source: src/ResolvExpr/Resolver.cc@ b1bead1

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since b1bead1 was 307a732, checked in by Andrew Beach <ajbeach@…>, 8 years ago

The exception handling code compilers and translates, but the translation crashes.
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File size: 18.7 KB
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[a32b204]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//
[71f4e4f]7// Resolver.cc --
[a32b204]8//
9// Author : Richard C. Bilson
10// Created On : Sun May 17 12:17:01 2015
[4e06c1e]11// Last Modified By : Peter A. Buhr
[6013bd7]12// Last Modified On : Thu Mar 23 17:23:14 2017
13// Update Count : 211
[a32b204]14//
15
[e4d829b]16#include <iostream>
17
[51b73452]18#include "Alternative.h"
[e4d829b]19#include "AlternativeFinder.h"
20#include "CurrentObject.h"
[51b73452]21#include "RenameVars.h"
[e4d829b]22#include "Resolver.h"
[51b73452]23#include "ResolveTypeof.h"
[906e24d]24#include "typeops.h"
[e4d829b]25
[51b73452]26#include "SynTree/Expression.h"
27#include "SynTree/Initializer.h"
[e4d829b]28#include "SynTree/Statement.h"
29#include "SynTree/Type.h"
30
[5f98ce5]31#include "SymTab/Autogen.h"
[e4d829b]32#include "SymTab/Indexer.h"
33
[d3b7937]34#include "Common/utility.h"
[e4d829b]35
[7b3f66b]36#include "InitTweak/InitTweak.h"
[51b73452]37
[d9a0e76]38using namespace std;
[51b73452]39
[d9a0e76]40namespace ResolvExpr {
[62e5546]41 class Resolver final : public SymTab::Indexer {
[a32b204]42 public:
[77971f6]43 Resolver() : SymTab::Indexer( false ) {}
[1d2b64f]44 Resolver( const SymTab:: Indexer & other ) : SymTab::Indexer( other ) {
45 if ( const Resolver * res = dynamic_cast< const Resolver * >( &other ) ) {
46 functionReturn = res->functionReturn;
[e4d829b]47 currentObject = res->currentObject;
[1d2b64f]48 inEnumDecl = res->inEnumDecl;
49 }
50 }
[71f4e4f]51
[1d2b64f]52 typedef SymTab::Indexer Parent;
53 using Parent::visit;
[62e5546]54 virtual void visit( FunctionDecl *functionDecl ) override;
55 virtual void visit( ObjectDecl *functionDecl ) override;
56 virtual void visit( TypeDecl *typeDecl ) override;
57 virtual void visit( EnumDecl * enumDecl ) override;
[94b4364]58
[62e5546]59 virtual void visit( ArrayType * at ) override;
60 virtual void visit( PointerType * at ) override;
[d9a0e76]61
[62e5546]62 virtual void visit( ExprStmt *exprStmt ) override;
63 virtual void visit( AsmExpr *asmExpr ) override;
64 virtual void visit( AsmStmt *asmStmt ) override;
65 virtual void visit( IfStmt *ifStmt ) override;
66 virtual void visit( WhileStmt *whileStmt ) override;
67 virtual void visit( ForStmt *forStmt ) override;
68 virtual void visit( SwitchStmt *switchStmt ) override;
69 virtual void visit( CaseStmt *caseStmt ) override;
70 virtual void visit( BranchStmt *branchStmt ) override;
71 virtual void visit( ReturnStmt *returnStmt ) override;
[307a732]72 virtual void visit( ThrowStmt *throwStmt ) override;
[d9a0e76]73
[62e5546]74 virtual void visit( SingleInit *singleInit ) override;
75 virtual void visit( ListInit *listInit ) override;
76 virtual void visit( ConstructorInit *ctorInit ) override;
[a32b204]77 private:
[94b4364]78 typedef std::list< Initializer * >::iterator InitIterator;
79
[40e636a]80 template< typename PtrType >
81 void handlePtrType( PtrType * type );
82
[30b65d8]83 void resolveAggrInit( ReferenceToType *, InitIterator &, InitIterator & );
84 void resolveSingleAggrInit( Declaration *, InitIterator &, InitIterator &, TypeSubstitution sub );
[f1e012b]85 void fallbackInit( ConstructorInit * ctorInit );
[b726084]86
[77971f6]87 Type * functionReturn = nullptr;
[e4d829b]88 CurrentObject currentObject = nullptr;
[a436947]89 bool inEnumDecl = false;
[a32b204]90 };
[d9a0e76]91
[a32b204]92 void resolve( std::list< Declaration * > translationUnit ) {
93 Resolver resolver;
94 acceptAll( translationUnit, resolver );
[d9a0e76]95 }
96
[a32b204]97 Expression *resolveInVoidContext( Expression *expr, const SymTab::Indexer &indexer ) {
98 TypeEnvironment env;
