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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'gdscript') == -1
" Syntax file for Godot Shading Language
if exists("b:current_syntax")
finish
endif
let b:current_syntax = "gsl"
let s:save_cpo = &cpo
set cpo&vim
syn keyword gslConditional if else
syn keyword gslRepeat for while
syn match gslOperator "\V&&\|||\|!\|&\|^\||\|~\|*\|/\|%\|+\|-\|=\|<\|>\|;"
syn match gslDelimiter "\V(\|)\|[\|]\|{\|}"
syn keyword gslStatement return discard
syn keyword gslBoolean true false
syn keyword gslKeyword shader_type render_mode varying flat noperspective smooth
\ uniform lowp mediump highp in out inout
syn keyword gslType void bool bvec2 bvec3 bvec4 int ivec2 ivec3 ivec4
\ uint uvec2 uvec3 uvec4 float vec2 vec3 vec4
\ mat2 mat3 mat4 sampler2D isampler2D usampler2D samplerCube
syn match gslMember "\v<(\.)@<=[a-z_]+\w*>"
syn match gslConstant "\v<[A-Z_]+[A-Z0-9_]*>"
syn match gslFunction "\v<\w*>(\()@="
syn match gslNumber "\v<\d+(\.)@!>"
syn match gslFloat "\v<\d*\.\d+(\.)@!>"
syn match gslFloat "\v<\d*\.=\d+(e-=\d+)@="
syn match gslExponent "\v(\d*\.=\d+)@<=e-=\d+>"
syn match gslComment "\v//.*$"
syn region gslComment start="/\*" end="\*/"
syn keyword gslTodo TODO FIXME XXX NOTE BUG HACK OPTIMIZE containedin=gslComment
hi def link gslConditional Conditional
hi def link gslRepeat Repeat
hi def link gslOperator Operator
hi def link gslDelimiter Delimiter
hi def link gslStatement Statement
hi def link gslBoolean Boolean
hi def link gslKeyword Keyword
hi def link gslMember Identifier
hi def link gslConstant Constant
hi def link gslFunction Function
hi def link gslType Type
hi def link gslNumber Number
hi def link gslFloat Float
hi def link gslExponent Special
hi def link gslComment Comment
hi def link gslTodo Todo
let &cpo = s:save_cpo
unlet s:save_cpo
endif
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