LanguageMap& language_map) {\n"; - - for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) { - Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i); - - const std::string& Lang = LangToSuffixes->getValueAsString("lang"); - const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes"); - - for (unsigned i = 0; i < Suffixes->size(); ++i) - O << Indent1 << "language_map[\"" - << InitPtrToString(Suffixes->getElement(i)) - << "\"] = \"" << Lang << "\";\n"; - } - - O << "}\n\n"; -} - -// Fills in two tables that map tool names to (input, output) languages. -// Used by the typechecker. -void FillInToolToLang (const ToolPropertiesList& TPList, - StringMap& ToolToInLang, - StringMap& ToolToOutLang) { - for (ToolPropertiesList::const_iterator B = TPList.begin(), E = TPList.end(); - B != E; ++B) { - const ToolProperties& P = *(*B); - ToolToInLang[P.Name] = P.InLanguage; - ToolToOutLang[P.Name] = P.OutLanguage; - } -} - -// Check that all output and input language names match. -// TOFIX: check for cycles. -// TOFIX: check for multiple default edges. -void TypecheckGraph (Record* CompilationGraph, - const ToolPropertiesList& TPList) { - StringMap ToolToInLang; - StringMap ToolToOutLang; - - FillInToolToLang(TPList, ToolToInLang, ToolToOutLang); - ListInit* edges = CompilationGraph->getValueAsListInit("edges"); - StringMap::iterator IAE = ToolToInLang.end(); - StringMap::iterator IBE = ToolToOutLang.end(); - - for (unsigned i = 0; i < edges->size(); ++i) { - Record* Edge = edges->getElementAsRecord(i); - Record* A = Edge->getValueAsDef("a"); - Record* B = Edge->getValueAsDef("b"); - StringMap::iterator IA = ToolToOutLang.find(A->getName()); - StringMap::iterator IB = ToolToInLang.find(B->getName()); - if(IA == IAE) - throw A->getName() + ": no such tool!"; - if(IB == IBE) - throw B->getName() + ": no such tool!"; - if(A->getName() != "root" && IA->second != IB->second) - throw "Edge " + A->getName() + "->" + B->getName() - + ": output->input language mismatch"; - if(B->getName() == "root") - throw std::string("Edges back to the root are not allowed!"); - } -} - -// Helper function used by EmitEdgePropertyTest. -void EmitEdgePropertyTest1Arg(const DagInit& Prop, - const GlobalOptionDescriptions& OptDescs, - std::ostream& O) { - checkNumberOfArguments(&Prop, 1); - const std::string& OptName = InitPtrToString(Prop.getArg(0)); - const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName); - if (OptDesc.Type != OptionType::Switch) - throw OptName + ": incorrect option type!"; - O << OptDesc.GenVariableName(); -} - -// Helper function used by EmitEdgePropertyTest. -void EmitEdgePropertyTest2Args(const std::string& PropName, - const DagInit& Prop, - const GlobalOptionDescriptions& OptDescs, - std::ostream& O) { - checkNumberOfArguments(&Prop, 2); - const std::string& OptName = InitPtrToString(Prop.getArg(0)); - const std::string& OptArg = InitPtrToString(Prop.getArg(1)); - const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName); - - if (PropName == "parameter_equals") { - if (OptDesc.Type != OptionType::Parameter - && OptDesc.Type != OptionType::Prefix) - throw OptName + ": incorrect option type!"; - O << OptDesc.GenVariableName() << " == \"" << OptArg << "\""; - } - else if (PropName == "element_in_list") { - if (OptDesc.Type != OptionType::ParameterList - && OptDesc.Type != OptionType::PrefixList) - throw OptName + ": incorrect option type!"; - const std::string& VarName = OptDesc.GenVariableName(); - O << "std::find(" << VarName << ".begin(),\n" - << Indent3 << VarName << ".end(), \"" - << OptArg << "\") != " << VarName << ".end()"; - } - else - throw PropName + ": unknown edge property!"; -} - -// Helper function used by EmitEdgeClass. -void EmitEdgePropertyTest(const std::string& PropName, - const DagInit& Prop, - const GlobalOptionDescriptions& OptDescs, - std::ostream& O) { - if (PropName == "switch_on") - EmitEdgePropertyTest1Arg(Prop, OptDescs, O); - else - EmitEdgePropertyTest2Args(PropName, Prop, OptDescs, O); -} - -// Emit a single Edge* class. -void EmitEdgeClass(unsigned N, const std::string& Target, - ListInit* Props, const GlobalOptionDescriptions& OptDescs, - std::ostream& O) { - bool IsDefault = false; - - // Class constructor. - O << "class Edge" << N << ": public Edge {\n" - << "public:\n" - << Indent1 << "Edge" << N << "() : Edge(\"" << Target - << "\") {}\n\n" - - // Function isEnabled(). - << Indent1 << "bool isEnabled() const {\n" - << Indent2 << "bool ret = false;\n"; - - for (size_t i = 0, PropsSize = Props->size(); i < PropsSize; ++i) { - const DagInit& Prop = dynamic_cast(*Props->getElement(i)); - const std::string& PropName = Prop.getOperator()->getAsString(); - - if (PropName == "default") - IsDefault = true; - - O << Indent2 << "if (ret || ("; - if (PropName == "and") { - O << '('; - for (unsigned j = 0, NumArgs = Prop.getNumArgs(); j < NumArgs; ++j) { - const DagInit& InnerProp = dynamic_cast(*Prop.getArg(j)); - const std::string& InnerPropName = - InnerProp.getOperator()->getAsString(); - EmitEdgePropertyTest(InnerPropName, InnerProp, OptDescs, O); - if (j != NumArgs - 1) - O << ")\n" << Indent3 << " && ("; - else - O << ')'; - } - } - else { - EmitEdgePropertyTest(PropName, Prop, OptDescs, O); - } - O << "))\n" << Indent3 << "ret = true;\n"; - } - - O << Indent2 << "return ret;\n" - << Indent1 << "};\n\n" - - // Function isDefault(). - << Indent1 << "bool isDefault() const { return "; - if (IsDefault) - O << "true"; - else - O << "false"; - O <<"; }\n};\n\n"; -} - -// Emit Edge* classes that represent graph edges. -void EmitEdgeClasses (Record* CompilationGraph, - const GlobalOptionDescriptions& OptDescs, - std::ostream& O) { - ListInit* edges = CompilationGraph->getValueAsListInit("edges"); - - for (unsigned i = 0; i < edges->size(); ++i) { - Record* Edge = edges->getElementAsRecord(i); - Record* B = Edge->getValueAsDef("b"); - ListInit* Props = Edge->getValueAsListInit("props"); - - if (Props->empty()) - continue; - - EmitEdgeClass(i, B->getName(), Props, OptDescs, O); - } -} - -void EmitPopulateCompilationGraph (Record* CompilationGraph, - std::ostream& O) -{ - ListInit* edges = CompilationGraph->getValueAsListInit("edges"); - - // Generate code - O << "void llvmc::PopulateCompilationGraph(CompilationGraph& G) {\n" - << Indent1 << "PopulateLanguageMap(G.ExtsToLangs);\n\n"; - - // Insert vertices - - RecordVector Tools = Records.getAllDerivedDefinitions("Tool"); - if (Tools.empty()) - throw std::string("No tool definitions found!"); - - for (RecordVector::iterator B = Tools.begin(), E = Tools.end(); B != E; ++B) { - const std::string& Name = (*B)->getName(); - if(Name != "root") - O << Indent1 << "G.insertNode(new " - << Name << "());\n"; - } - - O << '\n'; - - // Insert edges - for (unsigned i = 0; i < edges->size(); ++i) { - Record* Edge = edges->getElementAsRecord(i); - Record* A = Edge->getValueAsDef("a"); - Record* B = Edge->getValueAsDef("b"); - ListInit* Props = Edge->getValueAsListInit("props"); - - O << Indent1 << "G.insertEdge(\"" << A->getName() << "\", "; - - if (Props->empty()) - O << "new SimpleEdge(\"" << B->getName() << "\")"; - else - O << "new Edge" << i << "()"; - - O << ");\n"; - } - - O << "}\n\n"; -} - - -// End of anonymous namespace -//} - -// Back-end entry point -void LLVMCCConfigurationEmitter::run (std::ostream &O) { - // Emit file header - EmitSourceFileHeader("LLVMC Configuration Library", O); - - // Get a list of all defined Tools - RecordVector Tools = Records.getAllDerivedDefinitions("Tool"); - if (Tools.empty()) - throw std::string("No tool definitions found!"); - - // Gather information from the Tool descriptions - ToolPropertiesList tool_props; - GlobalOptionDescriptions opt_descs; - CollectToolProperties(Tools.begin(), Tools.end(), tool_props, opt_descs); - - // Emit global option registration code - EmitOptionDescriptions(opt_descs, O); - - // Emit PopulateLanguageMap function - // (a language map maps from file extensions to language names) - EmitPopulateLanguageMap(Records, O); - - // Emit Tool classes - for (ToolPropertiesList::const_iterator B = tool_props.begin(), - E = tool_props.end(); B!=E; ++B) - EmitToolClassDefinition(*(*B), O); - - Record* CompilationGraphRecord = Records.getDef("CompilationGraph"); - if (!CompilationGraphRecord) - throw std::string("Compilation graph description not found!"); - - // Typecheck the compilation graph. - TypecheckGraph(CompilationGraphRecord, tool_props); - - // Emit Edge* classes. - EmitEdgeClasses(CompilationGraphRecord, opt_descs, O); - - // Emit PopulateCompilationGraph function - EmitPopulateCompilationGraph(CompilationGraphRecord, O); - - // EOF -} diff --git a/utils/TableGen/LLVMCCConfigurationEmitter.h b/utils/TableGen/LLVMCCConfigurationEmitter.h deleted file mode 100644 index 849f0540132..00000000000 --- a/utils/TableGen/LLVMCCConfigurationEmitter.h +++ /dev/null @@ -1,30 +0,0 @@ -//===- LLVMCConfigurationEmitter.cpp - Generate LLVMCC config -------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open -// Source License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This tablegen backend is responsible for emitting LLVMCC configuration code. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVMCCCONF_EMITTER_H -#define LLVMCCCONF_EMITTER_H - -#include "TableGenBackend.h" - -namespace llvm { - class LLVMCCConfigurationEmitter : public TableGenBackend { - RecordKeeper &Records; - public: - explicit LLVMCCConfigurationEmitter(RecordKeeper &R) : Records(R) {} - - // run - Output the asmwriter, returning true on failure. - void run(std::ostream &o); - }; -} - -#endif //LLVMCCCONF_EMITTER_H diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp new file mode 100644 index 00000000000..73390af9d64 --- /dev/null +++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp @@ -0,0 +1,1126 @@ +//===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config --------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open +// Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This tablegen backend is responsible for emitting LLVMC configuration code. +// +//===----------------------------------------------------------------------===// + +#include "LLVMCConfigurationEmitter.h" +#include "Record.h" + +#include "llvm/ADT/IntrusiveRefCntPtr.h" +#include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/StringMap.h" +#include "llvm/Support/Streams.h" + +#include +#include +#include +#include + +using namespace llvm; + +//namespace { + +//===----------------------------------------------------------------------===// +/// Typedefs + +typedef std::vector RecordVector; +typedef std::vector StrVector; + +//===----------------------------------------------------------------------===// +/// Constants + +// Indentation strings +const char * Indent1 = " "; +const char * Indent2 = " "; +const char * Indent3 = " "; +const char * Indent4 = " "; + +// Default help string +const char * DefaultHelpString = "NO HELP MESSAGE PROVIDED"; + +// Name for the "sink" option +const char * SinkOptionName = "AutoGeneratedSinkOption"; + +//===----------------------------------------------------------------------===// +/// Helper functions + +std::string InitPtrToString(Init* ptr) { + StringInit& val = dynamic_cast(*ptr); + return val.getValue(); +} + +// Ensure that the number of args in d is <= min_arguments, +// throw exception otherwise +void checkNumberOfArguments (const DagInit* d, unsigned min_arguments) { + if (d->getNumArgs() < min_arguments) + throw "Property " + d->getOperator()->getAsString() + + " has too few arguments!"; +} + + +//===----------------------------------------------------------------------===// +/// Back-end specific code + +// A command-line option can have one of the following types: +// +// Switch - a simple switch w/o arguments, e.g. -O2 +// +// Parameter - an option that takes one(and only one) argument, e.g. -o file, +// --output=file +// +// ParameterList - same as Parameter, but more than one occurence +// of the option is allowed, e.g. -lm -lpthread +// +// Prefix - argument is everything after the prefix, +// e.g. -Wa,-foo,-bar, -DNAME=VALUE +// +// PrefixList - same as Prefix, but more than one option occurence is +// allowed + +namespace OptionType { + enum OptionType { Switch, Parameter, ParameterList, Prefix, PrefixList}; +} + +bool IsListOptionType (OptionType::OptionType t) { + return (t == OptionType::ParameterList || t == OptionType::PrefixList); +} + +// Code duplication here is necessary because one option can affect +// several tools and those tools may have different actions associated +// with this option. GlobalOptionDescriptions are used to generate +// the option registration code, while ToolOptionDescriptions are used +// to generate tool-specific code. + +// Base class for option descriptions + +struct OptionDescription { + OptionType::OptionType Type; + std::string Name; + + OptionDescription(OptionType::OptionType t = OptionType::Switch, + const std::string& n = "") + : Type(t), Name(n) + {} + + const char* GenTypeDeclaration() const { + switch (Type) { + case OptionType::PrefixList: + case OptionType::ParameterList: + return "cl::list"; + case OptionType::Switch: + return "cl::opt"; + case OptionType::Parameter: + case OptionType::Prefix: + default: + return "cl::opt"; + } + } + + std::string GenVariableName() const { + switch (Type) { + case OptionType::Switch: + return "AutoGeneratedSwitch" + Name; + case OptionType::Prefix: + return "AutoGeneratedPrefix" + Name; + case OptionType::PrefixList: + return "AutoGeneratedPrefixList" + Name; + case OptionType::Parameter: + return "AutoGeneratedParameter" + Name; + case OptionType::ParameterList: + default: + return "AutoGeneratedParameterList" + Name; + } + } + +}; + +// Global option description + +namespace GlobalOptionDescriptionFlags { + enum GlobalOptionDescriptionFlags { Required = 0x1 }; +} + +struct GlobalOptionDescription : public OptionDescription { + std::string Help; + unsigned Flags; + + // We need t provide a default constructor since + // StringMap can only store DefaultConstructible objects + GlobalOptionDescription() : OptionDescription(), Flags(0) + {} + + GlobalOptionDescription (OptionType::OptionType t, const std::string& n) + : OptionDescription(t, n), Help(DefaultHelpString), Flags(0) + {} + + bool isRequired() const { + return Flags & GlobalOptionDescriptionFlags::Required; + } + void setRequired() { + Flags |= GlobalOptionDescriptionFlags::Required; + } + + // Merge two option descriptions + void Merge (const GlobalOptionDescription& other) + { + if (other.Type != Type) + throw "Conflicting definitions for the option " + Name + "!"; + + if (Help.empty() && !other.Help.empty()) + Help = other.Help; + else if (!Help.empty() && !other.Help.empty()) + cerr << "Warning: more than one help string defined for option " + + Name + "\n"; + + Flags |= other.Flags; + } +}; + +// A GlobalOptionDescription array +// + some flags affecting generation of option declarations +struct GlobalOptionDescriptions { + typedef StringMap container_type; + typedef container_type::const_iterator const_iterator; + + // A list of GlobalOptionDescriptions + container_type Descriptions; + // Should the emitter generate a "cl::sink" option? + bool HasSink; + + const GlobalOptionDescription& FindOption(const std::string& OptName) const { + const_iterator I = Descriptions.find(OptName); + if (I != Descriptions.end()) + return I->second; + else + throw OptName + ": no such option!"; + } + + // Support for STL-style iteration + const_iterator begin() const { return Descriptions.begin(); } + const_iterator end() const { return Descriptions.end(); } +}; + + +// Tool-local option description + +// Properties without arguments are implemented as flags +namespace ToolOptionDescriptionFlags { + enum ToolOptionDescriptionFlags { StopCompilation = 0x1, + Forward = 0x2, UnpackValues = 0x4}; +} +namespace OptionPropertyType { + enum OptionPropertyType { AppendCmd }; +} + +typedef std::pair +OptionProperty; +typedef SmallVector OptionPropertyList; + +struct ToolOptionDescription : public OptionDescription { + unsigned Flags; + OptionPropertyList Props; + + // StringMap can only store DefaultConstructible objects + ToolOptionDescription() : OptionDescription(), Flags(0) {} + + ToolOptionDescription (OptionType::OptionType t, const std::string& n) + : OptionDescription(t, n) + {} + + // Various boolean properties + bool isStopCompilation() const { + return Flags & ToolOptionDescriptionFlags::StopCompilation; + } + void setStopCompilation() { + Flags |= ToolOptionDescriptionFlags::StopCompilation; + } + + bool isForward() const { + return Flags & ToolOptionDescriptionFlags::Forward; + } + void setForward() { + Flags |= ToolOptionDescriptionFlags::Forward; + } + + bool isUnpackValues() const { + return Flags & ToolOptionDescriptionFlags::UnpackValues; + } + void setUnpackValues() { + Flags |= ToolOptionDescriptionFlags::UnpackValues; + } + + void AddProperty (OptionPropertyType::OptionPropertyType t, + const std::string& val) + { + Props.push_back(std::make_pair(t, val)); + } +}; + +typedef