source: src/AST/Print.cpp@ 0240cd69

ADT arm-eh ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 0240cd69 was 79c907b, checked in by Fangren Yu <f37yu@…>, 5 years ago

correctly print assertions
  • Property mode set to 100644
File size: 36.2 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 array<C,sizeof...(T)> make_array(T&&... values)
32{
33 return array<C,sizeof...(T)>{
34 forward<T>(values)...
35 };
36}
37
38class Printer final : public Visitor {
39public:
40 ostream & os;
41 Indenter indent;
42 bool short_mode;
43
44 Printer(ostream & os, Indenter indent, bool short_mode) : os( os ), indent( indent ), short_mode(short_mode) {}
45
46private:
47 template< typename C >
48 void printAll( const C & c ) {
49 for ( const auto & i : c ) {
50 if ( i ) {
51 os << indent;
52 i->accept( *this );
53 // need an endl after each element because it's not
54 // easy to know when each individual item should end
55 os << endl;
56 } // if
57 } // for
58 }
59
60 /// call if mandatory field is missing
61 void undefined() {
62 os << "UNDEFINED";
63 }
64
65 /// call for fields that should be mandatory
66 void safe_print( const ast::Node * n ) {
67 if ( n ) n->accept( *this );
68 else undefined();
69 }
70
71 /// call to print short form. Incorporates features of safe_print()
72 void short_print( const ast::Decl * n ) {
73 if ( ! n ) { undefined(); return; }
74 bool old_short = short_mode; short_mode = true;
75 n->accept( *this );
76 short_mode = old_short;
77 }
78
79 static const char* Names[];
80
81 struct Names {
82 static constexpr auto FuncSpecifiers = make_array<const char*>(
83 "inline", "_Noreturn", "fortran"
84 );
85
86 static constexpr auto StorageClasses = make_array<const char*>(
87 "extern", "static", "auto", "register", "_Thread_local"
88 );
89
90 static constexpr auto Qualifiers = make_array<const char*>(
91 "const", "restrict", "volatile", "lvalue", "mutex", "_Atomic"
92 );
93 };
94
95 template<typename storage_t, size_t N>
96 void print(const storage_t & storage, const array<const char *, N> & Names ) {
97 if ( storage.any() ) {
98 for ( size_t i = 0; i < Names.size(); i += 1 ) {
99 if ( storage[i] ) {
100 os << Names[i] << ' ';
101 }
102 }
103 }
104 }
105
106 void print( const ast::Function::Specs & specs ) {
107 print(specs, Names::FuncSpecifiers);
108 }
109
110 void print( const ast::Storage::Classes & storage ) {
111 print(storage, Names::StorageClasses);
112 }
113
114 void print( const ast::CV::Qualifiers & qualifiers ) {
115 print(qualifiers, Names::Qualifiers);
116 }
117
118 void print( const std::vector<ast::Label> & labels ) {
119 if ( labels.empty() ) return;
120 os << indent << "... Labels: {";
121 bool isFirst = true;
122 for ( const Label & l : labels ) {
123 if ( isFirst ) { isFirst = false; } else { os << ","; }
124 os << l;
125 }
126 os << "}" << endl;
127 }
128
129 void print( const ast::Expr::InferUnion & inferred, unsigned level = 0 ) {
130 if (inferred.data.resnSlots && !inferred.data.resnSlots->empty()) {
131 os << indent << "with " << inferred.data.resnSlots->size()
132 << " pending inference slots" << endl;
133 }
134 if (inferred.data.inferParams && !inferred.data.inferParams->empty()) {
135 os << indent << "with inferred parameters " << level << ":" << endl;
136 ++indent;
137 for ( const auto & i : *inferred.data.inferParams ) {
138 os << indent;
139 short_print( i.second.declptr );
140 os << endl;
141 print( i.second.expr->inferred, level+1 );
142 }
143 --indent;
144 }
145 }
146
147 void print( const ast::ParameterizedType::ForallList & forall ) {
148 if ( forall.empty() ) return;
149 os << "forall" << endl;
150 ++indent;
151 printAll( forall );
152 os << indent;
153 --indent;
154 }
155
156 void print( const std::vector<ptr<Attribute>> & attrs ) {
157 if ( attrs.empty() ) return;
158 os << "with attributes" << endl;
159 ++indent;
160 printAll( attrs );
161 --indent;
162 }
163
164 void print( const std::vector<ptr<Expr>> & params ) {
165 if ( params.empty() ) return;
166 os << endl << indent << "... with parameters" << endl;
167 ++indent;
168 printAll( params );
169 --indent;
170 }
171
172 void print( const ast::AggregateDecl * node ) {
173 os << node->typeString() << " " << node->name;
174
175 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
176 os << " " << Linkage::name( node->linkage );
177 }
178
179 os << " " << (node->body ? "with" : "without") << " body";
180
181 if ( ! node->params.empty() ) {
182 os << endl << indent << "... with parameters" << endl;
183 ++indent;
184 printAll( node->params );
185 --indent;
186 }
187
188 if ( ! short_mode && ! node->members.empty() ) {
189 os << endl << indent << "... with members" << endl;
190 ++indent;
191 printAll( node->members );
192 --indent;
193 }
194
195 if ( ! short_mode && ! node->attributes.empty() ) {
196 os << endl << indent << "... with attributes" << endl;
197 ++indent;
198 printAll( node->attributes );
199 --indent;
200 }
201
