Add gdscript, closes #483

syntax/gdscript3.vim

@@ -0,0 +1,101 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'gdscript') == -1
+
+" Syntax file for GDScript
+
+if exists("b:current_syntax")
+    finish
+endif
+let b:current_syntax = "gdscript3"
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+syn keyword gdConditional if elif else match
+syn keyword gdRepeat      for while
+syn keyword gdOperator    and or not is in
+syn match   gdOperator    "\V&&\|||\|!\|&\|^\||\|~\|*\|/\|%\|+\|-\|=\|<\|>"
+syn match   gdDelimiter   "\V(\|)\|[\|]\|{\|}"
+syn keyword gdStatement   break continue pass return
+syn keyword gdKeyword     extends tool signal self
+                        \ const enum var onready export setget
+syn match   gdKeyword     "\v^\s*((static\s*)=func|class)"
+                        \ nextgroup=gdFunction skipwhite
+syn keyword gdBoolean     true false
+
+syn match   gdMember   "\v<(\.)@<=[a-z_]+\w*>"
+syn match   gdFunction "\v<\w*>(\()@="
+syn match   gdSignal "\v(<signal>\s+)@<=<\w+>"
+syn match   gdSetGet "\v(<setget>\s+)@<=<\w+>"
+syn match   gdSetGet "\v(<setget>\s+\w*\s*,\s*)@<=<\w+>"
+
+syn keyword gdNull      null
+syn keyword gdClass     int float bool
+syn match   gdClass     "\v<\u\w+>"
+syn match   gdConstant  "\v<[A-Z_]+[A-Z0-9_]*>"
+syn keyword gdClass     AABB IP JSON OS RID
+syn match   gdNode      "\v\$\a+\w*"
+
+syn region  gdString      start='\v\"' end='\v\"'
+syn region  gdString      start='\v\'' end='\v\''
+syn match   gdEscapeError "\v\\."              containedin=gdString
+syn match   gdEscapeError "\v\\u.{,3}"         containedin=gdString
+syn match   gdEscape      "\v\\[abfnrtv\\'"]"  containedin=gdString
+syn match   gdEscape      "\v\\u[0-9]{4}"      containedin=gdString
+
+syn match   gdFormat "\v\%\%" containedin=gdString
+syn match   gdFormat "\v\%[+-]=(\d*|\*)=\.=(\d*|\*)=[scdoxXf]" containedin=gdString
+
+syn match   gdNumber      "\v<\d+(\.)@!>"
+syn match   gdNumber      "\v<0x\x+(\.)@!>"
+syn match   gdFloat       "\v<\d*\.\d+(\.)@!>"
+syn match   gdFloat       "\v<\d*\.=\d+(e-=\d+)@="
+syn match   gdExponent    "\v(\d*\.=\d+)@<=e-=\d+>"
+
+syn match   gdComment "\v#.*$"
+syn keyword gdTodo    TODO FIXME XXX NOTE BUG HACK OPTIMIZE containedin=gdComment
+
+syn region gdFunctionFold
+  \ start="\v^\z(\s*)%(%(static\s+)=func|class)>"
+  \ end="\v\ze%(\s*\n)+%(\z1\s)@!."
+  \ fold transparent
+
+syn region gdFold
+  \ matchgroup=gdComment
+  \ start='#.*{{{.*$'
+  \ end='#.*}}}.*$'
+  \ fold transparent
+
+hi def link gdConditional Conditional
+hi def link gdRepeat      Repeat
+hi def link gdOperator    Operator
+hi def link gdDelimiter   Delimiter
+hi def link gdStatement   Statement
+hi def link gdKeyword     Keyword
+hi def link gdBoolean     Boolean
+
+hi def link gdMember   Identifier
+hi def link gdFunction Function
+hi def link gdSignal   Function
+hi def link gdSetGet   Function
+
+hi def link gdNull     Constant
+hi def link gdClass    Type
+hi def link gdConstant Constant
+hi def link gdNode     Identifier
+
+hi def link gdString   String
+hi def link gdEscape   Special
+hi def link gdFormat   Special
+hi def link gdNumber   Number
+hi def link gdFloat    Float
+hi def link gdExponent Special
+
+hi def link gdEscapeError Error
+
+hi def link gdComment Comment
+hi def link gdTodo    Todo
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+endif

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