3 " Maintainer: Alex Chapman <chapman.alex@gmail.com>
4 " Last Change: 2020 Sep 30
7 " Factor |syntax| file guide & conventions:
9 " Inside |:comment|s, words in |bars| contain |:help| keywords.
12 " Alignment columns should normally occur on multiples of 4.
13 " Align Vim syntax alternatives naturally. E.g.:
17 " Align |:syn-start|, |:syn-skip|, and |:syn-end| on their patterns.
18 " ":echo (col('.') - 1) % 4" is handy here.
20 " All syntax patterns (|:syn-pattern|) are "very magic" (|/\v|).
21 " Escape all literal [^[:alnum:]_-!:;] characters in these patterns.
22 " (Not escaping [-!:;] characters risks forward-incompatibility,
23 " but fixes if an incompatible Vim arises would be trivial,
24 " and Factor likes these characters.)
26 " Syntax groups ending in "Error" match errors via |:syn-priority|,
27 " and should normally |:hi-link| to "Error".
29 " Syntax groups named "{group-name}Trans" are |:syn-transparent|.
31 " |:syn-cluster|s named "{group-name}" mean to allow |:syn-contains| use of
32 " |:syn-priority|-based error-detection.
33 " This still applies to clusters named "{group-name}Trans".
35 " Syntax groups "{group-name}Skip" have the form:
36 " "syn match {group-name}Skip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup={group-name} transparent contained"
37 " Specifying "nextgroup={group-name}Skip skipempty" works like a Factor-aware
38 " "nextgroup={group-name} skipwhite skipempty"
39 " with required initial space (not optional).
40 " "{cluster-name}Skip" works similarly, but with "nextgroup=@{cluster-name}".
42 " Vim's syntax highlighting freaks at paired "/\v\(" and "/\v\)". ☹
43 " Switching into very nomagic (with "/\V(\v/" or "/\V)\v") averts that,
44 " as non-escaped parentheses don't extend pattern regions.
46 " A handy testing command:
47 " "echo join(map(synstack(line('.'),col('.')),{sn->{i,s->{t->sn(s).(s==t?'':' ('.sn(t).')')}(synIDtrans(s))}}({s->synIDattr(s,'name')})),' -> ')"
48 " Outputs in the form "hi<...> trans<...> lo<...>":
50 " "trans": transparent syntax group (if not applicable, same as "hi")
51 " "lo": highlight group
53 if exists('b:current_syntax')
57 " Factor is case sensitive.
60 syn match factorWord /\v<\S+>/ contains=@factorWord transparent display
61 syn cluster factorCluster contains=factorWord,factorComment,factorMultilineComment,@factorClusterValue,factorDeclaration,factorCall,factorCallNextMethod,@factorWordOps,factorAlien,factorSlot,factorTuple,factorStruct
62 syn cluster factorClusterValue contains=factorBreakpoint,factorBoolean,factorFrySpecifier,factorLocalsSpecifier,factorChar,factorString,@factorNumber,factorBackslash,factorMBackslash,factorLiteral,@factorEffect,@factorQuotation,@factorArray,factorRegexp
64 " A crash course on Factor's lexer:
66 " The "lexer" vocabulary parses lines (arrays of strings) into tokens.
67 " Tokens are non-space strings, effectively words.
68 " The "lexer" class holds lex state.
69 " Lexer method "skip-word" advances to the next space
70 " while also counting leading double quotation marks as their own words.
71 " I.e., this advances to the end of the current token
72 " (if currently at a token, otherwise nothing changes).
73 " Method "skip-blank" advances to the next non-space
74 " while also skipping shebangs at the beginning of the first line.
75 " I.e., this advances to the start of the next token
76 " (if one is present, otherwise it advances to the line's end).
77 " "(parse-raw)" advances a lexer through an immediate token via "skip-word",
78 " and returns the (sub)token advanced through.
79 " Note that this will not advance a lexer at space,
80 " and an empty string will be returned.