99 return resolveInVoidContext( expr, indexer, env );
[d9a0e76]100 }
[a32b204]101
[db4ecc5]102
[a32b204]103 namespace {
104 void finishExpr( Expression *expr, const TypeEnvironment &env ) {
105 expr->set_env( new TypeSubstitution );
106 env.makeSubstitution( *expr->get_env() );
107 }
[db4ecc5]108 } // namespace
[a32b204]109
[db4ecc5]110 Expression *findVoidExpression( Expression *untyped, const SymTab::Indexer &indexer ) {
111 global_renamer.reset();
112 TypeEnvironment env;
113 Expression *newExpr = resolveInVoidContext( untyped, indexer, env );
114 finishExpr( newExpr, env );
115 return newExpr;
116 }
[71f4e4f]117
[db4ecc5]118 namespace {
[a32b204]119 Expression *findSingleExpression( Expression *untyped, const SymTab::Indexer &indexer ) {
120 TypeEnvironment env;
121 AlternativeFinder finder( indexer, env );
122 finder.find( untyped );
[d9a0e76]123#if 0
[a32b204]124 if ( finder.get_alternatives().size() != 1 ) {
125 std::cout << "untyped expr is ";
126 untyped->print( std::cout );
127 std::cout << std::endl << "alternatives are:";
128 for ( std::list< Alternative >::const_iterator i = finder.get_alternatives().begin(); i != finder.get_alternatives().end(); ++i ) {
129 i->print( std::cout );
130 } // for
131 } // if
[d9a0e76]132#endif
[0b150ec]133 assertf( finder.get_alternatives().size() == 1, "findSingleExpression: must have exactly one alternative at the end." );
[a32b204]134 Alternative &choice = finder.get_alternatives().front();
135 Expression *newExpr = choice.expr->clone();
136 finishExpr( newExpr, choice.env );
137 return newExpr;
138 }
[d9a0e76]139
[a32b204]140 bool isIntegralType( Type *type ) {
141 if ( dynamic_cast< EnumInstType * >( type ) ) {
142 return true;
143 } else if ( BasicType *bt = dynamic_cast< BasicType * >( type ) ) {
144 return bt->isInteger();
[89e6ffc]145 } else if ( dynamic_cast< ZeroType* >( type ) != nullptr || dynamic_cast< OneType* >( type ) != nullptr ) {
146 return true;
[a32b204]147 } else {
148 return false;
149 } // if
150 }
[71f4e4f]151
[a32b204]152 Expression *findIntegralExpression( Expression *untyped, const SymTab::Indexer &indexer ) {
153 TypeEnvironment env;
154 AlternativeFinder finder( indexer, env );
155 finder.find( untyped );
[d9a0e76]156#if 0
[a32b204]157 if ( finder.get_alternatives().size() != 1 ) {
158 std::cout << "untyped expr is ";
159 untyped->print( std::cout );
160 std::cout << std::endl << "alternatives are:";
161 for ( std::list< Alternative >::const_iterator i = finder.get_alternatives().begin(); i != finder.get_alternatives().end(); ++i ) {
162 i->print( std::cout );
163 } // for
164 } // if
[d9a0e76]165#endif
[a32b204]166 Expression *newExpr = 0;
167 const TypeEnvironment *newEnv = 0;
168 for ( AltList::const_iterator i = finder.get_alternatives().begin(); i != finder.get_alternatives().end(); ++i ) {
[906e24d]169 if ( i->expr->get_result()->size() == 1 && isIntegralType( i->expr->get_result() ) ) {
[a32b204]170 if ( newExpr ) {
171 throw SemanticError( "Too many interpretations for case control expression", untyped );
172 } else {
173 newExpr = i->expr->clone();
174 newEnv = &i->env;
175 } // if
176 } // if
177 } // for
178 if ( ! newExpr ) {
179 throw SemanticError( "No interpretations for case control expression", untyped );
180 } // if
181 finishExpr( newExpr, *newEnv );
182 return newExpr;
183 }
[71f4e4f]184
[a32b204]185 }
[71f4e4f]186
[a32b204]187 void Resolver::visit( ObjectDecl *objectDecl ) {
188 Type *new_type = resolveTypeof( objectDecl->get_type(), *this );
189 objectDecl->set_type( new_type );
[3cfe27f]190 // To handle initialization of routine pointers, e.g., int (*fp)(int) = foo(), means that class-variable
191 // initContext is changed multiple time because the LHS is analysed twice. The second analysis changes
192 // initContext because of a function type can contain object declarations in the return and parameter types. So
193 // each value of initContext is retained, so the type on the first analysis is preserved and used for selecting
194 // the RHS.
