Move file. Small fix.

concrete_syntax/textual_cd/parser.py

@@ -0,0 +1,28 @@
+grammar = r"""
+%import common.WS_INLINE
+%ignore WS_INLINE
+%ignore COMMENT
+
+%declare _INDENT _DEDENT
+
+?start: (_NL | object )*
+
+IDENTIFIER: /[A-Za-z_][A-Za-z_0-9]*/
+COMMENT: /#.*/
+
+# newline
+_NL: /(\r?\n[\t ]*)+/
+
+literal: INT
+       | STR
+       | BOOL
+
+INT: /[0-9]+/
+STR: /"[^"]*"/
+   | /'[^']*'/
+BOOL: "True" | "False"
+
+object: [IDENTIFIER] ":" IDENTIFIER [link] _NL [_INDENT slot+ _DEDENT]
+link: "(" IDENTIFIER "->" IDENTIFIER ")"
+slot: IDENTIFIER "=" literal _NL
+"""