81 " "next-line" advances a lexer to the start of the next line,
82 " adding an effectively empty line to the end (as an EOF state).
83 " "parse-raw" advances a lexer through the next token,
84 " first via alternating "skip-blank" & "next-line" if the line ended,
85 " then via "(parse-raw)",
86 " and returns it if found, otherwise (i.e. upon EOF) returning "f".
87 " Note that the lexer will be advanced to EOF if "f" is returned.
88 " Comments are (unprocessed) remainders of lines, after a "!" word.
89 " "parse-token" advances a lexer though the next token via "parse-raw",
90 " then returns it if found, otherwise returning "f".
91 " while also advancing through comments
92 " via mutual recursion with "skip-comment".
93 " "[ skip-comment ] call( lexer str -- str' )" tests if a token is "!",
94 " returning that token if so,
95 " otherwise first advancing a lexer to the next line via "next-line"
96 " (i.e. discarding the rest of the current line)
97 " and then advancing it via "parse-token" & returning that token,
98 " ensuring the return of "parse-token"'s desired non-comment token.
99 " The "lexer" dynamic variable holds the ambient lexer.
100 " "?scan-token" advances the ambient lexer through the next token
102 " and returns it if found, otherwise returning "f".
103 " "scan-token" advances the ambient lexer through the next token
105 " and returns it if found, otherwise throwing an exception.
106 " All other words in the "lexer" vocabulary read via "scan-token", if at all.
107 " So! To know when double quotes & exclamation marks aren't special,
108 " grep for "parse-raw". (Mostly. To be certain, grep for "lexer".)
110 syn match factorShebang /\v%^\#!.*$/ display
112 syn cluster factorComment contains=factorComment
113 syn match factorComment /\v<!>.*$/ contains=@factorCommentContents
114 syn cluster factorCommentContents contains=factorTodo,@Spell
115 syn match factorTodo /\v(TODO|FIXME|XXX):=/ contained
117 syn region factorDefn matchgroup=NONE start=/\v<%(SYNTAX|CONSTRUCTOR|%(M|MACRO|MEMO|TYPED)?:?):>/ skip=/\v<!>.*/ matchgroup=factorDefnDelims end=/\v<;>/ contains=factorDefnDelims,@factorCluster keepend transparent
118 syn region factorDefnDelims start=/\v<%(SYNTAX|%(MACRO|MEMO|TYPED)?:?):>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
119 syn region factorDefnDelims start=/\v<M:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment skipempty keepend contained
120 syn region factorDefnDelims start=/\v<M::>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
121 syn region factorDefnDelims start=/\v<CONSTRUCTOR:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
122 syn region factorDeclDelims start=/\v<%(GENERIC|MATH|PRIMITIVE):>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend
123 syn region factorDeclDelims start=/\v<GENERIC\#:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\d+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend
124 syn region factorDeclDelims start=/\v<HOOK:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend
125 syn region factorDeclDelims start=/\v<C:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment skipempty keepend
127 syn region factorPDefn matchgroup=NONE start=/\v<%(SYNTAX|CONSTRUCTOR|%(M|MACRO|MEMO|TYPED)?:?):>/ skip=/\v<!>.*/ matchgroup=factorPDefnDelims end=/\v<;>/ contains=factorPDefnDelims,@factorCluster keepend contained
128 syn region factorPDefnDelims start=/\v<%(SYNTAX|%(MACRO|MEMO|TYPED)?:?):>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
129 syn region factorPDefnDelims start=/\v<M:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment skipempty keepend contained
130 syn region factorPDefnDelims start=/\v<M::>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
131 syn region factorPDefnDelims start=/\v<CONSTRUCTOR:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
132 syn region factorPDeclDelims start=/\v<%(GENERIC|MATH|PRIMITIVE):>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
