1 //===- LLVMCConfigurationEmitter.cpp - Generate LLVMC config ----*- C++ -*-===//
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/StringMap.h"
19 #include "llvm/ADT/StringSet.h"
32 //===----------------------------------------------------------------------===//
35 typedef std::vector<Record*> RecordVector;
36 typedef std::vector<const DagInit*> DagVector;
37 typedef std::vector<std::string> StrVector;
39 //===----------------------------------------------------------------------===//
43 const unsigned TabWidth = 4;
44 const unsigned Indent1 = TabWidth*1;
45 const unsigned Indent2 = TabWidth*2;
46 const unsigned Indent3 = TabWidth*3;
47 const unsigned Indent4 = TabWidth*4;
49 // Default help string.
50 const char * const DefaultHelpString = "NO HELP MESSAGE PROVIDED";
52 // Name for the "sink" option.
53 const char * const SinkOptionName = "SinkOption";
55 //===----------------------------------------------------------------------===//
58 /// Id - An 'identity' function object.
61 void operator()(const T0&) const {
63 template<typename T0, typename T1>
64 void operator()(const T0&, const T1&) const {
66 template<typename T0, typename T1, typename T2>
67 void operator()(const T0&, const T1&, const T2&) const {
71 int InitPtrToInt(const Init* ptr) {
72 const IntInit& val = dynamic_cast<const IntInit&>(*ptr);
73 return val.getValue();
76 const std::string& InitPtrToString(const Init* ptr) {
77 const StringInit& val = dynamic_cast<const StringInit&>(*ptr);
78 return val.getValue();
81 const ListInit& InitPtrToList(const Init* ptr) {
82 const ListInit& val = dynamic_cast<const ListInit&>(*ptr);
86 const DagInit& InitPtrToDag(const Init* ptr) {
87 const DagInit& val = dynamic_cast<const DagInit&>(*ptr);
91 const std::string GetOperatorName(const DagInit& D) {
92 return D.getOperator()->getAsString();
95 /// CheckBooleanConstant - Check that the provided value is a boolean constant.
96 void CheckBooleanConstant(const Init* I) {
97 const DefInit& val = dynamic_cast<const DefInit&>(*I);
98 const std::string& str = val.getAsString();
100 if (str != "true" && str != "false") {
101 throw "Incorrect boolean value: '" + str +
102 "': must be either 'true' or 'false'";
106 // CheckNumberOfArguments - Ensure that the number of args in d is
107 // greater than or equal to min_arguments, otherwise throw an exception.
108 void CheckNumberOfArguments (const DagInit& d, unsigned minArgs) {
109 if (d.getNumArgs() < minArgs)
110 throw GetOperatorName(d) + ": too few arguments!";
113 // EscapeVariableName - Escape commas and other symbols not allowed
114 // in the C++ variable names. Makes it possible to use options named
115 // like "Wa," (useful for prefix options).
116 std::string EscapeVariableName (const std::string& Var) {
118 for (unsigned i = 0; i != Var.size(); ++i) {
119 char cur_char = Var[i];
120 if (cur_char == ',') {
123 else if (cur_char == '+') {
126 else if (cur_char == '-') {
130 ret.push_back(cur_char);
136 /// EscapeQuotes - Replace '"' with '\"'.
137 std::string EscapeQuotes (const std::string& Var) {
139 for (unsigned i = 0; i != Var.size(); ++i) {
140 char cur_char = Var[i];
141 if (cur_char == '"') {
145 ret.push_back(cur_char);
151 /// OneOf - Does the input string contain this character?
152 bool OneOf(const char* lst, char c) {
160 template <class I, class S>
161 void CheckedIncrement(I& P, I E, S ErrorString) {
167 // apply is needed because C++'s syntax doesn't let us construct a function
168 // object and call it in the same statement.
169 template<typename F, typename T0>
170 void apply(F Fun, T0& Arg0) {
174 template<typename F, typename T0, typename T1>
175 void apply(F Fun, T0& Arg0, T1& Arg1) {
176 return Fun(Arg0, Arg1);
179 //===----------------------------------------------------------------------===//
180 /// Back-end specific code
183 /// OptionType - One of six different option types. See the
184 /// documentation for detailed description of differences.
185 namespace OptionType {
187 enum OptionType { Alias, Switch, SwitchList,
188 Parameter, ParameterList, Prefix, PrefixList };
190 bool IsAlias(OptionType t) {
194 bool IsList (OptionType t) {
195 return (t == SwitchList || t == ParameterList || t == PrefixList);
198 bool IsSwitch (OptionType t) {
199 return (t == Switch);
202 bool IsSwitchList (OptionType t) {
203 return (t == SwitchList);
206 bool IsParameter (OptionType t) {
207 return (t == Parameter || t == Prefix);
212 OptionType::OptionType stringToOptionType(const std::string& T) {
213 if (T == "alias_option")
214 return OptionType::Alias;
215 else if (T == "switch_option")
216 return OptionType::Switch;
217 else if (T == "switch_list_option")
218 return OptionType::SwitchList;
219 else if (T == "parameter_option")
220 return OptionType::Parameter;
221 else if (T == "parameter_list_option")
222 return OptionType::ParameterList;
223 else if (T == "prefix_option")
224 return OptionType::Prefix;
225 else if (T == "prefix_list_option")
226 return OptionType::PrefixList;
228 throw "Unknown option type: " + T + '!';
231 namespace OptionDescriptionFlags {
232 enum OptionDescriptionFlags { Required = 0x1, Hidden = 0x2,
233 ReallyHidden = 0x4, OneOrMore = 0x8,
234 Optional = 0x10, CommaSeparated = 0x20,
235 ForwardNotSplit = 0x40, ZeroOrMore = 0x80 };
238 /// OptionDescription - Represents data contained in a single
239 /// OptionList entry.
240 struct OptionDescription {
241 OptionType::OptionType Type;
248 OptionDescription(OptionType::OptionType t = OptionType::Switch,
249 const std::string& n = "",
250 const std::string& h = DefaultHelpString)
251 : Type(t), Name(n), Flags(0x0), Help(h), MultiVal(1), InitVal(0)
254 /// GenTypeDeclaration - Returns the C++ variable type of this
256 const char* GenTypeDeclaration() const;
258 /// GenVariableName - Returns the variable name used in the
259 /// generated C++ code.
260 std::string GenVariableName() const
261 { return "autogenerated::" + GenOptionType() + EscapeVariableName(Name); }
263 /// GenPlainVariableName - Returns the variable name without the namespace
265 std::string GenPlainVariableName() const
266 { return GenOptionType() + EscapeVariableName(Name); }
268 /// Merge - Merge two option descriptions.
269 void Merge (const OptionDescription& other);
271 /// CheckConsistency - Check that the flags are consistent.
272 void CheckConsistency() const;
274 // Misc convenient getters/setters.
276 bool isAlias() const;
278 bool isMultiVal() const;
280 bool isCommaSeparated() const;
281 void setCommaSeparated();
283 bool isForwardNotSplit() const;
284 void setForwardNotSplit();
286 bool isRequired() const;
289 bool isOneOrMore() const;
292 bool isZeroOrMore() const;
293 void setZeroOrMore();
295 bool isOptional() const;
298 bool isHidden() const;
301 bool isReallyHidden() const;
302 void setReallyHidden();
304 bool isSwitch() const
305 { return OptionType::IsSwitch(this->Type); }
307 bool isSwitchList() const
308 { return OptionType::IsSwitchList(this->Type); }
310 bool isParameter() const
311 { return OptionType::IsParameter(this->Type); }
314 { return OptionType::IsList(this->Type); }
316 bool isParameterList() const
317 { return (OptionType::IsList(this->Type)
318 && !OptionType::IsSwitchList(this->Type)); }
322 // GenOptionType - Helper function used by GenVariableName().
323 std::string GenOptionType() const;
326 void OptionDescription::CheckConsistency() const {
329 i += this->isRequired();
330 i += this->isOptional();
331 i += this->isOneOrMore();
332 i += this->isZeroOrMore();
335 throw "Only one of (required), (optional), (one_or_more) or "
336 "(zero_or_more) properties is allowed!";
340 void OptionDescription::Merge (const OptionDescription& other)
342 if (other.Type != Type)
343 throw "Conflicting definitions for the option " + Name + "!";
345 if (Help == other.Help || Help == DefaultHelpString)
347 else if (other.Help != DefaultHelpString) {
348 llvm::errs() << "Warning: several different help strings"
349 " defined for option " + Name + "\n";
352 Flags |= other.Flags;
355 bool OptionDescription::isAlias() const {
356 return OptionType::IsAlias(this->Type);
359 bool OptionDescription::isMultiVal() const {
363 bool OptionDescription::isCommaSeparated() const {
364 return Flags & OptionDescriptionFlags::CommaSeparated;
366 void OptionDescription::setCommaSeparated() {
367 Flags |= OptionDescriptionFlags::CommaSeparated;
370 bool OptionDescription::isForwardNotSplit() const {
371 return Flags & OptionDescriptionFlags::ForwardNotSplit;
373 void OptionDescription::setForwardNotSplit() {
374 Flags |= OptionDescriptionFlags::ForwardNotSplit;
377 bool OptionDescription::isRequired() const {
378 return Flags & OptionDescriptionFlags::Required;
380 void OptionDescription::setRequired() {
381 Flags |= OptionDescriptionFlags::Required;
384 bool OptionDescription::isOneOrMore() const {
385 return Flags & OptionDescriptionFlags::OneOrMore;
387 void OptionDescription::setOneOrMore() {
388 Flags |= OptionDescriptionFlags::OneOrMore;
391 bool OptionDescription::isZeroOrMore() const {
392 return Flags & OptionDescriptionFlags::ZeroOrMore;
394 void OptionDescription::setZeroOrMore() {
395 Flags |= OptionDescriptionFlags::ZeroOrMore;
398 bool OptionDescription::isOptional() const {
399 return Flags & OptionDescriptionFlags::Optional;
401 void OptionDescription::setOptional() {
402 Flags |= OptionDescriptionFlags::Optional;
405 bool OptionDescription::isHidden() const {
406 return Flags & OptionDescriptionFlags::Hidden;
408 void OptionDescription::setHidden() {
409 Flags |= OptionDescriptionFlags::Hidden;
412 bool OptionDescription::isReallyHidden() const {
413 return Flags & OptionDescriptionFlags::ReallyHidden;
415 void OptionDescription::setReallyHidden() {
416 Flags |= OptionDescriptionFlags::ReallyHidden;
419 const char* OptionDescription::GenTypeDeclaration() const {
421 case OptionType::Alias:
423 case OptionType::PrefixList:
424 case OptionType::ParameterList:
425 return "cl::list<std::string>";
426 case OptionType::Switch:
427 return "cl::opt<bool>";
428 case OptionType::SwitchList:
429 return "cl::list<bool>";
430 case OptionType::Parameter:
431 case OptionType::Prefix:
433 return "cl::opt<std::string>";
437 std::string OptionDescription::GenOptionType() const {
439 case OptionType::Alias:
441 case OptionType::PrefixList:
442 case OptionType::ParameterList:
444 case OptionType::Switch:
446 case OptionType::SwitchList:
447 return "SwitchList_";
448 case OptionType::Prefix:
449 case OptionType::Parameter:
455 /// OptionDescriptions - An OptionDescription array plus some helper
457 class OptionDescriptions {
458 typedef StringMap<OptionDescription> container_type;
460 /// Descriptions - A list of OptionDescriptions.
461 container_type Descriptions;
464 /// FindOption - exception-throwing wrapper for find().
