source: src/AST/Print.cpp@ b787cad

ADT ast-experimental enum pthread-emulation qualifiedEnum
Last change on this file since b787cad was 92538ab, checked in by JiadaL <j82liang@…>, 3 years ago

Resolve conflict
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File size: 38.1 KB
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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 -- Print an AST (or sub-tree) to a stream.
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 auto ptrToEnum = dynamic_cast<const ast::EnumDecl *>(node);
213 if ( ! short_mode && ptrToEnum && ptrToEnum->base ) {
214 os << endl << indent << ".. with (enum) base" << endl;
215 ++indent;
216 ptrToEnum->base->accept( *this );
217 --indent;
218 }
219
220 os << endl;
221 }
222
223 void preprint( const ast::NamedTypeDecl * node ) {
224 if ( ! node->name.empty() ) {
225 os << node->name << ": ";
226 }
227
228 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
229 os << Linkage::name( node->linkage ) << " ";
230 }
231
232 print( node->storage );
233 os << node->typeString();
234
235 if ( node->base ) {
236 os << " for ";
237 ++indent;
238 node->base->accept( *this );
239 --indent;
240 }
241
242 if ( ! node->assertions.empty() ) {
243 os << endl << indent << "... with assertions" << endl;
244 ++indent;
245 printAll( node->assertions );
246 --indent;
247 }
248 }
249
250 void postprint( const ast::Expr * node ) {
251 print( node->inferred );
252
253 if ( node->result ) {
254 os << endl << indent << "... with resolved type:" << endl;
255 ++indent;
256 os << indent;
257 node->result->accept( *this );
258 --indent;
259 }
260
261 if ( node->env ) {
262 os << endl << indent << "... with environment:" << endl;
263 ++indent;
264 node->env->accept( *this );
265 --indent;
266 }
267
268 if ( node->extension ) {
269 os << endl << indent << "... with extension";
270 }
271 }
272
273 void preprint( const ast::Type * node ) {
274 print( node->qualifiers );
275 }
276
277 void preprint( const ast::FunctionType * node ) {
278 print( node->forall );
279 print( node->assertions );
280 print( node->qualifiers );
281 }
282
283 void preprint( const ast::BaseInstType * node ) {
284 print( node->attributes );
285 print( node->qualifiers );
286 }
287
288public:
289 virtual const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
290 if ( ! node->name.empty() ) os << node->name << ": ";
291
292 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
293 os << Linkage::name( node->linkage ) << " ";
294 }
295
296 print( node->storage );
297
298 if ( node->type ) {
299 node->type->accept( *this );
300 } else {
301 os << "untyped entity";
302 }
303
304 if ( ! short_mode && node->init ) {
305 ++indent;
306 os << " with initializer (" << (
307 node->init->maybeConstructed
308 ? "maybe constructed"
309 : "not constructed"
310 ) << ")" << endl << indent;
311 node->init->accept( *this );
312 --indent;
313 os << endl;
314 }
315
316 if ( ! short_mode && ! node->attributes.empty() ) {
317 os << endl << indent << "... with attributes:" << endl;
318 ++indent;
319 printAll( node->attributes );
320 --indent;
321 }
322
323 if ( node->bitfieldWidth ) {
324 os << indent << " with bitfield width ";
325 node->bitfieldWidth->accept( *this );
326 }
327
328 return node;
329 }
330
331 virtual const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
332 if ( !node->name.empty() ) os << node->name << ": ";
333
334 if ( ! short_mode && node->linkage != Linkage::Cforall ) {
335 os << Linkage::name( node->linkage ) << " ";
336 }
337
338 if ( ! short_mode ) printAll( node->attributes );
339
340 print( node->storage );
341 print( node->funcSpec );
342
343
344
345 if ( node->type && node->isTypeFixed ) {
346 node->type->accept( *this );
347 } else {
348 if (!node->type_params.empty()) {
349 os << "forall" << endl;
350 ++indent;
351 printAll(node->type_params);
352 os << indent;
353 --indent;
354
355 if (!node->assertions.empty()) {
356 os << "with assertions" << endl;
357 ++indent;
358 printAll(node->assertions);
359 os << indent;
360 --indent;
361 }
362 }
363
364 os << "function" << endl;
365 if ( ! node->params.empty() ) {
366 os << indent << "... with parameters" << endl;
367 ++indent;
368 printAll( node->params );
369 if ( node->type->isVarArgs ) {
370 os << indent << "and a variable number of other arguments" << endl;
371 }
372 --indent;
373 } else if ( node->type->isVarArgs ) {
374 os << indent+1 << "accepting unspecified arguments" << endl;
375 }
376
377 os << indent << "... returning";
378 if ( node->returns.empty() ) {
379 os << " nothing" << endl;
380 } else {
381 os << endl;
382 ++indent;
