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https://github.com/neovim/neovim.git
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95 lines
3.2 KiB
VimL
95 lines
3.2 KiB
VimL
" Vim syntax file
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" Language: Tera
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" Maintainer: Muntasir Mahmud <muntasir.joypurhat@gmail.com>
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" Last Change: 2025 Mar 11
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if exists("b:current_syntax")
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finish
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endif
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" Detect the underlying language based on filename pattern
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" For files like file.html.tera, we want to load html syntax
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let s:filename = expand("%:t")
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let s:dotpos = strridx(s:filename, '.', strridx(s:filename, '.tera') - 1)
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let s:underlying_filetype = ""
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if s:dotpos != -1
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let s:underlying_ext = s:filename[s:dotpos+1:strridx(s:filename, '.tera')-1]
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if s:underlying_ext != "" && s:underlying_ext != "tera"
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let s:underlying_filetype = s:underlying_ext
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endif
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endif
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" Load the underlying language syntax if detected
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if s:underlying_filetype != ""
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execute "runtime! syntax/" . s:underlying_filetype . ".vim"
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unlet! b:current_syntax
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else
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" Default to HTML if no specific language detected
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runtime! syntax/html.vim
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unlet! b:current_syntax
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endif
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" Tera comment blocks: {# comment #}
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syn region teraCommentBlock start="{#" end="#}" contains=@Spell
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" Tera statements: {% if condition %}
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syn region teraStatement start="{%" end="%}" contains=teraKeyword,teraString,teraNumber,teraFunction,teraBoolean,teraFilter,teraOperator
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" Tera expressions: {{ variable }}
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syn region teraExpression start="{{" end="}}" contains=teraString,teraNumber,teraFunction,teraBoolean,teraFilter,teraOperator,teraIdentifier
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" Special handling for raw blocks - content inside shouldn't be processed
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syn region teraRawBlock start="{% raw %}" end="{% endraw %}" contains=TOP,teraCommentBlock,teraStatement,teraExpression
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" Control structure keywords
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syn keyword teraKeyword contained if else elif endif for endfor in macro endmacro
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syn keyword teraKeyword contained block endblock extends include import set endset
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syn keyword teraKeyword contained break continue filter endfilter raw endraw
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" Identifiers - define before operators for correct priority
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syn match teraIdentifier contained "\<\w\+\>"
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" Operators used in expressions and statements
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syn match teraOperator contained "==\|!=\|>=\|<=\|>\|<\|+\|-\|*\|/"
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syn match teraOperator contained "{\@<!%}\@!" " Match % but not when part of {% or %}
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syn keyword teraOperator contained and or not is as
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" Functions and filters
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syn match teraFunction contained "\<\w\+\ze("
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syn match teraFilter contained "|\_s*\w\+"
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" String literals - both single and double quoted
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syn region teraString contained start=+"+ skip=+\\"+ end=+"+ contains=@Spell
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syn region teraString contained start=+'+ skip=+\\'+ end=+'+ contains=@Spell
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" Numeric literals - both integer and float
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syn match teraNumber contained "\<\d\+\>"
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syn match teraNumber contained "\<\d\+\.\d\+\>"
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" Boolean values
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syn keyword teraBoolean contained true false
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" Highlighting links
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hi def link teraCommentBlock Comment
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hi def link teraKeyword Statement
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hi def link teraOperator Operator
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hi def link teraFunction Function
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hi def link teraIdentifier Identifier
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hi def link teraString String
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hi def link teraNumber Number
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hi def link teraBoolean Boolean
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hi def link teraFilter Function
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hi def link teraStatement Statement
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hi def link teraExpression Statement
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" Clean up script-local variables
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unlet s:filename
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unlet s:dotpos
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if exists("s:underlying_ext")
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unlet s:underlying_ext
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endif
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unlet s:underlying_filetype
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let b:current_syntax = "tera"
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