1 USING: accessors xmode.tokens xmode.rules xmode.keyword-map xml.data
2 xml.utilities xml assocs kernel combinators sequences
3 math.parser namespaces parser lexer xmode.utilities regexp io.files ;
4 IN: xmode.loader.syntax
8 ! Rule tag parsing utilities
9 : (parse-rule-tag) ( rule-set tag specs class -- )
10 new swap init-from-tag swap add-rule ; inline
14 parse-definition { } make
15 swap [ (parse-rule-tag) ] 2curry (TAG:) ; parsing
18 : string>boolean ( string -- ? ) "TRUE" = ;
20 : string>match-type ( string -- obj )
27 : string>rule-set-name ( string -- name ) "MAIN" or ;
30 : parse-prop-tag ( tag -- key value )
31 "NAME" over at "VALUE" rot at ;
33 : parse-props-tag ( tag -- assoc )
35 [ parse-prop-tag ] H{ } map>assoc ;
37 : position-attrs ( tag -- at-line-start? at-whitespace-end? at-word-start? )
39 { "AT_LINE_START" "AT_WHITESPACE_END" "AT_WORD_START" }
40 swap [ at string>boolean ] curry map first3 ;
42 : parse-literal-matcher ( tag -- matcher )
44 ignore-case? get <string-matcher>
45 swap position-attrs <matcher> ;
47 : parse-regexp-matcher ( tag -- matcher )
48 dup children>string ignore-case? get <regexp>
49 swap position-attrs <matcher> ;
51 : shared-tag-attrs ( -- )
52 { "TYPE" string>token (>>body-token) } , ; inline
54 : delegate-attr ( -- )
55 { "DELEGATE" f (>>delegate) } , ;
58 { "HASH_CHAR" f (>>chars) } , ;
60 : match-type-attr ( -- )
61 { "MATCH_TYPE" string>match-type (>>match-token) } , ;
64 { "NO_LINE_BREAK" string>boolean (>>no-line-break?) } ,
65 { "NO_WORD_BREAK" string>boolean (>>no-word-break?) } ,
66 { "NO_ESCAPE" string>boolean (>>no-escape?) } , ;
68 : literal-start ( -- )
69 [ parse-literal-matcher >>start drop ] , ;
72 [ parse-regexp-matcher >>start drop ] , ;
75 [ parse-literal-matcher >>end drop ] , ;
78 <TAGS: parse-begin/end-tag ( rule tag -- )
82 parse-literal-matcher >>start drop ;
86 parse-literal-matcher >>end drop ;
90 : parse-begin/end-tags ( -- )
92 ! XXX: handle position attrs on span tag itself
93 child-tags [ parse-begin/end-tag ] with each
96 : init-span-tag ( -- ) [ drop init-span ] , ;
98 : init-eol-span-tag ( -- ) [ drop init-eol-span ] , ;
100 : parse-keyword-tag ( tag keyword-map -- )
101 >r dup main>> string>token swap children>string r> set-at ;