1 //===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open
6 // Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This tablegen backend is responsible for emitting LLVMC configuration code.
12 //===----------------------------------------------------------------------===//
14 #include "LLVMCConfigurationEmitter.h"
17 #include "llvm/ADT/IntrusiveRefCntPtr.h"
18 #include "llvm/ADT/SmallVector.h"
19 #include "llvm/ADT/StringExtras.h"
20 #include "llvm/ADT/StringMap.h"
21 #include "llvm/ADT/StringSet.h"
22 #include "llvm/Support/Streams.h"
33 //===----------------------------------------------------------------------===//
36 typedef std::vector<Record*> RecordVector;
37 typedef std::vector<std::string> StrVector;
39 //===----------------------------------------------------------------------===//
42 // Indentation strings.
43 const char * Indent1 = " ";
44 const char * Indent2 = " ";
45 const char * Indent3 = " ";
46 const char * Indent4 = " ";
48 // Default help string.
49 const char * DefaultHelpString = "NO HELP MESSAGE PROVIDED";
51 // Name for the "sink" option.
52 const char * SinkOptionName = "AutoGeneratedSinkOption";
54 //===----------------------------------------------------------------------===//
57 int InitPtrToInt(const Init* ptr) {
58 const IntInit& val = dynamic_cast<const IntInit&>(*ptr);
59 return val.getValue();
62 const std::string& InitPtrToString(const Init* ptr) {
63 const StringInit& val = dynamic_cast<const StringInit&>(*ptr);
64 return val.getValue();
67 const ListInit& InitPtrToList(const Init* ptr) {
68 const ListInit& val = dynamic_cast<const ListInit&>(*ptr);
72 const DagInit& InitPtrToDag(const Init* ptr) {
73 const DagInit& val = dynamic_cast<const DagInit&>(*ptr);
77 // checkNumberOfArguments - Ensure that the number of args in d is
78 // less than or equal to min_arguments, otherwise throw an exception.
79 void checkNumberOfArguments (const DagInit* d, unsigned min_arguments) {
80 if (d->getNumArgs() < min_arguments)
81 throw "Property " + d->getOperator()->getAsString()
82 + " has too few arguments!";
85 // isDagEmpty - is this DAG marked with an empty marker?
86 bool isDagEmpty (const DagInit* d) {
87 return d->getOperator()->getAsString() == "empty";
90 //===----------------------------------------------------------------------===//
91 /// Back-end specific code
93 // A command-line option can have one of the following types:
95 // Switch - a simple switch w/o arguments, e.g. -O2
97 // Parameter - an option that takes one(and only one) argument, e.g. -o file,
100 // ParameterList - same as Parameter, but more than one occurence
101 // of the option is allowed, e.g. -lm -lpthread
103 // Prefix - argument is everything after the prefix,
104 // e.g. -Wa,-foo,-bar, -DNAME=VALUE
106 // PrefixList - same as Prefix, but more than one option occurence is
109 namespace OptionType {
110 enum OptionType { Switch, Parameter, ParameterList, Prefix, PrefixList};
113 bool IsListOptionType (OptionType::OptionType t) {
114 return (t == OptionType::ParameterList || t == OptionType::PrefixList);
117 // Code duplication here is necessary because one option can affect
118 // several tools and those tools may have different actions associated
119 // with this option. GlobalOptionDescriptions are used to generate
120 // the option registration code, while ToolOptionDescriptions are used
121 // to generate tool-specific code.
123 /// OptionDescription - Base class for option descriptions.
124 struct OptionDescription {
125 OptionType::OptionType Type;
128 OptionDescription(OptionType::OptionType t = OptionType::Switch,
129 const std::string& n = "")
133 const char* GenTypeDeclaration() const {
135 case OptionType::PrefixList:
136 case OptionType::ParameterList:
137 return "cl::list<std::string>";
138 case OptionType::Switch:
139 return "cl::opt<bool>";
140 case OptionType::Parameter:
141 case OptionType::Prefix:
143 return "cl::opt<std::string>";
147 // Escape commas and other symbols not allowed in the C++ variable
148 // names. Makes it possible to use options with names like "Wa,"
149 // (useful for prefix options).
150 std::string EscapeVariableName(const std::string& Var) const {
152 for (unsigned i = 0; i != Var.size(); ++i) {
157 ret.push_back(Var[i]);
163 std::string GenVariableName() const {
164 const std::string& EscapedName = EscapeVariableName(Name);
166 case OptionType::Switch:
167 return "AutoGeneratedSwitch" + EscapedName;
168 case OptionType::Prefix:
169 return "AutoGeneratedPrefix" + EscapedName;
170 case OptionType::PrefixList:
171 return "AutoGeneratedPrefixList" + EscapedName;
172 case OptionType::Parameter:
173 return "AutoGeneratedParameter" + EscapedName;
174 case OptionType::ParameterList:
176 return "AutoGeneratedParameterList" + EscapedName;
182 // Global option description.
184 namespace GlobalOptionDescriptionFlags {
185 enum GlobalOptionDescriptionFlags { Required = 0x1 };
188 struct GlobalOptionDescription : public OptionDescription {
192 // We need to provide a default constructor because
193 // StringMap can only store DefaultConstructible objects.
194 GlobalOptionDescription() : OptionDescription(), Flags(0)
197 GlobalOptionDescription (OptionType::OptionType t, const std::string& n)
198 : OptionDescription(t, n), Help(DefaultHelpString), Flags(0)
201 bool isRequired() const {
202 return Flags & GlobalOptionDescriptionFlags::Required;
205 Flags |= GlobalOptionDescriptionFlags::Required;
208 /// Merge - Merge two option descriptions.
209 void Merge (const GlobalOptionDescription& other)
211 if (other.Type != Type)
212 throw "Conflicting definitions for the option " + Name + "!";
214 if (Help == DefaultHelpString)
216 else if (other.Help != DefaultHelpString) {
217 llvm::cerr << "Warning: more than one help string defined for option "
221 Flags |= other.Flags;
225 /// GlobalOptionDescriptions - A GlobalOptionDescription array
226 /// together with some flags affecting generation of option
228 struct GlobalOptionDescriptions {
229 typedef StringMap<GlobalOptionDescription> container_type;
230 typedef container_type::const_iterator const_iterator;
232 /// Descriptions - A list of GlobalOptionDescriptions.