465 const OptionDescription& FindOption(const std::string& OptName) const;
467 // Wrappers for FindOption that throw an exception in case the option has a
469 const OptionDescription& FindSwitch(const std::string& OptName) const;
470 const OptionDescription& FindParameter(const std::string& OptName) const;
471 const OptionDescription& FindList(const std::string& OptName) const;
472 const OptionDescription& FindParameterList(const std::string& OptName) const;
473 const OptionDescription&
474 FindListOrParameter(const std::string& OptName) const;
475 const OptionDescription&
476 FindParameterListOrParameter(const std::string& OptName) const;
478 /// insertDescription - Insert new OptionDescription into
479 /// OptionDescriptions list
480 void InsertDescription (const OptionDescription& o);
482 // Support for STL-style iteration
483 typedef container_type::const_iterator const_iterator;
484 const_iterator begin() const { return Descriptions.begin(); }
485 const_iterator end() const { return Descriptions.end(); }
488 const OptionDescription&
489 OptionDescriptions::FindOption(const std::string& OptName) const {
490 const_iterator I = Descriptions.find(OptName);
491 if (I != Descriptions.end())
494 throw OptName + ": no such option!";
497 const OptionDescription&
498 OptionDescriptions::FindSwitch(const std::string& OptName) const {
499 const OptionDescription& OptDesc = this->FindOption(OptName);
500 if (!OptDesc.isSwitch())
501 throw OptName + ": incorrect option type - should be a switch!";
505 const OptionDescription&
506 OptionDescriptions::FindList(const std::string& OptName) const {
507 const OptionDescription& OptDesc = this->FindOption(OptName);
508 if (!OptDesc.isList())
509 throw OptName + ": incorrect option type - should be a list!";
513 const OptionDescription&
514 OptionDescriptions::FindParameterList(const std::string& OptName) const {
515 const OptionDescription& OptDesc = this->FindOption(OptName);
516 if (!OptDesc.isList() || OptDesc.isSwitchList())
517 throw OptName + ": incorrect option type - should be a parameter list!";
521 const OptionDescription&
522 OptionDescriptions::FindParameter(const std::string& OptName) const {
523 const OptionDescription& OptDesc = this->FindOption(OptName);
524 if (!OptDesc.isParameter())
525 throw OptName + ": incorrect option type - should be a parameter!";
529 const OptionDescription&
530 OptionDescriptions::FindListOrParameter(const std::string& OptName) const {
531 const OptionDescription& OptDesc = this->FindOption(OptName);
532 if (!OptDesc.isList() && !OptDesc.isParameter())
534 + ": incorrect option type - should be a list or parameter!";
538 const OptionDescription&
539 OptionDescriptions::FindParameterListOrParameter
540 (const std::string& OptName) const {
541 const OptionDescription& OptDesc = this->FindOption(OptName);
542 if ((!OptDesc.isList() && !OptDesc.isParameter()) || OptDesc.isSwitchList())
544 + ": incorrect option type - should be a parameter list or parameter!";
548 void OptionDescriptions::InsertDescription (const OptionDescription& o) {
549 container_type::iterator I = Descriptions.find(o.Name);
550 if (I != Descriptions.end()) {
551 OptionDescription& D = I->second;
555 Descriptions[o.Name] = o;
559 /// HandlerTable - A base class for function objects implemented as
560 /// 'tables of handlers'.
561 template <typename Handler>
564 // Implementation details.
566 /// HandlerMap - A map from property names to property handlers
567 typedef StringMap<Handler> HandlerMap;
569 static HandlerMap Handlers_;
570 static bool staticMembersInitialized_;
574 Handler GetHandler (const std::string& HandlerName) const {
575 typename HandlerMap::iterator method = Handlers_.find(HandlerName);
577 if (method != Handlers_.end()) {
578 Handler h = method->second;
582 throw "No handler found for property " + HandlerName + "!";
586 void AddHandler(const char* Property, Handler H) {
587 Handlers_[Property] = H;
592 template <class Handler, class FunctionObject>
593 Handler GetHandler(FunctionObject* Obj, const DagInit& Dag) {
594 const std::string& HandlerName = GetOperatorName(Dag);
595 return Obj->GetHandler(HandlerName);
598 template <class FunctionObject>
599 void InvokeDagInitHandler(FunctionObject* Obj, Init* I) {
600 typedef void (FunctionObject::*Handler) (const DagInit&);
602 const DagInit& Dag = InitPtrToDag(I);
603 Handler h = GetHandler<Handler>(Obj, Dag);
608 template <class FunctionObject>
609 void InvokeDagInitHandler(const FunctionObject* const Obj,
610 const Init* I, unsigned IndentLevel, raw_ostream& O)
612 typedef void (FunctionObject::*Handler)
613 (const DagInit&, unsigned IndentLevel, raw_ostream& O) const;
615 const DagInit& Dag = InitPtrToDag(I);
616 Handler h = GetHandler<Handler>(Obj, Dag);
618 ((Obj)->*(h))(Dag, IndentLevel, O);
621 template <typename H>
622 typename HandlerTable<H>::HandlerMap HandlerTable<H>::Handlers_;
624 template <typename H>
625 bool HandlerTable<H>::staticMembersInitialized_ = false;
628 /// CollectOptionProperties - Function object for iterating over an
629 /// option property list.
630 class CollectOptionProperties;
631 typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
634 class CollectOptionProperties
635 : public HandlerTable<CollectOptionPropertiesHandler>
639 /// optDescs_ - OptionDescriptions table. This is where the
640 /// information is stored.
641 OptionDescription& optDesc_;
645 explicit CollectOptionProperties(OptionDescription& OD)
648 if (!staticMembersInitialized_) {
649 AddHandler("help", &CollectOptionProperties::onHelp);
650 AddHandler("hidden", &CollectOptionProperties::onHidden);
651 AddHandler("init", &CollectOptionProperties::onInit);
652 AddHandler("multi_val", &CollectOptionProperties::onMultiVal);
653 AddHandler("one_or_more", &CollectOptionProperties::onOneOrMore);
654 AddHandler("zero_or_more", &CollectOptionProperties::onZeroOrMore);
655 AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
656 AddHandler("required", &CollectOptionProperties::onRequired);
657 AddHandler("optional", &CollectOptionProperties::onOptional);
658 AddHandler("comma_separated", &CollectOptionProperties::onCommaSeparated);
659 AddHandler("forward_not_split",
660 &CollectOptionProperties::onForwardNotSplit);
662 staticMembersInitialized_ = true;
666 /// operator() - Just forwards to the corresponding property
668 void operator() (Init* I) {
669 InvokeDagInitHandler(this, I);
674 /// Option property handlers --
675 /// Methods that handle option properties such as (help) or (hidden).
677 void onHelp (const DagInit& d) {
678 CheckNumberOfArguments(d, 1);
679 optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
682 void onHidden (const DagInit& d) {
683 CheckNumberOfArguments(d, 0);
684 optDesc_.setHidden();
687 void onReallyHidden (const DagInit& d) {
688 CheckNumberOfArguments(d, 0);
689 optDesc_.setReallyHidden();
692 void onCommaSeparated (const DagInit& d) {
693 CheckNumberOfArguments(d, 0);
694 if (!optDesc_.isParameterList())
695 throw "'comma_separated' is valid only on parameter list options!";
696 optDesc_.setCommaSeparated();
699 void onForwardNotSplit (const DagInit& d) {
700 CheckNumberOfArguments(d, 0);
701 if (!optDesc_.isParameter())
702 throw "'forward_not_split' is valid only for parameter options!";
703 optDesc_.setForwardNotSplit();
706 void onRequired (const DagInit& d) {
707 CheckNumberOfArguments(d, 0);
709 optDesc_.setRequired();
710 optDesc_.CheckConsistency();
713 void onInit (const DagInit& d) {
714 CheckNumberOfArguments(d, 1);
715 Init* i = d.getArg(0);
716 const std::string& str = i->getAsString();
718 bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
719 correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
722 throw "Incorrect usage of the 'init' option property!";
724 optDesc_.InitVal = i;
727 void onOneOrMore (const DagInit& d) {
728 CheckNumberOfArguments(d, 0);
730 optDesc_.setOneOrMore();
731 optDesc_.CheckConsistency();
734 void onZeroOrMore (const DagInit& d) {
735 CheckNumberOfArguments(d, 0);
737 if (optDesc_.isList())
738 llvm::errs() << "Warning: specifying the 'zero_or_more' property "
739 "on a list option has no effect.\n";
741 optDesc_.setZeroOrMore();
742 optDesc_.CheckConsistency();
745 void onOptional (const DagInit& d) {
746 CheckNumberOfArguments(d, 0);
748 if (!optDesc_.isList())
749 llvm::errs() << "Warning: specifying the 'optional' property"
750 "on a non-list option has no effect.\n";
752 optDesc_.setOptional();
753 optDesc_.CheckConsistency();
756 void onMultiVal (const DagInit& d) {
757 CheckNumberOfArguments(d, 1);
758 int val = InitPtrToInt(d.getArg(0));
760 throw "Error in the 'multi_val' property: "
761 "the value must be greater than 1!";
762 if (!optDesc_.isParameterList())
763 throw "The multi_val property is valid only on list options!";
764 optDesc_.MultiVal = val;
769 /// AddOption - A function object that is applied to every option
770 /// description. Used by CollectOptionDescriptions.
773 OptionDescriptions& OptDescs_;
776 explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
779 void operator()(const Init* i) {
780 const DagInit& d = InitPtrToDag(i);
781 CheckNumberOfArguments(d, 1);
783 const OptionType::OptionType Type =
784 stringToOptionType(GetOperatorName(d));
785 const std::string& Name = InitPtrToString(d.getArg(0));
787 OptionDescription OD(Type, Name);
789 CheckNumberOfArguments(d, 2);
792 // Aliases store the aliased option name in the 'Help' field.
793 OD.Help = InitPtrToString(d.getArg(1));
796 processOptionProperties(d, OD);
799 OptDescs_.InsertDescription(OD);
803 /// processOptionProperties - Go through the list of option
804 /// properties and call a corresponding handler for each.
805 static void processOptionProperties (const DagInit& d, OptionDescription& o) {
806 CheckNumberOfArguments(d, 2);
807 DagInit::const_arg_iterator B = d.arg_begin();
808 // Skip the first argument: it's always the option name.
810 std::for_each(B, d.arg_end(), CollectOptionProperties(o));
815 /// CollectOptionDescriptions - Collects option properties from all
817 void CollectOptionDescriptions (const RecordVector& V,
818 OptionDescriptions& OptDescs)
820 // For every OptionList:
821 for (RecordVector::const_iterator B = V.begin(),
822 E = V.end(); B!=E; ++B) {
823 // Throws an exception if the value does not exist.
824 ListInit* PropList = (*B)->getValueAsListInit("options");
826 // For every option description in this list:
827 // collect the information and
828 std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
832 // Tool information record
834 namespace ToolFlags {
835 enum ToolFlags { Join = 0x1, Sink = 0x2 };
838 struct ToolDescription : public RefCountedBase<ToolDescription> {
842 StrVector InLanguage;
843 std::string InFileOption;
844 std::string OutFileOption;
845 std::string OutLanguage;
846 std::string OutputSuffix;
850 // Various boolean properties
851 void setSink() { Flags |= ToolFlags::Sink; }
852 bool isSink() const { return Flags & ToolFlags::Sink; }
853 void setJoin() { Flags |= ToolFlags::Join; }
854 bool isJoin() const { return Flags & ToolFlags::Join; }
856 // Default ctor here is needed because StringMap can only store
857 // DefaultConstructible objects
859 : CmdLine(0), Actions(0), OutFileOption("-o"),
862 ToolDescription (const std::string& n)
863 : Name(n), CmdLine(0), Actions(0), OutFileOption("-o"),
868 /// ToolDescriptions - A list of Tool information records.
869 typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
872 /// CollectToolProperties - Function object for iterating over a list of
873 /// tool property records.
875 class CollectToolProperties;
876 typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
879 class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
883 /// toolDesc_ - Properties of the current Tool. This is where the
884 /// information is stored.
