Added language_glsl and language_hlsl plugin files, and their links in README.md

3 files changed, 783 insertions, 0 deletions

diff --git a/README.md b/README.md
index 4c503b5..750d72a 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,9 @@ Plugin | Description
 [`language_fe`](plugins/language_fe.lua?raw=1) | Syntax for the [fe](https://github.com/rxi/fe) programming language
 [`language_fennel`](plugins/language_fennel.lua?raw=1) | Syntax for the [fennel](https://fennel-lang.org) programming language
 [`language_gdscript`](plugins/language_gdscript.lua?raw=1) | Syntax for the [Godot Engine](https://godotengine.org/)'s GDScript scripting language
+[`language_cpp`](plugins/language_glsl.lua?raw=1) | Syntax for the [GLSL](https://www.khronos.org/registry/OpenGL/specs/gl/) programming language. Also highlights commonly-used HLSL keywords, to easily detect mistypes or copy-pasting mistakes between languages.
 [`language_go`](plugins/language_go.lua?raw=1) | Syntax for the [Go](https://golang.org/) programming language
+[`language_cpp`](plugins/language_hlsl.lua?raw=1) | Syntax for the [HLSL](https://docs.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl) programming language. Also highlights commonly-used GLSL keywords, to easily detect mistypes or copy-pasting mistakes between languages.
 [`language_hs`](plugins/language_hs.lua?raw=1) | Syntax for the [Haskell](https://www.haskell.org/) programming language
 [`language_jiyu`](plugins/language_jiyu.lua?raw=1) | Syntax for the [jiyu](https://github.com/machinamentum/jiyu) programming language
 [`language_odin`](plugins/language_odin.lua?raw=1) | Syntax for the [Odin](https://github.com/odin-lang/Odin) programming language
diff --git a/plugins/language_glsl.lua b/plugins/language_glsl.lua
new file mode 100644
index 0000000..f8983d4
--- /dev/null
+++ b/plugins/language_glsl.lua
@@ -0,0 +1,484 @@
+
+local style = require "core.style"
+local common = require "core.common"
+
+style.syntax["forbiddenbuiltin"] = { common.color "#ee0000" }
+style.syntax["builtin"] = { common.color "#77eecc" }
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = { "%.glsl$", "%.frag$", "%.vert$", },
+  comment = "//",
+  patterns = {
+    { pattern = "//.-\n",               type = "comment"  },
+    { pattern = { "/%*", "%*/" },       type = "comment"  },
+    { pattern = { "#", "[^\\]\n" },     type = "comment"  },
+    { pattern = { '"', '"', '\\' },     type = "string"   },
+    { pattern = { "'", "'", '\\' },     type = "string"   },
+    { pattern = "-?0x%x+",              type = "number"   },
+    { pattern = "-?%d+[%d%.eE]*f?",     type = "number"   },
+    { pattern = "-?%.?%d+f?",           type = "number"   },
+    { pattern = "[%+%-=/%*%^%%<>!~|&]", type = "operator" },
+
+    { pattern = "int[1-9]x[1-9]",       type = "forbiddenbuiltin" },
+    { pattern = "int1[0-6]x[1-9]",      type = "forbiddenbuiltin" },
+    { pattern = "int[1-9]x1[0-6]",      type = "forbiddenbuiltin" },
+    { pattern = "int1[0-6]x1[0-6]",     type = "forbiddenbuiltin" },
+    { pattern = "int[1-4]",             type = "forbiddenbuiltin" },
+
+    { pattern = "uint[1-9]x[1-9]",      type = "forbiddenbuiltin" },
+    { pattern = "uint1[0-6]x[1-9]",     type = "forbiddenbuiltin" },
+    { pattern = "uint[1-9]x1[0-6]",     type = "forbiddenbuiltin" },
+    { pattern = "uint1[0-6]x1[0-6]",    type = "forbiddenbuiltin" },
+    { pattern = "uint[1-4]",            type = "forbiddenbuiltin" },
+
+    { pattern = "dword[1-9]x[1-9]",     type = "forbiddenbuiltin" },
+    { pattern = "dword1[0-6]x[1-9]",    type = "forbiddenbuiltin" },
+    { pattern = "dword[1-9]x1[0-6]",    type = "forbiddenbuiltin" },
+    { pattern = "dword1[0-6]x1[0-6]",   type = "forbiddenbuiltin" },
+    { pattern = "dword[1-4]",           type = "forbiddenbuiltin" },
+
+    { pattern = "half[1-9]x[1-9]",      type = "forbiddenbuiltin" },
+    { pattern = "half1[0-6]x[1-9]",     type = "forbiddenbuiltin" },
+    { pattern = "half[1-9]x1[0-6]",     type = "forbiddenbuiltin" },
+    { pattern = "half1[0-6]x1[0-6]",    type = "forbiddenbuiltin" },
+    { pattern = "half[1-4]",            type = "forbiddenbuiltin" },
+
+    { pattern = "float[1-9]x[1-9]",     type = "forbiddenbuiltin" },
+    { pattern = "float1[0-6]x[1-9]",    type = "forbiddenbuiltin" },