233 container_type Descriptions;
234 /// HasSink - Should the emitter generate a "cl::sink" option?
237 const GlobalOptionDescription& FindOption(const std::string& OptName) const {
238 const_iterator I = Descriptions.find(OptName);
239 if (I != Descriptions.end())
242 throw OptName + ": no such option!";
245 // Support for STL-style iteration
246 const_iterator begin() const { return Descriptions.begin(); }
247 const_iterator end() const { return Descriptions.end(); }
251 // Tool-local option description.
253 // Properties without arguments are implemented as flags.
254 namespace ToolOptionDescriptionFlags {
255 enum ToolOptionDescriptionFlags { StopCompilation = 0x1,
256 Forward = 0x2, UnpackValues = 0x4};
258 namespace OptionPropertyType {
259 enum OptionPropertyType { AppendCmd, OutputSuffix };
262 typedef std::pair<OptionPropertyType::OptionPropertyType, std::string>
264 typedef SmallVector<OptionProperty, 4> OptionPropertyList;
266 struct ToolOptionDescription : public OptionDescription {
268 OptionPropertyList Props;
270 // StringMap can only store DefaultConstructible objects
271 ToolOptionDescription() : OptionDescription(), Flags(0) {}
273 ToolOptionDescription (OptionType::OptionType t, const std::string& n)
274 : OptionDescription(t, n)
277 // Various boolean properties
278 bool isStopCompilation() const {
279 return Flags & ToolOptionDescriptionFlags::StopCompilation;
281 void setStopCompilation() {
282 Flags |= ToolOptionDescriptionFlags::StopCompilation;
285 bool isForward() const {
286 return Flags & ToolOptionDescriptionFlags::Forward;
289 Flags |= ToolOptionDescriptionFlags::Forward;
292 bool isUnpackValues() const {
293 return Flags & ToolOptionDescriptionFlags::UnpackValues;
295 void setUnpackValues() {
296 Flags |= ToolOptionDescriptionFlags::UnpackValues;
299 void AddProperty (OptionPropertyType::OptionPropertyType t,
300 const std::string& val)
302 Props.push_back(std::make_pair(t, val));
306 typedef StringMap<ToolOptionDescription> ToolOptionDescriptions;
308 // Tool information record
310 namespace ToolFlags {
311 enum ToolFlags { Join = 0x1, Sink = 0x2 };
314 struct ToolProperties : public RefCountedBase<ToolProperties> {
317 StrVector InLanguage;
318 std::string OutLanguage;
319 std::string OutputSuffix;
321 ToolOptionDescriptions OptDescs;
323 // Various boolean properties
324 void setSink() { Flags |= ToolFlags::Sink; }
325 bool isSink() const { return Flags & ToolFlags::Sink; }
326 void setJoin() { Flags |= ToolFlags::Join; }
327 bool isJoin() const { return Flags & ToolFlags::Join; }
329 // Default ctor here is needed because StringMap can only store
330 // DefaultConstructible objects
331 ToolProperties() : Flags(0) {}
332 ToolProperties (const std::string& n) : Name(n), Flags(0) {}
336 /// ToolPropertiesList - A list of Tool information records
337 /// IntrusiveRefCntPtrs are used here because StringMap has no copy
338 /// constructor (and we want to avoid copying ToolProperties anyway).
339 typedef std::vector<IntrusiveRefCntPtr<ToolProperties> > ToolPropertiesList;
342 /// CollectProperties - Function object for iterating over a list of
343 /// tool property records.
344 class CollectProperties {
347 /// Implementation details
349 /// PropertyHandler - a function that extracts information
350 /// about a given tool property from its DAG representation
351 typedef void (CollectProperties::*PropertyHandler)(const DagInit*);
353 /// PropertyHandlerMap - A map from property names to property
355 typedef StringMap<PropertyHandler> PropertyHandlerMap;
357 /// OptionPropertyHandler - a function that extracts information
358 /// about a given option property from its DAG representation.
359 typedef void (CollectProperties::* OptionPropertyHandler)
360 (const DagInit*, GlobalOptionDescription &);
362 /// OptionPropertyHandlerMap - A map from option property names to
363 /// option property handlers
364 typedef StringMap<OptionPropertyHandler> OptionPropertyHandlerMap;
366 // Static maps from strings to CollectProperties methods("handlers")
367 static PropertyHandlerMap propertyHandlers_;
368 static OptionPropertyHandlerMap optionPropertyHandlers_;
369 static bool staticMembersInitialized_;
372 /// This is where the information is stored
374 /// toolProps_ - Properties of the current Tool.
375 ToolProperties& toolProps_;
376 /// optDescs_ - OptionDescriptions table (used to register options
378 GlobalOptionDescriptions& optDescs_;
382 explicit CollectProperties (ToolProperties& p, GlobalOptionDescriptions& d)
383 : toolProps_(p), optDescs_(d)
385 if (!staticMembersInitialized_) {
386 // Init tool property handlers
387 propertyHandlers_["cmd_line"] = &CollectProperties::onCmdLine;
388 propertyHandlers_["in_language"] = &CollectProperties::onInLanguage;
389 propertyHandlers_["join"] = &CollectProperties::onJoin;
390 propertyHandlers_["out_language"] = &CollectProperties::onOutLanguage;
391 propertyHandlers_["output_suffix"] = &CollectProperties::onOutputSuffix;
392 propertyHandlers_["parameter_option"]
393 = &CollectProperties::onParameter;
394 propertyHandlers_["parameter_list_option"] =
395 &CollectProperties::onParameterList;
396 propertyHandlers_["prefix_option"] = &CollectProperties::onPrefix;
397 propertyHandlers_["prefix_list_option"] =
398 &CollectProperties::onPrefixList;
399 propertyHandlers_["sink"] = &CollectProperties::onSink;
400 propertyHandlers_["switch_option"] = &CollectProperties::onSwitch;
402 // Init option property handlers
403 optionPropertyHandlers_["append_cmd"] = &CollectProperties::onAppendCmd;
404 optionPropertyHandlers_["forward"] = &CollectProperties::onForward;
405 optionPropertyHandlers_["help"] = &CollectProperties::onHelp;
406 optionPropertyHandlers_["output_suffix"] =
407 &CollectProperties::onOutputSuffixOptionProp;
408 optionPropertyHandlers_["required"] = &CollectProperties::onRequired;
409 optionPropertyHandlers_["stop_compilation"] =
410 &CollectProperties::onStopCompilation;
411 optionPropertyHandlers_["unpack_values"] =
412 &CollectProperties::onUnpackValues;
414 staticMembersInitialized_ = true;
418 /// operator() - Gets called for every tool property; Just forwards
419 /// to the corresponding property handler.