202 os << endl;
203 }
204
205 void preprint( const ast::NamedTypeDecl * node ) {
206 if ( ! node->name.empty() ) os << node->name << ": ";
207
208 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
209 os << Linkage::name( node->linkage ) << " ";
210 }
211
212 print( node->storage );
213 os << node->typeString();
214
215 if ( node->base ) {
216 os << " for ";
217 ++indent;
218 node->base->accept( *this );
219 --indent;
220 }
221
222 if ( ! node->params.empty() ) {
223 os << endl << indent << "... with parameters" << endl;
224 ++indent;
225 printAll( node->params );
226 --indent;
227 }
228
229 if ( ! node->assertions.empty() ) {
230 os << endl << indent << "... with assertions" << endl;
231 ++indent;
232 printAll( node->assertions );
233 --indent;
234 }
235 }
236
237 void postprint( const ast::Expr * node ) {
238 print( node->inferred );
239
240 if ( node->env ) {
241 os << endl << indent << "... with environment:" << endl;
242 ++indent;
243 node->env->accept( *this );
244 --indent;
245 }
246
247 if ( node->extension ) {
248 os << endl << indent << "... with extension";
249 }
250 }
251
252 void preprint( const ast::Type * node ) {
253 print( node->qualifiers );
254 }
255
256 void preprint( const ast::ParameterizedType * node ) {
257 print( node->forall );
258 print( node->qualifiers );
259 }
260
261 void preprint( const ast::ReferenceToType * node ) {
262 print( node->forall );
263 print( node->attributes );
264 print( node->qualifiers );
265 }
266
267public:
268 virtual const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
269 if ( ! node->name.empty() ) os << node->name << ": ";
270
271 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
272 os << Linkage::name( node->linkage ) << " ";
273 }
274
275 print( node->storage );
276
277 if ( node->type ) {
278 node->type->accept( *this );
279 } else {
280 os << "untyped entity";
281 }
282
283 if ( ! short_mode && node->init ) {
284 ++indent;
285 os << " with initializer (" << (
286 node->init->maybeConstructed
287 ? "maybe constructed"
288 : "not constructed"
289 ) << ")" << endl << indent;
290 node->init->accept( *this );
291 --indent;
292 os << endl;
293 }
294
295 if ( ! short_mode && ! node->attributes.empty() ) {
296 os << endl << indent << "... with attributes:" << endl;
297 ++indent;
298 printAll( node->attributes );
299 --indent;
300 }
301
302 if ( node->bitfieldWidth ) {
303 os << indent << " with bitfield width ";
304 node->bitfieldWidth->accept( *this );
305 }
306
307 return node;
308 }
309
310 virtual const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
311 if ( !node->name.empty() ) os << node->name << ": ";
312
313 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
314 os << Linkage::name( node->linkage ) << " ";
315 }
316
317 if ( ! short_mode ) printAll( node->attributes );
318
319 print( node->storage );
320 print( node->funcSpec );
321
322 if ( node->type ) {
323 node->type->accept( *this );
324 } else {
325 os << "untyped entity";
326 }
327
328 if ( ! short_mode && node->stmts ) {
329 ++indent;
330 os << " with body" << endl << indent;
331 node->stmts->accept( *this );
332 --indent;
333 }
334
335 return node;
336 }
337
338 virtual const ast::Decl * visit( const ast::StructDecl * node ) override final {
339 print(node);
340 return node;
341 }
342
343 virtual const ast::Decl * visit( const ast::UnionDecl * node ) override final {
344 print(node);
345 return node;
346 }
347
348 virtual const ast::Decl * visit( const ast::EnumDecl * node ) override final {
349 print(node);
350 return node;
351 }
352
353 virtual const ast::Decl * visit( const ast::TraitDecl * node ) override final {
354 print(node);
355 return node;
356 }
357
358 virtual const ast::Decl * visit( const ast::TypeDecl * node ) override final {
359 preprint( node );
360 if ( ! short_mode && node->init ) {
361 os << endl << indent << "with type initializer: ";
362 ++indent;
363 node->init->accept( *this );
364 --indent;
365 }
366
367 return node;
368 }
369
370 virtual const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
371 preprint( node );
372 return node;
373 }
374
375 virtual const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
376 safe_print( node->stmt );
377 return node;
378 }
379
380 virtual const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
381 os << "Static Assert with condition: ";
382 ++indent;
383 safe_print( node->cond );
384 os << endl << indent-1 << "and message: ";
385 safe_print( node->msg );
386 --indent;
387 os << endl;
388
389 return node;
390 }
391
392 virtual const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
393 os << "Compound Statement:" << endl;
394 ++indent;
395 printAll( node->kids );
396 --indent;
397 return node;
398 }
399
400 virtual const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
401 ++indent;
402 os << "Expression Statement:" << endl << indent;
403 safe_print( node->expr );
404 --indent;
405 return node;
406 }
407
