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& FindParameterList(const std::string& OptName) const;
472 const OptionDescription&
473 FindListOrParameter(const std::string& OptName) const;
474 const OptionDescription&
475 FindParameterListOrParameter(const std::string& OptName) const;
477 /// insertDescription - Insert new OptionDescription into
478 /// OptionDescriptions list
479 void InsertDescription (const OptionDescription& o);
481 // Support for STL-style iteration
482 typedef container_type::const_iterator const_iterator;
483 const_iterator begin() const { return Descriptions.begin(); }
484 const_iterator end() const { return Descriptions.end(); }
487 const OptionDescription&
488 OptionDescriptions::FindOption(const std::string& OptName) const {
489 const_iterator I = Descriptions.find(OptName);
490 if (I != Descriptions.end())
493 throw OptName + ": no such option!";
496 const OptionDescription&
497 OptionDescriptions::FindSwitch(const std::string& OptName) const {
498 const OptionDescription& OptDesc = this->FindOption(OptName);
499 if (!OptDesc.isSwitch())
500 throw OptName + ": incorrect option type - should be a switch!";
504 const OptionDescription&
505 OptionDescriptions::FindParameterList(const std::string& OptName) const {
506 const OptionDescription& OptDesc = this->FindOption(OptName);
507 if (!OptDesc.isList() || OptDesc.isSwitchList())
508 throw OptName + ": incorrect option type - should be a parameter list!";
512 const OptionDescription&
513 OptionDescriptions::FindParameter(const std::string& OptName) const {
514 const OptionDescription& OptDesc = this->FindOption(OptName);
515 if (!OptDesc.isParameter())
516 throw OptName + ": incorrect option type - should be a parameter!";
520 const OptionDescription&
521 OptionDescriptions::FindListOrParameter(const std::string& OptName) const {
522 const OptionDescription& OptDesc = this->FindOption(OptName);
523 if (!OptDesc.isList() && !OptDesc.isParameter())
525 + ": incorrect option type - should be a list or parameter!";
529 const OptionDescription&
530 OptionDescriptions::FindParameterListOrParameter
531 (const std::string& OptName) const {
532 const OptionDescription& OptDesc = this->FindOption(OptName);
533 if ((!OptDesc.isList() && !OptDesc.isParameter()) || OptDesc.isSwitchList())
535 + ": incorrect option type - should be a parameter list or parameter!";
539 void OptionDescriptions::InsertDescription (const OptionDescription& o) {
540 container_type::iterator I = Descriptions.find(o.Name);
541 if (I != Descriptions.end()) {
542 OptionDescription& D = I->second;
546 Descriptions[o.Name] = o;
550 /// HandlerTable - A base class for function objects implemented as
551 /// 'tables of handlers'.
552 template <typename Handler>
555 // Implementation details.
557 /// HandlerMap - A map from property names to property handlers
558 typedef StringMap<Handler> HandlerMap;
560 static HandlerMap Handlers_;
561 static bool staticMembersInitialized_;
565 Handler GetHandler (const std::string& HandlerName) const {
566 typename HandlerMap::iterator method = Handlers_.find(HandlerName);
568 if (method != Handlers_.end()) {
569 Handler h = method->second;
573 throw "No handler found for property " + HandlerName + "!";
577 void AddHandler(const char* Property, Handler H) {
578 Handlers_[Property] = H;
583 template <class Handler, class FunctionObject>
584 Handler GetHandler(FunctionObject* Obj, const DagInit& Dag) {
585 const std::string& HandlerName = GetOperatorName(Dag);
586 return Obj->GetHandler(HandlerName);
589 template <class FunctionObject>
590 void InvokeDagInitHandler(FunctionObject* Obj, Init* I) {
591 typedef void (FunctionObject::*Handler) (const DagInit&);
593 const DagInit& Dag = InitPtrToDag(I);
594 Handler h = GetHandler<Handler>(Obj, Dag);
599 template <class FunctionObject>
600 void InvokeDagInitHandler(const FunctionObject* const Obj,
601 const Init* I, unsigned IndentLevel, raw_ostream& O)
603 typedef void (FunctionObject::*Handler)
604 (const DagInit&, unsigned IndentLevel, raw_ostream& O) const;
606 const DagInit& Dag = InitPtrToDag(I);
607 Handler h = GetHandler<Handler>(Obj, Dag);
609 ((Obj)->*(h))(Dag, IndentLevel, O);
612 template <typename H>
613 typename HandlerTable<H>::HandlerMap HandlerTable<H>::Handlers_;
615 template <typename H>
616 bool HandlerTable<H>::staticMembersInitialized_ = false;
619 /// CollectOptionProperties - Function object for iterating over an
620 /// option property list.
621 class CollectOptionProperties;
622 typedef void (CollectOptionProperties::* CollectOptionPropertiesHandler)
625 class CollectOptionProperties
626 : public HandlerTable<CollectOptionPropertiesHandler>
630 /// optDescs_ - OptionDescriptions table. This is where the
631 /// information is stored.
632 OptionDescription& optDesc_;
636 explicit CollectOptionProperties(OptionDescription& OD)
639 if (!staticMembersInitialized_) {
640 AddHandler("help", &CollectOptionProperties::onHelp);
641 AddHandler("hidden", &CollectOptionProperties::onHidden);
642 AddHandler("init", &CollectOptionProperties::onInit);
643 AddHandler("multi_val", &CollectOptionProperties::onMultiVal);
644 AddHandler("one_or_more", &CollectOptionProperties::onOneOrMore);
645 AddHandler("zero_or_more", &CollectOptionProperties::onZeroOrMore);
646 AddHandler("really_hidden", &CollectOptionProperties::onReallyHidden);
647 AddHandler("required", &CollectOptionProperties::onRequired);
648 AddHandler("optional", &CollectOptionProperties::onOptional);
649 AddHandler("comma_separated", &CollectOptionProperties::onCommaSeparated);
650 AddHandler("forward_not_split",
651 &CollectOptionProperties::onForwardNotSplit);
653 staticMembersInitialized_ = true;
657 /// operator() - Just forwards to the corresponding property
659 void operator() (Init* I) {
660 InvokeDagInitHandler(this, I);
665 /// Option property handlers --
666 /// Methods that handle option properties such as (help) or (hidden).
668 void onHelp (const DagInit& d) {
669 CheckNumberOfArguments(d, 1);
670 optDesc_.Help = EscapeQuotes(InitPtrToString(d.getArg(0)));
673 void onHidden (const DagInit& d) {
674 CheckNumberOfArguments(d, 0);
675 optDesc_.setHidden();
678 void onReallyHidden (const DagInit& d) {
679 CheckNumberOfArguments(d, 0);
680 optDesc_.setReallyHidden();
683 void onCommaSeparated (const DagInit& d) {
684 CheckNumberOfArguments(d, 0);
685 if (!optDesc_.isParameterList())
686 throw "'comma_separated' is valid only on parameter list options!";
687 optDesc_.setCommaSeparated();
690 void onForwardNotSplit (const DagInit& d) {
691 CheckNumberOfArguments(d, 0);
692 if (!optDesc_.isParameter())
693 throw "'forward_not_split' is valid only for parameter options!";
694 optDesc_.setForwardNotSplit();
697 void onRequired (const DagInit& d) {
698 CheckNumberOfArguments(d, 0);
700 optDesc_.setRequired();
701 optDesc_.CheckConsistency();
704 void onInit (const DagInit& d) {
705 CheckNumberOfArguments(d, 1);
706 Init* i = d.getArg(0);
707 const std::string& str = i->getAsString();
709 bool correct = optDesc_.isParameter() && dynamic_cast<StringInit*>(i);
710 correct |= (optDesc_.isSwitch() && (str == "true" || str == "false"));
713 throw "Incorrect usage of the 'init' option property!";
715 optDesc_.InitVal = i;
718 void onOneOrMore (const DagInit& d) {
719 CheckNumberOfArguments(d, 0);
721 optDesc_.setOneOrMore();
722 optDesc_.CheckConsistency();
725 void onZeroOrMore (const DagInit& d) {
726 CheckNumberOfArguments(d, 0);
728 if (optDesc_.isList())
729 llvm::errs() << "Warning: specifying the 'zero_or_more' property "
730 "on a list option has no effect.\n";
732 optDesc_.setZeroOrMore();
733 optDesc_.CheckConsistency();
736 void onOptional (const DagInit& d) {
737 CheckNumberOfArguments(d, 0);
739 if (!optDesc_.isList())
740 llvm::errs() << "Warning: specifying the 'optional' property"
741 "on a non-list option has no effect.\n";
743 optDesc_.setOptional();
744 optDesc_.CheckConsistency();
747 void onMultiVal (const DagInit& d) {
748 CheckNumberOfArguments(d, 1);
749 int val = InitPtrToInt(d.getArg(0));
751 throw "Error in the 'multi_val' property: "
752 "the value must be greater than 1!";
753 if (!optDesc_.isParameterList())
754 throw "The multi_val property is valid only on list options!";
755 optDesc_.MultiVal = val;
760 /// AddOption - A function object that is applied to every option
761 /// description. Used by CollectOptionDescriptions.
764 OptionDescriptions& OptDescs_;
767 explicit AddOption(OptionDescriptions& OD) : OptDescs_(OD)
770 void operator()(const Init* i) {
771 const DagInit& d = InitPtrToDag(i);
772 CheckNumberOfArguments(d, 1);
774 const OptionType::OptionType Type =
775 stringToOptionType(GetOperatorName(d));
776 const std::string& Name = InitPtrToString(d.getArg(0));
778 OptionDescription OD(Type, Name);
780 CheckNumberOfArguments(d, 2);
783 // Aliases store the aliased option name in the 'Help' field.
784 OD.Help = InitPtrToString(d.getArg(1));
787 processOptionProperties(d, OD);
790 OptDescs_.InsertDescription(OD);
794 /// processOptionProperties - Go through the list of option
795 /// properties and call a corresponding handler for each.
796 static void processOptionProperties (const DagInit& d, OptionDescription& o) {
797 CheckNumberOfArguments(d, 2);
798 DagInit::const_arg_iterator B = d.arg_begin();
799 // Skip the first argument: it's always the option name.
801 std::for_each(B, d.arg_end(), CollectOptionProperties(o));
806 /// CollectOptionDescriptions - Collects option properties from all
808 void CollectOptionDescriptions (const RecordVector& V,
809 OptionDescriptions& OptDescs)
811 // For every OptionList:
812 for (RecordVector::const_iterator B = V.begin(),
813 E = V.end(); B!=E; ++B) {
814 // Throws an exception if the value does not exist.
815 ListInit* PropList = (*B)->getValueAsListInit("options");
817 // For every option description in this list:
818 // collect the information and
819 std::for_each(PropList->begin(), PropList->end(), AddOption(OptDescs));
823 // Tool information record
825 namespace ToolFlags {
826 enum ToolFlags { Join = 0x1, Sink = 0x2 };
829 struct ToolDescription : public RefCountedBase<ToolDescription> {
833 StrVector InLanguage;
834 std::string InFileOption;
835 std::string OutFileOption;
836 StrVector OutLanguage;
837 std::string OutputSuffix;
841 // Various boolean properties
842 void setSink() { Flags |= ToolFlags::Sink; }
843 bool isSink() const { return Flags & ToolFlags::Sink; }
844 void setJoin() { Flags |= ToolFlags::Join; }
845 bool isJoin() const { return Flags & ToolFlags::Join; }
847 // Default ctor here is needed because StringMap can only store
848 // DefaultConstructible objects
849 ToolDescription (const std::string &n = "")
850 : Name(n), CmdLine(0), Actions(0), OutFileOption("-o"),
855 /// ToolDescriptions - A list of Tool information records.
