factor/basis/xmode/loader/loader.factor

87 lines
2.8 KiB
Factor

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