source: src/AST/Print.cpp@ 20a5977

ADT arm-eh ast-experimental cleanup-dtors enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 20a5977 was 20a5977, checked in by Aaron Moss <a3moss@…>, 6 years ago

Added kind to ConstantExpr and some Expr prints
  • Property mode set to 100644
File size: 24.5 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// Print.cpp --
8//
9// Author : Thierry Delisle
10// Created On : Tue May 21 16:20:15 2019
11// Last Modified By :
12// Last Modified On :
13// Update Count :
14//
15
16#include "Print.hpp"
17
18#include "Decl.hpp"
19#include "Expr.hpp"
20#include "Stmt.hpp"
21#include "Type.hpp"
22#include "TypeSubstitution.hpp"
23
24#include "Common/utility.h" // for group_iterate
25
26using namespace std;
27
28namespace ast {
29
30template <typename C, typename... T>
31constexpr auto make_array(T&&... values) ->
32 array<C,sizeof...(T)>
33{
34 return array<C,sizeof...(T)>{
35 forward<T>(values)...
36 };
37}
38
39class Printer : public Visitor {
40public:
41 ostream & os;
42 Indenter indent;
43 bool short_mode;
44
45 Printer(ostream & os, Indenter indent, bool short_mode) : os( os ), indent( indent ), short_mode(short_mode) {}
46
47private:
48 template< typename C >
49 void printAll( const C & c ) {
50 for ( const auto & i : c ) {
51 if ( i ) {
52 os << indent;
53 i->accept( *this );
54 // need an endl after each element because it's not
55 // easy to know when each individual item should end
56 os << endl;
57 } // if
58 } // for
59 }
60
61 /// call if mandatory field is missing
62 void undefined() {
63 os << "UNDEFINED";
64 }
65
66 /// call for fields that should be mandatory
67 void safe_print( const ast::Node * n ) {
68 if ( n ) n->accept( *this );
69 else undefined();
70 }
71
72 /// call to print short form. Incorporates features of safe_print()
73 void short_print( const ast::Node * n ) {
74 if ( ! n ) { undefined(); return; }
75 bool old_short = short_mode; short_mode = true;
76 n->accept( *this );
77 short_mode = old_short;
78 }
79
80
81 static const char* Names[];
82
83 struct Names {
84 static constexpr auto FuncSpecifiers = make_array<const char*>(
85 "inline", "_Noreturn", "fortran"
86 );
87
88 static constexpr auto StorageClasses = make_array<const char*>(
89 "extern", "static", "auto", "register", "_Thread_local"
90 );
91
92 static constexpr auto Qualifiers = make_array<const char*>(
93 "const", "restrict", "volatile", "lvalue", "mutex", "_Atomic"
94 );
95 };
96
97 template<typename storage_t, size_t N>
98 void print(const storage_t & storage, const array<const char *, N> & Names ) {
99 if ( storage.any() ) {
100 for ( size_t i = 0; i < Names.size(); i += 1 ) {
101 if ( storage[i] ) {
102 os << Names[i] << ' ';
103 }
104 }
105 }
106 }
107
108 void print( const ast::Function::Specs & specs ) {
109 print(specs, Names::FuncSpecifiers);
110 }
111
112 void print( const ast::Storage::Classes & storage ) {
113 print(storage, Names::StorageClasses);
114 }
115
116 void print( const ast::CV::Qualifiers & qualifiers ) {
117 print(qualifiers, Names::Qualifiers);
118 }
119
120 void print( const ast::Expr::InferUnion & inferred, unsigned level = 0 ) {
121 switch ( inferred.mode ) {
122 case ast::Expr::InferUnion::Empty: return;
123 case ast::Expr::InferUnion::Slots: {
124 os << indent << "with " << inferred.data.resnSlots.size() << " pending inference slots"
125 << std::endl;
126 return;
127 }
128 case ast::Expr::InferUnion::Params: {
129 os << indent << "with inferred parameters " << level << ":" << std::endl;
130 ++indent;
131 for ( const auto & i : inferred.data.inferParams ) {
132 os << indent;
133 short_print( Decl::fromId( i.second.decl ) );
134 os << std::endl;
135 print( i.second.expr->inferred, level+1 );
136 }
137 --indent;
138 return;
139 }
140 }
141 }
142
143 void print( const ast::ParameterizedType::ForallList & forall ) {
144 if ( forall.empty() ) return;
145 os << "forall" << std::endl;
146 ++indent;