133 syn region factorPDeclDelims start=/\v<GENERIC\#:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\d+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
134 syn region factorPDeclDelims start=/\v<HOOK:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorEffectSkip skipempty keepend contained
135 syn region factorPDeclDelims start=/\v<C:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment skipempty keepend contained
137 syn region factorPrivate start=/\v<\<PRIVATE>/ end=/\v<PRIVATE\>>/ contains=@factorCluster,factorPDefn,factorPDeclDelims skipempty keepend
139 syn keyword factorBoolean f t
140 syn keyword factorBreakpoint B
141 syn keyword factorFrySpecifier @ _ contained
142 syn keyword factorLocalsSpecifier :> contained
143 syn keyword factorDeclaration delimiter deprecated final flushable foldable inline recursive
144 syn region factorCall matchgroup=factorCallDelims start=/\v<%(call|execute)\V(\v>/ end=/\v<\V)\v>/ contains=@factorEffectContents
145 syn keyword factorCallNextMethod call-next-method
147 syn region factorChar start=/\v<CHAR:>/ end=/\v\S+>/
148 syn region factorColor start=/\v<COLOR:>/ end=/\v\S+>/
150 syn match factorEscape /\v\\([\\astnrbvf0e\"]|u\x{6}|u\{\S+}|x\x{2})/ contained display
151 syn region factorString matchgroup=factorStringDelims start=/\v<"/ skip=/\v\\"/ end=/\v"/ contains=factorEscape
152 syn region factorString matchgroup=factorStringDelims start=/\v<"""/ skip=/\v\\"/ end=/\v"""/ contains=factorEscape
153 syn region factorString matchgroup=factorStringDelims start=/\v<[^[:blank:]"]+"/ skip=/\v\\"/ end=/\v"/ contains=factorEscape
154 syn region factorString matchgroup=factorStringDelims start=/\v\[\z(\=*)\[/ end=/\]\z1\]/ contains=factorEscape
155 syn region factorString matchgroup=factorStringDelims start=/\v<[^[\][:blank:]]+\[\z(\=*)\[>/ end=/\v\]\z1\]/
157 syn region factorNamedString matchgroup=factorNamedStringDelims start=/\v<STRING:\s+\S+$>/ end=/\v^<;>$/ contains=factorEscape
159 syn region factorMultilineComment start=/\v<\/\*>/ end=/\v\*\// contains=@factorCommentContents keepend
160 syn region factorMultilineComment start=/\v<!\[\z(\=*)\[/ end=/\v\]\z1\]/ contains=@factorCommentContents keepend
162 syn region factorRegexp start=/\v<%(R\/\s)/ skip=/\v%(\\\/)/ end=/\v%(\/\S*)>/
164 syn cluster factorReal contains=@factorInteger,@factorFloat,@factorRatio,@factorBin,@factorOct,@factorHex,factorNan
165 syn cluster factorNumber contains=@factorReal,factorComplex
167 syn cluster factorInteger contains=factorInteger
168 if !exists('g:factor_syn_no_error') " more general
169 syn cluster factorInteger add=factorIntegerError
170 syn match factorIntegerError /\v<[+-]=%(\d|,){-}\d%(\d|,)*>/
172 syn match factorInteger /\v<[+-]=\d%(\d|,)*,@1<!>/
174 syn cluster factorFloat contains=factorFloat
175 if !exists('g:factor_syn_no_error') " more general
176 syn cluster factorFloat add=factorFloatError
177 syn match factorFloatError /\v<[+-]=%(\S{-}\d&%(\d|,)*%([eE][+-]=%(\d|,)*|\.%(\d|,)*%([eE][+-]=%(\d|,)*)?)|\.%(\d|,)+%([eE][+-]=%(\d|,)*)?)>/
179 syn match factorFloat /\v<[+-]=%(\d%(\d|,)*,@1<!%([eE][+-]=\d%(\d|,)*,@1<!|\.%(\d%(\d|,)*,@1<!)?%([eE][+-]=\d%(\d|,)*,@1<!)?)|\.\d%(\d|,)*,@1<!%([eE][+-]=\d%(\d|,)*,@1<!)?)>/
181 syn cluster factorRatio contains=factorRatio
182 if !exists('g:factor_syn_no_error') " more general
183 syn cluster factorRatio add=factorRatioError
184 syn match factorRatioError /\v<[+-]=%(\S{-}\d.{-}\/&%(\d|,)*\.?%(\d|,)*%([+-]%(\d|,)*)?)\/[+-]=%(\S{-}\d&%(\d|,)*\.?%(\d|,)*%([eE][+-]=%(\d|,)*)?)>/
186 syn match factorRatio /\v<([+-]=)\d%(\d|,)*,@1<!%(\1@=[+-](\d%(\d|,)*,@1<!)\/\2@!\d%(\d|,)*,@1<!|\/%(\d%(\d|,)*,@1<!%(\.%(\d%(\d|,)*,@1<!)?)?|\.\d%(\d|,)*,@1<!)%([eE][+-]=\d%(\d|,)*,@1<!)?)%(\/0)@2<!>/
188 syn region factorComplex start=/\v<C\{>/ skip=/\v<!>.*/ end=/\v<\}>/ contains=@factorComment,@factorReal
190 syn cluster factorBin contains=factorBin
