Moved `lark.lark` into the standard library.

examples/lark_grammar.py

@@ -7,13 +7,13 @@ A reference implementation of the Lark grammar (using LALR(1))
 import lark
 from pathlib import Path
 
-parser = lark.Lark.open('lark.lark', rel_to=__file__, parser="lalr")
-
 examples_path = Path(__file__).parent
 lark_path = Path(lark.__file__).parent
 
+parser = lark.Lark.open(lark_path / 'grammars/lark.lark', rel_to=__file__, parser="lalr")
+
+
 grammar_files = [
-    examples_path / 'lark.lark',
     examples_path / 'advanced/python2.lark',
     examples_path / 'advanced/python3.lark',
     examples_path / 'relative-imports/multiples.lark',
@@ -21,7 +21,11 @@ grammar_files = [
     examples_path / 'relative-imports/multiple3.lark',
     examples_path / 'tests/no_newline_at_end.lark',
     examples_path / 'tests/negative_priority.lark',
+    examples_path / 'standalone/json.lark',
     lark_path / 'grammars/common.lark',
+    lark_path / 'grammars/lark.lark',
+    lark_path / 'grammars/unicode.lark',
+    lark_path / 'grammars/python.lark',
 ]
 
 def test():

examples/lark.lark → lark/grammars/lark.lark

@@ -45,7 +45,7 @@ OP: /[+*]|[?](?![a-z])/
 RULE: /!?[_?]?[a-z][_a-z0-9]*/
 TOKEN: /_?[A-Z][_A-Z0-9]*/
 STRING: _STRING "i"?
-REGEXP: /\/(?!\/)(\\\/|\\\\|[^\/\n])*?\/[imslux]*/
+REGEXP: /\/(?!\/)(\\\/|\\\\|[^\/])*?\/[imslux]*/
 _NL: /(\r?\n)+\s*/
 
 %import common.ESCAPED_STRING -> _STRING