147 printAll( forall );
148 os << indent;
149 --indent;
150 }
151
152 void print( const std::vector<ptr<Attribute>> & attrs ) {
153 if ( attrs.empty() ) return;
154 os << "with attributes" << std::endl;
155 ++indent;
156 printAll( attrs );
157 --indent;
158 }
159
160 void print( const std::vector<ptr<Expr>> & params ) {
161 if ( params.empty() ) return;
162 os << std::endl << indent << "... with parameters" << std::endl;
163 ++indent;
164 printAll( params );
165 --indent;
166 }
167
168 void print( const ast::AggregateDecl * node ) {
169 os << node->typeString() << " " << node->name << ":";
170 if ( node->linkage != Linkage::Cforall ) {
171 os << " " << Linkage::name( node->linkage );
172 } // if
173 os << " with body : " << (node->body ? "yes " : "no ");
174
175 if ( ! node->params.empty() ) {
176 os << endl << indent << "... with parameters" << endl;
177 ++indent;
178 printAll( node->params );
179 --indent;
180 } // if
181 if ( ! node->members.empty() ) {
182 os << endl << indent << "... with members" << endl;
183 ++indent;
184 printAll( node->members );
185 --indent;
186 } // if
187 if ( ! node->attributes.empty() ) {
188 os << endl << indent << "... with attributes" << endl;
189 ++indent;
190 printAll( node->attributes );
191 --indent;
192 } // if
193 os << endl;
194 }
195
196 void print( const ast::NamedTypeDecl * node ) {
197 if ( !node->name.empty() ) os << node->name << ": ";
198
199 if ( node->linkage != Linkage::Cforall ) {
200 os << Linkage::name( node->linkage ) << " ";
201 } // if
202 print( node->storage );
203 os << node->typeString();
204 if ( node->base ) {
205 os << " for ";
206 ++indent;
207 node->base->accept( *this );
208 --indent;
209 } // if
210 if ( ! node->params.empty() ) {
211 os << endl << indent << "... with parameters" << endl;
212 ++indent;
213 printAll( node->params );
214 --indent;
215 } // if
216 if ( ! node->assertions.empty() ) {
217 os << endl << indent << "... with assertions" << endl;
218 ++indent;
219 printAll( node->assertions );
220 --indent;
221 } // if
222 }
223
224 void postprint( const ast::Expr * node ) {
225 print( node->inferred );
226
227 if ( node->env ) {
228 os << std::endl << indent << "... with environment:" << std::endl;
229 ++indent;
230 node->env->accept( *this );
231 --indent;
232 }
233
234 if ( node->extension ) {
235 os << std::endl << indent << "... with extension";
236 }
237 }
238
239 void preprint( const ast::Type * node ) {
240 print( node->qualifiers );
241 }
242
243 void preprint( const ast::ParameterizedType * node ) {
244 print( node->forall );
245 print( node->qualifiers );
246 }
247
248 void preprint( const ast::ReferenceToType * node ) {
249 print( node->forall );
250 print( node->attributes );
251 print( node->qualifiers );
252 }
253
254public:
255 virtual const ast::DeclWithType * visit( const ast::ObjectDecl * node ) {
256 if ( !node->name.empty() ) os << node->name << ": ";
257
258 if ( node->linkage != Linkage::Cforall ) {
259 os << Linkage::name( node->linkage ) << " ";
260 } // if
261
262 print( node->storage );
263
264 if ( node->type ) {
265 node->type->accept( *this );
266 } else {
267 os << "untyped entity";
268 } // if
269
270 if ( node->init ) {
271 os << " with initializer (" << (
272 node->init->maybeConstructed
273 ? "maybe constructed"
274 : "not constructed"
275 ) << ")" << endl << indent+1;
276
277 ++indent;
278 node->init->accept( *this );
279 --indent;
280 os << endl;
281 } // if
282
283 if ( ! node->attributes.empty() ) {
284 os << endl << indent << "... with attributes:" << endl;
285 ++indent;
286 printAll( node->attributes );
287 --indent;
288 }
289
290 if ( node->bitfieldWidth ) {
291 os << indent << " with bitfield width ";
292 node->bitfieldWidth->accept( *this );
293 } // if
294 return node;
295 }
296
297 virtual const ast::DeclWithType * visit( const ast::FunctionDecl * node ) {
298 if ( !node->name.empty() ) {
299 os << node->name << ": ";
