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source: src/AST/Print.cpp @ 624ba3a5

Last change on this file since 624ba3a5 was 9ddcee1, checked in by JiadaL <j82liang@…>, 5 months ago
Remove EnumPosExpr?, an early design that no longer used. The implementation of the feature has been replaced by ReplacePseudoFunc?
Property mode set to `100644`
File size: 41.2 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 -- 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 "Attribute.hpp"
19	#include "Decl.hpp"
20	#include "Expr.hpp"
21	#include "Init.hpp"
22	#include "Stmt.hpp"
23	#include "Type.hpp"
24	#include "TypeSubstitution.hpp"
25	#include "CompilationState.h"
26	#include "Common/Iterate.hpp"
27
28	using namespace std;
29
30	namespace ast {
31
32	namespace {
33
34	template<typename C, typename... T>
35	constexpr array<C, sizeof...(T)> make_array( T&&... values ) {
36	return array<C, sizeof...(T)>{ std::forward<T>( values )... };
37	}
38
39	namespace Names {
40	static constexpr auto FuncSpecifiers = make_array<const char*>(
41	"inline", "_Noreturn", "fortran"
42	);
43
44	static constexpr auto StorageClasses = make_array<const char*>(
45	"extern", "static", "auto", "register", "__thread", "_Thread_local"
46	);
47
48	static constexpr auto Qualifiers = make_array<const char*>(
49	"const", "restrict", "volatile", "mutex", "_Atomic"
50	);
51	}
52
53	template<typename bits_t, size_t N>
54	void print( ostream & os, const bits_t & bits,
55	const array<const char *, N> & names ) {
56	if ( !bits.any() ) return;
57	for ( size_t i = 0 ; i < N ; i += 1 ) {
58	if ( bits[i] ) {
59	os << names[i] << ' ';
60	}
61	}
62	}
63
64	class Printer final : public Visitor {
65	public:
66	ostream & os;
67	Indenter indent;
68	bool short_mode;
69
70	Printer(ostream & os, Indenter indent, bool short_mode) : os( os ), indent( indent ), short_mode(short_mode) {}
71
72	private:
73	template< typename C >
74	void printAll( const C & c ) {
75	for ( const auto & i : c ) {
76	if ( i ) {
77	os << indent;
78	i->accept( *this );
79	// need an endl after each element because it's not
80	// easy to know when each individual item should end
81	os << endl;
82	} // if
83	} // for
84	}
85
86	/// call if mandatory field is missing
87	void undefined() {
88	os << "UNDEFINED";
89	}
90
91	/// call for fields that should be mandatory
92	void safe_print( const ast::Node * n ) {
93	if ( n ) n->accept( *this );
94	else undefined();
95	}
96
97	/// call to print short form. Incorporates features of safe_print()
98	void short_print( const ast::Decl * n ) {
99	if ( ! n ) { undefined(); return; }
100	bool old_short = short_mode; short_mode = true;
101	n->accept( *this );
102	short_mode = old_short;
103	}
104
105	static const char* Names[];
106
107	void print( const std::vector<ast::Label> & labels ) {
108	if ( labels.empty() ) return;
109	os << indent << "... Labels: {";
110	bool isFirst = true;
111	for ( const Label & l : labels ) {
112	if ( isFirst ) { isFirst = false; } else { os << ","; }
113	os << l;
114	}
115	os << "}" << endl;
116	}
117
118	void print( const ast::Expr::InferUnion & inferred, unsigned level = 0 ) {
119	if (inferred.data.resnSlots && !inferred.data.resnSlots->empty()) {
120	os << indent << "with " << inferred.data.resnSlots->size()
121	<< " pending inference slots" << endl;
122	}
123	if (inferred.data.inferParams && !inferred.data.inferParams->empty()) {
124	os << indent << "with inferred parameters " << level << ":" << endl;
125	++indent;
126	for ( const auto & i : *inferred.data.inferParams ) {
127	os << indent;
128	short_print( i.second.declptr );
129	os << endl;
130	print( i.second.expr->inferred, level+1 );
131	}
132	--indent;
133	}
134	}
135
136	void print( const ast::FunctionType::ForallList & forall ) {
137	if ( forall.empty() ) return;
138	os << "forall" << endl;
139	++indent;
140	printAll( forall );
141	os << indent;
142	--indent;
143	}
144
145	void print( const ast::FunctionType::AssertionList & assts ) {
146	if (assts.empty()) return;
147	os << "with assertions" << endl;
148	++indent;
149	printAll(assts);
150	os << indent;
151	--indent;
152	}
153
154	void print( const std::vector<ptr<Attribute>> & attrs ) {
155	if ( attrs.empty() ) return;
156	os << "with attributes" << endl;
157	++indent;
158	printAll( attrs );
159	--indent;
160	}
161
162	void print( const std::vector<ptr<Expr>> & params ) {
163	if ( params.empty() ) return;
164	os << endl << indent << "... with parameters" << endl;
165	++indent;
166	printAll( params );
167	--indent;
168	}
169
170	void print( const ast::AggregateDecl * node ) {
171	os << node->typeString() << " " << node->name;
172
173	if ( ! short_mode && node->linkage != Linkage::Cforall ) {
174	os << " " << Linkage::name( node->linkage );
175	}
176
177	auto ptrToEnum = dynamic_cast<const ast::EnumDecl *>(node);
178	if ( ! short_mode && ptrToEnum && ptrToEnum->base ) {
179	os << endl << indent << "... with base type" << endl;
180	++indent;
181	os << indent;
182	ptrToEnum->base->accept( *this );
183	--indent;
184	}
185
186	os << " " << (node->body ? "with" : "without") << " body";
187
188	if ( ! node->params.empty() ) {
189	os << endl << indent << "... with parameters" << endl;
190	++indent;
191	printAll( node->params );