StringMap ToolOptionDescriptions; + +// Tool information record + +namespace ToolFlags { + enum ToolFlags { Join = 0x1, Sink = 0x2 }; +} + +struct ToolProperties : public RefCountedBase { + std::string Name; + StrVector CmdLine; + std::string InLanguage; + std::string OutLanguage; + std::string OutputSuffix; + unsigned Flags; + ToolOptionDescriptions OptDescs; + + // Various boolean properties + void setSink() { Flags |= ToolFlags::Sink; } + bool isSink() const { return Flags & ToolFlags::Sink; } + void setJoin() { Flags |= ToolFlags::Join; } + bool isJoin() const { return Flags & ToolFlags::Join; } + + // Default ctor here is needed because StringMap can only store + // DefaultConstructible objects + ToolProperties() {} + ToolProperties (const std::string& n) : Name(n) {} +}; + + +// A list of Tool information records +// IntrusiveRefCntPtrs are used because StringMap has no copy constructor +// (and we want to avoid copying ToolProperties anyway) +typedef std::vector > ToolPropertiesList; + + +// Function object for iterating over a list of tool property records +class CollectProperties { +private: + + /// Implementation details + + // "Property handler" - a function that extracts information + // about a given tool property from its DAG representation + typedef void (CollectProperties::*PropertyHandler)(DagInit*); + + // Map from property names -> property handlers + typedef StringMap PropertyHandlerMap; + + // "Option property handler" - a function that extracts information + // about a given option property from its DAG representation + typedef void (CollectProperties::* + OptionPropertyHandler)(DagInit*, GlobalOptionDescription &); + + // Map from option property names -> option property handlers + typedef StringMap OptionPropertyHandlerMap; + + // Static maps from strings to CollectProperties methods("handlers") + static PropertyHandlerMap propertyHandlers_; + static OptionPropertyHandlerMap optionPropertyHandlers_; + static bool staticMembersInitialized_; + + + /// This is where the information is stored + + // Current Tool properties + ToolProperties& toolProps_; + // OptionDescriptions table(used to register options globally) + GlobalOptionDescriptions& optDescs_; + +public: + + explicit CollectProperties (ToolProperties& p, GlobalOptionDescriptions& d) + : toolProps_(p), optDescs_(d) + { + if (!staticMembersInitialized_) { + // Init tool property handlers + propertyHandlers_["cmd_line"] = &CollectProperties::onCmdLine; + propertyHandlers_["in_language"] = &CollectProperties::onInLanguage; + propertyHandlers_["join"] = &CollectProperties::onJoin; + propertyHandlers_["out_language"] = &CollectProperties::onOutLanguage; + propertyHandlers_["output_suffix"] = &CollectProperties::onOutputSuffix; + propertyHandlers_["parameter_option"] + = &CollectProperties::onParameter; + propertyHandlers_["parameter_list_option"] = + &CollectProperties::onParameterList; + propertyHandlers_["prefix_option"] = &CollectProperties::onPrefix; + propertyHandlers_["prefix_list_option"] = + &CollectProperties::onPrefixList; + propertyHandlers_["sink"] = &CollectProperties::onSink; + propertyHandlers_["switch_option"] = &CollectProperties::onSwitch; + + // Init option property handlers + optionPropertyHandlers_["append_cmd"] = &CollectProperties::onAppendCmd; + optionPropertyHandlers_["forward"] = &CollectProperties::onForward; + optionPropertyHandlers_["help"] = &CollectProperties::onHelp; + optionPropertyHandlers_["required"] = &CollectProperties::onRequired; + optionPropertyHandlers_["stop_compilation"] = + &CollectProperties::onStopCompilation; + optionPropertyHandlers_["unpack_values"] = + &CollectProperties::onUnpackValues; + + staticMembersInitialized_ = true; + } + } + + // Gets called for every tool property; + // Just forwards to the corresponding property handler. + void operator() (Init* i) { + DagInit& d = dynamic_cast(*i); + const std::string& property_name = d.getOperator()->getAsString(); + PropertyHandlerMap::iterator method + = propertyHandlers_.find(property_name); + + if (method != propertyHandlers_.end()) { + PropertyHandler h = method->second; + (this->*h)(&d); + } + else { + throw "Unknown tool property: " + property_name + "!"; + } + } + +private: + + /// Property handlers -- + /// Functions that extract information about tool properties from + /// DAG representation. + + void onCmdLine (DagInit* d) { + checkNumberOfArguments(d, 1); + SplitString(InitPtrToString(d->getArg(0)), toolProps_.CmdLine); + if (toolProps_.CmdLine.empty()) + throw "Tool " + toolProps_.Name + " has empty command line!"; + } + + void onInLanguage (DagInit* d) { + checkNumberOfArguments(d, 1); + toolProps_.InLanguage = InitPtrToString(d->getArg(0)); + } + + void onJoin (DagInit* d) { + checkNumberOfArguments(d, 0); + toolProps_.setJoin(); + } + + void onOutLanguage (DagInit* d) { + checkNumberOfArguments(d, 1); + toolProps_.OutLanguage = InitPtrToString(d->getArg(0)); + } + + void onOutputSuffix (DagInit* d) { + checkNumberOfArguments(d, 1); + toolProps_.OutputSuffix = InitPtrToString(d->getArg(0)); + } + + void onSink (DagInit* d) { + checkNumberOfArguments(d, 0); + optDescs_.HasSink = true; + toolProps_.setSink(); + } + + void onSwitch (DagInit* d) { addOption(d, OptionType::Switch); } + void onParameter (DagInit* d) { addOption(d, OptionType::Parameter); } + void onParameterList (DagInit* d) { addOption(d, OptionType::ParameterList); } + void onPrefix (DagInit* d) { addOption(d, OptionType::Prefix); } + void onPrefixList (DagInit* d) { addOption(d, OptionType::PrefixList); } + + /// Option property handlers -- + /// Methods that handle properties that are common