856 typedef std::vector<IntrusiveRefCntPtr<ToolDescription> > ToolDescriptions;
859 /// CollectToolProperties - Function object for iterating over a list of
860 /// tool property records.
862 class CollectToolProperties;
863 typedef void (CollectToolProperties::* CollectToolPropertiesHandler)
866 class CollectToolProperties : public HandlerTable<CollectToolPropertiesHandler>
870 /// toolDesc_ - Properties of the current Tool. This is where the
871 /// information is stored.
872 ToolDescription& toolDesc_;
876 explicit CollectToolProperties (ToolDescription& d)
879 if (!staticMembersInitialized_) {
881 AddHandler("actions", &CollectToolProperties::onActions);
882 AddHandler("command", &CollectToolProperties::onCommand);
883 AddHandler("in_language", &CollectToolProperties::onInLanguage);
884 AddHandler("join", &CollectToolProperties::onJoin);
885 AddHandler("out_language", &CollectToolProperties::onOutLanguage);
887 AddHandler("out_file_option", &CollectToolProperties::onOutFileOption);
888 AddHandler("in_file_option", &CollectToolProperties::onInFileOption);
890 AddHandler("output_suffix", &CollectToolProperties::onOutputSuffix);
891 AddHandler("sink", &CollectToolProperties::onSink);
892 AddHandler("works_on_empty", &CollectToolProperties::onWorksOnEmpty);
894 staticMembersInitialized_ = true;
898 void operator() (Init* I) {
899 InvokeDagInitHandler(this, I);
904 /// Property handlers --
905 /// Functions that extract information about tool properties from
906 /// DAG representation.
908 void onActions (const DagInit& d) {
909 CheckNumberOfArguments(d, 1);
910 Init* Case = d.getArg(0);
911 if (typeid(*Case) != typeid(DagInit) ||
912 GetOperatorName(static_cast<DagInit&>(*Case)) != "case")
913 throw "The argument to (actions) should be a 'case' construct!";
914 toolDesc_.Actions = Case;
917 void onCommand (const DagInit& d) {
918 CheckNumberOfArguments(d, 1);
919 toolDesc_.CmdLine = d.getArg(0);
922 /// onInOutLanguage - Common implementation of on{In,Out}Language().
923 void onInOutLanguage (const DagInit& d, StrVector& OutVec) {
924 CheckNumberOfArguments(d, 1);
925 Init* arg = d.getArg(0);
927 // Find out the argument's type.
928 if (typeid(*arg) == typeid(StringInit)) {
930 OutVec.push_back(InitPtrToString(arg));
934 const ListInit& lst = InitPtrToList(arg);
936 // Copy strings to the output vector.
937 for (ListInit::const_iterator B = lst.begin(), E = lst.end(); B != E; ++B)
938 OutVec.push_back(InitPtrToString(*B));
940 // Remove duplicates.
941 std::sort(OutVec.begin(), OutVec.end());
942 StrVector::iterator newE = std::unique(OutVec.begin(), OutVec.end());
943 OutVec.erase(newE, OutVec.end());
948 void onInLanguage (const DagInit& d) {
949 this->onInOutLanguage(d, toolDesc_.InLanguage);
952 void onJoin (const DagInit& d) {
953 CheckNumberOfArguments(d, 0);
957 void onOutLanguage (const DagInit& d) {
958 this->onInOutLanguage(d, toolDesc_.OutLanguage);
961 void onOutFileOption (const DagInit& d) {
962 CheckNumberOfArguments(d, 1);
963 toolDesc_.OutFileOption = InitPtrToString(d.getArg(0));
966 void onInFileOption (const DagInit& d) {
967 CheckNumberOfArguments(d, 1);
968 toolDesc_.InFileOption = InitPtrToString(d.getArg(0));
971 void onOutputSuffix (const DagInit& d) {
972 CheckNumberOfArguments(d, 1);
973 toolDesc_.OutputSuffix = InitPtrToString(d.getArg(0));
976 void onSink (const DagInit& d) {
977 CheckNumberOfArguments(d, 0);
981 void onWorksOnEmpty (const DagInit& d) {
982 toolDesc_.OnEmpty = d.getArg(0);
987 /// CollectToolDescriptions - Gather information about tool properties
988 /// from the parsed TableGen data (basically a wrapper for the
989 /// CollectToolProperties function object).
990 void CollectToolDescriptions (const RecordVector& Tools,
991 ToolDescriptions& ToolDescs)
993 // Iterate over a properties list of every Tool definition
994 for (RecordVector::const_iterator B = Tools.begin(),
995 E = Tools.end(); B!=E; ++B) {
996 const Record* T = *B;
997 // Throws an exception if the value does not exist.
998 ListInit* PropList = T->getValueAsListInit("properties");
1000 IntrusiveRefCntPtr<ToolDescription>
1001 ToolDesc(new ToolDescription(T->getName()));
1003 std::for_each(PropList->begin(), PropList->end(),
1004 CollectToolProperties(*ToolDesc));
1005 ToolDescs.push_back(ToolDesc);
1009 /// FillInEdgeVector - Merge all compilation graph definitions into
1010 /// one single edge list.
1011 void FillInEdgeVector(const RecordVector& CompilationGraphs,
1013 for (RecordVector::const_iterator B = CompilationGraphs.begin(),
1014 E = CompilationGraphs.end(); B != E; ++B) {
1015 const ListInit* Edges = (*B)->getValueAsListInit("edges");
1017 for (ListInit::const_iterator B = Edges->begin(),
1018 E = Edges->end(); B != E; ++B) {
1019 Out.push_back(&InitPtrToDag(*B));
1024 /// NotInGraph - Helper function object for FilterNotInGraph.
1027 const llvm::StringSet<>& ToolsInGraph_;
1030 NotInGraph(const llvm::StringSet<>& ToolsInGraph)
1031 : ToolsInGraph_(ToolsInGraph)
1034 bool operator()(const IntrusiveRefCntPtr<ToolDescription>& x) {
1035 return (ToolsInGraph_.count(x->Name) == 0);
1039 /// FilterNotInGraph - Filter out from ToolDescs all Tools not
1040 /// mentioned in the compilation graph definition.
1041 void FilterNotInGraph (const DagVector& EdgeVector,
1042 ToolDescriptions& ToolDescs) {
1044 // List all tools mentioned in the graph.
1045 llvm::StringSet<> ToolsInGraph;
1047 for (DagVector::const_iterator B = EdgeVector.begin(),
1048 E = EdgeVector.end(); B != E; ++B) {
1050 const DagInit* Edge = *B;
1051 const std::string& NodeA = InitPtrToString(Edge->getArg(0));
1052 const std::string& NodeB = InitPtrToString(Edge->getArg(1));
1054 if (NodeA != "root")
1055 ToolsInGraph.insert(NodeA);
1056 ToolsInGraph.insert(NodeB);
1059 // Filter ToolPropertiesList.
1060 ToolDescriptions::iterator new_end =
1061 std::remove_if(ToolDescs.begin(), ToolDescs.end(),
1062 NotInGraph(ToolsInGraph));
1063 ToolDescs.erase(new_end, ToolDescs.end());
1066 /// FillInToolToLang - Fills in two tables that map tool names to
1067 /// input & output language names. Helper function used by TypecheckGraph().
1068 void FillInToolToLang (const ToolDescriptions& ToolDescs,
1069 StringMap<StringSet<> >& ToolToInLang,
1070 StringMap<StringSet<> >& ToolToOutLang) {
1071 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1072 E = ToolDescs.end(); B != E; ++B) {
1073 const ToolDescription& D = *(*B);
1074 for (StrVector::const_iterator B = D.InLanguage.begin(),
1075 E = D.InLanguage.end(); B != E; ++B)
1076 ToolToInLang[D.Name].insert(*B);
1077 for (StrVector::const_iterator B = D.OutLanguage.begin(),
1078 E = D.OutLanguage.end(); B != E; ++B)
1079 ToolToOutLang[D.Name].insert(*B);
1083 /// Intersect - Is set intersection non-empty?
1084 bool Intersect (const StringSet<>& S1, const StringSet<>& S2) {
1085 for (StringSet<>::const_iterator B = S1.begin(), E = S1.end(); B != E; ++B) {
1086 if (S2.count(B->first()) != 0)
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<StringSet<> > ToolToOutLang;
1099 FillInToolToLang(ToolDescs, ToolToInLang, ToolToOutLang);
1101 for (DagVector::const_iterator B = EdgeVector.begin(),
1102 E = EdgeVector.end(); B != E; ++B) {
1103 const DagInit* Edge = *B;
1104 const std::string& NodeA = InitPtrToString(Edge->getArg(0));
1105 const std::string& NodeB = InitPtrToString(Edge->getArg(1));
1106 StringMap<StringSet<> >::iterator IA = ToolToOutLang.find(NodeA);
1107 StringMap<StringSet<> >::iterator IB = ToolToInLang.find(NodeB);
1109 if (NodeB == "root")
1110 throw "Edges back to the root are not allowed!";
1112 if (NodeA != "root") {
1113 if (IA == ToolToOutLang.end())
1114 throw NodeA + ": no output language defined!";
1115 if (IB == ToolToInLang.end())
1116 throw NodeB + ": no input language defined!";
1118 if (!Intersect(IA->second, IB->second)) {
1119 throw "Edge " + NodeA + "->" + NodeB
1120 + ": output->input language mismatch";
1126 /// WalkCase - Walks the 'case' expression DAG and invokes
1127 /// TestCallback on every test, and StatementCallback on every
1128 /// statement. Handles 'case' nesting, but not the 'and' and 'or'
1129 /// combinators (that is, they are passed directly to TestCallback).
1130 /// TestCallback must have type 'void TestCallback(const DagInit*, unsigned
1131 /// IndentLevel, bool FirstTest)'.
1132 /// StatementCallback must have type 'void StatementCallback(const Init*,
1133 /// unsigned IndentLevel)'.
1134 template <typename F1, typename F2>
1135 void WalkCase(const Init* Case, F1 TestCallback, F2 StatementCallback,
1136 unsigned IndentLevel = 0)
1138 const DagInit& d = InitPtrToDag(Case);
1141 if (GetOperatorName(d) != "case")
1142 throw "WalkCase should be invoked only on 'case' expressions!";
1144 if (d.getNumArgs() < 2)
1145 throw "There should be at least one clause in the 'case' expression:\n"
1150 const unsigned numArgs = d.getNumArgs();
1152 for (DagInit::const_arg_iterator B = d.arg_begin(), E = d.arg_end();
1159 const DagInit& Test = InitPtrToDag(arg);
1161 if (GetOperatorName(Test) == "default" && (i+1 != numArgs))
1162 throw "The 'default' clause should be the last in the "
1163 "'case' construct!";
1165 throw "Case construct handler: no corresponding action "
1166 "found for the test " + Test.getAsString() + '!';
1168 TestCallback(Test, IndentLevel, (i == 1));
1172 if (dynamic_cast<DagInit*>(arg)
1173 && GetOperatorName(static_cast<DagInit&>(*arg)) == "case") {
1175 WalkCase(arg, TestCallback, StatementCallback, IndentLevel + Indent1);
1178 // Handle statement.