192	--indent;
193	}
194
195	if ( ! short_mode && ! node->members.empty() ) {
196	os << endl << indent << "... with members" << endl;
197	++indent;
198	printAll( node->members );
199	--indent;
200	}
201
202	if ( ! short_mode && ! node->attributes.empty() ) {
203	os << endl << indent << "... with attributes" << endl;
204	++indent;
205	printAll( node->attributes );
206	--indent;
207	}
208
209
210
211	os << endl;
212	}
213
214	void print( const ast::WaitStmt * node ) {
215	if ( node->timeout_time ) {
216	os << indent-1 << "timeout of:" << endl;
217	node->timeout_time->accept( *this );
218
219	if ( node->timeout_stmt ) {
220	os << indent-1 << "... with statment:" << endl;
221	node->timeout_stmt->accept( *this );
222	}
223
224	if ( node->timeout_cond ) {
225	os << indent-1 << "... with condition:" << endl;
226	node->timeout_cond->accept( *this );
227	}
228	}
229
230	if ( node->else_stmt ) {
231	os << indent-1 << "else:" << endl;
232	node->else_stmt->accept( *this );
233
234	if ( node->else_cond ) {
235	os << indent-1 << "... with condition:" << endl;
236	node->else_cond->accept( *this );
237	}
238	}
239	}
240
241	void preprint( const ast::NamedTypeDecl * node ) {
242	if ( ! node->name.empty() ) {
243	os << node->name << ": ";
244	}
245
246	if ( ! short_mode && node->linkage != Linkage::Cforall ) {
247	os << Linkage::name( node->linkage ) << " ";
248	}
249
250	ast::print( os, node->storage );
251	os << node->typeString();
252
253	if ( node->base ) {
254	os << " for ";
255	++indent;
256	node->base->accept( *this );
257	--indent;
258	}
259
260	if ( ! node->assertions.empty() ) {
261	os << endl << indent << "... with assertions" << endl;
262	++indent;
263	printAll( node->assertions );
264	--indent;
265	}
266	}
267
268	void postprint( const ast::Expr * node ) {
269	print( node->inferred );
270
271	if ( node->result ) {
272	os << endl << indent << "... with resolved type:" << endl;
273	++indent;
274	os << indent;
275	node->result->accept( *this );
276	--indent;
277	}
278
279	if ( node->env ) {
280	os << endl << indent << "... with environment:" << endl;
281	++indent;
282	node->env->accept( *this );
283	--indent;
284	}
285
286	if ( node->extension ) {
287	os << endl << indent << "... with extension";
288	}
289	}
290
291	void preprint( const ast::Type * node ) {
292	ast::print( os, node->qualifiers );
293	}
294
295	void preprint( const ast::FunctionType * node ) {
296	print( node->forall );
297	print( node->assertions );
298	ast::print( os, node->qualifiers );
299	}
300
301	void preprint( const ast::BaseInstType * node ) {
302	print( node->attributes );
303	ast::print( os, node->qualifiers );
304	}
305
306	public:
307	virtual const ast::DeclWithType * visit( const ast::ObjectDecl * node ) override final {
308	if ( ! node->name.empty() ) os << node->name << ": ";
309
310	if ( ! short_mode && node->linkage != Linkage::Cforall ) {
311	os << Linkage::name( node->linkage ) << " ";
312	}
313
314	ast::print( os, node->storage );
315
316	if ( node->type ) {
317	node->type->accept( *this );
318	} else {
319	os << "untyped entity";
320	}
321
322	if ( ! short_mode && node->init ) {
323	++indent;
324	os << " with initializer (" << (
325	node->init->maybeConstructed
326	? "maybe constructed"
327	: "not constructed"
328	) << ")" << endl << indent;
329	node->init->accept( *this );
330	--indent;
331	os << endl;
332	}
333
334	if ( ! short_mode && ! node->attributes.empty() ) {
335	os << endl << indent << "... with attributes:" << endl;
336	++indent;
337	printAll( node->attributes );
338	--indent;
339	}
340
341	if ( node->bitfieldWidth ) {
342	os << indent << " with bitfield width ";
343	node->bitfieldWidth->accept( *this );
344	}
345
346	return node;
347	}
348
349	virtual const ast::DeclWithType * visit( const ast::FunctionDecl * node ) override final {
350	if ( !node->name.empty() ) os << node->name << ": ";
351
352	if ( ! short_mode && node->linkage != Linkage::Cforall ) {
353	os << Linkage::name( node->linkage ) << " ";
354	}
355
356	if ( ! short_mode ) printAll( node->attributes );
357
358	ast::print( os, node->storage );
359	ast::print( os, node->funcSpec );
360
361	if ( node->type && node->isTypeFixed ) {
362	node->type->accept( *this );
363	} else {
364	if (!node->type_params.empty()) {
365	os << "forall" << endl;
366	++indent;
367	printAll(node->type_params);
368	os << indent;
369	--indent;
370
371	if (!node->assertions.empty()) {
372	os << "with assertions" << endl;
373	++indent;
374	printAll(node->assertions);
375	os << indent;
376	--indent;
377	}
378	}
379
380	os << "function" << endl;
381	if ( ! node->params.empty() ) {
382	os << indent << "... with parameters" << endl;
383	++indent;
384	printAll( node->params );
385	if ( node->type->isVarArgs ) {
386	os << indent << "and a variable number of other arguments" << endl;
387	}
388	--indent;
389	} else if ( node->type->isVarArgs ) {
390	os << indent+1 << "accepting unspecified arguments" << endl;
391	}
392
393	os << indent << "... returning";
394	if ( node->returns.empty() ) {
395	os << " nothing" << endl;
396	} else {
397	os << endl;
398	++indent;
399	printAll( node->returns );
400	--indent;
401	}
402	}
403
404	if ( ! node->withExprs.empty() ) {
405	// Not with a clause, but the 'with clause'.