for all types of + /// options (like append_cmd, stop_compilation) + + void onAppendCmd (DagInit* d, GlobalOptionDescription& o) { + checkNumberOfArguments(d, 1); + std::string const& cmd = InitPtrToString(d->getArg(0)); + + toolProps_.OptDescs[o.Name].AddProperty(OptionPropertyType::AppendCmd, cmd); + } + + void onForward (DagInit* d, GlobalOptionDescription& o) { + checkNumberOfArguments(d, 0); + toolProps_.OptDescs[o.Name].setForward(); + } + + void onHelp (DagInit* d, GlobalOptionDescription& o) { + checkNumberOfArguments(d, 1); + const std::string& help_message = InitPtrToString(d->getArg(0)); + + o.Help = help_message; + } + + void onRequired (DagInit* d, GlobalOptionDescription& o) { + checkNumberOfArguments(d, 0); + o.setRequired(); + } + + void onStopCompilation (DagInit* d, GlobalOptionDescription& o) { + checkNumberOfArguments(d, 0); + if (o.Type != OptionType::Switch) + throw std::string("Only options of type Switch can stop compilation!"); + toolProps_.OptDescs[o.Name].setStopCompilation(); + } + + void onUnpackValues (DagInit* d, GlobalOptionDescription& o) { + checkNumberOfArguments(d, 0); + toolProps_.OptDescs[o.Name].setUnpackValues(); + } + + /// Helper functions + + // Add an option of type t + void addOption (DagInit* d, OptionType::OptionType t) { + checkNumberOfArguments(d, 2); + const std::string& name = InitPtrToString(d->getArg(0)); + + GlobalOptionDescription o(t, name); + toolProps_.OptDescs[name].Type = t; + toolProps_.OptDescs[name].Name = name; + processOptionProperties(d, o); + insertDescription(o); + } + + // Insert new GlobalOptionDescription into GlobalOptionDescriptions list + void insertDescription (const GlobalOptionDescription& o) + { + if (optDescs_.Descriptions.count(o.Name)) { + GlobalOptionDescription& D = optDescs_.Descriptions[o.Name]; + D.Merge(o); + } + else { + optDescs_.Descriptions[o.Name] = o; + } + } + + // Go through the list of option properties and call a corresponding + // handler for each. + // + // Parameters: + // name - option name + // d - option property list + void processOptionProperties (DagInit* d, GlobalOptionDescription& o) { + // First argument is option name + checkNumberOfArguments(d, 2); + + for (unsigned B = 1, E = d->getNumArgs(); B!=E; ++B) { + DagInit& option_property + = dynamic_cast(*d->getArg(B)); + const std::string& option_property_name + = option_property.getOperator()->getAsString(); + OptionPropertyHandlerMap::iterator method + = optionPropertyHandlers_.find(option_property_name); + + if (method != optionPropertyHandlers_.end()) { + OptionPropertyHandler h = method->second; + (this->*h)(&option_property, o); + } + else { + throw "Unknown option property: " + option_property_name + "!"; + } + } + } +}; + +// Static members of CollectProperties +CollectProperties::PropertyHandlerMap +CollectProperties::propertyHandlers_; + +CollectProperties::OptionPropertyHandlerMap +CollectProperties::optionPropertyHandlers_; + +bool CollectProperties::staticMembersInitialized_ = false; + + +// Gather information from the parsed TableGen data +// (Basically a wrapper for CollectProperties) +void CollectToolProperties (RecordVector::const_iterator B, + RecordVector::const_iterator E, + ToolPropertiesList& TPList, + GlobalOptionDescriptions& OptDescs) +{ + // Iterate over a properties list of every Tool definition + for (;B!=E;++B) { + RecordVector::value_type T = *B; + ListInit* PropList = T->getValueAsListInit("properties"); + + IntrusiveRefCntPtr + ToolProps(new ToolProperties(T->getName())); + + std::for_each(PropList->begin(), PropList->end(), + CollectProperties(*ToolProps, OptDescs)); + TPList.push_back(ToolProps); + } +} + +// Used by EmitGenerateActionMethod +void EmitOptionPropertyHandlingCode (const ToolProperties& P, + const ToolOptionDescription& D, + std::ostream& O) +{ + // if clause + O << Indent2 << "if ("; + if (D.Type == OptionType::Switch) + O << D.GenVariableName(); + else + O << '!' << D.GenVariableName() << ".empty()"; + + O <<") {\n"; + + // Handle option properties that take an argument + for (OptionPropertyList::const_iterator B = D.Props.begin(), + E = D.Props.end(); B!=E; ++B) { + const OptionProperty& val = *B; + + switch (val.first) { + // (append_cmd cmd) property + case OptionPropertyType::AppendCmd: + O << Indent3 << "vec.push_back(\"" << val.second << "\");\n"; + break; + // Other properties with argument + default: + break; + } + } + + // Handle flags + + // (forward) property + if (D.isForward()) { + switch (D.Type) { + case OptionType::Switch: + O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n"; + break; + case OptionType::Parameter: + O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n"; + O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n"; + break; + case OptionType::Prefix: + O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + " + << D.GenVariableName() << ");\n"; + break; + case OptionType::PrefixList: + O << Indent3 << "for (" << D.GenTypeDeclaration() + << "::iterator B = " << D.GenVariableName() << ".begin(),\n" + << Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n" + << Indent4 << "vec.push_back(\"-" << D.Name << "\" + " + << "*B);\n"; + break; + case OptionType::ParameterList: + O << Indent3 << "for (" << D.GenTypeDeclaration() + << "::iterator B = " << D.GenVariableName() << ".begin(),\n" + << Indent3 << "E = " << D.GenVariableName() + << ".end() ; B != E; ++B) {\n" + << Indent4 << "vec.push_back(\"-" << D.Name << "\");\n" + << Indent4 << "vec.push_back(*B);\n" + << Indent3 << "}\n"; + break; + } + } + + // (unpack_values) property + if (D.isUnpackValues()) { + if (IsListOptionType(D.Type)) { + O << Indent3 << "for (" << D.GenTypeDeclaration() + << "::iterator