885 ToolDescription& toolDesc_;
889 explicit CollectToolProperties (ToolDescription& d)
892 if (!staticMembersInitialized_) {
894 AddHandler("actions", &CollectToolProperties::onActions);
895 AddHandler("command", &CollectToolProperties::onCommand);
896 AddHandler("in_language", &CollectToolProperties::onInLanguage);
897 AddHandler("join", &CollectToolProperties::onJoin);
898 AddHandler("out_language", &CollectToolProperties::onOutLanguage);
900 AddHandler("out_file_option", &CollectToolProperties::onOutFileOption);
901 AddHandler("in_file_option", &CollectToolProperties::onInFileOption);
903 AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
904 AddHandler("sink", &CollectToolProperties::onSink);
905 AddHandler("works_on_empty", &CollectToolProperties::onWorksOnEmpty);
907 staticMembersInitialized_ = true;
911 void operator() (Init* I) {
912 InvokeDagInitHandler(this, I);
917 /// Property handlers --
918 /// Functions that extract information about tool properties from
919 /// DAG representation.
921 void onActions (const DagInit& d) {
922 CheckNumberOfArguments(d, 1);
923 Init* Case = d.getArg(0);
924 if (typeid(*Case) != typeid(DagInit) ||
925 GetOperatorName(static_cast<DagInit&>(*Case)) != "case")
926 throw "The argument to (actions) should be a 'case' construct!";
927 toolDesc_.Actions = Case;
930 void onCommand (const DagInit& d) {
931 CheckNumberOfArguments(d, 1);
932 toolDesc_.CmdLine = d.getArg(0);
935 void onInLanguage (const DagInit& d) {
936 CheckNumberOfArguments(d, 1);
937 Init* arg = d.getArg(0);
939 // Find out the argument's type.
940 if (typeid(*arg) == typeid(StringInit)) {
942 toolDesc_.InLanguage.push_back(InitPtrToString(arg));
946 const ListInit& lst = InitPtrToList(arg);
947 StrVector& out = toolDesc_.InLanguage;
949 // Copy strings to the output vector.
950 for (ListInit::const_iterator B = lst.begin(), E = lst.end();
952 out.push_back(InitPtrToString(*B));
955 // Remove duplicates.
956 std::sort(out.begin(), out.end());
957 StrVector::iterator newE = std::unique(out.begin(), out.end());
958 out.erase(newE, out.end());
962 void onJoin (const DagInit& d) {
963 CheckNumberOfArguments(d, 0);
967 void onOutLanguage (const DagInit& d) {
968 CheckNumberOfArguments(d, 1);
969 toolDesc_.OutLanguage = InitPtrToString(d.getArg(0));
972 void onOutFileOption (const DagInit& d) {
973 CheckNumberOfArguments(d, 1);
974 toolDesc_.OutFileOption = InitPtrToString(d.getArg(0));
977 void onInFileOption (const DagInit& d) {
978 CheckNumberOfArguments(d, 1);
979 toolDesc_.InFileOption = InitPtrToString(d.getArg(0));
982 void onOutputSuffix (const DagInit& d) {
983 CheckNumberOfArguments(d, 1);
984 toolDesc_.OutputSuffix = InitPtrToString(d.getArg(0));
987 void onSink (const DagInit& d) {
988 CheckNumberOfArguments(d, 0);
992 void onWorksOnEmpty (const DagInit& d) {
993 toolDesc_.OnEmpty = d.getArg(0);
998 /// CollectToolDescriptions - Gather information about tool properties
999 /// from the parsed TableGen data (basically a wrapper for the
1000 /// CollectToolProperties function object).
1001 void CollectToolDescriptions (const RecordVector& Tools,
1002 ToolDescriptions& ToolDescs)
1004 // Iterate over a properties list of every Tool definition
1005 for (RecordVector::const_iterator B = Tools.begin(),
1006 E = Tools.end(); B!=E; ++B) {
1007 const Record* T = *B;
1008 // Throws an exception if the value does not exist.
1009 ListInit* PropList = T->getValueAsListInit("properties");
1011 IntrusiveRefCntPtr<ToolDescription>
1012 ToolDesc(new ToolDescription(T->getName()));
1014 std::for_each(PropList->begin(), PropList->end(),
1015 CollectToolProperties(*ToolDesc));
1016 ToolDescs.push_back(ToolDesc);
1020 /// FillInEdgeVector - Merge all compilation graph definitions into
1021 /// one single edge list.
1022 void FillInEdgeVector(const RecordVector& CompilationGraphs,
1024 for (RecordVector::const_iterator B = CompilationGraphs.begin(),
1025 E = CompilationGraphs.end(); B != E; ++B) {
1026 const ListInit* Edges = (*B)->getValueAsListInit("edges");
1028 for (ListInit::const_iterator B = Edges->begin(),
1029 E = Edges->end(); B != E; ++B) {
1030 Out.push_back(&InitPtrToDag(*B));
1035 /// NotInGraph - Helper function object for FilterNotInGraph.
1038 const llvm::StringSet<>& ToolsInGraph_;
1041 NotInGraph(const llvm::StringSet<>& ToolsInGraph)
1042 : ToolsInGraph_(ToolsInGraph)
1045 bool operator()(const IntrusiveRefCntPtr<ToolDescription>& x) {
1046 return (ToolsInGraph_.count(x->Name) == 0);
1050 /// FilterNotInGraph - Filter out from ToolDescs all Tools not
1051 /// mentioned in the compilation graph definition.
1052 void FilterNotInGraph (const DagVector& EdgeVector,
1053 ToolDescriptions& ToolDescs) {
1055 // List all tools mentioned in the graph.
1056 llvm::StringSet<> ToolsInGraph;
1058 for (DagVector::const_iterator B = EdgeVector.begin(),
1059 E = EdgeVector.end(); B != E; ++B) {
1061 const DagInit* Edge = *B;
1062 const std::string& NodeA = InitPtrToString(Edge->getArg(0));
1063 const std::string& NodeB = InitPtrToString(Edge->getArg(1));
1065 if (NodeA != "root")
1066 ToolsInGraph.insert(NodeA);
1067 ToolsInGraph.insert(NodeB);
1070 // Filter ToolPropertiesList.
1071 ToolDescriptions::iterator new_end =
1072 std::remove_if(ToolDescs.begin(), ToolDescs.end(),
1073 NotInGraph(ToolsInGraph));
1074 ToolDescs.erase(new_end, ToolDescs.end());
1077 /// FillInToolToLang - Fills in two tables that map tool names to
1078 /// (input, output) languages. Helper function used by TypecheckGraph().
1079 void FillInToolToLang (const ToolDescriptions& ToolDescs,
1080 StringMap<StringSet<> >& ToolToInLang,
1081 StringMap<std::string>& ToolToOutLang) {
1082 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1083 E = ToolDescs.end(); B != E; ++B) {
1084 const ToolDescription& D = *(*B);
1085 for (StrVector::const_iterator B = D.InLanguage.begin(),
1086 E = D.InLanguage.end(); B != E; ++B)
1087 ToolToInLang[D.Name].insert(*B);
1088 ToolToOutLang[D.Name] = D.OutLanguage;
1092 /// TypecheckGraph - Check that names for output and input languages
1093 /// on all edges do match.
1094 void TypecheckGraph (const DagVector& EdgeVector,
1095 const ToolDescriptions& ToolDescs) {
1096 StringMap<StringSet<> > ToolToInLang;
1097 StringMap<std::string> ToolToOutLang;
1099 FillInToolToLang(ToolDescs, ToolToInLang, ToolToOutLang);
1100 StringMap<std::string>::iterator IAE = ToolToOutLang.end();
1101 StringMap<StringSet<> >::iterator IBE = ToolToInLang.end();
1103 for (DagVector::const_iterator B = EdgeVector.begin(),
1104 E = EdgeVector.end(); B != E; ++B) {
1105 const DagInit* Edge = *B;
1106 const std::string& NodeA = InitPtrToString(Edge->getArg(0));
1107 const std::string& NodeB = InitPtrToString(Edge->getArg(1));
1108 StringMap<std::string>::iterator IA = ToolToOutLang.find(NodeA);
1109 StringMap<StringSet<> >::iterator IB = ToolToInLang.find(NodeB);
1111 if (NodeA != "root") {
1112 if (IA != IAE && IB != IBE && IB->second.count(IA->second) == 0)
1113 throw "Edge " + NodeA + "->" + NodeB
1114 + ": output->input language mismatch";
1117 if (NodeB == "root")
1118 throw "Edges back to the root are not allowed!";
1122 /// WalkCase - Walks the 'case' expression DAG and invokes
1123 /// TestCallback on every test, and StatementCallback on every
1124 /// statement. Handles 'case' nesting, but not the 'and' and 'or'
1125 /// combinators (that is, they are passed directly to TestCallback).
1126 /// TestCallback must have type 'void TestCallback(const DagInit*, unsigned
1127 /// IndentLevel, bool FirstTest)'.
1128 /// StatementCallback must have type 'void StatementCallback(const Init*,
1129 /// unsigned IndentLevel)'.
1130 template <typename F1, typename F2>
1131 void WalkCase(const Init* Case, F1 TestCallback, F2 StatementCallback,
1132 unsigned IndentLevel = 0)
1134 const DagInit& d = InitPtrToDag(Case);
1137 if (GetOperatorName(d) != "case")
1138 throw "WalkCase should be invoked only on 'case' expressions!";
1140 if (d.getNumArgs() < 2)
1141 throw "There should be at least one clause in the 'case' expression:\n"
1146 const unsigned numArgs = d.getNumArgs();
1148 for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
1155 const DagInit& Test = InitPtrToDag(arg);
1157 if (GetOperatorName(Test) == "default" && (i+1 != numArgs))
1158 throw "The 'default' clause should be the last in the "
1159 "'case' construct!";
1161 throw "Case construct handler: no corresponding action "
1162 "found for the test " + Test.getAsString() + '!';
1164 TestCallback(Test, IndentLevel, (i == 1));
1168 if (dynamic_cast<DagInit*>(arg)
1169 && GetOperatorName(static_cast<DagInit&>(*arg)) == "case") {
1171 WalkCase(arg, TestCallback, StatementCallback, IndentLevel + Indent1);
1174 // Handle statement.
1175 StatementCallback(arg, IndentLevel);
1183 /// ExtractOptionNames - A helper function object used by
1184 /// CheckForSuperfluousOptions() to walk the 'case' DAG.
1185 class ExtractOptionNames {
1186 llvm::StringSet<>& OptionNames_;
1188 void processDag(const Init* Statement) {
1189 const DagInit& Stmt = InitPtrToDag(Statement);
1190 const std::string& ActionName = GetOperatorName(Stmt);
1191 if (ActionName == "forward" || ActionName == "forward_as" ||
1192 ActionName == "forward_value" ||
1193 ActionName == "forward_transformed_value" ||
1194 ActionName == "switch_on" || ActionName == "any_switch_on" ||
1195 ActionName == "parameter_equals" ||
1196 ActionName == "element_in_list" || ActionName == "not_empty" ||
1197 ActionName == "empty") {
1198 CheckNumberOfArguments(Stmt, 1);
1200 Init* Arg = Stmt.getArg(0);
1201 if (typeid(*Arg) == typeid(StringInit)) {
1202 const std::string& Name = InitPtrToString(Arg);
1203 OptionNames_.insert(Name);
1207 const ListInit& List = InitPtrToList(Arg);
1208 for (ListInit::const_iterator B = List.begin(), E = List.end();
1210 const std::string& Name = InitPtrToString(*B);
1211 OptionNames_.insert(Name);
1215 else if (ActionName == "and" || ActionName == "or" || ActionName == "not") {
1216 for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
1217 this->processDag(Stmt.getArg(i));
1223 ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
1226 void operator()(const Init* Statement) {
1227 if (typeid(*Statement) == typeid(ListInit)) {
1228 const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1229 for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1231 this->processDag(*B);
1234 this->processDag(Statement);
1238 void operator()(const DagInit& Test, unsigned, bool) {
1239 this->operator()(&Test);
1241 void operator()(const Init* Statement, unsigned) {
1242 this->operator()(Statement);
1246 /// IsOptionalEdge - Validate that the 'optional_edge' has proper structure.