300 } // if
301 if ( node->linkage != Linkage::Cforall ) {
302 os << Linkage::name( node->linkage ) << " ";
303 } // if
304
305 printAll( node->attributes );
306
307 print( node->storage );
308 print( node->funcSpec );
309
310 if ( node->type ) {
311 node->type->accept( *this );
312 } else {
313 os << "untyped entity";
314 } // if
315
316 if ( node->stmts ) {
317 os << indent << "... with body" << endl << indent+1;
318 ++indent;
319 node->stmts->accept( *this );
320 --indent;
321 } // if
322 return node;
323 }
324
325 virtual const ast::Decl * visit( const ast::StructDecl * node ) {
326 print(node);
327 return node;
328 }
329
330 virtual const ast::Decl * visit( const ast::UnionDecl * node ) {
331 print(node);
332 return node;
333 }
334
335 virtual const ast::Decl * visit( const ast::EnumDecl * node ) {
336 print(node);
337 return node;
338 }
339
340 virtual const ast::Decl * visit( const ast::TraitDecl * node ) {
341 print(node);
342 return node;
343 }
344
345 virtual const ast::Decl * visit( const ast::TypeDecl * node ) {
346 print( node );
347 if ( node->init ) {
348 os << endl << indent << "with type initializer: ";
349 ++indent;
350 node->init->accept( *this );
351 --indent;
352 }
353 return node;
354 }
355
356 virtual const ast::Decl * visit( const ast::TypedefDecl * node ) {
357 print( node );
358 return node;
359 }
360
361 virtual const ast::AsmDecl * visit( const ast::AsmDecl * node ) {
362 node->stmt->accept( *this );
363 return node;
364 }
365
366 virtual const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) {
367 os << "Static Assert with condition: ";
368 ++indent;
369 node->cond->accept( *this );
370 --indent;
371 os << endl << indent << "and message: ";
372 ++indent;
373 node->msg->accept( *this );
374 --indent;
375 os << endl;
376 return node;
377 }
378
379 virtual const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) {
380 os << "CompoundStmt" << endl;
381 ++indent;
382 printAll( node->kids );
383 --indent;
384 return node;
385 }
386
387 virtual const ast::Stmt * visit( const ast::ExprStmt * node ) {
388 ++indent;
389 os << "Expression Statement:" << endl << indent;
390 safe_print( node->expr );
391 --indent;
392 return node;
393 }
394
395 virtual const ast::Stmt * visit( const ast::AsmStmt * node ) {
396 os << "Assembler Statement:" << endl;
397 ++indent;
398 os << indent << "instruction: " << endl << indent;
399 node->instruction->accept( *this );
400 if ( ! node->output.empty() ) {
401 os << endl << indent+1 << "output: " << endl;
402 printAll( node->output );
403 } // if
404 if ( ! node->input.empty() ) {
405 os << indent+1 << "input: " << endl;
406 printAll( node->input );
407 } // if
408 if ( ! node->clobber.empty() ) {
409 os << indent+1 << "clobber: " << endl;
410 printAll( node->clobber );
411 } // if
412 --indent;
413 return node;
414 }
415
416 virtual const ast::Stmt * visit( const ast::DirectiveStmt * node ) {
417 os << "GCC Directive:" << node->directive << endl;
418 return node;
419 }
420
421 virtual const ast::Stmt * visit( const ast::IfStmt * node ) {
422 os << "If on condition: " << endl;
423 os << indent+1;
424 ++indent;
425 safe_print( node->cond );
426 --indent;
427
428 if ( !node->inits.empty() ) {
429 os << indent << "... with initialization: \n";
430 ++indent;
431 for ( const Stmt * stmt : node->inits ) {
432 os << indent;
433 stmt->accept( *this );
434 }
435 --indent;
436 os << endl;
437 }
438
439 os << indent << "... then: " << endl;
440
441 ++indent;
442 os << indent;
443 safe_print( node->thenPart );
444 --indent;
445
446 if ( node->elsePart != 0 ) {
447 os << indent << "... else: " << endl;
448 ++indent;
449 os << indent;
450 node->elsePart->accept( *this );
451 --indent;
452 } // if
453 return node;
454 }
455
456 virtual const ast::Stmt * visit( const ast::WhileStmt * node ) {
457 return node;
458 }
459
460 virtual const ast::Stmt * visit( const ast::ForStmt * node ) {
461 return node;
