source: src/AST/Pass.impl.hpp@ 3c79ea9

ADT ast-experimental pthread-emulation qualifiedEnum
Last change on this file since 3c79ea9 was 4ec9513, checked in by Andrew Beach <ajbeach@…>, 4 years ago

Converted validate C, including adding DimensionExpr to the new ast.
  • Property mode set to 100644
File size: 64.4 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2019 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// ast::Pass.impl.hpp --
8//
9// Author : Thierry Delisle
10// Created On : Thu May 09 15::37::05 2019
11// Last Modified By :
12// Last Modified On :
13// Update Count :
14//
15
16#pragma once
17// IWYU pragma: private, include "AST/Pass.hpp"
18
19#include <type_traits>
20#include <unordered_map>
21
22#include "AST/TranslationUnit.hpp"
23#include "AST/TypeSubstitution.hpp"
24
25#define VISIT_START( node ) \
26 using namespace ast; \
27 /* back-up the visit children */ \
28 __attribute__((unused)) ast::__pass::visit_children_guard guard1( ast::__pass::visit_children(core, 0) ); \
29 /* setup the scope for passes that want to run code at exit */ \
30 __attribute__((unused)) ast::__pass::guard_value guard2( ast::__pass::at_cleanup (core, 0) ); \
31 /* begin tracing memory allocation if requested by this pass */ \
32 __pass::beginTrace( core, 0 ); \
33 /* call the implementation of the previsit of this pass */ \
34 __pass::previsit( core, node, 0 );
35
36#define VISIT_END( type, node ) \
37 /* call the implementation of the postvisit of this pass */ \
38 auto __return = __pass::postvisit( core, node, 0 ); \
39 assertf(__return, "post visit should never return null"); \
40 /* end tracing memory allocation if requested by this pass */ \
41 __pass::endTrace( core, 0 ); \
42 return __return;
43
44#ifdef PEDANTIC_PASS_ASSERT
45#define __pedantic_pass_assert(...) assert (__VA_ARGS__)
46#define __pedantic_pass_assertf(...) assertf(__VA_ARGS__)
47#else
48#define __pedantic_pass_assert(...)
49#define __pedantic_pass_assertf(...)
50#endif
51
52namespace ast {
53 template<typename node_t>
54 node_t * shallowCopy( const node_t * node );
55
56 namespace __pass {
57 // Check if this is either a null pointer or a pointer to an empty container
58 template<typename T>
59 static inline bool empty( T * ptr ) {
60 return !ptr || ptr->empty();
61 }
62
63 template< typename core_t, typename node_t >
64 static inline node_t* mutate(const node_t *node) {
65 return std::is_base_of<PureVisitor, core_t>::value ? ::ast::shallowCopy(node) : ::ast::mutate(node);
66 }
67
68 //------------------------------
69 template<typename it_t, template <class...> class container_t>
70 static inline void take_all( it_t it, container_t<ast::ptr<ast::Decl>> * decls, bool * mutated = nullptr ) {
71 if(empty(decls)) return;
72
73 std::transform(decls->begin(), decls->end(), it, [](const ast::Decl * decl) -> auto {
74 return new DeclStmt( decl->location, decl );
75 });
76 decls->clear();
77 if(mutated) *mutated = true;
78 }
79
80 template<typename it_t, template <class...> class container_t>
81 static inline void take_all( it_t it, container_t<ast::ptr<ast::Stmt>> * stmts, bool * mutated = nullptr ) {
82 if(empty(stmts)) return;
83
84 std::move(stmts->begin(), stmts->end(), it);
85 stmts->clear();
86 if(mutated) *mutated = true;
87 }
88
89 //------------------------------
90 /// Check if should be skipped, different for pointers and containers
91 template<typename node_t>
92 bool skip( const ast::ptr<node_t> & val) {
93 return !val;
94 }
95
96 template< template <class...> class container_t, typename node_t >
97 bool skip( const container_t<ast::ptr< node_t >> & val ) {
98 return val.empty();
99 }
100
101 //------------------------------
102 /// Get the value to visit, different for pointers and containers
103 template<typename node_t>
104 auto get( const ast::ptr<node_t> & val, int ) -> decltype(val.get()) {
105 return val.get();
106 }
107
108 template<typename node_t>
109 const node_t & get( const node_t & val, long) {
110 return val;
111 }
112
113 //------------------------------
114 /// Check if value was mutated, different for pointers and containers
115 template<typename lhs_t, typename rhs_t>
116 bool differs( const lhs_t * old_val, const rhs_t * new_val ) {
117 return old_val != new_val;
118 }
119
120 template< template <class...> class container_t, typename node_t >
121 bool differs( const container_t<ast::ptr< node_t >> &, const container_t<ast::ptr< node_t >> & new_val ) {
122 return !new_val.empty();
123 }
124 }
125
126 template< typename node_t >
127 template< typename object_t, typename super_t, typename field_t >
128 void __pass::result1< node_t >::apply( object_t * object, field_t super_t::* field ) {
129 object->*field = value;
130 }
131
132 template< typename core_t >
133 template< typename node_t >
134 auto ast::Pass< core_t >::call_accept( const node_t * node )
135 -> typename ast::Pass< core_t >::template generic_call_accept_result<node_t>::type
136 {
137 __pedantic_pass_assert( __visit_children() );
138 __pedantic_pass_assert( node );
139
140 static_assert( !std::is_base_of<ast::Expr, node_t>::value, "ERROR");
141 static_assert( !std::is_base_of<ast::Stmt, node_t>::value, "ERROR");
142
143 auto nval = node->accept( *this );
144 __pass::result1<
145 typename std::remove_pointer< decltype( node->accept(*this) ) >::type
146 > res;
147 res.differs = nval != node;
148 res.value = nval;
149 return res;
150 }
151
152 template< typename core_t >
153 __pass::template result1<ast::Expr> ast::Pass< core_t >::call_accept( const ast::Expr * expr ) {
154 __pedantic_pass_assert( __visit_children() );
155 __pedantic_pass_assert( expr );
156
157 const ast::TypeSubstitution ** typeSubs_ptr = __pass::typeSubs( core, 0 );
158 if ( typeSubs_ptr && expr->env ) {
159 *typeSubs_ptr = expr->env;
160 }
161
162 auto nval = expr->accept( *this );
163 return { nval != expr, nval };
164 }
165
166 template< typename core_t >
167 __pass::template result1<ast::Stmt> ast::Pass< core_t >::call_accept( const ast::Stmt * stmt ) {
168 __pedantic_pass_assert( __visit_children() );
169 __pedantic_pass_assert( stmt );
170
171 const ast::Stmt * nval = stmt->accept( *this );
172 return { nval != stmt, nval };
173 }
174
175 template< typename core_t >
176 __pass::template result1<ast::Stmt> ast::Pass< core_t >::call_accept_as_compound( const ast::Stmt * stmt ) {
177 __pedantic_pass_assert( __visit_children() );
178 __pedantic_pass_assert( stmt );
179
180 // add a few useful symbols to the scope
181 using __pass::empty;
182
183 // get the stmts/decls that will need to be spliced in
184 auto stmts_before = __pass::stmtsToAddBefore( core, 0);
185 auto stmts_after = __pass::stmtsToAddAfter ( core, 0);
186 auto decls_before = __pass::declsToAddBefore( core, 0);
187 auto decls_after = __pass::declsToAddAfter ( core, 0);
188
189 // These may be modified by subnode but most be restored once we exit this statemnet.