[e4d829b]195 ValueGuard<CurrentObject> temp( currentObject );
196 currentObject = CurrentObject( objectDecl->get_type() );
197 if ( inEnumDecl && dynamic_cast< EnumInstType * >( objectDecl->get_type() ) ) {
[a436947]198 // enumerator initializers should not use the enum type to initialize, since
199 // the enum type is still incomplete at this point. Use signed int instead.
[e4d829b]200 currentObject = CurrentObject( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
[a436947]201 }
[1d2b64f]202 Parent::visit( objectDecl );
[e4d829b]203 if ( inEnumDecl && dynamic_cast< EnumInstType * >( objectDecl->get_type() ) ) {
[a436947]204 // delete newly created signed int type
[e4d829b]205 // delete currentObject.getType();
[a436947]206 }
[bfbf97f]207 }
208
[40e636a]209 template< typename PtrType >
210 void Resolver::handlePtrType( PtrType * type ) {
211 if ( type->get_dimension() ) {
212 CastExpr *castExpr = new CastExpr( type->get_dimension(), SymTab::SizeType->clone() );
[bfbf97f]213 Expression *newExpr = findSingleExpression( castExpr, *this );
[40e636a]214 delete type->get_dimension();
215 type->set_dimension( newExpr );
[d1d17f5]216 }
[40e636a]217 }
218
219 void Resolver::visit( ArrayType * at ) {
220 handlePtrType( at );
[1d2b64f]221 Parent::visit( at );
[a32b204]222 }
[94b4364]223
[40e636a]224 void Resolver::visit( PointerType * pt ) {
225 handlePtrType( pt );
[1d2b64f]226 Parent::visit( pt );
[40e636a]227 }
228
[a32b204]229 void Resolver::visit( TypeDecl *typeDecl ) {
230 if ( typeDecl->get_base() ) {
231 Type *new_type = resolveTypeof( typeDecl->get_base(), *this );
232 typeDecl->set_base( new_type );
233 } // if
[1d2b64f]234 Parent::visit( typeDecl );
[a32b204]235 }
[94b4364]236
[a32b204]237 void Resolver::visit( FunctionDecl *functionDecl ) {
[d9a0e76]238#if 0
[a32b204]239 std::cout << "resolver visiting functiondecl ";
240 functionDecl->print( std::cout );
241 std::cout << std::endl;
[d9a0e76]242#endif
[a32b204]243 Type *new_type = resolveTypeof( functionDecl->get_type(), *this );
244 functionDecl->set_type( new_type );
[906e24d]245 ValueGuard< Type * > oldFunctionReturn( functionReturn );
246 functionReturn = ResolvExpr::extractResultType( functionDecl->get_functionType() );
[1d2b64f]247 Parent::visit( functionDecl );
[88d1066]248
249 // default value expressions have an environment which shouldn't be there and trips up later passes.
250 // xxx - it might be necessary to somehow keep the information from this environment, but I can't currently
251 // see how it's useful.