462 }
463
464 virtual const ast::Stmt * visit( const ast::SwitchStmt * node ) {
465 return node;
466 }
467
468 virtual const ast::Stmt * visit( const ast::CaseStmt * node ) {
469 return node;
470 }
471
472 virtual const ast::Stmt * visit( const ast::BranchStmt * node ) {
473 return node;
474 }
475
476 virtual const ast::Stmt * visit( const ast::ReturnStmt * node ) {
477 return node;
478 }
479
480 virtual const ast::Stmt * visit( const ast::ThrowStmt * node ) {
481 return node;
482 }
483
484 virtual const ast::Stmt * visit( const ast::TryStmt * node ) {
485 return node;
486 }
487
488 virtual const ast::Stmt * visit( const ast::CatchStmt * node ) {
489 return node;
490 }
491
492 virtual const ast::Stmt * visit( const ast::FinallyStmt * node ) {
493 return node;
494 }
495
496 virtual const ast::Stmt * visit( const ast::WaitForStmt * node ) {
497 return node;
498 }
499
500 virtual const ast::Stmt * visit( const ast::WithStmt * node ) {
501 return node;
502 }
503
504 virtual const ast::NullStmt * visit( const ast::NullStmt * node ) {
505 return node;
506 }
507
508 virtual const ast::Stmt * visit( const ast::DeclStmt * node ) {
509 return node;
510 }
511
512 virtual const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) {
513 return node;
514 }
515
516 virtual const ast::Expr * visit( const ast::ApplicationExpr * node ) {
517 ++indent;
518 os << "Application of" << std::endl << indent;
519 safe_print( node->func );
520 os << std::endl;
521 if ( ! node->args.empty() ) {
522 os << indent << "... to arguments" << std::endl;
523 printAll( node->args );
524 }
525 --indent;
526 postprint( node );
527
528 return node;
529 }
530
531 virtual const ast::Expr * visit( const ast::UntypedExpr * node ) {
532 ++indent;
533 os << "Applying untyped:" << std::endl;
534 os << indent;
535 safe_print( node->func );
536 os << std::endl << indent-1 << "...to:" << std::endl;
537 printAll( node->args );
538 --indent;
539 postprint( node );
540
541 return node;
542 }
543
544 virtual const ast::Expr * visit( const ast::NameExpr * node ) {
545 os << "Name: " << node->name;
546 postprint( node );
547
548 return node;
549 }
550
551 virtual const ast::Expr * visit( const ast::AddressExpr * node ) {
552 os << "Address of:" << std::endl;
553 ++indent;
554 os << indent;
555 safe_print( node->arg );
556
557 --indent;
558
559 return node;
560 }
561
562 virtual const ast::Expr * visit( const ast::LabelAddressExpr * node ) {
563 os << "Address of label:" << node->arg;
564
565 return node;
566 }
567
568 virtual const ast::Expr * visit( const ast::CastExpr * node ) {
569 ++indent;
570 os << (node->isGenerated ? "Generated" : "Explicit") << " cast of:" << std::endl << indent;
571 safe_print( node->arg );
572 os << std::endl << indent-1 << "... to:";
573 if ( ! node->result ) {
574 os << " ";
575 undefined();
576 } else if ( node->result->isVoid() ) {
577 os << " nothing";
578 } else {
579 os << std::endl << indent;
580 node->result->accept( *this );
581 } // if
582 --indent;
583 postprint( node );
584
585 return node;
586 }
587
588 virtual const ast::Expr * visit( const ast::KeywordCastExpr * node ) {
589 ++indent;
590 os << "Keyword Cast of:" << std::endl << indent;
591 safe_print( node->arg );
592 --indent;
593 os << std::endl << indent << "... to: " << node->targetString();
594 postprint( node );
595
596 return node;
597 }
598
599 virtual const ast::Expr * visit( const ast::VirtualCastExpr * node ) {
600 ++indent;
601 os << "Virtual Cast of:" << std::endl << indent;
602 safe_print( node->arg );
603 os << std::endl << indent-1 << "... to:";
604 if ( ! node->result ) {
605 os << " unknown";
606 } else {
607 os << std::endl << indent;
608 node->result->accept( *this );
609 }
610 --indent;
611 postprint( node );
612
613 return node;
614 }
615
616 virtual const ast::Expr * visit( const ast::UntypedMemberExpr * node ) {
617 ++indent;
618 os << "Untyped Member Expression, with field: " << std::endl << indent;