406	++indent;
407	os << " with clause" << endl << indent;
408	printAll( node->withExprs );
409	--indent;
410	}
411
412	if ( ! short_mode && node->stmts ) {
413	++indent;
414	os << " with body" << endl << indent;
415	node->stmts->accept( *this );
416	--indent;
417	}
418
419	return node;
420	}
421
422	virtual const ast::Decl * visit( const ast::StructDecl * node ) override final {
423	print(node);
424	return node;
425	}
426
427	virtual const ast::DeclWithType * visit( const ast::InlineMemberDecl * node ) override final {
428	os << "inline ";
429	if ( ! node->name.empty() ) os << node->name;
430
431	return node;
432	}
433
434	virtual const ast::Decl * visit( const ast::UnionDecl * node ) override final {
435	print(node);
436	return node;
437	}
438
439	virtual const ast::Decl * visit( const ast::EnumDecl * node ) override final {
440	print(node);
441	return node;
442	}
443
444	virtual const ast::Decl * visit( const ast::TraitDecl * node ) override final {
445	print(node);
446	return node;
447	}
448
449	virtual const ast::Decl * visit( const ast::TypeDecl * node ) override final {
450	preprint( node );
451	if ( ! short_mode && node->init ) {
452	os << endl << indent << "with type initializer: ";
453	++indent;
454	node->init->accept( *this );
455	--indent;
456	}
457
458	return node;
459	}
460
461	virtual const ast::Decl * visit( const ast::TypedefDecl * node ) override final {
462	preprint( node );
463	return node;
464	}
465
466	virtual const ast::AsmDecl * visit( const ast::AsmDecl * node ) override final {
467	safe_print( node->stmt );
468	return node;
469	}
470
471	virtual const ast::DirectiveDecl * visit( const ast::DirectiveDecl * node ) override final {
472	safe_print( node->stmt );
473	return node;
474	}
475
476	virtual const ast::StaticAssertDecl * visit( const ast::StaticAssertDecl * node ) override final {
477	os << "Static Assert with condition: ";
478	++indent;
479	safe_print( node->cond );
480	os << endl << indent-1 << "and message: ";
481	safe_print( node->msg );
482	--indent;
483	os << endl;
484
485	return node;
486	}
487
488	virtual const ast::CompoundStmt * visit( const ast::CompoundStmt * node ) override final {
489	os << "Compound Statement:" << endl;
490	++indent;
491	printAll( node->kids );
492	--indent;
493	return node;
494	}
495
496	virtual const ast::Stmt * visit( const ast::ExprStmt * node ) override final {
497	++indent;
498	os << "Expression Statement:" << endl << indent;
499	safe_print( node->expr );
500	--indent;
501	return node;
502	}
503
504	virtual const ast::Stmt * visit( const ast::AsmStmt * node ) override final {
505	os << "Assembler Statement:" << endl;
506	++indent;
507	os << indent-1 << "instruction:" << endl << indent;
508	safe_print( node->instruction );
509	if ( ! node->output.empty() ) {
510	os << endl << indent << "output:" << endl;
511	printAll( node->output );
512	} // if
513	if ( ! node->input.empty() ) {
514	os << indent << "input:" << endl;
515	printAll( node->input );
516	} // if
517	if ( ! node->clobber.empty() ) {
518	os << indent << "clobber:" << endl;
519	printAll( node->clobber );
520	} // if
521	--indent;
522	return node;
523	}
524
525	virtual const ast::Stmt * visit( const ast::DirectiveStmt * node ) override final {
526	os << "GCC Directive: " << node->directive << endl;
527	return node;
528	}
529
530	virtual const ast::Stmt * visit( const ast::IfStmt * node ) override final {
531	os << "If on condition:" << endl;
532	++indent;
533	os << indent;
534	safe_print( node->cond );
535	--indent;
536
537	if ( ! node->inits.empty() ) {
538	os << indent << "... with initialization:" << endl;
539	++indent;
540	for ( const ast::Stmt * stmt : node->inits ) {
541	os << indent;
542	safe_print( stmt );
543	}
544	--indent;
545	os << endl;
546	}
547
548	os << indent << "... then:" << endl;
549
550	++indent;
551	os << indent;
552	safe_print( node->then );
553	--indent;
554
555	if ( node->else_ != 0 ) {
556	os << indent << "... else:" << endl;
557	++indent;
558	os << indent;
559	node->else_->accept( *this );
560	--indent;
561	} // if
562	return node;
563	}
564
565	virtual const ast::Stmt * visit( const ast::WhileDoStmt * node ) override final {
566	if ( node->isDoWhile ) { os << "Do-"; }
567	os << "While on condition:" << endl;
568	++indent;
569	safe_print( node->cond );
570	os << indent-1 << "... with body:" << endl;
571	safe_print( node->body );
572
573	if ( ! node->inits.empty() ) {
574	os << indent-1 << "... with inits:" << endl;
575	printAll( node->inits );
576	}
577	--indent;
578
579	return node;
580	}
581
582	virtual const ast::Stmt * visit( const ast::ForStmt * node ) override final {
583	os << "For Statement" << endl;
584
585	if ( ! node->inits.empty() ) {
586	os << indent << "... initialization:" << endl;
587	++indent;
588	for ( const ast::Stmt * stmt : node->inits ) {
589	os << indent+1;
590	safe_print( stmt );
591	}
592	--indent;
593	}
594
595	if ( node->cond ) {
596	os << indent << "... condition:" << endl;
597	++indent;
598	os << indent;
599	node->cond->accept( *this );
600	--indent;
601	}
602
603	if ( node->inc ) {
604	os << indent << "... increment:" << endl;
605	++indent;
606	os << indent;
607	node->inc->accept( *this );
608	--indent;
609	}
610
611	if ( node->body ) {
612	os << indent << "... with body:" << endl;
613	++indent;
614	os << indent;
615	node->body->accept( *this );
616	--indent;
617	}
618	os << endl;
619	print( node->labels );
620
621	return node;
622	}
623
624	virtual const ast::Stmt * visit( const ast::SwitchStmt * node ) override final {
625	os << "Switch on condition: ";
626	safe_print( node->cond );
627	os << endl;
628
629	++indent;
630	for ( const ast::CaseClause * stmt : node->cases ) {
631	stmt->accept( *this );
632	}
633	--indent;
634
635	return node;
636	}
637
638	virtual const ast::CaseClause * visit( const ast::CaseClause * node ) override final {
639	if ( node->isDefault() ) {
640	os << indent << "Default ";
641	} else {
642	os << indent << "Case ";
643	safe_print( node->cond );
644	} // if
645	os << endl;
646
647	++indent;