+    { pattern = "float[1-9]x1[0-6]",    type = "forbiddenbuiltin" },
+    { pattern = "float1[0-6]x1[0-6]",    type = "forbiddenbuiltin" },
+    { pattern = "float[1-4]",           type = "forbiddenbuiltin" },
+
+    { pattern = "double[1-9]x[1-9]",    type = "forbiddenbuiltin" },
+    { pattern = "double1[0-6]x[1-9]",   type = "forbiddenbuiltin" },
+    { pattern = "double[1-9]x1[0-6]",   type = "forbiddenbuiltin" },
+    { pattern = "double1[0-6]x1[0-6]",  type = "forbiddenbuiltin" },
+    { pattern = "double[1-4]",          type = "forbiddenbuiltin" },
+
+    { pattern = "ivec[2-4]",            type = "keyword2" },
+    { pattern = "bvec[2-4]",            type = "keyword2" },
+    { pattern = "uvec[2-4]",            type = "keyword2" },
+    { pattern = "vec[2-4]",             type = "keyword2" },
+    { pattern = "dmat[2-4]x[2-4]",      type = "keyword2" },
+    { pattern = "dmat[2-4]",            type = "keyword2" },
+    { pattern = "mat[2-4]x[2-4]",       type = "keyword2" },
+    { pattern = "mat[2-4]",             type = "keyword2" },
+
+    { pattern = "[%a_][%w_]*%f[(]",     type = "function" },
+    { pattern = "[%a_][%w_]*",          type = "symbol"   },
+  },
+  symbols = {
+    --https://www.khronos.org/registry/OpenGL/specs/gl/GLSLangSpec.4.60.pdf
+    --The symbols are added here in the order they appear in the spec
+    ["if"]       = "keyword",
+    ["else"]     = "keyword",
+    ["do"]       = "keyword",
+    ["while"]    = "keyword",
+    ["for"]      = "keyword",
+    ["break"]    = "keyword",
+    ["continue"] = "keyword",
+    ["return"]   = "keyword",
+    ["const"]    = "keyword",
+    ["switch"]   = "keyword",
+    ["case"]     = "keyword",
+    ["default"]  = "keyword",
+    ["const"]    = "keyword",
+    ["void"]     = "keyword",
+    ["bool"]     = "keyword2",
+    ["int"]      = "keyword2",
+    ["uint"]     = "keyword2",
+    ["float"]    = "keyword2",
+    ["double"]   = "keyword2",
+    ["true"]     = "literal",
+    ["false"]    = "literal",
+    ["NULL"]     = "literal",
+
+    ["attribute"]    = "keyword",
+    ["varying"]      = "keyword",
+    ["uniform"]      = "keyword",
+    ["buffer"]       = "keyword",
+    ["shared"]       = "keyword",
+    ["layout"]       = "keyword",
+    ["centroid"]     = "keyword",
+    ["flat"]         = "keyword",
+    ["smooth"]       = "keyword",
+    ["noperspective"]= "keyword",
+    ["patch"]        = "keyword",
+    ["sample"]       = "keyword",
+    ["in"]           = "keyword",
+    ["out"]          = "keyword",
+    ["inout"]        = "keyword",
+    ["invariant"]    = "keyword",
+    ["precise"]      = "keyword",
+    ["lowp"]         = "keyword",
+    ["mediump"]      = "keyword",
+    ["highp"]        = "keyword",
+    ["precision"]    = "keyword",
+    ["struct"]       = "keyword",
+    ["subroutine"]   = "keyword",
+
+    ["coherent"]       = "keyword",
+    ["volatile"]       = "keyword",
+    ["readonly"]       = "keyword",
+    ["writeonly"]      = "keyword",
+
+    ["sampler1D"]             = "keyword2",
+    ["sampler2D"]             = "keyword2",
+    ["sampler3D"]             = "keyword2",
+    ["samplerCube"]           = "keyword2",
+    ["sampler1DShadow"]       = "keyword2",
+    ["sampler2DShadow"]       = "keyword2",
+    ["samplerCubeShadow"]     = "keyword2",
+    ["sampler1DArray"]        = "keyword2",
+    ["sampler2DArray"]        = "keyword2",
+    ["samplerCubeArray"]      = "keyword2",
+    ["sampler1DArrayShadow"]  = "keyword2",
+    ["sampler2DArrayShadow"]  = "keyword2",
+    ["samplerCubeArrayShadow"]= "keyword2",
+    ["isampler1D"]            = "keyword2",
+    ["isampler2D"]            = "keyword2",
+    ["isampler3D"]            = "keyword2",
+    ["isamplerCube"]          = "keyword2",
+    ["sampler2DMS"]           = "keyword2",
+    ["isampler2DMS"]          = "keyword2",
+    ["usampler2DMS"]          = "keyword2",
+    ["sampler2DMSArray"]      = "keyword2",
+    ["isampler2DMSArray"]     = "keyword2",
+    ["usampler2DMSArray"]     = "keyword2",
+    ["isampler1DArray"]       = "keyword2",
+    ["isampler2DArray"]       = "keyword2",
+    ["usampler1D"]            = "keyword2",
+    ["usampler2D"]            = "keyword2",
+    ["usampler3D"]            = "keyword2",
