" See the License for the specific language governing permissions and
" limitations under the License.
-if exists("b:current_syntax")
- finish
+if !exists("main_syntax")
+ if version < 600
+ syntax clear
+ elseif exists("b:current_syntax")
+ finish
+ endif
+ " we define it here so that included files can test for it
+ let main_syntax='nit'
endif
" Expression Substitution and Backslash Notation
syn match NITExprSubstError "{\|}" contained
syn match NITExprSubst "\\." contained
-syn match NITExprSubst "{[^}]*}" contained
+syn match NITExprSubst "{\([^}]\|\n\)*}" contained
-" Numbers and ASCII Codes
-syn match NITNumber "\<\(\d\+\.\d\+\|\d\+\)\>"
+syn match NITExprSubstLong "\\." contained
+syn match NITExprSubstLong "{*\zs{{{\([^}]\|\n\)*}}}\ze}*" contained
+
+" Numbers
+syn match NITNumber "\<\([0-9_]\+\|0[bB][01_]\+\|0[oO][0-7_]\+\|0[xX][0-9a-fA-F_]\+\)\([iu]\(8\|16\|32\)\)\?\>"
+syn match NITNumber "\<[0-9_]\+\.[0-9_]\+\>"
" Identifiers
syn match NITClass "\<\u\w*"
syn match NITAttribute "\<_\h\w*"
" Literal strings
-syn region NITString matchgroup=NITStringDelimit start="\"" end="\"" skip="\\\\\|\\\"" contains=NITExprSubst,NITExprSubstError
+syn region NITString matchgroup=NITStringDelimit start="\"" end="\"" skip="\\\\\|\\\"" contains=NITExprSubst,NITExprSubstError,@Spell
+syn region NITString matchgroup=NITStringDelimit start="\"\"\"" end="\"*\zs\"\"\"" skip="\\\\\|\\\"" contains=NITExprSubstLong,@Spell
syn region NITString matchgroup=NITStringDelimit start="'" end="'" skip="\\\\\|\\'"
" Labels
" Fallback highlight keywords
syn match NITNull "\<\(null\)\>"
-syn match NITControl "\<\(init\|end\|not null\|not\|var\|do\|then\|else\|loop\)\>"
+syn match NITControl "\<\(init\|end\|not null\|not\|var\|do\|then\|catch\|else\|loop\|is\)\>"
syn match NITKeyword "\<\(super\)\>"
" Unmatchning error
syn match Error "\<end\>"
" Declarations, definitions and blocks
syn region NITModuleDecl matchgroup=NITDefine start="\<\(import\|module\|package\)\>\s*" matchgroup=NONE end="\ze\(\s\|:\|(\|$\)" oneline
-syn region NITClassBlock matchgroup=NITDefine start="\<\(class\|enum\|universal\|interface\|extern\)\>" matchgroup=NITDefine end="\<end\>" contains=ALL fold
+syn region NITClassBlock matchgroup=NITDefine start="\<\(class\|enum\|universal\|interface\|extern\)\>" matchgroup=NITDefine end="\<end\>" contains=ALLBUT,NITAnnotLine fold
syn region NITFunctionDecl matchgroup=NITDefine start="\<fun\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline
syn region NITTypeDecl matchgroup=NITDefine start="\<type\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
-syn region NITAttrDecl matchgroup=NITDefine start="\<var\>\s*\ze_" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
+syn region NITAttrDecl matchgroup=NITDefine start="\<var\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
syn region NITInitDecl matchgroup=NITDefine start="\<init\>\s*" matchgroup=NONE end="\ze\(\<do\>\|\s\|:\|(\|$\)" oneline contained containedin=NITClassBlock
syn match NITDefine "\<\(super\)\ze\s\+[A-Z]" contained containedin=NITClassBlock
-syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>\ze\s*\(#\|$\)" matchgroup=NITControl end="^\s*\<\(end\|\zeelse\|\ze!\)\>" contains=ALLBUT,NITTypeDecl,NITAttrDecl,NITInitDecl
-syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>" matchgroup=NITControl end="\<end\>" oneline
+syn region NITAnnotBlock matchgroup=NITControl start="\<is\>\ze\s*\(#\|$\)" matchgroup=NITControl end="\(\ze\<do\>\|\<end\>\)" transparent contains=ALL
+syn match NITAnnotLine "^\s*\zs\w\+" contained containedin=NITAnnotBlock
+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
+syn region NITStmtBlock matchgroup=NITControl start="\<\(do\|then\|else\|loop\)\>" matchgroup=NITControl end="\<end\>" oneline
if !exists("NIT_minlines")
let NIT_minlines = 50
endif
" Comments and Documentation
syn match NITSharpBang "\%^#!.*"
-syn match NITComment "#.*" contains=NITTodo
+syn match NITComment "#.*" contains=NITTodo,@Spell
" Keywords
-syn keyword NITKeyword is abstract intern new
+syn keyword NITKeyword abstract intern new
syn keyword NITDefine private public protected intrude readable writable redef
-syn keyword NITControl if while for assert and or in as isa once break continue return abort
+syn keyword NITControl if while for with assert and or in as isa once break continue return abort
syn keyword NITClass nullable
syn keyword NITInclude special
syn keyword NITTodo FIXME NOTE TODO XXX contained
hi def link NITAttrDecl Function
hi def link NITInitDecl Function
hi def link NITControl Statement
+hi def link NITAnnotLine Statement
hi def link NITLabel PreProc
hi def link NITInclude Include
hi def link NITNumber Number
hi def link NITString String
hi def link NITStringDelimit Delimiter
hi def link NITExprSubst Special
+hi def link NITExprSubstLong Special
hi def link NITExprSubstError Error
hi def link NITComment Comment
hi def link NITTodo Todo
+" FFI Section
+syn match NITFFIDelimiters "\<\(`{\|`}\)\>"
+hi def link NITFFIDelimiters Keyword
+
+" FFI Python
+syntax include @FFIPython syntax/python.vim
+unlet b:current_syntax
+syn match NITFFILanguage /\c"Python"\ze.*`{/ nextgroup=NITFFIBlockPython skipwhite
+syn region NITFFIBlockPython matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIPython
+
+" FFI Java
+syntax include @FFIJava syntax/java.vim
+unlet b:current_syntax
+syn match NITFFILanguage /\c"Java\(\| inner\)"\ze.*`{/ nextgroup=NITFFIBlockJava skipwhite
+syn region NITFFIBlockJava matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIJava
+
+" FFI C++
+syntax include @FFICpp syntax/cpp.vim
+unlet b:current_syntax
+syn match NITFFILanguage /\c"C++\(\| header\| body\)"\ze.*`{/ nextgroup=NITFFIBlockCpp skipwhite
+syn region NITFFIBlockCpp matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFICpp
+
+" FFI Objective-C
+syntax include @FFIObjC syntax/objc.vim
+unlet b:current_syntax
+syn match NITFFILanguage /\c"ObjC\(\| Header\| Body\)"\ze.*`{/ nextgroup=NITFFIBlockObjC skipwhite
+syn region NITFFIBlockObjC matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIObjC
+
+" FFI C (the last one is the default)
+syntax include @FFIC syntax/c.vim
+unlet b:current_syntax
+syn match NITFFILanguage /\c"C\(\| header\| body\)"\ze.*`{/ nextgroup=NITFFIBlockC skipwhite
+syn region NITFFIBlockC matchgroup=NITFFI start='`{' matchgroup=NITFFI end='`}' keepend fold contains=@FFIC
+
+hi def link NITFFILanguage Define
+
let b:current_syntax = "Nit"
nitlanguage / nit.git / blobdiff