source: src/AST/Print.cpp@ 06c61e2

ADT ast-experimental enum forall-pointer-decay jacob/cs343-translation new-ast-unique-expr pthread-emulation qualifiedEnum
Last change on this file since 06c61e2 was 3945abe, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

New-AST boilerplate for vtable
  • Property mode set to 100644
File size: 36.6 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#include "CompilationState.h"
24
25#include "Common/utility.h" // for group_iterate
26
27using namespace std;
28
29namespace ast {
30
31template <typename C, typename... T>
32constexpr array<C,sizeof...(T)> make_array(T&&... values)
33{
34 return array<C,sizeof...(T)>{
35 forward<T>(values)...
36 };
37}
38
39class Printer final : 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 if (inferred.data.resnSlots && !inferred.data.resnSlots->empty()) {
132 os << indent << "with " << inferred.data.resnSlots->size()
133 << " pending inference slots" << endl;
134 }
135 if (inferred.data.inferParams && !inferred.data.inferParams->empty()) {
136 os << indent << "with inferred parameters " << level << ":" << endl;
137 ++indent;
138 for ( const auto & i : *inferred.data.inferParams ) {
139 os << indent;
140 short_print( i.second.declptr );
141 os << endl;
142 print( i.second.expr->inferred, level+1 );
143 }
144 --indent;
145 }
146 }
147
148 void print( const ast::FunctionType::ForallList & forall ) {
149 if ( forall.empty() ) return;
150 os << "forall" << endl;
151 ++indent;
152 printAll( forall );
153 os << indent;
154 --indent;
155 }
156
157 void print( const ast::FunctionType::AssertionList & assts ) {
158 if (assts.empty()) return;
159 os << "with assertions" << endl;
160 ++indent;
161 printAll(assts);
162 os << indent;
163 --indent;
164 }
165
166 void print( const std::vector<ptr<Attribute>> & attrs ) {
167 if ( attrs.empty() ) return;
168 os << "with attributes" << endl;
169 ++indent;
170 printAll( attrs );
171 --indent;
172 }
173
174 void print( const std::vector<ptr<Expr>> & params ) {
175 if ( params.empty() ) return;
176 os << endl << indent << "... with parameters" << endl;
177 ++indent;
178 printAll( params );
179 --indent;
180 }
181
182 void print( const ast::AggregateDecl * node ) {
183 os << node->typeString() << " " << node->name;
184
185 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
186 os << " " << Linkage::name( node->linkage );
187 }
188
189 os << " " << (node->body ? "with" : "without") << " body";
190
191 if ( ! node->params.empty() ) {
192 os << endl << indent << "... with parameters" << endl;
193 ++indent;
194 printAll( node->params );
195 --indent;
196 }
197
198 if ( ! short_mode && ! node->members.empty() ) {
199 os << endl << indent << "... with members" << endl;
200 ++indent;
201 printAll( node->members );
202 --indent;
203 }
204
205 if ( ! short_mode && ! node->attributes.empty() ) {
206 os << endl << indent << "... with attributes" << endl;
207 ++indent;
208 printAll( node->attributes );
209 --indent;
210 }
211
212 os << endl;
213 }
214
215 void preprint( const ast::NamedTypeDecl * node ) {
216 if ( ! node->name.empty() ) {
217 os << node->name << ": ";
218 }
219
220 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
221 os << Linkage::name( node->linkage ) << " ";
222 }
223
224 print( node->storage );
225 os << node->typeString();
226
227 if ( node->base ) {
228 os << " for ";
229 ++indent;
230 node->base->accept( *this );
231 --indent;
232 }
233
234 if ( ! node->assertions.empty() ) {
235 os << endl << indent << "... with assertions" << endl;
236 ++indent;
237 printAll( node->assertions );
238 --indent;
239 }
240 }
241
242 void postprint( const ast::Expr * node ) {
243 print( node->inferred );
244
245 if ( node->result ) {
246 os << endl << indent << "... with resolved type:" << endl;
247 ++indent;
248 os << indent;
249 node->result->accept( *this );
250 --indent;
251 }
252
253 if ( node->env ) {
254 os << endl << indent << "... with environment:" << endl;
255 ++indent;
256 node->env->accept( *this );
257 --indent;
258 }
259
260 if ( node->extension ) {
261 os << endl << indent << "... with extension";
262 }
263 }
264
265 void preprint( const ast::Type * node ) {
266 print( node->qualifiers );
267 }
268
269 void preprint( const ast::FunctionType * node ) {
270 print( node->forall );
271 print( node->assertions );
272 print( node->qualifiers );
273 }
274
275 void preprint( const ast::BaseInstType * node ) {
276 print( node->attributes );
277 print( node->qualifiers );
278 }
279
280public:
281 virtual const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
282 if ( ! node->name.empty() ) os << node->name << ": ";
283
284 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
285 os << Linkage::name( node->linkage ) << " ";
