Changeset 0f79853 for src/SynTree

Timestamp:

Jun 7, 2018, 9:55:28 AM (7 years ago)

Author:

Rob Schluntz <rschlunt@…>

Branches:

ADT, aaron-thesis, arm-eh, ast-experimental, cleanup-dtors, 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, with_gc

Children:

61d9b4b

Parents:

2a6c115

Message:

Remove conversion cost for default arguments

Location:

src/SynTree

Files:

• Expression.cc (modified) (1 diff)
• Expression.h (modified) (1 diff)
• Mutator.h (modified) (1 diff)
• SynTree.h (modified) (1 diff)
• Visitor.h (modified) (1 diff)

src/SynTree/Expression.cc

@@ -746 +746 @@
         os << std::endl << indent+1 << "... deleted by: ";
         deleteStmt->print( os, indent+1 );
+}
+
+
+DefaultArgExpr::DefaultArgExpr( Expression * expr ) : expr( expr ) {
+        assert( expr->result );
+        result = expr->result->clone();
+}
+DefaultArgExpr::DefaultArgExpr( const DefaultArgExpr & other ) : Expression( other ), expr( maybeClone( other.expr ) ) {}
+DefaultArgExpr::~DefaultArgExpr() {
+        delete expr;
+}
+
+void DefaultArgExpr::print( std::ostream & os, Indenter indent ) const {
+        os << "Default Argument Expression" << std::endl << indent+1;
+        expr->print( os, indent+1 );
 }
 

src/SynTree/Expression.h

@@ -865 +865 @@
 };
 
+/// expression wrapping the use of a default argument - should never make it past the resolver.
+class DefaultArgExpr : public Expression {
+public:
+        Expression * expr;
+
+        DefaultArgExpr( Expression * expr );
+        DefaultArgExpr( const DefaultArgExpr & other );
+        ~DefaultArgExpr();
+
+        virtual DefaultArgExpr * clone() const { return new DefaultArgExpr( * this ); }
+        virtual void accept( Visitor & v ) { v.visit( this ); }
+        virtual Expression * acceptMutator( Mutator & m ) { return m.mutate( this ); }
+        virtual void print( std::ostream & os, Indenter indent = {} ) const;
+};
+
 /// C11 _Generic expression
 class GenericExpr : public Expression {

src/SynTree/Mutator.h

@@ -93 +93 @@
         virtual Expression * mutate( InitExpr  * initExpr ) = 0;
         virtual Expression * mutate( DeletedExpr * delExpr ) = 0;
+        virtual Expression * mutate( DefaultArgExpr * argExpr ) = 0;
         virtual Expression * mutate( GenericExpr * genExpr ) = 0;
 

src/SynTree/SynTree.h

@@ -101 +101 @@
 class InitExpr;
 class DeletedExpr;
+class DefaultArgExpr;
 class GenericExpr;
 

src/SynTree/Visitor.h

@@ -95 +95 @@
         virtual void visit( InitExpr *  initExpr ) = 0;
         virtual void visit( DeletedExpr * delExpr ) = 0;
+        virtual void visit( DefaultArgExpr * argExpr ) = 0;
         virtual void visit( GenericExpr * genExpr ) = 0;