383 printAll( node->returns );
384 --indent;
385 }
386 }
387
388 if ( ! short_mode && node->stmts ) {
389 ++indent;
390 os << " with body" << endl << indent;
391 node->stmts->accept( *this );
392 --indent;
393 }
394
395 return node;
396 }
397
398 virtual const ast::Decl * visit( const ast::StructDecl * node ) override final {
399 print(node);
400 return node;
401 }
402
403 virtual const ast::Decl * visit( const ast::UnionDecl * node ) override final {
404 print(node);
405 return node;
406 }
407
408 virtual const ast::Decl * visit( const ast::EnumDecl * node ) override final {
409 print(node);
410 return node;
411 }
412
413 virtual const ast::Decl * visit( const ast::TraitDecl * node ) override final {
414 print(node);
415 return node;
416 }
417
418 virtual const ast::Decl * visit( const ast::TypeDecl * node ) override final {
419 preprint( node );
420 if ( ! short_mode && node->init ) {
421 os << endl << indent << "with type initializer: ";
422 ++indent;
423 node->init->accept( *this );
424 --indent;
425 }
426
427 return node;
428 }
429
430 virtual const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
431 preprint( node );
432 return node;
433 }
434
435 virtual const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
436 safe_print( node->stmt );
437 return node;
438 }
439
440 virtual const ast::DirectiveDecl * visit( const ast::DirectiveDecl * node ) override final {
441 safe_print( node->stmt );
442 return node;
443 }
444
445 virtual const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
446 os << "Static Assert with condition: ";
447 ++indent;
448 safe_print( node->cond );
449 os << endl << indent-1 << "and message: ";
450 safe_print( node->msg );
451 --indent;
452 os << endl;
453
454 return node;
455 }
456
457 virtual const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
458 os << "Compound Statement:" << endl;
459 ++indent;
460 printAll( node->kids );
461 --indent;
462 return node;
463 }
464
465 virtual const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
466 ++indent;
467 os << "Expression Statement:" << endl << indent;
468 safe_print( node->expr );
469 --indent;
470 return node;
471 }
472
473 virtual const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
474 os << "Assembler Statement:" << endl;
475 ++indent;
476 os << indent-1 << "instruction:" << endl << indent;
477 safe_print( node->instruction );
478 if ( ! node->output.empty() ) {
479 os << endl << indent << "output:" << endl;
480 printAll( node->output );
481 } // if
482 if ( ! node->input.empty() ) {
483 os << indent << "input:" << endl;
484 printAll( node->input );
485 } // if
486 if ( ! node->clobber.empty() ) {
487 os << indent << "clobber:" << endl;
488 printAll( node->clobber );
489 } // if
490 --indent;
491 return node;
492 }
493
494 virtual const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
495 os << "GCC Directive: " << node->directive << endl;
496 return node;
497 }
498
499 virtual const ast::Stmt * visit( const ast::IfStmt * node ) override final {
500 os << "If on condition:" << endl;
501 ++indent;
502 os << indent;
503 safe_print( node->cond );
504 --indent;
505
506 if ( ! node->inits.empty() ) {
507 os << indent << "... with initialization:" << endl;
508 ++indent;
509 for ( const ast::Stmt * stmt : node->inits ) {
510 os << indent;
511 safe_print( stmt );
512 }
513 --indent;
514 os << endl;
515 }
516
517 os << indent << "... then:" << endl;
518
519 ++indent;
520 os << indent;
521 safe_print( node->then );
522 --indent;
523
524 if ( node->else_ != 0 ) {
525 os << indent << "... else:" << endl;
526 ++indent;
527 os << indent;
528 node->else_->accept( *this );
529 --indent;
530 } // if
531 return node;
532 }
533
534 virtual const ast::Stmt * visit( const ast::WhileDoStmt * node ) override final {
535 if ( node->isDoWhile ) { os << "Do-"; }
536 os << "While on condition:" << endl;
537 ++indent;
538 safe_print( node->cond );
539 os << indent-1 << "... with body:" << endl;
540 safe_print( node->body );
541
542 if ( ! node->inits.empty() ) {
543 os << indent-1 << "... with inits:" << endl;
544 printAll( node->inits );
545 }
546 --indent;
547
548 return node;
549 }
550
551 virtual const ast::Stmt * visit( const ast::ForStmt * node ) override final {
552 os << "For Statement" << endl;
553
554 if ( ! node->inits.empty() ) {
555 os << indent << "... initialization:" << endl;
556 ++indent;
557 for ( const ast::Stmt * stmt : node->inits ) {
558 os << indent+1;
559 safe_print( stmt );
560 }
561 --indent;
562 }
563
564 if ( node->cond ) {
565 os << indent << "... condition:" << endl;
566 ++indent;
567 os << indent;
568 node->cond->accept( *this );