286 }
287
288 print( node->storage );
289
290 if ( node->type ) {
291 node->type->accept( *this );
292 } else {
293 os << "untyped entity";
294 }
295
296 if ( ! short_mode && node->init ) {
297 ++indent;
298 os << " with initializer (" << (
299 node->init->maybeConstructed
300 ? "maybe constructed"
301 : "not constructed"
302 ) << ")" << endl << indent;
303 node->init->accept( *this );
304 --indent;
305 os << endl;
306 }
307
308 if ( ! short_mode && ! node->attributes.empty() ) {
309 os << endl << indent << "... with attributes:" << endl;
310 ++indent;
311 printAll( node->attributes );
312 --indent;
313 }
314
315 if ( node->bitfieldWidth ) {
316 os << indent << " with bitfield width ";
317 node->bitfieldWidth->accept( *this );
318 }
319
320 return node;
321 }
322
323 virtual const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
324 if ( !node->name.empty() ) os << node->name << ": ";
325
326 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
327 os << Linkage::name( node->linkage ) << " ";
328 }
329
330 if ( ! short_mode ) printAll( node->attributes );
331
332 print( node->storage );
333 print( node->funcSpec );
334
335 if ( node->type ) {
336 node->type->accept( *this );
337 } else {
338 os << "untyped entity";
339 }
340
341 if ( ! short_mode && node->stmts ) {
342 ++indent;
343 os << " with body" << endl << indent;
344 node->stmts->accept( *this );
345 --indent;
346 }
347
348 return node;
349 }
350
351 virtual const ast::Decl * visit( const ast::StructDecl * node ) override final {
352 print(node);
353 return node;
354 }
355
356 virtual const ast::Decl * visit( const ast::UnionDecl * node ) override final {
357 print(node);
358 return node;
359 }
360
361 virtual const ast::Decl * visit( const ast::EnumDecl * node ) override final {
362 print(node);
363 return node;
364 }
365
366 virtual const ast::Decl * visit( const ast::TraitDecl * node ) override final {
367 print(node);
368 return node;
369 }
370
371 virtual const ast::Decl * visit( const ast::TypeDecl * node ) override final {
372 preprint( node );
373 if ( ! short_mode && node->init ) {
374 os << endl << indent << "with type initializer: ";
375 ++indent;
376 node->init->accept( *this );
377 --indent;
378 }
379
380 return node;
381 }
382
383 virtual const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
384 preprint( node );
385 return node;
386 }
387
388 virtual const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
389 safe_print( node->stmt );
390 return node;
391 }
392
393 virtual const ast::DirectiveDecl * visit( const ast::DirectiveDecl * node ) override final {
394 safe_print( node->stmt );
395 return node;
396 }
397
398 virtual const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
399 os << "Static Assert with condition: ";
400 ++indent;
401 safe_print( node->cond );
402 os << endl << indent-1 << "and message: ";
403 safe_print( node->msg );
404 --indent;
405 os << endl;
406
407 return node;
408 }
409
410 virtual const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
411 os << "Compound Statement:" << endl;
412 ++indent;
413 printAll( node->kids );
414 --indent;
415 return node;
416 }
417
418 virtual const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
419 ++indent;
420 os << "Expression Statement:" << endl << indent;
421 safe_print( node->expr );
422 --indent;
423 return node;
424 }
425
426 virtual const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
427 os << "Assembler Statement:" << endl;
428 ++indent;
429 os << indent-1 << "instruction:" << endl << indent;
430 safe_print( node->instruction );
431 if ( ! node->output.empty() ) {
432 os << endl << indent << "output:" << endl;
433 printAll( node->output );
434 } // if
435 if ( ! node->input.empty() ) {
436 os << indent << "input:" << endl;
437 printAll( node->input );
438 } // if
439 if ( ! node->clobber.empty() ) {
440 os << indent << "clobber:" << endl;
441 printAll( node->clobber );
442 } // if
443 --indent;
444 return node;
445 }
446
447 virtual const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
448 os << "GCC Directive: " << node->directive << endl;
449 return node;
450 }
451
452 virtual const ast::Stmt * visit( const ast::IfStmt * node ) override final {
453 os << "If on condition:" << endl;
454 ++indent;
455 os << indent;
456 safe_print( node->cond );
457 --indent;
458
459 if ( ! node->inits.empty() ) {
460 os << indent << "... with initialization:" << endl;
461 ++indent;
462 for ( const ast::Stmt * stmt : node->inits ) {
463 os << indent;
464 safe_print( stmt );
465 }
466 --indent;
467 os << endl;
468 }
469
470 os << indent << "... then:" << endl;
471
472 ++indent;
473 os << indent;
474 safe_print( node->thenPart );
475 --indent;
476
