1package g
 2
 3import (
 4	. "github.com/alecthomas/chroma" // nolint
 5	"github.com/alecthomas/chroma/lexers/internal"
 6)
 7
 8// GLSL lexer.
 9var GLSL = internal.Register(MustNewLexer(
10	&Config{
11		Name:      "GLSL",
12		Aliases:   []string{"glsl"},
13		Filenames: []string{"*.vert", "*.frag", "*.geo"},
14		MimeTypes: []string{"text/x-glslsrc"},
15	},
16	Rules{
17		"root": {
18			{`^#.*`, CommentPreproc, nil},
19			{`//.*`, CommentSingle, nil},
20			{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
21			{`\+|-|~|!=?|\*|/|%|<<|>>|<=?|>=?|==?|&&?|\^|\|\|?`, Operator, nil},
22			{`[?:]`, Operator, nil},
23			{`\bdefined\b`, Operator, nil},
24			{`[;{}(),\[\]]`, Punctuation, nil},
25			{`[+-]?\d*\.\d+([eE][-+]?\d+)?`, LiteralNumberFloat, nil},
26			{`[+-]?\d+\.\d*([eE][-+]?\d+)?`, LiteralNumberFloat, nil},
27			{`0[xX][0-9a-fA-F]*`, LiteralNumberHex, nil},
28			{`0[0-7]*`, LiteralNumberOct, nil},
29			{`[1-9][0-9]*`, LiteralNumberInteger, nil},
30			{Words(`\b`, `\b`, `attribute`, `const`, `uniform`, `varying`, `centroid`, `break`, `continue`, `do`, `for`, `while`, `if`, `else`, `in`, `out`, `inout`, `float`, `int`, `void`, `bool`, `true`, `false`, `invariant`, `discard`, `return`, `mat2`, `mat3mat4`, `mat2x2`, `mat3x2`, `mat4x2`, `mat2x3`, `mat3x3`, `mat4x3`, `mat2x4`, `mat3x4`, `mat4x4`, `vec2`, `vec3`, `vec4`, `ivec2`, `ivec3`, `ivec4`, `bvec2`, `bvec3`, `bvec4`, `sampler1D`, `sampler2D`, `sampler3DsamplerCube`, `sampler1DShadow`, `sampler2DShadow`, `struct`), Keyword, nil},
31			{Words(`\b`, `\b`, `asm`, `class`, `union`, `enum`, `typedef`, `template`, `this`, `packed`, `goto`, `switch`, `default`, `inline`, `noinline`, `volatile`, `public`, `static`, `extern`, `external`, `interface`, `long`, `short`, `double`, `half`, `fixed`, `unsigned`, `lowp`, `mediump`, `highp`, `precision`, `input`, `output`, `hvec2`, `hvec3`, `hvec4`, `dvec2`, `dvec3`, `dvec4`, `fvec2`, `fvec3`, `fvec4`, `sampler2DRect`, `sampler3DRect`, `sampler2DRectShadow`, `sizeof`, `cast`, `namespace`, `using`), Keyword, nil},
32			{`[a-zA-Z_]\w*`, Name, nil},
33			{`\.`, Punctuation, nil},
34			{`\s+`, Text, nil},
35		},
36	},
37))