408 virtual const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
409 os << "Assembler Statement:" << endl;
410 ++indent;
411 os << indent-1 << "instruction:" << endl << indent;
412 safe_print( node->instruction );
413 if ( ! node->output.empty() ) {
414 os << endl << indent << "output:" << endl;
415 printAll( node->output );
416 } // if
417 if ( ! node->input.empty() ) {
418 os << indent << "input:" << endl;
419 printAll( node->input );
420 } // if
421 if ( ! node->clobber.empty() ) {
422 os << indent << "clobber:" << endl;
423 printAll( node->clobber );
424 } // if
425 --indent;
426 return node;
427 }
428
429 virtual const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
430 os << "GCC Directive: " << node->directive << endl;
431 return node;
432 }
433
434 virtual const ast::Stmt * visit( const ast::IfStmt * node ) override final {
435 os << "If on condition:" << endl;
436 ++indent;
437 os << indent;
438 safe_print( node->cond );
439 --indent;
440
441 if ( ! node->inits.empty() ) {
442 os << indent << "... with initialization:" << endl;
443 ++indent;
444 for ( const ast::Stmt * stmt : node->inits ) {
445 os << indent;
446 safe_print( stmt );
447 }
448 --indent;
449 os << endl;
450 }
451
452 os << indent << "... then:" << endl;
453
454 ++indent;
455 os << indent;
456 safe_print( node->thenPart );
457 --indent;
458
459 if ( node->elsePart != 0 ) {
460 os << indent << "... else:" << endl;
461 ++indent;
462 os << indent;
463 node->elsePart->accept( *this );
464 --indent;
465 } // if
466 return node;
467 }
468
469 virtual const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
470 if ( node->isDoWhile ) { os << "Do-"; }
471 os << "While on condition:" << endl;
472 ++indent;
473 safe_print( node->cond );
474 os << indent-1 << "... with body:" << endl;
475 safe_print( node->body );
476
477 if ( ! node->inits.empty() ) {
478 os << indent-1 << "... with inits:" << endl;
479 printAll( node->inits );
480 }
481 --indent;
482
483 return node;
484 }
485
486 virtual const ast::Stmt * visit( const ast::ForStmt * node ) override final {
487 os << "For Statement" << endl;
488
489 if ( ! node->inits.empty() ) {
490 os << indent << "... initialization:" << endl;
491 ++indent;
492 for ( const ast::Stmt * stmt : node->inits ) {
493 os << indent+1;
494 safe_print( stmt );
495 }
496 --indent;
497 }
498
499 if ( node->cond ) {
500 os << indent << "... condition:" << endl;
501 ++indent;
502 os << indent;
503 node->cond->accept( *this );
504 --indent;
505 }
506
507 if ( node->inc ) {
508 os << indent << "... increment:" << endl;
509 ++indent;
510 os << indent;
511 node->inc->accept( *this );
512 --indent;
513 }
514
515 if ( node->body ) {
516 os << indent << "... with body:" << endl;
517 ++indent;
518 os << indent;
519 node->body->accept( *this );
520 --indent;
521 }
522 os << endl;
523 print( node->labels );
524
525 return node;
526 }
527
528 virtual const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
529 os << "Switch on condition: ";
530 safe_print( node->cond );
531 os << endl;
532
533 ++indent;
534 for ( const ast::Stmt * stmt : node->stmts ) {
535 stmt->accept( *this );
536 }
537 --indent;
538
539 return node;
540 }
541
542 virtual const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
543 if ( node->isDefault() ) {
544 os << indent << "Default ";
545 } else {
546 os << indent << "Case ";
547 safe_print( node->cond );
548 } // if
549 os << endl;
550
551 ++indent;
552 for ( const ast::Stmt * stmt : node->stmts ) {
553 os << indent;
554 stmt->accept( *this );
555 }
556 --indent;
557
558 return node;
559 }
560
561 virtual const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
562 os << "Branch (" << node->kindName() << ")" << endl;
563 ++indent;
564 if ( ! node->target.empty() ) {
565 os << indent << "with target: " << node->target << endl;
566 }
567
568 if ( ! node->originalTarget.empty() ) {
569 os << indent << "with original target: " << node->originalTarget << endl;
570 }
571
572 if ( node->computedTarget ) {
573 os << indent << "with computed target: ";
574 node->computedTarget->accept( *this );
575 os << endl;
576 }
577 --indent;
578
579 return node;
580 }
581
582 virtual const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
583 os << "Return Statement, returning";
584 if ( node->expr ) {
585 ++indent;
586 os << ":" << endl << indent;
587 node->expr->accept( *this );
588 --indent;
589 } else {
590 os << " void";
591 }
592 os << endl;
593
594 return node;
595 }
596
597 virtual const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
598 if ( node->target ) os << "Non-Local ";
599
600 switch( node->kind ) {
601 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
602 case ast::ExceptionKind::Resume: os << "Resume "; break;
603 }
604
605 ++indent;
606 os << "Throw Statement, raising: ";
607 safe_print( node->expr );
608 if ( node->target ) {
609 os << "... at: ";
610 node->target->accept( *this );
611 }
612 --indent;