569 --indent;
570 }
571
572 if ( node->inc ) {
573 os << indent << "... increment:" << endl;
574 ++indent;
575 os << indent;
576 node->inc->accept( *this );
577 --indent;
578 }
579
580 if ( node->body ) {
581 os << indent << "... with body:" << endl;
582 ++indent;
583 os << indent;
584 node->body->accept( *this );
585 --indent;
586 }
587 os << endl;
588 print( node->labels );
589
590 return node;
591 }
592
593 virtual const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
594 os << "Switch on condition: ";
595 safe_print( node->cond );
596 os << endl;
597
598 ++indent;
599 for ( const ast::CaseClause * stmt : node->cases ) {
600 stmt->accept( *this );
601 }
602 --indent;
603
604 return node;
605 }
606
607 virtual const ast::CaseClause * visit( const ast::CaseClause * node ) override final {
608 if ( node->isDefault() ) {
609 os << indent << "Default ";
610 } else {
611 os << indent << "Case ";
612 safe_print( node->cond );
613 } // if
614 os << endl;
615
616 ++indent;
617 for ( const ast::Stmt * stmt : node->stmts ) {
618 os << indent;
619 stmt->accept( *this );
620 }
621 --indent;
622
623 return node;
624 }
625
626 virtual const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
627 os << "Branch (" << node->kindName() << ")" << endl;
628 ++indent;
629 if ( ! node->target.empty() ) {
630 os << indent << "with target: " << node->target << endl;
631 }
632
633 if ( ! node->originalTarget.empty() ) {
634 os << indent << "with original target: " << node->originalTarget << endl;
635 }
636
637 if ( node->computedTarget ) {
638 os << indent << "with computed target: ";
639 node->computedTarget->accept( *this );
640 os << endl;
641 }
642 --indent;
643
644 return node;
645 }
646
647 virtual const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
648 os << "Return Statement, returning";
649 if ( node->expr ) {
650 ++indent;
651 os << ":" << endl << indent;
652 node->expr->accept( *this );
653 --indent;
654 } else {
655 os << " void";
656 }
657 os << endl;
658
659 return node;
660 }
661
662 virtual const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
663 if ( node->target ) os << "Non-Local ";
664
665 switch( node->kind ) {
666 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
667 case ast::ExceptionKind::Resume: os << "Resume "; break;
668 }
669
670 ++indent;
671 os << "Throw Statement, raising: ";
672 safe_print( node->expr );
673 if ( node->target ) {
674 os << "... at: ";
675 node->target->accept( *this );
676 }
677 --indent;
678
679 return node;
680 }
681
682 virtual const ast::Stmt * visit( const ast::TryStmt * node ) override final {
683 ++indent;
684 os << "Try Statement" << endl << indent-1
685 << "... with block:" << endl << indent;
686 safe_print( node->body );
687
688 os << indent-1 << "... and handlers:" << endl;
689 for ( const ast::CatchClause * stmt : node->handlers ) {
690 os << indent;
691 stmt->accept( *this );
692 }
693
694 if ( node->finally ) {
695 os << indent-1 << "... and finally:" << endl << indent;
696 node->finally->accept( *this );
697 }
698 --indent;
699
700 return node;
701 }
702
703 virtual const ast::CatchClause * visit( const ast::CatchClause * node ) override final {
704 os << "Catch ";
705 switch ( node->kind ) {
706 case ast::ExceptionKind::Terminate: os << "Terminate "; break;
707 case ast::ExceptionKind::Resume: os << "Resume "; break;
708 }
709 os << "Statement" << endl << indent;
710
711 ++indent;
712 os << "... catching: ";
713 short_print( node->decl );
714 os << endl;
715
716 if ( node->cond ) {
717 os << indent-1 << "... with conditional:" << endl << indent;
718 node->cond->accept( *this );
719 }
720
721 os << indent-1 << "... with block:" << endl << indent;
722 safe_print( node->body );
723 --indent;
724
725 return node;
726 }
727
728 virtual const ast::FinallyClause * visit( const ast::FinallyClause * node ) override final {
729 os << "Finally Statement" << endl;
730 os << indent << "... with block:" << endl;
731 ++indent;
732 os << indent;
733 safe_print( node->body );
734 --indent;
735
736 return node;
737 }
738
739 virtual const ast::Stmt * visit( const ast::SuspendStmt * node ) override final {
740 os << "Suspend Statement";
741 switch (node->type) {
742 case ast::SuspendStmt::None : os << " with implicit target"; break;
743 case ast::SuspendStmt::Generator: os << " for generator"; break;
744 case ast::SuspendStmt::Coroutine: os << " for coroutine"; break;
745 }
746 os << endl;
747
748 ++indent;
749 if(node->then) {
750 os << indent << " with post statement :" << endl;
751 safe_print( node->then );
752 }
753 ++indent;
754
755 return node;
756 }
757
