3 " Maintainer: Jean Privat <jean@pryen.org>
5 " This file is part of NIT ( http://www.nitlanguage.org ).
7 " Copyright 2009 Jean Privat <jean@pryen.org>
9 " Licensed under the Apache License, Version 2.0 (the "License");
10 " you may not use this file except in compliance with the License.
11 " You may obtain a copy of the License at
13 " http://www.apache.org/licenses/LICENSE-2.0
15 " Unless required by applicable law or agreed to in writing, software
16 " distributed under the License is distributed on an "AS IS" BASIS,
17 " WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 " See the License for the specific language governing permissions and
19 " limitations under the License.
21 if !exists("main_syntax")
24 elseif exists("b:current_syntax")
27 " we define it here so that included files can test for it
31 " Expression Substitution and Backslash Notation
32 syn match NITExprSubstError "{\|}" contained
33 syn match NITExprSubst "\\." contained
34 syn match NITExprSubst "{\([^}]\|\n\)*}" contained
36 syn match NITExprSubstLong "\\." contained
37 syn match NITExprSubstLong "{*\zs{{{\([^}]\|\n\)*}}}\ze}*" contained
39 " Numbers and ASCII Codes
40 syn match NITNumber "\<\(\d\+\.\d\+\|\d\+\)\>"
43 syn match NITClass "\<\u\w*"
44 syn match NITAttribute "\<_\h\w*"
47 syn region NITString matchgroup=NITStringDelimit start="\"" end="\"" skip="\\\\\|\\\"" contains=NITExprSubst,NITExprSubstError
48 syn region NITString matchgroup=NITStringDelimit start="\"\"\"" end="\"*\zs\"\"\"" skip="\\\\\|\\\"" contains=NITExprSubstLong
49 syn region NITString matchgroup=NITStringDelimit start="'" end="'" skip="\\\\\|\\'"
52 syn match NITLabel "\<label \h\w*"
55 syn match NITClosure "!\h\w*"
57 " Fallback highlight keywords
58 syn match NITNull "\<\(null\)\>"
59 syn match NITControl "\<\(init\|end\|not null\|not\|var\|do\|then\|else\|loop\)\>"
60 syn match NITKeyword "\<\(super\)\>"
62 syn match Error "\<end\>"
64 " Declarations, definitions and blocks
65 syn region NITModuleDecl matchgroup=NITDefine start="\<\(import\|module\|package\)\>\s*" matchgroup=NONE end="\ze\(\s\|:\|(\|$\)" oneline
66 syn region NITClassBlock matchgroup=NITDefine start="\<\(class\|enum\|universal\|interface\|extern\)\>" matchgroup=NITDefine end="\<end\>" contains=ALL fold
67 syn region NITFunctionDecl matchgroup=NITDefine start="\<fun\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline
68 syn region NITTypeDecl matchgroup=NITDefine start="\<type\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
69 syn region NITAttrDecl matchgroup=NITDefine start="\<var\>\s*\ze_" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
70 syn region NITInitDecl matchgroup=NITDefine start="\<init\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
71 syn match NITDefine "\<\(super\)\ze\s\+[A-Z]" contained containedin=NITClassBlock
73 syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>\ze\s*\(#\|$\)" matchgroup=NITControl end="^\s*\<\(end\|\zeelse\|\ze!\)\>" contains=ALLBUT,NITTypeDecl,NITAttrDecl,NITInitDecl
74 syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>" matchgroup=NITControl end="\<end\>" oneline
76 if !exists("NIT_minlines")
79 exec "syn sync minlines=" . NIT_minlines
81 " Comments and Documentation
82 syn match NITSharpBang "\%^#!.*"
83 syn match NITComment "#.*" contains=NITTodo
86 syn keyword NITKeyword is abstract intern new
87 syn keyword NITDefine private public protected intrude readable writable redef
88 syn keyword NITControl if while for assert and or in as isa once break continue return abort
89 syn keyword NITClass nullable
90 syn keyword NITInclude special
91 syn keyword NITTodo FIXME NOTE TODO XXX contained
92 syn keyword NITBoolean true false
93 syn keyword NITSelf self
95 " Define the default highlighting.
96 hi def link NITDefine Define
97 hi def link NITModuleDecl Identifier
98 hi def link NITFunctionDecl Function
99 hi def link NITTypeDecl Function
100 hi def link NITAttrDecl Function
101 hi def link NITInitDecl Function
102 hi def link NITControl Statement
103 hi def link NITLabel PreProc
104 hi def link NITInclude Include
105 hi def link NITNumber Number
106 hi def link NITBoolean Boolean
107 hi def link NITNull Constant
108 hi def link NITSelf Constant
109 hi def link NITClass Type
110 hi def link NITAttribute Identifier
111 hi def link NITClosure Function
112 hi def link NITSharpBang PreProc
113 hi def link NITKeyword Keyword
115 hi def link NITString String
116 hi def link NITStringDelimit Delimiter
117 hi def link NITExprSubst Special
118 hi def link NITExprSubstLong Special
119 hi def link NITExprSubstError Error
121 hi def link NITComment Comment
122 hi def link NITTodo Todo
125 syn match NITFFIDelimiters "\<\(`{\|`}\)\>"
126 hi def link NITFFIDelimiters Keyword
128 syntax include @FFIPython syntax/python.vim
129 unlet b:current_syntax
130 syn match NITFFILanguage '"Python"' nextgroup=NITFFIBlockPython skipwhite
131 syn region NITFFIBlockPython matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIPython
133 " FFI C (the last one is the default)
134 syntax include @FFIC syntax/c.vim
135 unlet b:current_syntax
136 syn match NITFFILanguage '"C\(\| header\| body\)"' nextgroup=NITFFIBlockC skipwhite
137 syn region NITFFIBlockC matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIC
139 hi def link NITFFILanguage Define
141 let b:current_syntax = "Nit"