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,factorChar,factorString,@factorNumber,factorBackslash,factorMBackslash,factorLiteral,@factorStackEffect,@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=factorStackEffectSkip 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=factorStackEffectSkip skipempty keepend contained
121 syn region factorDefnDelims start=/\v<CONSTRUCTOR:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorStackEffectSkip skipempty keepend contained
122 syn region factorDeclDelims start=/\v<%(GENERIC|MATH|PRIMITIVE):>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment nextgroup=factorStackEffectSkip skipempty keepend
123 syn region factorDeclDelims start=/\v<GENERIC\#:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\d+>/ contains=@factorComment nextgroup=factorStackEffectSkip skipempty keepend
124 syn region factorDeclDelims start=/\v<HOOK:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorStackEffectSkip 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=factorStackEffectSkip 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=factorStackEffectSkip skipempty keepend contained
131 syn region factorPDefnDelims start=/\v<CONSTRUCTOR:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorStackEffectSkip skipempty keepend contained
132 syn region factorPDeclDelims start=/\v<%(GENERIC|MATH|PRIMITIVE):>/ skip=/\v<!>.*/ end=/\v<\S+>/ contains=@factorComment nextgroup=factorStackEffectSkip skipempty keepend contained
133 syn region factorPDeclDelims start=/\v<GENERIC\#:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\d+>/ contains=@factorComment nextgroup=factorStackEffectSkip skipempty keepend contained
134 syn region factorPDeclDelims start=/\v<HOOK:>/ skip=/\v<!>.*/ end=/\v<\S+%(\_\s+%(!>.*)?)+\S+>/ contains=@factorComment nextgroup=factorStackEffectSkip 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 factorDeclaration delimiter deprecated final flushable foldable inline recursive
143 syn region factorCall matchgroup=factorCallDelims start=/\v<%(call|execute)\V(\v>/ end=/\v<\V)\v>/ contains=@factorStackEffectContents
144 syn keyword factorCallNextMethod call-next-method
146 syn region factorChar start=/\v<CHAR:>/ end=/\v\S+>/
147 syn region factorColor start=/\v<COLOR:>/ end=/\v\S+>/
149 syn match factorEscape /\v\\([\\astnrbvf0e\"]|u\x{6}|u\{\S+}|x\x{2})/ contained display
150 syn region factorString matchgroup=factorStringDelims start=/\v<"/ skip=/\v\\"/ end=/\v"/ contains=factorEscape
151 syn region factorString matchgroup=factorStringDelims start=/\v<"""/ skip=/\v\\"/ end=/\v"""/ contains=factorEscape
152 syn region factorString matchgroup=factorStringDelims start=/\v<[^[:blank:]"]+"/ skip=/\v\\"/ end=/\v"/ contains=factorEscape
153 syn region factorString matchgroup=factorStringDelims start=/\v\[\z(\=*)\[/ end=/\]\z1\]/ contains=factorEscape
154 syn region factorString matchgroup=factorStringDelims start=/\v<HEREDOC:\s+\z(.*)$>/ end=/\v^\z1$>/
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 factorStackEffectRequired /\v<\V(\@!\v\S+>/ contained
284 syn cluster factorStackEffectContents contains=@factorComment,factorStackEffectDelims,factorStackEffectVar,factorStackEffectType,factorStackEffectRowVar
285 syn cluster factorStackEffect contains=factorStackEffect
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 factorStackEffectSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=factorStackEffectRequired,@factorStackEffect transparent contained
290 syn region factorStackEffect matchgroup=factorStackEffectDelims start=/\v\V(\v>/ end=/\v<\V)\v>/ contains=@factorStackEffectContents
291 syn match factorStackEffectVar /\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 " "factorStackEffectType".
