runtime(prql): include prql syntax script
References:
https://prql-lang.org/
https://github.com/PRQL/prql
closes: #16885
Signed-off-by: Jonathan <vanillajonathan@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.github/MAINTAINERS b/.github/MAINTAINERS
index 27c52f5..055531a 100644
--- a/.github/MAINTAINERS
+++ b/.github/MAINTAINERS
@@ -577,6 +577,7 @@
runtime/syntax/privoxy.vim @dkearns
runtime/syntax/progress.vim @rdnlsmith
runtime/syntax/prolog.vim @XVilka
+runtime/syntax/prql.vim @vanillajonathan
runtime/syntax/ps1.vim @heaths
runtime/syntax/ps1xml.vim @heaths
runtime/syntax/psl.vim @danielkho
diff --git a/runtime/syntax/prql.vim b/runtime/syntax/prql.vim
new file mode 100644
index 0000000..2a224cd
--- /dev/null
+++ b/runtime/syntax/prql.vim
@@ -0,0 +1,178 @@
+" Vim syntax file
+" Language: PRQL
+" Maintainer: vanillajonathan
+" Last Change: 2025-03-07
+"
+" https://prql-lang.org/
+" https://github.com/PRQL/prql
+
+" quit when a syntax file was already loaded.
+if exists("b:current_syntax")
+ finish
+endif
+
+" We need nocompatible mode in order to continue lines with backslashes.
+" Original setting will be restored.
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn keyword prqlBoolean false true
+syn keyword prqlSelf this that
+syn keyword prqlStatement null
+syn keyword prqlConditional case
+syn keyword prqlStatement prql let type alias in
+syn keyword prqlRepeat loop
+syn match prqlOperator display "\%(+\|-\|/\|*\|=\|\^\|&\||\|!\|>\|<\|%\|\~\)=\?"
+syn match prqlOperator display "&&\|||"
+syn keyword prqlInclude module
+
+" Annotations
+syn match prqlAnnotation "@" display contained
+syn match prqlAnnotationName "@\s*{\h\%(\w\|=\)*}" display contains=prqlAnnotation
+
+syn match prqlFunction "\h\w*" display contained
+
+syn match prqlComment "#.*$" contains=prqlTodo,@Spell
+syn keyword prqlTodo FIXME NOTE TODO XXX contained
+
+" Triple-quoted strings can contain doctests.
+syn region prqlString matchgroup=prqlQuotes
+ \ start=+\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
+ \ contains=prqlEscape,@Spell
+syn region prqlString matchgroup=prqlTripleQuotes
+ \ start=+\z('''\|"""\)+ end="\z1" keepend
+ \ contains=prqlEscape,prqlSpaceError,prqlDoctest,@Spell
+syn region prqlFString matchgroup=prqlQuotes
+ \ start=+[f]\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
+ \ contains=prqlEscape,@Spell
+syn region prqlFString matchgroup=prqlTripleQuotes
+ \ start=+f\z('''\|"""\)+ end="\z1" keepend
+ \ contains=prqlEscape,prqlSpaceError,prqlDoctest,@Spell
+syn region prqlRString matchgroup=prqlQuotes
+ \ start=+r\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
+ \ contains=@Spell
+syn region prqlRString matchgroup=prqlTripleQuotes
+ \ start=+r\z('''\|"""\)+ end="\z1" keepend
+ \ contains=prqlSpaceError,prqlDoctest,@Spell
+syn region prqlSString matchgroup=prqlQuotes
+ \ start=+s\z(['"]\)+ end="\z1" skip="\\\\\|\\\z1"
+ \ contains=@Spell
+syn region prqlSString matchgroup=prqlTripleQuotes
+ \ start=+s\z('''\|"""\)+ end="\z1" keepend
+ \ contains=prqlSpaceError,prqlDoctest,@Spell
+
+syn match prqlEscape +\\[bfnrt'"\\]+ contained
+syn match prqlEscape "\\\o\{1,3}" contained
+syn match prqlEscape "\\x\x\{2}" contained
+syn match prqlEscape "\%(\\u\x\{1,6}\)" contained
+syn match prqlEscape "\\$"
+
+" It is very important to understand all details before changing the
+" regular expressions below or their order.
+" The word boundaries are *not* the floating-point number boundaries
+" because of a possible leading or trailing decimal point.