477 if ( node->elsePart != 0 ) {
478 os << indent << "... else:" << endl;
479 ++indent;
480 os << indent;
481 node->elsePart->accept( *this );
482 --indent;
483 } // if
484 return node;
485 }
486
487 virtual const ast::Stmt * visit( const ast::WhileStmt * node ) override final {
488 if ( node->isDoWhile ) { os << "Do-"; }
489 os << "While on condition:" << endl;
490 ++indent;
491 safe_print( node->cond );
492 os << indent-1 << "... with body:" << endl;
493 safe_print( node->body );
494
495 if ( ! node->inits.empty() ) {
496 os << indent-1 << "... with inits:" << endl;
497 printAll( node->inits );
498 }
499 --indent;
500
501 return node;
502 }
503
504 virtual const ast::Stmt * visit( const ast::ForStmt * node ) override final {
505 os << "For Statement" << endl;
506
507 if ( ! node->inits.empty() ) {
508 os << indent << "... initialization:" << endl;
509 ++indent;
510 for ( const ast::Stmt * stmt : node->inits ) {
511 os << indent+1;
512 safe_print( stmt );
513 }
514 --indent;
515 }
516
517 if ( node->cond ) {
518 os << indent << "... condition:" << endl;
519 ++indent;
520 os << indent;
521 node->cond->accept( *this );
522 --indent;
523 }
524
525 if ( node->inc ) {
526 os << indent << "... increment:" << endl;
527 ++indent;
528 os << indent;
529 node->inc->accept( *this );
530 --indent;
531 }
532
533 if ( node->body ) {
534 os << indent << "... with body:" << endl;
535 ++indent;
536 os << indent;
537 node->body->accept( *this );
538 --indent;
539 }
540 os << endl;
541 print( node->labels );
542
543 return node;
544 }
545
546 virtual const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
547 os << "Switch on condition: ";
548 safe_print( node->cond );
549 os << endl;
550
551 ++indent;
552 for ( const ast::Stmt * stmt : node->stmts ) {
553 stmt->accept( *this );
554 }
555 --indent;
556
557 return node;
558 }
559
560 virtual const ast::Stmt * visit( const ast::CaseStmt * node ) override final {
561 if ( node->isDefault() ) {
562 os << indent << "Default ";
563 } else {
564 os << indent << "Case ";
565 safe_print( node->cond );
566 } // if
567 os << endl;
568
569 ++indent;
570 for ( const ast::Stmt * stmt : node->stmts ) {
571 os << indent;
572 stmt->accept( *this );
573 }
574 --indent;
575
576 return node;
577 }
578
579 virtual const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
580 os << "Branch (" << node->kindName() << ")" << endl;
581 ++indent;
582 if ( ! node->target.empty() ) {
583 os << indent << "with target: " << node->target << endl;
584 }
585
586 if ( ! node->originalTarget.empty() ) {
587 os << indent << "with original target: " << node->originalTarget << endl;
588 }
589
590 if ( node->computedTarget ) {
591 os << indent << "with computed target: ";
592 node->computedTarget->accept( *this );
593 os << endl;
594 }
595 --indent;
596
597 return node;
598 }
599
600 virtual const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
601 os << "Return Statement, returning";
602 if ( node->expr ) {
603 ++indent;
604 os << ":" << endl << indent;
605 node->expr->accept( *this );
606 --indent;
607 } else {
608 os << " void";
609 }
610 os << endl;
611
612 return node;
613 }
614
615 virtual const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
616 if ( node->target ) os << "Non-Local ";
617
618 switch( node->kind ) {
619 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
620 case ast::ExceptionKind::Resume: os << "Resume "; break;
621 }
622
623 ++indent;
624 os << "Throw Statement, raising: ";
625 safe_print( node->expr );
626 if ( node->target ) {
627 os << "... at: ";
628 node->target->accept( *this );
629 }
630 --indent;
631
632 return node;
633 }
634
635 virtual const ast::Stmt * visit( const ast::TryStmt * node ) override final {
636 ++indent;
637 os << "Try Statement" << endl << indent-1
638 << "... with block:" << endl << indent;
639 safe_print( node->body );
640
641 os << indent-1 << "... and handlers:" << endl;
642 for ( const ast::CatchStmt * stmt : node->handlers ) {
643 os << indent;
644 stmt->accept( *this );
645 }
646
647 if ( node->finally ) {
648 os << indent-1 << "... and finally:" << endl << indent;
649 node->finally->accept( *this );
650 }
651 --indent;
652
653 return node;
654 }
655
656 virtual const ast::Stmt * visit( const ast::CatchStmt * node ) override final {
657 os << "Catch ";
658 switch ( node->kind ) {
659 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
660 case ast::ExceptionKind::Resume: os << "Resume "; break;
661 }
662 os << "Statement" << endl << indent;
663
664 ++indent;
665 os << "... catching: ";
666 short_print( node->decl );
667 os << endl;
668
669 if ( node->cond ) {
670 os << indent-1 << "... with conditional:" << endl << indent;
671 node->cond->accept( *this );
672 }
673
