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https://github.com/vim/vim.git
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179 lines
6.3 KiB
VimL
179 lines
6.3 KiB
VimL
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" Vim syntax file
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" Language: PRQL
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" Maintainer: vanillajonathan
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" Last Change: 2025-03-07
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"
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" https://prql-lang.org/
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" https://github.com/PRQL/prql
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" quit when a syntax file was already loaded.
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if exists("b:current_syntax")
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finish
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endif
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" We need nocompatible mode in order to continue lines with backslashes.
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" Original setting will be restored.
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let s:cpo_save = &cpo
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set cpo&vim
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syn keyword prqlBoolean false true
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syn keyword prqlSelf this that
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syn keyword prqlStatement null
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syn keyword prqlConditional case
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syn keyword prqlStatement prql let type alias in
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syn keyword prqlRepeat loop
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syn match prqlOperator display "\%(+\|-\|/\|*\|=\|\^\|&\||\|!\|>\|<\|%\|\~\)=\?"
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syn match prqlOperator display "&&\|||"
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syn keyword prqlInclude module
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" Annotations
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syn match prqlAnnotation "@" display contained
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syn match prqlAnnotationName "@\s*{\h\%(\w\|=\)*}" display contains=prqlAnnotation
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syn match prqlFunction "\h\w*" display contained
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syn match prqlComment "#.*$" contains=prqlTodo,@Spell
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syn keyword prqlTodo FIXME NOTE TODO XXX contained
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" Triple-quoted strings can contain doctests.
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syn region prqlString matchgroup=prqlQuotes
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\ start=+\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
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\ contains=prqlEscape,@Spell
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syn region prqlString matchgroup=prqlTripleQuotes
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\ start=+\z('''\|"""\)+ end="\z1" keepend
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\ contains=prqlEscape,prqlSpaceError,prqlDoctest,@Spell
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syn region prqlFString matchgroup=prqlQuotes
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\ start=+[f]\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
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\ contains=prqlEscape,@Spell
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syn region prqlFString matchgroup=prqlTripleQuotes
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\ start=+f\z('''\|"""\)+ end="\z1" keepend
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\ contains=prqlEscape,prqlSpaceError,prqlDoctest,@Spell
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syn region prqlRString matchgroup=prqlQuotes
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\ start=+r\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
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\ contains=@Spell
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syn region prqlRString matchgroup=prqlTripleQuotes
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\ start=+r\z('''\|"""\)+ end="\z1" keepend
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\ contains=prqlSpaceError,prqlDoctest,@Spell
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syn region prqlSString matchgroup=prqlQuotes
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\ start=+s\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
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\ contains=@Spell
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syn region prqlSString matchgroup=prqlTripleQuotes
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\ start=+s\z('''\|"""\)+ end="\z1" keepend
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\ contains=prqlSpaceError,prqlDoctest,@Spell
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syn match prqlEscape +\\[bfnrt'"\\]+ contained
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syn match prqlEscape "\\\o\{1,3}" contained
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syn match prqlEscape "\\x\x\{2}" contained
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syn match prqlEscape "\%(\\u\x\{1,6}\)" contained
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syn match prqlEscape "\\$"
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" It is very important to understand all details before changing the
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" regular expressions below or their order.
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" The word boundaries are *not* the floating-point number boundaries
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" because of a possible leading or trailing decimal point.
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" The expressions below ensure that all valid number literals are
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" highlighted, and invalid number literals are not. For example,
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"
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" - a decimal point in '4.' at the end of a line is highlighted,
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" - a second dot in 1.0.0 is not highlighted,
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" - 08 is not highlighted,
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" - 08e0 or 08j are highlighted,
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"
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if !exists("prql_no_number_highlight")
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" numbers (including complex)
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syn match prqlNumber "\<0[oO]\%(_\=\o\)\+\>"
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syn match prqlNumber "\<0[xX]\%(_\=\x\)\+\>"
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syn match prqlNumber "\<0[bB]\%(_\=[01]\)\+\>"
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syn match prqlNumber "\<\%([1-9]\%(_\=\d\)*\|0\+\%(_\=0\)*\)\>"
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syn match prqlNumber "\<\d\%(_\=\d\)*[jJ]\>"
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syn match prqlNumber "\<\d\%(_\=\d\)*[eE][+-]\=\d\%(_\=\d\)*[jJ]\=\>"
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syn match prqlNumber
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\ "\<\d\%(_\=\d\)*\.\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\%(\W\|$\)\@="
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syn match prqlNumber
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\ "\%(^\|\W\)\zs\%(\d\%(_\=\d\)*\)\=\.\d\%(_\=\d\)*\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\>"
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endif
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" https://prql-lang.org/book/reference/stdlib/transforms/
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"
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" PRQL built-in functions are in alphabetical order.
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"
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" Built-in functions
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syn keyword prqlBuiltin aggregate derive filter from group join select sort take window
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" Built-in types
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syn keyword prqlType bool float int int8 int16 int32 int64 int128 text date time timestamp
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" avoid highlighting attributes as builtins
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syn match prqlAttribute /\.\h\w*/hs=s+1
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\ contains=ALLBUT,prqlBuiltin,prqlFunction
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\ transparent
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if exists("prql_space_error_highlight")
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" trailing whitespace
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syn match prqlSpaceError display excludenl "\s\+$"
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" mixed tabs and spaces
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syn match prqlSpaceError display " \+\t"
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syn match prqlSpaceError display "\t\+ "
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endif
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" Do not spell doctests inside strings.
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" Notice that the end of a string, either ''', or """, will end the contained
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" doctest too. Thus, we do *not* need to have it as an end pattern.
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if !exists("prql_no_doctest_highlight")
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if !exists("prql_no_doctest_code_highlight")
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syn region prqlDoctest
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\ start="^\s*>>>\s" end="^\s*$"
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\ contained contains=ALLBUT,prqlDoctest,prqlFunction,@Spell
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syn region prqlDoctestValue
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\ start=+^\s*\%(>>>\s\|\.\.\.\s\|"""\|'''\)\@!\S\++ end="$"
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\ contained
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else
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syn region prqlDoctest
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\ start="^\s*>>>" end="^\s*$"
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\ contained contains=@NoSpell
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endif
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endif
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" The default highlight links. Can be overridden later.
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hi def link prqlBoolean Boolean
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hi def link prqlStatement Statement
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hi def link prqlType Type
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hi def link prqlConditional Conditional
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hi def link prqlRepeat Repeat
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hi def link prqlOperator Operator
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hi def link prqlInclude Include
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hi def link prqlAnnotation Define
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hi def link prqlAnnotationName Function
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hi def link prqlFunction Function
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hi def link prqlComment Comment
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hi def link prqlTodo Todo
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hi def link prqlSelf Constant
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hi def link prqlString String
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hi def link prqlFString String
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hi def link prqlRString String
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hi def link prqlSString String
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hi def link prqlQuotes String
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hi def link prqlTripleQuotes prqlQuotes
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hi def link prqlEscape Special
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if !exists("prql_no_number_highlight")
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hi def link prqlNumber Number
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endif
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if !exists("prql_no_builtin_highlight")
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hi def link prqlBuiltin Function
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endif
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if exists("prql_space_error_highlight")
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hi def link prqlSpaceError Error
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endif
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if !exists("prql_no_doctest_highlight")
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hi def link prqlDoctest Special
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hi def link prqlDoctestValue Define
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endif
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let b:current_syntax = "prql"
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let &cpo = s:cpo_save
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||
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unlet s:cpo_save
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" vim:set sw=2 sts=2 ts=8 noet:
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