+struct CYExternalExpression :
+ CYTarget
+{
+ CYString *abi_;
+ CYTypedIdentifier *typed_;
+
+ CYExternalExpression(CYString *abi, CYTypedIdentifier *typed) :
+ abi_(abi),
+ typed_(typed)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYTarget *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYExternalDefinition :