89 lines
2.6 KiB
Factor
89 lines
2.6 KiB
Factor
USING: xmode.loader.syntax xmode.tokens xmode.rules
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xmode.keyword-map xml.data xml.utilities xml assocs kernel
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combinators sequences math.parser namespaces parser
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xmode.utilities parser-combinators.regexp io.files accessors ;
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IN: xmode.loader
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! Based on org.gjt.sp.jedit.XModeHandler
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! RULES and its children
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<TAGS: parse-rule-tag ( rule-set tag -- )
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TAG: PROPS
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parse-props-tag >>props drop ;
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TAG: IMPORT
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"DELEGATE" swap at swap import-rule-set ;
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TAG: TERMINATE
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"AT_CHAR" swap at string>number >>terminate-char drop ;
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RULE: SEQ seq-rule
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shared-tag-attrs delegate-attr literal-start ;
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RULE: SEQ_REGEXP seq-rule
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shared-tag-attrs delegate-attr regexp-attr regexp-start ;
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RULE: SPAN span-rule
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shared-tag-attrs delegate-attr match-type-attr span-attrs parse-begin/end-tags init-span-tag ;
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RULE: SPAN_REGEXP span-rule
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shared-tag-attrs delegate-attr match-type-attr span-attrs regexp-attr parse-begin/end-tags init-span-tag ;
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RULE: EOL_SPAN eol-span-rule
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shared-tag-attrs delegate-attr match-type-attr literal-start init-eol-span-tag ;
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RULE: EOL_SPAN_REGEXP eol-span-rule
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shared-tag-attrs delegate-attr match-type-attr regexp-attr regexp-start init-eol-span-tag ;
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RULE: MARK_FOLLOWING mark-following-rule
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shared-tag-attrs match-type-attr literal-start ;
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RULE: MARK_PREVIOUS mark-previous-rule
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shared-tag-attrs match-type-attr literal-start ;
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TAG: KEYWORDS ( rule-set tag -- key value )
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ignore-case? get <keyword-map>
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swap child-tags [ over parse-keyword-tag ] each
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swap (>>keywords) ;
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TAGS>
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: ?<regexp> ( string/f -- regexp/f )
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dup [ ignore-case? get <regexp> ] when ;
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: (parse-rules-tag) ( tag -- rule-set )
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<rule-set>
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{
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{ "SET" string>rule-set-name (>>name) }
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{ "IGNORE_CASE" string>boolean (>>ignore-case?) }
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{ "HIGHLIGHT_DIGITS" string>boolean (>>highlight-digits?) }
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{ "DIGIT_RE" ?<regexp> (>>digit-re) }
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{ "ESCAPE" f add-escape-rule }
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{ "DEFAULT" string>token (>>default) }
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{ "NO_WORD_SEP" f (>>no-word-sep) }
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} init-from-tag ;
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: parse-rules-tag ( tag -- rule-set )
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dup (parse-rules-tag) [
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dup ignore-case?>> ignore-case? [
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swap child-tags [ parse-rule-tag ] with each
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] with-variable
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] keep ;
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: merge-rule-set-props ( props rule-set -- )
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[ assoc-union ] change-props drop ;
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! Top-level entry points
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: parse-mode-tag ( tag -- rule-sets )
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dup "RULES" tags-named [
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parse-rules-tag dup name>> swap
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] H{ } map>assoc
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swap "PROPS" tag-named [
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parse-props-tag over values
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[ merge-rule-set-props ] with each
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] when* ;
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: parse-mode ( stream -- rule-sets )
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read-xml parse-mode-tag ;
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