source: src/AST/Print.cpp@ 6f096d2

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 6f096d2 was 1259c35, checked in by Thierry Delisle <tdelisle@…>, 6 years ago

Merge branch 'master' into cleanup-dtors
  • Property mode set to 100644
File size: 34.4 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::Decl * 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 static const char* Names[];
81
82 struct Names {
83 static constexpr auto FuncSpecifiers = make_array<const char*>(
84 "inline", "_Noreturn", "fortran"
85 );
86
87 static constexpr auto StorageClasses = make_array<const char*>(
88 "extern", "static", "auto", "register", "_Thread_local"
89 );
90
91 static constexpr auto Qualifiers = make_array<const char*>(
92 "const", "restrict", "volatile", "lvalue", "mutex", "_Atomic"
93 );
94 };
95
96 template<typename storage_t, size_t N>
97 void print(const storage_t & storage, const array<const char *, N> & Names ) {
98 if ( storage.any() ) {
99 for ( size_t i = 0; i < Names.size(); i += 1 ) {
100 if ( storage[i] ) {
101 os << Names[i] << ' ';
102 }
103 }
104 }
105 }
106
107 void print( const ast::Function::Specs & specs ) {
108 print(specs, Names::FuncSpecifiers);
109 }
110
111 void print( const ast::Storage::Classes & storage ) {
112 print(storage, Names::StorageClasses);
113 }
114
115 void print( const ast::CV::Qualifiers & qualifiers ) {
116 print(qualifiers, Names::Qualifiers);
117 }
118
119 void print( const std::vector<ast::Label> & labels ) {
120 if ( labels.empty() ) return;
121 os << indent << "... Labels: {";
122 bool isFirst = true;
123 for ( const Label & l : labels ) {
124 if ( isFirst ) { isFirst = false; } else { os << ","; }
125 os << l;
126 }
127 os << "}" << endl;
128 }
129
130 void print( const ast::Expr::InferUnion & inferred, unsigned level = 0 ) {
131 switch ( inferred.mode ) {
132 case ast::Expr::InferUnion::Empty: return;
133 case ast::Expr::InferUnion::Slots: {
134 os << indent << "with " << inferred.data.resnSlots.size()
135 << " pending inference slots" << endl;
136 return;
137 }
138 case ast::Expr::InferUnion::Params: {
139 os << indent << "with inferred parameters " << level << ":" << endl;
140 ++indent;
141 for ( const auto & i : inferred.data.inferParams ) {
142 os << indent;
143 short_print( Decl::fromId( i.second.decl ) );
144 os << endl;
145 print( i.second.expr->inferred, level+1 );
146 }
147 --indent;
148 return;
149 }
150 }
151 }
152
153 void print( const ast::ParameterizedType::ForallList & forall ) {
154 if ( forall.empty() ) return;
155 os << "forall" << endl;
156 ++indent;
157 printAll( forall );
158 os << indent;
159 --indent;
160 }
161
162 void print( const std::vector<ptr<Attribute>> & attrs ) {
163 if ( attrs.empty() ) return;
164 os << "with attributes" << endl;
165 ++indent;
166 printAll( attrs );
167 --indent;
168 }
169
170 void print( const std::vector<ptr<Expr>> & params ) {
171 if ( params.empty() ) return;
172 os << endl << indent << "... with parameters" << endl;
173 ++indent;
174 printAll( params );
175 --indent;
176 }
177
178 void print( const ast::AggregateDecl * node ) {
179 os << node->typeString() << " " << node->name;
180
181 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
182 os << " " << Linkage::name( node->linkage );
183 }
184
185 os << " " << (node->body ? "with" : "without") << " body";
186
187 if ( ! node->params.empty() ) {
188 os << endl << indent << "... with parameters" << endl;
189 ++indent;
190 printAll( node->params );
191 --indent;
192 }
193
194 if ( ! short_mode && ! node->members.empty() ) {
195 os << endl << indent << "... with members" << endl;
196 ++indent;
197 printAll( node->members );
198 --indent;
199 }
200
201 if ( ! short_mode && ! node->attributes.empty() ) {
202 os << endl << indent << "... with attributes" << endl;
203 ++indent;
204 printAll( node->attributes );
205 --indent;
206 }
207
208 os << endl;
209 }
210
211 void preprint( const ast::NamedTypeDecl * node ) {
212 if ( ! node->name.empty() ) os << node->name << ": ";
213
214 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
215 os << Linkage::name( node->linkage ) << " ";
216 }
217
218 print( node->storage );
219 os << node->typeString();
220
221 if ( node->base ) {
222 os << " for ";
223 ++indent;
224 node->base->accept( *this );
225 --indent;
226 }
227
228 if ( ! node->params.empty() ) {
229 os << endl << indent << "... with parameters" << endl;
230 ++indent;
231 printAll( node->params );
232 --indent;
233 }
234
235 if ( ! short_mode && ! node->assertions.empty() ) {
236 os << endl << indent << "... with assertions" << endl;
237 ++indent;
238 printAll( node->assertions );
239 --indent;
240 }