674 os << indent-1 << "... with block:" << endl << indent;
675 safe_print( node->body );
676 --indent;
677
678 return node;
679 }
680
681 virtual const ast::Stmt * visit( const ast::FinallyStmt * node ) override final {
682 os << "Finally Statement" << endl;
683 os << indent << "... with block:" << endl;
684 ++indent;
685 os << indent;
686 safe_print( node->body );
687 --indent;
688
689 return node;
690 }
691
692 virtual const ast::Stmt * visit( const ast::SuspendStmt * node ) override final {
693 os << "Suspend Statement";
694 switch (node->type) {
695 case ast::SuspendStmt::None : os << " with implicit target"; break;
696 case ast::SuspendStmt::Generator: os << " for generator"; break;
697 case ast::SuspendStmt::Coroutine: os << " for coroutine"; break;
698 }
699 os << endl;
700
701 ++indent;
702 if(node->then) {
703 os << indent << " with post statement :" << endl;
704 safe_print( node->then );
705 }
706 ++indent;
707
708 return node;
709 }
710
711 virtual const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
712 os << "Waitfor Statement" << endl;
713 indent += 2;
714 for( const auto & clause : node->clauses ) {
715 os << indent-1 << "target function: ";
716 safe_print( clause.target.func );
717
718 if ( ! clause.target.args.empty() ) {
719 os << endl << indent-1 << "... with arguments:" << endl;
720 for( const ast::Expr * arg : clause.target.args ) {
721 arg->accept( *this );
722 }
723 }
724
725 if ( clause.stmt ) {
726 os << indent-1 << "... with statment:" << endl;
727 clause.stmt->accept( *this );
728 }
729
730 if ( clause.cond ) {
731 os << indent-1 << "... with condition:" << endl;
732 clause.cond->accept( *this );
733 }
734 }
735
736 if ( node->timeout.time ) {
737 os << indent-1 << "timeout of:" << endl;
738 node->timeout.time->accept( *this );
739
740 if ( node->timeout.stmt ) {
741 os << indent-1 << "... with statment:" << endl;
742 node->timeout.stmt->accept( *this );
743 }
744
745 if ( node->timeout.cond ) {
746 os << indent-1 << "... with condition:" << endl;
747 node->timeout.cond->accept( *this );
748 }
749 }
750
751 if ( node->orElse.stmt ) {
752 os << indent-1 << "else:" << endl;
753 node->orElse.stmt->accept( *this );
754
755 if ( node->orElse.cond ) {
756 os << indent-1 << "... with condition:" << endl;
757 node->orElse.cond->accept( *this );
758 }
759 }
760 indent -= 2;
761
762 return node;
763 }
764
765 virtual const ast::Decl * visit( const ast::WithStmt * node ) override final {
766 os << "With statement" << endl;
767 os << indent << "... with expressions:" << endl;
768 ++indent;
769 printAll( node->exprs );
770 os << indent-1 << "... with statement:" << endl << indent;
771 safe_print( node->stmt );
772 --indent;
773
774 return node;
775 }
776
777 virtual const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
778 os << "Null Statement" << endl;
779 print( node->labels );
780
781 return node;
782 }
783
784 virtual const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
785 os << "Declaration of ";
786 safe_print( node->decl );
787
788 return node;
789 }
790
791 virtual const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
792 os << "Implicit Ctor Dtor Statement" << endl;
793 os << indent << "... with Ctor/Dtor: ";
794 ++indent;
795 safe_print( node->callStmt );
796 --indent;
797 os << endl;
798
799 return node;
800 }
801
802 virtual const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
803 ++indent;
804 os << "Application of" << endl << indent;
805 safe_print( node->func );
806 os << endl;
807 if ( ! node->args.empty() ) {
808 os << indent << "... to arguments" << endl;
809 printAll( node->args );
810 }
811 --indent;
812 postprint( node );
813
814 return node;
815 }
816
817 virtual const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
818 ++indent;
819 os << "Applying untyped:" << endl;
820 os << indent;
821 safe_print( node->func );
822 os << endl << indent-1 << "...to:" << endl;
823 printAll( node->args );
824 --indent;
825 postprint( node );
826
827 return node;
828 }
829
830 virtual const ast::Expr * visit( const ast::NameExpr * node ) override final {
831 os << "Name: " << node->name;
832 postprint( node );
833
834 return node;
835 }
836
837 virtual const ast::Expr * visit( const ast::AddressExpr * node ) override final {
838 os << "Address of:" << endl;
839 ++indent;
840 os << indent;
841 safe_print( node->arg );
842
843 --indent;
844
845 return node;
846 }
847
848 virtual const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
849 os << "Address of label:" << node->arg;
850
851 return node;
852 }
853
854 virtual const ast::Expr * visit( const ast::CastExpr * node ) override final {
855 ++indent;
856 os << (node->isGenerated ? "Generated" : "Explicit") << " Cast of:" << endl << indent;