190 ValueGuardPtr< const ast::TypeSubstitution * > __old_env ( __pass::typeSubs( core, 0 ) );
191 ValueGuardPtr< typename std::remove_pointer< decltype(stmts_before) >::type > __old_decls_before( stmts_before );
192 ValueGuardPtr< typename std::remove_pointer< decltype(stmts_after ) >::type > __old_decls_after ( stmts_after );
193 ValueGuardPtr< typename std::remove_pointer< decltype(decls_before) >::type > __old_stmts_before( decls_before );
194 ValueGuardPtr< typename std::remove_pointer< decltype(decls_after ) >::type > __old_stmts_after ( decls_after );
195
196 // Now is the time to actually visit the node
197 const ast::Stmt * nstmt = stmt->accept( *this );
198
199 // If the pass doesn't want to add anything then we are done
200 if( empty(stmts_before) && empty(stmts_after) && empty(decls_before) && empty(decls_after) ) {
201 return { nstmt != stmt, nstmt };
202 }
203
204 // Make sure that it is either adding statements or declartions but not both
205 // this is because otherwise the order would be awkward to predict
206 assert(( empty( stmts_before ) && empty( stmts_after ))
207 || ( empty( decls_before ) && empty( decls_after )) );
208
209 // Create a new Compound Statement to hold the new decls/stmts
210 ast::CompoundStmt * compound = new ast::CompoundStmt( stmt->location );
211
212 // Take all the declarations that go before
213 __pass::take_all( std::back_inserter( compound->kids ), decls_before );
214 __pass::take_all( std::back_inserter( compound->kids ), stmts_before );
215
216 // Insert the original declaration
217 compound->kids.emplace_back( nstmt );
218
219 // Insert all the declarations that go before
220 __pass::take_all( std::back_inserter( compound->kids ), decls_after );
221 __pass::take_all( std::back_inserter( compound->kids ), stmts_after );
222
223 return {true, compound};
224 }
225
226 template< template <class...> class container_t >
227 template< typename object_t, typename super_t, typename field_t >
228 void __pass::resultNstmt<container_t>::apply(object_t * object, field_t super_t::* field) {
229 auto & container = object->*field;
230 __pedantic_pass_assert( container.size() <= values.size() );
231
232 auto cit = enumerate(container).begin();
233
234 container_t<ptr<Stmt>> nvals;
235 for (delta & d : values) {
236 if ( d.is_old ) {
237 __pedantic_pass_assert( cit.idx <= d.old_idx );
238 std::advance( cit, d.old_idx - cit.idx );
239 nvals.push_back( std::move( (*cit).val) );
240 } else {
241 nvals.push_back( std::move(d.new_val) );
242 }
243 }
244
245 container = std::move(nvals);
246 }
247
248 template< template <class...> class container_t >
249 template< template <class...> class incontainer_t >
250 void __pass::resultNstmt< container_t >::take_all( incontainer_t<ptr<Stmt>> * stmts ) {
251 if (!stmts || stmts->empty()) return;
252
253 std::transform(stmts->begin(), stmts->end(), std::back_inserter( values ),
254 [](ast::ptr<ast::Stmt>& stmt) -> delta {
255 return delta( stmt.release(), -1, false );
256 });
257 stmts->clear();
258 differs = true;
259 }
260
261 template< template<class...> class container_t >
262 template< template<class...> class incontainer_t >
263 void __pass::resultNstmt< container_t >::take_all( incontainer_t<ptr<Decl>> * decls ) {
264 if (!decls || decls->empty()) return;
265
266 std::transform(decls->begin(), decls->end(), std::back_inserter( values ),
267 [](ast::ptr<ast::Decl>& decl) -> delta {
268 auto loc = decl->location;
269 auto stmt = new DeclStmt( loc, decl.release() );
270 return delta( stmt, -1, false );
271 });
272 decls->clear();
273 differs = true;
274 }
275
276 template< typename core_t >
277 template< template <class...> class container_t >
278 __pass::template resultNstmt<container_t> ast::Pass< core_t >::call_accept( const container_t< ptr<Stmt> > & statements ) {
279 __pedantic_pass_assert( __visit_children() );
280 if( statements.empty() ) return {};
281
282 // We are going to aggregate errors for all these statements
283 SemanticErrorException errors;
284
285 // add a few useful symbols to the scope
286 using __pass::empty;
287
288 // get the stmts/decls that will need to be spliced in
289 auto stmts_before = __pass::stmtsToAddBefore( core, 0);
290 auto stmts_after = __pass::stmtsToAddAfter ( core, 0);
291 auto decls_before = __pass::declsToAddBefore( core, 0);
292 auto decls_after = __pass::declsToAddAfter ( core, 0);
293
294 // These may be modified by subnode but most be restored once we exit this statemnet.
295 ValueGuardPtr< typename std::remove_pointer< decltype(stmts_before) >::type > __old_decls_before( stmts_before );
296 ValueGuardPtr< typename std::remove_pointer< decltype(stmts_after ) >::type > __old_decls_after ( stmts_after );
297 ValueGuardPtr< typename std::remove_pointer< decltype(decls_before) >::type > __old_stmts_before( decls_before );
298 ValueGuardPtr< typename std::remove_pointer< decltype(decls_after ) >::type > __old_stmts_after ( decls_after );
299
300 // update pass statitistics
301 pass_visitor_stats.depth++;
302 pass_visitor_stats.max->push(pass_visitor_stats.depth);
303 pass_visitor_stats.avg->push(pass_visitor_stats.depth);
304
305 __pass::resultNstmt<container_t> new_kids;
306 for( auto value : enumerate( statements ) ) {
307 try {
308 size_t i = value.idx;
309 const Stmt * stmt = value.val;
310 __pedantic_pass_assert( stmt );
311 const ast::Stmt * new_stmt = stmt->accept( *this );
312 assert( new_stmt );
313 if(new_stmt != stmt ) { new_kids.differs = true; }
314
315 // Make sure that it is either adding statements or declartions but not both
316 // this is because otherwise the order would be awkward to predict
317 assert(( empty( stmts_before ) && empty( stmts_after ))
318 || ( empty( decls_before ) && empty( decls_after )) );
319
320
321
322 // Take all the statements which should have gone after, N/A for first iteration
323 new_kids.take_all( decls_before );
324 new_kids.take_all( stmts_before );
325
326 // Now add the statement if there is one
327 if(new_stmt != stmt) {
328 new_kids.values.emplace_back( new_stmt, i, false );
329 } else {
330 new_kids.values.emplace_back( nullptr, i, true );
331 }
332
333 // Take all the declarations that go before
334 new_kids.take_all( decls_after );
335 new_kids.take_all( stmts_after );
336 }
337 catch ( SemanticErrorException &e ) {
338 errors.append( e );
339 }
340 }
341 pass_visitor_stats.depth--;
342 if ( !errors.isEmpty() ) { throw errors; }
343
344 return new_kids;
345 }
346
347 template< template <class...> class container_t, typename node_t >
348 template< typename object_t, typename super_t, typename field_t >
349 void __pass::resultN<container_t, node_t>::apply(object_t * object, field_t super_t::* field) {
350 auto & container = object->*field;
351 __pedantic_pass_assert( container.size() == values.size() );
352
353 for(size_t i = 0; i < container.size(); i++) {
354 // Take all the elements that are different in 'values'
355 // and swap them into 'container'
356 if( values[i] != nullptr ) swap(container[i], values[i]);
357 }
358
359 // Now the original containers should still have the unchanged values
360 // but also contain the new values
361 }
362
363 template< typename core_t >
364 template< template <class...> class container_t, typename node_t >
365 __pass::template resultN<container_t, node_t> ast::Pass< core_t >::call_accept( const container_t< ast::ptr<node_t> > & container ) {
366 __pedantic_pass_assert( __visit_children() );
367 if( container.empty() ) return {};
368 SemanticErrorException errors;
369
370 pass_visitor_stats.depth++;
371 pass_visitor_stats.max->push(pass_visitor_stats.depth);
372 pass_visitor_stats.avg->push(pass_visitor_stats.depth);
373
374 bool mutated = false;
375 container_t<ptr<node_t>> new_kids;
376 for ( const node_t * node : container ) {
377 try {
378 __pedantic_pass_assert( node );
379 const node_t * new_stmt = strict_dynamic_cast< const node_t * >( node->accept( *this ) );
380 if(new_stmt != node ) {
381 mutated = true;
382 new_kids.emplace_back( new_stmt );
383 } else {
384 new_kids.emplace_back( nullptr );
385 }
386
387 }
388 catch( SemanticErrorException &e ) {
389 errors.append( e );
390 }
391 }
392
393 __pedantic_pass_assert( new_kids.size() == container.size() );
394 pass_visitor_stats.depth--;
395 if ( ! errors.isEmpty() ) { throw errors; }
396
397 return ast::__pass::resultN<container_t, node_t>{ mutated, new_kids };
398 }
399
400 template< typename core_t >
401 template<typename node_t, typename super_t, typename field_t>
402 void ast::Pass< core_t >::maybe_accept(
403 const node_t * & parent,
404 field_t super_t::*field
405 ) {
406 static_assert( std::is_base_of<super_t, node_t>::value, "Error deducing member object" );
407
408 if(__pass::skip(parent->*field)) return;
409 const auto & old_val = __pass::get(parent->*field, 0);
410
411 static_assert( !std::is_same<const ast::Node * &, decltype(old_val)>::value, "ERROR");
412
413 auto new_val = call_accept( old_val );
414
415 static_assert( !std::is_same<const ast::Node *, decltype(new_val)>::value /* || std::is_same<int, decltype(old_val)>::value */, "ERROR");
416
417 if( new_val.differs ) {
418 auto new_parent = __pass::mutate<core_t>(parent);
419 new_val.apply(new_parent, field);
420 parent = new_parent;
421 }
422 }
423
424 template< typename core_t >
425 template<typename node_t, typename super_t, typename field_t>
426 void ast::Pass< core_t >::maybe_accept_as_compound(
427 const node_t * & parent,
428 field_t super_t::*child
429 ) {
430 static_assert( std::is_base_of<super_t, node_t>::value, "Error deducing member object" );
431
432 if(__pass::skip(parent->*child)) return;
433 const auto & old_val = __pass::get(parent->*child, 0);
434
435 static_assert( !std::is_same<const ast::Node * &, decltype(old_val)>::value, "ERROR");
436
437 auto new_val = call_accept_as_compound( old_val );
438
439 static_assert( !std::is_same<const ast::Node *, decltype(new_val)>::value || std::is_same<int, decltype(old_val)>::value, "ERROR");
440
441 if( new_val.differs ) {
442 auto new_parent = __pass::mutate<core_t>(parent);
443 new_val.apply( new_parent, child );
444 parent = new_parent;
445 }
446 }
447
448}
449
450//------------------------------------------------------------------------------------------------------------------------------------------------------------------------
451//========================================================================================================================================================================
452//========================================================================================================================================================================
453//========================================================================================================================================================================
454//========================================================================================================================================================================
455//========================================================================================================================================================================
456//------------------------------------------------------------------------------------------------------------------------------------------------------------------------
457
458template< typename core_t >
459inline void ast::accept_all( std::list< ast::ptr<ast::Decl> > & decls, ast::Pass< core_t > & visitor ) {
460 // We are going to aggregate errors for all these statements
461 SemanticErrorException errors;
462
463 // add a few useful symbols to the scope
464 using __pass::empty;
465
466 // get the stmts/decls that will need to be spliced in
467 auto decls_before = __pass::declsToAddBefore( visitor.core, 0);
468 auto decls_after = __pass::declsToAddAfter ( visitor.core, 0);
469
470 // update pass statitistics
471 pass_visitor_stats.depth++;
472 pass_visitor_stats.max->push(pass_visitor_stats.depth);
473 pass_visitor_stats.avg->push(pass_visitor_stats.depth);
474
475 for ( std::list< ast::ptr<ast::Decl> >::iterator i = decls.begin(); ; ++i ) {
476 // splice in new declarations after previous decl
477 if ( !empty( decls_after ) ) { decls.splice( i, *decls_after ); }
478
479 if ( i == decls.end() ) break;
480
481 try {
482 // run visitor on declaration
483 ast::ptr<ast::Decl> & node = *i;
484 assert( node );
485 node = node->accept( visitor );
486 }
487 catch( SemanticErrorException &e ) {
488 if (__pass::on_error (visitor.core, *i, 0))
489 errors.append( e );
490 }
491
492 // splice in new declarations before current decl
493 if ( !empty( decls_before ) ) { decls.splice( i, *decls_before ); }
494 }
495 pass_visitor_stats.depth--;
496 if ( !errors.isEmpty() ) { throw errors; }
497}
498
499template< typename core_t >
500inline void ast::accept_all( ast::TranslationUnit & unit, ast::Pass< core_t > & visitor ) {
501 if ( auto ptr = __pass::translation_unit::get_cptr( visitor.core, 0 ) ) {
502 ValueGuard<const TranslationUnit *> guard( *ptr );
503 *ptr = &unit;
504 return ast::accept_all( unit.decls, visitor );
505 } else {
506 return ast::accept_all( unit.decls, visitor );
507 }
508}
509
510// A NOTE ON THE ORDER OF TRAVERSAL
511//
512// Types and typedefs have their base types visited before they are added to the type table. This is ok, since there is
513// no such thing as a recursive type or typedef.
514//
515// typedef struct { T *x; } T; // never allowed
516//
517// for structs/unions, it is possible to have recursion, so the decl should be added as if it's incomplete to begin, the
518// members are traversed, and then the complete type should be added (assuming the type is completed by this particular
519// declaration).
520//
521// struct T { struct T *x; }; // allowed
522//
523// It is important to add the complete type to the symbol table *after* the members/base has been traversed, since that
524// traversal may modify the definition of the type and these modifications should be visible when the symbol table is
525// queried later in this pass.
526
527//--------------------------------------------------------------------------
528// ObjectDecl
529template< typename core_t >
530const ast::DeclWithType * ast::Pass< core_t >::visit( const ast::ObjectDecl * node ) {
531 VISIT_START( node );
532
533 if ( __visit_children() ) {
534 {
535 guard_symtab guard { *this };
536 maybe_accept( node, &ObjectDecl::type );
537 }
538 maybe_accept( node, &ObjectDecl::init );
539 maybe_accept( node, &ObjectDecl::bitfieldWidth );
540 maybe_accept( node, &ObjectDecl::attributes );
541 }
542
543 __pass::symtab::addId( core, 0, node );
544
545 VISIT_END( DeclWithType, node );
546}
547
548//--------------------------------------------------------------------------
549// FunctionDecl
550template< typename core_t >
551const ast::DeclWithType * ast::Pass< core_t >::visit( const ast::FunctionDecl * node ) {
552 VISIT_START( node );
553
554 __pass::symtab::addId( core, 0, node );
555
556 if ( __visit_children() ) {
557 maybe_accept( node, &FunctionDecl::withExprs );
558 }
559 {
560 // with clause introduces a level of scope (for the with expression members).
561 // with clause exprs are added to the symbol table before parameters so that parameters
562 // shadow with exprs and not the other way around.
563 guard_symtab guard { *this };
564 __pass::symtab::addWith( core, 0, node->withExprs, node );
565 {
566 guard_symtab guard { *this };
567 // implicit add __func__ identifier as specified in the C manual 6.4.2.2
568 static ast::ptr< ast::ObjectDecl > func{ new ast::ObjectDecl{
569 CodeLocation{}, "__func__",
570 new ast::ArrayType{
571 new ast::BasicType{ ast::BasicType::Char, ast::CV::Const },
572 nullptr, VariableLen, DynamicDim
573 }
574 } };
575 __pass::symtab::addId( core, 0, func );
576 if ( __visit_children() ) {
577 maybe_accept( node, &FunctionDecl::type_params );
578 maybe_accept( node, &FunctionDecl::assertions );
579 maybe_accept( node, &FunctionDecl::params );
580 maybe_accept( node, &FunctionDecl::returns );
581 maybe_accept( node, &FunctionDecl::type );
582 // First remember that we are now within a function.
583 ValueGuard< bool > oldInFunction( inFunction );
584 inFunction = true;
585 // The function body needs to have the same scope as parameters.
586 // A CompoundStmt will not enter a new scope if atFunctionTop is true.
587 ValueGuard< bool > oldAtFunctionTop( atFunctionTop );
588 atFunctionTop = true;
589 maybe_accept( node, &FunctionDecl::stmts );
590 maybe_accept( node, &FunctionDecl::attributes );
591 }
592 }
593 }
594
595 VISIT_END( DeclWithType, node );
596}
597
598//--------------------------------------------------------------------------
599// StructDecl
600template< typename core_t >
601const ast::Decl * ast::Pass< core_t >::visit( const ast::StructDecl * node ) {
602 VISIT_START( node );
603
604 // make up a forward declaration and add it before processing the members
605 // needs to be on the heap because addStruct saves the pointer
606 __pass::symtab::addStructFwd( core, 0, node );
607
608 if ( __visit_children() ) {
609 guard_symtab guard { * this };
610 maybe_accept( node, &StructDecl::params );
611 maybe_accept( node, &StructDecl::members );
612 maybe_accept( node, &StructDecl::attributes );
613 }
614
615 // this addition replaces the forward declaration
616 __pass::symtab::addStruct( core, 0, node );
617
618 VISIT_END( Decl, node );
619}
620
621//--------------------------------------------------------------------------
622// UnionDecl
623template< typename core_t >
624const ast::Decl * ast::Pass< core_t >::visit( const ast::UnionDecl * node ) {
625 VISIT_START( node );
626
627 // make up a forward declaration and add it before processing the members
628 __pass::symtab::addUnionFwd( core, 0, node );
629
630 if ( __visit_children() ) {
631 guard_symtab guard { * this };
632 maybe_accept( node, &UnionDecl::params );
633 maybe_accept( node, &UnionDecl::members );
634 maybe_accept( node, &UnionDecl::attributes );
635 }
636
637 __pass::symtab::addUnion( core, 0, node );
638
639 VISIT_END( Decl, node );
640}
641
642//--------------------------------------------------------------------------
643// EnumDecl
644template< typename core_t >
645const ast::Decl * ast::Pass< core_t >::visit( const ast::EnumDecl * node ) {
646 VISIT_START( node );
647
648 __pass::symtab::addEnum( core, 0, node );
649
650 if ( __visit_children() ) {
651 // unlike structs, traits, and unions, enums inject their members into the global scope
652 maybe_accept( node, &EnumDecl::params );
653 maybe_accept( node, &EnumDecl::members );
654 maybe_accept( node, &EnumDecl::attributes );
655 }
656
657 VISIT_END( Decl, node );
658}
659
660//--------------------------------------------------------------------------
661// TraitDecl
662template< typename core_t >
663const ast::Decl * ast::Pass< core_t >::visit( const ast::TraitDecl * node ) {
664 VISIT_START( node );
665
666 if ( __visit_children() ) {
667 guard_symtab guard { *this };
668 maybe_accept( node, &TraitDecl::params );
669 maybe_accept( node, &TraitDecl::members );
670 maybe_accept( node, &TraitDecl::attributes );
671 }
672
673 __pass::symtab::addTrait( core, 0, node );
674
675 VISIT_END( Decl, node );
676}
677
678//--------------------------------------------------------------------------
679// TypeDecl
680template< typename core_t >
681const ast::Decl * ast::Pass< core_t >::visit( const ast::TypeDecl * node ) {
682 VISIT_START( node );
683
684 if ( __visit_children() ) {
685 guard_symtab guard { *this };
686 maybe_accept( node, &TypeDecl::base );
687 }
688
689 // see A NOTE ON THE ORDER OF TRAVERSAL, above
690 // note that assertions come after the type is added to the symtab, since they are not part of the type proper
691 // and may depend on the type itself
692 __pass::symtab::addType( core, 0, node );
693
694 if ( __visit_children() ) {
695 maybe_accept( node, &TypeDecl::assertions );
696
697 {
698 guard_symtab guard { *this };
699 maybe_accept( node, &TypeDecl::init );
700 }
701 }
702
703 VISIT_END( Decl, node );
704}
705
706//--------------------------------------------------------------------------
707// TypedefDecl
708template< typename core_t >
709const ast::Decl * ast::Pass< core_t >::visit( const ast::TypedefDecl * node ) {
710 VISIT_START( node );
711
712 if ( __visit_children() ) {
713 guard_symtab guard { *this };
714 maybe_accept( node, &TypedefDecl::base );
715 }
716
717 __pass::symtab::addType( core, 0, node );
718
719 if ( __visit_children() ) {
720 maybe_accept( node, &TypedefDecl::assertions );
721 }
722
723 VISIT_END( Decl, node );
724}
725
726//--------------------------------------------------------------------------
727// AsmDecl
728template< typename core_t >
729const ast::AsmDecl * ast::Pass< core_t >::visit( const ast::AsmDecl * node ) {
730 VISIT_START( node );
731
732 if ( __visit_children() ) {
733 maybe_accept( node, &AsmDecl::stmt );
734 }
735
736 VISIT_END( AsmDecl, node );
737}
738
739//--------------------------------------------------------------------------
740// DirectiveDecl
741template< typename core_t >
742const ast::DirectiveDecl * ast::Pass< core_t >::visit( const ast::DirectiveDecl * node ) {
743 VISIT_START( node );
744
745 if ( __visit_children() ) {
746 maybe_accept( node, &DirectiveDecl::stmt );
747 }
748
749 VISIT_END( DirectiveDecl, node );
750}
751
752//--------------------------------------------------------------------------
753// StaticAssertDecl
754template< typename core_t >
755const ast::StaticAssertDecl * ast::Pass< core_t >::visit( const ast::StaticAssertDecl * node ) {
756 VISIT_START( node );
757
758 if ( __visit_children() ) {
759 maybe_accept( node, &StaticAssertDecl::cond );
760 maybe_accept( node, &StaticAssertDecl::msg );
761 }
762
763 VISIT_END( StaticAssertDecl, node );
764}
765
766//--------------------------------------------------------------------------
767// CompoundStmt
768template< typename core_t >
769const ast::CompoundStmt * ast::Pass< core_t >::visit( const ast::CompoundStmt * node ) {
770 VISIT_START( node );
771
772 if ( __visit_children() ) {
773 // Do not enter (or leave) a new scope if atFunctionTop. Remember to save the result.