241 }
242
243 void postprint( const ast::Expr * node ) {
244 print( node->inferred );
245
246 if ( node->env ) {
247 os << endl << indent << "... with environment:" << endl;
248 ++indent;
249 node->env->accept( *this );
250 --indent;
251 }
252
253 if ( node->extension ) {
254 os << endl << indent << "... with extension";
255 }
256 }
257
258 void preprint( const ast::Type * node ) {
259 print( node->qualifiers );
260 }
261
262 void preprint( const ast::ParameterizedType * node ) {
263 print( node->forall );
264 print( node->qualifiers );
265 }
266
267 void preprint( const ast::ReferenceToType * node ) {
268 print( node->forall );
269 print( node->attributes );
270 print( node->qualifiers );
271 }
272
273public:
274 virtual const ast::DeclWithType * visit( const ast::ObjectDecl * node ) {
275 if ( ! node->name.empty() ) os << node->name << ": ";
276
277 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
278 os << Linkage::name( node->linkage ) << " ";
279 }
280
281 print( node->storage );
282
283 if ( node->type ) {
284 node->type->accept( *this );
285 } else {
286 os << "untyped entity";
287 }
288
289 if ( ! short_mode && node->init ) {
290 ++indent;
291 os << " with initializer (" << (
292 node->init->maybeConstructed
293 ? "maybe constructed"
294 : "not constructed"
295 ) << ")" << endl << indent;
296 node->init->accept( *this );
297 --indent;
298 os << endl;
299 }
300
301 if ( ! short_mode && ! node->attributes.empty() ) {
302 os << endl << indent << "... with attributes:" << endl;
303 ++indent;
304 printAll( node->attributes );
305 --indent;
306 }
307
308 if ( node->bitfieldWidth ) {
309 os << indent << " with bitfield width ";
310 node->bitfieldWidth->accept( *this );
311 }
312
313 return node;
314 }
315
316 virtual const ast::DeclWithType * visit( const ast::FunctionDecl * node ) {
317 if ( !node->name.empty() ) os << node->name << ": ";
318
319 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
320 os << Linkage::name( node->linkage ) << " ";
321 }
322
323 if ( ! short_mode ) printAll( node->attributes );
324
325 print( node->storage );
326 print( node->funcSpec );
327
328 if ( node->type ) {
329 node->type->accept( *this );
330 } else {
331 os << "untyped entity";
332 }
333
334 if ( ! short_mode && node->stmts ) {
335 ++indent;
336 os << " with body" << endl << indent;
337 node->stmts->accept( *this );
338 --indent;
339 }
340
341 return node;
342 }
343
344 virtual const ast::Decl * visit( const ast::StructDecl * node ) {
345 print(node);
346 return node;
347 }
348
349 virtual const ast::Decl * visit( const ast::UnionDecl * node ) {
350 print(node);
351 return node;
352 }
353
354 virtual const ast::Decl * visit( const ast::EnumDecl * node ) {
355 print(node);
356 return node;
357 }
358
359 virtual const ast::Decl * visit( const ast::TraitDecl * node ) {
360 print(node);
361 return node;
362 }
363
364 virtual const ast::Decl * visit( const ast::TypeDecl * node ) {
365 preprint( node );
366 if ( ! short_mode && node->init ) {
367 os << endl << indent << "with type initializer: ";
368 ++indent;
369 node->init->accept( *this );
370 --indent;
371 }
372
373 return node;
374 }
375
376 virtual const ast::Decl * visit( const ast::TypedefDecl * node ) {
377 preprint( node );
378 return node;
379 }
380
381 virtual const ast::AsmDecl * visit( const ast::AsmDecl * node ) {
382 safe_print( node->stmt );
383 return node;
384 }
385
386 virtual const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) {
387 os << "Static Assert with condition: ";
388 ++indent;
389 safe_print( node->cond );
390 os << endl << indent-1 << "and message: ";
391 safe_print( node->msg );
392 --indent;
393 os << endl;
394
395 return node;
396 }
397
398 virtual const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) {
399 os << "Compound Statement:" << endl;
400 ++indent;
401 printAll( node->kids );
402 --indent;
403 return node;
404 }
405
406 virtual const ast::Stmt * visit( const ast::ExprStmt * node ) {
407 ++indent;
408 os << "Expression Statement:" << endl << indent;
409 safe_print( node->expr );
410 --indent;
411 return node;
412 }
413
414 virtual const ast::Stmt * visit( const ast::AsmStmt * node ) {
415 os << "Assembler Statement:" << endl;
416 ++indent;
417 os << indent-1 << "instruction:" << endl << indent;
418 safe_print( node->instruction );
419 if ( ! node->output.empty() ) {
420 os << endl << indent << "output:" << endl;
421 printAll( node->output );
422 } // if
423 if ( ! node->input.empty() ) {
424 os << indent << "input:" << endl;
425 printAll( node->input );
426 } // if
427 if ( ! node->clobber.empty() ) {
428 os << indent << "clobber:" << endl;