619 safe_print( node->member );
620 os << indent-1 << "... from aggregate:" << std::endl << indent;
621 safe_print( node->aggregate );
622 --indent;
623 postprint( node );
624
625 return node;
626 }
627
628 virtual const ast::Expr * visit( const ast::MemberExpr * node ) {
629 ++indent;
630 os << "Member Expression, with field:" << std::endl << indent;
631 safe_print( node->member );
632 os << std::endl << indent-1 << "... from aggregate:" << std::endl << indent;
633 safe_print( node->aggregate );
634 --indent;
635 postprint( node );
636
637 return node;
638 }
639
640 virtual const ast::Expr * visit( const ast::VariableExpr * node ) {
641 os << "Variable Expression: ";
642 short_print( node->var );
643 postprint( node );
644
645 return node;
646 }
647
648 virtual const ast::Expr * visit( const ast::ConstantExpr * node ) {
649 os << "Constant Expression (" << node->rep;
650 if ( node->result ) {
651 os << ": ";
652 node->result->accept( *this );
653 }
654 os << ")";
655 postprint( node );
656
657 return node;
658 }
659
660 virtual const ast::Expr * visit( const ast::SizeofExpr * node ) {
661 return node;
662 }
663
664 virtual const ast::Expr * visit( const ast::AlignofExpr * node ) {
665 return node;
666 }
667
668 virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) {
669 return node;
670 }
671
672 virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) {
673 return node;
674 }
675
676 virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) {
677 return node;
678 }
679
680 virtual const ast::Expr * visit( const ast::LogicalExpr * node ) {
681 return node;
682 }
683
684 virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) {
685 return node;
686 }
687
688 virtual const ast::Expr * visit( const ast::CommaExpr * node ) {
689 return node;
690 }
691
692 virtual const ast::Expr * visit( const ast::TypeExpr * node ) {
693 return node;
694 }
695
696 virtual const ast::Expr * visit( const ast::AsmExpr * node ) {
697 return node;
698 }
699
700 virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) {
701 return node;
702 }
703
704 virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) {
705 return node;
706 }
707
708 virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) {
709 return node;
710 }
711
712 virtual const ast::Expr * visit( const ast::RangeExpr * node ) {
713 return node;
714 }
715
716 virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) {
717 return node;
718 }
719
720 virtual const ast::Expr * visit( const ast::TupleExpr * node ) {
721 return node;
722 }
723
724 virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) {
725 return node;
726 }
727
728 virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) {
729 return node;
730 }
731
732 virtual const ast::Expr * visit( const ast::StmtExpr * node ) {
733 return node;
734 }
735
736 virtual const ast::Expr * visit( const ast::UniqueExpr * node ) {
737 return node;
738 }
739
740 virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) {
741 return node;
742 }
743
744 virtual const ast::Expr * visit( const ast::InitExpr * node ) {
745 return node;
746 }
747
748 virtual const ast::Expr * visit( const ast::DeletedExpr * node ) {
749 return node;
750 }
751
752 virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) {
753 return node;
754 }
755
756 virtual const ast::Expr * visit( const ast::GenericExpr * node ) {
757 return node;
758 }
759
760 virtual const ast::Type * visit( const ast::VoidType * node ) {
761 preprint( node );
762 os << "void";
763 return node;
764 }
765
766 virtual const ast::Type * visit( const ast::BasicType * node ) {
767 preprint( node );
768 os << ast::BasicType::typeNames[ node->kind ];
769 return node;
770 }
771
772 virtual const ast::Type * visit( const ast::PointerType * node ) {
773 preprint( node );
774 if ( ! node->isArray() ) {
775 os << "pointer to ";
776 } else {
777 os << "decayed ";
778 if ( node->isStatic ) {
