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
40 syn match NITNumber "\<\([0-9_]\+\|0[bB][01_]\+\|0[oO][0-7_]\+\|0[xX][0-9a-fA-F_]\+\)\([iu]\(8\|16\|32\)\)\?\>"
41 syn match NITNumber "\<[0-9_]\+\.[0-9_]\+\>"
44 syn match NITClass "\<\u\w*"
45 syn match NITAttribute "\<_\h\w*"
48 syn region NITString matchgroup=NITStringDelimit start="\"" end="\"" skip="\\\\\|\\\"" contains=NITExprSubst,NITExprSubstError,@Spell
49 syn region NITString matchgroup=NITStringDelimit start="\"\"\"" end="\"*\zs\"\"\"" skip="\\\\\|\\\"" contains=NITExprSubstLong,@Spell
50 syn region NITString matchgroup=NITStringDelimit start="'" end="'" skip="\\\\\|\\'"
53 syn match NITLabel "\<label \h\w*"
56 syn match NITClosure "!\h\w*"
58 " Fallback highlight keywords
59 syn match NITNull "\<\(null\)\>"
60 syn match NITControl "\<\(init\|end\|not null\|not\|var\|do\|then\|catch\|else\|loop\|is\)\>"
61 syn match NITKeyword "\<\(super\)\>"
63 syn match Error "\<end\>"
65 " Declarations, definitions and blocks
66 syn region NITModuleDecl matchgroup=NITDefine start="\<\(import\|module\|package\)\>\s*" matchgroup=NONE end="\ze\(\s\|:\|(\|$\)" oneline
67 syn region NITClassBlock matchgroup=NITDefine start="\<\(class\|enum\|universal\|interface\|extern\)\>" matchgroup=NITDefine end="\<end\>" contains=ALLBUT,NITAnnotLine fold
68 syn region NITFunctionDecl matchgroup=NITDefine start="\<fun\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline
69 syn region NITTypeDecl matchgroup=NITDefine start="\<type\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
70 syn region NITAttrDecl matchgroup=NITDefine start="\<var\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
71 syn region NITInitDecl matchgroup=NITDefine start="\<init\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
72 syn match NITDefine "\<\(super\)\ze\s\+[A-Z]" contained containedin=NITClassBlock
74 syn region NITAnnotBlock matchgroup=NITControl start="\<is\>\ze\s*\(#\|$\)" matchgroup=NITControl end="\(\ze\<do\>\|\<end\>\)" transparent contains=ALL
75 syn match NITAnnotLine "^\s*\zs\w\+" contained containedin=NITAnnotBlock
77 syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>\ze\s*\(#\|$\)" matchgroup=NITControl end="^\s*\<\(end\|\zeelse\|\ze!\)\>" contains=ALLBUT,NITTypeDecl,NITAttrDecl,NITInitDecl,NITAnnotLine
78 syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>" matchgroup=NITControl end="\<end\>" oneline
79 if !exists("NIT_minlines")
82 exec "syn sync minlines=" . NIT_minlines
84 " Comments and Documentation
85 syn match NITSharpBang "\%^#!.*"
86 syn match NITComment "#.*" contains=NITTodo,@Spell
89 syn keyword NITKeyword abstract intern new
90 syn keyword NITDefine private public protected intrude readable writable redef
91 syn keyword NITControl if while for with assert and or in as isa once break continue return abort
92 syn keyword NITClass nullable
93 syn keyword NITInclude special
94 syn keyword NITTodo FIXME NOTE TODO XXX contained
95 syn keyword NITBoolean true false
96 syn keyword NITSelf self
98 " Define the default highlighting.
99 hi def link NITDefine Define
100 hi def link NITModuleDecl Identifier
101 hi def link NITFunctionDecl Function
102 hi def link NITTypeDecl Function
103 hi def link NITAttrDecl Function
104 hi def link NITInitDecl Function
105 hi def link NITControl Statement
106 hi def link NITAnnotLine Statement
107 hi def link NITLabel PreProc
108 hi def link NITInclude Include
109 hi def link NITNumber Number
110 hi def link NITBoolean Boolean
111 hi def link NITNull Constant
112 hi def link NITSelf Constant
113 hi def link NITClass Type
114 hi def link NITAttribute Identifier
115 hi def link NITClosure Function
116 hi def link NITSharpBang PreProc
117 hi def link NITKeyword Keyword
119 hi def link NITString String
120 hi def link NITStringDelimit Delimiter
121 hi def link NITExprSubst Special
122 hi def link NITExprSubstLong Special
123 hi def link NITExprSubstError Error
125 hi def link NITComment Comment
126 hi def link NITTodo Todo
129 syn match NITFFIDelimiters "\<\(`{\|`}\)\>"
130 hi def link NITFFIDelimiters Keyword
133 syntax include @FFIPython syntax/python.vim
134 unlet b:current_syntax
135 syn match NITFFILanguage /\c"Python"\ze.*`{/ nextgroup=NITFFIBlockPython skipwhite
136 syn region NITFFIBlockPython matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIPython
139 syntax include @FFIJava syntax/java.vim
140 unlet b:current_syntax
141 syn match NITFFILanguage /\c"Java\(\| inner\)"\ze.*`{/ nextgroup=NITFFIBlockJava skipwhite
142 syn region NITFFIBlockJava matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIJava
145 syntax include @FFICpp syntax/cpp.vim
146 unlet b:current_syntax
147 syn match NITFFILanguage /\c"C++\(\| header\| body\)"\ze.*`{/ nextgroup=NITFFIBlockCpp skipwhite
148 syn region NITFFIBlockCpp matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFICpp
151 syntax include @FFIObjC syntax/objc.vim
152 unlet b:current_syntax
153 syn match NITFFILanguage /\c"ObjC\(\| Header\| Body\)"\ze.*`{/ nextgroup=NITFFIBlockObjC skipwhite
154 syn region NITFFIBlockObjC matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIObjC
156 " FFI C (the last one is the default)
157 syntax include @FFIC syntax/c.vim
158 unlet b:current_syntax
159 syn match NITFFILanguage /\c"C\(\| header\| body\)"\ze.*`{/ nextgroup=NITFFIBlockC skipwhite
160 syn region NITFFIBlockC matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIC
162 hi def link NITFFILanguage Define
164 let b:current_syntax = "Nit"