source: src/AST/Print.cpp@ a16e246

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 stuck-waitfor-destruct
Last change on this file since a16e246 was a16e246, checked in by Aaron Moss <a3moss@…>, 7 years ago

Finish Expr printers
  • Property mode set to 100644
File size: 29.4 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 os << "Sizeof Expression on: ";
662 ++indent;
663 if ( node->type ) node->type->accept( *this );
664 else safe_print( node->expr );
665 --indent;
666 postprint( node );
667
668 return node;
669 }
670
671 virtual const ast::Expr * visit( const ast::AlignofExpr * node ) {
672 os << "Alignof Expression on: ";
673 ++indent;
674 if ( node->type ) node->type->accept( *this );
675 else safe_print( node->expr );
676 --indent;
677 postprint( node );
678
679 return node;
680 }
681
682 virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) {
683 os << "Untyped Offsetof Expression on member " << node->member << " of ";
684 ++indent;
685 safe_print( node->type );
686 --indent;
687 postprint( node );
688
689 return node;
690 }
691
692 virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) {
693 os << "Offsetof Expression on member " << node->member->name << " of ";
694 ++indent;
695 safe_print( node->type );
696 --indent;
697 postprint( node );
698
699 return node;
700 }
701
702 virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) {
703 os << "Offset Pack Expression on: ";
704 ++indent;
705 safe_print( node->type );
706 --indent;
707 postprint( node );
708
709 return node;
710 }
711
712 virtual const ast::Expr * visit( const ast::LogicalExpr * node ) {
713 os << "Short-circuited operation (" << (node->isAnd ? "and" : "or") << ") on: ";
714 safe_print( node->arg1 );
715 os << " and ";
716 safe_print( node->arg2 );
717 postprint( node );
718
719 return node;
720 }
721
722 virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) {
723 ++indent;
724 os << "Conditional expression on:" << std::endl << indent;
725 safe_print( node->arg1 );
726 os << indent-1 << "First alternative:" << std::endl << indent;
727 safe_print( node->arg2 );
728 os << indent-1 << "Second alternative:" << std::endl << indent;
729 safe_print( node->arg3 );
730 --indent;
731 postprint( node );
732
733 return node;
734 }
735
736 virtual const ast::Expr * visit( const ast::CommaExpr * node ) {
737 ++indent;
738 os << "Comma Expression:" << std::endl << indent;
739 safe_print( node->arg1 );
740 os << std::endl << indent;
741 safe_print( node->arg2 );
742 --indent;
743 postprint( node );
744
745 return node;
746 }
747
748 virtual const ast::Expr * visit( const ast::TypeExpr * node ) {
749 safe_print( node->type );
750 postprint( node );
751
752 return node;
753 }
754
755 virtual const ast::Expr * visit( const ast::AsmExpr * node ) {
756 os << "Asm Expression:" << std::endl;
757 ++indent;
758 if ( node->inout ) node->inout->accept( *this );
759 if ( node->constraint ) node->constraint->accept( *this );
760 if ( node->operand ) node->operand->accept( *this );
761 --indent;
762
763 return node;
764 }
765
766 virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) {
767 ++indent;
768 os << "Implicit Copy Constructor Expression:" << std::endl << indent;
769 safe_print( node->callExpr );
770 os << std::endl << indent-1 << "... with temporaries:" << std::endl;
771 printAll( node->tempDecls );
772 os << std::endl << indent-1 << "... with return temporaries:" << std::endl;
773 printAll( node->returnDecls );
774 --indent;
775 postprint( node );
776
777 return node;
778 }
779
780 virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) {
781 os << "Constructor Expression:" << std::endl << indent+1;
782 indent += 2;
783 safe_print( node->callExpr );
784 indent -= 2;
785 postprint( node );
786
787 return node;
788 }
789
790 virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) {
791 ++indent;
792 os << "Compound Literal Expression: " << std::endl << indent;
793 safe_print( node->result );
794 os << indent;
795 safe_print( node->init );
796 --indent;
797 postprint( node );
798
799 return node;
800 }
801
802 virtual const ast::Expr * visit( const ast::RangeExpr * node ) {