191 if !exists('g:factor_syn_no_error')
192 syn cluster factorBin add=factorBinError
193 syn match factorBinError /\v<[+-]=0[bB]%(\S{-}\w&%(\w|,)*\.?%(\w|,)*%([pP][+-]=%(\w|,)*)?)>/
195 syn match factorBin /\v<[+-]=0[bB]%([01][01,]*,@1<!%(\.%([01][01,]*,@1<!)?)?|\.[01][01,]*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/
197 syn cluster factorOct contains=factorOct
198 if !exists('g:factor_syn_no_error')
199 syn cluster factorOct add=factorOctError
200 syn match factorOctError /\v<[+-]=0[oO]%(\S{-}\o&%(\w|,)*\.?(\w|,)*%([pP][+-]=%(\w|,)*)?)>/
202 syn match factorOct /\v<[+-]=0[oO]%(\o%(\o|,)*,@1<!%(\.%(\o%(\o|,)*,@1<!)?)?|\.\o%(\o|,)*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/
204 syn cluster factorHex contains=factorHex
205 syn cluster factorHexNoRadix contains=factorHexNoRadix
206 if !exists('g:factor_syn_no_error')
207 syn cluster factorHex add=factorHexError
208 syn match factorHexError /\v<[+-]=0[xX]%(\S{-}\x&%(\x|,)*\.?(\x|,)*%([pP][+-]=%(\w|,)*)?)>/
209 syn cluster factorHexNoRadix add=factorHexNoRadixError
210 syn match factorHexNoRadixError /\v<[+-]=%(\S{-}\x&%(\w|,)*\.?(\w|,)*%([pP][+-]=%(\w|,)*)?)>/ contained
212 syn match factorHex /\v<[+-]=0[xX]%(\x%(\x|,)*,@1<!%(\.%(\x%(\x|,)*,@1<!)?)?|\.\x%(\x|,)*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/
213 syn match factorHexNoRadix /\v<[+-]=%(\x%(\x|,)*,@1<!%(\.%(\x%(\x|,)*,@1<!)?)?|\.\x%(\x|,)*,@1<!)%([pP][+-]=\d%(\d|,)*,@1<!)?>/ contained
215 syn region factorNan matchgroup=factorNan start=/\v<NAN:>/ matchgroup=NONE skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment,@factorHexNoRadix keepend
217 syn region factorBackslash start=/\v<\\>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
218 syn region factorMBackslash start=/\v<M\\>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment keepend
219 syn region factorLiteral start=/\v<\$>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
221 syn match factorSlotAttrReadOnly /\v<read-only>/ contained
222 syn match factorSlotAttrInitial /\v<initial:>%(\_\s+%(!>.*)?)+/ contains=@factorComment nextgroup=factorWord,@factorClusterValue contained
223 syn cluster factorSlotAttr contains=factorSlotAttrInitial,factorSlotAttrReadOnly
225 syn cluster factorTupleSlotAttr contains=@factorSlotAttr
226 syn match factorTupleSlotAttrSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=@factorTupleSlotAttr contained transparent
227 syn match factorTupleSlotName /\v<\S+>/ nextgroup=factorTupleSlotClassSkip skipempty contained
228 syn match factorTupleSlotNameSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=factorTupleSlotName transparent contained
229 syn match factorTupleSlotClass /\v<\S+>/ nextgroup=factorTupleSlotAttrSkip skipempty contained
230 syn match factorTupleSlotClassSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=@factorTupleSlotAttr,factorTupleSlotClass transparent contained
231 syn region factorTupleSlot matchgroup=factorTupleSlotDelims start=/\v<\{>/ end=/\v<\}>/ contains=@factorComment,factorTupleSlotName,@factorTupleSlotAttr contained
232 "syn match factorTupleClass /\v<\S+>/ nextgroup=factorTupleSuperClass,factorTupleSlot contained
233 "syn region factorTupleSuperClass matchgroup=NONE start=/\v%(\s+\<\s+)/ matchgroup=Identifier end=/\v<\S+>/ contains=@factorComment contained nextgroup=factorTupleSlot
234 syn region factorTuple matchgroup=factorTupleDelims start=/\v<%(TUPLE|BUILTIN|ERROR):>/ end=/\v<;>/ contains=@factorComment,factorTupleSlot
235 syn region factorPredicate matchgroup=factorPredicateDelims start=/\v<%(PREDICATE):>/ end=/\v<;>/ contains=@factorComment,factorTupleSlot
237 syn match factorStructSlotAttrBits /\v<bits:>%(\_\s+%(!>.*)?)+/ contains=@factorComment nextgroup=factorWord,@factorReal contained
238 syn cluster factorStructSlotAttr contains=@factorSlotAttr,factorStructSlotAttrBits
239 syn match factorStructSlotName /\v<\S+>/ nextgroup=factorStructSlotTypeSkip skipempty contained