779 os << "static ";
780 }
781
782 if ( node->isVarLen ) {
783 os << "variable length array of ";
784 } else if ( node->dimension ) {
785 os << "array of ";
786 node->dimension->accept( *this );
787 os << " ";
788 }
789 }
790 safe_print( node->base );
791
792 return node;
793 }
794
795 virtual const ast::Type * visit( const ast::ArrayType * node ) {
796 preprint( node );
797 if ( node->isStatic ) {
798 os << "static ";
799 }
800
801 if ( node->isVarLen ) {
802 os << "variable length array of ";
803 } else if ( node->dimension ) {
804 os << "array of ";
805 } else {
806 os << "open array of ";
807 }
808
809 safe_print( node->base );
810
811 if ( node->dimension ) {
812 os << " with dimension of ";
813 node->dimension->accept( *this );
814 }
815
816 return node;
817 }
818
819 virtual const ast::Type * visit( const ast::ReferenceType * node ) {
820 preprint( node );
821 os << "reference to ";
822 safe_print( node->base );
823
824 return node;
825 }
826
827 virtual const ast::Type * visit( const ast::QualifiedType * node ) {
828 preprint( node );
829 ++indent;
830 os << "Qualified Type:" << std::endl << indent;
831 safe_print( node->parent );
832 os << std::endl << indent;
833 safe_print( node->child );
834 os << std::endl;
835 --indent;
836
837 return node;
838 }
839
840 virtual const ast::Type * visit( const ast::FunctionType * node ) {
841 preprint( node );
842
843 os << "function" << std::endl;
844 if ( ! node->params.empty() ) {
845 os << indent << "... with parameters" << std::endl;
846 ++indent;
847 printAll( node->params );
848 if ( node->isVarArgs ) {
849 os << indent << "and a variable number of other arguments" << std::endl;
850 }
851 --indent;
852 } else if ( node->isVarArgs ) {
853 os << indent+1 << "accepting unspecified arguments" << std::endl;
854 }
855
856 os << indent << "... returning";
857 if ( node->returns.empty() ) {
858 os << " nothing" << std::endl;
859 } else {
860 os << std::endl;
861 ++indent;
862 printAll( node->returns );
863 --indent;
864 }
865
866 return node;
867 }
868
869 virtual const ast::Type * visit( const ast::StructInstType * node ) {
870 preprint( node );
871 os << "instance of struct " << node->name;
872 if ( node->base ) {
873 os << " " << ( node->base->body ? "with" : "without" ) << " body";
874 }
875 print( node->params );
876
877 return node;
878 }
879
880 virtual const ast::Type * visit( const ast::UnionInstType * node ) {
881 preprint( node );
882 os << "instance of union " << node->name;
883 if ( node->base ) {
884 os << " " << ( node->base->body ? "with" : "without" ) << " body";
885 }
886 print( node->params );
887
888 return node;
889 }
890
891 virtual const ast::Type * visit( const ast::EnumInstType * node ) {
892 preprint( node );
893 os << "instance of enum " << node->name;
894 if ( node->base ) {
895 os << " " << ( node->base->body ? "with" : "without" ) << " body";
896 }
897 print( node->params );
898
899 return node;
900 }
901
902 virtual const ast::Type * visit( const ast::TraitInstType * node ) {
903 preprint( node );
904 os << "instance of trait " << node->name;
905 print( node->params );
906
907 return node;
908 }
909
910 virtual const ast::Type * visit( const ast::TypeInstType * node ) {
911 preprint( node );
912 os << "instance of type " << node->name
913 << " (" << (node->kind == ast::TypeVar::Ftype ? "" : "not ") << "function type)";
914 print( node->params );
915
916 return node;
917 }
918
919 virtual const ast::Type * visit( const ast::TupleType * node ) {
920 preprint( node );
921 os << "tuple of types" << std::endl;
922 ++indent;
923 printAll( node->types );
924 --indent;
925
926 return node;
927 }
928
929 virtual const ast::Type * visit( const ast::TypeofType * node ) {
930 preprint( node );
931 if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
932 os << "type-of expression ";
933 safe_print( node->expr );
934
935 return node;
936 }
937