758 virtual const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
759 os << "Waitfor Statement" << endl;
760 indent += 2;
761 for( const auto & clause : node->clauses ) {
762 os << indent-1 << "target function: ";
763 safe_print( clause.target.func );
764
765 if ( ! clause.target.args.empty() ) {
766 os << endl << indent-1 << "... with arguments:" << endl;
767 for( const ast::Expr * arg : clause.target.args ) {
768 arg->accept( *this );
769 }
770 }
771
772 if ( clause.stmt ) {
773 os << indent-1 << "... with statment:" << endl;
774 clause.stmt->accept( *this );
775 }
776
777 if ( clause.cond ) {
778 os << indent-1 << "... with condition:" << endl;
779 clause.cond->accept( *this );
780 }
781 }
782
783 if ( node->timeout.time ) {
784 os << indent-1 << "timeout of:" << endl;
785 node->timeout.time->accept( *this );
786
787 if ( node->timeout.stmt ) {
788 os << indent-1 << "... with statment:" << endl;
789 node->timeout.stmt->accept( *this );
790 }
791
792 if ( node->timeout.cond ) {
793 os << indent-1 << "... with condition:" << endl;
794 node->timeout.cond->accept( *this );
795 }
796 }
797
798 if ( node->orElse.stmt ) {
799 os << indent-1 << "else:" << endl;
800 node->orElse.stmt->accept( *this );
801
802 if ( node->orElse.cond ) {
803 os << indent-1 << "... with condition:" << endl;
804 node->orElse.cond->accept( *this );
805 }
806 }
807 indent -= 2;
808
809 return node;
810 }
811
812 virtual const ast::Decl * visit( const ast::WithStmt * node ) override final {
813 os << "With statement" << endl;
814 os << indent << "... with expressions:" << endl;
815 ++indent;
816 printAll( node->exprs );
817 os << indent-1 << "... with statement:" << endl << indent;
818 safe_print( node->stmt );
819 --indent;
820
821 return node;
822 }
823
824 virtual const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
825 os << "Null Statement" << endl;
826 print( node->labels );
827
828 return node;
829 }
830
831 virtual const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
832 os << "Declaration of ";
833 safe_print( node->decl );
834
835 return node;
836 }
837
838 virtual const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
839 os << "Implicit Ctor Dtor Statement" << endl;
840 os << indent << "... with Ctor/Dtor: ";
841 ++indent;
842 safe_print( node->callStmt );
843 --indent;
844 os << endl;
845
846 return node;
847 }
848
849 virtual const ast::Stmt * visit( const ast::MutexStmt * node ) override final {
850 os << "Mutex Statement" << endl;
851 os << indent << "... with Mutex Parameters: ";
852 ++indent;
853 printAll( node->mutexObjs );
854 --indent;
855 os << indent << "... with Statement: ";
856 ++indent;
857 safe_print( node->stmt );
858 --indent;
859 os << endl;
860
861 return node;
862 }
863
864 virtual const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
865 ++indent;
866 os << "Application of" << endl << indent;
867 safe_print( node->func );
868 os << endl;
869 if ( ! node->args.empty() ) {
870 os << indent << "... to arguments" << endl;
871 printAll( node->args );
872 }
873 --indent;
874 postprint( node );
875
876 return node;
877 }
878
879 virtual const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
880 ++indent;
881 os << "Applying untyped:" << endl;
882 os << indent;
883 safe_print( node->func );
884 os << endl << indent-1 << "...to:" << endl;
885 printAll( node->args );
886 --indent;
887 postprint( node );
888
889 return node;
890 }
891
892 virtual const ast::Expr * visit( const ast::NameExpr * node ) override final {
893 os << "Name: " << node->name;
894 postprint( node );
895
896 return node;
897 }
898
899 virtual const ast::Expr * visit( const ast::AddressExpr * node ) override final {
900 os << "Address of:" << endl;
901 ++indent;
902 os << indent;
903 safe_print( node->arg );
904
905 --indent;
906
907 return node;
908 }
909
910 virtual const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
911 os << "Address of label:" << node->arg;
912
913 return node;
914 }
915
916 virtual const ast::Expr * visit( const ast::CastExpr * node ) override final {
917 ++indent;
918 os << (node->isGenerated ? "Generated" : "Explicit") << " Cast of:" << endl << indent;
919 safe_print( node->arg );
920 os << endl << indent-1 << "... to:";
921 if ( ! node->result ) {
922 os << " ";
923 undefined();
924 } else if ( node->result->isVoid() ) {
925 os << " nothing";
926 } else {
927 os << endl << indent;
928 node->result->accept( *this );
929 } // if
930 --indent;
931 postprint( node );
932
933 return node;
934 }
935
936 virtual const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
937 ++indent;
938 os << "Keyword Cast of:" << endl << indent;