240 syn match factorStructSlotNameSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=factorStructSlotName contained transparent
241 syn match factorStructSlotType /\v<\S+>/ contained
242 syn match factorStructSlotTypeSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=factorStructSlotType contained transparent
243 syn region factorStructSlot matchgroup=factorStructSlotDelims start=/\v<\{>/ skip=/\v<!>.*/ end=/\v<\}>/ contains=@factorComment,factorStructSlotName,@factorStructSlotAttr contained
244 syn region factorStruct matchgroup=factorStructDelims start=/\v<%(%(UNION-)?STRUCT):>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment,factorStructSlot
246 syn region factorAlias start=/\v<ALIAS:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment keepend
247 syn region factorAlien start=/\v<ALIEN:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment,@factorHexNoRadix
248 syn region factorConstant start=/\v<CONSTANT:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
249 syn region factorDefer start=/\v<DEFER:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
250 syn region factorExclude start=/\v<EXCLUDE:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
251 syn region factorForget start=/\v<FORGET:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
252 syn region factorFrom start=/\v<FROM:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
253 syn region factorIn start=/\v<IN:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
254 syn region factorInstance start=/\v<INSTANCE:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment keepend
255 syn region factorIntersection start=/\v<INTERSECTION:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
256 syn region factorMain start=/\v<MAIN:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
257 syn region factorMixin start=/\v<MIXIN:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
258 syn region factorPostpone start=/\v<POSTPONE:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
259 syn region factorQualified start=/\v<QUALIFIED:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
260 syn region factorQualifiedWith start=/\v<QUALIFIED-WITH:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment keepend
261 syn region factorRename start=/\v<RENAME:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+%(\_\s+%(!>.*)?)+\=\>%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment keepend
262 syn region factorSingleton start=/\v<SINGLETON:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
263 syn region factorSingletons start=/\v<SINGLETONS:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
264 syn region factorSlot start=/\v<SLOT:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
265 syn region factorSymbol start=/\v<SYMBOL:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
266 syn region factorSymbols start=/\v<SYMBOLS:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
267 syn region factorUnion start=/\v<UNION:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
268 syn region factorUnuse start=/\v<UNUSE:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
269 syn region factorUse start=/\v<USE:>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment
270 syn region factorUsing start=/\v<USING:>/ skip=/\v<!>.*/ end=/\v<;>/ contains=@factorComment
272 syn cluster factorWordOps contains=factorConstant,factorAlias,factorSingleton,factorSingletons,factorSymbol,factorSymbols,factorPostpone,factorDefer,factorForget,factorMixin,factorInstance,factorHook,factorMain
281 if !exists('g:factor_syn_no_error')
282 syn match factorEffectRequired /\v<\V(\@!\v\S+>/ contained
284 syn cluster factorEffectContents contains=@factorComment,factorEffectDelims,factorEffectVar,factorEffectType,factorEffectRowVar
285 syn cluster factorEffect contains=factorEffect
286 " Erroring on stack effects without a "--" separator would be nice.