+" The expressions below ensure that all valid number literals are
+" highlighted, and invalid number literals are not. For example,
+"
+" - a decimal point in '4.' at the end of a line is highlighted,
+" - a second dot in 1.0.0 is not highlighted,
+" - 08 is not highlighted,
+" - 08e0 or 08j are highlighted,
+"
+if !exists("prql_no_number_highlight")
+ " numbers (including complex)
+ syn match prqlNumber "\<0[oO]\%(_\=\o\)\+\>"
+ syn match prqlNumber "\<0[xX]\%(_\=\x\)\+\>"
+ syn match prqlNumber "\<0[bB]\%(_\=[01]\)\+\>"
+ syn match prqlNumber "\<\%([1-9]\%(_\=\d\)*\|0\+\%(_\=0\)*\)\>"
+ syn match prqlNumber "\<\d\%(_\=\d\)*[jJ]\>"
+ syn match prqlNumber "\<\d\%(_\=\d\)*[eE][+-]\=\d\%(_\=\d\)*[jJ]\=\>"
+ syn match prqlNumber
+ \ "\<\d\%(_\=\d\)*\.\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\%(\W\|$\)\@="
+ syn match prqlNumber
+ \ "\%(^\|\W\)\zs\%(\d\%(_\=\d\)*\)\=\.\d\%(_\=\d\)*\%([eE][+-]\=\d\%(_\=\d\)*\)\=[jJ]\=\>"
+endif
+
+" https://prql-lang.org/book/reference/stdlib/transforms/
+"
+" PRQL built-in functions are in alphabetical order.
+"
+
+" Built-in functions
+syn keyword prqlBuiltin aggregate derive filter from group join select sort take window
+
+" Built-in types
+syn keyword prqlType bool float int int8 int16 int32 int64 int128 text date time timestamp
+
+" avoid highlighting attributes as builtins
+syn match prqlAttribute /\.\h\w*/hs=s+1
+ \ contains=ALLBUT,prqlBuiltin,prqlFunction
+ \ transparent
+
+if exists("prql_space_error_highlight")
+ " trailing whitespace
+ syn match prqlSpaceError display excludenl "\s\+$"
+ " mixed tabs and spaces
+ syn match prqlSpaceError display " \+\t"
+ syn match prqlSpaceError display "\t\+ "
+endif
+
+" Do not spell doctests inside strings.
+" Notice that the end of a string, either ''', or """, will end the contained
+" doctest too. Thus, we do *not* need to have it as an end pattern.
+if !exists("prql_no_doctest_highlight")
+ if !exists("prql_no_doctest_code_highlight")
+ syn region prqlDoctest
+ \ start="^\s*>>>\s" end="^\s*$"
+ \ contained contains=ALLBUT,prqlDoctest,prqlFunction,@Spell
+ syn region prqlDoctestValue
+ \ start=+^\s*\%(>>>\s\|\.\.\.\s\|"""\|'''\)\@!\S\++ end="$"
+ \ contained
+ else
+ syn region prqlDoctest
+ \ start="^\s*>>>" end="^\s*$"
+ \ contained contains=@NoSpell
+ endif
+endif
+
+" The default highlight links. Can be overridden later.
+hi def link prqlBoolean Boolean
+hi def link prqlStatement Statement
+hi def link prqlType Type
+hi def link prqlConditional Conditional
+hi def link prqlRepeat Repeat
+hi def link prqlOperator Operator
+hi def link prqlInclude Include
+hi def link prqlAnnotation Define
+hi def link prqlAnnotationName Function
+hi def link prqlFunction Function
+hi def link prqlComment Comment
+hi def link prqlTodo Todo
+hi def link prqlSelf Constant
+hi def link prqlString String
+hi def link prqlFString String
+hi def link prqlRString String
+hi def link prqlSString String
+hi def link prqlQuotes String
+hi def link prqlTripleQuotes prqlQuotes
+hi def link prqlEscape Special
+if !exists("prql_no_number_highlight")
+ hi def link prqlNumber Number
+endif
+if !exists("prql_no_builtin_highlight")
+ hi def link prqlBuiltin Function
+endif
+if exists("prql_space_error_highlight")
+ hi def link prqlSpaceError Error
+endif
+if !exists("prql_no_doctest_highlight")
+ hi def link prqlDoctest Special
+ hi def link prqlDoctestValue Define
+endif
+
+let b:current_syntax = "prql"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim:set sw=2 sts=2 ts=8 noet: