Changeset 7528ba1 for src/SymTab

Timestamp:

Feb 23, 2016, 11:02:53 AM (9 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, ctor, deferred_resn, demangler, enum, forall-pointer-decay, gc_noraii, jacob/cs343-translation, jenkins-sandbox, master, memory, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, pthread-emulation, qualifiedEnum, resolv-new, with_gc

Children:

a172972

Parents:

d63eeb0

Message:

autogen struct ctor/dtor first attempt

File:

• src/SymTab/Validate.cc (modified) (3 diffs)

src/SymTab/Validate.cc

@@ -10 +10 @@
 // Created On       : Sun May 17 21:50:04 2015
 // Last Modified By : Rob Schluntz
-// Last Modified On : Tue Feb 09 13:21:56 2016
-// Update Count     : 270
+// Last Modified On : Mon Feb 22 12:26:37 2016
+// Update Count     : 297
 //
 
@@ -729 +729 @@
         }
 
+
+        void makeStructCtorDtor( StructDecl *aggregateDecl, StructInstType *refType, unsigned int functionNesting, std::list< Declaration * > & declsToAdd ) {
+                FunctionType *ctorType = new FunctionType( Type::Qualifiers(), false );
+
+                // Make function polymorphic in same parameters as generic struct, if applicable
+                bool isGeneric = false;  // NOTE this flag is an incredibly ugly kludge; we should fix the assignment signature instead (ditto for union)
+                std::list< TypeDecl* >& genericParams = aggregateDecl->get_parameters();
+                std::list< Expression* > structParams;  // List of matching parameters to put on types
+                for ( std::list< TypeDecl* >::const_iterator param = genericParams.begin(); param != genericParams.end(); ++param ) {
+                        isGeneric = true;
+                        TypeDecl *typeParam = (*param)->clone();
+                        ctorType->get_forall().push_back( typeParam );
+                        structParams.push_back( new TypeExpr( new TypeInstType( Type::Qualifiers(), typeParam->get_name(), typeParam ) ) );
+                }
+
+                ObjectDecl *thisParam = new ObjectDecl( "_this", DeclarationNode::NoStorageClass, LinkageSpec::Cforall, 0, new PointerType( Type::Qualifiers(), cloneWithParams( refType, structParams ) ), 0 );
+                ctorType->get_parameters().push_back( thisParam );
+
+                // Routines at global scope marked "static" to prevent multiple definitions is separate translation units
+                // because each unit generates copies of the default routines for each aggregate.
+                FunctionDecl *ctorDecl = new FunctionDecl( "?{}", functionNesting > 0 ? DeclarationNode::NoStorageClass : DeclarationNode::Static, LinkageSpec::AutoGen, ctorType, 0, true, false );
+                FunctionDecl *dtorDecl = new FunctionDecl( "^?{}", functionNesting > 0 ? DeclarationNode::NoStorageClass : DeclarationNode::Static, LinkageSpec::AutoGen, ctorType, 0, true, false );
+                ctorDecl->fixUniqueId();
+                dtorDecl->fixUniqueId();
+
+                // add definitions
+                // TODO: add in calls to default constructors and destructors for fields
+                ctorDecl->set_statements( new CompoundStmt( noLabels ) );
+                dtorDecl->set_statements( new CompoundStmt( noLabels ) );
+                declsToAdd.push_back( ctorDecl );
+                declsToAdd.push_back( dtorDecl );
+
+
+                // for ( std::list< Declaration * >::const_iterator member = aggregateDecl->get_members().begin(); member != aggregateDecl->get_members().end(); ++member ) {
+                //      if ( DeclarationWithType *dwt = dynamic_cast< DeclarationWithType * >( *member ) ) {
+                //              // query the type qualifiers of this field and skip assigning it if it is marked const.
+                //              // If it is an array type, we need to strip off the array layers to find its qualifiers.
+                //              Type * type = dwt->get_type();
+                //              while ( ArrayType * at = dynamic_cast< ArrayType * >( type ) ) {
+                //                      type = at->get_base();
+                //              }
+
+                //              if ( type->get_qualifiers().isConst ) {
+                //                      // don't assign const members
+                //                      continue;
+                //              }
+
+                //              if ( ArrayType *array = dynamic_cast< ArrayType * >( dwt->get_type() ) ) {
+                //                      makeArrayAssignment( srcParam, dstParam, dwt, array, back_inserter( assignDecl->get_statements()->get_kids() ) );
+                //                      if ( isGeneric ) makeArrayAssignment( srcParam, returnVal, dwt, array, back_inserter( assignDecl->get_statements()->get_kids() ) );
+                //              } else {
+                //                      makeScalarAssignment( srcParam, dstParam, dwt, back_inserter( assignDecl->get_statements()->get_kids() ) );
+                //                      if ( isGeneric ) makeScalarAssignment( srcParam, returnVal, dwt, back_inserter( assignDecl->get_statements()->get_kids() ) );
+                //              } // if
+                //      } // if
+                // } // for
+                // if ( ! isGeneric ) assignDecl->get_statements()->get_kids().push_back( new ReturnStmt( noLabels, new VariableExpr( srcParam ) ) );
+
+                // return assignDecl;
+        }
+
         Declaration *makeUnionAssignment( UnionDecl *aggregateDecl, UnionInstType *refType, unsigned int functionNesting ) {
                 FunctionType *assignType = new FunctionType( Type::Qualifiers(), false );
@@ -778 +839 @@
                         StructInstType structInst( Type::Qualifiers(), structDecl->get_name() );
                         structInst.set_baseStruct( structDecl );
+
                         declsToAdd.push_back( makeStructAssignment( structDecl, &structInst, functionNesting ) );
+                        makeStructCtorDtor( structDecl, &structInst, functionNesting, declsToAdd );
                         structsDone.insert( structDecl->get_name() );
                 } // if