1179 StatementCallback(arg, IndentLevel);
1187 /// ExtractOptionNames - A helper function object used by
1188 /// CheckForSuperfluousOptions() to walk the 'case' DAG.
1189 class ExtractOptionNames {
1190 llvm::StringSet<>& OptionNames_;
1192 void processDag(const Init* Statement) {
1193 const DagInit& Stmt = InitPtrToDag(Statement);
1194 const std::string& ActionName = GetOperatorName(Stmt);
1195 if (ActionName == "forward" || ActionName == "forward_as" ||
1196 ActionName == "forward_value" ||
1197 ActionName == "forward_transformed_value" ||
1198 ActionName == "switch_on" || ActionName == "any_switch_on" ||
1199 ActionName == "parameter_equals" ||
1200 ActionName == "element_in_list" || ActionName == "not_empty" ||
1201 ActionName == "empty") {
1202 CheckNumberOfArguments(Stmt, 1);
1204 Init* Arg = Stmt.getArg(0);
1205 if (typeid(*Arg) == typeid(StringInit)) {
1206 const std::string& Name = InitPtrToString(Arg);
1207 OptionNames_.insert(Name);
1211 const ListInit& List = InitPtrToList(Arg);
1212 for (ListInit::const_iterator B = List.begin(), E = List.end();
1214 const std::string& Name = InitPtrToString(*B);
1215 OptionNames_.insert(Name);
1219 else if (ActionName == "and" || ActionName == "or" || ActionName == "not") {
1220 for (unsigned i = 0, NumArgs = Stmt.getNumArgs(); i < NumArgs; ++i) {
1221 this->processDag(Stmt.getArg(i));
1227 ExtractOptionNames(llvm::StringSet<>& OptionNames) : OptionNames_(OptionNames)
1230 void operator()(const Init* Statement) {
1231 if (typeid(*Statement) == typeid(ListInit)) {
1232 const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1233 for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1235 this->processDag(*B);
1238 this->processDag(Statement);
1242 void operator()(const DagInit& Test, unsigned, bool) {
1243 this->operator()(&Test);
1245 void operator()(const Init* Statement, unsigned) {
1246 this->operator()(Statement);
1250 /// IsOptionalEdge - Validate that the 'optional_edge' has proper structure.
1251 bool IsOptionalEdge (const DagInit& Edg) {
1252 return (GetOperatorName(Edg) == "optional_edge") && (Edg.getNumArgs() > 2);
1255 /// CheckForSuperfluousOptions - Check that there are no side
1256 /// effect-free options (specified only in the OptionList). Otherwise,
1257 /// output a warning.
1258 void CheckForSuperfluousOptions (const DagVector& EdgeVector,
1259 const ToolDescriptions& ToolDescs,
1260 const OptionDescriptions& OptDescs) {
1261 llvm::StringSet<> nonSuperfluousOptions;
1263 // Add all options mentioned in the ToolDesc.Actions to the set of
1264 // non-superfluous options.
1265 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
1266 E = ToolDescs.end(); B != E; ++B) {
1267 const ToolDescription& TD = *(*B);
1268 ExtractOptionNames Callback(nonSuperfluousOptions);
1270 WalkCase(TD.Actions, Callback, Callback);
1273 // Add all options mentioned in the 'case' clauses of the
1274 // OptionalEdges of the compilation graph to the set of
1275 // non-superfluous options.
1276 for (DagVector::const_iterator B = EdgeVector.begin(),
1277 E = EdgeVector.end(); B != E; ++B) {
1278 const DagInit& Edge = **B;
1279 if (IsOptionalEdge(Edge)) {
1280 const DagInit& Weight = InitPtrToDag(Edge.getArg(2));
1281 WalkCase(&Weight, ExtractOptionNames(nonSuperfluousOptions), Id());
1285 // Check that all options in OptDescs belong to the set of
1286 // non-superfluous options.
1287 for (OptionDescriptions::const_iterator B = OptDescs.begin(),
1288 E = OptDescs.end(); B != E; ++B) {
1289 const OptionDescription& Val = B->second;
1290 if (!nonSuperfluousOptions.count(Val.Name)
1291 && Val.Type != OptionType::Alias)
1292 llvm::errs() << "Warning: option '-" << Val.Name << "' has no effect! "
1293 "Probable cause: this option is specified only in the OptionList.\n";
1297 /// EmitCaseTest0Args - Helper function used by EmitCaseConstructHandler().
1298 bool EmitCaseTest0Args(const std::string& TestName, raw_ostream& O) {
1299 if (TestName == "single_input_file") {
1300 O << "InputFilenames.size() == 1";
1303 else if (TestName == "multiple_input_files") {
1304 O << "InputFilenames.size() > 1";
1311 /// EmitListTest - Helper function used by EmitCaseTest1ArgList().
1312 template <typename F>
1313 void EmitListTest(const ListInit& L, const char* LogicOp,
1314 F Callback, raw_ostream& O)
1316 // This is a lot like EmitLogicalOperationTest, but works on ListInits instead
1318 bool isFirst = true;
1319 for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B) {
1323 O << ' ' << LogicOp << ' ';
1324 Callback(InitPtrToString(*B), O);
1328 // Callbacks for use with EmitListTest.
1330 class EmitSwitchOn {
1331 const OptionDescriptions& OptDescs_;
1333 EmitSwitchOn(const OptionDescriptions& OptDescs) : OptDescs_(OptDescs)
1336 void operator()(const std::string& OptName, raw_ostream& O) const {
1337 const OptionDescription& OptDesc = OptDescs_.FindSwitch(OptName);
1338 O << OptDesc.GenVariableName();
1342 class EmitEmptyTest {
1344 const OptionDescriptions& OptDescs_;
1346 EmitEmptyTest(bool EmitNegate, const OptionDescriptions& OptDescs)
1347 : EmitNegate_(EmitNegate), OptDescs_(OptDescs)
1350 void operator()(const std::string& OptName, raw_ostream& O) const {
1351 const char* Neg = (EmitNegate_ ? "!" : "");
1352 if (OptName == "o") {
1353 O << Neg << "OutputFilename.empty()";
1355 else if (OptName == "save-temps") {
1356 O << Neg << "(SaveTemps == SaveTempsEnum::Unset)";
1359 const OptionDescription& OptDesc = OptDescs_.FindListOrParameter(OptName);
1360 O << Neg << OptDesc.GenVariableName() << ".empty()";
1366 /// EmitCaseTest1ArgList - Helper function used by EmitCaseTest1Arg();
1367 bool EmitCaseTest1ArgList(const std::string& TestName,
1369 const OptionDescriptions& OptDescs,
1371 const ListInit& L = InitPtrToList(d.getArg(0));
1373 if (TestName == "any_switch_on") {
1374 EmitListTest(L, "||", EmitSwitchOn(OptDescs), O);
1377 else if (TestName == "switch_on") {
1378 EmitListTest(L, "&&", EmitSwitchOn(OptDescs), O);
1381 else if (TestName == "any_not_empty") {
1382 EmitListTest(L, "||", EmitEmptyTest(true, OptDescs), O);
1385 else if (TestName == "any_empty") {
1386 EmitListTest(L, "||", EmitEmptyTest(false, OptDescs), O);
1389 else if (TestName == "not_empty") {
1390 EmitListTest(L, "&&", EmitEmptyTest(true, OptDescs), O);
1393 else if (TestName == "empty") {
1394 EmitListTest(L, "&&", EmitEmptyTest(false, OptDescs), O);
1401 /// EmitCaseTest1ArgStr - Helper function used by EmitCaseTest1Arg();
1402 bool EmitCaseTest1ArgStr(const std::string& TestName,
1404 const OptionDescriptions& OptDescs,
1406 const std::string& OptName = InitPtrToString(d.getArg(0));
1408 if (TestName == "switch_on") {
1409 apply(EmitSwitchOn(OptDescs), OptName, O);
1412 else if (TestName == "input_languages_contain") {
1413 O << "InLangs.count(\"" << OptName << "\") != 0";
1416 else if (TestName == "in_language") {
1417 // This works only for single-argument Tool::GenerateAction. Join
1418 // tools can process several files in different languages simultaneously.
1420 // TODO: make this work with Edge::Weight (if possible).
1421 O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
1424 else if (TestName == "not_empty" || TestName == "empty") {
1425 bool EmitNegate = (TestName == "not_empty");
1426 apply(EmitEmptyTest(EmitNegate, OptDescs), OptName, O);
1433 /// EmitCaseTest1Arg - Helper function used by EmitCaseConstructHandler();
1434 bool EmitCaseTest1Arg(const std::string& TestName,
1436 const OptionDescriptions& OptDescs,
1438 CheckNumberOfArguments(d, 1);
1439 if (typeid(*d.getArg(0)) == typeid(ListInit))
1440 return EmitCaseTest1ArgList(TestName, d, OptDescs, O);
1442 return EmitCaseTest1ArgStr(TestName, d, OptDescs, O);
1445 /// EmitCaseTest2Args - Helper function used by EmitCaseConstructHandler().
1446 bool EmitCaseTest2Args(const std::string& TestName,
1448 unsigned IndentLevel,
1449 const OptionDescriptions& OptDescs,
1451 CheckNumberOfArguments(d, 2);
1452 const std::string& OptName = InitPtrToString(d.getArg(0));
1453 const std::string& OptArg = InitPtrToString(d.getArg(1));
1455 if (TestName == "parameter_equals") {
1456 const OptionDescription& OptDesc = OptDescs.FindParameter(OptName);
1457 O << OptDesc.GenVariableName() << " == \"" << OptArg << "\"";
1460 else if (TestName == "element_in_list") {
1461 const OptionDescription& OptDesc = OptDescs.FindParameterList(OptName);
1462 const std::string& VarName = OptDesc.GenVariableName();
1463 O << "std::find(" << VarName << ".begin(),\n";
1464 O.indent(IndentLevel + Indent1)
1465 << VarName << ".end(), \""
1466 << OptArg << "\") != " << VarName << ".end()";
1473 // Forward declaration.
1474 // EmitLogicalOperationTest and EmitCaseTest are mutually recursive.
1475 void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1476 const OptionDescriptions& OptDescs,
1479 /// EmitLogicalOperationTest - Helper function used by
1480 /// EmitCaseConstructHandler.
1481 void EmitLogicalOperationTest(const DagInit& d, const char* LogicOp,
1482 unsigned IndentLevel,
1483 const OptionDescriptions& OptDescs,
1486 for (unsigned j = 0, NumArgs = d.getNumArgs(); j < NumArgs; ++j) {
1487 const DagInit& InnerTest = InitPtrToDag(d.getArg(j));
1488 EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1489 if (j != NumArgs - 1) {
1491 O.indent(IndentLevel + Indent1) << ' ' << LogicOp << " (";
1499 void EmitLogicalNot(const DagInit& d, unsigned IndentLevel,
1500 const OptionDescriptions& OptDescs, raw_ostream& O)
1502 CheckNumberOfArguments(d, 1);
1503 const DagInit& InnerTest = InitPtrToDag(d.getArg(0));
1505 EmitCaseTest(InnerTest, IndentLevel, OptDescs, O);
1509 /// EmitCaseTest - Helper function used by EmitCaseConstructHandler.