+    ["usamplerCube"]          = "keyword2",
+    ["usampler1DArray"]       = "keyword2",
+    ["usampler2DArray"]       = "keyword2",
+    ["sampler2DRect"]         = "keyword2",
+    ["sampler2DRectShadow"]   = "keyword2",
+    ["isampler2DRect"]        = "keyword2",
+    ["usampler2DRect"]        = "keyword2",
+    ["samplerBuffer"]         = "keyword2",
+    ["isamplerBuffer"]        = "keyword2",
+    ["usamplerBuffer"]        = "keyword2",
+
+    ["image1D"]        = "keyword2",
+    ["iimage1D"]       = "keyword2",
+    ["uimage1D"]       = "keyword2",
+    ["image1DArray"]   = "keyword2",
+    ["iimage1DArray"]  = "keyword2",
+    ["uimage1DArray"]  = "keyword2",
+    ["image2D"]        = "keyword2",
+    ["iimage2D"]       = "keyword2",
+    ["uimage2D"]       = "keyword2",
+    ["image2DArray"]   = "keyword2",
+    ["iimage2DArray"]  = "keyword2",
+    ["uimage2DArray"]  = "keyword2",
+    ["image2DRect"]    = "keyword2",
+    ["iimage2DRect"]   = "keyword2",
+    ["uimage2DRect"]   = "keyword2",
+    ["image2DMS"]      = "keyword2",
+    ["iimage2DMS"]     = "keyword2",
+    ["uimage2DMS"]     = "keyword2",
+    ["image2DMSArray"] = "keyword2",
+    ["iimage2DMSArray"]= "keyword2",
+    ["uimage2DMSArray"]= "keyword2",
+    ["image3D"]        = "keyword2",
+    ["iimage3D"]       = "keyword2",
+    ["uimage3D"]       = "keyword2",
+    ["imageCube"]      = "keyword2",
+    ["iimageCube"]     = "keyword2",
+    ["uimageCube"]     = "keyword2",
+    ["imageCubeArray"] = "keyword2",
+    ["iimageCubeArray"]= "keyword2",
+    ["uimageCubeArray"]= "keyword2",
+    ["imageBuffer"]    = "keyword2",
+    ["iimageBuffer"]   = "keyword2",
+    ["uimageBuffer"]   = "keyword2",
+
+    ["atomic_uint"]    = "keyword2",
+
+    ["radians"]              = "builtin",
+    ["degrees"]              = "builtin",
+    ["sin"]                  = "builtin",
+    ["cos"]                  = "builtin",
+    ["tan"]                  = "builtin",
+    ["asin"]                 = "builtin",
+    ["acos"]                 = "builtin",
+    ["atan"]                 = "builtin",
+    ["sinh"]                 = "builtin",
+    ["cosh"]                 = "builtin",
+    ["tanh"]                 = "builtin",
+    ["asinh"]                = "builtin",
+    ["acosh"]                = "builtin",
+    ["pow"]                  = "builtin",
+    ["exp"]                  = "builtin",
+    ["exp2"]                 = "builtin",
+    ["log2"]                 = "builtin",
+    ["sqrt"]                 = "builtin",
+    ["inversesqrt"]          = "forbiddenbuiltin",
+    ["abs"]                  = "builtin",
+    ["sign"]                 = "builtin",
+    ["floor"]                = "builtin",
+    ["trunc"]                = "builtin",
+    ["round"]                = "builtin",
+    ["roundEven"]            = "builtin",
+    ["ceil"]                 = "builtin",
+    ["fract"]                = "builtin",
+    ["mod"]                  = "builtin",
+    ["modf"]                 = "builtin",
+    ["min"]                  = "builtin",
+    ["max"]                  = "builtin",
+    ["clamp"]                = "builtin",
+    ["mix"]                  = "builtin",
+    ["step"]                 = "builtin",
+    ["smoothstep"]           = "builtin",
+    ["isnan"]                = "builtin",
+    ["isinf"]                = "builtin",
+    ["floatBitsToInt"]       = "builtin",
+    ["floatBitsToUint"]      = "builtin",
+    ["intBitsToFloat"]       = "builtin",
+    ["uintBitsToFloat"]      = "builtin",
+    ["fma"]                  = "builtin",
+    ["frexp"]                = "builtin",
+    ["ldexp"]                = "builtin",
+    ["packUnorm2x16"]        = "builtin",
+    ["packSnorm2x16"]        = "builtin",
+    ["packUnorm4x8"]         = "builtin",
+    ["packSnorm4x8"]         = "builtin",
+    ["unpackUnorm2x16"]      = "builtin",
+    ["unpackSnorm2x16"]      = "builtin",
+    ["unpackUnorm4x8"]       = "builtin",
+    ["unpackSnorm4x8"]       = "builtin",
+    ["packHalf2x16"]         = "builtin",
+    ["unpackHalf2x16"]       = "builtin",
+    ["packDouble2x32"]       = "builtin",
+    ["unpackDouble2x32"]     = "builtin",
+    ["length"]               = "builtin",
+    ["distance"]             = "builtin",
+    ["dot"]                  = "builtin",