420 void operator() (Init* i) {
421 const DagInit& d = InitPtrToDag(i);
422 const std::string& property_name = d.getOperator()->getAsString();
423 PropertyHandlerMap::iterator method
424 = propertyHandlers_.find(property_name);
426 if (method != propertyHandlers_.end()) {
427 PropertyHandler h = method->second;
431 throw "Unknown tool property: " + property_name + "!";
437 /// Property handlers --
438 /// Functions that extract information about tool properties from
439 /// DAG representation.
441 void onCmdLine (const DagInit* d) {
442 checkNumberOfArguments(d, 1);
443 toolProps_.CmdLine = d->getArg(0);
446 void onInLanguage (const DagInit* d) {
447 checkNumberOfArguments(d, 1);
448 Init* arg = d->getArg(0);
450 // Find out the argument's type.
451 if (typeid(*arg) == typeid(StringInit)) {
453 toolProps_.InLanguage.push_back(InitPtrToString(arg));
457 const ListInit& lst = InitPtrToList(arg);
458 StrVector& out = toolProps_.InLanguage;
460 // Copy strings to the output vector.
461 for (ListInit::const_iterator B = lst.begin(), E = lst.end();
463 out.push_back(InitPtrToString(*B));
466 // Remove duplicates.
467 std::sort(out.begin(), out.end());
468 StrVector::iterator newE = std::unique(out.begin(), out.end());
469 out.erase(newE, out.end());
473 void onJoin (const DagInit* d) {
474 checkNumberOfArguments(d, 0);
475 toolProps_.setJoin();
478 void onOutLanguage (const DagInit* d) {
479 checkNumberOfArguments(d, 1);
480 toolProps_.OutLanguage = InitPtrToString(d->getArg(0));
483 void onOutputSuffix (const DagInit* d) {
484 checkNumberOfArguments(d, 1);
485 toolProps_.OutputSuffix = InitPtrToString(d->getArg(0));
488 void onSink (const DagInit* d) {
489 checkNumberOfArguments(d, 0);
490 optDescs_.HasSink = true;
491 toolProps_.setSink();
494 void onSwitch (const DagInit* d) {
495 addOption(d, OptionType::Switch);
498 void onParameter (const DagInit* d) {
499 addOption(d, OptionType::Parameter);
502 void onParameterList (const DagInit* d) {
503 addOption(d, OptionType::ParameterList);
506 void onPrefix (const DagInit* d) {
507 addOption(d, OptionType::Prefix);
510 void onPrefixList (const DagInit* d) {
511 addOption(d, OptionType::PrefixList);
514 /// Option property handlers --
515 /// Methods that handle properties that are common for all types of
516 /// options (like append_cmd, stop_compilation)
518 void onAppendCmd (const DagInit* d, GlobalOptionDescription& o) {
519 checkNumberOfArguments(d, 1);
520 const std::string& cmd = InitPtrToString(d->getArg(0));
522 toolProps_.OptDescs[o.Name].AddProperty(OptionPropertyType::AppendCmd, cmd);
525 void onOutputSuffixOptionProp (const DagInit* d, GlobalOptionDescription& o) {
526 checkNumberOfArguments(d, 1);
527 const std::string& suf = InitPtrToString(d->getArg(0));
529 if (toolProps_.OptDescs[o.Name].Type != OptionType::Switch)
530 throw "Option " + o.Name
531 + " can't have 'output_suffix' property since it isn't a switch!";
533 toolProps_.OptDescs[o.Name].AddProperty
534 (OptionPropertyType::OutputSuffix, suf);
537 void onForward (const DagInit* d, GlobalOptionDescription& o) {
538 checkNumberOfArguments(d, 0);
539 toolProps_.OptDescs[o.Name].setForward();
542 void onHelp (const DagInit* d, GlobalOptionDescription& o) {
543 checkNumberOfArguments(d, 1);
544 const std::string& help_message = InitPtrToString(d->getArg(0));
546 o.Help = help_message;
549 void onRequired (const DagInit* d, GlobalOptionDescription& o) {
550 checkNumberOfArguments(d, 0);
554 void onStopCompilation (const DagInit* d, GlobalOptionDescription& o) {
555 checkNumberOfArguments(d, 0);
556 if (o.Type != OptionType::Switch)
557 throw std::string("Only options of type Switch can stop compilation!");
558 toolProps_.OptDescs[o.Name].setStopCompilation();
561 void onUnpackValues (const DagInit* d, GlobalOptionDescription& o) {
562 checkNumberOfArguments(d, 0);
563 toolProps_.OptDescs[o.Name].setUnpackValues();
568 // Add an option of type t
569 void addOption (const DagInit* d, OptionType::OptionType t) {
570 checkNumberOfArguments(d, 2);
571 const std::string& name = InitPtrToString(d->getArg(0));
573 GlobalOptionDescription o(t, name);
574 toolProps_.OptDescs[name].Type = t;
575 toolProps_.OptDescs[name].Name = name;
576 processOptionProperties(d, o);
577 insertDescription(o);
580 // Insert new GlobalOptionDescription into GlobalOptionDescriptions list
581 void insertDescription (const GlobalOptionDescription& o)
583 if (optDescs_.Descriptions.count(o.Name)) {
584 GlobalOptionDescription& D = optDescs_.Descriptions[o.Name];
588 optDescs_.Descriptions[o.Name] = o;
592 /// processOptionProperties - Go through the list of option
593 /// properties and call a corresponding handler for each.