429 printAll( node->clobber );
430 } // if
431 --indent;
432 return node;
433 }
434
435 virtual const ast::Stmt * visit( const ast::DirectiveStmt * node ) {
436 os << "GCC Directive: " << node->directive << endl;
437 return node;
438 }
439
440 virtual const ast::Stmt * visit( const ast::IfStmt * node ) {
441 os << "If on condition:" << endl;
442 ++indent;
443 os << indent;
444 safe_print( node->cond );
445 --indent;
446
447 if ( ! node->inits.empty() ) {
448 os << indent << "... with initialization:" << endl;
449 ++indent;
450 for ( const ast::Stmt * stmt : node->inits ) {
451 os << indent;
452 safe_print( stmt );
453 }
454 --indent;
455 os << endl;
456 }
457
458 os << indent << "... then:" << endl;
459
460 ++indent;
461 os << indent;
462 safe_print( node->thenPart );
463 --indent;
464
465 if ( node->elsePart != 0 ) {
466 os << indent << "... else:" << endl;
467 ++indent;
468 os << indent;
469 node->elsePart->accept( *this );
470 --indent;
471 } // if
472 return node;
473 }
474
475 virtual const ast::Stmt * visit( const ast::WhileStmt * node ) {
476 if ( node->isDoWhile ) { os << "Do-"; }
477 os << "While on condition:" << endl;
478 ++indent;
479 safe_print( node->cond );
480 os << indent-1 << "... with body:" << endl;
481 safe_print( node->body );
482
483 if ( ! node->inits.empty() ) {
484 os << indent-1 << "... with inits:" << endl;
485 printAll( node->inits );
486 }
487 --indent;
488
489 return node;
490 }
491
492 virtual const ast::Stmt * visit( const ast::ForStmt * node ) {
493 os << "For Statement" << endl;
494
495 if ( ! node->inits.empty() ) {
496 os << indent << "... initialization:" << endl;
497 ++indent;
498 for ( const ast::Stmt * stmt : node->inits ) {
499 os << indent+1;
500 safe_print( stmt );
501 }
502 --indent;
503 }
504
505 if ( node->cond ) {
506 os << indent << "... condition:" << endl;
507 ++indent;
508 os << indent;
509 node->cond->accept( *this );
510 --indent;
511 }
512
513 if ( node->inc ) {
514 os << indent << "... increment:" << endl;
515 ++indent;
516 os << indent;
517 node->inc->accept( *this );
518 --indent;
519 }
520
521 if ( node->body ) {
522 os << indent << "... with body:" << endl;
523 ++indent;
524 os << indent;
525 node->body->accept( *this );
526 --indent;
527 }
528 os << endl;
529 print( node->labels );
530
531 return node;
532 }
533
534 virtual const ast::Stmt * visit( const ast::SwitchStmt * node ) {
535 os << "Switch on condition: ";
536 safe_print( node->cond );
537 os << endl;
538
539 ++indent;
540 for ( const ast::Stmt * stmt : node->stmts ) {
541 stmt->accept( *this );
542 }
543 --indent;
544
545 return node;
546 }
547
548 virtual const ast::Stmt * visit( const ast::CaseStmt * node ) {
549 if ( node->isDefault() ) {
550 os << indent << "Default ";
551 } else {
552 os << indent << "Case ";
553 safe_print( node->cond );
554 } // if
555 os << endl;
556
557 ++indent;
558 for ( const ast::Stmt * stmt : node->stmts ) {
559 os << indent;
560 stmt->accept( *this );
561 }
562 --indent;
563
564 return node;
565 }
566
567 virtual const ast::Stmt * visit( const ast::BranchStmt * node ) {
568 os << "Branch (" << node->kindName() << ")" << endl;
569 ++indent;
570 if ( ! node->target.empty() ) {
571 os << indent << "with target: " << node->target << endl;
572 }
573
574 if ( ! node->originalTarget.empty() ) {
575 os << indent << "with original target: " << node->originalTarget << endl;
576 }
577
578 if ( node->computedTarget ) {
579 os << indent << "with computed target: ";
580 node->computedTarget->accept( *this );
581 os << endl;
582 }
583 --indent;
584
585 return node;
586 }
587
588 virtual const ast::Stmt * visit( const ast::ReturnStmt * node ) {
589 os << "Return Statement, returning";
590 if ( node->expr ) {
591 ++indent;
592 os << ":" << endl << indent;
593 node->expr->accept( *this );
594 --indent;
595 } else {
596 os << " void";
597 }
598 os << endl;
599
600 return node;
601 }
602
603 virtual const ast::Stmt * visit( const ast::ThrowStmt * node ) {
604 if ( node->target ) os << "Non-Local ";
605
606 switch( node->kind ) {
607 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
608 case ast::ExceptionKind::Resume: os << "Resume "; break;
609 }
610
611 ++indent;
612 os << "Throw Statement, raising: ";
613 safe_print( node->expr );
614 if ( node->target ) {
615 os << "... at: ";
616 node->target->accept( *this );
617 }
618 --indent;
619
620 return node;
621 }
622
623 virtual const ast::Stmt * visit( const ast::TryStmt * node ) {
624 ++indent;
625 os << "Try Statement" << endl << indent-1
626 << "... with block:" << endl << indent;
627 safe_print( node->body );
628
629 os << indent-1 << "... and handlers:" << endl;