287 " Unfortunately, that sort of vacuous detection is above Vim's pay-grade,
288 " especially when stack effects can be nested arbitrarily via types.
289 syn match factorEffectSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=factorEffectRequired,@factorEffect transparent contained
290 syn region factorEffect matchgroup=factorEffectDelims start=/\v\V(\v>/ end=/\v<\V)\v>/ contains=@factorEffectContents
291 syn match factorEffectVar /\v<\S+>/ contained
292 " Note that ":!" parses to the "!" word and doesn't lex as a comment.
293 " Also, even though we take any value, the leading ":" breaking the word
294 " boundary means a lot of our nicer syntax patterns don't match on
295 " "factorEffectType".
296 " syn cluster factorEffectType contains=factorWord,@factorEffect
297 syn cluster factorEffectType contains=factorWord,@factorClusterValue
298 syn match factorEffectTypeSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=@factorEffectType transparent contained
299 syn match factorEffectVar /\v<\S+:>/ nextgroup=factorEffectTypeSkip skipempty contained
300 syn match factorEffectType /\v<:/ nextgroup=@factorEffectType contained
301 syn match factorEffectRowVar /\v<\.\.\S+>/ contained
302 syn match factorEffectRowVar /\v<\.\.\S+:>/ nextgroup=factorEffectTypeSkip skipempty contained
303 syn match factorEffectDelims /\v<-->/ contained
304 if !exists('g:factor_syn_no_error')
305 syn cluster factorEffectContents add=factorEffectError
306 syn keyword factorEffectError ( contained
309 " adapted from lisp.vim
310 if exists('g:factor_syn_no_rainbow')
311 syn cluster factorQuotation contains=factorQuotation
312 syn region factorQuotation matchgroup=factorDelimiter start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=ALL
314 syn cluster factorQuotation contains=factorQuotation0
315 syn region factorQuotation0 matchgroup=hlLevel0 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation1,factorArray1
316 syn region factorQuotation1 contained matchgroup=hlLevel1 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation2,factorArray2
317 syn region factorQuotation2 contained matchgroup=hlLevel2 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation3,factorArray3
318 syn region factorQuotation3 contained matchgroup=hlLevel3 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation4,factorArray4
319 syn region factorQuotation4 contained matchgroup=hlLevel4 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation5,factorArray5
320 syn region factorQuotation5 contained matchgroup=hlLevel5 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation6,factorArray6
321 syn region factorQuotation6 contained matchgroup=hlLevel6 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation7,factorArray7
322 syn region factorQuotation7 contained matchgroup=hlLevel7 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation8,factorArray8
323 syn region factorQuotation8 contained matchgroup=hlLevel8 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation9,factorArray9
324 syn region factorQuotation9 contained matchgroup=hlLevel9 start=/\v<%(%(%('|\$|)\[)|\[%(let|\|))>/ end=/\v<\]>/ contains=@factorCluster,factorQuotation0,factorArray0
327 if exists('g:factor_syn_no_rainbow')
328 syn cluster factorArray contains=factorArray