613
614 return node;
615 }
616
617 virtual const ast::Stmt * visit( const ast::TryStmt * node ) override final {
618 ++indent;
619 os << "Try Statement" << endl << indent-1
620 << "... with block:" << endl << indent;
621 safe_print( node->body );
622
623 os << indent-1 << "... and handlers:" << endl;
624 for ( const ast::CatchStmt * stmt : node->handlers ) {
625 os << indent;
626 stmt->accept( *this );
627 }
628
629 if ( node->finally ) {
630 os << indent-1 << "... and finally:" << endl << indent;
631 node->finally->accept( *this );
632 }
633 --indent;
634
635 return node;
636 }
637
638 virtual const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
639 os << "Catch ";
640 switch ( node->kind ) {
641 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
642 case ast::ExceptionKind::Resume: os << "Resume "; break;
643 }
644 os << "Statement" << endl << indent;
645
646 ++indent;
647 os << "... catching: ";
648 short_print( node->decl );
649 os << endl;
650
651 if ( node->cond ) {
652 os << indent-1 << "... with conditional:" << endl << indent;
653 node->cond->accept( *this );
654 }
655
656 os << indent-1 << "... with block:" << endl << indent;
657 safe_print( node->body );
658 --indent;
659
660 return node;
661 }
662
663 virtual const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
664 os << "Finally Statement" << endl;
665 os << indent << "... with block:" << endl;
666 ++indent;
667 os << indent;
668 safe_print( node->body );
669 --indent;
670
671 return node;
672 }
673
674 virtual const ast::Stmt * visit( const ast::SuspendStmt * node ) override final {
675 os << "Suspend Statement";
676 switch (node->type) {
677 case ast::SuspendStmt::None : os << " with implicit target"; break;
678 case ast::SuspendStmt::Generator: os << " for generator"; break;
679 case ast::SuspendStmt::Coroutine: os << " for coroutine"; break;
680 }
681 os << endl;
682
683 ++indent;
684 if(node->then) {
685 os << indent << " with post statement :" << endl;
686 safe_print( node->then );
687 }
688 ++indent;
689
690 return node;
691 }
692
693 virtual const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
694 os << "Waitfor Statement" << endl;
695 indent += 2;
696 for( const auto & clause : node->clauses ) {
697 os << indent-1 << "target function: ";
698 safe_print( clause.target.func );
699
700 if ( ! clause.target.args.empty() ) {
701 os << endl << indent-1 << "... with arguments:" << endl;
702 for( const ast::Expr * arg : clause.target.args ) {
703 arg->accept( *this );
704 }
705 }
706
707 if ( clause.stmt ) {
708 os << indent-1 << "... with statment:" << endl;
709 clause.stmt->accept( *this );
710 }
711
712 if ( clause.cond ) {
713 os << indent-1 << "... with condition:" << endl;
714 clause.cond->accept( *this );
715 }
716 }
717
718 if ( node->timeout.time ) {
719 os << indent-1 << "timeout of:" << endl;
720 node->timeout.time->accept( *this );
721
722 if ( node->timeout.stmt ) {
723 os << indent-1 << "... with statment:" << endl;
724 node->timeout.stmt->accept( *this );
725 }
726
727 if ( node->timeout.cond ) {
728 os << indent-1 << "... with condition:" << endl;
729 node->timeout.cond->accept( *this );
730 }
731 }
732
733 if ( node->orElse.stmt ) {
734 os << indent-1 << "else:" << endl;
735 node->orElse.stmt->accept( *this );
736
737 if ( node->orElse.cond ) {
738 os << indent-1 << "... with condition:" << endl;
739 node->orElse.cond->accept( *this );
740 }
741 }
742 indent -= 2;
743
744 return node;
745 }
746
747 virtual const ast::Decl * visit( const ast::WithStmt * node ) override final {
748 os << "With statement" << endl;
749 os << indent << "... with expressions:" << endl;
750 ++indent;
751 printAll( node->exprs );
752 os << indent-1 << "... with statement:" << endl << indent;
753 safe_print( node->stmt );
754 --indent;
755
756 return node;
757 }
758
759 virtual const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
760 os << "Null Statement" << endl;
761 print( node->labels );
762
763 return node;
764 }
765
766 virtual const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
767 os << "Declaration of ";
768 safe_print( node->decl );
769
770 return node;
771 }
772
773 virtual const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
774 os << "Implicit Ctor Dtor Statement" << endl;
775 os << indent << "... with Ctor/Dtor: ";
776 ++indent;
777 safe_print( node->callStmt );
778 --indent;
779 os << endl;
780
781 return node;
782 }
783
784 virtual const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
785 ++indent;
786 os << "Application of" << endl << indent;
787 safe_print( node->func );
788 os << endl;
789 if ( ! node->args.empty() ) {
790 os << indent << "... to arguments" << endl;
791 printAll( node->args );
792 }
793 --indent;
794 postprint( node );
795
796 return node;
797 }
798
799 virtual const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
800 ++indent;
801 os << "Applying untyped:" << endl;
802 os << indent;