939 safe_print( node->arg );
940 --indent;
941 os << endl << indent << "... to: " << node->targetString();
942 postprint( node );
943
944 return node;
945 }
946
947 virtual const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
948 ++indent;
949 os << "Virtual Cast of:" << endl << indent;
950 safe_print( node->arg );
951 os << endl << indent-1 << "... to:";
952 if ( ! node->result ) {
953 os << " unknown";
954 } else {
955 os << endl << indent;
956 node->result->accept( *this );
957 }
958 --indent;
959 postprint( node );
960
961 return node;
962 }
963
964 virtual const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
965 ++indent;
966 os << "Untyped Member Expression, with field: " << endl << indent;
967 safe_print( node->member );
968 os << indent-1 << "... from aggregate:" << endl << indent;
969 safe_print( node->aggregate );
970 --indent;
971 postprint( node );
972
973 return node;
974 }
975
976 virtual const ast::Expr * visit( const ast::MemberExpr * node ) override final {
977 ++indent;
978 os << "Member Expression, with field:" << endl << indent;
979 safe_print( node->member );
980 os << endl << indent-1 << "... from aggregate:" << endl << indent;
981 safe_print( node->aggregate );
982 --indent;
983 postprint( node );
984
985 return node;
986 }
987
988 virtual const ast::Expr * visit( const ast::VariableExpr * node ) override final {
989 os << "Variable Expression: ";
990 short_print( node->var );
991 postprint( node );
992
993 return node;
994 }
995
996 virtual const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
997 os << "Constant Expression (" << node->rep;
998 if ( node->result ) {
999 os << ": ";
1000 node->result->accept( *this );
1001 }
1002 os << ")";
1003 postprint( node );
1004
1005 return node;
1006 }
1007
1008 virtual const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
1009 os << "Sizeof Expression on: ";
1010 ++indent;
1011 if ( node->type ) node->type->accept( *this );
1012 else safe_print( node->expr );
1013 --indent;
1014 postprint( node );
1015
1016 return node;
1017 }
1018
1019 virtual const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
1020 os << "Alignof Expression on: ";
1021 ++indent;
1022 if ( node->type ) node->type->accept( *this );
1023 else safe_print( node->expr );
1024 --indent;
1025 postprint( node );
1026
1027 return node;
1028 }
1029
1030 virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
1031 os << "Untyped Offsetof Expression on member " << node->member << " of ";
1032 ++indent;
1033 safe_print( node->type );
1034 --indent;
1035 postprint( node );
1036
1037 return node;
1038 }
1039
1040 virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
1041 os << "Offsetof Expression on member " << node->member->name << " of ";
1042 ++indent;
1043 safe_print( node->type );
1044 --indent;
1045 postprint( node );
1046
1047 return node;
1048 }
1049
1050 virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
1051 os << "Offset Pack Expression on: ";
1052 ++indent;
1053 safe_print( node->type );
1054 --indent;
1055 postprint( node );
1056
1057 return node;
1058 }
1059
1060 virtual const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
1061 os << "Short-circuited operation (" << (node->isAnd ? "and" : "or") << ") on: ";
1062 safe_print( node->arg1 );
1063 os << " and ";
1064 safe_print( node->arg2 );
1065 postprint( node );
1066
1067 return node;
1068 }
1069
1070 virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
1071 ++indent;
1072 os << "Conditional expression on:" << endl << indent;
1073 safe_print( node->arg1 );
1074 os << indent-1 << "First alternative:" << endl << indent;
1075 safe_print( node->arg2 );
1076 os << indent-1 << "Second alternative:" << endl << indent;
1077 safe_print( node->arg3 );
1078 --indent;
1079 postprint( node );
1080
1081 return node;
1082 }
1083
1084 virtual const ast::Expr * visit( const ast::CommaExpr * node ) override final {
1085 ++indent;
1086 os << "Comma Expression:" << endl << indent;
1087 safe_print( node->arg1 );
1088 os << endl << indent;
1089 safe_print( node->arg2 );
1090 --indent;
1091 postprint( node );
1092
1093 return node;
1094 }
1095
1096 virtual const ast::Expr * visit( const ast::TypeExpr * node ) override final {
1097 safe_print( node->type );
1098 postprint( node );
1099
1100 return node;
1101 }
1102
1103 virtual const ast::Expr * visit( const ast::AsmExpr * node ) override final {
1104 os << "Asm Expression:" << endl;
1105 ++indent;
1106 if ( !node->inout.empty() ) os << "[" << node->inout << "] ";
1107 if ( node->constraint ) node->constraint->accept( *this );
1108 if ( node->operand ) node->operand->accept( *this );
