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factor
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better parsing of constants

db4
Doug Coleman 2008-11-22 16:50:40 -06:00
parent 78ee86ee39
commit e110bac51a
1 changed files with 1 additions and 20 deletions
basis/regexp/parser

21
basis/regexp/parser/parser.factor
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@ -288,28 +288,9 @@ ERROR: bad-escaped-literals seq ;
first|concatenation
] if-empty ;
ERROR: unrecognized-escape char ;
: parse-escaped ( -- obj )
read1
{
{ CHAR: \ [ CHAR: \ <constant> ] }
{ CHAR: / [ CHAR: / <constant> ] }
{ CHAR: ^ [ CHAR: ^ <constant> ] }
{ CHAR: $ [ CHAR: $ <constant> ] }
{ CHAR: - [ CHAR: - <constant> ] }
{ CHAR: { [ CHAR: { <constant> ] }
{ CHAR: } [ CHAR: } <constant> ] }
{ CHAR: [ [ CHAR: [ <constant> ] }
{ CHAR: ] [ CHAR: ] <constant> ] }
{ CHAR: ( [ CHAR: ( <constant> ] }
{ CHAR: ) [ CHAR: ) <constant> ] }
{ CHAR: @ [ CHAR: @ <constant> ] }
{ CHAR: * [ CHAR: * <constant> ] }
{ CHAR: + [ CHAR: + <constant> ] }
{ CHAR: ? [ CHAR: ? <constant> ] }
{ CHAR: . [ CHAR: . <constant> ] }
{ CHAR: : [ CHAR: : <constant> ] }
{ CHAR: t [ CHAR: \t <constant> ] }
{ CHAR: n [ CHAR: \n <constant> ] }
{ CHAR: r [ CHAR: \r <constant> ] }
@ -349,7 +330,7 @@ ERROR: unrecognized-escape char ;
! { CHAR: 9 [ CHAR: 9 <constant> ] }
{ CHAR: Q [ parse-escaped-literals ] }
[ unrecognized-escape ]
[ <constant> ]
} case ;
: handle-escape ( -- ) parse-escaped push-stack ;