Update runtime files

runtime/syntax/gdshader.vim

@@ -0,0 +1,57 @@
+" Vim syntax file for Godot shading language
+" Language:     gdshader
+" Maintainer:   Maxim Kim <habamax@gmail.com>
+" Filenames:    *.gdshader
+
+if exists("b:current_syntax")
+    finish
+endif
+
+syn keyword gdshaderConditional if else switch case default
+syn keyword gdshaderRepeat for while do
+syn keyword gdshaderStatement return discard
+syn keyword gdshaderBoolean true false
+
+syn keyword gdshaderKeyword shader_type render_mode
+syn keyword gdshaderKeyword in out inout
+syn keyword gdshaderKeyword lowp mediump highp
+syn keyword gdshaderKeyword uniform varying const
+syn keyword gdshaderKeyword flat smooth
+
+syn keyword gdshaderType float vec2 vec3 vec4
+syn keyword gdshaderType uint uvec2 uvec3 uvec4
+syn keyword gdshaderType int ivec2 ivec3 ivec4
+syn keyword gdshaderType void bool
+syn keyword gdshaderType bvec2 bvec3 bvec4
+syn keyword gdshaderType mat2 mat3 mat4
+syn keyword gdshaderType sampler2D isampler2D usampler2D samplerCube
+
+syn match gdshaderMember "\v<(\.)@<=[a-z_]+\w*>"
+syn match gdshaderBuiltin "\v<[A-Z_]+[A-Z0-9_]*>"
+syn match gdshaderFunction "\v<\w*>(\()@="
+
+syn match gdshaderNumber "\v<\d+(\.)@!>"
+syn match gdshaderFloat "\v<\d*\.\d+(\.)@!>"
+syn match gdshaderFloat "\v<\d*\.=\d+(e-=\d+)@="
+syn match gdshaderExponent "\v(\d*\.=\d+)@<=e-=\d+>"
+
+syn match gdshaderComment "\v//.*$" contains=@Spell
+syn region gdshaderComment start="/\*" end="\*/" contains=@Spell
+syn keyword gdshaderTodo TODO FIXME XXX NOTE BUG HACK OPTIMIZE containedin=gdshaderComment
+
+hi def link gdshaderConditional Conditional
+hi def link gdshaderRepeat Repeat
+hi def link gdshaderStatement Statement
+hi def link gdshaderBoolean Boolean
+hi def link gdshaderKeyword Keyword
+hi def link gdshaderMember Identifier
+hi def link gdshaderBuiltin Identifier
+hi def link gdshaderFunction Function
+hi def link gdshaderType Type
+hi def link gdshaderNumber Number
+hi def link gdshaderFloat Float
+hi def link gdshaderExponent Special
+hi def link gdshaderComment Comment
+hi def link gdshaderTodo Todo
+
+let b:current_syntax = "gdshader"