Add gdscript, closes #483

1 files changed, 63 insertions, 0 deletions

diff --git a/syntax/gsl.vim b/syntax/gsl.vim
new file mode 100644
index 00000000..6118a3af
--- /dev/null
+++ b/syntax/gsl.vim
@@ -0,0 +1,63 @@
+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