803 safe_print( node->func );
804 os << endl << indent-1 << "...to:" << endl;
805 printAll( node->args );
806 --indent;
807 postprint( node );
808
809 return node;
810 }
811
812 virtual const ast::Expr * visit( const ast::NameExpr * node ) override final {
813 os << "Name: " << node->name;
814 postprint( node );
815
816 return node;
817 }
818
819 virtual const ast::Expr * visit( const ast::AddressExpr * node ) override final {
820 os << "Address of:" << endl;
821 ++indent;
822 os << indent;
823 safe_print( node->arg );
824
825 --indent;
826
827 return node;
828 }
829
830 virtual const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
831 os << "Address of label:" << node->arg;
832
833 return node;
834 }
835
836 virtual const ast::Expr * visit( const ast::CastExpr * node ) override final {
837 ++indent;
838 os << (node->isGenerated ? "Generated" : "Explicit") << " Cast of:" << endl << indent;
839 safe_print( node->arg );
840 os << endl << indent-1 << "... to:";
841 if ( ! node->result ) {
842 os << " ";
843 undefined();
844 } else if ( node->result->isVoid() ) {
845 os << " nothing";
846 } else {
847 os << endl << indent;
848 node->result->accept( *this );
849 } // if
850 --indent;
851 postprint( node );
852
853 return node;
854 }
855
856 virtual const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
857 ++indent;
858 os << "Keyword Cast of:" << endl << indent;
859 safe_print( node->arg );
860 --indent;
861 os << endl << indent << "... to: " << node->targetString();
862 postprint( node );
863
864 return node;
865 }
866
867 virtual const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
868 ++indent;
869 os << "Virtual Cast of:" << endl << indent;
870 safe_print( node->arg );
871 os << endl << indent-1 << "... to:";
872 if ( ! node->result ) {
873 os << " unknown";
874 } else {
875 os << endl << indent;
876 node->result->accept( *this );
877 }
878 --indent;
879 postprint( node );
880
881 return node;
882 }
883
884 virtual const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
885 ++indent;
886 os << "Untyped Member Expression, with field: " << endl << indent;
887 safe_print( node->member );
888 os << indent-1 << "... from aggregate:" << endl << indent;
889 safe_print( node->aggregate );
890 --indent;
891 postprint( node );
892
893 return node;
894 }
895
896 virtual const ast::Expr * visit( const ast::MemberExpr * node ) override final {
897 ++indent;
898 os << "Member Expression, with field:" << endl << indent;
899 safe_print( node->member );
900 os << endl << indent-1 << "... from aggregate:" << endl << indent;
901 safe_print( node->aggregate );
902 --indent;
903 postprint( node );
904
905 return node;
906 }
907
908 virtual const ast::Expr * visit( const ast::VariableExpr * node ) override final {
909 os << "Variable Expression: ";
910 short_print( node->var );
911 postprint( node );
912
913 return node;
914 }
915
916 virtual const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
917 os << "Constant Expression (" << node->rep;
918 if ( node->result ) {
919 os << ": ";
920 node->result->accept( *this );
921 }
922 os << ")";
923 postprint( node );
924
925 return node;
926 }
927
928 virtual const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
929 os << "Sizeof Expression on: ";
930 ++indent;
931 if ( node->type ) node->type->accept( *this );
932 else safe_print( node->expr );
933 --indent;
934 postprint( node );
935
936 return node;
937 }
938
939 virtual const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
940 os << "Alignof Expression on: ";
941 ++indent;
942 if ( node->type ) node->type->accept( *this );
943 else safe_print( node->expr );
944 --indent;
945 postprint( node );
946
947 return node;
948 }
949
950 virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
951 os << "Untyped Offsetof Expression on member " << node->member << " of ";
952 ++indent;
953 safe_print( node->type );
954 --indent;
955 postprint( node );
956
957 return node;
958 }
959
960 virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
961 os << "Offsetof Expression on member " << node->member->name << " of ";
962 ++indent;
963 safe_print( node->type );
964 --indent;
965 postprint( node );
966
967 return node;
968 }
969
970 virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
971 os << "Offset Pack Expression on: ";
972 ++indent;
973 safe_print( node->type );
974 --indent;
975 postprint( node );
976
977 return node;
978 }
979
980 virtual const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
981 os << "Short-circuited operation (" << (node->isAnd ? "and" : "or") << ") on: ";
982 safe_print( node->arg1 );
983 os << " and ";
984 safe_print( node->arg2 );
985 postprint( node );
986
987 return node;
988 }
989
990 virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
991 ++indent;
992 os << "Conditional expression on:" << endl << indent;
993 safe_print( node->arg1 );
994 os << indent-1 << "First alternative:" << endl << indent;