630 for ( const ast::CatchStmt * stmt : node->handlers ) {
631 os << indent;
632 stmt->accept( *this );
633 }
634
635 if ( node->finally ) {
636 os << indent-1 << "... and finally:" << endl << indent;
637 node->finally->accept( *this );
638 }
639 --indent;
640
641 return node;
642 }
643
644 virtual const ast::Stmt * visit( const ast::CatchStmt * node ) {
645 os << "Catch ";
646 switch ( node->kind ) {
647 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
648 case ast::ExceptionKind::Resume: os << "Resume "; break;
649 }
650 os << "Statement" << endl << indent;
651
652 ++indent;
653 os << "... catching: ";
654 short_print( node->decl );
655 os << endl;
656
657 if ( node->cond ) {
658 os << indent-1 << "... with conditional:" << endl << indent;
659 node->cond->accept( *this );
660 }
661
662 os << indent-1 << "... with block:" << endl << indent;
663 safe_print( node->body );
664 --indent;
665
666 return node;
667 }
668
669 virtual const ast::Stmt * visit( const ast::FinallyStmt * node ) {
670 os << "Finally Statement" << endl;
671 os << indent << "... with block:" << endl;
672 ++indent;
673 os << indent;
674 safe_print( node->body );
675 --indent;
676
677 return node;
678 }
679
680 virtual const ast::Stmt * visit( const ast::WaitForStmt * node ) {
681 os << "Waitfor Statement" << endl;
682 indent += 2;
683 for( const auto & clause : node->clauses ) {
684 os << indent-1 << "target function: ";
685 safe_print( clause.target.func );
686
687 if ( ! clause.target.args.empty() ) {
688 os << endl << indent-1 << "... with arguments:" << endl;
689 for( const ast::Expr * arg : clause.target.args ) {
690 arg->accept( *this );
691 }
692 }
693
694 if ( clause.stmt ) {
695 os << indent-1 << "... with statment:" << endl;
696 clause.stmt->accept( *this );
697 }
698
699 if ( clause.cond ) {
700 os << indent-1 << "... with condition:" << endl;
701 clause.cond->accept( *this );
702 }
703 }
704
705 if ( node->timeout.time ) {
706 os << indent-1 << "timeout of:" << endl;
707 node->timeout.time->accept( *this );
708
709 if ( node->timeout.stmt ) {
710 os << indent-1 << "... with statment:" << endl;
711 node->timeout.stmt->accept( *this );
712 }
713
714 if ( node->timeout.cond ) {
715 os << indent-1 << "... with condition:" << endl;
716 node->timeout.cond->accept( *this );
717 }
718 }
719
720 if ( node->orElse.stmt ) {
721 os << indent-1 << "else:" << endl;
722 node->orElse.stmt->accept( *this );
723
724 if ( node->orElse.cond ) {
725 os << indent-1 << "... with condition:" << endl;
726 node->orElse.cond->accept( *this );
727 }
728 }
729 indent -= 2;
730
731 return node;
732 }
733
734 virtual const ast::Stmt * visit( const ast::WithStmt * node ) {
735 os << "With statement" << endl;
736 os << indent << "... with expressions:" << endl;
737 ++indent;
738 printAll( node->exprs );
739 os << indent-1 << "... with statement:" << endl << indent;
740 safe_print( node->stmt );
741 --indent;
742
743 return node;
744 }
745
746 virtual const ast::NullStmt * visit( const ast::NullStmt * node ) {
747 os << "Null Statement" << endl;
748 print( node->labels );
749
750 return node;
751 }
752
753 virtual const ast::Stmt * visit( const ast::DeclStmt * node ) {
754 os << "Declaration of ";
755 safe_print( node->decl );
756
757 return node;
758 }
759
760 virtual const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) {
761 os << "Implicit Ctor Dtor Statement" << endl;
762 os << indent << "... with Ctor/Dtor: ";
763 ++indent;
764 safe_print( node->callStmt );
765 --indent;
766 os << endl;
767
768 return node;
769 }
770
771 virtual const ast::Expr * visit( const ast::ApplicationExpr * node ) {
772 ++indent;
773 os << "Application of" << endl << indent;
774 safe_print( node->func );
775 os << endl;
776 if ( ! node->args.empty() ) {
777 os << indent << "... to arguments" << endl;
778 printAll( node->args );
779 }
780 --indent;
781 postprint( node );
782
783 return node;
784 }
785
786 virtual const ast::Expr * visit( const ast::UntypedExpr * node ) {
787 ++indent;
788 os << "Applying untyped:" << endl;
789 os << indent;
790 safe_print( node->func );
791 os << endl << indent-1 << "...to:" << endl;
792 printAll( node->args );
793 --indent;
794 postprint( node );
795
796 return node;
797 }
798
799 virtual const ast::Expr * visit( const ast::NameExpr * node ) {
800 os << "Name: " << node->name;
801 postprint( node );
802
803 return node;
804 }
805
806 virtual const ast::Expr * visit( const ast::AddressExpr * node ) {
807 os << "Address of:" << endl;
808 ++indent;
809 os << indent;
810 safe_print( node->arg );
811
812 --indent;
813
814 return node;
815 }
816
817 virtual const ast::Expr * visit( const ast::LabelAddressExpr * node ) {