648	for ( const ast::Stmt * stmt : node->stmts ) {
649	os << indent;
650	stmt->accept( *this );
651	}
652	--indent;
653
654	return node;
655	}
656
657	virtual const ast::Stmt * visit( const ast::BranchStmt * node ) override final {
658	os << "Branch (" << node->kindName() << ")" << endl;
659	++indent;
660	if ( ! node->target.empty() ) {
661	os << indent << "with target: " << node->target << endl;
662	}
663
664	if ( ! node->originalTarget.empty() ) {
665	os << indent << "with original target: " << node->originalTarget << endl;
666	}
667
668	if ( node->computedTarget ) {
669	os << indent << "with computed target: ";
670	node->computedTarget->accept( *this );
671	os << endl;
672	}
673	--indent;
674
675	return node;
676	}
677
678	virtual const ast::Stmt * visit( const ast::ReturnStmt * node ) override final {
679	os << "Return Statement, returning";
680	if ( node->expr ) {
681	++indent;
682	os << ":" << endl << indent;
683	node->expr->accept( *this );
684	--indent;
685	} else {
686	os << " void";
687	}
688	os << endl;
689
690	return node;
691	}
692
693	virtual const ast::Stmt * visit( const ast::ThrowStmt * node ) override final {
694	if ( node->target ) os << "Non-Local ";
695
696	switch( node->kind ) {
697	case ast::ExceptionKind::Terminate: os << "Terminate "; break;
698	case ast::ExceptionKind::Resume: os << "Resume "; break;
699	}
700
701	++indent;
702	os << "Throw Statement, raising: ";
703	safe_print( node->expr );
704	if ( node->target ) {
705	os << "... at: ";
706	node->target->accept( *this );
707	}
708	--indent;
709
710	return node;
711	}
712
713	virtual const ast::Stmt * visit( const ast::TryStmt * node ) override final {
714	++indent;
715	os << "Try Statement" << endl << indent-1
716	<< "... with block:" << endl << indent;
717	safe_print( node->body );
718
719	os << indent-1 << "... and handlers:" << endl;
720	for ( const ast::CatchClause * stmt : node->handlers ) {
721	os << indent;
722	stmt->accept( *this );
723	}
724
725	if ( node->finally ) {
726	os << indent-1 << "... and finally:" << endl << indent;
727	node->finally->accept( *this );
728	}
729	--indent;
730
731	return node;
732	}
733
734	virtual const ast::CatchClause * visit( const ast::CatchClause * node ) override final {
735	os << "Catch ";
736	switch ( node->kind ) {
737	case ast::ExceptionKind::Terminate: os << "Terminate "; break;
738	case ast::ExceptionKind::Resume: os << "Resume "; break;
739	}
740	os << "Statement" << endl << indent;
741
742	++indent;
743	os << "... catching: ";
744	short_print( node->decl );
745	os << endl;
746
747	if ( node->cond ) {
748	os << indent-1 << "... with conditional:" << endl << indent;
749	node->cond->accept( *this );
750	}
751
752	os << indent-1 << "... with block:" << endl << indent;
753	safe_print( node->body );
754	--indent;
755
756	return node;
757	}
758
759	virtual const ast::FinallyClause * visit( const ast::FinallyClause * node ) override final {
760	os << "Finally Statement" << endl;
761	os << indent << "... with block:" << endl;
762	++indent;
763	os << indent;
764	safe_print( node->body );
765	--indent;
766
767	return node;
768	}
769
770	virtual const ast::Stmt * visit( const ast::SuspendStmt * node ) override final {
771	os << "Suspend Statement";
772	switch (node->kind) {
773	case ast::SuspendStmt::None : os << " with implicit target"; break;
774	case ast::SuspendStmt::Generator: os << " for generator"; break;
775	case ast::SuspendStmt::Coroutine: os << " for coroutine"; break;
776	}
777	os << endl;
778
779	++indent;
780	if(node->then) {
781	os << indent << " with post statement :" << endl;
782	safe_print( node->then );
783	}
784	++indent;
785
786	return node;
787	}
788
789	virtual const ast::WhenClause * visit( const ast::WhenClause * node ) override final {
790	os << indent-1 << "target: ";
791	safe_print( node->target );
792
793	if ( node->stmt ) {
794	os << indent-1 << "... with statment:" << endl;
795	node->stmt->accept( *this );
796	}
797
798	if ( node->when_cond ) {
799	os << indent-1 << "... with when condition:" << endl;
800	node->when_cond->accept( *this );
801	}
802
803	return node;
804	}
805
806	virtual const ast::Stmt * visit( const ast::WaitForStmt * node ) override final {
807	os << "Waitfor Statement" << endl;
808	indent += 2;
809	for( const auto & clause : node->clauses ) {
810	clause->accept( *this );
811	}
812
813	if ( node->timeout_time ) {
814	os << indent-1 << "timeout of:" << endl;
815	node->timeout_time->accept( *this );
816
817	if ( node->timeout_stmt ) {
818	os << indent-1 << "... with statment:" << endl;
819	node->timeout_stmt->accept( *this );
820	}
821
822	if ( node->timeout_cond ) {
823	os << indent-1 << "... with condition:" << endl;
824	node->timeout_cond->accept( *this );
825	}
826	}
827
828	if ( node->else_stmt ) {
829	os << indent-1 << "else:" << endl;
830	node->else_stmt->accept( *this );
831
832	if ( node->else_cond ) {
833	os << indent-1 << "... with condition:" << endl;
834	node->else_cond->accept( *this );
835	}
836	}
837
838	return node;
839	}
840
841	virtual const ast::WaitForClause * visit( const ast::WaitForClause * node ) override final {
842	os << indent-1 << "target function: ";
843	safe_print( node->target );
844
845	if ( !node->target_args.empty() ) {
846	os << endl << indent-1 << "... with arguments:" << endl;
847	for( const ast::Expr * arg : node->target_args ) {
848	arg->accept( *this );
849	}
850	}
851
852	if ( node->stmt ) {
853	os << indent-1 << "... with statment:" << endl;
854	node->stmt->accept( *this );
855	}
856
857	if ( node->when_cond ) {
858	os << indent-1 << "... with condition:" << endl;
859	node->when_cond->accept( *this );
860	}
861
862	return node;
863	}
864
865	virtual const ast::Stmt * visit( const ast::WaitUntilStmt * node ) override final {
866	os << "Waituntil Statement" << endl;
867	indent += 2;
868	for( const auto & clause : node->clauses ) {
869	clause->accept( *this );
870	}
871	// calls print( const ast::WaitStmt * node )
872	print(node);
873	return node;
874	}
875
876	virtual const ast::Decl * visit( const ast::WithStmt * node ) override final {