596 /// name - option name
597 /// d - option property list
598 void processOptionProperties (const DagInit* d, GlobalOptionDescription& o) {
599 // First argument is option name
600 checkNumberOfArguments(d, 2);
602 for (unsigned B = 1, E = d->getNumArgs(); B!=E; ++B) {
603 const DagInit& option_property
604 = InitPtrToDag(d->getArg(B));
605 const std::string& option_property_name
606 = option_property.getOperator()->getAsString();
607 OptionPropertyHandlerMap::iterator method
608 = optionPropertyHandlers_.find(option_property_name);
610 if (method != optionPropertyHandlers_.end()) {
611 OptionPropertyHandler h = method->second;
612 (this->*h)(&option_property, o);
615 throw "Unknown option property: " + option_property_name + "!";
621 // Static members of CollectProperties
622 CollectProperties::PropertyHandlerMap
623 CollectProperties::propertyHandlers_;
625 CollectProperties::OptionPropertyHandlerMap
626 CollectProperties::optionPropertyHandlers_;
628 bool CollectProperties::staticMembersInitialized_ = false;
631 /// CollectToolProperties - Gather information from the parsed
632 /// TableGen data (basically a wrapper for the CollectProperties
633 /// function object).
634 void CollectToolProperties (RecordVector::const_iterator B,
635 RecordVector::const_iterator E,
636 ToolPropertiesList& TPList,
637 GlobalOptionDescriptions& OptDescs)
639 // Iterate over a properties list of every Tool definition
641 RecordVector::value_type T = *B;
642 ListInit* PropList = T->getValueAsListInit("properties");
644 IntrusiveRefCntPtr<ToolProperties>
645 ToolProps(new ToolProperties(T->getName()));
647 std::for_each(PropList->begin(), PropList->end(),
648 CollectProperties(*ToolProps, OptDescs));
649 TPList.push_back(ToolProps);
653 /// EmitCaseTest1Arg - Helper function used by
654 /// EmitCaseConstructHandler.
655 bool EmitCaseTest1Arg(const std::string& TestName,
657 const GlobalOptionDescriptions& OptDescs,
659 checkNumberOfArguments(&d, 1);
660 const std::string& OptName = InitPtrToString(d.getArg(0));
661 if (TestName == "switch_on") {
662 const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
663 if (OptDesc.Type != OptionType::Switch)
664 throw OptName + ": incorrect option type!";
665 O << OptDesc.GenVariableName();
667 } else if (TestName == "input_languages_contain") {
668 O << "InLangs.count(\"" << OptName << "\") != 0";
675 /// EmitCaseTest2Args - Helper function used by
676 /// EmitCaseConstructHandler.
677 bool EmitCaseTest2Args(const std::string& TestName,
679 const char* IndentLevel,
680 const GlobalOptionDescriptions& OptDescs,
682 checkNumberOfArguments(&d, 2);
683 const std::string& OptName = InitPtrToString(d.getArg(0));
684 const std::string& OptArg = InitPtrToString(d.getArg(1));
685 const GlobalOptionDescription& OptDesc = OptDescs.FindOption(OptName);
687 if (TestName == "parameter_equals") {
688 if (OptDesc.Type != OptionType::Parameter
689 && OptDesc.Type != OptionType::Prefix)
690 throw OptName + ": incorrect option type!";
691 O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
694 else if (TestName == "element_in_list") {
695 if (OptDesc.Type != OptionType::ParameterList
696 && OptDesc.Type != OptionType::PrefixList)
697 throw OptName + ": incorrect option type!";
698 const std::string& VarName = OptDesc.GenVariableName();
699 O << "std::find(" << VarName << ".begin(),\n"
700 << IndentLevel << Indent1 << VarName << ".end(), \""
701 << OptArg << "\") != " << VarName << ".end()";
708 // Forward declaration.
709 // EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
710 void EmitCaseTest(const DagInit& d, const char* IndentLevel,
711 const GlobalOptionDescriptions& OptDescs,
714 /// EmitLogicalOperationTest - Helper function used by
715 /// EmitCaseConstructHandler.
716 void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
717 const char* IndentLevel,
718 const GlobalOptionDescriptions& OptDescs,
721 for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
722 const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
723 EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
724 if (j != NumArgs - 1)
725 O << ")\n" << IndentLevel << Indent1 << ' ' << LogicOp << " (";
731 /// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
732 void EmitCaseTest(const DagInit& d, const char* IndentLevel,
733 const GlobalOptionDescriptions& OptDescs,
735 const std::string& TestName = d.getOperator()->getAsString();
737 if (TestName == "and")
738 EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
739 else if (TestName == "or")
740 EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
741 else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
743 else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
746 throw TestName + ": unknown edge property!";
749 // Emit code that handles the 'case' construct.
750 // Takes a function object that should emit code for every case clause.
751 // Callback's type is
752 // void F(Init* Statement, const char* IndentLevel, std::ostream& O).
753 template <typename F>
754 void EmitCaseConstructHandler(const DagInit* d, const char* IndentLevel,
755 const F& Callback, bool DefaultRequired,
756 const GlobalOptionDescriptions& OptDescs,
758 assert(d->getOperator()->getAsString() == "case");
760 bool DefaultProvided = false;
761 unsigned numArgs = d->getNumArgs();
762 if (d->getNumArgs() < 2)
763 throw "There should be at least one clause in the 'case' expression:\n"
766 for (unsigned i = 0; i != numArgs; ++i) {
767 const DagInit& Test = InitPtrToDag(d->getArg(i));
770 if (Test.getOperator()->getAsString() == "default") {
771 DefaultProvided = true;
773 throw std::string("The 'default' clause should be the last in the"
774 "'case' construct!");
775 O << IndentLevel << "else {\n";
778 O << IndentLevel << "if (";
779 EmitCaseTest(Test, IndentLevel, OptDescs, O);
783 // Emit the corresponding statement.
786 throw "Case construct handler: no corresponding action "
787 "found for the test " + Test.getAsString() + '!';
789 Callback(d->getArg(i), IndentLevel, O);
790 O << IndentLevel << "}\n";
793 if (DefaultRequired && !DefaultProvided)
794 throw "Case expression: the 'default' clause is required in this case:\n"
798 /// EmitForwardOptionPropertyHandlingCode - Helper function used to
799 /// implement EmitOptionPropertyHandlingCode(). Emits code for
800 /// handling the (forward) option property.