774 auto guard1 = makeFuncGuard( [this, enterScope = !this->atFunctionTop]() {
775 if ( enterScope ) {
776 __pass::symtab::enter(core, 0);
777 __pass::scope::enter(core, 0);
778 }
779 }, [this, leaveScope = !this->atFunctionTop]() {
780 if ( leaveScope ) {
781 __pass::symtab::leave(core, 0);
782 __pass::scope::leave(core, 0);
783 }
784 });
785 ValueGuard< bool > guard2( atFunctionTop );
786 atFunctionTop = false;
787 guard_scope guard3 { *this };
788 maybe_accept( node, &CompoundStmt::kids );
789 }
790
791 VISIT_END( CompoundStmt, node );
792}
793
794//--------------------------------------------------------------------------
795// ExprStmt
796template< typename core_t >
797const ast::Stmt * ast::Pass< core_t >::visit( const ast::ExprStmt * node ) {
798 VISIT_START( node );
799
800 if ( __visit_children() ) {
801 maybe_accept( node, &ExprStmt::expr );
802 }
803
804 VISIT_END( Stmt, node );
805}
806
807//--------------------------------------------------------------------------
808// AsmStmt
809template< typename core_t >
810const ast::Stmt * ast::Pass< core_t >::visit( const ast::AsmStmt * node ) {
811 VISIT_START( node )
812
813 if ( __visit_children() ) {
814 maybe_accept( node, &AsmStmt::instruction );
815 maybe_accept( node, &AsmStmt::output );
816 maybe_accept( node, &AsmStmt::input );
817 maybe_accept( node, &AsmStmt::clobber );
818 }
819
820 VISIT_END( Stmt, node );
821}
822
823//--------------------------------------------------------------------------
824// DirectiveStmt
825template< typename core_t >
826const ast::Stmt * ast::Pass< core_t >::visit( const ast::DirectiveStmt * node ) {
827 VISIT_START( node )
828
829 VISIT_END( Stmt, node );
830}
831
832//--------------------------------------------------------------------------
833// IfStmt
834template< typename core_t >
835const ast::Stmt * ast::Pass< core_t >::visit( const ast::IfStmt * node ) {
836 VISIT_START( node );
837
838 if ( __visit_children() ) {
839 // if statements introduce a level of scope (for the initialization)
840 guard_symtab guard { *this };
841 maybe_accept( node, &IfStmt::inits );
842 maybe_accept( node, &IfStmt::cond );
843 maybe_accept_as_compound( node, &IfStmt::then );
844 maybe_accept_as_compound( node, &IfStmt::else_ );
845 }
846
847 VISIT_END( Stmt, node );
848}
849
850//--------------------------------------------------------------------------
851// WhileDoStmt
852template< typename core_t >
853const ast::Stmt * ast::Pass< core_t >::visit( const ast::WhileDoStmt * node ) {
854 VISIT_START( node );
855
856 if ( __visit_children() ) {
857 // while statements introduce a level of scope (for the initialization)
858 guard_symtab guard { *this };
859 maybe_accept( node, &WhileDoStmt::inits );
860 maybe_accept( node, &WhileDoStmt::cond );
861 maybe_accept_as_compound( node, &WhileDoStmt::body );
862 }
863
864 VISIT_END( Stmt, node );
865}
866
867//--------------------------------------------------------------------------
868// ForStmt
869template< typename core_t >
870const ast::Stmt * ast::Pass< core_t >::visit( const ast::ForStmt * node ) {
871 VISIT_START( node );
872
873 if ( __visit_children() ) {
874 // for statements introduce a level of scope (for the initialization)
875 guard_symtab guard { *this };
876 // xxx - old ast does not create WithStmtsToAdd scope for loop inits. should revisit this later.
877 maybe_accept( node, &ForStmt::inits );
878 maybe_accept( node, &ForStmt::cond );
879 maybe_accept( node, &ForStmt::inc );
880 maybe_accept_as_compound( node, &ForStmt::body );
881 }
882
883 VISIT_END( Stmt, node );
884}
885
886//--------------------------------------------------------------------------
887// SwitchStmt
888template< typename core_t >
889const ast::Stmt * ast::Pass< core_t >::visit( const ast::SwitchStmt * node ) {
890 VISIT_START( node );
891
892 if ( __visit_children() ) {
893 maybe_accept( node, &SwitchStmt::cond );
894 maybe_accept( node, &SwitchStmt::cases );
895 }
896
897 VISIT_END( Stmt, node );
898}
899
900//--------------------------------------------------------------------------
901// CaseClause
902template< typename core_t >
903const ast::CaseClause * ast::Pass< core_t >::visit( const ast::CaseClause * node ) {
904 VISIT_START( node );
905
906 if ( __visit_children() ) {
907 maybe_accept( node, &CaseClause::cond );
908 maybe_accept( node, &CaseClause::stmts );
909 }
910
911 VISIT_END( CaseClause, node );
912}
913
914//--------------------------------------------------------------------------
915// BranchStmt
916template< typename core_t >
917const ast::Stmt * ast::Pass< core_t >::visit( const ast::BranchStmt * node ) {
918 VISIT_START( node );
919 VISIT_END( Stmt, node );
920}
921
922//--------------------------------------------------------------------------
923// ReturnStmt
924template< typename core_t >
925const ast::Stmt * ast::Pass< core_t >::visit( const ast::ReturnStmt * node ) {
926 VISIT_START( node );
927
928 if ( __visit_children() ) {
929 maybe_accept( node, &ReturnStmt::expr );
930 }
931
932 VISIT_END( Stmt, node );
933}
934
935//--------------------------------------------------------------------------
936// ThrowStmt
937template< typename core_t >
938const ast::Stmt * ast::Pass< core_t >::visit( const ast::ThrowStmt * node ) {
939 VISIT_START( node );
940
941 if ( __visit_children() ) {
942 maybe_accept( node, &ThrowStmt::expr );
943 maybe_accept( node, &ThrowStmt::target );
944 }
945
946 VISIT_END( Stmt, node );
947}
948
949//--------------------------------------------------------------------------
950// TryStmt
951template< typename core_t >
952const ast::Stmt * ast::Pass< core_t >::visit( const ast::TryStmt * node ) {
953 VISIT_START( node );
954
955 if ( __visit_children() ) {
956 maybe_accept( node, &TryStmt::body );
957 maybe_accept( node, &TryStmt::handlers );
958 maybe_accept( node, &TryStmt::finally );
959 }
960
961 VISIT_END( Stmt, node );
962}
963
964//--------------------------------------------------------------------------
965// CatchClause
966template< typename core_t >
967const ast::CatchClause * ast::Pass< core_t >::visit( const ast::CatchClause * node ) {
968 VISIT_START( node );
969
970 if ( __visit_children() ) {
971 // catch statements introduce a level of scope (for the caught exception)
972 guard_symtab guard { *this };
973 maybe_accept( node, &CatchClause::decl );
974 maybe_accept( node, &CatchClause::cond );
975 maybe_accept_as_compound( node, &CatchClause::body );
976 }
977
978 VISIT_END( CatchClause, node );
979}
980
981//--------------------------------------------------------------------------
982// FinallyClause
983template< typename core_t >
984const ast::FinallyClause * ast::Pass< core_t >::visit( const ast::FinallyClause * node ) {
985 VISIT_START( node );
986
987 if ( __visit_children() ) {
988 maybe_accept( node, &FinallyClause::body );
989 }
990
991 VISIT_END( FinallyClause, node );
992}
993
994//--------------------------------------------------------------------------
995// FinallyStmt
996template< typename core_t >
997const ast::Stmt * ast::Pass< core_t >::visit( const ast::SuspendStmt * node ) {
998 VISIT_START( node );
999
1000 if ( __visit_children() ) {
1001 maybe_accept( node, &SuspendStmt::then );
1002 }
1003
1004 VISIT_END( Stmt, node );
1005}
1006
1007//--------------------------------------------------------------------------
1008// WaitForStmt
1009template< typename core_t >
1010const ast::Stmt * ast::Pass< core_t >::visit( const ast::WaitForStmt * node ) {
1011 VISIT_START( node );
1012 // for( auto & clause : node->clauses ) {
1013 // maybeAccept_impl( clause.target.function, *this );
1014 // maybeAccept_impl( clause.target.arguments, *this );
1015
1016 // maybeAccept_impl( clause.statement, *this );
1017 // maybeAccept_impl( clause.condition, *this );
1018 // }
1019
1020 if ( __visit_children() ) {
1021 std::vector<WaitForStmt::Clause> new_clauses;
1022 new_clauses.reserve( node->clauses.size() );
1023 bool mutated = false;
1024 for( const auto & clause : node->clauses ) {
1025
1026 const Expr * func = clause.target.func ? clause.target.func->accept(*this) : nullptr;
1027 if(func != clause.target.func) mutated = true;
1028 else func = nullptr;
1029
1030 std::vector<ptr<Expr>> new_args;
1031 new_args.reserve(clause.target.args.size());
1032 for( const auto & arg : clause.target.args ) {
1033 auto a = arg->accept(*this);
1034 if( a != arg ) {
1035 mutated = true;
1036 new_args.push_back( a );
1037 } else
1038 new_args.push_back( nullptr );
1039 }
1040
1041 const Stmt * stmt = clause.stmt ? clause.stmt->accept(*this) : nullptr;
1042 if(stmt != clause.stmt) mutated = true;
1043 else stmt = nullptr;
1044