995 safe_print( node->arg2 );
996 os << indent-1 << "Second alternative:" << endl << indent;
997 safe_print( node->arg3 );
998 --indent;
999 postprint( node );
1000
1001 return node;
1002 }
1003
1004 virtual const ast::Expr * visit( const ast::CommaExpr * node ) override final {
1005 ++indent;
1006 os << "Comma Expression:" << endl << indent;
1007 safe_print( node->arg1 );
1008 os << endl << indent;
1009 safe_print( node->arg2 );
1010 --indent;
1011 postprint( node );
1012
1013 return node;
1014 }
1015
1016 virtual const ast::Expr * visit( const ast::TypeExpr * node ) override final {
1017 safe_print( node->type );
1018 postprint( node );
1019
1020 return node;
1021 }
1022
1023 virtual const ast::Expr * visit( const ast::AsmExpr * node ) override final {
1024 os << "Asm Expression:" << endl;
1025 ++indent;
1026 if ( !node->inout.empty() ) os << "[" << node->inout << "] ";
1027 if ( node->constraint ) node->constraint->accept( *this );
1028 if ( node->operand ) node->operand->accept( *this );
1029 --indent;
1030
1031 return node;
1032 }
1033
1034 virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
1035 ++indent;
1036 os << "Implicit Copy Constructor Expression:" << endl << indent;
1037 safe_print( node->callExpr );
1038 --indent;
1039 postprint( node );
1040
1041 return node;
1042 }
1043
1044 virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
1045 os << "Constructor Expression:" << endl << indent+1;
1046 indent += 2;
1047 safe_print( node->callExpr );
1048 indent -= 2;
1049 postprint( node );
1050
1051 return node;
1052 }
1053
1054 virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
1055 ++indent;
1056 os << "Compound Literal Expression: " << endl << indent;
1057 safe_print( node->result );
1058 os << indent;
1059 safe_print( node->init );
1060 --indent;
1061 postprint( node );
1062
1063 return node;
1064 }
1065
1066 virtual const ast::Expr * visit( const ast::RangeExpr * node ) override final {
1067 os << "Range Expression: ";
1068 safe_print( node->low );
1069 os << " ... ";
1070 safe_print( node->high );
1071 postprint( node );
1072
1073 return node;
1074 }
1075
1076 virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
1077 os << "Untyped Tuple:" << endl;
1078 ++indent;
1079 printAll( node->exprs );
1080 --indent;
1081 postprint( node );
1082
1083 return node;
1084 }
1085
1086 virtual const ast::Expr * visit( const ast::TupleExpr * node ) override final {
1087 os << "Tuple:" << endl;
1088 ++indent;
1089 printAll( node->exprs );
1090 --indent;
1091 postprint( node );
1092
1093 return node;
1094 }
1095
1096 virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
1097 os << "Tuple Index Expression, with tuple:" << endl;
1098 ++indent;
1099 os << indent;
1100 safe_print( node->tuple );
1101 os << indent << "with index: " << node->index << endl;
1102 --indent;
1103 postprint( node );
1104
1105 return node;
1106 }
1107
1108 virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
1109 os << "Tuple Assignment Expression, with stmt expr:" << endl;
1110 ++indent;
1111 os << indent;
1112 safe_print( node->stmtExpr );
1113 --indent;
1114 postprint( node );
1115
1116 return node;
1117 }
1118
1119 virtual const ast::Expr * visit( const ast::StmtExpr * node ) override final {
1120 ++indent;
1121 os << "Statement Expression:" << endl << indent;
1122 safe_print( node->stmts );
1123 if ( ! node->returnDecls.empty() ) {
1124 os << indent << "... with returnDecls: ";
1125 printAll( node->returnDecls );
1126 }
1127 if ( ! node->dtors.empty() ) {
1128 os << indent << "... with dtors: ";
1129 printAll( node->dtors );
1130 }
1131 --indent;
1132 postprint( node );
1133
1134 return node;
1135 }
1136
1137 virtual const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
1138 ++indent;
1139 os << "Unique Expression with id: " << node->id << endl << indent;
1140 safe_print( node->expr );
1141 if ( node->object ) {
1142 os << indent-1 << "... with decl: ";
1143 short_print( node->object );
1144 }
1145 --indent;
1146 postprint( node );
1147
1148 return node;
1149 }
1150
1151 virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
1152 ++indent;
1153 os << "Untyped Init Expression" << endl << indent;
1154 safe_print( node->expr );
1155 if ( ! node->initAlts.empty() ) {
1156 for ( const InitAlternative & alt : node->initAlts ) {
1157 os << indent << "InitAlternative: ";
1158 safe_print( alt.type );
1159 safe_print( alt.designation );
1160 }
1161 }
1162 --indent;
1163
1164 return node;
1165 }
1166
1167 virtual const ast::Expr * visit( const ast::InitExpr * node ) override final {
1168 ++indent;
1169 os << "Init Expression" << endl << indent;
1170 safe_print( node->expr );
1171 os << indent << "... with designation: ";
1172 safe_print( node->designation );
1173 --indent;
1174
1175 return node;
1176 }
1177
1178 virtual const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
1179 ++indent;
1180 os << "Deleted Expression" << endl << indent;
