Changeset 9f70ab57 for src/SymTab

Timestamp:

Sep 7, 2016, 11:30:02 AM (8 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

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

Children:

02cea2d, 940bba3

Parents:

5fda7143

Message:

add forward declarations for autogenerated functions so that a struct becomes an otype as soon as its body is closed

File:

• src/SymTab/Autogen.cc (modified) (2 diffs)

src/SymTab/Autogen.cc

@@ -280 +280 @@
         }
 
+        void addForwardDecl( FunctionDecl * functionDecl, std::list< Declaration * > & declsToAdd ) {
+                FunctionDecl * decl = functionDecl->clone();
+                delete decl->get_statements();
+                decl->set_statements( NULL );
+                declsToAdd.push_back( decl );
+                decl->fixUniqueId();
+        }
+
         void makeStructFunctions( StructDecl *aggregateDecl, StructInstType *refType, unsigned int functionNesting, std::list< Declaration * > & declsToAdd ) {
                 FunctionType *assignType = new FunctionType( Type::Qualifiers(), false );
@@ -324 +332 @@
                 copyCtorDecl->fixUniqueId();
                 dtorDecl->fixUniqueId();
+
+                if ( functionNesting == 0 ) {
+                        // forward declare if top-level struct, so that
+                        // type is complete as soon as its body ends
+                        addForwardDecl( assignDecl, declsToAdd );
+                        addForwardDecl( ctorDecl, declsToAdd );
+                        addForwardDecl( copyCtorDecl, declsToAdd );
+                        addForwardDecl( dtorDecl, declsToAdd );
+                }
 
                 // create constructors which take each member type as a parameter.