1045 const Expr * cond = clause.cond ? clause.cond->accept(*this) : nullptr;
1046 if(cond != clause.cond) mutated = true;
1047 else cond = nullptr;
1048
1049 new_clauses.push_back( WaitForStmt::Clause{ {func, std::move(new_args) }, stmt, cond } );
1050 }
1051
1052 if(mutated) {
1053 auto n = __pass::mutate<core_t>(node);
1054 for(size_t i = 0; i < new_clauses.size(); i++) {
1055 if(new_clauses.at(i).target.func != nullptr) swap(n->clauses.at(i).target.func, new_clauses.at(i).target.func);
1056
1057 for(size_t j = 0; j < new_clauses.at(i).target.args.size(); j++) {
1058 if(new_clauses.at(i).target.args.at(j) != nullptr) swap(n->clauses.at(i).target.args.at(j), new_clauses.at(i).target.args.at(j));
1059 }
1060
1061 if(new_clauses.at(i).stmt != nullptr) swap(n->clauses.at(i).stmt, new_clauses.at(i).stmt);
1062 if(new_clauses.at(i).cond != nullptr) swap(n->clauses.at(i).cond, new_clauses.at(i).cond);
1063 }
1064 node = n;
1065 }
1066 }
1067
1068 #define maybe_accept(field) \
1069 if(node->field) { \
1070 auto nval = call_accept( node->field ); \
1071 if(nval.differs ) { \
1072 auto nparent = __pass::mutate<core_t>(node); \
1073 nparent->field = nval.value; \
1074 node = nparent; \
1075 } \
1076 }
1077
1078 if ( __visit_children() ) {
1079 maybe_accept( timeout.time );
1080 maybe_accept( timeout.stmt );
1081 maybe_accept( timeout.cond );
1082 maybe_accept( orElse.stmt );
1083 maybe_accept( orElse.cond );
1084 }
1085
1086 #undef maybe_accept
1087
1088 VISIT_END( Stmt, node );
1089}
1090
1091//--------------------------------------------------------------------------
1092// WithStmt
1093template< typename core_t >
1094const ast::Decl * ast::Pass< core_t >::visit( const ast::WithStmt * node ) {
1095 VISIT_START( node );
1096
1097 if ( __visit_children() ) {
1098 maybe_accept( node, &WithStmt::exprs );
1099 {
1100 // catch statements introduce a level of scope (for the caught exception)
1101 guard_symtab guard { *this };
1102 __pass::symtab::addWith( core, 0, node->exprs, node );
1103 maybe_accept( node, &WithStmt::stmt );
1104 }
1105 }
1106
1107 VISIT_END( Stmt, node );
1108}
1109
1110//--------------------------------------------------------------------------
1111// NullStmt
1112template< typename core_t >
1113const ast::NullStmt * ast::Pass< core_t >::visit( const ast::NullStmt * node ) {
1114 VISIT_START( node );
1115 VISIT_END( NullStmt, node );
1116}
1117
1118//--------------------------------------------------------------------------
1119// DeclStmt
1120template< typename core_t >
1121const ast::Stmt * ast::Pass< core_t >::visit( const ast::DeclStmt * node ) {
1122 VISIT_START( node );
1123
1124 if ( __visit_children() ) {
1125 maybe_accept( node, &DeclStmt::decl );
1126 }
1127
1128 VISIT_END( Stmt, node );
1129}
1130
1131//--------------------------------------------------------------------------
1132// ImplicitCtorDtorStmt
1133template< typename core_t >
1134const ast::Stmt * ast::Pass< core_t >::visit( const ast::ImplicitCtorDtorStmt * node ) {
1135 VISIT_START( node );
1136
1137 // For now this isn't visited, it is unclear if this causes problem
1138 // if all tests are known to pass, remove this code
1139 if ( __visit_children() ) {
1140 maybe_accept( node, &ImplicitCtorDtorStmt::callStmt );
1141 }
1142
1143 VISIT_END( Stmt, node );
1144}
1145
1146//--------------------------------------------------------------------------
1147// MutexStmt
1148template< typename core_t >
1149const ast::Stmt * ast::Pass< core_t >::visit( const ast::MutexStmt * node ) {
1150 VISIT_START( node );
1151
1152 if ( __visit_children() ) {
1153 // mutex statements introduce a level of scope (for the initialization)
1154 guard_symtab guard { *this };
1155 maybe_accept( node, &MutexStmt::stmt );
1156 maybe_accept( node, &MutexStmt::mutexObjs );
1157 }
1158
1159 VISIT_END( Stmt, node );
1160}
1161
1162//--------------------------------------------------------------------------
1163// ApplicationExpr
1164template< typename core_t >
1165const ast::Expr * ast::Pass< core_t >::visit( const ast::ApplicationExpr * node ) {
1166 VISIT_START( node );
1167
1168 if ( __visit_children() ) {
1169 {
1170 guard_symtab guard { *this };
1171 maybe_accept( node, &ApplicationExpr::result );
1172 }
1173 maybe_accept( node, &ApplicationExpr::func );
1174 maybe_accept( node, &ApplicationExpr::args );
1175 }
1176
1177 VISIT_END( Expr, node );
1178}
1179
1180//--------------------------------------------------------------------------
1181// UntypedExpr
1182template< typename core_t >
1183const ast::Expr * ast::Pass< core_t >::visit( const ast::UntypedExpr * node ) {
1184 VISIT_START( node );
1185
1186 if ( __visit_children() ) {
1187 {
1188 guard_symtab guard { *this };
1189 maybe_accept( node, &UntypedExpr::result );
1190 }
1191
1192 maybe_accept( node, &UntypedExpr::args );
1193 }
1194
1195 VISIT_END( Expr, node );
1196}
1197
1198//--------------------------------------------------------------------------
1199// NameExpr
1200template< typename core_t >
1201const ast::Expr * ast::Pass< core_t >::visit( const ast::NameExpr * node ) {
1202 VISIT_START( node );
1203
1204 if ( __visit_children() ) {
1205 guard_symtab guard { *this };
1206 maybe_accept( node, &NameExpr::result );
1207 }
1208
1209 VISIT_END( Expr, node );
1210}
1211
1212//--------------------------------------------------------------------------
1213// CastExpr
1214template< typename core_t >
1215const ast::Expr * ast::Pass< core_t >::visit( const ast::CastExpr * node ) {
1216 VISIT_START( node );
1217
1218 if ( __visit_children() ) {
1219 {
1220 guard_symtab guard { *this };
1221 maybe_accept( node, &CastExpr::result );
1222 }
1223 maybe_accept( node, &CastExpr::arg );
1224 }
1225
1226 VISIT_END( Expr, node );
1227}
1228
1229//--------------------------------------------------------------------------
1230// KeywordCastExpr
1231template< typename core_t >
1232const ast::Expr * ast::Pass< core_t >::visit( const ast::KeywordCastExpr * node ) {
1233 VISIT_START( node );
1234
1235 if ( __visit_children() ) {
1236 {
1237 guard_symtab guard { *this };
1238 maybe_accept( node, &KeywordCastExpr::result );
1239 }
1240 maybe_accept( node, &KeywordCastExpr::arg );
1241 }
1242
1243 VISIT_END( Expr, node );
1244}
1245
1246//--------------------------------------------------------------------------
1247// VirtualCastExpr
1248template< typename core_t >
1249const ast::Expr * ast::Pass< core_t >::visit( const ast::VirtualCastExpr * node ) {
1250 VISIT_START( node );
1251
1252 if ( __visit_children() ) {
1253 {
1254 guard_symtab guard { *this };
1255 maybe_accept( node, &VirtualCastExpr::result );
1256 }
1257 maybe_accept( node, &VirtualCastExpr::arg );
1258 }
1259
1260 VISIT_END( Expr, node );
1261}
1262
1263//--------------------------------------------------------------------------
1264// AddressExpr
1265template< typename core_t >
1266const ast::Expr * ast::Pass< core_t >::visit( const ast::AddressExpr * node ) {
1267 VISIT_START( node );
1268
1269 if ( __visit_children() ) {
1270 {
1271 guard_symtab guard { *this };
1272 maybe_accept( node, &AddressExpr::result );
1273 }
1274 maybe_accept( node, &AddressExpr::arg );
1275 }
1276
1277 VISIT_END( Expr, node );
1278}
1279
1280//--------------------------------------------------------------------------
1281// LabelAddressExpr
1282template< typename core_t >
1283const ast::Expr * ast::Pass< core_t >::visit( const ast::LabelAddressExpr * node ) {
1284 VISIT_START( node );
1285
1286 if ( __visit_children() ) {
1287 guard_symtab guard { *this };
1288 maybe_accept( node, &LabelAddressExpr::result );
1289 }
1290
1291 VISIT_END( Expr, node );
1292}
1293
1294//--------------------------------------------------------------------------
1295// UntypedMemberExpr
1296template< typename core_t >
1297const ast::Expr * ast::Pass< core_t >::visit( const ast::UntypedMemberExpr * node ) {
1298 VISIT_START( node );
1299
1300 if ( __visit_children() ) {
1301 {
1302 guard_symtab guard { *this };
1303 maybe_accept( node, &UntypedMemberExpr::result );
1304 }
1305 maybe_accept( node, &UntypedMemberExpr::aggregate );
1306 maybe_accept( node, &UntypedMemberExpr::member );
1307 }
1308
1309 VISIT_END( Expr, node );
1310}
1311
1312//--------------------------------------------------------------------------
1313// MemberExpr
1314template< typename core_t >
1315const ast::Expr * ast::Pass< core_t >::visit( const ast::MemberExpr * node ) {
1316 VISIT_START( node );
1317
1318 if ( __visit_children() ) {
1319 {
1320 guard_symtab guard { *this };
1321 maybe_accept( node, &MemberExpr::result );
1322 }
1323 maybe_accept( node, &MemberExpr::aggregate );
1324 }
1325
1326 VISIT_END( Expr, node );
1327}
1328
