Changeset aadc9a4 for src/GenPoly/GenPoly.cc

Timestamp:

Jan 12, 2016, 6:12:10 PM (8 years ago)

Author:

Aaron Moss <a3moss@…>

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, string, with_gc

Children:

4d7e8f5

Parents:

ebe9b3a

Message:

Refactor isPolyRet to include generic return types

File:

• src/GenPoly/GenPoly.cc (modified) (2 diffs)

src/GenPoly/GenPoly.cc

@@ -36 +36 @@
         }
 
-        bool isPolyRet( FunctionType *function, std::string &name, const TyVarMap &otherTyVars ) {
-                bool doTransform = false;
+        ReferenceToType *isPolyRet( FunctionType *function ) {
                 if ( ! function->get_returnVals().empty() ) {
-                        if ( TypeInstType *typeInst = dynamic_cast< TypeInstType *>( function->get_returnVals().front()->get_type() ) ) {
-        
-                                // figure out if the return type is specified by a type parameter
-                                for ( std::list< TypeDecl *>::const_iterator tyVar = function->get_forall().begin(); tyVar != function->get_forall().end(); ++tyVar ) {
-                                        if ( (*tyVar)->get_name() == typeInst->get_name() ) {
-                                                doTransform = true;
-                                                name = typeInst->get_name();
-                                                break;
-                                        } // if
-                                } // for
-                                if ( ! doTransform && otherTyVars.find( typeInst->get_name() ) != otherTyVars.end() ) {
-                                        doTransform = true;
-                                } // if
-                        } // if
+                        TyVarMap forallTypes;
+                        makeTyVarMap( function, forallTypes );
+                        return (ReferenceToType*)isPolyType( function->get_returnVals().front()->get_type(), forallTypes );
                 } // if
-                return doTransform;
-        }
-
-        bool isPolyRet( FunctionType *function, std::string &name ) {
-                TyVarMap dummyTyVars;
-                return isPolyRet( function, name, dummyTyVars );
-        }
-
-        bool isPolyRet( FunctionType *function, const TyVarMap &otherTyVars ) {
-                std::string dummyString;
-                return isPolyRet( function, dummyString, otherTyVars );
+                return 0;
         }
 
@@ -158 +136 @@
         }
 
+        void makeTyVarMap( Type *type, TyVarMap &tyVarMap ) {
+                for ( std::list< TypeDecl* >::const_iterator tyVar = type->get_forall().begin(); tyVar != type->get_forall().end(); ++tyVar ) {
+                        assert( *tyVar );
+                        tyVarMap[ (*tyVar)->get_name() ] = (*tyVar)->get_kind();
+                }
+                if ( PointerType *pointer = dynamic_cast< PointerType* >( type ) ) {
+                        makeTyVarMap( pointer->get_base(), tyVarMap );
+                }
+        }
+        
         void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap ) {
                 for ( TyVarMap::const_iterator i = tyVarMap.begin(); i != tyVarMap.end(); ++i ) {