818 os << "Address of label:" << node->arg;
819
820 return node;
821 }
822
823 virtual const ast::Expr * visit( const ast::CastExpr * node ) {
824 ++indent;
825 os << (node->isGenerated ? "Generated" : "Explicit") << " cast of:" << endl << indent;
826 safe_print( node->arg );
827 os << endl << indent-1 << "... to:";
828 if ( ! node->result ) {
829 os << " ";
830 undefined();
831 } else if ( node->result->isVoid() ) {
832 os << " nothing";
833 } else {
834 os << endl << indent;
835 node->result->accept( *this );
836 } // if
837 --indent;
838 postprint( node );
839
840 return node;
841 }
842
843 virtual const ast::Expr * visit( const ast::KeywordCastExpr * node ) {
844 ++indent;
845 os << "Keyword Cast of:" << endl << indent;
846 safe_print( node->arg );
847 --indent;
848 os << endl << indent << "... to: " << node->targetString();
849 postprint( node );
850
851 return node;
852 }
853
854 virtual const ast::Expr * visit( const ast::VirtualCastExpr * node ) {
855 ++indent;
856 os << "Virtual Cast of:" << endl << indent;
857 safe_print( node->arg );
858 os << endl << indent-1 << "... to:";
859 if ( ! node->result ) {
860 os << " unknown";
861 } else {
862 os << endl << indent;
863 node->result->accept( *this );
864 }
865 --indent;
866 postprint( node );
867
868 return node;
869 }
870
871 virtual const ast::Expr * visit( const ast::UntypedMemberExpr * node ) {
872 ++indent;
873 os << "Untyped Member Expression, with field: " << endl << indent;
874 safe_print( node->member );
875 os << indent-1 << "... from aggregate:" << endl << indent;
876 safe_print( node->aggregate );
877 --indent;
878 postprint( node );
879
880 return node;
881 }
882
883 virtual const ast::Expr * visit( const ast::MemberExpr * node ) {
884 ++indent;
885 os << "Member Expression, with field:" << endl << indent;
886 safe_print( node->member );
887 os << endl << indent-1 << "... from aggregate:" << endl << indent;
888 safe_print( node->aggregate );
889 --indent;
890 postprint( node );
891
892 return node;
893 }
894
895 virtual const ast::Expr * visit( const ast::VariableExpr * node ) {
896 os << "Variable Expression: ";
897 short_print( node->var );
898 postprint( node );
899
900 return node;
901 }
902
903 virtual const ast::Expr * visit( const ast::ConstantExpr * node ) {
904 os << "Constant Expression (" << node->rep;
905 if ( node->result ) {
906 os << ": ";
907 node->result->accept( *this );
908 }
909 os << ")";
910 postprint( node );
911
912 return node;
913 }
914
915 virtual const ast::Expr * visit( const ast::SizeofExpr * node ) {
916 os << "Sizeof Expression on: ";
917 ++indent;
918 if ( node->type ) node->type->accept( *this );
919 else safe_print( node->expr );
920 --indent;
921 postprint( node );
922
923 return node;
924 }
925
926 virtual const ast::Expr * visit( const ast::AlignofExpr * node ) {
927 os << "Alignof Expression on: ";
928 ++indent;
929 if ( node->type ) node->type->accept( *this );
930 else safe_print( node->expr );
931 --indent;
932 postprint( node );
933
934 return node;
935 }
936
937 virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) {
938 os << "Untyped Offsetof Expression on member " << node->member << " of ";
939 ++indent;
940 safe_print( node->type );
941 --indent;
942 postprint( node );
943
944 return node;
945 }
946
947 virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) {
948 os << "Offsetof Expression on member " << node->member->name << " of ";
949 ++indent;
950 safe_print( node->type );
951 --indent;
952 postprint( node );
953
954 return node;
955 }
956
957 virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) {
958 os << "Offset Pack Expression on: ";
959 ++indent;
960 safe_print( node->type );
961 --indent;
962 postprint( node );
963
964 return node;
965 }
966
967 virtual const ast::Expr * visit( const ast::LogicalExpr * node ) {
968 os << "Short-circuited operation (" << (node->isAnd ? "and" : "or") << ") on: ";
969 safe_print( node->arg1 );
970 os << " and ";
971 safe_print( node->arg2 );
972 postprint( node );
973
974 return node;
975 }
976
977 virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) {
978 ++indent;
979 os << "Conditional expression on:" << endl << indent;
980 safe_print( node->arg1 );
981 os << indent-1 << "First alternative:" << endl << indent;
982 safe_print( node->arg2 );
983 os << indent-1 << "Second alternative:" << endl << indent;
984 safe_print( node->arg3 );
985 --indent;
986 postprint( node );
987
988 return node;
989 }
990
991 virtual const ast::Expr * visit( const ast::CommaExpr * node ) {
992 ++indent;
993 os << "Comma Expression:" << endl << indent;
994 safe_print( node->arg1 );