803 os << "Range Expression: ";
804 safe_print( node->low );
805 os << " ... ";
806 safe_print( node->high );
807 postprint( node );
808
809 return node;
810 }
811
812 virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) {
813 os << "Untyped Tuple:" << std::endl;
814 ++indent;
815 printAll( node->exprs );
816 --indent;
817 postprint( node );
818
819 return node;
820 }
821
822 virtual const ast::Expr * visit( const ast::TupleExpr * node ) {
823 os << "Tuple:" << std::endl;
824 ++indent;
825 printAll( node->exprs );
826 --indent;
827 postprint( node );
828
829 return node;
830 }
831
832 virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) {
833 os << "Tuple Index Expression, with tuple:" << std::endl;
834 ++indent;
835 os << indent;
836 safe_print( node->tuple );
837 os << indent << "with index: " << node->index << std::endl;
838 --indent;
839 postprint( node );
840
841 return node;
842 }
843
844 virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) {
845 os << "Tuple Assignment Expression, with stmt expr:" << std::endl;
846 ++indent;
847 os << indent;
848 safe_print( node->stmtExpr );
849 --indent;
850 postprint( node );
851
852 return node;
853 }
854
855 virtual const ast::Expr * visit( const ast::StmtExpr * node ) {
856 ++indent;
857 os << "Statement Expression:" << std::endl << indent;
858 safe_print( node->stmts );
859 if ( ! node->returnDecls.empty() ) {
860 os << indent << "... with returnDecls: ";
861 printAll( node->returnDecls );
862 }
863 if ( ! node->dtors.empty() ) {
864 os << indent << "... with dtors: ";
865 printAll( node->dtors );
866 }
867 --indent;
868 postprint( node );
869
870 return node;
871 }
872
873 virtual const ast::Expr * visit( const ast::UniqueExpr * node ) {
874 ++indent;
875 os << "Unique Expression with id: " << node->id << std::endl << indent;
876 safe_print( node->expr );
877 if ( node->object ) {
878 os << indent-1 << "... with decl: ";
879 short_print( node->object );
880 }
881 --indent;
882 postprint( node );
883
884 return node;
885 }
886
887 virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) {
888 ++indent;
889 os << "Untyped Init Expression" << std::endl << indent;
890 safe_print( node->expr );
891 if ( ! node->initAlts.empty() ) {
892 for ( const InitAlternative & alt : node->initAlts ) {
893 os << indent << "InitAlternative: ";
894 safe_print( alt.type );
895 safe_print( alt.designation );
896 }
897 }
898 --indent;
899
900 return node;
901 }
902
903 virtual const ast::Expr * visit( const ast::InitExpr * node ) {
904 ++indent;
905 os << "Init Expression" << std::endl << indent;
906 safe_print( node->expr );
907 os << indent << "... with designation: ";
908 safe_print( node->designation );
909 --indent;
910
911 return node;
912 }
913
914 virtual const ast::Expr * visit( const ast::DeletedExpr * node ) {
915 ++indent;
916 os << "Deleted Expression" << std::endl << indent;
917 safe_print( node->expr );
918 os << std::endl << indent << "... deleted by: ";
919 safe_print( node->deleteStmt );
920 --indent;
921
922 return node;
923 }
924
925 virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) {
926 ++indent;
927 os << "Default Argument Expression" << std::endl << indent;
928 safe_print( node->expr );
929 --indent;
930
931 return node;
932 }
933
934 virtual const ast::Expr * visit( const ast::GenericExpr * node ) {
935 ++indent;
936 os << "C11 _Generic Expression" << std::endl << indent;
937 safe_print( node->control );
938 os << std::endl << indent << "... with associations:" << std::endl;
939 for ( const auto & assoc : node->associations ) {
940 os << indent;
941 if ( assoc.type ) {
942 os << "... type: ";
943 assoc.type->accept( *this );
944 os << std::endl << indent << "... expression: ";
945 safe_print( assoc.expr );
946 } else {
947 os << "... default: ";
948 safe_print( assoc.expr );
949 }
950 os << std::endl;
951 }
952 --indent;
953
954 return node;
955 }
956
957 virtual const ast::Type * visit( const ast::VoidType * node ) {
958 preprint( node );
959 os << "void";
960 return node;
961 }
962
963 virtual const ast::Type * visit( const ast::BasicType * node ) {
964 preprint( node );