329 syn region factorArray matchgroup=factorDelimiter start=/\v<\S*\{>/ end=/\v<\}>/ contains=ALL
331 syn cluster factorArray contains=factorArray0
332 syn region factorArray0 matchgroup=hlLevel0 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray1,factorQuotation1
333 syn region factorArray1 contained matchgroup=hlLevel1 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray2,factorQuotation2
334 syn region factorArray2 contained matchgroup=hlLevel2 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray3,factorQuotation3
335 syn region factorArray3 contained matchgroup=hlLevel3 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray4,factorQuotation4
336 syn region factorArray4 contained matchgroup=hlLevel4 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray5,factorQuotation5
337 syn region factorArray5 contained matchgroup=hlLevel5 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray6,factorQuotation6
338 syn region factorArray6 contained matchgroup=hlLevel6 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray7,factorQuotation7
339 syn region factorArray7 contained matchgroup=hlLevel7 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray8,factorQuotation8
340 syn region factorArray8 contained matchgroup=hlLevel8 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray9,factorQuotation9
341 syn region factorArray9 contained matchgroup=hlLevel9 start=/\v<\S*\{>/ end=/\v<\}>/ contains=@factorCluster,factorArray0,factorQuotation0
344 if !exists('g:factor_syn_no_error')
345 syn match factorBracketError /\v<\]>/
346 syn match factorBracketError /\v<\}>/
351 if !exists('g:factor_syn_no_init')
352 command -nargs=+ -bar HiLink hi def link <args>
354 if !exists('g:factor_syn_no_error')
355 HiLink factorBracketError Error
356 HiLink factorIntegerError Error
357 HiLink factorFloatError Error
358 HiLink factorRatioError Error
359 HiLink factorBinError Error
360 HiLink factorHexNoRadixError Error
361 HiLink factorHexError Error
362 HiLink factorOctError Error
363 HiLink factorEffectRequired Error
364 HiLink factorEffectError Error
367 HiLink factorError Error
368 HiLink factorShebang PreProc
369 HiLink factorComment Comment
370 HiLink factorMultilineComment Comment
371 HiLink factorTodo Todo
372 HiLink factorEffect Type
373 HiLink factorEffectDelims Delimiter
374 HiLink factorEffectVar Identifier
375 HiLink factorEffectRowVar factorEffectVar
376 HiLink factorEffectType Type
377 HiLink factorInclude Include
378 HiLink factorWord Keyword
379 HiLink factorCallDelims Keyword
380 HiLink factorCallNextMethod Keyword
381 HiLink factorOperator Operator
382 HiLink factorFrySpecifier Operator
383 HiLink factorLocalsSpecifier Operator
384 HiLink factorBoolean Boolean
385 HiLink factorBreakpoint Debug
386 HiLink factorDefnDelims Typedef
387 HiLink factorDeclDelims Typedef
388 HiLink factorPrivate Special
389 HiLink factorPDefnDelims Special
390 HiLink factorPDeclDelims Special
391 HiLink factorEscape SpecialChar
392 HiLink factorString String
393 HiLink factorStringDelims factorString
394 HiLink factorNamedString String
395 HiLink factorNamedStringDelims Typedef
396 HiLink factorComplex Number
397 HiLink factorRatio Number
398 HiLink factorBin Number
399 HiLink factorHexNoRadix Number
400 HiLink factorHex Number