857 safe_print( node->arg );
858 os << endl << indent-1 << "... to:";
859 if ( ! node->result ) {
860 os << " ";
861 undefined();
862 } else if ( node->result->isVoid() ) {
863 os << " nothing";
864 } else {
865 os << endl << indent;
866 node->result->accept( *this );
867 } // if
868 --indent;
869 postprint( node );
870
871 return node;
872 }
873
874 virtual const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
875 ++indent;
876 os << "Keyword Cast of:" << endl << indent;
877 safe_print( node->arg );
878 --indent;
879 os << endl << indent << "... to: " << node->targetString();
880 postprint( node );
881
882 return node;
883 }
884
885 virtual const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
886 ++indent;
887 os << "Virtual Cast of:" << endl << indent;
888 safe_print( node->arg );
889 os << endl << indent-1 << "... to:";
890 if ( ! node->result ) {
891 os << " unknown";
892 } else {
893 os << endl << indent;
894 node->result->accept( *this );
895 }
896 --indent;
897 postprint( node );
898
899 return node;
900 }
901
902 virtual const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
903 ++indent;
904 os << "Untyped Member Expression, with field: " << endl << indent;
905 safe_print( node->member );
906 os << indent-1 << "... from aggregate:" << endl << indent;
907 safe_print( node->aggregate );
908 --indent;
909 postprint( node );
910
911 return node;
912 }
913
914 virtual const ast::Expr * visit( const ast::MemberExpr * node ) override final {
915 ++indent;
916 os << "Member Expression, with field:" << endl << indent;
917 safe_print( node->member );
918 os << endl << indent-1 << "... from aggregate:" << endl << indent;
919 safe_print( node->aggregate );
920 --indent;
921 postprint( node );
922
923 return node;
924 }
925
926 virtual const ast::Expr * visit( const ast::VariableExpr * node ) override final {
927 os << "Variable Expression: ";
928 short_print( node->var );
929 postprint( node );
930
931 return node;
932 }
933
934 virtual const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
935 os << "Constant Expression (" << node->rep;
936 if ( node->result ) {
937 os << ": ";
938 node->result->accept( *this );
939 }
940 os << ")";
941 postprint( node );
942
943 return node;
944 }
945
946 virtual const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
947 os << "Sizeof Expression on: ";
948 ++indent;
949 if ( node->type ) node->type->accept( *this );
950 else safe_print( node->expr );
951 --indent;
952 postprint( node );
953
954 return node;
955 }
956
957 virtual const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
958 os << "Alignof Expression on: ";
959 ++indent;
960 if ( node->type ) node->type->accept( *this );
961 else safe_print( node->expr );
962 --indent;
963 postprint( node );
964
965 return node;
966 }
967
968 virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
969 os << "Untyped Offsetof Expression on member " << node->member << " of ";
970 ++indent;
971 safe_print( node->type );
972 --indent;
973 postprint( node );
974
975 return node;
976 }
977
978 virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
979 os << "Offsetof Expression on member " << node->member->name << " of ";
980 ++indent;
981 safe_print( node->type );
982 --indent;
983 postprint( node );
984
985 return node;
986 }
987
988 virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
989 os << "Offset Pack Expression on: ";
990 ++indent;
991 safe_print( node->type );
992 --indent;
993 postprint( node );
994
995 return node;
996 }
997
998 virtual const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
999 os << "Short-circuited operation (" << (node->isAnd ? "and" : "or") << ") on: ";
1000 safe_print( node->arg1 );
1001 os << " and ";
1002 safe_print( node->arg2 );
1003 postprint( node );
1004
1005 return node;
1006 }
1007
1008 virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
1009 ++indent;
1010 os << "Conditional expression on:" << endl << indent;
1011 safe_print( node->arg1 );
1012 os << indent-1 << "First alternative:" << endl << indent;
1013 safe_print( node->arg2 );
1014 os << indent-1 << "Second alternative:" << endl << indent;
1015 safe_print( node->arg3 );
1016 --indent;
1017 postprint( node );
1018
1019 return node;
1020 }
1021
1022 virtual const ast::Expr * visit( const ast::CommaExpr * node ) override final {
1023 ++indent;
1024 os << "Comma Expression:" << endl << indent;
1025 safe_print( node->arg1 );
1026 os << endl << indent;
1027 safe_print( node->arg2 );
1028 --indent;
1029 postprint( node );
1030
1031 return node;
1032 }
1033
1034 virtual const ast::Expr * visit( const ast::TypeExpr * node ) override final {
1035 safe_print( node->type );
1036 postprint( node );
1037