801 void EmitForwardOptionPropertyHandlingCode (const ToolOptionDescription& D,
804 case OptionType::Switch:
805 O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
807 case OptionType::Parameter:
808 O << Indent3 << "vec.push_back(\"-" << D.Name << "\");\n";
809 O << Indent3 << "vec.push_back(" << D.GenVariableName() << ");\n";
811 case OptionType::Prefix:
812 O << Indent3 << "vec.push_back(\"-" << D.Name << "\" + "
813 << D.GenVariableName() << ");\n";
815 case OptionType::PrefixList:
816 O << Indent3 << "for (" << D.GenTypeDeclaration()
817 << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
818 << Indent3 << "E = " << D.GenVariableName() << ".end(); B != E; ++B)\n"
819 << Indent4 << "vec.push_back(\"-" << D.Name << "\" + "
822 case OptionType::ParameterList:
823 O << Indent3 << "for (" << D.GenTypeDeclaration()
824 << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
825 << Indent3 << "E = " << D.GenVariableName()
826 << ".end() ; B != E; ++B) {\n"
827 << Indent4 << "vec.push_back(\"-" << D.Name << "\");\n"
828 << Indent4 << "vec.push_back(*B);\n"
834 // ToolOptionHasInterestingProperties - A helper function used by
835 // EmitOptionPropertyHandlingCode() that tells us whether we should
836 // emit any property handling code at all.
837 bool ToolOptionHasInterestingProperties(const ToolOptionDescription& D) {
839 for (OptionPropertyList::const_iterator B = D.Props.begin(),
840 E = D.Props.end(); B != E; ++B) {
841 const OptionProperty& OptProp = *B;
842 if (OptProp.first == OptionPropertyType::AppendCmd)
845 if (D.isForward() || D.isUnpackValues())
850 /// EmitOptionPropertyHandlingCode - Helper function used by
851 /// EmitGenerateActionMethod(). Emits code that handles option
853 void EmitOptionPropertyHandlingCode (const ToolOptionDescription& D,
856 if (!ToolOptionHasInterestingProperties(D))
858 // Start of the if-clause.
859 O << Indent2 << "if (";
860 if (D.Type == OptionType::Switch)
861 O << D.GenVariableName();
863 O << '!' << D.GenVariableName() << ".empty()";
867 // Handle option properties that take an argument.
868 for (OptionPropertyList::const_iterator B = D.Props.begin(),
869 E = D.Props.end(); B!=E; ++B) {
870 const OptionProperty& val = *B;
873 // (append_cmd cmd) property
874 case OptionPropertyType::AppendCmd:
875 O << Indent3 << "vec.push_back(\"" << val.second << "\");\n";
877 // Other properties with argument
885 // (forward) property
887 EmitForwardOptionPropertyHandlingCode(D, O);
889 // (unpack_values) property
890 if (D.isUnpackValues()) {
891 if (IsListOptionType(D.Type)) {
892 O << Indent3 << "for (" << D.GenTypeDeclaration()
893 << "::iterator B = " << D.GenVariableName() << ".begin(),\n"
894 << Indent3 << "E = " << D.GenVariableName()
895 << ".end(); B != E; ++B)\n"
896 << Indent4 << "llvm::SplitString(*B, vec, \",\");\n";
898 else if (D.Type == OptionType::Prefix || D.Type == OptionType::Parameter){
899 O << Indent3 << "llvm::SplitString("
900 << D.GenVariableName() << ", vec, \",\");\n";
903 throw std::string("Switches can't have unpack_values property!");
907 // End of the if-clause.
908 O << Indent2 << "}\n";
911 /// SubstituteSpecialCommands - Perform string substitution for $CALL
912 /// and $ENV. Helper function used by EmitCmdLineVecFill().
913 std::string SubstituteSpecialCommands(const std::string& cmd) {
914 size_t cparen = cmd.find(")");
917 if (cmd.find("$CALL(") == 0) {
919 throw std::string("$CALL invocation: empty argument list!");
922 ret += std::string(cmd.begin() + 6, cmd.begin() + cparen);
925 else if (cmd.find("$ENV(") == 0) {
927 throw std::string("$ENV invocation: empty argument list!");
929 ret += "std::getenv(\"";
930 ret += std::string(cmd.begin() + 5, cmd.begin() + cparen);
934 throw "Unknown special command: " + cmd;
937 if (cmd.begin() + cparen + 1 != cmd.end()) {
938 ret += " + std::string(\"";
939 ret += (cmd.c_str() + cparen + 1);
946 /// EmitCmdLineVecFill - Emit code that fills in the command line
947 /// vector. Helper function used by EmitGenerateActionMethod().
948 void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
949 bool Version, const char* IndentLevel,
952 SplitString(InitPtrToString(CmdLine), StrVec);
954 throw "Tool " + ToolName + " has empty command line!";
956 StrVector::const_iterator I = StrVec.begin();
958 for (StrVector::const_iterator E = StrVec.end(); I != E; ++I) {
959 const std::string& cmd = *I;
961 if (cmd.at(0) == '$') {
962 if (cmd == "$INFILE") {
964 O << "for (PathVector::const_iterator B = inFiles.begin()"
965 << ", E = inFiles.end();\n"
966 << IndentLevel << "B != E; ++B)\n"
967 << IndentLevel << Indent1 << "vec.push_back(B->toString());\n";
969 O << "vec.push_back(inFile.toString());\n";
971 else if (cmd == "$OUTFILE") {
972 O << "vec.push_back(outFile.toString());\n";
975 O << "vec.push_back(" << SubstituteSpecialCommands(cmd);
980 O << "vec.push_back(\"" << cmd << "\");\n";
983 O << IndentLevel << "ret = Action("
984 << ((StrVec[0][0] == '$') ? SubstituteSpecialCommands(StrVec[0])
985 : "\"" + StrVec[0] + "\"")
989 /// EmitCmdLineVecFillCallback - A function object wrapper around
990 /// EmitCmdLineVecFill(). Used by EmitGenerateActionMethod() as an
991 /// argument to EmitCaseConstructHandler().
