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authorMattias Andrée <maandree@kth.se>2021-04-18 00:06:34 +0200
committerMattias Andrée <maandree@kth.se>2021-04-18 00:06:34 +0200
commit0697cc07dcdee8ec6c4440c565fb629502ad7f1f (patch)
tree9fdf7984b7de3e91454e4094a206db828a6b19f3 /README
parentm (diff)
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Simplify whitespace in grammar representation
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'README')
-rw-r--r--README20
1 files changed, 10 insertions, 10 deletions
diff --git a/README b/README
index b6594b4..3042070 100644
--- a/README
+++ b/README
@@ -75,14 +75,14 @@ EXTENDED DESCRIPTION
_low = character | integer;
_high = character | integer;
- concatenation = _, _operand, _, {",", _, _operand, _};
- alternation = _, concatenation, _, {"|", _, concatenation, _};
- optional = _, "[", _, _expression, _, "]", _;
- repeated = _, "{", _, _expression, _, "}", _;
- group = _, "(", _, _expression, _, ")", _;
- char-range = _, "<", _, _low, _, ",", _, _high, "_", ">", _;
- exception = _, "-", _;
- embedded-rule = _, identifier, _;
+ concatenation = _operand, {_, ",", _, _operand};
+ alternation = concatenation, {_, "|", _, concatenation};
+ optional = "[", _, _expression, _, "]";
+ repeated = "{", _, _expression, _, "}";
+ group = "(", _, _expression, _, ")";
+ char-range = "<", _, _low, _, ",", _, _high, "_", ">";
+ exception = "-";
+ embedded-rule = identifier;
_literal = char-range | exception | string;
_group = optional | repeated | group | embedded-rule;
@@ -93,10 +93,10 @@ EXTENDED DESCRIPTION
(* RULES *)
- rule = _, identifier, _, "=", _, _expression, ";";
+ rule = identifier, _, "=", _, _expression, _, ";";
(* This is the root rule of the grammar. *)
- grammar = {rules, _}, _;
+ grammar = _, {rules, _};
The file must be encoded in UTF-8, with LF as the line
break (CR and FF are illegal just becuase).