+    ["cross"]                = "builtin",
+    ["normalize"]            = "builtin",
+    ["ftransform"]           = "builtin",
+    ["faceforward"]          = "builtin",
+    ["reflect"]              = "builtin",
+    ["refract"]              = "builtin",
+    ["matrixCompMult"]       = "builtin",
+    ["outerProduct"]         = "builtin",
+    ["transpose"]            = "builtin",
+    ["determinant"]          = "builtin",
+    ["inverse"]              = "builtin",
+    ["lessThan"]             = "builtin",
+    ["lessThanEqual"]        = "builtin",
+    ["greaterThan"]          = "builtin",
+    ["greaterThanEqual"]     = "builtin",
+    ["equal"]                = "builtin",
+    ["notEqual"]             = "builtin",
+    ["any"]                  = "builtin",
+    ["all"]                  = "builtin",
+    ["not"]                  = "builtin",
+    ["uaddCarry"]            = "builtin",
+    ["usubBorrow"]           = "builtin",
+    ["umulExtended"]         = "builtin",
+    ["imulExtended"]         = "builtin",
+    ["bitfieldExtract"]      = "builtin",
+    ["bitfieldInsert"]       = "builtin",
+    ["bitfieldReverse"]      = "builtin",
+    ["bitCount"]             = "builtin",
+    ["findLSB"]              = "builtin",
+    ["findMSB"]              = "builtin",
+    ["textureSize"]          = "builtin",
+    ["textureQueryLod"]      = "builtin",
+    ["textureQueryLevels"]   = "builtin",
+    ["textureSamples"]       = "builtin",
+    ["texture"]              = "builtin",
+    ["textureProj"]          = "builtin",
+    ["textureLod"]           = "builtin",
+    ["textureOffset"]        = "builtin",
+    ["texelFetch"]           = "builtin",
+    ["texelFetchOffset"]     = "builtin",
+    ["textureProjOffset"]    = "builtin",
+    ["textureLodOffset"]     = "builtin",
+    ["textureProjLod"]       = "builtin",
+    ["textureProjLodOffset"] = "builtin",
+    ["textureGrad"]          = "builtin",
+    ["textureGradOffset"]    = "builtin",
+    ["textureProjGrad"]      = "builtin",
+    ["textureProjGradOffset"]= "builtin",
+    ["textureGather"]        = "builtin",
+    ["textureGatherOffset"]  = "builtin",
+    ["textureGatherOffsets"] = "builtin",
+
+    --Atomic Counter Functions
+    ["atomicCounterIncrement"]= "builtin",
+    ["atomicCounterDecrement"]= "builtin",
+    ["atomicCounter"]         = "builtin",
+    ["atomicCounterAdd"]      = "builtin",
+    ["atomicCounterSubtract"] = "builtin",
+    ["atomicCounterMin"]      = "builtin",
+    ["atomicCounterMax"]      = "builtin",
+    ["atomicCounterAnd"]      = "builtin",
+    ["atomicCounterOr"]       = "builtin",
+    ["atomicCounterXor"]      = "builtin",
+    ["atomicCounterExchange"] = "builtin",
+    ["atomicCounterCompSwap"] = "builtin",
+    --Atomic Memory Functions
+    ["atomicAdd"]     = "builtin",
+    ["atomicMin"]     = "builtin",
+    ["atomicMax"]     = "builtin",
+    ["atomicAnd"]     = "builtin",
+    ["atomicOr"]      = "builtin",
+    ["atomicXor"]     = "builtin",
+    ["atomicExchange"]= "builtin",
+    ["atomicCompSwap"]= "builtin",
+    --Image Functions
+    ["imageSize"]          = "builtin",
+    ["imageSamples"]       = "builtin",
+    ["imageLoad"]          = "builtin",
+    ["imageStore"]         = "builtin",
+    ["imageAtomicAdd"]     = "builtin",
+    ["imageAtomicMin"]     = "builtin",
+    ["imageAtomicMax"]     = "builtin",
+    ["imageAtomicAnd"]     = "builtin",
+    ["imageAtomicOr"]      = "builtin",
+    ["imageAtomicXor"]     = "builtin",
+    ["imageAtomicExchange"]= "builtin",
+    ["imageAtomicCompSwap"]= "builtin",
+    --Geometry Shader Functions
+    ["EmitStreamVertex"]   = "builtin",
+    ["EndStreamPrimitive"] = "builtin",
+    ["EmitVertex"]         = "builtin",
+    ["EndPrimitive"]       = "builtin",
+    --Fragment Processing Functions
+    ["dFdx"]                 = "builtin",
+    ["dFdy"]                 = "builtin",
+    ["dFdxFine"]             = "builtin",
+    ["dFdyFine"]             = "builtin",
+    ["dFdxCoarse"]           = "builtin",
+    ["dFdyCoarse"]           = "builtin",
+    ["fwidth"]               = "builtin",
+    ["fwidthFine"]           = "builtin",
+    ["fwidthCoarse"]         = "builtin",
+    ["interpolateAtCentroid"]= "builtin",
+    ["interpolateAtSample"]  = "builtin",