877	os << "With statement" << endl;
878	os << indent << "... with expressions:" << endl;
879	++indent;
880	printAll( node->exprs );
881	os << indent-1 << "... with statement:" << endl << indent;
882	safe_print( node->stmt );
883	--indent;
884
885	return node;
886	}
887
888	virtual const ast::NullStmt * visit( const ast::NullStmt * node ) override final {
889	os << "Null Statement" << endl;
890	print( node->labels );
891
892	return node;
893	}
894
895	virtual const ast::Stmt * visit( const ast::DeclStmt * node ) override final {
896	os << "Declaration of ";
897	safe_print( node->decl );
898
899	return node;
900	}
901
902	virtual const ast::Stmt * visit( const ast::ImplicitCtorDtorStmt * node ) override final {
903	os << "Implicit Ctor Dtor Statement" << endl;
904	os << indent << "... with Ctor/Dtor: ";
905	++indent;
906	safe_print( node->callStmt );
907	--indent;
908	os << endl;
909
910	return node;
911	}
912
913	virtual const ast::Stmt * visit( const ast::MutexStmt * node ) override final {
914	os << "Mutex Statement" << endl;
915	os << indent << "... with Mutex Parameters: ";
916	++indent;
917	printAll( node->mutexObjs );
918	--indent;
919	os << indent << "... with Statement: ";
920	++indent;
921	safe_print( node->stmt );
922	--indent;
923	os << endl;
924
925	return node;
926	}
927
928	virtual const ast::Stmt * visit( const ast::CorunStmt * node ) override final {
929	os << "Corun Statement" << endl;
930	os << indent << "... with Statement: ";
931	++indent;
932	safe_print( node->stmt );
933	--indent;
934	os << endl;
935
936	return node;
937	}
938
939	virtual const ast::Stmt * visit( const ast::CoforStmt * node ) override final {
940	os << "Cofor Statement" << endl;
941
942	if ( ! node->inits.empty() ) {
943	os << indent << "... initialization:" << endl;
944	++indent;
945	for ( const ast::Stmt * stmt : node->inits ) {
946	os << indent+1;
947	safe_print( stmt );
948	}
949	--indent;
950	}
951
952	if ( node->cond ) {
953	os << indent << "... condition:" << endl;
954	++indent;
955	os << indent;
956	node->cond->accept( *this );
957	--indent;
958	}
959
960	if ( node->inc ) {
961	os << indent << "... increment:" << endl;
962	++indent;
963	os << indent;
964	node->inc->accept( *this );
965	--indent;
966	}
967
968	if ( node->body ) {
969	os << indent << "... with body:" << endl;
970	++indent;
971	os << indent;
972	node->body->accept( *this );
973	--indent;
974	}
975	os << endl;
976	print( node->labels );
977
978	return node;
979	}
980
981	virtual const ast::Expr * visit( const ast::ApplicationExpr * node ) override final {
982	++indent;
983	os << "Application of" << endl << indent;
984	safe_print( node->func );
985	os << endl;
986	if ( ! node->args.empty() ) {
987	os << indent << "... to arguments" << endl;
988	printAll( node->args );
989	}
990	--indent;
991	postprint( node );
992
993	return node;
994	}
995
996	virtual const ast::Expr * visit( const ast::UntypedExpr * node ) override final {
997	++indent;
998	os << "Applying untyped:" << endl;
999	os << indent;
1000	safe_print( node->func );
1001	os << endl << indent-1 << "...to:" << endl;
1002	printAll( node->args );
1003	--indent;
1004	postprint( node );
1005
1006	return node;
1007	}
1008
1009	virtual const ast::Expr * visit( const ast::NameExpr * node ) override final {
1010	os << "Name: " << node->name;
1011	postprint( node );
1012
1013	return node;
1014	}
1015
1016	virtual const ast::Expr * visit( const ast::QualifiedNameExpr * node ) override final {
1017	os << "QualifiedNameExpr: " << std::endl;
1018	os << ++indent << "Type: ";
1019	safe_print( node->type_decl );
1020	os << std::endl;
1021	os << indent << "Name: " << node->name << std::endl;
1022	--indent;
1023	postprint( node );
1024	return node;
1025	}
1026
1027	virtual const ast::Expr * visit( const ast::AddressExpr * node ) override final {
1028	os << "Address of:" << endl;
1029	++indent;
1030	os << indent;
1031	safe_print( node->arg );
1032
1033	--indent;
1034
1035	return node;
1036	}
1037
1038	virtual const ast::Expr * visit( const ast::LabelAddressExpr * node ) override final {
1039	os << "Address of label:" << node->arg;
1040
1041	return node;
1042	}
1043
1044	virtual const ast::Expr * visit( const ast::CastExpr * node ) override final {
1045	++indent;
1046	os << (node->isGenerated ? "Generated" : "Explicit") << " Cast of:" << endl << indent;
1047	safe_print( node->arg );
1048	os << endl << indent-1 << "... to:";
1049	if ( ! node->result ) {
1050	os << " ";
1051	undefined();
1052	} else if ( node->result->isVoid() ) {
1053	os << " nothing";
1054	} else {
1055	os << endl << indent;
1056	node->result->accept( *this );
1057	} // if
1058	--indent;
1059	postprint( node );
1060
1061	return node;
1062	}
1063
1064	virtual const ast::Expr * visit( const ast::KeywordCastExpr * node ) override final {
1065	++indent;
1066	os << "Keyword Cast of:" << endl << indent;
1067	safe_print( node->arg );
1068	--indent;
1069	os << endl << indent << "... to: " << node->targetString();
1070	postprint( node );
1071
1072	return node;
1073	}
1074
1075	virtual const ast::Expr * visit( const ast::VirtualCastExpr * node ) override final {
1076	++indent;
1077	os << "Virtual Cast of:" << endl << indent;
1078	safe_print( node->arg );
1079	os << endl << indent-1 << "... to:";
1080	if ( ! node->result ) {
1081	os << " unknown";
1082	} else {
1083	os << endl << indent;
1084	node->result->accept( *this );
1085	}
1086	--indent;
1087	postprint( node );
1088
1089	return node;
1090	}
1091
1092	virtual const ast::Expr * visit( const ast::UntypedMemberExpr * node ) override final {
1093	++indent;
1094	os << "Untyped Member Expression, with field: " << endl << indent;
1095	safe_print( node->member );
1096	os << indent-1 << "... from aggregate:" << endl << indent;
1097	safe_print( node->aggregate );
1098	--indent;
1099	postprint( node );
1100
1101	return node;
1102	}
1103
1104	virtual const ast::Expr * visit( const ast::MemberExpr * node ) override final {
1105	++indent;
1106	os << "Member Expression, with field:" << endl << indent;