992 class EmitCmdLineVecFillCallback {
994 const std::string& ToolName;
996 EmitCmdLineVecFillCallback(bool Ver, const std::string& TN)
997 : Version(Ver), ToolName(TN) {}
999 void operator()(const Init* Statement, const char* IndentLevel,
1000 std::ostream& O) const
1002 EmitCmdLineVecFill(Statement, ToolName, Version,
1003 (std::string(IndentLevel) + Indent1).c_str(), O);
1007 // EmitGenerateActionMethod - Emit one of two versions of the
1008 // Tool::GenerateAction() method.
1009 void EmitGenerateActionMethod (const ToolProperties& P,
1010 const GlobalOptionDescriptions& OptDescs,
1011 bool Version, std::ostream& O) {
1013 O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n";
1015 O << Indent1 << "Action GenerateAction(const sys::Path& inFile,\n";
1017 O << Indent2 << "const sys::Path& outFile,\n"
1018 << Indent2 << "const InputLanguagesSet& InLangs) const\n"
1020 << Indent2 << "Action ret;\n"
1021 << Indent2 << "std::vector<std::string> vec;\n";
1023 // cmd_line is either a string or a 'case' construct.
1024 if (typeid(*P.CmdLine) == typeid(StringInit))
1025 EmitCmdLineVecFill(P.CmdLine, P.Name, Version, Indent2, O);
1027 EmitCaseConstructHandler(&InitPtrToDag(P.CmdLine), Indent2,
1028 EmitCmdLineVecFillCallback(Version, P.Name),
1031 // For every understood option, emit handling code.
1032 for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
1033 E = P.OptDescs.end(); B != E; ++B) {
1034 const ToolOptionDescription& val = B->second;
1035 EmitOptionPropertyHandlingCode(val, O);
1038 // Handle the Sink property.
1040 O << Indent2 << "if (!" << SinkOptionName << ".empty()) {\n"
1041 << Indent3 << "vec.insert(vec.end(), "
1042 << SinkOptionName << ".begin(), " << SinkOptionName << ".end());\n"
1043 << Indent2 << "}\n";
1046 O << Indent2 << "return ret;\n"
1047 << Indent1 << "}\n\n";
1050 /// EmitGenerateActionMethods - Emit two GenerateAction() methods for
1051 /// a given Tool class.
1052 void EmitGenerateActionMethods (const ToolProperties& P,
1053 const GlobalOptionDescriptions& OptDescs,
1056 O << Indent1 << "Action GenerateAction(const PathVector& inFiles,\n"
1057 << Indent2 << "const llvm::sys::Path& outFile,\n"
1058 << Indent2 << "const InputLanguagesSet& InLangs) const\n"
1060 << Indent2 << "throw std::runtime_error(\"" << P.Name
1061 << " is not a Join tool!\");\n"
1062 << Indent1 << "}\n\n";
1064 EmitGenerateActionMethod(P, OptDescs, true, O);
1066 EmitGenerateActionMethod(P, OptDescs, false, O);
1069 /// EmitIsLastMethod - Emit the IsLast() method for a given Tool
1071 void EmitIsLastMethod (const ToolProperties& P, std::ostream& O) {
1072 O << Indent1 << "bool IsLast() const {\n"
1073 << Indent2 << "bool last = false;\n";
1075 for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
1076 E = P.OptDescs.end(); B != E; ++B) {
1077 const ToolOptionDescription& val = B->second;
1079 if (val.isStopCompilation())
1081 << "if (" << val.GenVariableName()
1082 << ")\n" << Indent3 << "last = true;\n";
1085 O << Indent2 << "return last;\n"
1086 << Indent1 << "}\n\n";
1089 /// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
1090 /// methods for a given Tool class.
1091 void EmitInOutLanguageMethods (const ToolProperties& P, std::ostream& O) {
1092 O << Indent1 << "StrVector InputLanguages() const {\n"
1093 << Indent2 << "StrVector ret;\n";
1095 for (StrVector::const_iterator B = P.InLanguage.begin(),
1096 E = P.InLanguage.end(); B != E; ++B) {
1097 O << Indent2 << "ret.push_back(\"" << *B << "\");\n";
1100 O << Indent2 << "return ret;\n"
1101 << Indent1 << "}\n\n";
1103 O << Indent1 << "const char* OutputLanguage() const {\n"
1104 << Indent2 << "return \"" << P.OutLanguage << "\";\n"
1105 << Indent1 << "}\n\n";
1108 /// EmitOutputSuffixMethod - Emit the OutputSuffix() method for a
1109 /// given Tool class.
1110 void EmitOutputSuffixMethod (const ToolProperties& P, std::ostream& O) {
1111 O << Indent1 << "const char* OutputSuffix() const {\n"
1112 << Indent2 << "const char* ret = \"" << P.OutputSuffix << "\";\n";
1114 for (ToolOptionDescriptions::const_iterator B = P.OptDescs.begin(),
1115 E = P.OptDescs.end(); B != E; ++B) {
1116 const ToolOptionDescription& OptDesc = B->second;
1117 for (OptionPropertyList::const_iterator B = OptDesc.Props.begin(),
1118 E = OptDesc.Props.end(); B != E; ++B) {
1119 const OptionProperty& OptProp = *B;
1120 if (OptProp.first == OptionPropertyType::OutputSuffix) {
1121 O << Indent2 << "if (" << OptDesc.GenVariableName() << ")\n"
1122 << Indent3 << "ret = \"" << OptProp.second << "\";\n";
1127 O << Indent2 << "return ret;\n"
1128 << Indent1 << "}\n\n";
1131 /// EmitNameMethod - Emit the Name() method for a given Tool class.
1132 void EmitNameMethod (const ToolProperties& P, std::ostream& O) {
1133 O << Indent1 << "const char* Name() const {\n"
1134 << Indent2 << "return \"" << P.Name << "\";\n"
1135 << Indent1 << "}\n\n";
1138 /// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
1140 void EmitIsJoinMethod (const ToolProperties& P, std::ostream& O) {
1141 O << Indent1 << "bool IsJoin() const {\n";
1143 O << Indent2 << "return true;\n";
1145 O << Indent2 << "return false;\n";
1146 O << Indent1 << "}\n\n";
1149 /// EmitToolClassDefinition - Emit a Tool class definition.
1150 void EmitToolClassDefinition (const ToolProperties& P,
1151 const GlobalOptionDescriptions& OptDescs,
1153 if (P.Name == "root")
1157 O << "class " << P.Name << " : public ";
1162 O << " {\npublic:\n";
1164 EmitNameMethod(P, O);
1165 EmitInOutLanguageMethods(P, O);
1166 EmitOutputSuffixMethod(P, O);
1167 EmitIsJoinMethod(P, O);
1168 EmitGenerateActionMethods(P, OptDescs, O);
1169 EmitIsLastMethod(P, O);
1171 // Close class definition
1175 /// EmitOptionDescriptions - Iterate over a list of option
1176 /// descriptions and emit registration code.
1177 void EmitOptionDescriptions (const GlobalOptionDescriptions& descs,
1180 // Emit static cl::Option variables
1181 for (GlobalOptionDescriptions::const_iterator B = descs.begin(),
1182 E = descs.end(); B!=E; ++B) {
1183 const GlobalOptionDescription& val = B->second;
1185 O << val.GenTypeDeclaration() << ' '
1186 << val.GenVariableName()
1187 << "(\"" << val.Name << '\"';
1189 if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
1190 O << ", cl::Prefix";
1192 if (val.isRequired()) {
1194 case OptionType::PrefixList:
1195 case OptionType::ParameterList:
1196 O << ", cl::OneOrMore";
1199 O << ", cl::Required";
1203 O << ", cl::desc(\"" << val.Help << "\"));\n";
1207 O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
1212 /// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
1213 void EmitPopulateLanguageMap (const RecordKeeper& Records, std::ostream& O)
1215 // Get the relevant field out of RecordKeeper
1216 Record* LangMapRecord = Records.getDef("LanguageMap");
1218 throw std::string("Language map definition not found!");
1220 ListInit* LangsToSuffixesList = LangMapRecord->getValueAsListInit("map");
1221 if (!LangsToSuffixesList)
1222 throw std::string("Error in the language map definition!");
1225 O << "void llvmc::PopulateLanguageMap(LanguageMap& language_map) {\n";
1227 for (unsigned i = 0; i < LangsToSuffixesList->size(); ++i) {
1228 Record* LangToSuffixes = LangsToSuffixesList->getElementAsRecord(i);
1230 const std::string& Lang = LangToSuffixes->getValueAsString("lang");
1231 const ListInit* Suffixes = LangToSuffixes->getValueAsListInit("suffixes");
1233 for (unsigned i = 0; i < Suffixes->size(); ++i)
1234 O << Indent1 << "language_map[\""
1235 << InitPtrToString(Suffixes->getElement(i))
1236 << "\"] = \"" << Lang << "\";\n";
1242 /// FillInToolToLang - Fills in two tables that map tool names to
1243 /// (input, output) languages. Used by the typechecker.
1244 void FillInToolToLang (const ToolPropertiesList& TPList,
1245 StringMap<StringSet<> >& ToolToInLang,
1246 StringMap<std::string>& ToolToOutLang) {
1247 for (ToolPropertiesList::const_iterator B = TPList.begin(), E = TPList.end();
1249 const ToolProperties& P = *(*B);
1250 for (StrVector::const_iterator B = P.InLanguage.begin(),
1251 E = P.InLanguage.end(); B != E; ++B)
1252 ToolToInLang[P.Name].insert(*B);
1253 ToolToOutLang[P.Name] = P.OutLanguage;
1257 /// TypecheckGraph - Check that names for output and input languages
1258 /// on all edges do match.
1259 // TOFIX: It would be nice if this function also checked for cycles
1260 // and multiple default edges in the graph (better error
1261 // reporting). Unfortunately, it is awkward to do right now because
1262 // our intermediate representation is not sufficiently
1263 // sofisticated. Algorithms like these should be run on a real graph
1265 void TypecheckGraph (Record* CompilationGraph,
1266 const ToolPropertiesList& TPList) {
1267 StringMap<StringSet<> > ToolToInLang;
1268 StringMap<std::string> ToolToOutLang;
1270 FillInToolToLang(TPList, ToolToInLang, ToolToOutLang);
1271 ListInit* edges = CompilationGraph->getValueAsListInit("edges");
1272 StringMap<std::string>::iterator IAE = ToolToOutLang.end();
1273 StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
1275 for (unsigned i = 0; i < edges->size(); ++i) {
1276 Record* Edge = edges->getElementAsRecord(i);
1277 Record* A = Edge->getValueAsDef("a");
1278 Record* B = Edge->getValueAsDef("b");
1279 StringMap<std::string>::iterator IA = ToolToOutLang.find(A->getName());
1280 StringMap<StringSet<> >::iterator IB = ToolToInLang.find(B->getName());
1282 throw A->getName() + ": no such tool!";
1284 throw B->getName() + ": no such tool!";
1285 if (A->getName() != "root" && IB->second.count(IA->second) == 0)
1286 throw "Edge " + A->getName() + "->" + B->getName()
1287 + ": output->input language mismatch";
1288 if (B->getName() == "root")
1289 throw std::string("Edges back to the root are not allowed!");
1293 /// IncDecWeight - Helper function passed to EmitCaseConstructHandler()
1294 /// by EmitEdgeClass().
1295 void IncDecWeight (const Init* i, const char* IndentLevel,
1297 const DagInit& d = InitPtrToDag(i);
1298 const std::string& OpName = d.getOperator()->getAsString();
1300 if (OpName == "inc_weight")
1301 O << IndentLevel << Indent1 << "ret += ";
1302 else if (OpName == "dec_weight")
1303 O << IndentLevel << Indent1 << "ret -= ";
1305 throw "Unknown operator in edge properties list: " + OpName + '!';
1307 if (d.getNumArgs() > 0)
1308 O << InitPtrToInt(d.getArg(0)) << ";\n";
1314 /// EmitEdgeClass - Emit a single Edge# class.
1315 void EmitEdgeClass (unsigned N, const std::string& Target,
1316 DagInit* Case, const GlobalOptionDescriptions& OptDescs,
1319 // Class constructor.
1320 O << "class Edge" << N << ": public Edge {\n"
1322 << Indent1 << "Edge" << N << "() : Edge(\"" << Target
1325 // Function Weight().