1510 void EmitCaseTest(const DagInit& d, unsigned IndentLevel,
1511 const OptionDescriptions& OptDescs,
1513 const std::string& TestName = GetOperatorName(d);
1515 if (TestName == "and")
1516 EmitLogicalOperationTest(d, "&&", IndentLevel, OptDescs, O);
1517 else if (TestName == "or")
1518 EmitLogicalOperationTest(d, "||", IndentLevel, OptDescs, O);
1519 else if (TestName == "not")
1520 EmitLogicalNot(d, IndentLevel, OptDescs, O);
1521 else if (EmitCaseTest0Args(TestName, O))
1523 else if (EmitCaseTest1Arg(TestName, d, OptDescs, O))
1525 else if (EmitCaseTest2Args(TestName, d, IndentLevel, OptDescs, O))
1528 throw "Unknown test '" + TestName + "' used in the 'case' construct!";
1532 /// EmitCaseTestCallback - Callback used by EmitCaseConstructHandler.
1533 class EmitCaseTestCallback {
1535 const OptionDescriptions& OptDescs_;
1539 EmitCaseTestCallback(bool EmitElseIf,
1540 const OptionDescriptions& OptDescs, raw_ostream& O)
1541 : EmitElseIf_(EmitElseIf), OptDescs_(OptDescs), O_(O)
1544 void operator()(const DagInit& Test, unsigned IndentLevel, bool FirstTest)
1546 if (GetOperatorName(Test) == "default") {
1547 O_.indent(IndentLevel) << "else {\n";
1550 O_.indent(IndentLevel)
1551 << ((!FirstTest && EmitElseIf_) ? "else if (" : "if (");
1552 EmitCaseTest(Test, IndentLevel, OptDescs_, O_);
1558 /// EmitCaseStatementCallback - Callback used by EmitCaseConstructHandler.
1559 template <typename F>
1560 class EmitCaseStatementCallback {
1565 EmitCaseStatementCallback(F Callback, raw_ostream& O)
1566 : Callback_(Callback), O_(O)
1569 void operator() (const Init* Statement, unsigned IndentLevel) {
1571 // Ignore nested 'case' DAG.
1572 if (!(dynamic_cast<const DagInit*>(Statement) &&
1573 GetOperatorName(static_cast<const DagInit&>(*Statement)) == "case")) {
1574 if (typeid(*Statement) == typeid(ListInit)) {
1575 const ListInit& DagList = *static_cast<const ListInit*>(Statement);
1576 for (ListInit::const_iterator B = DagList.begin(), E = DagList.end();
1578 Callback_(*B, (IndentLevel + Indent1), O_);
1581 Callback_(Statement, (IndentLevel + Indent1), O_);
1584 O_.indent(IndentLevel) << "}\n";
1589 /// EmitCaseConstructHandler - Emit code that handles the 'case'
1590 /// construct. Takes a function object that should emit code for every case
1591 /// clause. Implemented on top of WalkCase.
1592 /// Callback's type is void F(const Init* Statement, unsigned IndentLevel,
1593 /// raw_ostream& O).
1594 /// EmitElseIf parameter controls the type of condition that is emitted ('if
1595 /// (..) {..} else if (..) {} .. else {..}' vs. 'if (..) {..} if(..) {..}
1597 template <typename F>
1598 void EmitCaseConstructHandler(const Init* Case, unsigned IndentLevel,
1599 F Callback, bool EmitElseIf,
1600 const OptionDescriptions& OptDescs,
1602 WalkCase(Case, EmitCaseTestCallback(EmitElseIf, OptDescs, O),
1603 EmitCaseStatementCallback<F>(Callback, O), IndentLevel);
1606 /// TokenizeCmdLine - converts from
1607 /// "$CALL(HookName, 'Arg1', 'Arg2')/path -arg1 -arg2" to
1608 /// ["$CALL(", "HookName", "Arg1", "Arg2", ")/path", "-arg1", "-arg2"].
1609 void TokenizeCmdLine(const std::string& CmdLine, StrVector& Out) {
1610 const char* Delimiters = " \t\n\v\f\r";
1612 { Normal, SpecialCommand, InsideSpecialCommand, InsideQuotationMarks }
1615 if (CmdLine.empty())
1619 std::string::size_type B = CmdLine.find_first_not_of(Delimiters),
1622 for (; B != E; ++B) {
1623 char cur_ch = CmdLine[B];
1627 if (cur_ch == '$') {
1628 cur_st = SpecialCommand;
1631 if (OneOf(Delimiters, cur_ch)) {
1633 B = CmdLine.find_first_not_of(Delimiters, B);
1634 if (B == std::string::npos) {
1645 case SpecialCommand:
1646 if (OneOf(Delimiters, cur_ch)) {
1651 if (cur_ch == '(') {
1653 cur_st = InsideSpecialCommand;
1658 case InsideSpecialCommand:
1659 if (OneOf(Delimiters, cur_ch)) {
1662 if (cur_ch == '\'') {
1663 cur_st = InsideQuotationMarks;
1667 if (cur_ch == ')') {
1671 if (cur_ch == ',') {
1677 case InsideQuotationMarks:
1678 if (cur_ch == '\'') {
1679 cur_st = InsideSpecialCommand;
1685 Out.back().push_back(cur_ch);
1689 /// SubstituteCall - Given "$CALL(HookName, [Arg1 [, Arg2 [...]]])", output
1690 /// "hooks::HookName([Arg1 [, Arg2 [, ...]]])". Helper function used by
1691 /// SubstituteSpecialCommands().
1692 StrVector::const_iterator
1693 SubstituteCall (StrVector::const_iterator Pos,
1694 StrVector::const_iterator End,
1695 bool IsJoin, raw_ostream& O)
1697 const char* errorMessage = "Syntax error in $CALL invocation!";
1698 CheckedIncrement(Pos, End, errorMessage);
1699 const std::string& CmdName = *Pos;
1702 throw "$CALL invocation: empty argument list!";
1705 O << CmdName << "(";
1708 bool firstIteration = true;
1710 CheckedIncrement(Pos, End, errorMessage);
1711 const std::string& Arg = *Pos;
1712 assert(Arg.size() != 0);
1718 firstIteration = false;
1722 if (Arg == "$INFILE") {
1724 throw "$CALL(Hook, $INFILE) can't be used with a Join tool!";
1726 O << "inFile.c_str()";
1729 O << '"' << Arg << '"';
1738 /// SubstituteEnv - Given '$ENV(VAR_NAME)', output 'getenv("VAR_NAME")'. Helper
1739 /// function used by SubstituteSpecialCommands().
1740 StrVector::const_iterator
1741 SubstituteEnv (StrVector::const_iterator Pos,
1742 StrVector::const_iterator End, raw_ostream& O)
1744 const char* errorMessage = "Syntax error in $ENV invocation!";
1745 CheckedIncrement(Pos, End, errorMessage);
1746 const std::string& EnvName = *Pos;
1749 throw "$ENV invocation: empty argument list!";
1751 O << "checkCString(std::getenv(\"";
1755 CheckedIncrement(Pos, End, errorMessage);
1760 /// SubstituteSpecialCommands - Given an invocation of $CALL or $ENV, output
1761 /// handler code. Helper function used by EmitCmdLineVecFill().
1762 StrVector::const_iterator
1763 SubstituteSpecialCommands (StrVector::const_iterator Pos,
1764 StrVector::const_iterator End,
1765 bool IsJoin, raw_ostream& O)
1768 const std::string& cmd = *Pos;
1770 // Perform substitution.
1771 if (cmd == "$CALL") {
1772 Pos = SubstituteCall(Pos, End, IsJoin, O);
1774 else if (cmd == "$ENV") {
1775 Pos = SubstituteEnv(Pos, End, O);
1778 throw "Unknown special command: " + cmd;
1781 // Handle '$CMD(ARG)/additional/text'.
1782 const std::string& Leftover = *Pos;
1783 assert(Leftover.at(0) == ')');
1784 if (Leftover.size() != 1)
1785 O << " + std::string(\"" << (Leftover.c_str() + 1) << "\")";
1790 /// EmitCmdLineVecFill - Emit code that fills in the command line
1791 /// vector. Helper function used by EmitGenerateActionMethod().
1792 void EmitCmdLineVecFill(const Init* CmdLine, const std::string& ToolName,
1793 bool IsJoin, unsigned IndentLevel,
1796 TokenizeCmdLine(InitPtrToString(CmdLine), StrVec);
1799 throw "Tool '" + ToolName + "' has empty command line!";
1801 StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
1803 // Emit the command itself.
1804 assert(!StrVec[0].empty());
1805 O.indent(IndentLevel) << "cmd = ";
1806 if (StrVec[0][0] == '$') {
1807 B = SubstituteSpecialCommands(B, E, IsJoin, O);
1811 O << '"' << StrVec[0] << '"';
1816 // Go through the command arguments.
1818 for (; B != E; ++B) {
1819 const std::string& cmd = *B;
1821 assert(!cmd.empty());
1822 O.indent(IndentLevel);
1824 if (cmd.at(0) == '$') {
1825 O << "vec.push_back(std::make_pair(0, ";
1826 B = SubstituteSpecialCommands(B, E, IsJoin, O);
1830 O << "vec.push_back(std::make_pair(0, \"" << cmd << "\"));\n";
1836 /// EmitForEachListElementCycleHeader - Emit common code for iterating through
1837 /// all elements of a list. Helper function used by
1838 /// EmitForwardOptionPropertyHandlingCode.
1839 void EmitForEachListElementCycleHeader (const OptionDescription& D,
1840 unsigned IndentLevel,
1842 unsigned IndentLevel1 = IndentLevel + Indent1;
1844 O.indent(IndentLevel)
1845 << "for (" << D.GenTypeDeclaration()
1846 << "::iterator B = " << D.GenVariableName() << ".begin(),\n";
1847 O.indent(IndentLevel)
1848 << "E = " << D.GenVariableName() << ".end(); B != E;) {\n";
1849 O.indent(IndentLevel1) << "unsigned pos = " << D.GenVariableName()
1850 << ".getPosition(B - " << D.GenVariableName()
1854 /// EmitForwardOptionPropertyHandlingCode - Helper function used to
1855 /// implement EmitActionHandler. Emits code for
1856 /// handling the (forward) and (forward_as) option properties.