1109 --indent;
1110
1111 return node;
1112 }
1113
1114 virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
1115 ++indent;
1116 os << "Implicit Copy Constructor Expression:" << endl << indent;
1117 safe_print( node->callExpr );
1118 --indent;
1119 postprint( node );
1120
1121 return node;
1122 }
1123
1124 virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
1125 os << "Constructor Expression:" << endl << indent+1;
1126 indent += 2;
1127 safe_print( node->callExpr );
1128 indent -= 2;
1129 postprint( node );
1130
1131 return node;
1132 }
1133
1134 virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
1135 ++indent;
1136 os << "Compound Literal Expression: " << endl << indent;
1137 safe_print( node->result );
1138 os << indent;
1139 safe_print( node->init );
1140 --indent;
1141 postprint( node );
1142
1143 return node;
1144 }
1145
1146 virtual const ast::Expr * visit( const ast::RangeExpr * node ) override final {
1147 os << "Range Expression: ";
1148 safe_print( node->low );
1149 os << " ... ";
1150 safe_print( node->high );
1151 postprint( node );
1152
1153 return node;
1154 }
1155
1156 virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
1157 os << "Untyped Tuple:" << endl;
1158 ++indent;
1159 printAll( node->exprs );
1160 --indent;
1161 postprint( node );
1162
1163 return node;
1164 }
1165
1166 virtual const ast::Expr * visit( const ast::TupleExpr * node ) override final {
1167 os << "Tuple:" << endl;
1168 ++indent;
1169 printAll( node->exprs );
1170 --indent;
1171 postprint( node );
1172
1173 return node;
1174 }
1175
1176 virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
1177 os << "Tuple Index Expression, with tuple:" << endl;
1178 ++indent;
1179 os << indent;
1180 safe_print( node->tuple );
1181 os << indent << "with index: " << node->index << endl;
1182 --indent;
1183 postprint( node );
1184
1185 return node;
1186 }
1187
1188 virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
1189 os << "Tuple Assignment Expression, with stmt expr:" << endl;
1190 ++indent;
1191 os << indent;
1192 safe_print( node->stmtExpr );
1193 --indent;
1194 postprint( node );
1195
1196 return node;
1197 }
1198
1199 virtual const ast::Expr * visit( const ast::StmtExpr * node ) override final {
1200 ++indent;
1201 os << "Statement Expression:" << endl << indent;
1202 safe_print( node->stmts );
1203 if ( ! node->returnDecls.empty() ) {
1204 os << indent << "... with returnDecls: ";
1205 printAll( node->returnDecls );
1206 }
1207 if ( ! node->dtors.empty() ) {
1208 os << indent << "... with dtors: ";
1209 printAll( node->dtors );
1210 }
1211 --indent;
1212 postprint( node );
1213
1214 return node;
1215 }
1216
1217 virtual const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
1218 ++indent;
1219 os << "Unique Expression with id: " << node->id << endl << indent;
1220 safe_print( node->expr );
1221 if ( node->object ) {
1222 os << indent-1 << "... with decl: ";
1223 short_print( node->object );
1224 }
1225 --indent;
1226 postprint( node );
1227
1228 return node;
1229 }
1230
1231 virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
1232 ++indent;
1233 os << "Untyped Init Expression" << endl << indent;
1234 safe_print( node->expr );
1235 if ( ! node->initAlts.empty() ) {
1236 for ( const InitAlternative & alt : node->initAlts ) {
1237 os << indent << "InitAlternative: ";
1238 safe_print( alt.type );
1239 safe_print( alt.designation );
1240 }
1241 }
1242 --indent;
1243
1244 return node;
1245 }
1246
1247 virtual const ast::Expr * visit( const ast::InitExpr * node ) override final {
1248 ++indent;
1249 os << "Init Expression" << endl << indent;
1250 safe_print( node->expr );
1251 os << indent << "... with designation: ";
1252 safe_print( node->designation );
1253 --indent;
1254
1255 return node;
1256 }
1257
1258 virtual const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
1259 ++indent;
1260 os << "Deleted Expression" << endl << indent;
1261 safe_print( node->expr );
1262 os << endl << indent << "... deleted by: ";
1263 safe_print( node->deleteStmt );
1264 --indent;
1265
1266 return node;
1267 }
1268
1269 virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
1270 ++indent;
1271 os << "Default Argument Expression" << endl << indent;
1272 safe_print( node->expr );
1273 --indent;
1274
1275 return node;
1276 }
1277
1278 virtual const ast::Expr * visit( const ast::GenericExpr * node ) override final {
1279 ++indent;
1280 os << "C11 _Generic Expression" << endl << indent;
1281 safe_print( node->control );
1282 os << endl << indent << "... with associations:" << endl;
1283 for ( const auto & assoc : node->associations ) {