1107	safe_print( node->member );
1108	os << endl << indent-1 << "... from aggregate:" << endl << indent;
1109	safe_print( node->aggregate );
1110	--indent;
1111	postprint( node );
1112
1113	return node;
1114	}
1115
1116	virtual const ast::Expr * visit( const ast::VariableExpr * node ) override final {
1117	os << "Variable Expression: ";
1118	short_print( node->var );
1119	postprint( node );
1120
1121	return node;
1122	}
1123
1124	virtual const ast::Expr * visit( const ast::ConstantExpr * node ) override final {
1125	os << "Constant Expression (" << node->rep;
1126	if ( node->result ) {
1127	os << ": ";
1128	node->result->accept( *this );
1129	}
1130	os << ")";
1131	postprint( node );
1132
1133	return node;
1134	}
1135
1136	virtual const ast::Expr * visit( const ast::SizeofExpr * node ) override final {
1137	os << "Sizeof Expression on: ";
1138	++indent;
1139	if ( node->type ) node->type->accept( *this );
1140	else safe_print( node->expr );
1141	--indent;
1142	postprint( node );
1143
1144	return node;
1145	}
1146
1147	virtual const ast::Expr * visit( const ast::AlignofExpr * node ) override final {
1148	os << "Alignof Expression on: ";
1149	++indent;
1150	if ( node->type ) node->type->accept( *this );
1151	else safe_print( node->expr );
1152	--indent;
1153	postprint( node );
1154
1155	return node;
1156	}
1157
1158	virtual const ast::Expr * visit( const ast::UntypedOffsetofExpr * node ) override final {
1159	os << "Untyped Offsetof Expression on member " << node->member << " of ";
1160	++indent;
1161	safe_print( node->type );
1162	--indent;
1163	postprint( node );
1164
1165	return node;
1166	}
1167
1168	virtual const ast::Expr * visit( const ast::OffsetofExpr * node ) override final {
1169	os << "Offsetof Expression on member " << node->member->name << " of ";
1170	++indent;
1171	safe_print( node->type );
1172	--indent;
1173	postprint( node );
1174
1175	return node;
1176	}
1177
1178	virtual const ast::Expr * visit( const ast::OffsetPackExpr * node ) override final {
1179	os << "Offset Pack Expression on: ";
1180	++indent;
1181	safe_print( node->type );
1182	--indent;
1183	postprint( node );
1184
1185	return node;
1186	}
1187
1188	virtual const ast::Expr * visit( const ast::LogicalExpr * node ) override final {
1189	os << "Short-circuited operation (" << (node->isAnd ? "and" : "or") << ") on: ";
1190	safe_print( node->arg1 );
1191	os << " and ";
1192	safe_print( node->arg2 );
1193	postprint( node );
1194
1195	return node;
1196	}
1197
1198	virtual const ast::Expr * visit( const ast::ConditionalExpr * node ) override final {
1199	++indent;
1200	os << "Conditional expression on:" << endl << indent;
1201	safe_print( node->arg1 );
1202	os << indent-1 << "First alternative:" << endl << indent;
1203	safe_print( node->arg2 );
1204	os << indent-1 << "Second alternative:" << endl << indent;
1205	safe_print( node->arg3 );
1206	--indent;
1207	postprint( node );
1208
1209	return node;
1210	}
1211
1212	virtual const ast::Expr * visit( const ast::CommaExpr * node ) override final {
1213	++indent;
1214	os << "Comma Expression:" << endl << indent;
1215	safe_print( node->arg1 );
1216	os << endl << indent;
1217	safe_print( node->arg2 );
1218	--indent;
1219	postprint( node );
1220
1221	return node;
1222	}
1223
1224	virtual const ast::Expr * visit( const ast::TypeExpr * node ) override final {
1225	safe_print( node->type );
1226	postprint( node );
1227
1228	return node;
1229	}
1230
1231	virtual const ast::Expr * visit( const ast::DimensionExpr * node ) override final {
1232	os << "Type-Sys Value: " << node->name;
1233	postprint( node );
1234
1235	return node;
1236	}
1237
1238	virtual const ast::Expr * visit( const ast::AsmExpr * node ) override final {
1239	os << "Asm Expression:" << endl;
1240	++indent;
1241	if ( !node->inout.empty() ) os << "[" << node->inout << "] ";
1242	if ( node->constraint ) node->constraint->accept( *this );
1243	if ( node->operand ) node->operand->accept( *this );
1244	--indent;
1245
1246	return node;
1247	}
1248
1249	virtual const ast::Expr * visit( const ast::ImplicitCopyCtorExpr * node ) override final {
1250	++indent;
1251	os << "Implicit Copy Constructor Expression:" << endl << indent;
1252	safe_print( node->callExpr );
1253	--indent;
1254	postprint( node );
1255
1256	return node;
1257	}
1258
1259	virtual const ast::Expr * visit( const ast::ConstructorExpr * node ) override final {
1260	os << "Constructor Expression:" << endl << indent+1;
1261	indent += 2;
1262	safe_print( node->callExpr );
1263	indent -= 2;
1264	postprint( node );
1265
1266	return node;
1267	}
1268
1269	virtual const ast::Expr * visit( const ast::CompoundLiteralExpr * node ) override final {
1270	++indent;
1271	os << "Compound Literal Expression: " << endl << indent;
1272	safe_print( node->result );
1273	os << indent;
1274	safe_print( node->init );
1275	--indent;
1276	postprint( node );
1277
1278	return node;
1279	}
1280
1281	virtual const ast::Expr * visit( const ast::RangeExpr * node ) override final {
1282	os << "Range Expression: ";
1283	safe_print( node->low );
1284	os << " ... ";
1285	safe_print( node->high );
1286	postprint( node );
1287
1288	return node;
1289	}
1290
1291	virtual const ast::Expr * visit( const ast::UntypedTupleExpr * node ) override final {
1292	os << "Untyped Tuple:" << endl;
1293	++indent;
1294	printAll( node->exprs );
1295	--indent;
1296	postprint( node );
1297
1298	return node;
1299	}
1300
1301	virtual const ast::Expr * visit( const ast::TupleExpr * node ) override final {
1302	os << "Tuple:" << endl;
1303	++indent;
1304	printAll( node->exprs );
1305	--indent;
1306	postprint( node );
1307
1308	return node;
1309	}
1310
1311	virtual const ast::Expr * visit( const ast::TupleIndexExpr * node ) override final {
1312	os << "Tuple Index Expression, with tuple:" << endl;
1313	++indent;
1314	os << indent;
1315	safe_print( node->tuple );
1316	os << indent << "with index: " << node->index << endl;
1317	--indent;
1318	postprint( node );
1319
1320	return node;
1321	}
1322
1323	virtual const ast::Expr * visit( const ast::TupleAssignExpr * node ) override final {