296 " syn cluster factorStackEffectType contains=factorWord,@factorStackEffect
297 syn cluster factorStackEffectType contains=factorWord,@factorClusterValue
298 syn match factorStackEffectTypeSkip /\v%(\_\s+%(!>.*)?)*/ contains=@factorComment nextgroup=@factorStackEffectType transparent contained
299 syn match factorStackEffectVar /\v<\S+:>/ nextgroup=factorStackEffectTypeSkip skipempty contained
300 syn match factorStackEffectType /\v<:/ nextgroup=@factorStackEffectType contained
301 syn match factorStackEffectRowVar /\v<\.\.\S+>/ contained
302 syn match factorStackEffectRowVar /\v<\.\.\S+:>/ nextgroup=factorStackEffectTypeSkip skipempty contained
303 syn match factorStackEffectDelims /\v<-->/ contained
304 if !exists('g:factor_syn_no_error')
305 syn cluster factorStackEffectContents add=factorStackEffectError
306 syn keyword factorStackEffectError ( 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 factorStackEffectRequired Error
364 HiLink factorStackEffectError Error
367 HiLink factorError Error
368 HiLink factorShebang PreProc
369 HiLink factorComment Comment
370 HiLink factorMultilineComment Comment
371 HiLink factorTodo Todo
372 HiLink factorStackEffect Type
373 HiLink factorStackEffectDelims Delimiter
374 HiLink factorStackEffectVar Identifier
375 HiLink factorStackEffectRowVar factorStackEffectVar
376 HiLink factorStackEffectType 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 factorBoolean Boolean
384 HiLink factorBreakpoint Debug
385 HiLink factorDefnDelims Typedef
386 HiLink factorDeclDelims Typedef
387 HiLink factorPrivate Special
388 HiLink factorPDefnDelims Special
389 HiLink factorPDeclDelims Special
390 HiLink factorEscape SpecialChar
391 HiLink factorString String
392 HiLink factorStringDelims factorString
393 HiLink factorNamedString String
394 HiLink factorNamedStringDelims Typedef
395 HiLink factorComplex Number
396 HiLink factorRatio Number
397 HiLink factorBin Number
398 HiLink factorHexNoRadix Number
399 HiLink factorHex Number
400 HiLink factorNan Number
401 HiLink factorOct Number
402 HiLink factorFloat Float
403 HiLink factorInteger Number
404 HiLink factorUsing Include
405 HiLink factorQualified Include
406 HiLink factorQualifiedWith Include
407 HiLink factorExclude Include
408 HiLink factorFrom Include
409 HiLink factorRename Include
410 HiLink factorUse Include
411 HiLink factorUnuse Include
412 HiLink factorIn Define
413 HiLink factorChar Character
414 HiLink factorColor Constant
415 HiLink factorDelimiter Delimiter
416 HiLink factorBackslash Special
417 HiLink factorMBackslash Special
418 HiLink factorLiteral Special
419 HiLink factorDeclaration Typedef
420 HiLink factorSymbol Define
421 HiLink factorSymbols Define
422 HiLink factorConstant Define
423 HiLink factorAlias Define
424 HiLink factorSingleton Typedef
425 HiLink factorSingletons Typedef
426 HiLink factorMixin Typedef
427 HiLink factorInstance Typedef
428 HiLink factorHook Typedef
429 HiLink factorMain Define
430 HiLink factorPostpone Define
431 HiLink factorDefer Define
432 HiLink factorForget Define
433 HiLink factorAlien Define
434 HiLink factorSlot Define
435 HiLink factorIntersection Typedef
436 HiLink factorRegexp Constant
437 HiLink factorSlot Typedef
438 HiLink factorSlotDelims factorSlot
439 HiLink factorSlotName Identifier
440 HiLink factorSlotClass Type
441 HiLink factorSlotType factorSlotClass
442 HiLink factorSlotAttr Special
443 HiLink factorSlotAttrInitial factorSlotAttr
444 HiLink factorSlotAttrReadOnly factorSlotAttr
445 HiLink factorStructSlotAttr factorSlotAttr
446 HiLink factorStructSlotAttrBits factorStructSlotAttr
447 HiLink factorPredicate Typedef
448 HiLink factorPredicateDelims factorTuple
449 HiLink factorTuple Typedef
450 HiLink factorTupleDelims factorTuple
451 HiLink factorTupleSlot factorSlot
452 HiLink factorTupleClass Identifier
453 HiLink factorTupleSlotDelims factorSlotDelims
454 HiLink factorTupleSlotName factorSlotName
455 HiLink factorTupleSlotClass factorSlotClass
456 HiLink factorUnion Typedef
457 HiLink factorStruct Typedef
458 HiLink factorStructDelims factorStruct
459 HiLink factorStructSlot factorSlot
460 HiLink factorStructSlotDelims factorSlotDelims
461 HiLink factorStructSlotName factorSlotName
462 HiLink factorStructSlotType factorSlotType
465 hi hlLevel0 ctermfg=red guifg=red1
466 hi hlLevel1 ctermfg=yellow guifg=orange1
467 hi hlLevel2 ctermfg=green guifg=yellow1
468 hi hlLevel3 ctermfg=cyan guifg=greenyellow
469 hi hlLevel4 ctermfg=magenta guifg=green1
470 hi hlLevel5 ctermfg=red guifg=springgreen1
471 hi hlLevel6 ctermfg=yellow guifg=cyan1
472 hi hlLevel7 ctermfg=green guifg=slateblue1
473 hi hlLevel8 ctermfg=cyan guifg=magenta1
474 hi hlLevel9 ctermfg=magenta guifg=purple1
476 hi hlLevel0 ctermfg=red guifg=red3
477 hi hlLevel1 ctermfg=darkyellow guifg=orangered3
478 hi hlLevel2 ctermfg=darkgreen guifg=orange2
479 hi hlLevel3 ctermfg=blue guifg=yellow3
480 hi hlLevel4 ctermfg=darkmagenta guifg=olivedrab4
481 hi hlLevel5 ctermfg=red guifg=green4
482 hi hlLevel6 ctermfg=darkyellow guifg=paleturquoise3
483 hi hlLevel7 ctermfg=darkgreen guifg=deepskyblue4
484 hi hlLevel8 ctermfg=blue guifg=darkslateblue
485 hi hlLevel9 ctermfg=darkmagenta guifg=darkviolet
490 let b:current_syntax = 'factor'
492 " vim: set ft=vim et sw=2 isk+=/,\\ :