1329//--------------------------------------------------------------------------
1330// VariableExpr
1331template< typename core_t >
1332const ast::Expr * ast::Pass< core_t >::visit( const ast::VariableExpr * node ) {
1333 VISIT_START( node );
1334
1335 if ( __visit_children() ) {
1336 guard_symtab guard { *this };
1337 maybe_accept( node, &VariableExpr::result );
1338 }
1339
1340 VISIT_END( Expr, node );
1341}
1342
1343//--------------------------------------------------------------------------
1344// ConstantExpr
1345template< typename core_t >
1346const ast::Expr * ast::Pass< core_t >::visit( const ast::ConstantExpr * node ) {
1347 VISIT_START( node );
1348
1349 if ( __visit_children() ) {
1350 guard_symtab guard { *this };
1351 maybe_accept( node, &ConstantExpr::result );
1352 }
1353
1354 VISIT_END( Expr, node );
1355}
1356
1357//--------------------------------------------------------------------------
1358// SizeofExpr
1359template< typename core_t >
1360const ast::Expr * ast::Pass< core_t >::visit( const ast::SizeofExpr * node ) {
1361 VISIT_START( node );
1362
1363 if ( __visit_children() ) {
1364 {
1365 guard_symtab guard { *this };
1366 maybe_accept( node, &SizeofExpr::result );
1367 }
1368 if ( node->type ) {
1369 maybe_accept( node, &SizeofExpr::type );
1370 } else {
1371 maybe_accept( node, &SizeofExpr::expr );
1372 }
1373 }
1374
1375 VISIT_END( Expr, node );
1376}
1377
1378//--------------------------------------------------------------------------
1379// AlignofExpr
1380template< typename core_t >
1381const ast::Expr * ast::Pass< core_t >::visit( const ast::AlignofExpr * node ) {
1382 VISIT_START( node );
1383
1384 if ( __visit_children() ) {
1385 {
1386 guard_symtab guard { *this };
1387 maybe_accept( node, &AlignofExpr::result );
1388 }
1389 if ( node->type ) {
1390 maybe_accept( node, &AlignofExpr::type );
1391 } else {
1392 maybe_accept( node, &AlignofExpr::expr );
1393 }
1394 }
1395
1396 VISIT_END( Expr, node );
1397}
1398
1399//--------------------------------------------------------------------------
1400// UntypedOffsetofExpr
1401template< typename core_t >
1402const ast::Expr * ast::Pass< core_t >::visit( const ast::UntypedOffsetofExpr * node ) {
1403 VISIT_START( node );
1404
1405 if ( __visit_children() ) {
1406 {
1407 guard_symtab guard { *this };
1408 maybe_accept( node, &UntypedOffsetofExpr::result );
1409 }
1410 maybe_accept( node, &UntypedOffsetofExpr::type );
1411 }
1412
1413 VISIT_END( Expr, node );
1414}
1415
1416//--------------------------------------------------------------------------
1417// OffsetofExpr
1418template< typename core_t >
1419const ast::Expr * ast::Pass< core_t >::visit( const ast::OffsetofExpr * node ) {
1420 VISIT_START( node );
1421
1422 if ( __visit_children() ) {
1423 {
1424 guard_symtab guard { *this };
1425 maybe_accept( node, &OffsetofExpr::result );
1426 }
1427 maybe_accept( node, &OffsetofExpr::type );
1428 }
1429
1430 VISIT_END( Expr, node );
1431}
1432
1433//--------------------------------------------------------------------------
1434// OffsetPackExpr
1435template< typename core_t >
1436const ast::Expr * ast::Pass< core_t >::visit( const ast::OffsetPackExpr * node ) {
1437 VISIT_START( node );
1438
1439 if ( __visit_children() ) {
1440 {
1441 guard_symtab guard { *this };
1442 maybe_accept( node, &OffsetPackExpr::result );
1443 }
1444 maybe_accept( node, &OffsetPackExpr::type );
1445 }
1446
1447 VISIT_END( Expr, node );
1448}
1449
1450//--------------------------------------------------------------------------
1451// LogicalExpr
1452template< typename core_t >
1453const ast::Expr * ast::Pass< core_t >::visit( const ast::LogicalExpr * node ) {
1454 VISIT_START( node );
1455
1456 if ( __visit_children() ) {
1457 {
1458 guard_symtab guard { *this };
1459 maybe_accept( node, &LogicalExpr::result );
1460 }
1461 maybe_accept( node, &LogicalExpr::arg1 );
1462 maybe_accept( node, &LogicalExpr::arg2 );
1463 }
1464
1465 VISIT_END( Expr, node );
1466}
1467
1468//--------------------------------------------------------------------------
1469// ConditionalExpr
1470template< typename core_t >
1471const ast::Expr * ast::Pass< core_t >::visit( const ast::ConditionalExpr * node ) {
1472 VISIT_START( node );
1473
1474 if ( __visit_children() ) {
1475 {
1476 guard_symtab guard { *this };
1477 maybe_accept( node, &ConditionalExpr::result );
1478 }
1479 maybe_accept( node, &ConditionalExpr::arg1 );
1480 maybe_accept( node, &ConditionalExpr::arg2 );
1481 maybe_accept( node, &ConditionalExpr::arg3 );
1482 }
1483
1484 VISIT_END( Expr, node );
1485}
1486
1487//--------------------------------------------------------------------------
1488// CommaExpr
1489template< typename core_t >
1490const ast::Expr * ast::Pass< core_t >::visit( const ast::CommaExpr * node ) {
1491 VISIT_START( node );
1492
1493 if ( __visit_children() ) {
1494 {
1495 guard_symtab guard { *this };
1496 maybe_accept( node, &CommaExpr::result );
1497 }
1498 maybe_accept( node, &CommaExpr::arg1 );
1499 maybe_accept( node, &CommaExpr::arg2 );
1500 }
1501
1502 VISIT_END( Expr, node );
1503}
1504
1505//--------------------------------------------------------------------------
1506// TypeExpr
1507template< typename core_t >
1508const ast::Expr * ast::Pass< core_t >::visit( const ast::TypeExpr * node ) {
1509 VISIT_START( node );
1510
1511 if ( __visit_children() ) {
1512 {
1513 guard_symtab guard { *this };
1514 maybe_accept( node, &TypeExpr::result );
1515 }
1516 maybe_accept( node, &TypeExpr::type );
1517 }
1518
1519 VISIT_END( Expr, node );
1520}
1521
1522//--------------------------------------------------------------------------
1523// DimensionExpr
1524template< typename core_t >
1525const ast::Expr * ast::Pass< core_t >::visit( const ast::DimensionExpr * node ) {
1526 VISIT_START( node );
1527
1528 if ( __visit_children() ) {
1529 guard_symtab guard { *this };
1530 maybe_accept( node, &DimensionExpr::result );
1531 }
1532
1533 VISIT_END( Expr, node );
1534}
1535
1536//--------------------------------------------------------------------------
1537// AsmExpr
1538template< typename core_t >
1539const ast::Expr * ast::Pass< core_t >::visit( const ast::AsmExpr * node ) {
1540 VISIT_START( node );
1541
1542 if ( __visit_children() ) {
1543 {
1544 guard_symtab guard { *this };
1545 maybe_accept( node, &AsmExpr::result );
1546 }
1547 maybe_accept( node, &AsmExpr::constraint );
1548 maybe_accept( node, &AsmExpr::operand );
1549 }
1550
1551 VISIT_END( Expr, node );
1552}
1553
1554//--------------------------------------------------------------------------
1555// ImplicitCopyCtorExpr
1556template< typename core_t >
1557const ast::Expr * ast::Pass< core_t >::visit( const ast::ImplicitCopyCtorExpr * node ) {
1558 VISIT_START( node );
1559
1560 if ( __visit_children() ) {
1561 {
1562 guard_symtab guard { *this };
1563 maybe_accept( node, &ImplicitCopyCtorExpr::result );
1564 }
1565 maybe_accept( node, &ImplicitCopyCtorExpr::callExpr );
1566 }
1567
1568 VISIT_END( Expr, node );
1569}
1570
1571//--------------------------------------------------------------------------
1572// ConstructorExpr
1573template< typename core_t >
1574const ast::Expr * ast::Pass< core_t >::visit( const ast::ConstructorExpr * node ) {
1575 VISIT_START( node );
1576
1577 if ( __visit_children() ) {
1578 {
1579 guard_symtab guard { *this };
1580 maybe_accept( node, &ConstructorExpr::result );
1581 }
1582 maybe_accept( node, &ConstructorExpr::callExpr );
1583 }
1584
1585 VISIT_END( Expr, node );
1586}
1587
1588//--------------------------------------------------------------------------
1589// CompoundLiteralExpr
1590template< typename core_t >
1591const ast::Expr * ast::Pass< core_t >::visit( const ast::CompoundLiteralExpr * node ) {
1592 VISIT_START( node );
1593
1594 if ( __visit_children() ) {
1595 {
1596 guard_symtab guard { *this };
1597 maybe_accept( node, &CompoundLiteralExpr::result );
1598 }
1599 maybe_accept( node, &CompoundLiteralExpr::init );
1600 }
1601
1602 VISIT_END( Expr, node );
1603}
1604
1605//--------------------------------------------------------------------------
1606// RangeExpr
1607template< typename core_t >
1608const ast::Expr * ast::Pass< core_t >::visit( const ast::RangeExpr * node ) {
1609 VISIT_START( node );
1610
1611 if ( __visit_children() ) {
1612 {
1613 guard_symtab guard { *this };
1614 maybe_accept( node, &RangeExpr::result );
1615 }
1616 maybe_accept( node, &RangeExpr::low );
1617 maybe_accept( node, &RangeExpr::high );
1618 }
1619
1620 VISIT_END( Expr, node );
1621}
1622
1623//--------------------------------------------------------------------------
1624// UntypedTupleExpr
1625template< typename core_t >