1247 bool IsOptionalEdge (const DagInit& Edg) {
1248 return (GetOperatorName(Edg) == "optional_edge") && (Edg.getNumArgs() > 2);
1251 /// CheckForSuperfluousOptions - Check that there are no side
1252 /// effect-free options (specified only in the OptionList). Otherwise,
1253 /// output a warning.
1254 void CheckForSuperfluousOptions (const DagVector& EdgeVector,
1255 const ToolDescriptions& ToolDescs,
1256 const OptionDescriptions& OptDescs) {
1257 llvm::StringSet<> nonSuperfluousOptions;
1259 // Add all options mentioned in the ToolDesc.Actions to the set of
1260 // non-superfluous options.
1261 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1262 E = ToolDescs.end(); B != E; ++B) {
1263 const ToolDescription& TD = *(*B);
1264 ExtractOptionNames Callback(nonSuperfluousOptions);
1266 WalkCase(TD.Actions, Callback, Callback);
1269 // Add all options mentioned in the 'case' clauses of the
1270 // OptionalEdges of the compilation graph to the set of
1271 // non-superfluous options.
1272 for (DagVector::const_iterator B = EdgeVector.begin(),
1273 E = EdgeVector.end(); B != E; ++B) {
1274 const DagInit& Edge = **B;
1275 if (IsOptionalEdge(Edge)) {
1276 const DagInit& Weight = InitPtrToDag(Edge.getArg(2));
1277 WalkCase(&Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
1281 // Check that all options in OptDescs belong to the set of
1282 // non-superfluous options.
1283 for (OptionDescriptions::const_iterator B = OptDescs.begin(),
1284 E = OptDescs.end(); B != E; ++B) {
1285 const OptionDescription& Val = B->second;
1286 if (!nonSuperfluousOptions.count(Val.Name)
1287 && Val.Type != OptionType::Alias)
1288 llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
1289 "Probable cause: this option is specified only in the OptionList.\n";
1293 /// EmitCaseTest0Args - Helper function used by EmitCaseConstructHandler().
1294 bool EmitCaseTest0Args(const std::string& TestName, raw_ostream& O) {
1295 if (TestName == "single_input_file") {
1296 O << "InputFilenames.size() == 1";
1299 else if (TestName == "multiple_input_files") {
1300 O << "InputFilenames.size() > 1";
1307 /// EmitListTest - Helper function used by EmitCaseTest1ArgList().
1308 template <typename F>
1309 void EmitListTest(const ListInit& L, const char* LogicOp,
1310 F Callback, raw_ostream& O)
1312 // This is a lot like EmitLogicalOperationTest, but works on ListInits instead
1314 bool isFirst = true;
1315 for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B) {
1319 O << ' ' << LogicOp << ' ';
1320 Callback(InitPtrToString(*B), O);
1324 // Callbacks for use with EmitListTest.
1326 class EmitSwitchOn {
1327 const OptionDescriptions& OptDescs_;
1329 EmitSwitchOn(const OptionDescriptions& OptDescs) : OptDescs_(OptDescs)
1332 void operator()(const std::string& OptName, raw_ostream& O) const {
1333 const OptionDescription& OptDesc = OptDescs_.FindSwitch(OptName);
1334 O << OptDesc.GenVariableName();
1338 class EmitEmptyTest {
1340 const OptionDescriptions& OptDescs_;
1342 EmitEmptyTest(bool EmitNegate, const OptionDescriptions& OptDescs)
1343 : EmitNegate_(EmitNegate), OptDescs_(OptDescs)
1346 void operator()(const std::string& OptName, raw_ostream& O) const {
1347 const char* Neg = (EmitNegate_ ? "!" : "");
1348 if (OptName == "o") {
1349 O << Neg << "OutputFilename.empty()";
1351 else if (OptName == "save-temps") {
1352 O << Neg << "(SaveTemps == SaveTempsEnum::Unset)";
1355 const OptionDescription& OptDesc = OptDescs_.FindListOrParameter(OptName);
1356 O << Neg << OptDesc.GenVariableName() << ".empty()";
1362 /// EmitCaseTest1ArgList - Helper function used by EmitCaseTest1Arg();
1363 bool EmitCaseTest1ArgList(const std::string& TestName,
1365 const OptionDescriptions& OptDescs,
1367 const ListInit& L = InitPtrToList(d.getArg(0));
1369 if (TestName == "any_switch_on") {
1370 EmitListTest(L, "||", EmitSwitchOn(OptDescs), O);
1373 else if (TestName == "switch_on") {
1374 EmitListTest(L, "&&", EmitSwitchOn(OptDescs), O);
1377 else if (TestName == "any_not_empty") {
1378 EmitListTest(L, "||", EmitEmptyTest(true, OptDescs), O);
1381 else if (TestName == "any_empty") {
1382 EmitListTest(L, "||", EmitEmptyTest(false, OptDescs), O);
1385 else if (TestName == "not_empty") {
1386 EmitListTest(L, "&&", EmitEmptyTest(true, OptDescs), O);
1389 else if (TestName == "empty") {
1390 EmitListTest(L, "&&", EmitEmptyTest(false, OptDescs), O);
1397 /// EmitCaseTest1ArgStr - Helper function used by EmitCaseTest1Arg();
1398 bool EmitCaseTest1ArgStr(const std::string& TestName,
1400 const OptionDescriptions& OptDescs,
1402 const std::string& OptName = InitPtrToString(d.getArg(0));
1404 if (TestName == "switch_on") {
1405 apply(EmitSwitchOn(OptDescs), OptName, O);
1408 else if (TestName == "input_languages_contain") {
1409 O << "InLangs.count(\"" << OptName << "\") != 0";
1412 else if (TestName == "in_language") {
1413 // This works only for single-argument Tool::GenerateAction. Join
1414 // tools can process several files in different languages simultaneously.
1416 // TODO: make this work with Edge::Weight (if possible).
1417 O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
1420 else if (TestName == "not_empty" || TestName == "empty") {
1421 bool EmitNegate = (TestName == "not_empty");
1422 apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
1429 /// EmitCaseTest1Arg - Helper function used by EmitCaseConstructHandler();
1430 bool EmitCaseTest1Arg(const std::string& TestName,
1432 const OptionDescriptions& OptDescs,
1434 CheckNumberOfArguments(d, 1);
1435 if (typeid(*d.getArg(0)) == typeid(ListInit))
1436 return EmitCaseTest1ArgList(TestName, d, OptDescs, O);
1438 return EmitCaseTest1ArgStr(TestName, d, OptDescs, O);
1441 /// EmitCaseTest2Args - Helper function used by EmitCaseConstructHandler().
1442 bool EmitCaseTest2Args(const std::string& TestName,
1444 unsigned IndentLevel,
1445 const OptionDescriptions& OptDescs,
1447 CheckNumberOfArguments(d, 2);
1448 const std::string& OptName = InitPtrToString(d.getArg(0));
1449 const std::string& OptArg = InitPtrToString(d.getArg(1));
1451 if (TestName == "parameter_equals") {
1452 const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
1453 O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
1456 else if (TestName == "element_in_list") {
1457 const OptionDescription& OptDesc = OptDescs.FindParameterList(OptName);
1458 const std::string& VarName = OptDesc.GenVariableName();
1459 O << "std::find(" << VarName << ".begin(),\n";
1460 O.indent(IndentLevel + Indent1)
1461 << VarName << ".end(), \""
1462 << OptArg << "\") != " << VarName << ".end()";
1469 // Forward declaration.
1470 // EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
1471 void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1472 const OptionDescriptions& OptDescs,
1475 /// EmitLogicalOperationTest - Helper function used by
1476 /// EmitCaseConstructHandler.
1477 void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
1478 unsigned IndentLevel,
1479 const OptionDescriptions& OptDescs,
1482 for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
1483 const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
1484 EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1485 if (j != NumArgs - 1) {
1487 O.indent(IndentLevel + Indent1) << ' ' << LogicOp << " (";
1495 void EmitLogicalNot(const DagInit& d, unsigned IndentLevel,
1496 const OptionDescriptions& OptDescs, raw_ostream& O)
1498 CheckNumberOfArguments(d, 1);
1499 const DagInit& InnerTest = InitPtrToDag(d.getArg(0));
1501 EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1505 /// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
1506 void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1507 const OptionDescriptions& OptDescs,
1509 const std::string& TestName = GetOperatorName(d);
1511 if (TestName == "and")
1512 EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
1513 else if (TestName == "or")
1514 EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
1515 else if (TestName == "not")
1516 EmitLogicalNot(d, IndentLevel, OptDescs, O);
1517 else if (EmitCaseTest0Args(TestName, O))
1519 else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
1521 else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
1524 throw "Unknown test '" + TestName + "' used in the 'case' construct!";
1528 /// EmitCaseTestCallback - Callback used by EmitCaseConstructHandler.
1529 class EmitCaseTestCallback {
1531 const OptionDescriptions& OptDescs_;
1535 EmitCaseTestCallback(bool EmitElseIf,
1536 const OptionDescriptions& OptDescs, raw_ostream& O)
1537 : EmitElseIf_(EmitElseIf), OptDescs_(OptDescs), O_(O)
1540 void operator()(const DagInit& Test, unsigned IndentLevel, bool FirstTest)
1542 if (GetOperatorName(Test) == "default") {
1543 O_.indent(IndentLevel) << "else {\n";
1546 O_.indent(IndentLevel)
1547 << ((!FirstTest && EmitElseIf_) ? "else if (" : "if (");
1548 EmitCaseTest(Test, IndentLevel, OptDescs_, O_);
1554 /// EmitCaseStatementCallback - Callback used by EmitCaseConstructHandler.
1555 template <typename F>
1556 class EmitCaseStatementCallback {
1561 EmitCaseStatementCallback(F Callback, raw_ostream& O)
1562 : Callback_(Callback), O_(O)
1565 void operator() (const Init* Statement, unsigned IndentLevel) {
1567 // Ignore nested 'case' DAG.
1568 if (!(dynamic_cast<const DagInit*>(Statement) &&
1569 GetOperatorName(static_cast<const DagInit&>(*Statement)) == "case")) {
1570 if (typeid(*Statement) == typeid(ListInit)) {
1571 const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1572 for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1574 Callback_(*B, (IndentLevel + Indent1), O_);
1577 Callback_(Statement, (IndentLevel + Indent1), O_);
1580 O_.indent(IndentLevel) << "}\n";
1585 /// EmitCaseConstructHandler - Emit code that handles the 'case'
1586 /// construct. Takes a function object that should emit code for every case
1587 /// clause. Implemented on top of WalkCase.
1588 /// Callback's type is void F(const Init* Statement, unsigned IndentLevel,
1589 /// raw_ostream& O).
1590 /// EmitElseIf parameter controls the type of condition that is emitted ('if
1591 /// (..) {..} else if (..) {} .. else {..}' vs. 'if (..) {..} if(..) {..}
1593 template <typename F>
1594 void EmitCaseConstructHandler(const Init* Case, unsigned IndentLevel,
1595 F Callback, bool EmitElseIf,
1596 const OptionDescriptions& OptDescs,
1598 WalkCase(Case, EmitCaseTestCallback(EmitElseIf, OptDescs, O),
1599 EmitCaseStatementCallback<F>(Callback, O), IndentLevel);
1602 /// TokenizeCmdLine - converts from
1603 /// "$CALL(HookName, 'Arg1', 'Arg2')/path -arg1 -arg2" to
1604 /// ["$CALL(", "HookName", "Arg1", "Arg2", ")/path", "-arg1", "-arg2"].
