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Diffstat (limited to 'mnv/runtime/syntax/leex.mnv')
| -rw-r--r-- | mnv/runtime/syntax/leex.mnv | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/mnv/runtime/syntax/leex.mnv b/mnv/runtime/syntax/leex.mnv new file mode 100644 index 0000000000..31098daee4 --- /dev/null +++ b/mnv/runtime/syntax/leex.mnv @@ -0,0 +1,63 @@ +" MNV syntax file +" Language: Leex (Erlang Lexical Analyzer Generator) +" Maintainer: Jon Parise <jon@indelible.org> +" Last Change: 2025 Nov 30 +" Filenames: *.xrl +" +" References: +" - https://www.erlang.org/doc/apps/parsetools/leex.html + +if exists('b:current_syntax') + finish +endif + +syn include @leexErlang syntax/erlang.mnv +unlet! b:current_syntax + +syn match leexComment "%.*$" contains=@Spell display + +syn match leexRegexOperator "[|*+?]" contained display +syn match leexRegexDelimiter "[()[\]]" contained display +syn match leexRegexSpecial "[.^$\\]" contained display +syn match leexRegexEscape '\\\%([bfnrtevsd]\|\o\{1,3}\|x\x\{2}\|x{\x\+}\|.\)' contained display +syn match leexRegexRange "\[[^\]]*\]" contains=leexRegexDelimiter,leexRegexEscape contained display + +" Macro definitions: NAME = VALUE +syn match leexMacroName "^\s*\zs\h\w*\ze\s\+=\s\+" contained nextgroup=leexMacroEquals skipwhite display +syn match leexMacroEquals "=" contained nextgroup=leexMacroValue skipwhite display +syn match leexMacroValue "\S\+" contained contains=leexRegexOperator,leexRegexDelimiter,leexRegexSpecial,leexRegexEscape,leexRegexRange,leexMacroRef display +syn match leexMacroRef "{\h\w*}" contained display + +" Rule definitions: <Regexp> : <Erlang code>. +syn match leexRuleRegex "^\s*\zs[^%].\{-}\ze\s\+:" contained contains=leexRegexOperator,leexRegexDelimiter,leexRegexSpecial,leexRegexEscape,leexRegexRange,leexMacroRef nextgroup=leexRuleColon skipwhite display +syn match leexRuleColon ":" contained nextgroup=leexRuleCode skipwhite skipnl display +syn region leexRuleCode start="" end="\.\s*\%(%.*\)\?$" skip="^\s*%.*$" contained contains=@leexErlang keepend skipnl skipwhite + +" Sections +syn match leexHeading "^\%(Definitions\|Rules\|Erlang code\)\.$" contained display +syn region leexDefinitions start="^Definitions\.$" end="^[A-Z][A-Za-z ]*\.$"me=s-1 end="\%$" keepend fold + \ contains=leexHeading,leexComment,leexMacroName +syn region leexRules start="^Rules\.$" end="^[A-Z][A-Za-z ]*\.$"me=s-1 end="\%$" keepend fold + \ contains=leexHeading,leexComment,leexRuleRegex +syn region leexErlangCode start="^Erlang code\.$" end="^[A-Z][A-Za-z ]*\.$"me=s-1 end="\%$" keepend fold + \ contains=leexHeading,@leexErlang + +hi def link leexComment Comment +hi def link leexHeading PreProc + +hi def link leexRegexOperator Operator +hi def link leexRegexDelimiter Delimiter +hi def link leexRegexSpecial Special +hi def link leexRegexRange String +hi def link leexRegexEscape SpecialChar + +hi def link leexMacroName Identifier +hi def link leexMacroEquals Operator +hi def link leexMacroValue String +hi def link leexMacroRef Macro + +hi def link leexRuleColon Operator + +syn sync fromstart + +let b:current_syntax = 'leex' |