B = " << D.GenVariableName() << ".begin(),\n" + << Indent3 << "E = " << D.GenVariableName() + << ".end(); B != E; ++B)\n" + << Indent4 << "Tool::UnpackValues(*B, vec);\n"; + } + else if (D.Type == OptionType::Prefix || D.Type == OptionType::Parameter){ + O << Indent3 << "Tool::UnpackValues(" + << D.GenVariableName() << ", vec);\n"; + } + else { + // TOFIX: move this to the type-checking phase + throw std::string("Switches can't have unpack_values property!"); + } + } + + // close if clause + O << Indent2 << "}\n"; +} + +// Emite one of two versions of GenerateAction method +void EmitGenerateActionMethod (const ToolProperties& P, int V, std::ostream& O) +{ + assert(V==1 || V==2); + if (V==1) + O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"; + else + O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n"; + + O << Indent2 << "const sys::Path& outFile) const\n" + << Indent1 << "{\n" + << Indent2 << "std::vector vec;\n"; + + // Parse CmdLine tool property + if(P.CmdLine.empty()) + throw "Tool " + P.Name + " has empty command line!"; + + StrVector::const_iterator I = P.CmdLine.begin(); + ++I; + for (StrVector::const_iterator E = P.CmdLine.end(); I != E; ++I) { + const std::string& cmd = *I; + O << Indent2; + if (cmd == "$INFILE") { + if (V==1) + O << "for (PathVector::const_iterator B = inFiles.begin()" + << ", E = inFiles.end();\n" + << Indent2 << "B != E; ++B)\n" + << Indent3 << "vec.push_back(B->toString());\n"; + else + O << "vec.push_back(inFile.toString());\n"; + } + else if (cmd == "$OUTFILE") { + O << "vec.push_back(outFile.toString());\n"; + } + else { + O << "vec.push_back(\"" << cmd << "\");\n"; + } + } + + // For every understood option, emit handling code + for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(), + E = P.OptDescs.end(); B != E; ++B) { + const ToolOptionDescription& val = B->second; + EmitOptionPropertyHandlingCode(P, val, O); + } + + // Handle Sink property + if (P.isSink()) { + O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n" + << Indent3 << "vec.insert(vec.end(), " + << SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n" + << Indent2 << "}\n"; + } + + O << Indent2 << "return Action(\"" << P.CmdLine.at(0) << "\", vec);\n" + << Indent1 << "}\n\n"; +} + +// Emit GenerateAction methods for Tool classes +void EmitGenerateActionMethods (const ToolProperties& P, std::ostream& O) { + + if (!P.isJoin()) + O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n" + << Indent2 << "const llvm::sys::Path& outFile) const\n" + << Indent1 << "{\n" + << Indent2 << "throw std::runtime_error(\"" << P.Name + << " is not a Join tool!\");\n" + << Indent1 << "}\n\n"; + else + EmitGenerateActionMethod(P, 1, O); + + EmitGenerateActionMethod(P, 2, O); +} + +// Emit IsLast() method for Tool classes +void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) { + O << Indent1 << "bool IsLast() const {\n" + << Indent2 << "bool last = false;\n"; + + for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(), + E = P.OptDescs.end(); B != E; ++B) { + const ToolOptionDescription& val = B->second; + + if (val.isStopCompilation()) + O << Indent2 + << "if (" << val.GenVariableName() + << ")\n" << Indent3 << "last = true;\n"; + } + + O << Indent2 << "return last;\n" + << Indent1 << "}\n\n"; +} + +// Emit static [Input,Output]Language() methods for Tool classes +void EmitInOutLanguageMethods (const ToolProperties& P, std::ostream& O) { + O << Indent1 << "const char* InputLanguage() const {\n" + << Indent2 << "return \"" << P.InLanguage << "\";\n" + << Indent1 << "}\n\n"; + + O << Indent1 << "const char* OutputLanguage() const {\n" + << Indent2 << "return \"" << P.OutLanguage << "\";\n" + << Indent1 << "}\n\n"; +} + +// Emit static [Input,Output]Language() methods for Tool classes +void EmitOutputSuffixMethod (const ToolProperties& P, std::ostream& O) { + O << Indent1 << "const char* OutputSuffix() const {\n" + << Indent2 << "return \"" << P.OutputSuffix << "\";\n" + << Indent1 << "}\n\n"; +} + +// Emit static Name() method for Tool classes +void EmitNameMethod (const ToolProperties& P, std::ostream& O) { + O << Indent1 << "const char* Name() const {\n" + << Indent2 << "return \"" << P.Name << "\";\n" + << Indent1 << "}\n\n"; +} + +// Emit static Name() method for Tool classes +void EmitIsJoinMethod (const ToolProperties& P, std::ostream& O) { + O << Indent1 << "bool IsJoin() const {\n"; + if (P.isJoin()) + O << Indent2 << "return true;\n"; + else + O << Indent2 << "return false;\n"; + O << Indent1 << "}\n\n"; +} + +// Emit a Tool class definition +void EmitToolClassDefinition (const ToolProperties& P, std::ostream& O) { + + if(P.Name == "root") + return; + + // Header + O << "class " << P.Name << " : public "; + if (P.isJoin()) + O << "JoinTool"; + else + O << "Tool"; + O << " {\npublic:\n"; + + EmitNameMethod(P, O); + EmitInOutLanguageMethods(P, O); + EmitOutputSuffixMethod(P, O); + EmitIsJoinMethod(P, O); + EmitGenerateActionMethods(P, O); + EmitIsLastMethod(P, O); + + // Close class definition + O << "};\n\n"; +} + +// Iterate over a list of option descriptions and emit registration code +void EmitOptionDescriptions (const GlobalOptionDescriptions& descs, + std::ostream& O) +{ + // Emit static cl::Option variables + for (GlobalOptionDescriptions::const_iterator B = descs.begin(), + E = descs.end(); B!