1038 return node;
1039 }
1040
1041 virtual const ast::Expr * visit( const ast::AsmExpr * node ) override final {
1042 os << "Asm Expression:" << endl;
1043 ++indent;
1044 if ( !node->inout.empty() ) os << "[" << node->inout << "] ";
1045 if ( node->constraint ) node->constraint->accept( *this );
1046 if ( node->operand ) node->operand->accept( *this );
1047 --indent;
1048
1049 return node;
1050 }
1051
1052 virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
1053 ++indent;
1054 os << "Implicit Copy Constructor Expression:" << endl << indent;
1055 safe_print( node->callExpr );
1056 --indent;
1057 postprint( node );
1058
1059 return node;
1060 }
1061
1062 virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
1063 os << "Constructor Expression:" << endl << indent+1;
1064 indent += 2;
1065 safe_print( node->callExpr );
1066 indent -= 2;
1067 postprint( node );
1068
1069 return node;
1070 }
1071
1072 virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
1073 ++indent;
1074 os << "Compound Literal Expression: " << endl << indent;
1075 safe_print( node->result );
1076 os << indent;
1077 safe_print( node->init );
1078 --indent;
1079 postprint( node );
1080
1081 return node;
1082 }
1083
1084 virtual const ast::Expr * visit( const ast::RangeExpr * node ) override final {
1085 os << "Range Expression: ";
1086 safe_print( node->low );
1087 os << " ... ";
1088 safe_print( node->high );
1089 postprint( node );
1090
1091 return node;
1092 }
1093
1094 virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
1095 os << "Untyped Tuple:" << endl;
1096 ++indent;
1097 printAll( node->exprs );
1098 --indent;
1099 postprint( node );
1100
1101 return node;
1102 }
1103
1104 virtual const ast::Expr * visit( const ast::TupleExpr * node ) override final {
1105 os << "Tuple:" << endl;
1106 ++indent;
1107 printAll( node->exprs );
1108 --indent;
1109 postprint( node );
1110
1111 return node;
1112 }
1113
1114 virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
1115 os << "Tuple Index Expression, with tuple:" << endl;
1116 ++indent;
1117 os << indent;
1118 safe_print( node->tuple );
1119 os << indent << "with index: " << node->index << endl;
1120 --indent;
1121 postprint( node );
1122
1123 return node;
1124 }
1125
1126 virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
1127 os << "Tuple Assignment Expression, with stmt expr:" << endl;
1128 ++indent;
1129 os << indent;
1130 safe_print( node->stmtExpr );
1131 --indent;
1132 postprint( node );
1133
1134 return node;
1135 }
1136
1137 virtual const ast::Expr * visit( const ast::StmtExpr * node ) override final {
1138 ++indent;
1139 os << "Statement Expression:" << endl << indent;
1140 safe_print( node->stmts );
1141 if ( ! node->returnDecls.empty() ) {
1142 os << indent << "... with returnDecls: ";
1143 printAll( node->returnDecls );
1144 }
1145 if ( ! node->dtors.empty() ) {
1146 os << indent << "... with dtors: ";
1147 printAll( node->dtors );
1148 }
1149 --indent;
1150 postprint( node );
1151
1152 return node;
1153 }
1154
1155 virtual const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
1156 ++indent;
1157 os << "Unique Expression with id: " << node->id << endl << indent;
1158 safe_print( node->expr );
1159 if ( node->object ) {
1160 os << indent-1 << "... with decl: ";
1161 short_print( node->object );
1162 }
1163 --indent;
1164 postprint( node );
1165
1166 return node;
1167 }
1168
1169 virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
1170 ++indent;
1171 os << "Untyped Init Expression" << endl << indent;
1172 safe_print( node->expr );
1173 if ( ! node->initAlts.empty() ) {
1174 for ( const InitAlternative & alt : node->initAlts ) {
1175 os << indent << "InitAlternative: ";
1176 safe_print( alt.type );
1177 safe_print( alt.designation );
1178 }
1179 }
1180 --indent;
1181
1182 return node;
1183 }
1184
1185 virtual const ast::Expr * visit( const ast::InitExpr * node ) override final {
1186 ++indent;
1187 os << "Init Expression" << endl << indent;
1188 safe_print( node->expr );
1189 os << indent << "... with designation: ";
1190 safe_print( node->designation );
1191 --indent;
1192
1193 return node;
1194 }
1195
1196 virtual const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
1197 ++indent;
1198 os << "Deleted Expression" << endl << indent;
1199 safe_print( node->expr );
1200 os << endl << indent << "... deleted by: ";
1201 safe_print( node->deleteStmt );
1202 --indent;
1203
1204 return node;
1205 }
1206
1207 virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
1208 ++indent;
1209 os << "Default Argument Expression" << endl << indent;
1210 safe_print( node->expr );
1211 --indent;
1212
1213 return node;
1214 }
1215
1216 virtual const ast::Expr * visit( const ast::GenericExpr * node ) override final {
