Added a scope argument to the SymIsDef and SymIsDef functions, so it is

possible to request information for a specific scope.
Add an optional scope argument to the .DEFINED builtin function.
Change the long branch macros to look for symbols in local scope.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1574 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/error.h

@@ -102,6 +102,7 @@ enum Errors {
     ERR_ILLEGAL_SEG_ATTR,
     ERR_ILLEGAL_MACPACK,
     ERR_ILLEGAL_FEATURE,
+    ERR_ILLEGAL_SCOPE,
     ERR_SYNTAX,
     ERR_SYM_ALREADY_DEFINED,
     ERR_SYM_UNDEFINED,