1605 void TokenizeCmdLine(const std::string& CmdLine, StrVector& Out) {
1606 const char* Delimiters = " \t\n\v\f\r";
1608 { Normal, SpecialCommand, InsideSpecialCommand, InsideQuotationMarks }
1611 if (CmdLine.empty())
1615 std::string::size_type B = CmdLine.find_first_not_of(Delimiters),
1618 for (; B != E; ++B) {
1619 char cur_ch = CmdLine[B];
1623 if (cur_ch == '$') {
1624 cur_st = SpecialCommand;
1627 if (OneOf(Delimiters, cur_ch)) {
1629 B = CmdLine.find_first_not_of(Delimiters, B);
1630 if (B == std::string::npos) {
1641 case SpecialCommand:
1642 if (OneOf(Delimiters, cur_ch)) {
1647 if (cur_ch == '(') {
1649 cur_st = InsideSpecialCommand;
1654 case InsideSpecialCommand:
1655 if (OneOf(Delimiters, cur_ch)) {
1658 if (cur_ch == '\'') {
1659 cur_st = InsideQuotationMarks;
1663 if (cur_ch == ')') {
1667 if (cur_ch == ',') {
1673 case InsideQuotationMarks:
1674 if (cur_ch == '\'') {
1675 cur_st = InsideSpecialCommand;
1681 Out.back().push_back(cur_ch);
1685 /// SubstituteCall - Given "$CALL(HookName, [Arg1 [, Arg2 [...]]])", output
1686 /// "hooks::HookName([Arg1 [, Arg2 [, ...]]])". Helper function used by
1687 /// SubstituteSpecialCommands().
1688 StrVector::const_iterator
1689 SubstituteCall (StrVector::const_iterator Pos,
1690 StrVector::const_iterator End,
1691 bool IsJoin, raw_ostream& O)
1693 const char* errorMessage = "Syntax error in $CALL invocation!";
1694 CheckedIncrement(Pos, End, errorMessage);
1695 const std::string& CmdName = *Pos;
1698 throw "$CALL invocation: empty argument list!";
1701 O << CmdName << "(";
1704 bool firstIteration = true;
1706 CheckedIncrement(Pos, End, errorMessage);
1707 const std::string& Arg = *Pos;
1708 assert(Arg.size() != 0);
1714 firstIteration = false;
1718 if (Arg == "$INFILE") {
1720 throw "$CALL(Hook, $INFILE) can't be used with a Join tool!";
1722 O << "inFile.c_str()";
1725 O << '"' << Arg << '"';
1734 /// SubstituteEnv - Given '$ENV(VAR_NAME)', output 'getenv("VAR_NAME")'. Helper
1735 /// function used by SubstituteSpecialCommands().
1736 StrVector::const_iterator
1737 SubstituteEnv (StrVector::const_iterator Pos,
1738 StrVector::const_iterator End, raw_ostream& O)
1740 const char* errorMessage = "Syntax error in $ENV invocation!";
1741 CheckedIncrement(Pos, End, errorMessage);
1742 const std::string& EnvName = *Pos;
1745 throw "$ENV invocation: empty argument list!";
1747 O << "checkCString(std::getenv(\"";
1751 CheckedIncrement(Pos, End, errorMessage);
1756 /// SubstituteSpecialCommands - Given an invocation of $CALL or $ENV, output
1757 /// handler code. Helper function used by EmitCmdLineVecFill().
1758 StrVector::const_iterator
1759 SubstituteSpecialCommands (StrVector::const_iterator Pos,
1760 StrVector::const_iterator End,
1761 bool IsJoin, raw_ostream& O)
1764 const std::string& cmd = *Pos;
1766 // Perform substitution.
1767 if (cmd == "$CALL") {
1768 Pos = SubstituteCall(Pos, End, IsJoin, O);
1770 else if (cmd == "$ENV") {
1771 Pos = SubstituteEnv(Pos, End, O);
1774 throw "Unknown special command: " + cmd;
1777 // Handle '$CMD(ARG)/additional/text'.
1778 const std::string& Leftover = *Pos;
1779 assert(Leftover.at(0) == ')');
1780 if (Leftover.size() != 1)
1781 O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
1786 /// EmitCmdLineVecFill - Emit code that fills in the command line
1787 /// vector. Helper function used by EmitGenerateActionMethod().
1788 void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
1789 bool IsJoin, unsigned IndentLevel,
1792 TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
1795 throw "Tool '" + ToolName + "' has empty command line!";
1797 StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
1799 // Emit the command itself.
1800 assert(!StrVec[0].empty());
1801 O.indent(IndentLevel) << "cmd = ";
1802 if (StrVec[0][0] == '$') {
1803 B = SubstituteSpecialCommands(B, E, IsJoin, O);
1807 O << '"' << StrVec[0] << '"';
1812 // Go through the command arguments.
1814 for (; B != E; ++B) {
1815 const std::string& cmd = *B;
1817 assert(!cmd.empty());
1818 O.indent(IndentLevel);
1820 if (cmd.at(0) == '$') {
1821 O << "vec.push_back(std::make_pair(0, ";
1822 B = SubstituteSpecialCommands(B, E, IsJoin, O);
1826 O << "vec.push_back(std::make_pair(0, \"" << cmd << "\"));\n";
1832 /// EmitForEachListElementCycleHeader - Emit common code for iterating through
1833 /// all elements of a list. Helper function used by
1834 /// EmitForwardOptionPropertyHandlingCode.
1835 void EmitForEachListElementCycleHeader (const OptionDescription& D,
1836 unsigned IndentLevel,
1838 unsigned IndentLevel1 = IndentLevel + Indent1;
1840 O.indent(IndentLevel)
1841 << "for (" << D.GenTypeDeclaration()
1842 << "::iterator B = " << D.GenVariableName() << ".begin(),\n";
1843 O.indent(IndentLevel)
1844 << "E = " << D.GenVariableName() << ".end(); B != E;) {\n";
1845 O.indent(IndentLevel1) << "unsigned pos = " << D.GenVariableName()
1846 << ".getPosition(B - " << D.GenVariableName()
1850 /// EmitForwardOptionPropertyHandlingCode - Helper function used to
1851 /// implement EmitActionHandler. Emits code for
1852 /// handling the (forward) and (forward_as) option properties.
1853 void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
1854 unsigned IndentLevel,
1855 const std::string& NewName,
1857 const std::string& Name = NewName.empty()
1860 unsigned IndentLevel1 = IndentLevel + Indent1;
1863 case OptionType::Switch:
1864 O.indent(IndentLevel)
1865 << "vec.push_back(std::make_pair(" << D.GenVariableName()
1866 << ".getPosition(), \"" << Name << "\"));\n";
1868 case OptionType::Parameter:
1869 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1870 << D.GenVariableName()
1871 <<".getPosition(), \"" << Name;
1873 if (!D.isForwardNotSplit()) {
1875 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1876 << D.GenVariableName() << ".getPosition(), "
1877 << D.GenVariableName() << "));\n";
1880 O << "=\" + " << D.GenVariableName() << "));\n";
1883 case OptionType::Prefix:
1884 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1885 << D.GenVariableName() << ".getPosition(), \""
1887 << D.GenVariableName() << "));\n";
1889 case OptionType::PrefixList:
1890 EmitForEachListElementCycleHeader(D, IndentLevel, O);
1891 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1892 << Name << "\" + " << "*B));\n";
1893 O.indent(IndentLevel1) << "++B;\n";
1895 for (int i = 1, j = D.MultiVal; i < j; ++i) {
1896 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1897 O.indent(IndentLevel1) << "++B;\n";
1900 O.indent(IndentLevel) << "}\n";
1902 case OptionType::ParameterList:
1903 EmitForEachListElementCycleHeader(D, IndentLevel, O);
1904 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1905 << Name << "\"));\n";
1907 for (int i = 0, j = D.MultiVal; i < j; ++i) {
1908 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1909 O.indent(IndentLevel1) << "++B;\n";
1912 O.indent(IndentLevel) << "}\n";
1914 case OptionType::SwitchList:
1915 EmitForEachListElementCycleHeader(D, IndentLevel, O);
1916 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1917 << Name << "\"));\n";
1918 O.indent(IndentLevel1) << "++B;\n";
1919 O.indent(IndentLevel) << "}\n";
1921 case OptionType::Alias:
1923 throw "Aliases are not allowed in tool option descriptions!";
1927 /// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
1928 /// EmitPreprocessOptionsCallback.
1929 struct ActionHandlingCallbackBase
1932 void onErrorDag(const DagInit& d,
1933 unsigned IndentLevel, raw_ostream& O) const
1935 O.indent(IndentLevel)
1937 << (d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0)) : "Unknown error!")
1939 O.indent(IndentLevel) << "return 1;\n";
1942 void onWarningDag(const DagInit& d,
1943 unsigned IndentLevel, raw_ostream& O) const
1945 CheckNumberOfArguments(d, 1);
1946 O.indent(IndentLevel) << "llvm::errs() << \""
1947 << InitPtrToString(d.getArg(0)) << "\";\n";
1952 /// EmitActionHandlersCallback - Emit code that handles actions. Used by
1953 /// EmitGenerateActionMethod() as an argument to EmitCaseConstructHandler().
1954 class EmitActionHandlersCallback;
1956 typedef void (EmitActionHandlersCallback::* EmitActionHandlersCallbackHandler)
1957 (const DagInit&, unsigned, raw_ostream&) const;
1959 class EmitActionHandlersCallback :
1960 public ActionHandlingCallbackBase,
1961 public HandlerTable<EmitActionHandlersCallbackHandler>
1963 typedef EmitActionHandlersCallbackHandler Handler;
1965 const OptionDescriptions& OptDescs;
1967 /// EmitHookInvocation - Common code for hook invocation from actions. Used by
1968 /// onAppendCmd and onOutputSuffix.