1181 safe_print( node->expr );
1182 os << endl << indent << "... deleted by: ";
1183 safe_print( node->deleteStmt );
1184 --indent;
1185
1186 return node;
1187 }
1188
1189 virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
1190 ++indent;
1191 os << "Default Argument Expression" << endl << indent;
1192 safe_print( node->expr );
1193 --indent;
1194
1195 return node;
1196 }
1197
1198 virtual const ast::Expr * visit( const ast::GenericExpr * node ) override final {
1199 ++indent;
1200 os << "C11 _Generic Expression" << endl << indent;
1201 safe_print( node->control );
1202 os << endl << indent << "... with associations:" << endl;
1203 for ( const auto & assoc : node->associations ) {
1204 os << indent;
1205 if ( assoc.type ) {
1206 os << "... type: ";
1207 assoc.type->accept( *this );
1208 os << endl << indent << "... expression: ";
1209 safe_print( assoc.expr );
1210 } else {
1211 os << "... default: ";
1212 safe_print( assoc.expr );
1213 }
1214 os << endl;
1215 }
1216 --indent;
1217
1218 return node;
1219 }
1220
1221 virtual const ast::Type * visit( const ast::VoidType * node ) override final {
1222 preprint( node );
1223 os << "void";
1224 return node;
1225 }
1226
1227 virtual const ast::Type * visit( const ast::BasicType * node ) override final {
1228 preprint( node );
1229 os << ast::BasicType::typeNames[ node->kind ];
1230 return node;
1231 }
1232
1233 virtual const ast::Type * visit( const ast::PointerType * node ) override final {
1234 preprint( node );
1235 if ( ! node->isArray() ) {
1236 os << "pointer to ";
1237 } else {
1238 os << "decayed ";
1239 if ( node->isStatic ) {
1240 os << "static ";
1241 }
1242
1243 if ( node->isVarLen ) {
1244 os << "variable length array of ";
1245 } else if ( node->dimension ) {
1246 os << "array of ";
1247 node->dimension->accept( *this );
1248 os << " ";
1249 }
1250 }
1251 safe_print( node->base );
1252
1253 return node;
1254 }
1255
1256 virtual const ast::Type * visit( const ast::ArrayType * node ) override final {
1257 preprint( node );
1258 if ( node->isStatic ) {
1259 os << "static ";
1260 }
1261
1262 if ( node->isVarLen ) {
1263 os << "variable length array of ";
1264 } else if ( node->dimension ) {
1265 os << "array of ";
1266 } else {
1267 os << "open array of ";
1268 }
1269
1270 safe_print( node->base );
1271
1272 if ( node->dimension ) {
1273 os << " with dimension of ";
1274 node->dimension->accept( *this );
1275 }
1276
1277 return node;
1278 }
1279
1280 virtual const ast::Type * visit( const ast::ReferenceType * node ) override final {
1281 preprint( node );
1282 os << "reference to ";
1283 safe_print( node->base );
1284
1285 return node;
1286 }
1287
1288 virtual const ast::Type * visit( const ast::QualifiedType * node ) override final {
1289 preprint( node );
1290 ++indent;
1291 os << "Qualified Type:" << endl << indent;
1292 safe_print( node->parent );
1293 os << endl << indent;
1294 safe_print( node->child );
1295 os << endl;
1296 --indent;
1297
1298 return node;
1299 }
1300
1301 virtual const ast::Type * visit( const ast::FunctionType * node ) override final {
1302 preprint( node );
1303
1304 os << "function" << endl;
1305 if ( ! node->params.empty() ) {
1306 os << indent << "... with parameters" << endl;
1307 ++indent;
1308 printAll( node->params );
1309 if ( node->isVarArgs ) {
1310 os << indent << "and a variable number of other arguments" << endl;
1311 }
1312 --indent;
1313 } else if ( node->isVarArgs ) {
1314 os << indent+1 << "accepting unspecified arguments" << endl;
1315 }
1316
1317 os << indent << "... returning";
1318 if ( node->returns.empty() ) {
1319 os << " nothing" << endl;
1320 } else {
1321 os << endl;
1322 ++indent;
1323 printAll( node->returns );
1324 --indent;
1325 }
1326
1327 return node;
1328 }
1329
1330 virtual const ast::Type * visit( const ast::StructInstType * node ) override final {
1331 preprint( node );
1332 os << "instance of struct " << node->name;
1333 if ( node->base ) {
1334 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1335 }
1336 print( node->params );
1337
1338 return node;
1339 }
1340
1341 virtual const ast::Type * visit( const ast::UnionInstType * node ) override final {
1342 preprint( node );
1343 os << "instance of union " << node->name;
1344 if ( node->base ) {
1345 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1346 }
1347 print( node->params );
1348
1349 return node;
1350 }
1351
1352 virtual const ast::Type * visit( const ast::EnumInstType * node ) override final {
1353 preprint( node );
1354 os << "instance of enum " << node->name;
1355 if ( node->base ) {
1356 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1357 }
1358 print( node->params );
1359
1360 return node;
1361 }
1362
1363 virtual const ast::Type * visit( const ast::TraitInstType * node ) override final {
1364 preprint( node );
1365 os << "instance of trait " << node->name;
1366 print( node->params );
1367
1368 return node;