+    ["interpolateAtOffset"]  = "builtin",
+    --Shader Invocation Control Functions
+    ["barrier"]    = "builtin",
+    --Shader Memory Control Functions
+    ["memoryBarrier"]             = "builtin",
+    ["memoryBarrierAtomicCounter"]= "builtin",
+    ["memoryBarrierBuffer"]       = "builtin",
+    ["memoryBarrierShared"]       = "builtin",
+    ["memoryBarrierImage"]        = "builtin",
+    ["groupMemoryBarrier"]        = "builtin",
+    --Subpass-Input Functions
+    ["subpassLoad"]        = "builtin",
+    --Shader Invocation Group Functions
+    ["anyInvocation"]      = "builtin",
+    ["allInvocations"]     = "builtin",
+    ["allInvocationsEqual"]= "builtin",
+
+    --"In addition, when targeting Vulkan, the following keywords also exist:"
+    ["texture1D"]        = "builtin",
+    ["texture1DArray"]   = "builtin",
+    ["itexture1D"]       = "builtin",
+    ["itexture1DArray"]  = "builtin",
+    ["utexture1D"]       = "builtin",
+    ["utexture1DArray"]  = "builtin",
+    ["texture2D"]        = "builtin",
+    ["texture2DArray"]   = "builtin",
+    ["itexture2D"]       = "builtin",
+    ["itexture2DArray"]  = "builtin",
+    ["utexture2D"]       = "builtin",
+    ["utexture2DArray"]  = "builtin",
+    ["texture2DRect"]    = "builtin",
+    ["itexture2DRect"]   = "builtin",
+    ["utexture2DRect"]   = "builtin",
+    ["texture2DMS"]      = "builtin",
+    ["itexture2DMS"]     = "builtin",
+    ["utexture2DMS"]     = "builtin",
+    ["texture2DMSArray"] = "builtin",
+    ["itexture2DMSArray"]= "builtin",
+    ["utexture2DMSArray"]= "builtin",
+    ["texture3D"]        = "builtin",
+    ["itexture3D"]       = "builtin",
+    ["utexture3D"]       = "builtin",
+    ["textureCube"]      = "builtin",
+    ["itextureCube"]     = "builtin",
+    ["utextureCube"]     = "builtin",
+    ["textureCubeArray"] = "builtin",
+    ["itextureCubeArray"]= "builtin",
+    ["utextureCubeArray"]= "builtin",
+    ["textureBuffer"]    = "builtin",
+    ["itextureBuffer"]   = "builtin",
+    ["utextureBuffer"]   = "builtin",
+    ["sampler"]          = "keyword2",
+    ["samplerShadow"]    = "keyword2",
+    ["subpassInput"]     = "keyword2",
+    ["isubpassInput"]    = "keyword2",
+    ["usubpassInput"]    = "keyword2",
+    ["subpassInputMS"]   = "keyword2",
+    ["isubpassInputMS"]  = "keyword2",
+    ["usubpassInputMS"]  = "keyword2",
+
+    --"The  following  are  the  keywords  reserved  for  future  use.  Using  them  will  result  in  a  compile-time error:"
+    ["common"]       = "forbiddenbuiltin",
+    ["partition"]    = "forbiddenbuiltin",
+    ["active"]       = "forbiddenbuiltin",
+    ["asm"]          = "forbiddenbuiltin",
+    ["class"]        = "forbiddenbuiltin",
+    ["union"]        = "forbiddenbuiltin",
+    ["enum"]         = "forbiddenbuiltin",
+    ["typedef"]      = "forbiddenbuiltin",
+    ["template"]     = "forbiddenbuiltin",
+    ["this"]         = "forbiddenbuiltin",
+    ["resource"]     = "forbiddenbuiltin",
+    ["goto"]         = "forbiddenbuiltin",
+    ["inline"]       = "forbiddenbuiltin",
+    ["noinline"]     = "forbiddenbuiltin",
+    ["public"]       = "forbiddenbuiltin",
+    ["static"]       = "forbiddenbuiltin",
+    ["extern"]       = "forbiddenbuiltin",
+    ["external"]     = "forbiddenbuiltin",
+    ["interface"]    = "forbiddenbuiltin",
+    ["long"]         = "forbiddenbuiltin",
+    ["short"]        = "forbiddenbuiltin",
+    ["half"]         = "forbiddenbuiltin",
+    ["fixed"]        = "forbiddenbuiltin",
+    ["unsigned"]     = "forbiddenbuiltin",
+    ["superp"]       = "forbiddenbuiltin",
+    ["input"]        = "forbiddenbuiltin",
+    ["output"]       = "forbiddenbuiltin",
+    ["hvec2"]        = "forbiddenbuiltin",
+    ["hvec3"]        = "forbiddenbuiltin",
+    ["hvec4"]        = "forbiddenbuiltin",
+    ["fvec2"]        = "forbiddenbuiltin",
+    ["fvec3"]        = "forbiddenbuiltin",
+    ["fvec4"]        = "forbiddenbuiltin",
+    ["filter"]       = "forbiddenbuiltin",
+    ["sizeof"]       = "forbiddenbuiltin",
+    ["cast"]         = "forbiddenbuiltin",
+    ["namespace"]    = "forbiddenbuiltin",
+    ["using"]        = "forbiddenbuiltin",
+    ["sampler3DRect"]= "forbiddenbuiltin",
+
+    --common symbols in HLSL that don't exist in GLSL