401 HiLink factorNan Number
402 HiLink factorOct Number
403 HiLink factorFloat Float
404 HiLink factorInteger Number
405 HiLink factorUsing Include
406 HiLink factorQualified Include
407 HiLink factorQualifiedWith Include
408 HiLink factorExclude Include
409 HiLink factorFrom Include
410 HiLink factorRename Include
411 HiLink factorUse Include
412 HiLink factorUnuse Include
413 HiLink factorIn Define
414 HiLink factorChar Character
415 HiLink factorColor Constant
416 HiLink factorDelimiter Delimiter
417 HiLink factorBackslash Special
418 HiLink factorMBackslash Special
419 HiLink factorLiteral Special
420 HiLink factorDeclaration Typedef
421 HiLink factorSymbol Define
422 HiLink factorSymbols Define
423 HiLink factorConstant Define
424 HiLink factorAlias Define
425 HiLink factorSingleton Typedef
426 HiLink factorSingletons Typedef
427 HiLink factorMixin Typedef
428 HiLink factorInstance Typedef
429 HiLink factorHook Typedef
430 HiLink factorMain Define
431 HiLink factorPostpone Define
432 HiLink factorDefer Define
433 HiLink factorForget Define
434 HiLink factorAlien Define
435 HiLink factorSlot Define
436 HiLink factorIntersection Typedef
437 HiLink factorRegexp Constant
438 HiLink factorSlot Typedef
439 HiLink factorSlotDelims factorSlot
440 HiLink factorSlotName Identifier
441 HiLink factorSlotClass Type
442 HiLink factorSlotType factorSlotClass
443 HiLink factorSlotAttr Special
444 HiLink factorSlotAttrInitial factorSlotAttr
445 HiLink factorSlotAttrReadOnly factorSlotAttr
446 HiLink factorStructSlotAttr factorSlotAttr
447 HiLink factorStructSlotAttrBits factorStructSlotAttr
448 HiLink factorPredicate Typedef
449 HiLink factorPredicateDelims factorTuple
450 HiLink factorTuple Typedef
451 HiLink factorTupleDelims factorTuple
452 HiLink factorTupleSlot factorSlot
453 HiLink factorTupleClass Identifier
454 HiLink factorTupleSlotDelims factorSlotDelims
455 HiLink factorTupleSlotName factorSlotName
456 HiLink factorTupleSlotClass factorSlotClass
457 HiLink factorUnion Typedef
458 HiLink factorStruct Typedef
459 HiLink factorStructDelims factorStruct
460 HiLink factorStructSlot factorSlot
461 HiLink factorStructSlotDelims factorSlotDelims
462 HiLink factorStructSlotName factorSlotName
463 HiLink factorStructSlotType factorSlotType
466 hi hlLevel0 ctermfg=red guifg=red1
467 hi hlLevel1 ctermfg=yellow guifg=orange1
468 hi hlLevel2 ctermfg=green guifg=yellow1
469 hi hlLevel3 ctermfg=cyan guifg=greenyellow
470 hi hlLevel4 ctermfg=magenta guifg=green1
471 hi hlLevel5 ctermfg=red guifg=springgreen1
472 hi hlLevel6 ctermfg=yellow guifg=cyan1
473 hi hlLevel7 ctermfg=green guifg=slateblue1
474 hi hlLevel8 ctermfg=cyan guifg=magenta1
475 hi hlLevel9 ctermfg=magenta guifg=purple1
477 hi hlLevel0 ctermfg=red guifg=red3
478 hi hlLevel1 ctermfg=darkyellow guifg=orangered3
479 hi hlLevel2 ctermfg=darkgreen guifg=orange2
480 hi hlLevel3 ctermfg=blue guifg=yellow3
481 hi hlLevel4 ctermfg=darkmagenta guifg=olivedrab4
482 hi hlLevel5 ctermfg=red guifg=green4
483 hi hlLevel6 ctermfg=darkyellow guifg=paleturquoise3
484 hi hlLevel7 ctermfg=darkgreen guifg=deepskyblue4
485 hi hlLevel8 ctermfg=blue guifg=darkslateblue
486 hi hlLevel9 ctermfg=darkmagenta guifg=darkviolet
491 let b:current_syntax = 'factor'
493 " vim: set ft=vim et sw=2 isk+=/,\\ :