1217 ++indent;
1218 os << "C11 _Generic Expression" << endl << indent;
1219 safe_print( node->control );
1220 os << endl << indent << "... with associations:" << endl;
1221 for ( const auto & assoc : node->associations ) {
1222 os << indent;
1223 if ( assoc.type ) {
1224 os << "... type: ";
1225 assoc.type->accept( *this );
1226 os << endl << indent << "... expression: ";
1227 safe_print( assoc.expr );
1228 } else {
1229 os << "... default: ";
1230 safe_print( assoc.expr );
1231 }
1232 os << endl;
1233 }
1234 --indent;
1235
1236 return node;
1237 }
1238
1239 virtual const ast::Type * visit( const ast::VoidType * node ) override final {
1240 preprint( node );
1241 os << "void";
1242 return node;
1243 }
1244
1245 virtual const ast::Type * visit( const ast::BasicType * node ) override final {
1246 preprint( node );
1247 os << ast::BasicType::typeNames[ node->kind ];
1248 return node;
1249 }
1250
1251 virtual const ast::Type * visit( const ast::PointerType * node ) override final {
1252 preprint( node );
1253 if ( ! node->isArray() ) {
1254 os << "pointer to ";
1255 } else {
1256 os << "decayed ";
1257 if ( node->isStatic ) {
1258 os << "static ";
1259 }
1260
1261 if ( node->isVarLen ) {
1262 os << "variable length array of ";
1263 } else if ( node->dimension ) {
1264 os << "array of ";
1265 node->dimension->accept( *this );
1266 os << " ";
1267 }
1268 }
1269 safe_print( node->base );
1270
1271 return node;
1272 }
1273
1274 virtual const ast::Type * visit( const ast::ArrayType * node ) override final {
1275 preprint( node );
1276 if ( node->isStatic ) {
1277 os << "static ";
1278 }
1279
1280 if ( node->isVarLen ) {
1281 os << "variable length array of ";
1282 } else if ( node->dimension ) {
1283 os << "array of ";
1284 } else {
1285 os << "open array of ";
1286 }
1287
1288 safe_print( node->base );
1289
1290 if ( node->dimension ) {
1291 os << " with dimension of ";
1292 node->dimension->accept( *this );
1293 }
1294
1295 return node;
1296 }
1297
1298 virtual const ast::Type * visit( const ast::ReferenceType * node ) override final {
1299 preprint( node );
1300 os << "reference to ";
1301 safe_print( node->base );
1302
1303 return node;
1304 }
1305
1306 virtual const ast::Type * visit( const ast::QualifiedType * node ) override final {
1307 preprint( node );
1308 ++indent;
1309 os << "Qualified Type:" << endl << indent;
1310 safe_print( node->parent );
1311 os << endl << indent;
1312 safe_print( node->child );
1313 os << endl;
1314 --indent;
1315
1316 return node;
1317 }
1318
1319 virtual const ast::Type * visit( const ast::FunctionType * node ) override final {
1320 preprint( node );
1321
1322 os << "function" << endl;
1323 if ( ! node->params.empty() ) {
1324 os << indent << "... with parameters" << endl;
1325 ++indent;
1326 printAll( node->params );
1327 if ( node->isVarArgs ) {
1328 os << indent << "and a variable number of other arguments" << endl;
1329 }
1330 --indent;
1331 } else if ( node->isVarArgs ) {
1332 os << indent+1 << "accepting unspecified arguments" << endl;
1333 }
1334
1335 os << indent << "... returning";
1336 if ( node->returns.empty() ) {
1337 os << " nothing" << endl;
1338 } else {
1339 os << endl;
1340 ++indent;
1341 printAll( node->returns );
1342 --indent;
1343 }
1344
1345 return node;
1346 }
1347
1348 virtual const ast::Type * visit( const ast::StructInstType * node ) override final {
1349 preprint( node );
1350 os << "instance of struct " << node->name;
1351 if ( node->base ) {
1352 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1353 }
1354 print( node->params );
1355
1356 return node;
1357 }
1358
1359 virtual const ast::Type * visit( const ast::UnionInstType * node ) override final {
1360 preprint( node );
1361 os << "instance of union " << node->name;
1362 if ( node->base ) {
1363 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1364 }
1365 print( node->params );
1366
1367 return node;
1368 }
1369
1370 virtual const ast::Type * visit( const ast::EnumInstType * node ) override final {
1371 preprint( node );
1372 os << "instance of enum " << node->name;
1373 if ( node->base ) {
1374 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1375 }
1376 print( node->params );
1377
1378 return node;
1379 }
1380
1381 virtual const ast::Type * visit( const ast::TraitInstType * node ) override final {
1382 preprint( node );
1383 os << "instance of trait " << node->name;
1384 print( node->params );
1385
1386 return node;
1387 }
1388
1389 virtual const ast::Type * visit( const ast::TypeInstType * node ) override final {
1390 preprint( node );
1391 const auto & _name = deterministic_output && isUnboundType(node) ? "[unbound]" : node->typeString();
1392 os << "instance of type " << _name