995 os << endl << indent;
996 safe_print( node->arg2 );
997 --indent;
998 postprint( node );
999
1000 return node;
1001 }
1002
1003 virtual const ast::Expr * visit( const ast::TypeExpr * node ) {
1004 safe_print( node->type );
1005 postprint( node );
1006
1007 return node;
1008 }
1009
1010 virtual const ast::Expr * visit( const ast::AsmExpr * node ) {
1011 os << "Asm Expression:" << endl;
1012 ++indent;
1013 if ( node->inout ) node->inout->accept( *this );
1014 if ( node->constraint ) node->constraint->accept( *this );
1015 if ( node->operand ) node->operand->accept( *this );
1016 --indent;
1017
1018 return node;
1019 }
1020
1021 virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) {
1022 ++indent;
1023 os << "Implicit Copy Constructor Expression:" << endl << indent;
1024 safe_print( node->callExpr );
1025 --indent;
1026 postprint( node );
1027
1028 return node;
1029 }
1030
1031 virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) {
1032 os << "Constructor Expression:" << endl << indent+1;
1033 indent += 2;
1034 safe_print( node->callExpr );
1035 indent -= 2;
1036 postprint( node );
1037
1038 return node;
1039 }
1040
1041 virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) {
1042 ++indent;
1043 os << "Compound Literal Expression: " << endl << indent;
1044 safe_print( node->result );
1045 os << indent;
1046 safe_print( node->init );
1047 --indent;
1048 postprint( node );
1049
1050 return node;
1051 }
1052
1053 virtual const ast::Expr * visit( const ast::RangeExpr * node ) {
1054 os << "Range Expression: ";
1055 safe_print( node->low );
1056 os << " ... ";
1057 safe_print( node->high );
1058 postprint( node );
1059
1060 return node;
1061 }
1062
1063 virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) {
1064 os << "Untyped Tuple:" << endl;
1065 ++indent;
1066 printAll( node->exprs );
1067 --indent;
1068 postprint( node );
1069
1070 return node;
1071 }
1072
1073 virtual const ast::Expr * visit( const ast::TupleExpr * node ) {
1074 os << "Tuple:" << endl;
1075 ++indent;
1076 printAll( node->exprs );
1077 --indent;
1078 postprint( node );
1079
1080 return node;
1081 }
1082
1083 virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) {
1084 os << "Tuple Index Expression, with tuple:" << endl;
1085 ++indent;
1086 os << indent;
1087 safe_print( node->tuple );
1088 os << indent << "with index: " << node->index << endl;
1089 --indent;
1090 postprint( node );
1091
1092 return node;
1093 }
1094
1095 virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) {
1096 os << "Tuple Assignment Expression, with stmt expr:" << endl;
1097 ++indent;
1098 os << indent;
1099 safe_print( node->stmtExpr );
1100 --indent;
1101 postprint( node );
1102
1103 return node;
1104 }
1105
1106 virtual const ast::Expr * visit( const ast::StmtExpr * node ) {
1107 ++indent;
1108 os << "Statement Expression:" << endl << indent;
1109 safe_print( node->stmts );
1110 if ( ! node->returnDecls.empty() ) {
1111 os << indent << "... with returnDecls: ";
1112 printAll( node->returnDecls );
1113 }
1114 if ( ! node->dtors.empty() ) {
1115 os << indent << "... with dtors: ";
1116 printAll( node->dtors );
1117 }
1118 --indent;
1119 postprint( node );
1120
1121 return node;
1122 }
1123
1124 virtual const ast::Expr * visit( const ast::UniqueExpr * node ) {
1125 ++indent;
1126 os << "Unique Expression with id: " << node->id << endl << indent;
1127 safe_print( node->expr );
1128 if ( node->object ) {
1129 os << indent-1 << "... with decl: ";
1130 short_print( node->object );
1131 }
1132 --indent;
1133 postprint( node );
1134
1135 return node;
1136 }
1137
1138 virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) {
1139 ++indent;
1140 os << "Untyped Init Expression" << endl << indent;
1141 safe_print( node->expr );
1142 if ( ! node->initAlts.empty() ) {
1143 for ( const InitAlternative & alt : node->initAlts ) {
1144 os << indent << "InitAlternative: ";
1145 safe_print( alt.type );
1146 safe_print( alt.designation );
1147 }
1148 }
1149 --indent;
1150
1151 return node;
1152 }
1153
1154 virtual const ast::Expr * visit( const ast::InitExpr * node ) {
1155 ++indent;
1156 os << "Init Expression" << endl << indent;
1157 safe_print( node->expr );
1158 os << indent << "... with designation: ";
1159 safe_print( node->designation );
1160 --indent;
1161
1162 return node;
1163 }
1164
1165 virtual const ast::Expr * visit( const ast::DeletedExpr * node ) {
1166 ++indent;
1167 os << "Deleted Expression" << endl << indent;
1168 safe_print( node->expr );
1169 os << endl << indent << "... deleted by: ";
1170 safe_print( node->deleteStmt );
1171 --indent;
1172
1173 return node;
1174 }
1175