252 for ( Declaration * d : functionDecl->get_functionType()->get_parameters() ) {
253 if ( ObjectDecl * obj = dynamic_cast< ObjectDecl * >( d ) ) {
254 if ( SingleInit * init = dynamic_cast< SingleInit * >( obj->get_init() ) ) {
255 delete init->get_value()->get_env();
256 init->get_value()->set_env( nullptr );
257 }
258 }
259 }
[a32b204]260 }
[51b73452]261
[a436947]262 void Resolver::visit( EnumDecl * enumDecl ) {
263 // in case we decide to allow nested enums
[1d2b64f]264 ValueGuard< bool > oldInEnumDecl( inEnumDecl );
[a436947]265 inEnumDecl = true;
[1d2b64f]266 Parent::visit( enumDecl );
[a436947]267 }
268
[a32b204]269 void Resolver::visit( ExprStmt *exprStmt ) {
[1d2b64f]270 assertf( exprStmt->get_expr(), "ExprStmt has null Expression in resolver" );
271 Expression *newExpr = findVoidExpression( exprStmt->get_expr(), *this );
272 delete exprStmt->get_expr();
273 exprStmt->set_expr( newExpr );
[a32b204]274 }
[51b73452]275
[7f5566b]276 void Resolver::visit( AsmExpr *asmExpr ) {
277 Expression *newExpr = findVoidExpression( asmExpr->get_operand(), *this );
278 delete asmExpr->get_operand();
279 asmExpr->set_operand( newExpr );
280 if ( asmExpr->get_inout() ) {
281 newExpr = findVoidExpression( asmExpr->get_inout(), *this );
282 delete asmExpr->get_inout();
283 asmExpr->set_inout( newExpr );
284 } // if
285 }
286
287 void Resolver::visit( AsmStmt *asmStmt ) {
288 acceptAll( asmStmt->get_input(), *this);
289 acceptAll( asmStmt->get_output(), *this);
290 }
291
[a32b204]292 void Resolver::visit( IfStmt *ifStmt ) {
293 Expression *newExpr = findSingleExpression( ifStmt->get_condition(), *this );
294 delete ifStmt->get_condition();
295 ifStmt->set_condition( newExpr );
[1d2b64f]296 Parent::visit( ifStmt );
[a32b204]297 }
[51b73452]298
[a32b204]299 void Resolver::visit( WhileStmt *whileStmt ) {
300 Expression *newExpr = findSingleExpression( whileStmt->get_condition(), *this );
301 delete whileStmt->get_condition();
302 whileStmt->set_condition( newExpr );
[1d2b64f]303 Parent::visit( whileStmt );
[a32b204]304 }
[51b73452]305
[a32b204]306 void Resolver::visit( ForStmt *forStmt ) {
[1d2b64f]307 Parent::visit( forStmt );
[145f1fc]308
[a32b204]309 if ( forStmt->get_condition() ) {
[145f1fc]310 Expression * newExpr = findSingleExpression( forStmt->get_condition(), *this );
[a32b204]311 delete forStmt->get_condition();
312 forStmt->set_condition( newExpr );
313 } // if
[71f4e4f]314
[a32b204]315 if ( forStmt->get_increment() ) {
[145f1fc]316 Expression * newExpr = findVoidExpression( forStmt->get_increment(), *this );
[a32b204]317 delete forStmt->get_increment();
318 forStmt->set_increment( newExpr );
319 } // if
320 }
[51b73452]321
[32b8144]322 void Resolver::visit( SwitchStmt *switchStmt ) {
[e4d829b]323 ValueGuard< CurrentObject > oldCurrentObject( currentObject );
[a32b204]324 Expression *newExpr;
[32b8144]325 newExpr = findIntegralExpression( switchStmt->get_condition(), *this );
[a32b204]326 delete switchStmt->get_condition();
327 switchStmt->set_condition( newExpr );
[71f4e4f]328
[e4d829b]329 currentObject = CurrentObject( newExpr->get_result() );
[32b8144]330 Parent::visit( switchStmt );
[a32b204]331 }
[51b73452]332
[a32b204]333 void Resolver::visit( CaseStmt *caseStmt ) {
[32b8144]334 if ( caseStmt->get_condition() ) {
[e4d829b]335 std::list< InitAlternative > initAlts = currentObject.getOptions();
336 assertf( initAlts.size() == 1, "SwitchStmt did not correctly resolve an integral expression." );
337 CastExpr * castExpr = new CastExpr( caseStmt->get_condition(), initAlts.front().type->clone() );
[32b8144]338 Expression * newExpr = findSingleExpression( castExpr, *this );
339 castExpr = safe_dynamic_cast< CastExpr * >( newExpr );
340 caseStmt->set_condition( castExpr->get_arg() );
341 castExpr->set_arg( nullptr );
342 delete castExpr;
343 }
[1d2b64f]344 Parent::visit( caseStmt );
[a32b204]345 }
[51b73452]346
[de62360d]347 void Resolver::visit( BranchStmt *branchStmt ) {
348 // must resolve the argument for a computed goto