+    ["frac"]        = "forbiddenbuiltin",
+    ["lerp"]        = "forbiddenbuiltin",
+    ["mul"]         = "forbiddenbuiltin",
+    ["min16float"]  = "forbiddenbuiltin",
+    ["min10float"]  = "forbiddenbuiltin",
+    ["min16int"]    = "forbiddenbuiltin",
+    ["min12int"]    = "forbiddenbuiltin",
+    ["min16uint"]   = "forbiddenbuiltin",
+    ["rsqrt"]       = "forbiddenbuiltin",
+    ["ddx"]         = "forbiddenbuiltin",
+    ["ddx_coarse"]  = "forbiddenbuiltin",
+    ["ddx_fine"]    = "forbiddenbuiltin",
+    ["ddy"]         = "forbiddenbuiltin",
+    ["ddy_coarse"]  = "forbiddenbuiltin",
+    ["ddy_fine"]    = "forbiddenbuiltin",
+
+  },
+}
+
diff --git a/plugins/language_hlsl.lua b/plugins/language_hlsl.lua
new file mode 100644
index 0000000..a7a4375
--- /dev/null
+++ b/plugins/language_hlsl.lua
@@ -0,0 +1,297 @@
+
+local style = require "core.style"
+local common = require "core.common"
+
+style.syntax["forbiddenbuiltin"] = { common.color "#ee0000" }
+style.syntax["builtin"] = { common.color "#77eecc" }
+local syntax = require "core.syntax"
+
+syntax.add {
+  files = { "%.hlsl$", },
+  comment = "//",
+  patterns = {
+    { pattern = "//.-\n",               type = "comment"  },
+    { pattern = { "/%*", "%*/" },       type = "comment"  },
+    { pattern = { "#", "[^\\]\n" },     type = "comment"  },
+    { pattern = { '"', '"', '\\' },     type = "string"   },
+    { pattern = { "'", "'", '\\' },     type = "string"   },
+    { pattern = "-?0x%x+",              type = "number"   },
+    { pattern = "-?%d+[%d%.eE]*f?",     type = "number"   },
+    { pattern = "-?%.?%d+f?",           type = "number"   },
+    { pattern = "[%+%-=/%*%^%%<>!~|&]", type = "operator" },
+
+    { pattern = "int[1-9]x[1-9]",       type = "keyword2" },
+    { pattern = "int1[0-6]x[1-9]",      type = "keyword2" },
+    { pattern = "int[1-9]x1[0-6]",      type = "keyword2" },
+    { pattern = "int1[0-6]x1[0-6]",     type = "keyword2" },
+    { pattern = "int[1-4]",             type = "keyword2" },
+
+    { pattern = "uint[1-9]x[1-9]",      type = "keyword2" },
+    { pattern = "uint1[0-6]x[1-9]",     type = "keyword2" },
+    { pattern = "uint[1-9]x1[0-6]",     type = "keyword2" },
+    { pattern = "uint1[0-6]x1[0-6]",    type = "keyword2" },
+    { pattern = "uint[1-4]",            type = "keyword2" },
+
+    { pattern = "dword[1-9]x[1-9]",     type = "keyword2" },
+    { pattern = "dword1[0-6]x[1-9]",    type = "keyword2" },
+    { pattern = "dword[1-9]x1[0-6]",    type = "keyword2" },
+    { pattern = "dword1[0-6]x1[0-6]",   type = "keyword2" },
+    { pattern = "dword[1-4]",           type = "keyword2" },
+
+    { pattern = "half[1-9]x[1-9]",      type = "keyword2" },
+    { pattern = "half1[0-6]x[1-9]",     type = "keyword2" },
+    { pattern = "half[1-9]x1[0-6]",     type = "keyword2" },
+    { pattern = "half1[0-6]x1[0-6]",    type = "keyword2" },
+    { pattern = "half[1-4]",            type = "keyword2" },
+
+    { pattern = "float[1-9]x[1-9]",     type = "keyword2" },
+    { pattern = "float1[0-6]x[1-9]",    type = "keyword2" },
+    { pattern = "float[1-9]x1[0-6]",    type = "keyword2" },
+    { pattern = "float1[0-6]x1[0-6]",   type = "keyword2" },
+    { pattern = "float[1-4]",           type = "keyword2" },
+
+    { pattern = "double[1-9]x[1-9]",    type = "keyword2" },
+    { pattern = "double1[0-6]x[1-9]",   type = "keyword2" },
+    { pattern = "double[1-9]x1[0-6]",   type = "keyword2" },
+    { pattern = "double1[0-6]x1[0-6]",  type = "keyword2" },
+    { pattern = "double[1-4]",          type = "keyword2" },
+
+    { pattern = "ivec[2-4]",            type = "forbiddenbuiltin" },
+    { pattern = "bvec[2-4]",            type = "forbiddenbuiltin" },
+    { pattern = "uvec[2-4]",            type = "forbiddenbuiltin" },
+    { pattern = "vec[2-4]",             type = "forbiddenbuiltin" },
+    { pattern = "dmat[2-4]x[2-4]",      type = "forbiddenbuiltin" },
+    { pattern = "dmat[2-4]",            type = "forbiddenbuiltin" },
+    { pattern = "mat[2-4]x[2-4]",       type = "forbiddenbuiltin" },
+    { pattern = "mat[2-4]",             type = "forbiddenbuiltin" },
+
+    { pattern = "[%a_][%w_]*%f[(]",     type = "function" },
+    { pattern = "[%a_][%w_]*",          type = "symbol"   },
+  },
+  symbols = {