1176 virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) {
1177 ++indent;
1178 os << "Default Argument Expression" << endl << indent;
1179 safe_print( node->expr );
1180 --indent;
1181
1182 return node;
1183 }
1184
1185 virtual const ast::Expr * visit( const ast::GenericExpr * node ) {
1186 ++indent;
1187 os << "C11 _Generic Expression" << endl << indent;
1188 safe_print( node->control );
1189 os << endl << indent << "... with associations:" << endl;
1190 for ( const auto & assoc : node->associations ) {
1191 os << indent;
1192 if ( assoc.type ) {
1193 os << "... type: ";
1194 assoc.type->accept( *this );
1195 os << endl << indent << "... expression: ";
1196 safe_print( assoc.expr );
1197 } else {
1198 os << "... default: ";
1199 safe_print( assoc.expr );
1200 }
1201 os << endl;
1202 }
1203 --indent;
1204
1205 return node;
1206 }
1207
1208 virtual const ast::Type * visit( const ast::VoidType * node ) {
1209 preprint( node );
1210 os << "void";
1211 return node;
1212 }
1213
1214 virtual const ast::Type * visit( const ast::BasicType * node ) {
1215 preprint( node );
1216 os << ast::BasicType::typeNames[ node->kind ];
1217 return node;
1218 }
1219
1220 virtual const ast::Type * visit( const ast::PointerType * node ) {
1221 preprint( node );
1222 if ( ! node->isArray() ) {
1223 os << "pointer to ";
1224 } else {
1225 os << "decayed ";
1226 if ( node->isStatic ) {
1227 os << "static ";
1228 }
1229
1230 if ( node->isVarLen ) {
1231 os << "variable length array of ";
1232 } else if ( node->dimension ) {
1233 os << "array of ";
1234 node->dimension->accept( *this );
1235 os << " ";
1236 }
1237 }
1238 safe_print( node->base );
1239
1240 return node;
1241 }
1242
1243 virtual const ast::Type * visit( const ast::ArrayType * node ) {
1244 preprint( node );
1245 if ( node->isStatic ) {
1246 os << "static ";
1247 }
1248
1249 if ( node->isVarLen ) {
1250 os << "variable length array of ";
1251 } else if ( node->dimension ) {
1252 os << "array of ";
1253 } else {
1254 os << "open array of ";
1255 }
1256
1257 safe_print( node->base );
1258
1259 if ( node->dimension ) {
1260 os << " with dimension of ";
1261 node->dimension->accept( *this );
1262 }
1263
1264 return node;
1265 }
1266
1267 virtual const ast::Type * visit( const ast::ReferenceType * node ) {
1268 preprint( node );
1269 os << "reference to ";
1270 safe_print( node->base );
1271
1272 return node;
1273 }
1274
1275 virtual const ast::Type * visit( const ast::QualifiedType * node ) {
1276 preprint( node );
1277 ++indent;
1278 os << "Qualified Type:" << endl << indent;
1279 safe_print( node->parent );
1280 os << endl << indent;
1281 safe_print( node->child );
1282 os << endl;
1283 --indent;
1284
1285 return node;
1286 }
1287
1288 virtual const ast::Type * visit( const ast::FunctionType * node ) {
1289 preprint( node );
1290
1291 os << "function" << endl;
1292 if ( ! node->params.empty() ) {
1293 os << indent << "... with parameters" << endl;
1294 ++indent;
1295 printAll( node->params );
1296 if ( node->isVarArgs ) {
1297 os << indent << "and a variable number of other arguments" << endl;
1298 }
1299 --indent;
1300 } else if ( node->isVarArgs ) {
1301 os << indent+1 << "accepting unspecified arguments" << endl;
1302 }
1303
1304 os << indent << "... returning";
1305 if ( node->returns.empty() ) {
1306 os << " nothing" << endl;
1307 } else {
1308 os << endl;
1309 ++indent;
1310 printAll( node->returns );
1311 --indent;
1312 }
1313
1314 return node;
1315 }
1316
1317 virtual const ast::Type * visit( const ast::StructInstType * node ) {
1318 preprint( node );
1319 os << "instance of struct " << node->name;
1320 if ( node->base ) {
1321 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1322 }
1323 print( node->params );
1324
1325 return node;
1326 }
1327
1328 virtual const ast::Type * visit( const ast::UnionInstType * node ) {
1329 preprint( node );
1330 os << "instance of union " << node->name;
1331 if ( node->base ) {
1332 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1333 }
1334 print( node->params );
1335
1336 return node;
1337 }
1338
1339 virtual const ast::Type * visit( const ast::EnumInstType * node ) {
1340 preprint( node );
1341 os << "instance of enum " << node->name;
1342 if ( node->base ) {
1343 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1344 }
1345 print( node->params );
1346
1347 return node;
1348 }
1349
1350 virtual const ast::Type * visit( const ast::TraitInstType * node ) {
1351 preprint( node );
1352 os << "instance of trait " << node->name;
1353 print( node->params );
1354
1355 return node;
1356 }
1357
1358 virtual const ast::Type * visit( const ast::TypeInstType * node ) {