349 if ( branchStmt->get_type() == BranchStmt::Goto ) { // check for computed goto statement
[2871210]350 if ( Expression * arg = branchStmt->get_computedTarget() ) {
[de62360d]351 VoidType v = Type::Qualifiers(); // cast to void * for the alternative finder
352 PointerType pt( Type::Qualifiers(), v.clone() );
353 CastExpr * castExpr = new CastExpr( arg, pt.clone() );
354 Expression * newExpr = findSingleExpression( castExpr, *this ); // find best expression
355 branchStmt->set_target( newExpr );
356 } // if
357 } // if
358 }
359
[a32b204]360 void Resolver::visit( ReturnStmt *returnStmt ) {
361 if ( returnStmt->get_expr() ) {
[906e24d]362 CastExpr *castExpr = new CastExpr( returnStmt->get_expr(), functionReturn->clone() );
[a32b204]363 Expression *newExpr = findSingleExpression( castExpr, *this );
364 delete castExpr;
365 returnStmt->set_expr( newExpr );
366 } // if
367 }
[51b73452]368
[307a732]369 void Resolver::visit( ThrowStmt *throwStmt ) {
370 if ( throwStmt->get_expr() ) {
371 Expression * wrapped = new CastExpr( throwStmt->get_expr(), new BasicType( Type::Qualifiers(), BasicType::SignedInt ) );
372 Expression * newExpr = findSingleExpression( wrapped, *this );
373 throwStmt->set_expr( newExpr );
374 }
375 }
376
[b5c5684]377 template< typename T >
378 bool isCharType( T t ) {
379 if ( BasicType * bt = dynamic_cast< BasicType * >( t ) ) {
[71f4e4f]380 return bt->get_kind() == BasicType::Char || bt->get_kind() == BasicType::SignedChar ||
[b5c5684]381 bt->get_kind() == BasicType::UnsignedChar;
382 }
383 return false;
384 }
385
[e4d829b]386 void Resolver::visit( SingleInit *singleInit ) {
[62423350]387 // resolve initialization using the possibilities as determined by the currentObject cursor
[e4d829b]388 UntypedInitExpr * untyped = new UntypedInitExpr( singleInit->get_value(), currentObject.getOptions() );
389 Expression * newExpr = findSingleExpression( untyped, *this );
390 InitExpr * initExpr = safe_dynamic_cast< InitExpr * >( newExpr );
[62423350]391
392 // move cursor to the object that is actually initialized
[e4d829b]393 currentObject.setNext( initExpr->get_designation() );
[62423350]394
395 // discard InitExpr wrapper and retain relevant pieces
396 newExpr = initExpr->get_expr();
[435e75f]397 newExpr->set_env( initExpr->get_env() );
[62423350]398 initExpr->set_expr( nullptr );
399 initExpr->set_env( nullptr );
[e4d829b]400 delete initExpr;
401
[62423350]402 // get the actual object's type (may not exactly match what comes back from the resolver due to conversions)
403 Type * initContext = currentObject.getCurrentType();
404
405 // check if actual object's type is char[]
406 if ( ArrayType * at = dynamic_cast< ArrayType * >( initContext ) ) {
407 if ( isCharType( at->get_base() ) ) {
408 // check if the resolved type is char *
409 if ( PointerType * pt = dynamic_cast< PointerType *>( newExpr->get_result() ) ) {
410 if ( isCharType( pt->get_base() ) ) {
411 // strip cast if we're initializing a char[] with a char *, e.g. char x[] = "hello";
412 CastExpr *ce = safe_dynamic_cast< CastExpr * >( newExpr );
413 newExpr = ce->get_arg();
414 ce->set_arg( nullptr );
415 delete ce;
416 }
417 }
418 }
419 }
[94b4364]420
[62423350]421 // set initializer expr to resolved express
422 singleInit->set_value( newExpr );
423
424 // move cursor to next object in preparation for next initializer
425 currentObject.increment();
426 }
[94b4364]427
428 void Resolver::visit( ListInit * listInit ) {
[62423350]429 // move cursor into brace-enclosed initializer-list
[e4d829b]430 currentObject.enterListInit();
431 // xxx - fix this so that the list isn't copied, iterator should be used to change current element
432 std::list<Designation *> newDesignations;
433 for ( auto p : group_iterate(listInit->get_designations(), listInit->get_initializers()) ) {
[62423350]434 // iterate designations and initializers in pairs, moving the cursor to the current designated object and resolving
435 // the initializer against that object.