1857 void EmitForwardOptionPropertyHandlingCode (const OptionDescription& D,
1858 unsigned IndentLevel,
1859 const std::string& NewName,
1861 const std::string& Name = NewName.empty()
1864 unsigned IndentLevel1 = IndentLevel + Indent1;
1867 case OptionType::Switch:
1868 O.indent(IndentLevel)
1869 << "vec.push_back(std::make_pair(" << D.GenVariableName()
1870 << ".getPosition(), \"" << Name << "\"));\n";
1872 case OptionType::Parameter:
1873 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1874 << D.GenVariableName()
1875 <<".getPosition(), \"" << Name;
1877 if (!D.isForwardNotSplit()) {
1879 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1880 << D.GenVariableName() << ".getPosition(), "
1881 << D.GenVariableName() << "));\n";
1884 O << "=\" + " << D.GenVariableName() << "));\n";
1887 case OptionType::Prefix:
1888 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
1889 << D.GenVariableName() << ".getPosition(), \""
1891 << D.GenVariableName() << "));\n";
1893 case OptionType::PrefixList:
1894 EmitForEachListElementCycleHeader(D, IndentLevel, O);
1895 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1896 << Name << "\" + " << "*B));\n";
1897 O.indent(IndentLevel1) << "++B;\n";
1899 for (int i = 1, j = D.MultiVal; i < j; ++i) {
1900 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1901 O.indent(IndentLevel1) << "++B;\n";
1904 O.indent(IndentLevel) << "}\n";
1906 case OptionType::ParameterList:
1907 EmitForEachListElementCycleHeader(D, IndentLevel, O);
1908 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1909 << Name << "\"));\n";
1911 for (int i = 0, j = D.MultiVal; i < j; ++i) {
1912 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, *B));\n";
1913 O.indent(IndentLevel1) << "++B;\n";
1916 O.indent(IndentLevel) << "}\n";
1918 case OptionType::SwitchList:
1919 EmitForEachListElementCycleHeader(D, IndentLevel, O);
1920 O.indent(IndentLevel1) << "vec.push_back(std::make_pair(pos, \""
1921 << Name << "\"));\n";
1922 O.indent(IndentLevel1) << "++B;\n";
1923 O.indent(IndentLevel) << "}\n";
1925 case OptionType::Alias:
1927 throw "Aliases are not allowed in tool option descriptions!";
1931 /// ActionHandlingCallbackBase - Base class of EmitActionHandlersCallback and
1932 /// EmitPreprocessOptionsCallback.
1933 struct ActionHandlingCallbackBase
1936 void onErrorDag(const DagInit& d,
1937 unsigned IndentLevel, raw_ostream& O) const
1939 O.indent(IndentLevel)
1941 << (d.getNumArgs() >= 1 ? InitPtrToString(d.getArg(0)) : "Unknown error!")
1943 O.indent(IndentLevel) << "return 1;\n";
1946 void onWarningDag(const DagInit& d,
1947 unsigned IndentLevel, raw_ostream& O) const
1949 CheckNumberOfArguments(d, 1);
1950 O.indent(IndentLevel) << "llvm::errs() << \""
1951 << InitPtrToString(d.getArg(0)) << "\";\n";
1956 /// EmitActionHandlersCallback - Emit code that handles actions. Used by
1957 /// EmitGenerateActionMethod() as an argument to EmitCaseConstructHandler().
1958 class EmitActionHandlersCallback;
1960 typedef void (EmitActionHandlersCallback::* EmitActionHandlersCallbackHandler)
1961 (const DagInit&, unsigned, raw_ostream&) const;
1963 class EmitActionHandlersCallback :
1964 public ActionHandlingCallbackBase,
1965 public HandlerTable<EmitActionHandlersCallbackHandler>
1967 typedef EmitActionHandlersCallbackHandler Handler;
1969 const OptionDescriptions& OptDescs;
1971 /// EmitHookInvocation - Common code for hook invocation from actions. Used by
1972 /// onAppendCmd and onOutputSuffix.
1973 void EmitHookInvocation(const std::string& Str,
1974 const char* BlockOpen, const char* BlockClose,
1975 unsigned IndentLevel, raw_ostream& O) const
1978 TokenizeCmdLine(Str, Out);
1980 for (StrVector::const_iterator B = Out.begin(), E = Out.end();
1982 const std::string& cmd = *B;
1984 O.indent(IndentLevel) << BlockOpen;
1986 if (cmd.at(0) == '$')
1987 B = SubstituteSpecialCommands(B, E, /* IsJoin = */ true, O);
1989 O << '"' << cmd << '"';
1995 void onAppendCmd (const DagInit& Dag,
1996 unsigned IndentLevel, raw_ostream& O) const
1998 CheckNumberOfArguments(Dag, 1);
1999 this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
2000 "vec.push_back(std::make_pair(65536, ", "));\n",
2004 void onForward (const DagInit& Dag,
2005 unsigned IndentLevel, raw_ostream& O) const
2007 CheckNumberOfArguments(Dag, 1);
2008 const std::string& Name = InitPtrToString(Dag.getArg(0));
2009 EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
2010 IndentLevel, "", O);
2013 void onForwardAs (const DagInit& Dag,
2014 unsigned IndentLevel, raw_ostream& O) const
2016 CheckNumberOfArguments(Dag, 2);
2017 const std::string& Name = InitPtrToString(Dag.getArg(0));
2018 const std::string& NewName = InitPtrToString(Dag.getArg(1));
2019 EmitForwardOptionPropertyHandlingCode(OptDescs.FindOption(Name),
2020 IndentLevel, NewName, O);
2023 void onForwardValue (const DagInit& Dag,
2024 unsigned IndentLevel, raw_ostream& O) const
2026 CheckNumberOfArguments(Dag, 1);
2027 const std::string& Name = InitPtrToString(Dag.getArg(0));
2028 const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
2030 if (D.isSwitchList()) {
2031 throw std::runtime_error
2032 ("forward_value is not allowed with switch_list");
2035 if (D.isParameter()) {
2036 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2037 << D.GenVariableName() << ".getPosition(), "
2038 << D.GenVariableName() << "));\n";
2041 O.indent(IndentLevel) << "for (" << D.GenTypeDeclaration()
2042 << "::iterator B = " << D.GenVariableName()
2044 O.indent(IndentLevel + Indent1) << " E = " << D.GenVariableName()
2045 << ".end(); B != E; ++B)\n";
2046 O.indent(IndentLevel) << "{\n";
2047 O.indent(IndentLevel + Indent1)
2048 << "unsigned pos = " << D.GenVariableName()
2049 << ".getPosition(B - " << D.GenVariableName()
2051 O.indent(IndentLevel + Indent1)
2052 << "vec.push_back(std::make_pair(pos, *B));\n";
2053 O.indent(IndentLevel) << "}\n";
2057 void onForwardTransformedValue (const DagInit& Dag,
2058 unsigned IndentLevel, raw_ostream& O) const
2060 CheckNumberOfArguments(Dag, 2);
2061 const std::string& Name = InitPtrToString(Dag.getArg(0));
2062 const std::string& Hook = InitPtrToString(Dag.getArg(1));
2063 const OptionDescription& D = OptDescs.FindParameterListOrParameter(Name);
2065 O.indent(IndentLevel) << "vec.push_back(std::make_pair("
2066 << D.GenVariableName() << ".getPosition("
2067 << (D.isList() ? "0" : "") << "), "
2068 << "hooks::" << Hook << "(" << D.GenVariableName()
2069 << (D.isParameter() ? ".c_str()" : "") << ")));\n";
2072 void onNoOutFile (const DagInit& Dag,
2073 unsigned IndentLevel, raw_ostream& O) const
2075 CheckNumberOfArguments(Dag, 0);
2076 O.indent(IndentLevel) << "no_out_file = true;\n";
2079 void onOutputSuffix (const DagInit& Dag,
2080 unsigned IndentLevel, raw_ostream& O) const
2082 CheckNumberOfArguments(Dag, 1);
2083 this->EmitHookInvocation(InitPtrToString(Dag.getArg(0)),
2084 "output_suffix = ", ";\n", IndentLevel, O);
2087 void onStopCompilation (const DagInit& Dag,
2088 unsigned IndentLevel, raw_ostream& O) const
2090 O.indent(IndentLevel) << "stop_compilation = true;\n";
2094 void onUnpackValues (const DagInit& Dag,
2095 unsigned IndentLevel, raw_ostream& O) const
2097 throw "'unpack_values' is deprecated. "
2098 "Use 'comma_separated' + 'forward_value' instead!";
2103 explicit EmitActionHandlersCallback(const OptionDescriptions& OD)
2106 if (!staticMembersInitialized_) {
2107 AddHandler("error", &EmitActionHandlersCallback::onErrorDag);
2108 AddHandler("warning", &EmitActionHandlersCallback::onWarningDag);
2109 AddHandler("append_cmd", &EmitActionHandlersCallback::onAppendCmd);
2110 AddHandler("forward", &EmitActionHandlersCallback::onForward);
2111 AddHandler("forward_as", &EmitActionHandlersCallback::onForwardAs);
2112 AddHandler("forward_value", &EmitActionHandlersCallback::onForwardValue);
2113 AddHandler("forward_transformed_value",
2114 &EmitActionHandlersCallback::onForwardTransformedValue);
2115 AddHandler("no_out_file",
2116 &EmitActionHandlersCallback::onNoOutFile);
2117 AddHandler("output_suffix", &EmitActionHandlersCallback::onOutputSuffix);
2118 AddHandler("stop_compilation",
2119 &EmitActionHandlersCallback::onStopCompilation);
2120 AddHandler("unpack_values",
2121 &EmitActionHandlersCallback::onUnpackValues);
2124 staticMembersInitialized_ = true;
2128 void operator()(const Init* I,
2129 unsigned IndentLevel, raw_ostream& O) const
2131 InvokeDagInitHandler(this, I, IndentLevel, O);
2135 void EmitGenerateActionMethodHeader(const ToolDescription& D,
2136 bool IsJoin, bool Naked,
2139 O.indent(Indent1) << "int GenerateAction(Action& Out,\n";
2142 O.indent(Indent2) << "const PathVector& inFiles,\n";
2144 O.indent(Indent2) << "const sys::Path& inFile,\n";
2146 O.indent(Indent2) << "const bool HasChildren,\n";
2147 O.indent(Indent2) << "const llvm::sys::Path& TempDir,\n";
2148 O.indent(Indent2) << "const InputLanguagesSet& InLangs,\n";
2149 O.indent(Indent2) << "const LanguageMap& LangMap) const\n";
2150 O.indent(Indent1) << "{\n";
2153 O.indent(Indent2) << "std::string cmd;\n";
2154 O.indent(Indent2) << "std::string out_file;\n";
2156 << "std::vector<std::pair<unsigned, std::string> > vec;\n";
2157 O.indent(Indent2) << "bool stop_compilation = !HasChildren;\n";
2158 O.indent(Indent2) << "bool no_out_file = false;\n";
2159 O.indent(Indent2) << "std::string output_suffix(\""
2160 << D.OutputSuffix << "\");\n";
2164 // EmitGenerateActionMethod - Emit either a normal or a "join" version of the
2165 // Tool::GenerateAction() method.
2166 void EmitGenerateActionMethod (const ToolDescription& D,
2167 const OptionDescriptions& OptDescs,
2168 bool IsJoin, raw_ostream& O) {
2170 EmitGenerateActionMethodHeader(D, IsJoin, /* Naked = */ false, O);
2173 throw "Tool " + D.Name + " has no cmd_line property!";
2175 // Process the 'command' property.
2177 EmitCmdLineVecFill(D.CmdLine, D.Name, IsJoin, Indent2, O);
2180 // Process the 'actions' list of this tool.