1284 os << indent;
1285 if ( assoc.type ) {
1286 os << "... type: ";
1287 assoc.type->accept( *this );
1288 os << endl << indent << "... expression: ";
1289 safe_print( assoc.expr );
1290 } else {
1291 os << "... default: ";
1292 safe_print( assoc.expr );
1293 }
1294 os << endl;
1295 }
1296 --indent;
1297
1298 return node;
1299 }
1300
1301 virtual const ast::Type * visit( const ast::VoidType * node ) override final {
1302 preprint( node );
1303 os << "void";
1304 return node;
1305 }
1306
1307 virtual const ast::Type * visit( const ast::BasicType * node ) override final {
1308 preprint( node );
1309 os << ast::BasicType::typeNames[ node->kind ];
1310 return node;
1311 }
1312
1313 virtual const ast::Type * visit( const ast::PointerType * node ) override final {
1314 preprint( node );
1315 if ( ! node->isArray() ) {
1316 os << "pointer to ";
1317 } else {
1318 os << "decayed ";
1319 if ( node->isStatic ) {
1320 os << "static ";
1321 }
1322
1323 if ( node->isVarLen ) {
1324 os << "variable length array of ";
1325 } else if ( node->dimension ) {
1326 os << "array of ";
1327 node->dimension->accept( *this );
1328 os << " ";
1329 }
1330 }
1331 safe_print( node->base );
1332
1333 return node;
1334 }
1335
1336 virtual const ast::Type * visit( const ast::ArrayType * node ) override final {
1337 preprint( node );
1338 if ( node->isStatic ) {
1339 os << "static ";
1340 }
1341
1342 if ( node->isVarLen ) {
1343 os << "variable length array of ";
1344 } else if ( node->dimension ) {
1345 os << "array of ";
1346 } else {
1347 os << "open array of ";
1348 }
1349
1350 safe_print( node->base );
1351
1352 if ( node->dimension ) {
1353 os << " with dimension of ";
1354 node->dimension->accept( *this );
1355 }
1356
1357 return node;
1358 }
1359
1360 virtual const ast::Type * visit( const ast::ReferenceType * node ) override final {
1361 preprint( node );
1362 os << "reference to ";
1363 safe_print( node->base );
1364
1365 return node;
1366 }
1367
1368 virtual const ast::Type * visit( const ast::QualifiedType * node ) override final {
1369 preprint( node );
1370 ++indent;
1371 os << "Qualified Type:" << endl << indent;
1372 safe_print( node->parent );
1373 os << endl << indent;
1374 safe_print( node->child );
1375 os << endl;
1376 --indent;
1377
1378 return node;
1379 }
1380
1381 virtual const ast::Type * visit( const ast::FunctionType * node ) override final {
1382 preprint( node );
1383
1384 os << "function" << endl;
1385 if ( ! node->params.empty() ) {
1386 os << indent << "... with parameters" << endl;
1387 ++indent;
1388 printAll( node->params );
1389 if ( node->isVarArgs ) {
1390 os << indent << "and a variable number of other arguments" << endl;
1391 }
1392 --indent;
1393 } else if ( node->isVarArgs ) {
1394 os << indent+1 << "accepting unspecified arguments" << endl;
1395 }
1396
1397 os << indent << "... returning";
1398 if ( node->returns.empty() ) {
1399 os << " nothing" << endl;
1400 } else {
1401 os << endl;
1402 ++indent;
1403 printAll( node->returns );
1404 --indent;
1405 }
1406
1407 return node;
1408 }
1409
1410 virtual const ast::Type * visit( const ast::StructInstType * node ) override final {
1411 preprint( node );
1412 os << "instance of struct " << node->name;
1413 if ( node->base ) {
1414 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1415 }
1416 print( node->params );
1417
1418 return node;
1419 }
1420
1421 virtual const ast::Type * visit( const ast::UnionInstType * node ) override final {
1422 preprint( node );
1423 os << "instance of union " << node->name;
1424 if ( node->base ) {
1425 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1426 }
1427 print( node->params );
1428
1429 return node;
1430 }
1431
1432 virtual const ast::Type * visit( const ast::EnumInstType * node ) override final {
1433 preprint( node );
1434 os << "instance of enum " << node->name;
1435 if ( node->base ) {
1436 os << " " << ( node->base->body ? "with" : "without" ) << " body";
1437 }
1438 print( node->params );
1439
1440 return node;
1441 }
1442
1443 virtual const ast::Type * visit( const ast::TraitInstType * node ) override final {
1444 preprint( node );
1445 os << "instance of trait " << node->name;
1446 print( node->params );
1447
1448 return node;
1449 }
1450
1451 virtual const ast::Type * visit( const ast::TypeInstType * node ) override final {
1452 preprint( node );
1453 const auto & _name = deterministic_output && isUnboundType(node) ? "[unbound]" : node->typeString();
1454 os << "instance of type " << _name
1455 << " (" << (node->kind == ast::TypeDecl::Ftype ? "" : "not ") << "function type)";