1626const ast::Expr * ast::Pass< core_t >::visit( const ast::UntypedTupleExpr * node ) {
1627 VISIT_START( node );
1628
1629 if ( __visit_children() ) {
1630 {
1631 guard_symtab guard { *this };
1632 maybe_accept( node, &UntypedTupleExpr::result );
1633 }
1634 maybe_accept( node, &UntypedTupleExpr::exprs );
1635 }
1636
1637 VISIT_END( Expr, node );
1638}
1639
1640//--------------------------------------------------------------------------
1641// TupleExpr
1642template< typename core_t >
1643const ast::Expr * ast::Pass< core_t >::visit( const ast::TupleExpr * node ) {
1644 VISIT_START( node );
1645
1646 if ( __visit_children() ) {
1647 {
1648 guard_symtab guard { *this };
1649 maybe_accept( node, &TupleExpr::result );
1650 }
1651 maybe_accept( node, &TupleExpr::exprs );
1652 }
1653
1654 VISIT_END( Expr, node );
1655}
1656
1657//--------------------------------------------------------------------------
1658// TupleIndexExpr
1659template< typename core_t >
1660const ast::Expr * ast::Pass< core_t >::visit( const ast::TupleIndexExpr * node ) {
1661 VISIT_START( node );
1662
1663 if ( __visit_children() ) {
1664 {
1665 guard_symtab guard { *this };
1666 maybe_accept( node, &TupleIndexExpr::result );
1667 }
1668 maybe_accept( node, &TupleIndexExpr::tuple );
1669 }
1670
1671 VISIT_END( Expr, node );
1672}
1673
1674//--------------------------------------------------------------------------
1675// TupleAssignExpr
1676template< typename core_t >
1677const ast::Expr * ast::Pass< core_t >::visit( const ast::TupleAssignExpr * node ) {
1678 VISIT_START( node );
1679
1680 if ( __visit_children() ) {
1681 {
1682 guard_symtab guard { *this };
1683 maybe_accept( node, &TupleAssignExpr::result );
1684 }
1685 maybe_accept( node, &TupleAssignExpr::stmtExpr );
1686 }
1687
1688 VISIT_END( Expr, node );
1689}
1690
1691//--------------------------------------------------------------------------
1692// StmtExpr
1693template< typename core_t >
1694const ast::Expr * ast::Pass< core_t >::visit( const ast::StmtExpr * node ) {
1695 VISIT_START( node );
1696
1697 if ( __visit_children() ) {
1698 // don't want statements from outer CompoundStmts to be added to this StmtExpr
1699 // get the stmts that will need to be spliced in
1700 auto stmts_before = __pass::stmtsToAddBefore( core, 0);
1701 auto stmts_after = __pass::stmtsToAddAfter ( core, 0);
1702
1703 // These may be modified by subnode but most be restored once we exit this statemnet.
1704 ValueGuardPtr< const ast::TypeSubstitution * > __old_env( __pass::typeSubs( core, 0 ) );
1705 ValueGuardPtr< typename std::remove_pointer< decltype(stmts_before) >::type > __old_decls_before( stmts_before );
1706 ValueGuardPtr< typename std::remove_pointer< decltype(stmts_after ) >::type > __old_decls_after ( stmts_after );
1707
1708 {
1709 guard_symtab guard { *this };
1710 maybe_accept( node, &StmtExpr::result );
1711 }
1712 maybe_accept( node, &StmtExpr::stmts );
1713 maybe_accept( node, &StmtExpr::returnDecls );
1714 maybe_accept( node, &StmtExpr::dtors );
1715 }
1716
1717 VISIT_END( Expr, node );
1718}
1719
1720//--------------------------------------------------------------------------
1721// UniqueExpr
1722template< typename core_t >
1723const ast::Expr * ast::Pass< core_t >::visit( const ast::UniqueExpr * node ) {
1724 VISIT_START( node );
1725
1726 if ( __visit_children() ) {
1727 {
1728 guard_symtab guard { *this };
1729 maybe_accept( node, &UniqueExpr::result );
1730 }
1731 maybe_accept( node, &UniqueExpr::expr );
1732 }
1733
1734 VISIT_END( Expr, node );
1735}
1736
1737//--------------------------------------------------------------------------
1738// UntypedInitExpr
1739template< typename core_t >
1740const ast::Expr * ast::Pass< core_t >::visit( const ast::UntypedInitExpr * node ) {
1741 VISIT_START( node );
1742
1743 if ( __visit_children() ) {
1744 {
1745 guard_symtab guard { *this };
1746 maybe_accept( node, &UntypedInitExpr::result );
1747 }
1748 maybe_accept( node, &UntypedInitExpr::expr );
1749 // not currently visiting initAlts, but this doesn't matter since this node is only used in the resolver.
1750 }
1751
1752 VISIT_END( Expr, node );
1753}
1754
1755//--------------------------------------------------------------------------
1756// InitExpr
1757template< typename core_t >
1758const ast::Expr * ast::Pass< core_t >::visit( const ast::InitExpr * node ) {
1759 VISIT_START( node );
1760
1761 if ( __visit_children() ) {
1762 {
1763 guard_symtab guard { *this };
1764 maybe_accept( node, &InitExpr::result );
1765 }
1766 maybe_accept( node, &InitExpr::expr );
1767 maybe_accept( node, &InitExpr::designation );
1768 }
1769
1770 VISIT_END( Expr, node );
1771}
1772
1773//--------------------------------------------------------------------------
1774// DeletedExpr
1775template< typename core_t >
1776const ast::Expr * ast::Pass< core_t >::visit( const ast::DeletedExpr * node ) {
1777 VISIT_START( node );
1778
1779 if ( __visit_children() ) {
1780 {
1781 guard_symtab guard { *this };
1782 maybe_accept( node, &DeletedExpr::result );
1783 }
1784 maybe_accept( node, &DeletedExpr::expr );
1785 // don't visit deleteStmt, because it is a pointer to somewhere else in the tree.
1786 }
1787
1788 VISIT_END( Expr, node );
1789}
1790
1791//--------------------------------------------------------------------------
1792// DefaultArgExpr
1793template< typename core_t >
1794const ast::Expr * ast::Pass< core_t >::visit( const ast::DefaultArgExpr * node ) {
1795 VISIT_START( node );
1796
1797 if ( __visit_children() ) {
1798 {
1799 guard_symtab guard { *this };
1800 maybe_accept( node, &DefaultArgExpr::result );
1801 }
1802 maybe_accept( node, &DefaultArgExpr::expr );
1803 }
1804
1805 VISIT_END( Expr, node );
1806}
1807
1808//--------------------------------------------------------------------------
1809// GenericExpr
1810template< typename core_t >
1811const ast::Expr * ast::Pass< core_t >::visit( const ast::GenericExpr * node ) {
1812 VISIT_START( node );
1813
1814 if ( __visit_children() ) {
1815 {
1816 guard_symtab guard { *this };
1817 maybe_accept( node, &GenericExpr::result );
1818 }
1819 maybe_accept( node, &GenericExpr::control );
1820
1821 std::vector<GenericExpr::Association> new_kids;
1822 new_kids.reserve(node->associations.size());
1823 bool mutated = false;
1824 for( const auto & assoc : node->associations ) {
1825 const Type * type = nullptr;
1826 if( assoc.type ) {
1827 guard_symtab guard { *this };
1828 type = assoc.type->accept( *this );
1829 if( type != assoc.type ) mutated = true;
1830 }
1831 const Expr * expr = nullptr;
1832 if( assoc.expr ) {
1833 expr = assoc.expr->accept( *this );
1834 if( expr != assoc.expr ) mutated = true;
1835 }
1836 new_kids.emplace_back( type, expr );
1837 }
1838
1839 if(mutated) {
1840 auto n = __pass::mutate<core_t>(node);
1841 n->associations = std::move( new_kids );
1842 node = n;
1843 }
1844 }
1845
1846 VISIT_END( Expr, node );
1847}
1848
1849//--------------------------------------------------------------------------
1850// VoidType
1851template< typename core_t >
1852const ast::Type * ast::Pass< core_t >::visit( const ast::VoidType * node ) {
1853 VISIT_START( node );
1854
1855 VISIT_END( Type, node );
1856}
1857
1858//--------------------------------------------------------------------------
1859// BasicType
1860template< typename core_t >
1861const ast::Type * ast::Pass< core_t >::visit( const ast::BasicType * node ) {
1862 VISIT_START( node );
1863
1864 VISIT_END( Type, node );
1865}
1866
1867//--------------------------------------------------------------------------
1868// PointerType
1869template< typename core_t >
1870const ast::Type * ast::Pass< core_t >::visit( const ast::PointerType * node ) {
1871 VISIT_START( node );
1872
1873 if ( __visit_children() ) {
1874 maybe_accept( node, &PointerType::dimension );
1875 maybe_accept( node, &PointerType::base );
1876 }
1877
1878 VISIT_END( Type, node );
1879}
1880
1881//--------------------------------------------------------------------------
1882// ArrayType
1883template< typename core_t >
1884const ast::Type * ast::Pass< core_t >::visit( const ast::ArrayType * node ) {
1885 VISIT_START( node );
1886
1887 if ( __visit_children() ) {
1888 maybe_accept( node, &ArrayType::dimension );
1889 maybe_accept( node, &ArrayType::base );
1890 }
1891
1892 VISIT_END( Type, node );
1893}
1894
1895//--------------------------------------------------------------------------
1896// ReferenceType
1897template< typename core_t >
1898const ast::Type * ast::Pass< core_t >::visit( const ast::ReferenceType * node ) {
1899 VISIT_START( node );
1900
1901 if ( __visit_children() ) {
1902 maybe_accept( node, &ReferenceType::base );
1903 }