2182 EmitCaseConstructHandler(D.Actions, Indent2,
2183 EmitActionHandlersCallback(OptDescs),
2184 false, OptDescs, O);
2188 if (!D.InFileOption.empty()) {
2190 << "vec.push_back(std::make_pair(InputFilenames.getPosition(0), \""
2191 << D.InFileOption << "\");\n";
2196 << "for (PathVector::const_iterator B = inFiles.begin(),\n";
2197 O.indent(Indent3) << "E = inFiles.end(); B != E; ++B)\n";
2198 O.indent(Indent2) << "{\n";
2199 O.indent(Indent3) << "vec.push_back(std::make_pair("
2200 << "InputFilenames.getPosition(B - inFiles.begin()), "
2202 O.indent(Indent2) << "}\n";
2205 O.indent(Indent2) << "vec.push_back(std::make_pair("
2206 << "InputFilenames.getPosition(0), inFile.str()));\n";
2210 O.indent(Indent2) << "if (!no_out_file) {\n";
2211 if (!D.OutFileOption.empty())
2212 O.indent(Indent3) << "vec.push_back(std::make_pair(65536, \""
2213 << D.OutFileOption << "\"));\n";
2215 O.indent(Indent3) << "out_file = this->OutFilename("
2216 << (IsJoin ? "sys::Path(),\n" : "inFile,\n");
2217 O.indent(Indent4) <<
2218 "TempDir, stop_compilation, output_suffix.c_str()).str();\n\n";
2219 O.indent(Indent3) << "vec.push_back(std::make_pair(65536, out_file));\n";
2221 O.indent(Indent2) << "}\n\n";
2223 // Handle the Sink property.
2224 std::string SinkOption("autogenerated::");
2225 SinkOption += SinkOptionName;
2227 O.indent(Indent2) << "if (!" << SinkOption << ".empty()) {\n";
2228 O.indent(Indent3) << "for (cl::list<std::string>::iterator B = "
2229 << SinkOption << ".begin(), E = " << SinkOption
2230 << ".end(); B != E; ++B)\n";
2231 O.indent(Indent4) << "vec.push_back(std::make_pair(" << SinkOption
2232 << ".getPosition(B - " << SinkOption
2233 << ".begin()), *B));\n";
2234 O.indent(Indent2) << "}\n";
2237 O.indent(Indent2) << "Out.Construct(cmd, this->SortArgs(vec), "
2238 << "stop_compilation, out_file);\n";
2239 O.indent(Indent2) << "return 0;\n";
2240 O.indent(Indent1) << "}\n\n";
2243 /// EmitGenerateActionMethods - Emit two GenerateAction() methods for
2244 /// a given Tool class.
2245 void EmitGenerateActionMethods (const ToolDescription& ToolDesc,
2246 const OptionDescriptions& OptDescs,
2248 if (!ToolDesc.isJoin()) {
2249 EmitGenerateActionMethodHeader(ToolDesc, /* IsJoin = */ true,
2250 /* Naked = */ true, O);
2251 O.indent(Indent2) << "PrintError(\"" << ToolDesc.Name
2252 << " is not a Join tool!\");\n";
2253 O.indent(Indent2) << "return -1;\n";
2254 O.indent(Indent1) << "}\n\n";
2257 EmitGenerateActionMethod(ToolDesc, OptDescs, true, O);
2260 EmitGenerateActionMethod(ToolDesc, OptDescs, false, O);
2263 /// EmitInOutLanguageMethods - Emit the [Input,Output]Language()
2264 /// methods for a given Tool class.
2265 void EmitInOutLanguageMethods (const ToolDescription& D, raw_ostream& O) {
2266 O.indent(Indent1) << "const char** InputLanguages() const {\n";
2267 O.indent(Indent2) << "return InputLanguages_;\n";
2268 O.indent(Indent1) << "}\n\n";
2270 O.indent(Indent1) << "const char** OutputLanguages() const {\n";
2271 O.indent(Indent2) << "return OutputLanguages_;\n";
2272 O.indent(Indent1) << "}\n\n";
2275 /// EmitNameMethod - Emit the Name() method for a given Tool class.
2276 void EmitNameMethod (const ToolDescription& D, raw_ostream& O) {
2277 O.indent(Indent1) << "const char* Name() const {\n";
2278 O.indent(Indent2) << "return \"" << D.Name << "\";\n";
2279 O.indent(Indent1) << "}\n\n";
2282 /// EmitIsJoinMethod - Emit the IsJoin() method for a given Tool
2284 void EmitIsJoinMethod (const ToolDescription& D, raw_ostream& O) {
2285 O.indent(Indent1) << "bool IsJoin() const {\n";
2287 O.indent(Indent2) << "return true;\n";
2289 O.indent(Indent2) << "return false;\n";
2290 O.indent(Indent1) << "}\n\n";
2293 /// EmitWorksOnEmptyCallback - Callback used by EmitWorksOnEmptyMethod in
2294 /// conjunction with EmitCaseConstructHandler.
2295 void EmitWorksOnEmptyCallback (const Init* Value,
2296 unsigned IndentLevel, raw_ostream& O) {
2297 CheckBooleanConstant(Value);
2298 O.indent(IndentLevel) << "return " << Value->getAsString() << ";\n";
2301 /// EmitWorksOnEmptyMethod - Emit the WorksOnEmpty() method for a given Tool
2303 void EmitWorksOnEmptyMethod (const ToolDescription& D,
2304 const OptionDescriptions& OptDescs,
2307 O.indent(Indent1) << "bool WorksOnEmpty() const {\n";
2309 O.indent(Indent2) << "return false;\n";
2311 EmitCaseConstructHandler(D.OnEmpty, Indent2, EmitWorksOnEmptyCallback,
2312 /*EmitElseIf = */ true, OptDescs, O);
2313 O.indent(Indent1) << "}\n\n";
2316 /// EmitStrArray - Emit definition of a 'const char**' static member
2317 /// variable. Helper used by EmitStaticMemberDefinitions();
2318 void EmitStrArray(const std::string& Name, const std::string& VarName,
2319 const StrVector& StrVec, raw_ostream& O) {
2320 O << "const char* " << Name << "::" << VarName << "[] = {";
2321 for (StrVector::const_iterator B = StrVec.begin(), E = StrVec.end();
2323 O << '\"' << *B << "\", ";
2327 /// EmitStaticMemberDefinitions - Emit static member definitions for a
2328 /// given Tool class.
2329 void EmitStaticMemberDefinitions(const ToolDescription& D, raw_ostream& O) {
2330 if (D.InLanguage.empty())
2331 throw "Tool " + D.Name + " has no 'in_language' property!";
2332 if (D.OutLanguage.empty())
2333 throw "Tool " + D.Name + " has no 'out_language' property!";
2335 EmitStrArray(D.Name, "InputLanguages_", D.InLanguage, O);
2336 EmitStrArray(D.Name, "OutputLanguages_", D.OutLanguage, O);
2340 /// EmitToolClassDefinition - Emit a Tool class definition.
2341 void EmitToolClassDefinition (const ToolDescription& D,
2342 const OptionDescriptions& OptDescs,
2344 if (D.Name == "root")
2348 O << "class " << D.Name << " : public ";
2354 O << " {\nprivate:\n";
2355 O.indent(Indent1) << "static const char* InputLanguages_[];\n";
2356 O.indent(Indent1) << "static const char* OutputLanguages_[];\n\n";
2359 EmitNameMethod(D, O);
2360 EmitInOutLanguageMethods(D, O);
2361 EmitIsJoinMethod(D, O);
2362 EmitWorksOnEmptyMethod(D, OptDescs, O);
2363 EmitGenerateActionMethods(D, OptDescs, O);
2365 // Close class definition
2368 EmitStaticMemberDefinitions(D, O);
2372 /// EmitOptionDefinitions - Iterate over a list of option descriptions
2373 /// and emit registration code.
2374 void EmitOptionDefinitions (const OptionDescriptions& descs,
2375 bool HasSink, raw_ostream& O)
2377 std::vector<OptionDescription> Aliases;
2379 // Emit static cl::Option variables.
2380 for (OptionDescriptions::const_iterator B = descs.begin(),
2381 E = descs.end(); B!=E; ++B) {
2382 const OptionDescription& val = B->second;
2384 if (val.Type == OptionType::Alias) {
2385 Aliases.push_back(val);
2389 O << val.GenTypeDeclaration() << ' '
2390 << val.GenPlainVariableName();
2392 O << "(\"" << val.Name << "\"\n";
2394 if (val.Type == OptionType::Prefix || val.Type == OptionType::PrefixList)
2395 O << ", cl::Prefix";
2397 if (val.isRequired()) {
2398 if (val.isList() && !val.isMultiVal())
2399 O << ", cl::OneOrMore";
2401 O << ", cl::Required";
2404 if (val.isOptional())
2405 O << ", cl::Optional";
2407 if (val.isOneOrMore())
2408 O << ", cl::OneOrMore";
2410 if (val.isZeroOrMore())
2411 O << ", cl::ZeroOrMore";
2413 if (val.isReallyHidden())
2414 O << ", cl::ReallyHidden";
2415 else if (val.isHidden())
2416 O << ", cl::Hidden";
2418 if (val.isCommaSeparated())
2419 O << ", cl::CommaSeparated";
2421 if (val.MultiVal > 1)
2422 O << ", cl::multi_val(" << val.MultiVal << ')';
2425 const std::string& str = val.InitVal->getAsString();
2426 O << ", cl::init(" << str << ')';
2429 if (!val.Help.empty())
2430 O << ", cl::desc(\"" << val.Help << "\")";
2435 // Emit the aliases (they should go after all the 'proper' options).
2436 for (std::vector<OptionDescription>::const_iterator
2437 B = Aliases.begin(), E = Aliases.end(); B != E; ++B) {
2438 const OptionDescription& val = *B;
2440 O << val.GenTypeDeclaration() << ' '
2441 << val.GenPlainVariableName()
2442 << "(\"" << val.Name << '\"';
2444 const OptionDescription& D = descs.FindOption(val.Help);
2445 O << ", cl::aliasopt(" << D.GenVariableName() << ")";
2447 O << ", cl::desc(\"" << "An alias for -" + val.Help << "\"));\n";
2450 // Emit the sink option.
2452 O << "cl::list<std::string> " << SinkOptionName << "(cl::Sink);\n";
2457 /// EmitPreprocessOptionsCallback - Helper function passed to
2458 /// EmitCaseConstructHandler() by EmitPreprocessOptions().
2460 class EmitPreprocessOptionsCallback;
2463 (EmitPreprocessOptionsCallback::* EmitPreprocessOptionsCallbackHandler)
2464 (const DagInit&, unsigned, raw_ostream&) const;
2466 class EmitPreprocessOptionsCallback :
2467 public ActionHandlingCallbackBase,
2468 public HandlerTable<EmitPreprocessOptionsCallbackHandler>
2470 typedef EmitPreprocessOptionsCallbackHandler Handler;
2472 (EmitPreprocessOptionsCallback::* HandlerImpl)
2473 (const Init*, unsigned, raw_ostream&) const;
2475 const OptionDescriptions& OptDescs_;
2477 void onListOrDag(const DagInit& d, HandlerImpl h,
2478 unsigned IndentLevel, raw_ostream& O) const
2480 CheckNumberOfArguments(d, 1);
2481 const Init* I = d.getArg(0);
2483 // If I is a list, apply h to each element.