1359 preprint( node );
1360 os << "instance of type " << node->name
1361 << " (" << (node->kind == ast::TypeVar::Ftype ? "" : "not ") << "function type)";
1362 print( node->params );
1363
1364 return node;
1365 }
1366
1367 virtual const ast::Type * visit( const ast::TupleType * node ) {
1368 preprint( node );
1369 os << "tuple of types" << endl;
1370 ++indent;
1371 printAll( node->types );
1372 --indent;
1373
1374 return node;
1375 }
1376
1377 virtual const ast::Type * visit( const ast::TypeofType * node ) {
1378 preprint( node );
1379 if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
1380 os << "type-of expression ";
1381 safe_print( node->expr );
1382
1383 return node;
1384 }
1385
1386 virtual const ast::Type * visit( const ast::VarArgsType * node ) {
1387 preprint( node );
1388 os << "builtin var args pack";
1389 return node;
1390 }
1391
1392 virtual const ast::Type * visit( const ast::ZeroType * node ) {
1393 preprint( node );
1394 os << "zero_t";
1395 return node;
1396 }
1397
1398 virtual const ast::Type * visit( const ast::OneType * node ) {
1399 preprint( node );
1400 os << "one_t";
1401 return node;
1402 }
1403
1404 virtual const ast::Type * visit( const ast::GlobalScopeType * node ) {
1405 preprint( node );
1406 os << "Global Scope Type";
1407 return node;
1408 }
1409
1410 virtual const ast::Designation * visit( const ast::Designation * node ) {
1411 if ( node->designators.empty() ) return node;
1412 os << "... designated by: " << endl;
1413 ++indent;
1414 for ( const ast::Expr * d : node->designators ) {
1415 os << indent;
1416 d->accept( *this );
1417 os << endl;
1418 }
1419 --indent;
1420 return node;
1421 }
1422
1423 virtual const ast::Init * visit( const ast::SingleInit * node ) {
1424 os << "Simple Initializer: ";
1425 safe_print( node->value );
1426 return node;
1427 }
1428
1429 virtual const ast::Init * visit( const ast::ListInit * node ) {
1430 os << "Compound initializer: " << endl;
1431 ++indent;
1432 for ( auto p : group_iterate( node->designations, node->initializers ) ) {
1433 const ast::Designation * d = std::get<0>(p);
1434 const ast::Init * init = std::get<1>(p);
1435 os << indent;
1436 init->accept( *this );
1437 os << endl;
1438 if ( ! d->designators.empty() ) {
1439 os << indent;
1440 d->accept( *this );
1441 }
1442 }
1443 --indent;
1444 return node;
1445 }
1446
1447 virtual const ast::Init * visit( const ast::ConstructorInit * node ) {
1448 os << "Constructor initializer: " << endl;
1449 if ( node->ctor ) {
1450 os << indent << "... initially constructed with ";
1451 ++indent;
1452 node->ctor->accept( *this );
1453 --indent;
1454 }
1455
1456 if ( node->dtor ) {
1457 os << indent << "... destructed with ";
1458 ++indent;
1459 node->dtor->accept( *this );
1460 --indent;
1461 }
1462
1463 if ( node->init ) {
1464 os << indent << "... with fallback C-style initializer: ";
1465 ++indent;
1466 node->init->accept( *this );
1467 --indent;
1468 }
1469 return node;
1470 }
1471
1472 virtual const ast::Attribute * visit( const ast::Attribute * node ) {
1473 if ( node->empty() ) return node;
1474 os << "Attribute with name: " << node->name;
1475 if ( node->params.empty() ) return node;
1476 os << " with parameters: " << endl;
1477 ++indent;
1478 printAll( node->params );
1479 --indent;
1480 return node;
1481 }
1482
1483 virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) {
1484 os << indent << "Types:" << endl;
1485 for ( const auto& i : *node ) {
1486 os << indent+1 << i.first << " -> ";
1487 indent += 2;
1488 safe_print( i.second );
1489 indent -= 2;
1490 os << endl;
1491 }
1492 os << indent << "Non-types:" << endl;
1493 for ( auto i = node->beginVar(); i != node->endVar(); ++i ) {
1494 os << indent+1 << i->first << " -> ";
1495 indent += 2;
1496 safe_print( i->second );
1497 indent -= 2;
1498 os << endl;
1499 }
1500 return node;
1501 }
1502
1503};
1504
1505void print( ostream & os, const ast::Node * node, Indenter indent ) {
1506 Printer printer { os, indent, false };
1507 node->accept(printer);
1508}
1509
1510void printShort( ostream & os, const ast::Decl * node, Indenter indent ) {
1511 Printer printer { os, indent, true };
1512 node->accept(printer);
1513}
1514
1515// Annoyingly these needed to be defined out of line to avoid undefined references.
1516// The size here needs to be explicit but at least the compiler will produce an error
1517// if the wrong size is specified
1518constexpr array<const char*, 3> Printer::Names::FuncSpecifiers;
1519constexpr array<const char*, 5> Printer::Names::StorageClasses;
1520constexpr array<const char*, 6> Printer::Names::Qualifiers;
1521}
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