1324	os << "Tuple Assignment Expression, with stmt expr:" << endl;
1325	++indent;
1326	os << indent;
1327	safe_print( node->stmtExpr );
1328	--indent;
1329	postprint( node );
1330
1331	return node;
1332	}
1333
1334	virtual const ast::Expr * visit( const ast::StmtExpr * node ) override final {
1335	++indent;
1336	os << "Statement Expression:" << endl << indent;
1337	safe_print( node->stmts );
1338	if ( ! node->returnDecls.empty() ) {
1339	os << indent << "... with returnDecls: ";
1340	printAll( node->returnDecls );
1341	}
1342	if ( ! node->dtors.empty() ) {
1343	os << indent << "... with dtors: ";
1344	printAll( node->dtors );
1345	}
1346	--indent;
1347	postprint( node );
1348
1349	return node;
1350	}
1351
1352	virtual const ast::Expr * visit( const ast::UniqueExpr * node ) override final {
1353	++indent;
1354	os << "Unique Expression with id: " << node->id << endl << indent;
1355	safe_print( node->expr );
1356	if ( node->object ) {
1357	os << indent-1 << "... with decl: ";
1358	short_print( node->object );
1359	}
1360	--indent;
1361	postprint( node );
1362
1363	return node;
1364	}
1365
1366	virtual const ast::Expr * visit( const ast::UntypedInitExpr * node ) override final {
1367	++indent;
1368	os << "Untyped Init Expression" << endl << indent;
1369	safe_print( node->expr );
1370	if ( ! node->initAlts.empty() ) {
1371	for ( const InitAlternative & alt : node->initAlts ) {
1372	os << indent << "InitAlternative: ";
1373	safe_print( alt.type );
1374	safe_print( alt.designation );
1375	}
1376	}
1377	--indent;
1378
1379	return node;
1380	}
1381
1382	virtual const ast::Expr * visit( const ast::InitExpr * node ) override final {
1383	++indent;
1384	os << "Init Expression" << endl << indent;
1385	safe_print( node->expr );
1386	os << indent << "... with designation: ";
1387	safe_print( node->designation );
1388	--indent;
1389
1390	return node;
1391	}
1392
1393	virtual const ast::Expr * visit( const ast::DeletedExpr * node ) override final {
1394	++indent;
1395	os << "Deleted Expression" << endl << indent;
1396	safe_print( node->expr );
1397	os << endl << indent << "... deleted by: ";
1398	safe_print( node->deleteStmt );
1399	--indent;
1400
1401	return node;
1402	}
1403
1404	virtual const ast::Expr * visit( const ast::DefaultArgExpr * node ) override final {
1405	++indent;
1406	os << "Default Argument Expression" << endl << indent;
1407	safe_print( node->expr );
1408	--indent;
1409
1410	return node;
1411	}
1412
1413	virtual const ast::Expr * visit( const ast::GenericExpr * node ) override final {
1414	++indent;
1415	os << "C11 _Generic Expression" << endl << indent;
1416	safe_print( node->control );
1417	os << endl << indent << "... with associations:" << endl;
1418	for ( const auto & assoc : node->associations ) {
1419	os << indent;
1420	if ( assoc.type ) {
1421	os << "... type: ";
1422	assoc.type->accept( *this );
1423	os << endl << indent << "... expression: ";
1424	safe_print( assoc.expr );
1425	} else {
1426	os << "... default: ";
1427	safe_print( assoc.expr );
1428	}
1429	os << endl;
1430	}
1431	--indent;
1432
1433	return node;
1434	}
1435
1436	virtual const ast::Type * visit( const ast::VoidType * node ) override final {
1437	preprint( node );
1438	os << "void";
1439	return node;
1440	}
1441
1442	virtual const ast::Type * visit( const ast::BasicType * node ) override final {
1443	preprint( node );
1444	os << ast::BasicType::typeNames[ node->kind ];
1445	return node;
1446	}
1447
1448	virtual const ast::Type * visit( const ast::PointerType * node ) override final {
1449	preprint( node );
1450	if ( ! node->isArray() ) {
1451	os << "pointer to ";
1452	} else {
1453	os << "decayed ";
1454	if ( node->isStatic ) {
1455	os << "static ";
1456	}
1457
1458	if ( node->isVarLen ) {
1459	os << "variable length array of ";
1460	} else if ( node->dimension ) {
1461	os << "array of ";
1462	node->dimension->accept( *this );
1463	os << " ";
1464	}
1465	}
1466	safe_print( node->base );
1467
1468	return node;
1469	}
1470
1471	virtual const ast::Type * visit( const ast::ArrayType * node ) override final {
1472	preprint( node );
1473	if ( node->isStatic ) {
1474	os << "static ";
1475	}
1476
1477	if ( node->isVarLen ) {
1478	os << "variable length array of ";
1479	} else if ( node->dimension ) {
1480	os << "array of ";
1481	} else {
1482	os << "open array of ";
1483	}
1484
1485	safe_print( node->base );
1486
1487	if ( node->dimension ) {
1488	os << " with dimension of ";
1489	node->dimension->accept( *this );
1490	}
1491
1492	return node;
1493	}
1494
1495	virtual const ast::Type * visit( const ast::ReferenceType * node ) override final {
1496	preprint( node );
1497	os << "reference to ";
1498	safe_print( node->base );
1499
1500	return node;
1501	}
1502
1503	virtual const ast::Type * visit( const ast::QualifiedType * node ) override final {
1504	preprint( node );
1505	++indent;
1506	os << "Qualified Type:" << endl << indent;
1507	safe_print( node->parent );
1508	os << endl << indent;
1509	safe_print( node->child );
1510	os << endl;
1511	--indent;
1512
1513	return node;
1514	}
1515
1516	virtual const ast::Type * visit( const ast::FunctionType * node ) override final {
1517	preprint( node );
1518
1519	os << "function" << endl;
1520	if ( ! node->params.empty() ) {
1521	os << indent << "... with parameters" << endl;
1522	++indent;
1523	printAll( node->params );
1524	if ( node->isVarArgs ) {
1525	os << indent << "and a variable number of other arguments" << endl;
1526	}
1527	--indent;
1528	} else if ( node->isVarArgs ) {
1529	os << indent+1 << "accepting unspecified arguments" << endl;
1530	}
1531
1532	os << indent << "... returning";
1533	if ( node->returns.empty() ) {
1534	os << " nothing" << endl;
1535	} else {
1536	os << endl;
1537	++indent;
1538	printAll( node->returns );
1539	--indent;
1540	}
1541
1542	return node;
1543	}
1544
1545	virtual const ast::Type * visit( const ast::StructInstType * node ) override final {
1546	preprint( node );
1547	os << "instance of struct " << node->name;
1548	if ( node->base ) {