1904
1905 VISIT_END( Type, node );
1906}
1907
1908//--------------------------------------------------------------------------
1909// QualifiedType
1910template< typename core_t >
1911const ast::Type * ast::Pass< core_t >::visit( const ast::QualifiedType * node ) {
1912 VISIT_START( node );
1913
1914 if ( __visit_children() ) {
1915 maybe_accept( node, &QualifiedType::parent );
1916 maybe_accept( node, &QualifiedType::child );
1917 }
1918
1919 VISIT_END( Type, node );
1920}
1921
1922//--------------------------------------------------------------------------
1923// FunctionType
1924template< typename core_t >
1925const ast::Type * ast::Pass< core_t >::visit( const ast::FunctionType * node ) {
1926 VISIT_START( node );
1927
1928 if ( __visit_children() ) {
1929 // guard_forall_subs forall_guard { *this, node };
1930 // mutate_forall( node );
1931 maybe_accept( node, &FunctionType::assertions );
1932 maybe_accept( node, &FunctionType::returns );
1933 maybe_accept( node, &FunctionType::params );
1934 }
1935
1936 VISIT_END( Type, node );
1937}
1938
1939//--------------------------------------------------------------------------
1940// StructInstType
1941template< typename core_t >
1942const ast::Type * ast::Pass< core_t >::visit( const ast::StructInstType * node ) {
1943 VISIT_START( node );
1944
1945 __pass::symtab::addStruct( core, 0, node->name );
1946
1947 if ( __visit_children() ) {
1948 guard_symtab guard { *this };
1949 maybe_accept( node, &StructInstType::params );
1950 }
1951
1952 VISIT_END( Type, node );
1953}
1954
1955//--------------------------------------------------------------------------
1956// UnionInstType
1957template< typename core_t >
1958const ast::Type * ast::Pass< core_t >::visit( const ast::UnionInstType * node ) {
1959 VISIT_START( node );
1960
1961 __pass::symtab::addUnion( core, 0, node->name );
1962
1963 if ( __visit_children() ) {
1964 guard_symtab guard { *this };
1965 maybe_accept( node, &UnionInstType::params );
1966 }
1967
1968 VISIT_END( Type, node );
1969}
1970
1971//--------------------------------------------------------------------------
1972// EnumInstType
1973template< typename core_t >
1974const ast::Type * ast::Pass< core_t >::visit( const ast::EnumInstType * node ) {
1975 VISIT_START( node );
1976
1977 if ( __visit_children() ) {
1978 maybe_accept( node, &EnumInstType::params );
1979 }
1980
1981 VISIT_END( Type, node );
1982}
1983
1984//--------------------------------------------------------------------------
1985// TraitInstType
1986template< typename core_t >
1987const ast::Type * ast::Pass< core_t >::visit( const ast::TraitInstType * node ) {
1988 VISIT_START( node );
1989
1990 if ( __visit_children() ) {
1991 maybe_accept( node, &TraitInstType::params );
1992 }
1993
1994 VISIT_END( Type, node );
1995}
1996
1997//--------------------------------------------------------------------------
1998// TypeInstType
1999template< typename core_t >
2000const ast::Type * ast::Pass< core_t >::visit( const ast::TypeInstType * node ) {
2001 VISIT_START( node );
2002
2003 if ( __visit_children() ) {
2004 {
2005 maybe_accept( node, &TypeInstType::params );
2006 }
2007 // ensure that base re-bound if doing substitution
2008 __pass::forall::replace( core, 0, node );
2009 }
2010
2011 VISIT_END( Type, node );
2012}
2013
2014//--------------------------------------------------------------------------
2015// TupleType
2016template< typename core_t >
2017const ast::Type * ast::Pass< core_t >::visit( const ast::TupleType * node ) {
2018 VISIT_START( node );
2019
2020 if ( __visit_children() ) {
2021 maybe_accept( node, &TupleType::types );
2022 maybe_accept( node, &TupleType::members );
2023 }
2024
2025 VISIT_END( Type, node );
2026}
2027
2028//--------------------------------------------------------------------------
2029// TypeofType
2030template< typename core_t >
2031const ast::Type * ast::Pass< core_t >::visit( const ast::TypeofType * node ) {
2032 VISIT_START( node );
2033
2034 if ( __visit_children() ) {
2035 maybe_accept( node, &TypeofType::expr );
2036 }
2037
2038 VISIT_END( Type, node );
2039}
2040
2041//--------------------------------------------------------------------------
2042// VTableType
2043template< typename core_t >
2044const ast::Type * ast::Pass< core_t >::visit( const ast::VTableType * node ) {
2045 VISIT_START( node );
2046
2047 if ( __visit_children() ) {
2048 maybe_accept( node, &VTableType::base );
2049 }
2050
2051 VISIT_END( Type, node );
2052}
2053
2054//--------------------------------------------------------------------------
2055// VarArgsType
2056template< typename core_t >
2057const ast::Type * ast::Pass< core_t >::visit( const ast::VarArgsType * node ) {
2058 VISIT_START( node );
2059
2060 VISIT_END( Type, node );
2061}
2062
2063//--------------------------------------------------------------------------
2064// ZeroType
2065template< typename core_t >
2066const ast::Type * ast::Pass< core_t >::visit( const ast::ZeroType * node ) {
2067 VISIT_START( node );
2068
2069 VISIT_END( Type, node );
2070}
2071
2072//--------------------------------------------------------------------------
2073// OneType
2074template< typename core_t >
2075const ast::Type * ast::Pass< core_t >::visit( const ast::OneType * node ) {
2076 VISIT_START( node );
2077
2078 VISIT_END( Type, node );
2079}
2080
2081//--------------------------------------------------------------------------
2082// GlobalScopeType
2083template< typename core_t >
2084const ast::Type * ast::Pass< core_t >::visit( const ast::GlobalScopeType * node ) {
2085 VISIT_START( node );
2086
2087 VISIT_END( Type, node );
2088}
2089
2090
2091//--------------------------------------------------------------------------
2092// Designation
2093template< typename core_t >
2094const ast::Designation * ast::Pass< core_t >::visit( const ast::Designation * node ) {
2095 VISIT_START( node );
2096
2097 if ( __visit_children() ) {
2098 maybe_accept( node, &Designation::designators );
2099 }
2100
2101 VISIT_END( Designation, node );
2102}
2103
2104//--------------------------------------------------------------------------
2105// SingleInit
2106template< typename core_t >
2107const ast::Init * ast::Pass< core_t >::visit( const ast::SingleInit * node ) {
2108 VISIT_START( node );
2109
2110 if ( __visit_children() ) {
2111 maybe_accept( node, &SingleInit::value );
2112 }
2113
2114 VISIT_END( Init, node );
2115}
2116
2117//--------------------------------------------------------------------------
2118// ListInit
2119template< typename core_t >
2120const ast::Init * ast::Pass< core_t >::visit( const ast::ListInit * node ) {
2121 VISIT_START( node );
2122
2123 if ( __visit_children() ) {
2124 maybe_accept( node, &ListInit::designations );
2125 maybe_accept( node, &ListInit::initializers );
2126 }
2127
2128 VISIT_END( Init, node );
2129}
2130
2131//--------------------------------------------------------------------------
2132// ConstructorInit
2133template< typename core_t >
2134const ast::Init * ast::Pass< core_t >::visit( const ast::ConstructorInit * node ) {
2135 VISIT_START( node );
2136
2137 if ( __visit_children() ) {
2138 maybe_accept( node, &ConstructorInit::ctor );
2139 maybe_accept( node, &ConstructorInit::dtor );
2140 maybe_accept( node, &ConstructorInit::init );
2141 }
2142
2143 VISIT_END( Init, node );
2144}
2145
2146//--------------------------------------------------------------------------
2147// Attribute
2148template< typename core_t >
2149const ast::Attribute * ast::Pass< core_t >::visit( const ast::Attribute * node ) {
2150 VISIT_START( node );
2151
2152 if ( __visit_children() ) {
2153 maybe_accept( node, &Attribute::params );
2154 }
2155
2156 VISIT_END( Attribute, node );
2157}
2158
2159//--------------------------------------------------------------------------
2160// TypeSubstitution
2161template< typename core_t >
2162const ast::TypeSubstitution * ast::Pass< core_t >::visit( const ast::TypeSubstitution * node ) {
2163 VISIT_START( node );
2164
2165 if ( __visit_children() ) {
2166 bool mutated = false;
2167 std::unordered_map< ast::TypeInstType::TypeEnvKey, ast::ptr< ast::Type > > new_map;
2168 for ( const auto & p : node->typeEnv ) {
2169 guard_symtab guard { *this };
2170 auto new_node = p.second->accept( *this );
2171 if (new_node != p.second) mutated = true;
2172 new_map.insert({ p.first, new_node });
2173 }
2174 if (mutated) {
2175 auto new_node = __pass::mutate<core_t>( node );
2176 new_node->typeEnv.swap( new_map );
2177 node = new_node;
2178 }
2179 }
2180
2181 VISIT_END( TypeSubstitution, node );
2182}
2183
2184#undef VISIT_START
2185#undef VISIT_END
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