#include <iostream>
#include <wchar.h>

COMPILER EBNF

CHARACTERS

Letter = 'A' .. 'Z' + 'a' .. 'z' .
Digit = '0' .. '9' .
StringChar = ANY - "\"" .

cr = '\r' .
lf = '\n' .
tab = '\t' .

TOKENS

Ident = Letter { Letter | Digit } .

String = "\"" { StringChar } "\"" .

IGNORE cr + lf + tab

PRODUCTIONS

EBNF = { Production } .

Production =			(. wchar_t *name;					.)
Identifier<name>		(. coco_string_delete( name );				.)
"="
Expression
"."
.

Expression = Term { "|" Term } .

Term = Factor { Factor } .

Factor =			(. wchar_t *name;					.)
Identifier<name> 		(. std::wcout << "ident: " << name << std::endl;
				   coco_string_delete( name );			 	.)
|
String	 			(. std::wcout << "literal: " << t->val << std::endl; 	.)
|
"(" Expression ")" | "[" Expression "]" | "{" Expression "}" .

Identifier<wchar_t* &name>
= Ident				(. name = coco_string_create( t->val ); .)
.

END EBNF.