dil-expr-lang.ebnf

(* Data Inspection Language (DIL) definition - LLDB Debug Expressions *)

(* This is currently a subset of the final DIL Language, matching the current
 DIL implementation. *)

expression=primary_expression ;

primary_expression=id_expression
|"("expression")";

id_expression=unqualified_id
|qualified_id
|register ;

unqualified_id=identifier ;

qualified_id= ["::"] [nested_name_specifier] unqualified_id
| ["::"] identifier ;

identifier=? C99 Identifier ? ;

register="$"? Register name ? ;

nested_name_specifier=type_name"::"
|namespace_name'::'
|nested_name_specifieridentifier"::" ;

type_name=class_name
|enum_name
|typedef_name;

class_name=identifier ;

enum_name=identifier ;

typedef_name=identifier ;

namespace_name=identifier ;