1969 void EmitHookInvocation(const std::string& Str,
1970 const char* BlockOpen, const char* BlockClose,
1971 unsigned IndentLevel, raw_ostream& O) const
1974 TokenizeCmdLine(Str, Out);
1976 for (StrVector::const_iterator B = Out.begin(), E = Out.end();
1978 const std::string& cmd = *B;
1980 O.indent(IndentLevel) << BlockOpen;
1982 if (cmd.at(0) == '$')
1983 B = SubstituteSpecialCommands(B, E, /* IsJoin = */ true, O);
1985 O << '"' << cmd << '"';
1991 void onAppendCmd (const DagInit& Dag,
1992 unsigned IndentLevel, raw_ostream& O) const
1994 CheckNumberOfArguments(Dag, 1);
1995 this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
1996 "vec.push_back(std::make_pair(65536, ", "));\n",
2000 void onForward (const DagInit& Dag,
2001 unsigned IndentLevel, raw_ostream& O) const
2003 CheckNumberOfArguments(Dag, 1);
2004 const std::string& Name = InitPtrToString(Dag.getArg(0));
2005 EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
2006 IndentLevel, "", O);
2009 void onForwardAs (const DagInit& Dag,
2010 unsigned IndentLevel, raw_ostream& O) const
2012 CheckNumberOfArguments(Dag, 2);
2013 const std::string& Name = InitPtrToString(Dag.getArg(0));
2014 const std::string& NewName = InitPtrToString(Dag.getArg(1));
2015 EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
2016 IndentLevel, NewName, O);
2019 void onForwardValue (const DagInit& Dag,
2020 unsigned IndentLevel, raw_ostream& O) const
2022 CheckNumberOfArguments(Dag, 1);
2023 const std::string& Name = InitPtrToString(Dag.getArg(0));
2024 const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
2026 if (D.isSwitchList()) {
2027 throw std::runtime_error
2028 ("forward_value is not allowed with switch_list");
2031 if (D.isParameter()) {
2032 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2033 << D.GenVariableName() << ".getPosition(), "
2034 << D.GenVariableName() << "));\n";
2037 O.indent(IndentLevel) << "for (" << D.GenTypeDeclaration()
2038 << "::iterator B = " << D.GenVariableName()
2040 O.indent(IndentLevel + Indent1) << " E = " << D.GenVariableName()
2041 << ".end(); B != E; ++B)\n";
2042 O.indent(IndentLevel) << "{\n";
2043 O.indent(IndentLevel + Indent1)
2044 << "unsigned pos = " << D.GenVariableName()
2045 << ".getPosition(B - " << D.GenVariableName()
2047 O.indent(IndentLevel + Indent1)
2048 << "vec.push_back(std::make_pair(pos, *B));\n";
2049 O.indent(IndentLevel) << "}\n";
2053 void onForwardTransformedValue (const DagInit& Dag,
2054 unsigned IndentLevel, raw_ostream& O) const
2056 CheckNumberOfArguments(Dag, 2);
2057 const std::string& Name = InitPtrToString(Dag.getArg(0));
2058 const std::string& Hook = InitPtrToString(Dag.getArg(1));
2059 const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
2061 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2062 << D.GenVariableName() << ".getPosition("
2063 << (D.isList() ? "0" : "") << "), "
2064 << "hooks::" << Hook << "(" << D.GenVariableName()
2065 << (D.isParameter() ? ".c_str()" : "") << ")));\n";
2068 void onNoOutFile (const DagInit& Dag,
2069 unsigned IndentLevel, raw_ostream& O) const
2071 CheckNumberOfArguments(Dag, 0);
2072 O.indent(IndentLevel) << "no_out_file = true;\n";
2075 void onOutputSuffix (const DagInit& Dag,
2076 unsigned IndentLevel, raw_ostream& O) const
2078 CheckNumberOfArguments(Dag, 1);
2079 this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
2080 "output_suffix = ", ";\n", IndentLevel, O);
2083 void onStopCompilation (const DagInit& Dag,
2084 unsigned IndentLevel, raw_ostream& O) const
2086 O.indent(IndentLevel) << "stop_compilation = true;\n";
2090 void onUnpackValues (const DagInit& Dag,
2091 unsigned IndentLevel, raw_ostream& O) const
2093 throw "'unpack_values' is deprecated. "
2094 "Use 'comma_separated' + 'forward_value' instead!";
2099 explicit EmitActionHandlersCallback(const OptionDescriptions& OD)
2102 if (!staticMembersInitialized_) {
2103 AddHandler("error", &EmitActionHandlersCallback::onErrorDag);
2104 AddHandler("warning", &EmitActionHandlersCallback::onWarningDag);
2105 AddHandler("append_cmd", &EmitActionHandlersCallback::onAppendCmd);
2106 AddHandler("forward", &EmitActionHandlersCallback::onForward);
2107 AddHandler("forward_as", &EmitActionHandlersCallback::onForwardAs);
2108 AddHandler("forward_value", &EmitActionHandlersCallback::onForwardValue);
2109 AddHandler("forward_transformed_value",
2110 &EmitActionHandlersCallback::onForwardTransformedValue);
2111 AddHandler("no_out_file",
2112 &EmitActionHandlersCallback::onNoOutFile);
2113 AddHandler("output_suffix", &EmitActionHandlersCallback::onOutputSuffix);
2114 AddHandler("stop_compilation",
2115 &EmitActionHandlersCallback::onStopCompilation);
2116 AddHandler("unpack_values",
2117 &EmitActionHandlersCallback::onUnpackValues);
2120 staticMembersInitialized_ = true;
2124 void operator()(const Init* I,
2125 unsigned IndentLevel, raw_ostream& O) const
2127 InvokeDagInitHandler(this, I, IndentLevel, O);
2131 void EmitGenerateActionMethodHeader(const ToolDescription& D,
2132 bool IsJoin, bool Naked,
2135 O.indent(Indent1) << "int GenerateAction(Action& Out,\n";
2138 O.indent(Indent2) << "const PathVector& inFiles,\n";
2140 O.indent(Indent2) << "const sys::Path& inFile,\n";
2142 O.indent(Indent2) << "const bool HasChildren,\n";
2143 O.indent(Indent2) << "const llvm::sys::Path& TempDir,\n";
2144 O.indent(Indent2) << "const InputLanguagesSet& InLangs,\n";
2145 O.indent(Indent2) << "const LanguageMap& LangMap) const\n";
2146 O.indent(Indent1) << "{\n";
2149 O.indent(Indent2) << "std::string cmd;\n";
2150 O.indent(Indent2) << "std::string out_file;\n";
2152 << "std::vector<std::pair<unsigned, std::string> > vec;\n";
2153 O.indent(Indent2) << "bool stop_compilation = !HasChildren;\n";
2154 O.indent(Indent2) << "bool no_out_file = false;\n";
2155 O.indent(Indent2) << "std::string output_suffix(\""
2156 << D.OutputSuffix << "\");\n";
2160 // EmitGenerateActionMethod - Emit either a normal or a "join" version of the
2161 // Tool::GenerateAction() method.
2162 void EmitGenerateActionMethod (const ToolDescription& D,
2163 const OptionDescriptions& OptDescs,
2164 bool IsJoin, raw_ostream& O) {
2166 EmitGenerateActionMethodHeader(D, IsJoin, /* Naked = */ false, O);
2169 throw "Tool " + D.Name + " has no cmd_line property!";
2171 // Process the 'command' property.
2173 EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
2176 // Process the 'actions' list of this tool.
2178 EmitCaseConstructHandler(D.Actions, Indent2,
2179 EmitActionHandlersCallback(OptDescs),
2180 false, OptDescs, O);
2184 if (!D.InFileOption.empty()) {
2186 << "vec.push_back(std::make_pair(InputFilenames.getPosition(0), \""
2187 << D.InFileOption << "\");\n";
2192 << "for (PathVector::const_iterator B = inFiles.begin(),\n";
2193 O.indent(Indent3) << "E = inFiles.end(); B != E; ++B)\n";
2194 O.indent(Indent2) << "{\n";
2195 O.indent(Indent3) << "vec.push_back(std::make_pair("
2196 << "InputFilenames.getPosition(B - inFiles.begin()), "
2198 O.indent(Indent2) << "}\n";
2201 O.indent(Indent2) << "vec.push_back(std::make_pair("
2202 << "InputFilenames.getPosition(0), inFile.str()));\n";
2206 O.indent(Indent2) << "if (!no_out_file) {\n";
2207 if (!D.OutFileOption.empty())
2208 O.indent(Indent3) << "vec.push_back(std::make_pair(65536, \""
2209 << D.OutFileOption << "\"));\n";
2211 O.indent(Indent3) << "out_file = this->OutFilename("
2212 << (IsJoin ? "sys::Path(),\n" : "inFile,\n");
2213 O.indent(Indent4) <<
2214 "TempDir, stop_compilation, output_suffix.c_str()).str();\n\n";
2215 O.indent(Indent3) << "vec.push_back(std::make_pair(65536, out_file));\n";
2217 O.indent(Indent2) << "}\n\n";
2219 // Handle the Sink property.
2220 std::string SinkOption("autogenerated::");
2221 SinkOption += SinkOptionName;
2223 O.indent(Indent2) << "if (!" << SinkOption << ".empty()) {\n";
2224 O.indent(Indent3) << "for (cl::list<std::string>::iterator B = "
2225 << SinkOption << ".begin(), E = " << SinkOption
2226 << ".end(); B != E; ++B)\n";
2227 O.indent(Indent4) << "vec.push_back(std::make_pair(" << SinkOption
2228 << ".getPosition(B - " << SinkOption
2229 << ".begin()), *B));\n";
2230 O.indent(Indent2) << "}\n";
2233 O.indent(Indent2) << "Out.Construct(cmd, this->SortArgs(vec), "
2234 << "stop_compilation, out_file);\n";
2235 O.indent(Indent2) << "return 0;\n";
2236 O.indent(Indent1) << "}\n\n";
2239 /// EmitGenerateActionMethods - Emit two GenerateAction() methods for
2240 /// a given Tool class.
2241 void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
2242 const OptionDescriptions& OptDescs,
2244 if (!ToolDesc.isJoin()) {
2245 EmitGenerateActionMethodHeader(ToolDesc, /* IsJoin = */ true,
2246 /* Naked = */ true, O);
2247 O.indent(Indent2) << "PrintError(\"" << ToolDesc.Name
2248 << " is not a Join tool!\");\n";
2249 O.indent(Indent2) << "return -1;\n";
2250 O.indent(Indent1) << "}\n\n";
2253 EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
2256 EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
2259 /// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
2260 /// methods for a given Tool class.
2261 void EmitInOutLanguageMethods (const ToolDescription& D, raw_ostream& O) {
2262 O.indent(Indent1) << "const char** InputLanguages() const {\n";
2263 O.indent(Indent2) << "return InputLanguages_;\n";
2264 O.indent(Indent1) << "}\n\n";
2266 if (D.OutLanguage.empty())
2267 throw "Tool " + D.Name + " has no 'out_language' property!";
2269 O.indent(Indent1) << "const char* OutputLanguage() const {\n";
2270 O.indent(Indent2) << "return \"" << D.OutLanguage << "\";\n";
2271 O.indent(Indent1) << "}\n\n";
2274 /// EmitNameMethod - Emit the Name() method for a given Tool class.
2275 void EmitNameMethod (const ToolDescription& D, raw_ostream& O) {
2276 O.indent(Indent1) << "const char* Name() const {\n";
2277 O.indent(Indent2) << "return \"" << D.Name << "\";\n";
2278 O.indent(Indent1) << "}\n\n";
2281 /// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
2283 void EmitIsJoinMethod (const ToolDescription& D, raw_ostream& O) {
2284 O.indent(Indent1) << "bool IsJoin() const {\n";
2286 O.indent(Indent2) << "return true;\n";
2288 O.indent(Indent2) << "return false;\n";
2289 O.indent(Indent1) << "}\n\n";
2292 /// EmitWorksOnEmptyCallback - Callback used by EmitWorksOnEmptyMethod in
2293 /// conjunction with EmitCaseConstructHandler.
2294 void EmitWorksOnEmptyCallback (const Init* Value,
2295 unsigned IndentLevel, raw_ostream& O) {
2296 CheckBooleanConstant(Value);
2297 O.indent(IndentLevel) << "return " << Value->getAsString() << ";\n";
2300 /// EmitWorksOnEmptyMethod - Emit the WorksOnEmpty() method for a given Tool
2302 void EmitWorksOnEmptyMethod (const ToolDescription& D,
2303 const OptionDescriptions& OptDescs,
2306 O.indent(Indent1) << "bool WorksOnEmpty() const {\n";
2308 O.indent(Indent2) << "return false;\n";
2310 EmitCaseConstructHandler(D.OnEmpty, Indent2, EmitWorksOnEmptyCallback,
2311 /*EmitElseIf = */ true, OptDescs, O);
2312 O.indent(Indent1) << "}\n\n";
2315 /// EmitStaticMemberDefinitions - Emit static member definitions for a
2316 /// given Tool class.
2317 void EmitStaticMemberDefinitions(const ToolDescription& D, raw_ostream& O) {
2318 if (D.InLanguage.empty())
2319 throw "Tool " + D.Name + " has no 'in_language' property!";
2321 O << "const char* " << D.Name << "::InputLanguages_[] = {";
2322 for (StrVector::const_iterator B = D.InLanguage.begin(),
2323 E = D.InLanguage.end(); B != E; ++B)
2324 O << '\"' << *B << "\", ";
2328 /// EmitToolClassDefinition - Emit a Tool class definition.
2329 void EmitToolClassDefinition (const ToolDescription& D,
2330 const OptionDescriptions& OptDescs,
2332 if (D.Name == "root")
2336 O << "class " << D.Name << " : public ";
2342 O << " {\nprivate:\n";
2343 O.indent(Indent1) << "static const char* InputLanguages_[];\n\n";
2346 EmitNameMethod(D, O);
2347 EmitInOutLanguageMethods(D, O);
2348 EmitIsJoinMethod(D, O);
2349 EmitWorksOnEmptyMethod(D, OptDescs, O);
2350 EmitGenerateActionMethods(D, OptDescs, O);
2352 // Close class definition
2355 EmitStaticMemberDefinitions(D, O);
2359 /// EmitOptionDefinitions - Iterate over a list of option descriptions
2360 /// and emit registration code.
2361 void EmitOptionDefinitions (const OptionDescriptions& descs,
2362 bool HasSink, raw_ostream& O)
2364 std::vector<OptionDescription> Aliases;
2366 // Emit static cl::Option variables.
