feat: add wgsl built-in functions to `@function.builtin` (#13479)

Co-authored-by: Nik Revenco <154856872+NikitaRevenco@users.noreply.github.com>

runtime/queries/wgsl/highlights.scm

@@ -31,8 +31,6 @@
 
 ["(" ")" "[" "]" "{" "}"] @punctuation.bracket
 
-(type_declaration ["<" ">"] @punctuation.bracket)
-
 [
   "break"
   "continue"
@@ -115,3 +113,120 @@
   (identifier) @attribute)
 
 (comment) @comment
+
+; built-in wgsl functions: https://webgpufundamentals.org/webgpu/lessons/webgpu-wgsl-function-reference.html
+(
+  (identifier) @function.builtin
+  (#any-of? @function.builtin 
+    "abs"
+    "abs"
+    "acos"
+    "acosh"
+    "all"
+    "any"
+    "arrayLength"
+    "asin"
+    "asinh"
+    "atan"
+    "atan2"
+    "atanh"
+    "atomicAdd"
+    "atomicLoad"
+    "atomicStore"
+    "bitcast"
+    "ceil"
+    "clamp"
+    "cos"
+    "cosh"
+    "countLeadingZeros"
+    "countOneBits"
+    "countTrailingZeros"
+    "cross"
+    "degrees"
+    "determinant"
+    "distance"
+    "dot"
+    "dpdx"
+    "dpdxCoarse"
+    "dpdxFine"
+    "dpdy"
+    "dpdyCoarse"
+    "dpdyFine"
+    "exp"
+    "exp2"
+    "extractBits"
+    "faceForward"
+    "firstLeadingBit"
+    "firstTrailingBit"
+    "floor"
+    "fma"
+    "fract"
+    "frexp"
+    "fwidth"
+    "fwidthCoarse"
+    "fwidthFine"
+    "gather_depth_compare"
+    "gather_x_components"
+    "insertBits"
+    "inverseSqrt"
+    "ldexp"
+    "length"
+    "log"
+    "log2"
+    "max"
+    "min"
+    "mix"
+    "modf"
+    "normalize"
+    "pack2x16float"
+    "pack2x16snorm"
+    "pack2x16unorm"
+    "pack4x8snorm"
+    "pack4x8unorm"
+    "pow"
+    "quantizeToF16"
+    "radians"
+    "reflect"
+    "refract"
+    "reverseBits"
+    "round"
+    "saturate"
+    "select"
+    "sign"
+    "sin"
+    "sinh"
+    "smoothstep"
+    "sqrt"
+    "step"
+    "storageBarrier"
+    "tan"
+    "tanh"
+    "textureDimensions"
+    "textureGather"
+    "textureGatherCompare"
+    "textureLoad"
+    "textureNumLayers"
+    "textureNumLevels"
+    "textureNumSamples"
+    "textureSample"
+    "textureSampleBaseClampToEdge"
+    "textureSampleBias"
+    "textureSampleCompare"
+    "textureSampleCompareLevel"
+    "textureSampleGrad"
+    "textureSampleLevel"
+    "textureStore"
+    "transpose"
+    "trunc"
+    "unpack2x16float"
+    "unpack2x16snorm"
+    "unpack2x16unorm"
+    "unpack4x8snorm"
+    "unpack4x8unorm"
+    "workgroupBarrier"
+    "workgroupUniformLoad"
+  )
+)
+
+(type_declaration ["<" ">"] @punctuation.bracket)
+(variable_qualifier ["<" ">"] @punctuation.bracket)