1393 << " (" << (node->kind == ast::TypeDecl::Ftype ? "" : "not ") << "function type)";
1394 print( node->params );
1395
1396 return node;
1397 }
1398
1399 virtual const ast::Type * visit( const ast::TupleType * node ) override final {
1400 preprint( node );
1401 os << "tuple of types" << endl;
1402 ++indent;
1403 printAll( node->types );
1404 --indent;
1405
1406 return node;
1407 }
1408
1409 virtual const ast::Type * visit( const ast::TypeofType * node ) override final {
1410 preprint( node );
1411 if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
1412 os << "type-of expression ";
1413 safe_print( node->expr );
1414
1415 return node;
1416 }
1417
1418 virtual const ast::Type * visit( const ast::VTableType * node ) override final {
1419 preprint( node );
1420 os << "vtable for ";
1421 safe_print( node->base );
1422
1423 return node;
1424 }
1425
1426 virtual const ast::Type * visit( const ast::VarArgsType * node ) override final {
1427 preprint( node );
1428 os << "builtin var args pack";
1429 return node;
1430 }
1431
1432 virtual const ast::Type * visit( const ast::ZeroType * node ) override final {
1433 preprint( node );
1434 os << "zero_t";
1435 return node;
1436 }
1437
1438 virtual const ast::Type * visit( const ast::OneType * node ) override final {
1439 preprint( node );
1440 os << "one_t";
1441 return node;
1442 }
1443
1444 virtual const ast::Type * visit( const ast::GlobalScopeType * node ) override final {
1445 preprint( node );
1446 os << "Global Scope Type";
1447 return node;
1448 }
1449
1450 virtual const ast::Designation * visit( const ast::Designation * node ) override final {
1451 if ( node->designators.empty() ) return node;
1452 os << "... designated by: " << endl;
1453 ++indent;
1454 for ( const ast::Expr * d : node->designators ) {
1455 os << indent;
1456 d->accept( *this );
1457 os << endl;
1458 }
1459 --indent;
1460 return node;
1461 }
1462
1463 virtual const ast::Init * visit( const ast::SingleInit * node ) override final {
1464 os << "Simple Initializer: ";
1465 safe_print( node->value );
1466 return node;
1467 }
1468
1469 virtual const ast::Init * visit( const ast::ListInit * node ) override final {
1470 os << "Compound initializer: " << endl;
1471 ++indent;
1472 for ( auto p : group_iterate( node->designations, node->initializers ) ) {
1473 const ast::Designation * d = std::get<0>(p);
1474 const ast::Init * init = std::get<1>(p);
1475 os << indent;
1476 init->accept( *this );
1477 os << endl;
1478 if ( ! d->designators.empty() ) {
1479 os << indent;
1480 d->accept( *this );
1481 }
1482 }
1483 --indent;
1484 return node;
1485 }
1486
1487 virtual const ast::Init * visit( const ast::ConstructorInit * node ) override final {
1488 os << "Constructor initializer: " << endl;
1489 if ( node->ctor ) {
1490 os << indent << "... initially constructed with ";
1491 ++indent;
1492 node->ctor->accept( *this );
1493 --indent;
1494 }
1495
1496 if ( node->dtor ) {
1497 os << indent << "... destructed with ";
1498 ++indent;
1499 node->dtor->accept( *this );
1500 --indent;
1501 }
1502
1503 if ( node->init ) {
1504 os << indent << "... with fallback C-style initializer: ";
1505 ++indent;
1506 node->init->accept( *this );
1507 --indent;
1508 }
1509 return node;
1510 }
1511
1512 virtual const ast::Attribute * visit( const ast::Attribute * node ) override final {
1513 if ( node->empty() ) return node;
1514 os << "Attribute with name: " << node->name;
1515 if ( node->params.empty() ) return node;
1516 os << " with parameters: " << endl;
1517 ++indent;
1518 printAll( node->params );
1519 --indent;
1520 return node;
1521 }
1522
1523 virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
1524 os << indent << "Types:" << endl;
1525 for ( const auto& i : *node ) {
1526 os << indent+1 << i.first.typeString() << " -> ";
1527 indent += 2;
1528 safe_print( i.second );
1529 indent -= 2;
1530 os << endl;
1531 }
1532 return node;
1533 }
1534
1535};
1536
1537void print( ostream & os, const ast::Node * node, Indenter indent ) {
1538 Printer printer { os, indent, false };
1539 node->accept(printer);
1540}
1541
1542void printShort( ostream & os, const ast::Decl * node, Indenter indent ) {
1543 Printer printer { os, indent, true };
1544 node->accept(printer);
1545}
1546
1547// Annoyingly these needed to be defined out of line to avoid undefined references.
1548// The size here needs to be explicit but at least the compiler will produce an error
1549// if the wrong size is specified
1550constexpr array<const char*, 3> Printer::Names::FuncSpecifiers;
1551constexpr array<const char*, 5> Printer::Names::StorageClasses;
1552constexpr array<const char*, 6> Printer::Names::Qualifiers;
1553}
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