938 virtual const ast::Type * visit( const ast::VarArgsType * node ) {
939 preprint( node );
940 os << "builtin var args pack";
941 return node;
942 }
943
944 virtual const ast::Type * visit( const ast::ZeroType * node ) {
945 preprint( node );
946 os << "zero_t";
947 return node;
948 }
949
950 virtual const ast::Type * visit( const ast::OneType * node ) {
951 preprint( node );
952 os << "one_t";
953 return node;
954 }
955
956 virtual const ast::Type * visit( const ast::GlobalScopeType * node ) {
957 preprint( node );
958 os << "Global Scope Type";
959 return node;
960 }
961
962 virtual const ast::Designation * visit( const ast::Designation * node ) {
963 if ( node->designators.empty() ) return node;
964 os << "... designated by: " << std::endl;
965 ++indent;
966 for ( const ast::Expr * d : node->designators ) {
967 os << indent;
968 d->accept( *this );
969 os << std::endl;
970 }
971 --indent;
972 return node;
973 }
974
975 virtual const ast::Init * visit( const ast::SingleInit * node ) {
976 os << "Simple Initializer: ";
977 safe_print( node->value );
978 return node;
979 }
980
981 virtual const ast::Init * visit( const ast::ListInit * node ) {
982 os << "Compound initializer: " << std::endl;
983 ++indent;
984 for ( auto p : group_iterate( node->designations, node->initializers ) ) {
985 const ast::Designation * d = std::get<0>(p);
986 const ast::Init * init = std::get<1>(p);
987 os << indent;
988 init->accept( *this );
989 os << std::endl;
990 if ( ! d->designators.empty() ) {
991 os << indent;
992 d->accept( *this );
993 }
994 }
995 --indent;
996 return node;
997 }
998
999 virtual const ast::Init * visit( const ast::ConstructorInit * node ) {
1000 os << "Constructor initializer: " << std::endl;
1001 if ( node->ctor ) {
1002 os << indent << "... initially constructed with ";
1003 ++indent;
1004 node->ctor->accept( *this );
1005 --indent;
1006 }
1007
1008 if ( node->dtor ) {
1009 os << indent << "... destructed with ";
1010 ++indent;
1011 node->dtor->accept( *this );
1012 --indent;
1013 }
1014
1015 if ( node->init ) {
1016 os << indent << "... with fallback C-style initializer: ";
1017 ++indent;
1018 node->init->accept( *this );
1019 --indent;
1020 }
1021 return node;
1022 }
1023
1024 virtual const ast::Attribute * visit( const ast::Attribute * node ) {
1025 if ( node->empty() ) return node;
1026 os << "Attribute with name: " << node->name;
1027 if ( node->params.empty() ) return node;
1028 os << " with parameters: " << std::endl;
1029 ++indent;
1030 printAll( node->params );
1031 --indent;
1032 return node;
1033 }
1034
1035 virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) {
1036 os << indent << "Types:" << std::endl;
1037 for ( const auto& i : *node ) {
1038 os << indent+1 << i.first << " -> ";
1039 indent += 2;
1040 safe_print( i.second );
1041 indent -= 2;
1042 os << std::endl;
1043 }
1044 os << indent << "Non-types:" << std::endl;
1045 for ( auto i = node->beginVar(); i != node->endVar(); ++i ) {
1046 os << indent+1 << i->first << " -> ";
1047 indent += 2;
1048 safe_print( i->second );
1049 indent -= 2;
1050 os << std::endl;
1051 }
1052 return node;
1053 }
1054
1055};
1056
1057void print( ostream & os, const ast::Node * node, Indenter indent ) {
1058 Printer printer { os, indent, false };
1059 node->accept(printer);
1060}
1061
1062void printShort( ostream & os, const ast::Node * node, Indenter indent ) {
1063 Printer printer { os, indent, true };
1064 node->accept(printer);
1065}
1066
1067// Annoyingly these needed to be defined out of line to avoid undefined references.
1068// The size here needs to be explicit but at least the compiler will produce an error
1069// if the wrong size is specified
1070constexpr array<const char*, 3> Printer::Names::FuncSpecifiers;
1071constexpr array<const char*, 5> Printer::Names::StorageClasses;
1072constexpr array<const char*, 6> Printer::Names::Qualifiers;
1073}
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