2367 for (OptionDescriptions::const_iterator B = descs.begin(),
2368 E = descs.end(); B!=E; ++B) {
2369 const OptionDescription& val = B->second;
2371 if (val.Type == OptionType::Alias) {
2372 Aliases.push_back(val);
2376 O << val.GenTypeDeclaration() << ' '
2377 << val.GenPlainVariableName();
2379 O << "(\"" << val.Name << "\"\n";
2381 if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
2382 O << ", cl::Prefix";
2384 if (val.isRequired()) {
2385 if (val.isList() && !val.isMultiVal())
2386 O << ", cl::OneOrMore";
2388 O << ", cl::Required";
2391 if (val.isOptional())
2392 O << ", cl::Optional";
2394 if (val.isOneOrMore())
2395 O << ", cl::OneOrMore";
2397 if (val.isZeroOrMore())
2398 O << ", cl::ZeroOrMore";
2400 if (val.isReallyHidden())
2401 O << ", cl::ReallyHidden";
2402 else if (val.isHidden())
2403 O << ", cl::Hidden";
2405 if (val.isCommaSeparated())
2406 O << ", cl::CommaSeparated";
2408 if (val.MultiVal > 1)
2409 O << ", cl::multi_val(" << val.MultiVal << ')';
2412 const std::string& str = val.InitVal->getAsString();
2413 O << ", cl::init(" << str << ')';
2416 if (!val.Help.empty())
2417 O << ", cl::desc(\"" << val.Help << "\")";
2422 // Emit the aliases (they should go after all the 'proper' options).
2423 for (std::vector<OptionDescription>::const_iterator
2424 B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
2425 const OptionDescription& val = *B;
2427 O << val.GenTypeDeclaration() << ' '
2428 << val.GenPlainVariableName()
2429 << "(\"" << val.Name << '\"';
2431 const OptionDescription& D = descs.FindOption(val.Help);
2432 O << ", cl::aliasopt(" << D.GenVariableName() << ")";
2434 O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
2437 // Emit the sink option.
2439 O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
2444 /// EmitPreprocessOptionsCallback - Helper function passed to
2445 /// EmitCaseConstructHandler() by EmitPreprocessOptions().
2447 class EmitPreprocessOptionsCallback;
2450 (EmitPreprocessOptionsCallback::* EmitPreprocessOptionsCallbackHandler)
2451 (const DagInit&, unsigned, raw_ostream&) const;
2453 class EmitPreprocessOptionsCallback :
2454 public ActionHandlingCallbackBase,
2455 public HandlerTable<EmitPreprocessOptionsCallbackHandler>
2457 typedef EmitPreprocessOptionsCallbackHandler Handler;
2459 (EmitPreprocessOptionsCallback::* HandlerImpl)
2460 (const Init*, unsigned, raw_ostream&) const;
2462 const OptionDescriptions& OptDescs_;
2464 void onListOrDag(const DagInit& d, HandlerImpl h,
2465 unsigned IndentLevel, raw_ostream& O) const
2467 CheckNumberOfArguments(d, 1);
2468 const Init* I = d.getArg(0);
2470 // If I is a list, apply h to each element.
2471 if (typeid(*I) == typeid(ListInit)) {
2472 const ListInit& L = *static_cast<const ListInit*>(I);
2473 for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
2474 ((this)->*(h))(*B, IndentLevel, O);
2476 // Otherwise, apply h to I.
2478 ((this)->*(h))(I, IndentLevel, O);
2482 void onUnsetOptionImpl(const Init* I,
2483 unsigned IndentLevel, raw_ostream& O) const
2485 const std::string& OptName = InitPtrToString(I);
2486 const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2488 if (OptDesc.isSwitch()) {
2489 O.indent(IndentLevel) << OptDesc.GenVariableName() << " = false;\n";
2491 else if (OptDesc.isParameter()) {
2492 O.indent(IndentLevel) << OptDesc.GenVariableName() << " = \"\";\n";
2494 else if (OptDesc.isList()) {
2495 O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2498 throw "Can't apply 'unset_option' to alias option '" + OptName + "'!";
2502 void onUnsetOption(const DagInit& d,
2503 unsigned IndentLevel, raw_ostream& O) const
2505 this->onListOrDag(d, &EmitPreprocessOptionsCallback::onUnsetOptionImpl,
2509 void onSetOptionImpl(const DagInit& d,
2510 unsigned IndentLevel, raw_ostream& O) const {
2511 CheckNumberOfArguments(d, 2);
2512 const std::string& OptName = InitPtrToString(d.getArg(0));
2513 const Init* Value = d.getArg(1);
2514 const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2516 if (OptDesc.isList()) {
2517 const ListInit& List = InitPtrToList(Value);
2519 O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2520 for (ListInit::const_iterator B = List.begin(), E = List.end();
2522 const Init* CurElem = *B;
2523 if (OptDesc.isSwitchList())
2524 CheckBooleanConstant(CurElem);
2526 O.indent(IndentLevel)
2527 << OptDesc.GenVariableName() << ".push_back(\""
2528 << (OptDesc.isSwitchList() ? CurElem->getAsString()
2529 : InitPtrToString(CurElem))
2533 else if (OptDesc.isSwitch()) {
2534 CheckBooleanConstant(Value);
2535 O.indent(IndentLevel) << OptDesc.GenVariableName()
2536 << " = " << Value->getAsString() << ";\n";
2538 else if (OptDesc.isParameter()) {
2539 const std::string& Str = InitPtrToString(Value);
2540 O.indent(IndentLevel) << OptDesc.GenVariableName()
2541 << " = \"" << Str << "\";\n";
2544 throw "Can't apply 'set_option' to alias option -" + OptName + " !";
2548 void onSetSwitch(const Init* I,
2549 unsigned IndentLevel, raw_ostream& O) const {
2550 const std::string& OptName = InitPtrToString(I);
2551 const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2553 if (OptDesc.isSwitch())
2554 O.indent(IndentLevel) << OptDesc.GenVariableName() << " = true;\n";
2556 throw "set_option: -" + OptName + " is not a switch option!";
2559 void onSetOption(const DagInit& d,
2560 unsigned IndentLevel, raw_ostream& O) const
2562 CheckNumberOfArguments(d, 1);
2564 // Two arguments: (set_option "parameter", VALUE), where VALUE can be a
2565 // boolean, a string or a string list.
2566 if (d.getNumArgs() > 1)
2567 this->onSetOptionImpl(d, IndentLevel, O);
2568 // One argument: (set_option "switch")
2569 // or (set_option ["switch1", "switch2", ...])
2571 this->onListOrDag(d, &EmitPreprocessOptionsCallback::onSetSwitch,
2577 EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
2578 : OptDescs_(OptDescs)
2580 if (!staticMembersInitialized_) {
2581 AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
2582 AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
2583 AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
2584 AddHandler("set_option", &EmitPreprocessOptionsCallback::onSetOption);
2586 staticMembersInitialized_ = true;
2590 void operator()(const Init* I,
2591 unsigned IndentLevel, raw_ostream& O) const
2593 InvokeDagInitHandler(this, I, IndentLevel, O);
2598 /// EmitPreprocessOptions - Emit the PreprocessOptions() function.
2599 void EmitPreprocessOptions (const RecordKeeper& Records,
2600 const OptionDescriptions& OptDecs, raw_ostream& O)
2602 O << "int PreprocessOptions () {\n";
2604 const RecordVector& OptionPreprocessors =
2605 Records.getAllDerivedDefinitions("OptionPreprocessor");
2607 for (RecordVector::const_iterator B = OptionPreprocessors.begin(),
2608 E = OptionPreprocessors.end(); B!=E; ++B) {
2609 DagInit* Case = (*B)->getValueAsDag("preprocessor");
2610 EmitCaseConstructHandler(Case, Indent1,
2611 EmitPreprocessOptionsCallback(OptDecs),
2616 O.indent(Indent1) << "return 0;\n";
2620 class DoEmitPopulateLanguageMap;
2621 typedef void (DoEmitPopulateLanguageMap::* DoEmitPopulateLanguageMapHandler)
2624 class DoEmitPopulateLanguageMap
2625 : public HandlerTable<DoEmitPopulateLanguageMapHandler>
2632 explicit DoEmitPopulateLanguageMap (raw_ostream& O) : O_(O) {
2633 if (!staticMembersInitialized_) {
2634 AddHandler("lang_to_suffixes",
2635 &DoEmitPopulateLanguageMap::onLangToSuffixes);
2637 staticMembersInitialized_ = true;
2641 void operator() (Init* I) {
2642 InvokeDagInitHandler(this, I);
2647 void onLangToSuffixes (const DagInit& d) {
2648 CheckNumberOfArguments(d, 2);
2650 const std::string& Lang = InitPtrToString(d.getArg(0));
2651 Init* Suffixes = d.getArg(1);
2653 // Second argument to lang_to_suffixes is either a single string...
2654 if (typeid(*Suffixes) == typeid(StringInit)) {
2655 O_.indent(Indent1) << "langMap[\"" << InitPtrToString(Suffixes)
2656 << "\"] = \"" << Lang << "\";\n";
2658 // ...or a list of strings.
2660 const ListInit& Lst = InitPtrToList(Suffixes);
2661 assert(Lst.size() != 0);
2662 for (ListInit::const_iterator B = Lst.begin(), E = Lst.end();
2664 O_.indent(Indent1) << "langMap[\"" << InitPtrToString(*B)
2665 << "\"] = \"" << Lang << "\";\n";
2672 /// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
2673 void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
2675 O << "int PopulateLanguageMap (LanguageMap& langMap) {\n";
2677 // For each LangMap:
2678 const RecordVector& LangMaps =
2679 Records.getAllDerivedDefinitions("LanguageMap");
2681 for (RecordVector::const_iterator B = LangMaps.begin(),
2682 E = LangMaps.end(); B!=E; ++B) {
2683 ListInit* LangMap = (*B)->getValueAsListInit("map");
2684 std::for_each(LangMap->begin(), LangMap->end(),
2685 DoEmitPopulateLanguageMap(O));
2689 O.indent(Indent1) << "return 0;\n";
2693 /// EmitEdgePropertyHandlerCallback - Emits code that handles edge
2694 /// properties. Helper function passed to EmitCaseConstructHandler() by
2695 /// EmitEdgeClass().
2696 void EmitEdgePropertyHandlerCallback (const Init* i, unsigned IndentLevel,
2698 const DagInit& d = InitPtrToDag(i);
2699 const std::string& OpName = GetOperatorName(d);
2701 if (OpName == "inc_weight") {
2702 O.indent(IndentLevel) << "ret += ";
2704 else if (OpName == "error") {
2705 CheckNumberOfArguments(d, 1);
2706 O.indent(IndentLevel) << "PrintError(\""
2707 << InitPtrToString(d.getArg(0))
2709 O.indent(IndentLevel) << "return -1;\n";
2713 throw "Unknown operator in edge properties list: '" + OpName + "'!"
2714 "\nOnly 'inc_weight', 'dec_weight' and 'error' are allowed.";
2717 if (d.getNumArgs() > 0)
2718 O << InitPtrToInt(d.getArg(0)) << ";\n";
2724 /// EmitEdgeClass - Emit a single Edge# class.
2725 void EmitEdgeClass (unsigned N, const std::string& Target,
2726 const DagInit& Case, const OptionDescriptions& OptDescs,
2729 // Class constructor.
2730 O << "class Edge" << N << ": public Edge {\n"
2732 O.indent(Indent1) << "Edge" << N << "() : Edge(\"" << Target
2735 // Function Weight().
2737 << "int Weight(const InputLanguagesSet& InLangs) const {\n";
2738 O.indent(Indent2) << "unsigned ret = 0;\n";
2740 // Handle the 'case' construct.