965 os << ast::BasicType::typeNames[ node->kind ];
966 return node;
967 }
968
969 virtual const ast::Type * visit( const ast::PointerType * node ) {
970 preprint( node );
971 if ( ! node->isArray() ) {
972 os << "pointer to ";
973 } else {
974 os << "decayed ";
975 if ( node->isStatic ) {
976 os << "static ";
977 }
978
979 if ( node->isVarLen ) {
980 os << "variable length array of ";
981 } else if ( node->dimension ) {
982 os << "array of ";
983 node->dimension->accept( *this );
984 os << " ";
985 }
986 }
987 safe_print( node->base );
988
989 return node;
990 }
991
992 virtual const ast::Type * visit( const ast::ArrayType * node ) {
993 preprint( node );
994 if ( node->isStatic ) {
995 os << "static ";
996 }
997
998 if ( node->isVarLen ) {
999 os << "variable length array of ";
1000 } else if ( node->dimension ) {
1001 os << "array of ";
1002 } else {
1003 os << "open array of ";
1004 }
1005
1006 safe_print( node->base );
1007
1008 if ( node->dimension ) {
1009 os << " with dimension of ";
1010 node->dimension->accept( *this );
1011 }
1012
1013 return node;
1014 }
1015
1016 virtual const ast::Type * visit( const ast::ReferenceType * node ) {
1017 preprint( node );
1018 os << "reference to ";
1019 safe_print( node->base );
1020
1021 return node;
1022 }
1023
1024 virtual const ast::Type * visit( const ast::QualifiedType * node ) {
1025 preprint( node );
1026 ++indent;
1027 os << "Qualified Type:" << std::endl << indent;
1028 safe_print( node->parent );
1029 os << std::endl << indent;
1030 safe_print( node->child );
1031 os << std::endl;
1032 --indent;
1033
1034 return node;
1035 }
1036
1037 virtual const ast::Type * visit( const ast::FunctionType * node ) {
1038 preprint( node );
1039
1040 os << "function" << std::endl;
1041 if ( ! node->params.empty() ) {
1042 os << indent << "... with parameters" << std::endl;
1043 ++indent;
1044 printAll( node->params );
1045 if ( node->isVarArgs ) {
1046 os << indent << "and a variable number of other arguments" << std::endl;
1047 }
1048 --indent;
1049 } else if ( node->isVarArgs ) {
1050 os << indent+1 << "accepting unspecified arguments" << std::endl;
1051 }
1052
1053 os << indent << "... returning";
1054 if ( node->returns.empty() ) {
1055 os << " nothing" << std::endl;
1056 } else {
1057 os << std::endl;
1058 ++indent;
1059 printAll( node->returns );
1060 --indent;
1061 }
1062
1063 return node;
1064 }
1065
1066 virtual const ast::Type * visit( const ast::StructInstType * node ) {
1067 preprint( node );
1068 os << "instance of struct " << node->name;
1069 if ( node->base ) {
1070 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1071 }
1072 print( node->params );
1073
1074 return node;
1075 }
1076
1077 virtual const ast::Type * visit( const ast::UnionInstType * node ) {
1078 preprint( node );
1079 os << "instance of union " << node->name;
1080 if ( node->base ) {
1081 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1082 }
1083 print( node->params );
1084
1085 return node;
1086 }
1087
1088 virtual const ast::Type * visit( const ast::EnumInstType * node ) {
1089 preprint( node );
1090 os << "instance of enum " << node->name;
1091 if ( node->base ) {
1092 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1093 }
1094 print( node->params );
1095
1096 return node;
1097 }
1098
1099 virtual const ast::Type * visit( const ast::TraitInstType * node ) {
1100 preprint( node );
1101 os << "instance of trait " << node->name;
1102 print( node->params );
1103
1104 return node;
1105 }
1106
1107 virtual const ast::Type * visit( const ast::TypeInstType * node ) {
1108 preprint( node );
1109 os << "instance of type " << node->name
1110 << " (" << (node->kind == ast::TypeVar::Ftype ? "" : "not ") << "function type)";
1111 print( node->params );
1112
1113 return node;
1114 }
1115
1116 virtual const ast::Type * visit( const ast::TupleType * node ) {
1117 preprint( node );
1118 os << "tuple of types" << std::endl;
1119 ++indent;
1120 printAll( node->types );
1121 --indent;
1122
1123 return node;
1124 }
1125
1126 virtual const ast::Type * visit( const ast::TypeofType * node ) {
1127 preprint( node );