+    --https://docs.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-appendix-keywords
+    --The symbols are added in the order they appear on this webpage, which is alphabetically
+    ["AppendStructuredBuffer"]= "keyword",
+    ["asm"]              = "keyword",
+    ["asm_fragment"]     = "keyword",
+    ["BlendState"]       = "keyword2",
+    ["bool"]             = "keyword2",
+    ["break"]            = "keyword",
+    ["Buffer"]           = "keyword2",
+    ["ByteAddressBuffer"]= "keyword2",
+    ["case"]             = "keyword",
+    ["cbuffer"]          = "keyword2",
+    ["centroid"]         = "keyword2",
+    ["class"]            = "keyword",
+    ["column_major"]     = "keyword",
+    ["compile"]          = "keyword",
+    ["compile_fragment"] = "keyword",
+    ["CompileShader"]    = "keyword",
+    ["const"]            = "keyword",
+    ["continue"]         = "keyword",
+    ["ComputeShader"]    = "keyword",
+    ["ConsumeStructuredBuffer"]= "keyword",
+    ["default"]          = "keyword",
+    ["DepthStencilState"]= "keyword",
+    ["DepthStencilView"] = "keyword",
+    ["discard"]          = "keyword",
+    ["do"]               = "keyword",
+    ["double"]           = "keyword2",
+    ["DomainShader"]     = "keyword2",
+    ["dword"]            = "keyword2",
+    ["else"]             = "keyword",
+    ["export"]           = "keyword",
+    ["extern"]           = "keyword",
+    ["false"]            = "literal",
+    ["float"]            = "keyword2",
+    ["for"]              = "keyword",
+    ["fxgroup"]          = "keyword2",
+    ["GeometryShader"]   = "keyword2",
+    ["groupshared"]      = "keyword",
+    ["half"]             = "keyword2",
+    ["HullShader"]       = "keyword2",
+    ["if"]               = "keyword",
+    ["in"]               = "keyword",
+    ["inline"]           = "keyword",
+    ["inout"]            = "keyword",
+    ["InputPatch"]       = "keyword2",
+    ["int"]              = "keyword2",
+    ["interface"]        = "keyword",
+    ["line"]             = "keyword2",
+    ["lineadj"]          = "keyword2",
+    ["linear"]           = "keyword",
+    ["LineStream"]       = "keyword2",
+    ["matrix"]           = "keyword2",
+    ["min16float"]       = "keyword2",
+    ["min10float"]       = "keyword2",
+    ["min16int"]         = "keyword2",
+    ["min12int"]         = "keyword2",
+    ["min16uint"]        = "keyword2",
+    ["namespace"]        = "keyword",
+    ["nointerpolation"]  = "keyword",
+    ["noperspective"]    = "keyword",
+    ["NULL"]             = "literal",
+    ["out"]              = "keyword",
+    ["OutputPatch"]      = "keyword2",
+    ["packoffset"]       = "keyword",
+    ["pass"]             = "keyword",
+    ["pixelfragment"]    = "keyword",
+    ["PixelShader"]      = "keyword2",
+    ["point"]            = "keyword2",
+    ["PointStream"]      = "keyword2",
+    ["precise"]          = "keyword",
+    ["RasterizerState"]  = "keyword2",
+    ["RenderTargetView"] = "keyword2",
+    ["return"]           = "keyword",
+    ["register"]         = "keyword",
+    ["row_major"]        = "keyword",
+    ["RWBuffer"]         = "keyword2",
+    ["RWByteAddressBuffer"]= "keyword2",
+    ["RWStructuredBuffer"]= "keyword2",
+    ["RWTexture1D"]      = "keyword2",
+    ["RWTexture1DArray"] = "keyword2",
+    ["RWTexture2D"]      = "keyword2",
+    ["RWTexture2DArray"] = "keyword2",
+    ["RWTexture3D"]      = "keyword2",
+    ["sample"]           = "builtin",
+    ["sampler"]          = "keyword2",
+    ["SamplerState"]     = "keyword2",
+    ["SamplerComparisonState"]= "keyword2",
+    ["shared"]           = "keyword",
+    ["snorm"]            = "keyword",
+    ["stateblock"]       = "keyword",
+    ["stateblock_state"] = "keyword",
+    ["static"]           = "keyword",
+    ["string"]           = "keyword2",
+    ["struct"]           = "keyword",
+    ["switch"]           = "keyword",
+    ["StructuredBuffer"] = "keyword2",
+    ["tbuffer"]          = "keyword2",
+    ["technique"]        = "keyword2",
+    ["technique10"]      = "keyword2",
+    ["technique11"]      = "keyword2",
+    ["texture"]          = "keyword2",
+    ["Texture1D"]        = "keyword2",
+    ["Texture1DArray"]   = "keyword2",
+    ["Texture2D"]        = "keyword2",