[e4d829b]436 Designation * des = std::get<0>(p);
437 Initializer * init = std::get<1>(p);
438 newDesignations.push_back( currentObject.findNext( des ) );
439 init->accept( *this );
[b5c5684]440 }
[62423350]441 // set the set of 'resolved' designations and leave the brace-enclosed initializer-list
[e4d829b]442 listInit->get_designations() = newDesignations; // xxx - memory management
443 currentObject.exitListInit();
444
[62423350]445 // xxx - this part has not be folded into CurrentObject yet
[e4d829b]446 // } else if ( TypeInstType * tt = dynamic_cast< TypeInstType * >( initContext ) ) {
447 // Type * base = tt->get_baseType()->get_base();
448 // if ( base ) {
449 // // know the implementation type, so try using that as the initContext
450 // ObjectDecl tmpObj( "", Type::StorageClasses(), LinkageSpec::Cforall, nullptr, base->clone(), nullptr );
451 // currentObject = &tmpObj;
452 // visit( listInit );
453 // } else {
454 // // missing implementation type -- might be an unknown type variable, so try proceeding with the current init context
455 // Parent::visit( listInit );
456 // }
457 // } else {
[a32b204]458 }
[71f4e4f]459
[f1e012b]460 // ConstructorInit - fall back on C-style initializer
461 void Resolver::fallbackInit( ConstructorInit * ctorInit ) {
462 // could not find valid constructor, or found an intrinsic constructor
463 // fall back on C-style initializer
464 delete ctorInit->get_ctor();
465 ctorInit->set_ctor( NULL );
[71a145de]466 delete ctorInit->get_dtor();
467 ctorInit->set_dtor( NULL );
[f1e012b]468 maybeAccept( ctorInit->get_init(), *this );
469 }
470
[1d2b64f]471 // needs to be callable from outside the resolver, so this is a standalone function
472 void resolveCtorInit( ConstructorInit * ctorInit, const SymTab::Indexer & indexer ) {
473 assert( ctorInit );
474 Resolver resolver( indexer );
475 ctorInit->accept( resolver );
476 }
477
478 void resolveStmtExpr( StmtExpr * stmtExpr, const SymTab::Indexer & indexer ) {
479 assert( stmtExpr );
480 Resolver resolver( indexer );
481 stmtExpr->accept( resolver );
482 }
483
[71f4e4f]484 void Resolver::visit( ConstructorInit *ctorInit ) {
[1ba88a0]485 // xxx - fallback init has been removed => remove fallbackInit function and remove complexity from FixInit and remove C-init from ConstructorInit
486 maybeAccept( ctorInit->get_ctor(), *this );
487 maybeAccept( ctorInit->get_dtor(), *this );
[071a31a]488
[5b2f5bb]489 // found a constructor - can get rid of C-style initializer
490 delete ctorInit->get_init();
491 ctorInit->set_init( NULL );
[ec79847]492
493 // intrinsic single parameter constructors and destructors do nothing. Since this was
494 // implicitly generated, there's no way for it to have side effects, so get rid of it
495 // to clean up generated code.
[f9cebb5]496 if ( InitTweak::isIntrinsicSingleArgCallStmt( ctorInit->get_ctor() ) ) {
[ec79847]497 delete ctorInit->get_ctor();
498 ctorInit->set_ctor( NULL );
499 }
[f9cebb5]500
501 if ( InitTweak::isIntrinsicSingleArgCallStmt( ctorInit->get_dtor() ) ) {
[ec79847]502 delete ctorInit->get_dtor();
503 ctorInit->set_dtor( NULL );
504 }
[a465caff]505
506 // xxx - todo -- what about arrays?
507 // if ( dtor == NULL && InitTweak::isIntrinsicCallStmt( ctorInit->get_ctor() ) ) {
508 // // can reduce the constructor down to a SingleInit using the
509 // // second argument from the ctor call, since
510 // delete ctorInit->get_ctor();
511 // ctorInit->set_ctor( NULL );
512
513 // Expression * arg =
514 // ctorInit->set_init( new SingleInit( arg ) );
515 // }
[71f4e4f]516 }
[51b73452]517} // namespace ResolvExpr
[a32b204]518
519// Local Variables: //
520// tab-width: 4 //
521// mode: c++ //
522// compile-command: "make install" //
523// End: //
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