1128 if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
1129 os << "type-of expression ";
1130 safe_print( node->expr );
1131
1132 return node;
1133 }
1134
1135 virtual const ast::Type * visit( const ast::VarArgsType * node ) {
1136 preprint( node );
1137 os << "builtin var args pack";
1138 return node;
1139 }
1140
1141 virtual const ast::Type * visit( const ast::ZeroType * node ) {
1142 preprint( node );
1143 os << "zero_t";
1144 return node;
1145 }
1146
1147 virtual const ast::Type * visit( const ast::OneType * node ) {
1148 preprint( node );
1149 os << "one_t";
1150 return node;
1151 }
1152
1153 virtual const ast::Type * visit( const ast::GlobalScopeType * node ) {
1154 preprint( node );
1155 os << "Global Scope Type";
1156 return node;
1157 }
1158
1159 virtual const ast::Designation * visit( const ast::Designation * node ) {
1160 if ( node->designators.empty() ) return node;
1161 os << "... designated by: " << std::endl;
1162 ++indent;
1163 for ( const ast::Expr * d : node->designators ) {
1164 os << indent;
1165 d->accept( *this );
1166 os << std::endl;
1167 }
1168 --indent;
1169 return node;
1170 }
1171
1172 virtual const ast::Init * visit( const ast::SingleInit * node ) {
1173 os << "Simple Initializer: ";
1174 safe_print( node->value );
1175 return node;
1176 }
1177
1178 virtual const ast::Init * visit( const ast::ListInit * node ) {
1179 os << "Compound initializer: " << std::endl;
1180 ++indent;
1181 for ( auto p : group_iterate( node->designations, node->initializers ) ) {
1182 const ast::Designation * d = std::get<0>(p);
1183 const ast::Init * init = std::get<1>(p);
1184 os << indent;
1185 init->accept( *this );
1186 os << std::endl;
1187 if ( ! d->designators.empty() ) {
1188 os << indent;
1189 d->accept( *this );
1190 }
1191 }
1192 --indent;
1193 return node;
1194 }
1195
1196 virtual const ast::Init * visit( const ast::ConstructorInit * node ) {
1197 os << "Constructor initializer: " << std::endl;
1198 if ( node->ctor ) {
1199 os << indent << "... initially constructed with ";
1200 ++indent;
1201 node->ctor->accept( *this );
1202 --indent;
1203 }
1204
1205 if ( node->dtor ) {
1206 os << indent << "... destructed with ";
1207 ++indent;
1208 node->dtor->accept( *this );
1209 --indent;
1210 }
1211
1212 if ( node->init ) {
1213 os << indent << "... with fallback C-style initializer: ";
1214 ++indent;
1215 node->init->accept( *this );
1216 --indent;
1217 }
1218 return node;
1219 }
1220
1221 virtual const ast::Attribute * visit( const ast::Attribute * node ) {
1222 if ( node->empty() ) return node;
1223 os << "Attribute with name: " << node->name;
1224 if ( node->params.empty() ) return node;
1225 os << " with parameters: " << std::endl;
1226 ++indent;
1227 printAll( node->params );
1228 --indent;
1229 return node;
1230 }
1231
1232 virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) {
1233 os << indent << "Types:" << std::endl;
1234 for ( const auto& i : *node ) {
1235 os << indent+1 << i.first << " -> ";
1236 indent += 2;
1237 safe_print( i.second );
1238 indent -= 2;
1239 os << std::endl;
1240 }
1241 os << indent << "Non-types:" << std::endl;
1242 for ( auto i = node->beginVar(); i != node->endVar(); ++i ) {
1243 os << indent+1 << i->first << " -> ";
1244 indent += 2;
1245 safe_print( i->second );
1246 indent -= 2;
1247 os << std::endl;
1248 }
1249 return node;
1250 }
1251
1252};
1253
1254void print( ostream & os, const ast::Node * node, Indenter indent ) {
1255 Printer printer { os, indent, false };
1256 node->accept(printer);
1257}
1258
1259void printShort( ostream & os, const ast::Node * node, Indenter indent ) {
1260 Printer printer { os, indent, true };
1261 node->accept(printer);
1262}
1263
1264// Annoyingly these needed to be defined out of line to avoid undefined references.
1265// The size here needs to be explicit but at least the compiler will produce an error
1266// if the wrong size is specified
1267constexpr array<const char*, 3> Printer::Names::FuncSpecifiers;
1268constexpr array<const char*, 5> Printer::Names::StorageClasses;
1269constexpr array<const char*, 6> Printer::Names::Qualifiers;
1270}
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