+    ["Texture2DArray"]   = "keyword2",
+    ["Texture2DMS"]      = "keyword2",
+    ["Texture2DMSArray"] = "keyword2",
+    ["Texture3D"]        = "keyword2",
+    ["TextureCube"]      = "keyword2",
+    ["TextureCubeArray"] = "keyword2",
+    ["true"]             = "literal",
+    ["typedef"]          = "keyword",
+    ["triangle"]         = "keyword2",
+    ["triangleadj"]      = "keyword2",
+    ["TriangleStream"]   = "keyword2",
+    ["uint"]             = "keyword2",
+    ["uniform"]          = "keyword",
+    ["unorm"]            = "keyword",
+    ["unsigned"]         = "keyword",
+    ["vector"]           = "keyword2",
+    ["vertexfragment"]   = "keyword2",
+    ["VertexShader"]     = "keyword2",
+    ["void"]             = "keyword",
+    ["volatile"]         = "keyword",
+    ["while"]            = "keyword",
+
+    --https://docs.microsoft.com/en-us/windows/win32/direct3dhlsl/dx-graphics-hlsl-intrinsic-functions
+    --The symbols are added in the order they appear on this webpage, which is alphabetically
+    ["abort"]       = "builtin",
+    ["abs"]         = "builtin",
+    ["acos"]        = "builtin",
+    ["all"]         = "builtin",
+    ["any"]         = "builtin",
+    ["asdouble"]    = "builtin",
+    ["asfloat"]     = "builtin",
+    ["asin"]        = "builtin",
+    ["asint"]       = "builtin",
+    ["asuint"]      = "builtin",
+    ["atan"]        = "builtin",
+    ["atan2"]       = "builtin",
+    ["ceil"]        = "builtin",
+    ["clamp"]       = "builtin",
+    ["clip"]        = "builtin",
+    ["cos"]         = "builtin",
+    ["cosh"]        = "builtin",
+    ["countbits"]   = "builtin",
+    ["cross"]       = "builtin",
+    ["ddx"]         = "builtin",
+    ["ddx_coarse"]  = "builtin",
+    ["ddx_fine"]    = "builtin",
+    ["ddy"]         = "builtin",
+    ["ddy_coarse"]  = "builtin",
+    ["ddy_fine"]    = "builtin",
+    ["degrees"]     = "builtin",
+    ["determinant"] = "builtin",
+    ["distance"]    = "builtin",
+    ["dot"]         = "builtin",
+    ["dst"]         = "builtin",
+    ["errorf"]      = "builtin",
+    ["exp"]         = "builtin",
+    ["exp2"]        = "builtin",
+    ["f16tof32"]    = "builtin",
+    ["f32tof16"]    = "builtin",
+    ["faceforward"] = "builtin",
+    ["firstbithigh"]= "builtin",
+    ["firstbitlow"] = "builtin",
+    ["floor"]       = "builtin",
+    ["fma"]         = "builtin",
+    ["fmod"]        = "builtin",
+    ["frac"]        = "builtin",
+    ["frexp"]       = "builtin",
+    ["fwidth"]      = "builtin",
+    ["isfinite"]    = "builtin",
+    ["isinf"]       = "builtin",
+    ["isnan"]       = "builtin",
+    ["ldexp"]       = "builtin",
+    ["length"]      = "builtin",
+    ["lerp"]        = "builtin",
+    ["lit"]         = "builtin",
+    ["log"]         = "builtin",
+    ["log10"]       = "builtin",
+    ["log2"]        = "builtin",
+    ["mad"]         = "builtin",
+    ["max"]         = "builtin",
+    ["min"]         = "builtin",
+    ["modf"]        = "builtin",
+    ["msad4"]       = "builtin",
+    ["mul"]         = "builtin",
+    ["noise"]       = "builtin",
+    ["normalize"]   = "builtin",
+    ["pow"]         = "builtin",
+    ["printf"]      = "builtin",
+    ["radians"]     = "builtin",
+    ["rcp"]         = "builtin",
+    ["reflect"]     = "builtin",
+    ["refract"]     = "builtin",
+    ["reversebits"] = "builtin",
+    ["round"]       = "builtin",
+    ["rsqrt"]       = "builtin",
+    ["saturate"]    = "builtin",
+    ["sign"]        = "builtin",
+    ["sin"]         = "builtin",
+    ["sincos"]      = "builtin",
+    ["sinh"]        = "builtin",
+    ["smoothstep"]  = "builtin",
+    ["sqrt"]        = "builtin",
+    ["step"]        = "builtin",
+    ["tan"]         = "builtin",
+    ["tanh"]        = "builtin",
+    ["transpose"]   = "builtin",
+    ["trunc"]       = "builtin",
+
+    --common symbols in GLSL that don't exist in HLSL
+    ["mix"]        = "forbiddenbuiltin",
+    ["fract"]      = "forbiddenbuiltin",
+    ["inversesqrt"]= "forbiddenbuiltin",
+    ["dFdx"]       = "forbiddenbuiltin",
+    ["dFdy"]       = "forbiddenbuiltin",
+    ["dFdxFine"]   = "forbiddenbuiltin",
+    ["dFdyFine"]   = "forbiddenbuiltin",
+    ["dFdxCoarse"] = "forbiddenbuiltin",
+    ["dFdyCoarse"] = "forbiddenbuiltin",
+  },
+}
+