1326 << Indent1 << "unsigned Weight(const InputLanguagesSet& InLangs) const {\n"
1327 << Indent2 << "unsigned ret = 0;\n";
1329 // Handle the 'case' construct.
1330 EmitCaseConstructHandler(Case, Indent2, IncDecWeight, false, OptDescs, O);
1332 O << Indent2 << "return ret;\n"
1333 << Indent1 << "};\n\n};\n\n";
1336 /// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
1337 void EmitEdgeClasses (Record* CompilationGraph,
1338 const GlobalOptionDescriptions& OptDescs,
1340 ListInit* edges = CompilationGraph->getValueAsListInit("edges");
1342 for (unsigned i = 0; i < edges->size(); ++i) {
1343 Record* Edge = edges->getElementAsRecord(i);
1344 Record* B = Edge->getValueAsDef("b");
1345 DagInit* Weight = Edge->getValueAsDag("weight");
1347 if (isDagEmpty(Weight))
1350 EmitEdgeClass(i, B->getName(), Weight, OptDescs, O);
1354 /// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph()
1356 void EmitPopulateCompilationGraph (Record* CompilationGraph,
1359 ListInit* edges = CompilationGraph->getValueAsListInit("edges");
1362 O << "void llvmc::PopulateCompilationGraph(CompilationGraph& G) {\n"
1363 << Indent1 << "PopulateLanguageMap(G.ExtsToLangs);\n\n";
1367 RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
1369 throw std::string("No tool definitions found!");
1371 for (RecordVector::iterator B = Tools.begin(), E = Tools.end(); B != E; ++B) {
1372 const std::string& Name = (*B)->getName();
1374 O << Indent1 << "G.insertNode(new "
1375 << Name << "());\n";
1381 for (unsigned i = 0; i < edges->size(); ++i) {
1382 Record* Edge = edges->getElementAsRecord(i);
1383 Record* A = Edge->getValueAsDef("a");
1384 Record* B = Edge->getValueAsDef("b");
1385 DagInit* Weight = Edge->getValueAsDag("weight");
1387 O << Indent1 << "G.insertEdge(\"" << A->getName() << "\", ";
1389 if (isDagEmpty(Weight))
1390 O << "new SimpleEdge(\"" << B->getName() << "\")";
1392 O << "new Edge" << i << "()";
1400 /// ExtractHookNames - Extract the hook names from all instances of
1401 /// $CALL(HookName) in the provided command line string. Helper
1402 /// function used by FillInHookNames().
1403 void ExtractHookNames(const Init* CmdLine, StrVector& HookNames) {
1405 llvm::SplitString(InitPtrToString(CmdLine), cmds);
1406 for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
1408 const std::string& cmd = *B;
1409 if (cmd.find("$CALL(") == 0) {
1410 if (cmd.size() == 6)
1411 throw std::string("$CALL invocation: empty argument list!");
1412 HookNames.push_back(std::string(cmd.begin() + 6,
1413 cmd.begin() + cmd.find(")")));
1418 /// FillInHookNames - Actually extract the hook names from all command
1419 /// line strings. Helper function used by EmitHookDeclarations().
1420 void FillInHookNames(const ToolPropertiesList& TPList,
1421 StrVector& HookNames) {
1422 for (ToolPropertiesList::const_iterator B = TPList.begin(),
1423 E = TPList.end(); B != E; ++B) {
1424 const ToolProperties& P = *(*B);
1427 if (typeid(*P.CmdLine) == typeid(StringInit)) {
1428 // This is a string.
1429 ExtractHookNames(P.CmdLine, HookNames);
1432 // This is a 'case' construct.
1433 const DagInit& d = InitPtrToDag(P.CmdLine);
1435 for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
1438 ExtractHookNames(*B, HookNames);
1445 /// EmitHookDeclarations - Parse CmdLine fields of all the tool
1446 /// property records and emit hook function declaration for each
1447 /// instance of $CALL(HookName).
1448 void EmitHookDeclarations(const ToolPropertiesList& ToolProps,
1450 StrVector HookNames;
1451 FillInHookNames(ToolProps, HookNames);
1452 if (HookNames.empty())
1454 std::sort(HookNames.begin(), HookNames.end());
1455 StrVector::const_iterator E = std::unique(HookNames.begin(), HookNames.end());
1457 O << "namespace hooks {\n";
1458 for (StrVector::const_iterator B = HookNames.begin(); B != E; ++B)
1459 O << Indent1 << "std::string " << *B << "();\n";
1464 // End of anonymous namespace
1467 /// run - The back-end entry point.
1468 void LLVMCConfigurationEmitter::run (std::ostream &O) {
1470 // Emit file header.
1471 EmitSourceFileHeader("LLVMC Configuration Library", O);
1473 // Get a list of all defined Tools.
1474 RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
1476 throw std::string("No tool definitions found!");
1478 // Gather information from the Tool description dags.
1479 ToolPropertiesList tool_props;
1480 GlobalOptionDescriptions opt_descs;
1481 CollectToolProperties(Tools.begin(), Tools.end(), tool_props, opt_descs);
1483 // Emit global option registration code.
1484 EmitOptionDescriptions(opt_descs, O);
1486 // Emit hook declarations.
1487 EmitHookDeclarations(tool_props, O);
1489 // Emit PopulateLanguageMap() function
1490 // (a language map maps from file extensions to language names).
1491 EmitPopulateLanguageMap(Records, O);
1493 // Emit Tool classes.
1494 for (ToolPropertiesList::const_iterator B = tool_props.begin(),
1495 E = tool_props.end(); B!=E; ++B)
1496 EmitToolClassDefinition(*(*B), opt_descs, O);
1498 Record* CompilationGraphRecord = Records.getDef("CompilationGraph");
1499 if (!CompilationGraphRecord)
1500 throw std::string("Compilation graph description not found!");
1502 // Typecheck the compilation graph.
1503 TypecheckGraph(CompilationGraphRecord, tool_props);
1505 // Emit Edge# classes.
1506 EmitEdgeClasses(CompilationGraphRecord, opt_descs, O);
1508 // Emit PopulateCompilationGraph() function.
1509 EmitPopulateCompilationGraph(CompilationGraphRecord, O);