1369 }
1370
1371 virtual const ast::Type * visit( const ast::TypeInstType * node ) override final {
1372 preprint( node );
1373 os << "instance of type " << node->name
1374 << " (" << (node->kind == ast::TypeDecl::Ftype ? "" : "not ") << "function type)";
1375 print( node->params );
1376
1377 return node;
1378 }
1379
1380 virtual const ast::Type * visit( const ast::TupleType * node ) override final {
1381 preprint( node );
1382 os << "tuple of types" << endl;
1383 ++indent;
1384 printAll( node->types );
1385 --indent;
1386
1387 return node;
1388 }
1389
1390 virtual const ast::Type * visit( const ast::TypeofType * node ) override final {
1391 preprint( node );
1392 if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
1393 os << "type-of expression ";
1394 safe_print( node->expr );
1395
1396 return node;
1397 }
1398
1399 virtual const ast::Type * visit( const ast::VarArgsType * node ) override final {
1400 preprint( node );
1401 os << "builtin var args pack";
1402 return node;
1403 }
1404
1405 virtual const ast::Type * visit( const ast::ZeroType * node ) override final {
1406 preprint( node );
1407 os << "zero_t";
1408 return node;
1409 }
1410
1411 virtual const ast::Type * visit( const ast::OneType * node ) override final {
1412 preprint( node );
1413 os << "one_t";
1414 return node;
1415 }
1416
1417 virtual const ast::Type * visit( const ast::GlobalScopeType * node ) override final {
1418 preprint( node );
1419 os << "Global Scope Type";
1420 return node;
1421 }
1422
1423 virtual const ast::Designation * visit( const ast::Designation * node ) override final {
1424 if ( node->designators.empty() ) return node;
1425 os << "... designated by: " << endl;
1426 ++indent;
1427 for ( const ast::Expr * d : node->designators ) {
1428 os << indent;
1429 d->accept( *this );
1430 os << endl;
1431 }
1432 --indent;
1433 return node;
1434 }
1435
1436 virtual const ast::Init * visit( const ast::SingleInit * node ) override final {
1437 os << "Simple Initializer: ";
1438 safe_print( node->value );
1439 return node;
1440 }
1441
1442 virtual const ast::Init * visit( const ast::ListInit * node ) override final {
1443 os << "Compound initializer: " << endl;
1444 ++indent;
1445 for ( auto p : group_iterate( node->designations, node->initializers ) ) {
1446 const ast::Designation * d = std::get<0>(p);
1447 const ast::Init * init = std::get<1>(p);
1448 os << indent;
1449 init->accept( *this );
1450 os << endl;
1451 if ( ! d->designators.empty() ) {
1452 os << indent;
1453 d->accept( *this );
1454 }
1455 }
1456 --indent;
1457 return node;
1458 }
1459
1460 virtual const ast::Init * visit( const ast::ConstructorInit * node ) override final {
1461 os << "Constructor initializer: " << endl;
1462 if ( node->ctor ) {
1463 os << indent << "... initially constructed with ";
1464 ++indent;
1465 node->ctor->accept( *this );
1466 --indent;
1467 }
1468
1469 if ( node->dtor ) {
1470 os << indent << "... destructed with ";
1471 ++indent;
1472 node->dtor->accept( *this );
1473 --indent;
1474 }
1475
1476 if ( node->init ) {
1477 os << indent << "... with fallback C-style initializer: ";
1478 ++indent;
1479 node->init->accept( *this );
1480 --indent;
1481 }
1482 return node;
1483 }
1484
1485 virtual const ast::Attribute * visit( const ast::Attribute * node ) override final {
1486 if ( node->empty() ) return node;
1487 os << "Attribute with name: " << node->name;
1488 if ( node->params.empty() ) return node;
1489 os << " with parameters: " << endl;
1490 ++indent;
1491 printAll( node->params );
1492 --indent;
1493 return node;
1494 }
1495
1496 virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
1497 os << indent << "Types:" << endl;
1498 for ( const auto& i : *node ) {
1499 os << indent+1 << i.first << " -> ";
1500 indent += 2;
1501 safe_print( i.second );
1502 indent -= 2;
1503 os << endl;
1504 }
1505 os << indent << "Non-types:" << endl;
1506 for ( auto i = node->beginVar(); i != node->endVar(); ++i ) {
1507 os << indent+1 << i->first << " -> ";
1508 indent += 2;
1509 safe_print( i->second );
1510 indent -= 2;
1511 os << endl;
1512 }
1513 return node;
1514 }
1515
1516};
1517
1518void print( ostream & os, const ast::Node * node, Indenter indent ) {
1519 Printer printer { os, indent, false };
1520 node->accept(printer);
1521}
1522
1523void printShort( ostream & os, const ast::Decl * node, Indenter indent ) {
1524 Printer printer { os, indent, true };
1525 node->accept(printer);
1526}
1527
1528// Annoyingly these needed to be defined out of line to avoid undefined references.
1529// The size here needs to be explicit but at least the compiler will produce an error
1530// if the wrong size is specified
1531constexpr array<const char*, 3> Printer::Names::FuncSpecifiers;
1532constexpr array<const char*, 5> Printer::Names::StorageClasses;
1533constexpr array<const char*, 6> Printer::Names::Qualifiers;
1534}
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