=E; ++B) { + const GlobalOptionDescription& val = B->second; + + O << val.GenTypeDeclaration() << ' ' + << val.GenVariableName() + << "(\"" << val.Name << '\"'; + + if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList) + O << ", cl::Prefix"; + + if (val.isRequired()) { + switch (val.Type) { + case OptionType::PrefixList: + case OptionType::ParameterList: + O << ", cl::OneOrMore"; + break; + default: + O << ", cl::Required"; + } + } + + O << ", cl::desc(\"" << val.Help << "\"));\n"; + } + + if (descs.HasSink) + O << "cl::list " << SinkOptionName << "(cl::Sink);\n"; + + O << '\n'; +} + +void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O) +{ + // Get the relevant field out of RecordKeeper + Record* LangMapRecord = Records.getDef("LanguageMap"); + if (!LangMapRecord) + throw std::string("Language map definition not found!"); + + ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map"); + if (!LangsToSuffixesList) + throw std::string("Error in the language map definition!"); + + // Generate code + O << "void llvmc::PopulateLanguageMap(LanguageMap& language_map) {\n"; + + for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) { + Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i); + + const std::string& Lang = LangToSuffixes->getValueAsString("lang"); + const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes"); + + for (unsigned i = 0; i < Suffixes->size(); ++i) + O << Indent1 << "language_map[\"" + << InitPtrToString(Suffixes->getElement(i)) + << "\"] = \"" << Lang << "\";\n"; + } + + O << "}\n\n"; +} + +// Fills in two tables that map tool names to (input, output) languages. +// Used by the typechecker. +void FillInToolToLang (const ToolPropertiesList& TPList, + StringMap& ToolToInLang, + StringMap& ToolToOutLang) { + for (ToolPropertiesList::const_iterator B = TPList.begin(), E = TPList.end(); + B != E; ++B) { + const ToolProperties& P = *(*B); + ToolToInLang[P.Name] = P.InLanguage; + ToolToOutLang[P.Name] = P.OutLanguage; + } +} + +// Check that all output and input language names match. +// TOFIX: check for cycles. +// TOFIX: check for multiple default edges. +void TypecheckGraph (Record* CompilationGraph, + const ToolPropertiesList& TPList) { + StringMap ToolToInLang; + StringMap ToolToOutLang; + + FillInToolToLang(TPList, ToolToInLang, ToolToOutLang); + ListInit* edges = CompilationGraph->getValueAsListInit("edges"); + StringMap::iterator IAE = ToolToInLang.end(); + StringMap::iterator IBE = ToolToOutLang.end(); + + for (unsigned i = 0; i < edges->size(); ++i) { + Record* Edge = edges->getElementAsRecord(i); + Record* A = Edge->getValueAsDef("a"); + Record* B = Edge->getValueAsDef("b"); + StringMap::iterator IA = ToolToOutLang.find(A->getName()); + StringMap::iterator IB = ToolToInLang.find(B->getName()); + if(IA == IAE) + throw A->getName() + ": no such tool!"; + if(IB == IBE) + throw B->getName() + ": no such tool!"; + if(A->getName() != "root" && IA->second != IB->second) + throw "Edge " + A->getName() + "->" + B->getName() + + ": output->input language mismatch"; + if(B->getName() == "root") + throw std::string("Edges back to the root are not allowed!"); + } +} + +// Helper function used by EmitEdgePropertyTest. +void EmitEdgePropertyTest1Arg(const DagInit& Prop, + const GlobalOptionDescriptions& OptDescs, + std::ostream& O) { + checkNumberOfArguments(&Prop, 1); + const std::string& OptName = InitPtrToString(Prop.getArg(0)); + const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName); + if (OptDesc.Type != OptionType::Switch) + throw OptName + ": incorrect option type!"; + O << OptDesc.GenVariableName(); +} + +// Helper function used by EmitEdgePropertyTest. +void EmitEdgePropertyTest2Args(const std::string& PropName, + const DagInit& Prop, + const GlobalOptionDescriptions& OptDescs, + std::ostream& O) { + checkNumberOfArguments(&Prop, 2); + const std::string& OptName = InitPtrToString(Prop.getArg(0)); + const std::string& OptArg = InitPtrToString(Prop.getArg(1)); + const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName); + + if (PropName == "parameter_equals") { + if (OptDesc.Type != OptionType::Parameter + && OptDesc.Type != OptionType::Prefix) + throw OptName + ": incorrect option type!"; + O << OptDesc.GenVariableName() << " == \"" << OptArg << "\""; + } + else if (PropName == "element_in_list") { + if (OptDesc.Type != OptionType::ParameterList + && OptDesc.Type != OptionType::PrefixList) + throw OptName + ": incorrect option type!"; + const std::string& VarName = OptDesc.GenVariableName(); + O << "std::find(" << VarName << ".begin(),\n" + << Indent3 << VarName << ".end(), \"" + << OptArg << "\") != " << VarName << ".end()"; + } + else + throw PropName + ": unknown edge property!"; +} + +// Helper function used by EmitEdgeClass. +void EmitEdgePropertyTest(const std::string& PropName, + const DagInit& Prop, + const GlobalOptionDescriptions& OptDescs, + std::ostream& O) { + if (PropName == "switch_on") + EmitEdgePropertyTest1Arg(Prop, OptDescs, O); + else + EmitEdgePropertyTest2Args(PropName, Prop, OptDescs, O); +} + +// Emit a single Edge* class. +void EmitEdgeClass(unsigned N, const std::string& Target, + ListInit* Props, const GlobalOptionDescriptions& OptDescs, + std::ostream& O) { + bool IsDefault = false; + + // Class constructor. + O << "class Edge" << N << ": public Edge {\n" + << "public:\n" + << Indent1 << "Edge" << N << "() : Edge(\"" << Target + << "\") {}\n\n" + + // Function isEnabled(). + << Indent1 << "bool isEnabled() const {\n" + << Indent2 << "bool ret = false;\n"; + + for (size_t i = 0, PropsSize = Props->size(); i < PropsSize; ++i) { + const DagInit& Prop = dynamic_cast(*Props->getElement(i)); + const std::string& PropName = Prop.getOperator()->getAsString(); + + if (PropName == "default") + IsDefault = true; + + O << Indent2 << "if (ret || ("; + if (PropName == "and") { + O << '('; + for (unsigned j = 0, NumArgs = Prop.getNumArgs(); j < NumArgs; ++j) { + const DagInit& InnerProp = dynamic_cast(*Prop.getArg(j)); + const std::string& InnerPropName = + InnerProp.getOperator()->getAsString(); + EmitEdgePropertyTest(InnerPropName, InnerProp, OptDescs, O); + if (j != NumArgs - 1) + O << ")\n" << Indent3 << " && ("; + else + O << ')'; + } + } + else { + EmitEdgePropertyTest(PropName, Prop, OptDescs, O); + } + O << "))\n" << Indent3 << "ret = true;\n"; + } + + O << Indent2 << "return ret;\n" + << Indent1 << "};\n\n" + + // Function isDefault(). + << Indent1 << "bool isDefault() const { return "; + if (IsDefault) + O << "true"; + else + O << "false"; + O <<"; }\n};\n\n"; +} + +// Emit Edge* classes that represent graph edges. +void EmitEdgeClasses (Record* CompilationGraph, + const GlobalOptionDescriptions& OptDescs, + std::ostream& O) { + ListInit* edges = CompilationGraph->getValueAsListInit("edges"); + + for (unsigned i = 0; i < edges->size(); ++i) { + Record* Edge = edges->getElementAsRecord(i); + Record* B = Edge->getValueAsDef("b"); + ListInit* Props = Edge->getValueAsListInit("props"); + + if (Props->empty()) + continue; + + EmitEdgeClass(i, B->getName(), Props, OptDescs, O); + } +} + +void EmitPopulateCompilationGraph (Record* CompilationGraph, + std::ostream& O) +{ + ListInit* edges = CompilationGraph->getValueAsListInit("edges"); + + // Generate code + O << "void llvmc::PopulateCompilationGraph(CompilationGraph& G) {\n" + << Indent1 << "PopulateLanguageMap(G.ExtsToLangs);\n\n"; + + // Insert vertices + + RecordVector Tools = Records.getAllDerivedDefinitions("Tool"); + if (Tools.empty()) + throw std::string("No tool definitions found!"); + + for (RecordVector::iterator B = Tools.begin(), E = Tools.end(); B != E; ++B) { + const std::string& Name = (*B)->getName(); + if(Name != "root") + O << Indent1 << "G.insertNode(new " + << Name << "());\n"; + } + + O << '\n'; + + // Insert edges + for (unsigned i = 0; i < edges->size(); ++i) { + Record* Edge = edges->getElementAsRecord(i); + Record* A = Edge->getValueAsDef("a"); + Record* B = Edge->getValueAsDef("b"); + ListInit* Props = Edge->getValueAsListInit("props"); + + O << Indent1 << "G.insertEdge(\"" << A->getName() << "\", "; + + if (Props->empty()) + O << "new SimpleEdge(\"" << B->getName() << "\")"; + else + O << "new Edge" << i << "()"; + + O << ");\n"; + } + + O << "}\n\n"; +} + + +// End of anonymous namespace +//} + +// Back-end entry point +void LLVMCCConfigurationEmitter::run (std::ostream &O) { + // Emit file header + EmitSourceFileHeader("LLVMC Configuration Library", O); + + // Get a list of all defined Tools + RecordVector Tools = Records.getAllDerivedDefinitions("Tool"); + if (Tools.empty()) + throw std::string("No tool definitions found!"); + + // Gather information from the Tool descriptions + ToolPropertiesList tool_props; + GlobalOptionDescriptions opt_descs; + CollectToolProperties(Tools.begin(), Tools.end(), tool_props, opt_descs); + + // Emit global option registration code + EmitOptionDescriptions(opt_descs, O); + + // Emit PopulateLanguageMap function + // (a language map maps from file extensions to language names) + EmitPopulateLanguageMap(Records, O); + + // Emit Tool classes + for (ToolPropertiesList::const_iterator B = tool_props.begin(), + E = tool_props.end(); B!=E; ++B) + EmitToolClassDefinition(*(*B), O); + + Record* CompilationGraphRecord = Records.getDef("CompilationGraph"); + if (!CompilationGraphRecord) + throw std::string("Compilation graph description not found!"); + + // Typecheck the compilation graph. + TypecheckGraph(CompilationGraphRecord, tool_props); + + // Emit Edge* classes. + EmitEdgeClasses(CompilationGraphRecord, opt_descs, O); + + // Emit PopulateCompilationGraph function + EmitPopulateCompilationGraph(CompilationGraphRecord, O); + + // EOF +} diff --git a/utils/TableGen/LLVMCConfigurationEmitter.h b/utils/TableGen/LLVMCConfigurationEmitter.h new file mode 100644 index 00000000000..849f0540132 --- /dev/null +++ b/utils/TableGen/LLVMCConfigurationEmitter.h @@ -0,0 +1,30 @@ +//===- LLVMCConfigurationEmitter.cpp - Generate LLVMCC config -------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open +// Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This tablegen backend is responsible for emitting LLVMCC configuration code. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVMCCCONF_EMITTER_H +#define LLVMCCCONF_EMITTER_H + +#include "TableGenBackend.h" + +namespace llvm { + class LLVMCCConfigurationEmitter : public TableGenBackend { + RecordKeeper &Records; + public: + explicit LLVMCCConfigurationEmitter(RecordKeeper &R) : Records(R) {} + + // run - Output the asmwriter, returning true on failure. + void run(std::ostream &o); + }; +} + +#endif //LLVMCCCONF_EMITTER_H diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp index cc996c58466..1bc2790f093 100644 --- a/utils/TableGen/TableGen.cpp +++ b/utils/TableGen/TableGen.cpp @@ -31,7 +31,7 @@ #include "DAGISelEmitter.h" #include "SubtargetEmitter.h" #include "IntrinsicEmitter.h" -#include "LLVMCCConfigurationEmitter.h" +#include "LLVMCConfigurationEmitter.h" #include #include #include @@ -104,7 +104,7 @@ RecordKeeper llvm::Records; /// ParseFile - this function begins the parsing of the specified tablegen /// file. -static bool ParseFile(const std::string &Filename, +static bool ParseFile(const std::string &Filename, const std::vector &IncludeDirs) { std::string ErrorStr; MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr); @@ -112,13 +112,13 @@ static bool ParseFile(const std::string &Filename, cerr << "Could not open input file '" + Filename + "': " << ErrorStr <<"\n"; return true; } - + TGParser Parser(F); - + // Record the location of the include directory so that the lexer can find // it later. Parser.setIncludeDirs(IncludeDirs); - + return Parser.ParseFile(); }