Allow dashes in non-terminal names

2008-01-18 15:45:08 +13:00 · 2008-01-18 15:45:08 +13:00 · f272d54e49
parent 449962b71e
commit f272d54e49
1 changed files with 1 additions and 1 deletions
--- a/extra/peg/ebnf/ebnf.factor
+++ b/extra/peg/ebnf/ebnf.factor
@ -99,7 +99,7 @@ M: ebnf (generate-parser) ( ast -- id )
 DEFER: 'rhs'

 : 'non-terminal' ( -- parser )
-  CHAR: a CHAR: z range repeat1 [ >string <ebnf-non-terminal> ] action ;
+  CHAR: a CHAR: z range "-" token [ first ] action  2array choice repeat1 [ >string <ebnf-non-terminal> ] action ;

 : 'terminal' ( -- parser )
  "'" token hide [ CHAR: ' = not ] satisfy repeat1 "'" token hide 3array seq [ first >string <ebnf-terminal> ] action ;