1456 print( node->params );
1457
1458 return node;
1459 }
1460
1461 virtual const ast::Type * visit( const ast::TupleType * node ) override final {
1462 preprint( node );
1463 os << "tuple of types" << endl;
1464 ++indent;
1465 printAll( node->types );
1466 --indent;
1467
1468 return node;
1469 }
1470
1471 virtual const ast::Type * visit( const ast::TypeofType * node ) override final {
1472 preprint( node );
1473 if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
1474 os << "type-of expression ";
1475 safe_print( node->expr );
1476
1477 return node;
1478 }
1479
1480 virtual const ast::Type * visit( const ast::VTableType * node ) override final {
1481 preprint( node );
1482 os << "vtable for ";
1483 safe_print( node->base );
1484
1485 return node;
1486 }
1487
1488 virtual const ast::Type * visit( const ast::VarArgsType * node ) override final {
1489 preprint( node );
1490 os << "builtin var args pack";
1491 return node;
1492 }
1493
1494 virtual const ast::Type * visit( const ast::ZeroType * node ) override final {
1495 preprint( node );
1496 os << "zero_t";
1497 return node;
1498 }
1499
1500 virtual const ast::Type * visit( const ast::OneType * node ) override final {
1501 preprint( node );
1502 os << "one_t";
1503 return node;
1504 }
1505
1506 virtual const ast::Type * visit( const ast::GlobalScopeType * node ) override final {
1507 preprint( node );
1508 os << "Global Scope Type";
1509 return node;
1510 }
1511
1512 virtual const ast::Designation * visit( const ast::Designation * node ) override final {
1513 if ( node->designators.empty() ) return node;
1514 os << "... designated by: " << endl;
1515 ++indent;
1516 for ( const ast::Expr * d : node->designators ) {
1517 os << indent;
1518 d->accept( *this );
1519 os << endl;
1520 }
1521 --indent;
1522 return node;
1523 }
1524
1525 virtual const ast::Init * visit( const ast::SingleInit * node ) override final {
1526 os << "Simple Initializer: ";
1527 safe_print( node->value );
1528 return node;
1529 }
1530
1531 virtual const ast::Init * visit( const ast::ListInit * node ) override final {
1532 os << "Compound initializer: " << endl;
1533 ++indent;
1534 for ( auto p : group_iterate( node->designations, node->initializers ) ) {
1535 const ast::Designation * d = std::get<0>(p);
1536 const ast::Init * init = std::get<1>(p);
1537 os << indent;
1538 init->accept( *this );
1539 os << endl;
1540 if ( ! d->designators.empty() ) {
1541 os << indent;
1542 d->accept( *this );
1543 }
1544 }
1545 --indent;
1546 return node;
1547 }
1548
1549 virtual const ast::Init * visit( const ast::ConstructorInit * node ) override final {
1550 os << "Constructor initializer: " << endl;
1551 if ( node->ctor ) {
1552 os << indent << "... initially constructed with ";
1553 ++indent;
1554 node->ctor->accept( *this );
1555 --indent;
1556 }
1557
1558 if ( node->dtor ) {
1559 os << indent << "... destructed with ";
1560 ++indent;
1561 node->dtor->accept( *this );
1562 --indent;
1563 }
1564
1565 if ( node->init ) {
1566 os << indent << "... with fallback C-style initializer: ";
1567 ++indent;
1568 node->init->accept( *this );
1569 --indent;
1570 }
1571 return node;
1572 }
1573
1574 virtual const ast::Attribute * visit( const ast::Attribute * node ) override final {
1575 if ( node->empty() ) return node;
1576 os << "Attribute with name: " << node->name;
1577 if ( node->params.empty() ) return node;
1578 os << " with parameters: " << endl;
1579 ++indent;
1580 printAll( node->params );
1581 --indent;
1582 return node;
1583 }
1584
1585 virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
1586 os << indent << "Types:" << endl;
1587 for ( const auto& i : *node ) {
1588 os << indent+1 << i.first.typeString() << " -> ";
1589 indent += 2;
1590 safe_print( i.second );
1591 indent -= 2;
1592 os << endl;
1593 }
1594 return node;
1595 }
1596
1597};
1598
1599void print( ostream & os, const ast::Node * node, Indenter indent ) {
1600 Printer printer { os, indent, false };
1601 node->accept(printer);
1602}
1603
1604void printShort( ostream & os, const ast::Decl * node, Indenter indent ) {
1605 Printer printer { os, indent, true };
1606 node->accept(printer);
1607}
1608
1609// Annoyingly these needed to be defined out of line to avoid undefined references.
1610// The size here needs to be explicit but at least the compiler will produce an error
1611// if the wrong size is specified
1612constexpr array<const char*, 3> Printer::Names::FuncSpecifiers;
1613constexpr array<const char*, 5> Printer::Names::StorageClasses;
1614constexpr array<const char*, 6> Printer::Names::Qualifiers;
1615}
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