1549	os << " " << ( node->base->body ? "with" : "without" ) << " body";
1550	}
1551	print( node->params );
1552
1553	return node;
1554	}
1555
1556	virtual const ast::Type * visit( const ast::UnionInstType * node ) override final {
1557	preprint( node );
1558	os << "instance of union " << node->name;
1559	if ( node->base ) {
1560	os << " " << ( node->base->body ? "with" : "without" ) << " body";
1561	}
1562	print( node->params );
1563
1564	return node;
1565	}
1566
1567	virtual const ast::Type * visit( const ast::EnumInstType * node ) override final {
1568	preprint( node );
1569	os << "instance of enum " << node->name;
1570	if ( node->base ) {
1571	os << " " << ( node->base->body ? "with" : "without" ) << " body";
1572	}
1573	print( node->params );
1574
1575	return node;
1576	}
1577
1578	virtual const ast::Type * visit( const ast::TraitInstType * node ) override final {
1579	preprint( node );
1580	os << "instance of trait " << node->name;
1581	print( node->params );
1582
1583	return node;
1584	}
1585
1586	virtual const ast::Type * visit( const ast::TypeInstType * node ) override final {
1587	preprint( node );
1588	const auto & _name = deterministic_output && isUnboundType(node) ? "[unbound]" : node->typeString();
1589	os << "instance of type " << _name
1590	<< " (" << (node->kind == ast::TypeDecl::Ftype ? "" : "not ") << "function type)";
1591	print( node->params );
1592
1593	return node;
1594	}
1595
1596	virtual const ast::Type * visit( const ast::TupleType * node ) override final {
1597	preprint( node );
1598	os << "tuple of types" << endl;
1599	++indent;
1600	printAll( node->types );
1601	--indent;
1602
1603	return node;
1604	}
1605
1606	virtual const ast::Type * visit( const ast::TypeofType * node ) override final {
1607	preprint( node );
1608	if ( node->kind == ast::TypeofType::Basetypeof ) { os << "base-"; }
1609	os << "type-of expression ";
1610	safe_print( node->expr );
1611
1612	return node;
1613	}
1614
1615	virtual const ast::Type * visit( const ast::VTableType * node ) override final {
1616	preprint( node );
1617	os << "vtable for ";
1618	safe_print( node->base );
1619
1620	return node;
1621	}
1622
1623	virtual const ast::Type * visit( const ast::VarArgsType * node ) override final {
1624	preprint( node );
1625	os << "builtin var args pack";
1626	return node;
1627	}
1628
1629	virtual const ast::Type * visit( const ast::ZeroType * node ) override final {
1630	preprint( node );
1631	os << "zero_t";
1632	return node;
1633	}
1634
1635	virtual const ast::Type * visit( const ast::OneType * node ) override final {
1636	preprint( node );
1637	os << "one_t";
1638	return node;
1639	}
1640
1641	virtual const ast::Type * visit( const ast::GlobalScopeType * node ) override final {
1642	preprint( node );
1643	os << "Global Scope Type";
1644	return node;
1645	}
1646
1647	virtual const ast::Designation * visit( const ast::Designation * node ) override final {
1648	if ( node->designators.empty() ) return node;
1649	os << "... designated by: " << endl;
1650	++indent;
1651	for ( const ast::Expr * d : node->designators ) {
1652	os << indent;
1653	d->accept( *this );
1654	os << endl;
1655	}
1656	--indent;
1657	return node;
1658	}
1659
1660	virtual const ast::Init * visit( const ast::SingleInit * node ) override final {
1661	os << "Simple Initializer: ";
1662	safe_print( node->value );
1663	return node;
1664	}
1665
1666	virtual const ast::Init * visit( const ast::ListInit * node ) override final {
1667	os << "Compound initializer: " << endl;
1668	++indent;
1669	for ( auto p : group_iterate( node->designations, node->initializers ) ) {
1670	const ast::Designation * d = std::get<0>(p);
1671	const ast::Init * init = std::get<1>(p);
1672	os << indent;
1673	init->accept( *this );
1674	os << endl;
1675	if ( ! d->designators.empty() ) {
1676	os << indent;
1677	d->accept( *this );
1678	}
1679	}
1680	--indent;
1681	return node;
1682	}
1683
1684	virtual const ast::Init * visit( const ast::ConstructorInit * node ) override final {
1685	os << "Constructor initializer: " << endl;
1686	if ( node->ctor ) {
1687	os << indent << "... initially constructed with ";
1688	++indent;
1689	node->ctor->accept( *this );
1690	--indent;
1691	}
1692
1693	if ( node->dtor ) {
1694	os << indent << "... destructed with ";
1695	++indent;
1696	node->dtor->accept( *this );
1697	--indent;
1698	}
1699
1700	if ( node->init ) {
1701	os << indent << "... with fallback C-style initializer: ";
1702	++indent;
1703	node->init->accept( *this );
1704	--indent;
1705	}
1706	return node;
1707	}
1708
1709	virtual const ast::Attribute * visit( const ast::Attribute * node ) override final {
1710	if ( node->empty() ) return node;
1711	os << "Attribute with name: " << node->name;
1712	if ( node->params.empty() ) return node;
1713	os << " with parameters: " << endl;
1714	++indent;
1715	printAll( node->params );
1716	--indent;
1717	return node;
1718	}
1719
1720	virtual const ast::TypeSubstitution * visit( const ast::TypeSubstitution * node ) override final {
1721	os << indent << "Types:" << endl;
1722	for ( const auto& i : *node ) {
1723	os << indent+1 << i.first.typeString() << " -> ";
1724	indent += 2;
1725	safe_print( i.second );
1726	indent -= 2;
1727	os << endl;
1728	}
1729	return node;
1730	}
1731
1732	};
1733
1734	} // namespace
1735
1736	void print( ostream & os, const ast::Node * node, Indenter indent ) {
1737	Printer printer { os, indent, false };
1738	node->accept(printer);
1739	}
1740
1741	void printShort( ostream & os, const ast::Decl * node, Indenter indent ) {
1742	Printer printer { os, indent, true };
1743	node->accept(printer);
1744	}
1745
1746	void print( ostream & os, Function::Specs specs ) {
1747	print( os, specs, Names::FuncSpecifiers );
1748	}
1749
1750	void print( ostream & os, Storage::Classes storage ) {
1751	print( os, storage, Names::StorageClasses );
1752	}
1753
1754	void print( ostream & os, CV::Qualifiers qualifiers ) {
1755	print( os, qualifiers, Names::Qualifiers );
1756	}
1757
1758	} // namespace ast

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