2741 EmitCaseConstructHandler(&Case, Indent2, EmitEdgePropertyHandlerCallback,
2742 false, OptDescs, O);
2744 O.indent(Indent2) << "return ret;\n";
2745 O.indent(Indent1) << "}\n\n};\n\n";
2748 /// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
2749 void EmitEdgeClasses (const DagVector& EdgeVector,
2750 const OptionDescriptions& OptDescs,
2753 for (DagVector::const_iterator B = EdgeVector.begin(),
2754 E = EdgeVector.end(); B != E; ++B) {
2755 const DagInit& Edge = **B;
2756 const std::string& Name = GetOperatorName(Edge);
2758 if (Name == "optional_edge") {
2759 assert(IsOptionalEdge(Edge));
2760 const std::string& NodeB = InitPtrToString(Edge.getArg(1));
2762 const DagInit& Weight = InitPtrToDag(Edge.getArg(2));
2763 EmitEdgeClass(i, NodeB, Weight, OptDescs, O);
2765 else if (Name != "edge") {
2766 throw "Unknown edge class: '" + Name + "'!";
2773 /// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph() function.
2774 void EmitPopulateCompilationGraph (const DagVector& EdgeVector,
2775 const ToolDescriptions& ToolDescs,
2778 O << "int PopulateCompilationGraph (CompilationGraph& G) {\n";
2780 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2781 E = ToolDescs.end(); B != E; ++B)
2782 O.indent(Indent1) << "G.insertNode(new " << (*B)->Name << "());\n";
2789 for (DagVector::const_iterator B = EdgeVector.begin(),
2790 E = EdgeVector.end(); B != E; ++B) {
2791 const DagInit& Edge = **B;
2792 const std::string& NodeA = InitPtrToString(Edge.getArg(0));
2793 const std::string& NodeB = InitPtrToString(Edge.getArg(1));
2795 O.indent(Indent1) << "if (int ret = G.insertEdge(\"" << NodeA << "\", ";
2797 if (IsOptionalEdge(Edge))
2798 O << "new Edge" << i << "()";
2800 O << "new SimpleEdge(\"" << NodeB << "\")";
2803 O.indent(Indent2) << "return ret;\n";
2809 O.indent(Indent1) << "return 0;\n";
2813 /// HookInfo - Information about the hook type and number of arguments.
2816 // A hook can either have a single parameter of type std::vector<std::string>,
2817 // or NumArgs parameters of type const char*.
2818 enum HookType { ListHook, ArgHook };
2823 HookInfo() : Type(ArgHook), NumArgs(1)
2826 HookInfo(HookType T) : Type(T), NumArgs(1)
2829 HookInfo(unsigned N) : Type(ArgHook), NumArgs(N)
2833 typedef llvm::StringMap<HookInfo> HookInfoMap;
2835 /// ExtractHookNames - Extract the hook names from all instances of
2836 /// $CALL(HookName) in the provided command line string/action. Helper
2837 /// function used by FillInHookNames().
2838 class ExtractHookNames {
2839 HookInfoMap& HookNames_;
2840 const OptionDescriptions& OptDescs_;
2842 ExtractHookNames(HookInfoMap& HookNames, const OptionDescriptions& OptDescs)
2843 : HookNames_(HookNames), OptDescs_(OptDescs)
2846 void onAction (const DagInit& Dag) {
2847 const std::string& Name = GetOperatorName(Dag);
2849 if (Name == "forward_transformed_value") {
2850 CheckNumberOfArguments(Dag, 2);
2851 const std::string& OptName = InitPtrToString(Dag.getArg(0));
2852 const std::string& HookName = InitPtrToString(Dag.getArg(1));
2853 const OptionDescription& D =
2854 OptDescs_.FindParameterListOrParameter(OptName);
2856 HookNames_[HookName] = HookInfo(D.isList() ? HookInfo::ListHook
2857 : HookInfo::ArgHook);
2859 else if (Name == "append_cmd" || Name == "output_suffix") {
2860 CheckNumberOfArguments(Dag, 1);
2861 this->onCmdLine(InitPtrToString(Dag.getArg(0)));
2865 void onCmdLine(const std::string& Cmd) {
2867 TokenizeCmdLine(Cmd, cmds);
2869 for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
2871 const std::string& cmd = *B;
2873 if (cmd == "$CALL") {
2874 unsigned NumArgs = 0;
2875 CheckedIncrement(B, E, "Syntax error in $CALL invocation!");
2876 const std::string& HookName = *B;
2878 if (HookName.at(0) == ')')
2879 throw "$CALL invoked with no arguments!";
2881 while (++B != E && B->at(0) != ')') {
2885 HookInfoMap::const_iterator H = HookNames_.find(HookName);
2887 if (H != HookNames_.end() && H->second.NumArgs != NumArgs &&
2888 H->second.Type != HookInfo::ArgHook)
2889 throw "Overloading of hooks is not allowed. Overloaded hook: "
2892 HookNames_[HookName] = HookInfo(NumArgs);
2897 void operator()(const Init* Arg) {
2899 // We're invoked on an action (either a dag or a dag list).
2900 if (typeid(*Arg) == typeid(DagInit)) {
2901 const DagInit& Dag = InitPtrToDag(Arg);
2902 this->onAction(Dag);
2905 else if (typeid(*Arg) == typeid(ListInit)) {
2906 const ListInit& List = InitPtrToList(Arg);
2907 for (ListInit::const_iterator B = List.begin(), E = List.end(); B != E;
2909 const DagInit& Dag = InitPtrToDag(*B);
2910 this->onAction(Dag);
2915 // We're invoked on a command line.
2916 this->onCmdLine(InitPtrToString(Arg));
2919 void operator()(const DagInit* Test, unsigned, bool) {
2920 this->operator()(Test);
2922 void operator()(const Init* Statement, unsigned) {
2923 this->operator()(Statement);
2927 /// FillInHookNames - Actually extract the hook names from all command
2928 /// line strings. Helper function used by EmitHookDeclarations().
2929 void FillInHookNames(const ToolDescriptions& ToolDescs,
2930 const OptionDescriptions& OptDescs,
2931 HookInfoMap& HookNames)
2933 // For all tool descriptions:
2934 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2935 E = ToolDescs.end(); B != E; ++B) {
2936 const ToolDescription& D = *(*B);
2938 // Look for 'forward_transformed_value' in 'actions'.
2940 WalkCase(D.Actions, Id(), ExtractHookNames(HookNames, OptDescs));
2942 // Look for hook invocations in 'cmd_line'.
2945 if (dynamic_cast<StringInit*>(D.CmdLine))
2946 // This is a string.
2947 ExtractHookNames(HookNames, OptDescs).operator()(D.CmdLine);
2949 // This is a 'case' construct.
2950 WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames, OptDescs));
2954 /// EmitHookDeclarations - Parse CmdLine fields of all the tool
2955 /// property records and emit hook function declaration for each
2956 /// instance of $CALL(HookName).
2957 void EmitHookDeclarations(const ToolDescriptions& ToolDescs,
2958 const OptionDescriptions& OptDescs, raw_ostream& O) {
2959 HookInfoMap HookNames;
2961 FillInHookNames(ToolDescs, OptDescs, HookNames);
2962 if (HookNames.empty())
2965 for (HookInfoMap::const_iterator B = HookNames.begin(),
2966 E = HookNames.end(); B != E; ++B) {
2967 const char* HookName = B->first();
2968 const HookInfo& Info = B->second;
2970 O.indent(Indent1) << "std::string " << HookName << "(";
2972 if (Info.Type == HookInfo::ArgHook) {
2973 for (unsigned i = 0, j = Info.NumArgs; i < j; ++i) {
2974 O << "const char* Arg" << i << (i+1 == j ? "" : ", ");
2978 O << "const std::vector<std::string>& Arg";
2985 /// EmitIncludes - Emit necessary #include directives and some
2986 /// additional declarations.
2987 void EmitIncludes(raw_ostream& O) {
2988 O << "#include \"llvm/CompilerDriver/BuiltinOptions.h\"\n"
2989 << "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
2990 << "#include \"llvm/CompilerDriver/Error.h\"\n"
2991 << "#include \"llvm/CompilerDriver/Tool.h\"\n\n"
2993 << "#include \"llvm/Support/CommandLine.h\"\n"
2994 << "#include \"llvm/Support/raw_ostream.h\"\n\n"
2996 << "#include <algorithm>\n"
2997 << "#include <cstdlib>\n"
2998 << "#include <iterator>\n"
2999 << "#include <stdexcept>\n\n"
3001 << "using namespace llvm;\n"
3002 << "using namespace llvmc;\n\n"
3004 << "inline const char* checkCString(const char* s)\n"
3005 << "{ return s == NULL ? \"\" : s; }\n\n";
3009 /// DriverData - Holds all information about the driver.
3011 OptionDescriptions OptDescs;
3012 ToolDescriptions ToolDescs;
3017 /// HasSink - Go through the list of tool descriptions and check if
3018 /// there are any with the 'sink' property set.
3019 bool HasSink(const ToolDescriptions& ToolDescs) {
3020 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
3021 E = ToolDescs.end(); B != E; ++B)
3028 /// CollectDriverData - Collect compilation graph edges, tool properties and
3029 /// option properties from the parse tree.
3030 void CollectDriverData (const RecordKeeper& Records, DriverData& Data) {
3031 // Collect option properties.
3032 const RecordVector& OptionLists =
3033 Records.getAllDerivedDefinitions("OptionList");
3034 CollectOptionDescriptions(OptionLists, Data.OptDescs);
3036 // Collect tool properties.
3037 const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
3038 CollectToolDescriptions(Tools, Data.ToolDescs);
3039 Data.HasSink = HasSink(Data.ToolDescs);
3041 // Collect compilation graph edges.
3042 const RecordVector& CompilationGraphs =
3043 Records.getAllDerivedDefinitions("CompilationGraph");
3044 FillInEdgeVector(CompilationGraphs, Data.Edges);
3047 /// CheckDriverData - Perform some sanity checks on the collected data.
3048 void CheckDriverData(DriverData& Data) {
3049 // Filter out all tools not mentioned in the compilation graph.
3050 FilterNotInGraph(Data.Edges, Data.ToolDescs);
3052 // Typecheck the compilation graph.
3053 TypecheckGraph(Data.Edges, Data.ToolDescs);
3055 // Check that there are no options without side effects (specified
3056 // only in the OptionList).
3057 CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
3060 void EmitDriverCode(const DriverData& Data, raw_ostream& O) {
3061 // Emit file header.
3064 // Emit global option registration code.
3065 O << "namespace llvmc {\n"
3066 << "namespace autogenerated {\n\n";
3067 EmitOptionDefinitions(Data.OptDescs, Data.HasSink, O);
3068 O << "} // End namespace autogenerated.\n"
3069 << "} // End namespace llvmc.\n\n";
3071 // Emit hook declarations.
3072 O << "namespace hooks {\n";
3073 EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
3074 O << "} // End namespace hooks.\n\n";
3076 O << "namespace {\n\n";
3077 O << "using namespace llvmc::autogenerated;\n\n";
3079 // Emit Tool classes.
3080 for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
3081 E = Data.ToolDescs.end(); B!=E; ++B)
3082 EmitToolClassDefinition(*(*B), Data.OptDescs, O);
3084 // Emit Edge# classes.
3085 EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
3087 O << "} // End anonymous namespace.\n\n";
3089 O << "namespace llvmc {\n";
3090 O << "namespace autogenerated {\n\n";
3092 // Emit PreprocessOptions() function.
3093 EmitPreprocessOptions(Records, Data.OptDescs, O);
3095 // Emit PopulateLanguageMap() function
3096 // (language map maps from file extensions to language names).
3097 EmitPopulateLanguageMap(Records, O);
3099 // Emit PopulateCompilationGraph() function.
3100 EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
3102 O << "} // End namespace autogenerated.\n";
3103 O << "} // End namespace llvmc.\n\n";
3109 // End of anonymous namespace
3112 /// run - The back-end entry point.
3113 void LLVMCConfigurationEmitter::run (raw_ostream &O) {
3117 CollectDriverData(Records, Data);
3118 CheckDriverData(Data);
3120 this->EmitSourceFileHeader("llvmc-based driver: auto-generated code", O);
3121 EmitDriverCode(Data, O);
3123 } catch (std::exception& Error) {
3124 throw Error.what() + std::string(" - usually this means a syntax error.");