2484 if (typeid(*I) == typeid(ListInit)) {
2485 const ListInit& L = *static_cast<const ListInit*>(I);
2486 for (ListInit::const_iterator B = L.begin(), E = L.end(); B != E; ++B)
2487 ((this)->*(h))(*B, IndentLevel, O);
2489 // Otherwise, apply h to I.
2491 ((this)->*(h))(I, IndentLevel, O);
2495 void onUnsetOptionImpl(const Init* I,
2496 unsigned IndentLevel, raw_ostream& O) const
2498 const std::string& OptName = InitPtrToString(I);
2499 const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2501 if (OptDesc.isSwitch()) {
2502 O.indent(IndentLevel) << OptDesc.GenVariableName() << " = false;\n";
2504 else if (OptDesc.isParameter()) {
2505 O.indent(IndentLevel) << OptDesc.GenVariableName() << " = \"\";\n";
2507 else if (OptDesc.isList()) {
2508 O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2511 throw "Can't apply 'unset_option' to alias option '" + OptName + "'!";
2515 void onUnsetOption(const DagInit& d,
2516 unsigned IndentLevel, raw_ostream& O) const
2518 this->onListOrDag(d, &EmitPreprocessOptionsCallback::onUnsetOptionImpl,
2522 void onSetOptionImpl(const DagInit& d,
2523 unsigned IndentLevel, raw_ostream& O) const {
2524 CheckNumberOfArguments(d, 2);
2525 const std::string& OptName = InitPtrToString(d.getArg(0));
2526 const Init* Value = d.getArg(1);
2527 const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2529 if (OptDesc.isList()) {
2530 const ListInit& List = InitPtrToList(Value);
2532 O.indent(IndentLevel) << OptDesc.GenVariableName() << ".clear();\n";
2533 for (ListInit::const_iterator B = List.begin(), E = List.end();
2535 const Init* CurElem = *B;
2536 if (OptDesc.isSwitchList())
2537 CheckBooleanConstant(CurElem);
2539 O.indent(IndentLevel)
2540 << OptDesc.GenVariableName() << ".push_back(\""
2541 << (OptDesc.isSwitchList() ? CurElem->getAsString()
2542 : InitPtrToString(CurElem))
2546 else if (OptDesc.isSwitch()) {
2547 CheckBooleanConstant(Value);
2548 O.indent(IndentLevel) << OptDesc.GenVariableName()
2549 << " = " << Value->getAsString() << ";\n";
2551 else if (OptDesc.isParameter()) {
2552 const std::string& Str = InitPtrToString(Value);
2553 O.indent(IndentLevel) << OptDesc.GenVariableName()
2554 << " = \"" << Str << "\";\n";
2557 throw "Can't apply 'set_option' to alias option -" + OptName + " !";
2561 void onSetSwitch(const Init* I,
2562 unsigned IndentLevel, raw_ostream& O) const {
2563 const std::string& OptName = InitPtrToString(I);
2564 const OptionDescription& OptDesc = OptDescs_.FindOption(OptName);
2566 if (OptDesc.isSwitch())
2567 O.indent(IndentLevel) << OptDesc.GenVariableName() << " = true;\n";
2569 throw "set_option: -" + OptName + " is not a switch option!";
2572 void onSetOption(const DagInit& d,
2573 unsigned IndentLevel, raw_ostream& O) const
2575 CheckNumberOfArguments(d, 1);
2577 // Two arguments: (set_option "parameter", VALUE), where VALUE can be a
2578 // boolean, a string or a string list.
2579 if (d.getNumArgs() > 1)
2580 this->onSetOptionImpl(d, IndentLevel, O);
2581 // One argument: (set_option "switch")
2582 // or (set_option ["switch1", "switch2", ...])
2584 this->onListOrDag(d, &EmitPreprocessOptionsCallback::onSetSwitch,
2590 EmitPreprocessOptionsCallback(const OptionDescriptions& OptDescs)
2591 : OptDescs_(OptDescs)
2593 if (!staticMembersInitialized_) {
2594 AddHandler("error", &EmitPreprocessOptionsCallback::onErrorDag);
2595 AddHandler("warning", &EmitPreprocessOptionsCallback::onWarningDag);
2596 AddHandler("unset_option", &EmitPreprocessOptionsCallback::onUnsetOption);
2597 AddHandler("set_option", &EmitPreprocessOptionsCallback::onSetOption);
2599 staticMembersInitialized_ = true;
2603 void operator()(const Init* I,
2604 unsigned IndentLevel, raw_ostream& O) const
2606 InvokeDagInitHandler(this, I, IndentLevel, O);
2611 /// EmitPreprocessOptions - Emit the PreprocessOptions() function.
2612 void EmitPreprocessOptions (const RecordKeeper& Records,
2613 const OptionDescriptions& OptDecs, raw_ostream& O)
2615 O << "int PreprocessOptions () {\n";
2617 const RecordVector& OptionPreprocessors =
2618 Records.getAllDerivedDefinitions("OptionPreprocessor");
2620 for (RecordVector::const_iterator B = OptionPreprocessors.begin(),
2621 E = OptionPreprocessors.end(); B!=E; ++B) {
2622 DagInit* Case = (*B)->getValueAsDag("preprocessor");
2623 EmitCaseConstructHandler(Case, Indent1,
2624 EmitPreprocessOptionsCallback(OptDecs),
2629 O.indent(Indent1) << "return 0;\n";
2633 class DoEmitPopulateLanguageMap;
2634 typedef void (DoEmitPopulateLanguageMap::* DoEmitPopulateLanguageMapHandler)
2637 class DoEmitPopulateLanguageMap
2638 : public HandlerTable<DoEmitPopulateLanguageMapHandler>
2645 explicit DoEmitPopulateLanguageMap (raw_ostream& O) : O_(O) {
2646 if (!staticMembersInitialized_) {
2647 AddHandler("lang_to_suffixes",
2648 &DoEmitPopulateLanguageMap::onLangToSuffixes);
2650 staticMembersInitialized_ = true;
2654 void operator() (Init* I) {
2655 InvokeDagInitHandler(this, I);
2660 void onLangToSuffixes (const DagInit& d) {
2661 CheckNumberOfArguments(d, 2);
2663 const std::string& Lang = InitPtrToString(d.getArg(0));
2664 Init* Suffixes = d.getArg(1);
2666 // Second argument to lang_to_suffixes is either a single string...
2667 if (typeid(*Suffixes) == typeid(StringInit)) {
2668 O_.indent(Indent1) << "langMap[\"" << InitPtrToString(Suffixes)
2669 << "\"] = \"" << Lang << "\";\n";
2671 // ...or a list of strings.
2673 const ListInit& Lst = InitPtrToList(Suffixes);
2674 assert(Lst.size() != 0);
2675 for (ListInit::const_iterator B = Lst.begin(), E = Lst.end();
2677 O_.indent(Indent1) << "langMap[\"" << InitPtrToString(*B)
2678 << "\"] = \"" << Lang << "\";\n";
2685 /// EmitPopulateLanguageMap - Emit the PopulateLanguageMap() function.
2686 void EmitPopulateLanguageMap (const RecordKeeper& Records, raw_ostream& O)
2688 O << "int PopulateLanguageMap (LanguageMap& langMap) {\n";
2690 // For each LangMap:
2691 const RecordVector& LangMaps =
2692 Records.getAllDerivedDefinitions("LanguageMap");
2694 for (RecordVector::const_iterator B = LangMaps.begin(),
2695 E = LangMaps.end(); B!=E; ++B) {
2696 ListInit* LangMap = (*B)->getValueAsListInit("map");
2697 std::for_each(LangMap->begin(), LangMap->end(),
2698 DoEmitPopulateLanguageMap(O));
2702 O.indent(Indent1) << "return 0;\n";
2706 /// EmitEdgePropertyHandlerCallback - Emits code that handles edge
2707 /// properties. Helper function passed to EmitCaseConstructHandler() by
2708 /// EmitEdgeClass().
2709 void EmitEdgePropertyHandlerCallback (const Init* i, unsigned IndentLevel,
2711 const DagInit& d = InitPtrToDag(i);
2712 const std::string& OpName = GetOperatorName(d);
2714 if (OpName == "inc_weight") {
2715 O.indent(IndentLevel) << "ret += ";
2717 else if (OpName == "error") {
2718 CheckNumberOfArguments(d, 1);
2719 O.indent(IndentLevel) << "PrintError(\""
2720 << InitPtrToString(d.getArg(0))
2722 O.indent(IndentLevel) << "return -1;\n";
2726 throw "Unknown operator in edge properties list: '" + OpName + "'!"
2727 "\nOnly 'inc_weight', 'dec_weight' and 'error' are allowed.";
2730 if (d.getNumArgs() > 0)
2731 O << InitPtrToInt(d.getArg(0)) << ";\n";
2737 /// EmitEdgeClass - Emit a single Edge# class.
2738 void EmitEdgeClass (unsigned N, const std::string& Target,
2739 const DagInit& Case, const OptionDescriptions& OptDescs,
2742 // Class constructor.
2743 O << "class Edge" << N << ": public Edge {\n"
2745 O.indent(Indent1) << "Edge" << N << "() : Edge(\"" << Target
2748 // Function Weight().
2750 << "int Weight(const InputLanguagesSet& InLangs) const {\n";
2751 O.indent(Indent2) << "unsigned ret = 0;\n";
2753 // Handle the 'case' construct.
2754 EmitCaseConstructHandler(&Case, Indent2, EmitEdgePropertyHandlerCallback,
2755 false, OptDescs, O);
2757 O.indent(Indent2) << "return ret;\n";
2758 O.indent(Indent1) << "}\n\n};\n\n";
2761 /// EmitEdgeClasses - Emit Edge* classes that represent graph edges.
2762 void EmitEdgeClasses (const DagVector& EdgeVector,
2763 const OptionDescriptions& OptDescs,
2766 for (DagVector::const_iterator B = EdgeVector.begin(),
2767 E = EdgeVector.end(); B != E; ++B) {
2768 const DagInit& Edge = **B;
2769 const std::string& Name = GetOperatorName(Edge);
2771 if (Name == "optional_edge") {
2772 assert(IsOptionalEdge(Edge));
2773 const std::string& NodeB = InitPtrToString(Edge.getArg(1));
2775 const DagInit& Weight = InitPtrToDag(Edge.getArg(2));
2776 EmitEdgeClass(i, NodeB, Weight, OptDescs, O);
2778 else if (Name != "edge") {
2779 throw "Unknown edge class: '" + Name + "'!";
2786 /// EmitPopulateCompilationGraph - Emit the PopulateCompilationGraph() function.
2787 void EmitPopulateCompilationGraph (const DagVector& EdgeVector,
2788 const ToolDescriptions& ToolDescs,
2791 O << "int PopulateCompilationGraph (CompilationGraph& G) {\n";
2793 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2794 E = ToolDescs.end(); B != E; ++B)
2795 O.indent(Indent1) << "G.insertNode(new " << (*B)->Name << "());\n";
2802 for (DagVector::const_iterator B = EdgeVector.begin(),
2803 E = EdgeVector.end(); B != E; ++B) {
2804 const DagInit& Edge = **B;
2805 const std::string& NodeA = InitPtrToString(Edge.getArg(0));
2806 const std::string& NodeB = InitPtrToString(Edge.getArg(1));
2808 O.indent(Indent1) << "if (int ret = G.insertEdge(\"" << NodeA << "\", ";
2810 if (IsOptionalEdge(Edge))
2811 O << "new Edge" << i << "()";
2813 O << "new SimpleEdge(\"" << NodeB << "\")";
2816 O.indent(Indent2) << "return ret;\n";
2822 O.indent(Indent1) << "return 0;\n";
2826 /// HookInfo - Information about the hook type and number of arguments.
2829 // A hook can either have a single parameter of type std::vector<std::string>,
2830 // or NumArgs parameters of type const char*.
2831 enum HookType { ListHook, ArgHook };
2836 HookInfo() : Type(ArgHook), NumArgs(1)
2839 HookInfo(HookType T) : Type(T), NumArgs(1)
2842 HookInfo(unsigned N) : Type(ArgHook), NumArgs(N)
2846 typedef llvm::StringMap<HookInfo> HookInfoMap;
2848 /// ExtractHookNames - Extract the hook names from all instances of
2849 /// $CALL(HookName) in the provided command line string/action. Helper
2850 /// function used by FillInHookNames().
2851 class ExtractHookNames {
2852 HookInfoMap& HookNames_;
2853 const OptionDescriptions& OptDescs_;
2855 ExtractHookNames(HookInfoMap& HookNames, const OptionDescriptions& OptDescs)
2856 : HookNames_(HookNames), OptDescs_(OptDescs)
2859 void onAction (const DagInit& Dag) {
2860 const std::string& Name = GetOperatorName(Dag);
2862 if (Name == "forward_transformed_value") {
2863 CheckNumberOfArguments(Dag, 2);
2864 const std::string& OptName = InitPtrToString(Dag.getArg(0));
2865 const std::string& HookName = InitPtrToString(Dag.getArg(1));
2866 const OptionDescription& D =
2867 OptDescs_.FindParameterListOrParameter(OptName);
2869 HookNames_[HookName] = HookInfo(D.isList() ? HookInfo::ListHook
2870 : HookInfo::ArgHook);
2872 else if (Name == "append_cmd" || Name == "output_suffix") {
2873 CheckNumberOfArguments(Dag, 1);
2874 this->onCmdLine(InitPtrToString(Dag.getArg(0)));
2878 void onCmdLine(const std::string& Cmd) {
2880 TokenizeCmdLine(Cmd, cmds);
2882 for (StrVector::const_iterator B = cmds.begin(), E = cmds.end();
2884 const std::string& cmd = *B;
2886 if (cmd == "$CALL") {
2887 unsigned NumArgs = 0;
2888 CheckedIncrement(B, E, "Syntax error in $CALL invocation!");
2889 const std::string& HookName = *B;
2891 if (HookName.at(0) == ')')
2892 throw "$CALL invoked with no arguments!";
2894 while (++B != E && B->at(0) != ')') {
2898 HookInfoMap::const_iterator H = HookNames_.find(HookName);
2900 if (H != HookNames_.end() && H->second.NumArgs != NumArgs &&
2901 H->second.Type != HookInfo::ArgHook)
2902 throw "Overloading of hooks is not allowed. Overloaded hook: "
2905 HookNames_[HookName] = HookInfo(NumArgs);
2910 void operator()(const Init* Arg) {
2912 // We're invoked on an action (either a dag or a dag list).
2913 if (typeid(*Arg) == typeid(DagInit)) {
2914 const DagInit& Dag = InitPtrToDag(Arg);
2915 this->onAction(Dag);
2918 else if (typeid(*Arg) == typeid(ListInit)) {
2919 const ListInit& List = InitPtrToList(Arg);
2920 for (ListInit::const_iterator B = List.begin(), E = List.end(); B != E;
2922 const DagInit& Dag = InitPtrToDag(*B);
2923 this->onAction(Dag);
2928 // We're invoked on a command line.
2929 this->onCmdLine(InitPtrToString(Arg));
2932 void operator()(const Init* Statement, unsigned) {
2933 this->operator()(Statement);
2937 /// FillInHookNames - Actually extract the hook names from all command
2938 /// line strings. Helper function used by EmitHookDeclarations().
2939 void FillInHookNames(const ToolDescriptions& ToolDescs,
2940 const OptionDescriptions& OptDescs,
2941 HookInfoMap& HookNames)
2943 // For all tool descriptions:
2944 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
2945 E = ToolDescs.end(); B != E; ++B) {
2946 const ToolDescription& D = *(*B);
2948 // Look for 'forward_transformed_value' in 'actions'.
2950 WalkCase(D.Actions, Id(), ExtractHookNames(HookNames, OptDescs));
2952 // Look for hook invocations in 'cmd_line'.
2955 if (dynamic_cast<StringInit*>(D.CmdLine))
2956 // This is a string.
2957 ExtractHookNames(HookNames, OptDescs).operator()(D.CmdLine);
2959 // This is a 'case' construct.
2960 WalkCase(D.CmdLine, Id(), ExtractHookNames(HookNames, OptDescs));
2964 /// EmitHookDeclarations - Parse CmdLine fields of all the tool
2965 /// property records and emit hook function declaration for each
2966 /// instance of $CALL(HookName).
2967 void EmitHookDeclarations(const ToolDescriptions& ToolDescs,
2968 const OptionDescriptions& OptDescs, raw_ostream& O) {
2969 HookInfoMap HookNames;
2971 FillInHookNames(ToolDescs, OptDescs, HookNames);
2972 if (HookNames.empty())
2975 for (HookInfoMap::const_iterator B = HookNames.begin(),
2976 E = HookNames.end(); B != E; ++B) {
2977 const char* HookName = B->first();
2978 const HookInfo& Info = B->second;
2980 O.indent(Indent1) << "std::string " << HookName << "(";
2982 if (Info.Type == HookInfo::ArgHook) {
2983 for (unsigned i = 0, j = Info.NumArgs; i < j; ++i) {
2984 O << "const char* Arg" << i << (i+1 == j ? "" : ", ");
2988 O << "const std::vector<std::string>& Arg";
2995 /// EmitIncludes - Emit necessary #include directives and some
2996 /// additional declarations.
2997 void EmitIncludes(raw_ostream& O) {
2998 O << "#include \"llvm/CompilerDriver/BuiltinOptions.h\"\n"
2999 << "#include \"llvm/CompilerDriver/CompilationGraph.h\"\n"
3000 << "#include \"llvm/CompilerDriver/Error.h\"\n"
3001 << "#include \"llvm/CompilerDriver/Tool.h\"\n\n"
3003 << "#include \"llvm/Support/CommandLine.h\"\n"
3004 << "#include \"llvm/Support/raw_ostream.h\"\n\n"
3006 << "#include <algorithm>\n"
3007 << "#include <cstdlib>\n"
3008 << "#include <iterator>\n"
3009 << "#include <stdexcept>\n\n"
3011 << "using namespace llvm;\n"
3012 << "using namespace llvmc;\n\n"
3014 << "inline const char* checkCString(const char* s)\n"
3015 << "{ return s == NULL ? \"\" : s; }\n\n";
3019 /// DriverData - Holds all information about the driver.
3021 OptionDescriptions OptDescs;
3022 ToolDescriptions ToolDescs;
3027 /// HasSink - Go through the list of tool descriptions and check if
3028 /// there are any with the 'sink' property set.
3029 bool HasSink(const ToolDescriptions& ToolDescs) {
3030 for (ToolDescriptions::const_iterator B = ToolDescs.begin(),
3031 E = ToolDescs.end(); B != E; ++B)
3038 /// CollectDriverData - Collect compilation graph edges, tool properties and
3039 /// option properties from the parse tree.
3040 void CollectDriverData (const RecordKeeper& Records, DriverData& Data) {
3041 // Collect option properties.
3042 const RecordVector& OptionLists =
3043 Records.getAllDerivedDefinitions("OptionList");
3044 CollectOptionDescriptions(OptionLists, Data.OptDescs);
3046 // Collect tool properties.
3047 const RecordVector& Tools = Records.getAllDerivedDefinitions("Tool");
3048 CollectToolDescriptions(Tools, Data.ToolDescs);
3049 Data.HasSink = HasSink(Data.ToolDescs);
3051 // Collect compilation graph edges.
3052 const RecordVector& CompilationGraphs =
3053 Records.getAllDerivedDefinitions("CompilationGraph");
3054 FillInEdgeVector(CompilationGraphs, Data.Edges);
3057 /// CheckDriverData - Perform some sanity checks on the collected data.
3058 void CheckDriverData(DriverData& Data) {
3059 // Filter out all tools not mentioned in the compilation graph.
3060 FilterNotInGraph(Data.Edges, Data.ToolDescs);
3062 // Typecheck the compilation graph.
3063 TypecheckGraph(Data.Edges, Data.ToolDescs);
3065 // Check that there are no options without side effects (specified
3066 // only in the OptionList).
3067 CheckForSuperfluousOptions(Data.Edges, Data.ToolDescs, Data.OptDescs);
3070 void EmitDriverCode(const DriverData& Data, raw_ostream& O) {
3071 // Emit file header.
3074 // Emit global option registration code.
3075 O << "namespace llvmc {\n"
3076 << "namespace autogenerated {\n\n";
3077 EmitOptionDefinitions(Data.OptDescs, Data.HasSink, O);
3078 O << "} // End namespace autogenerated.\n"
3079 << "} // End namespace llvmc.\n\n";
3081 // Emit hook declarations.
3082 O << "namespace hooks {\n";
3083 EmitHookDeclarations(Data.ToolDescs, Data.OptDescs, O);
3084 O << "} // End namespace hooks.\n\n";
3086 O << "namespace {\n\n";
3087 O << "using namespace llvmc::autogenerated;\n\n";
3089 // Emit Tool classes.
3090 for (ToolDescriptions::const_iterator B = Data.ToolDescs.begin(),
3091 E = Data.ToolDescs.end(); B!=E; ++B)
3092 EmitToolClassDefinition(*(*B), Data.OptDescs, O);
3094 // Emit Edge# classes.
3095 EmitEdgeClasses(Data.Edges, Data.OptDescs, O);
3097 O << "} // End anonymous namespace.\n\n";
3099 O << "namespace llvmc {\n";
3100 O << "namespace autogenerated {\n\n";
3102 // Emit PreprocessOptions() function.
3103 EmitPreprocessOptions(Records, Data.OptDescs, O);
3105 // Emit PopulateLanguageMap() function
3106 // (language map maps from file extensions to language names).
3107 EmitPopulateLanguageMap(Records, O);
3109 // Emit PopulateCompilationGraph() function.
3110 EmitPopulateCompilationGraph(Data.Edges, Data.ToolDescs, O);
3112 O << "} // End namespace autogenerated.\n";
3113 O << "} // End namespace llvmc.\n\n";
3119 // End of anonymous namespace
3122 /// run - The back-end entry point.
3123 void LLVMCConfigurationEmitter::run (raw_ostream &O) {
3127 CollectDriverData(Records, Data);
3128 CheckDriverData(Data);
3130 this->EmitSourceFileHeader("llvmc-based driver: auto-generated code", O);
3131 EmitDriverCode(Data, O);
3133 } catch (std::exception& Error) {
3134 throw Error.what() + std::string(" - usually this means a syntax error.");