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37 lines
2.0 KiB
37 lines
2.0 KiB
package g
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// GLSL lexer.
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var GLSL = internal.Register(MustNewLexer(
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&Config{
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Name: "GLSL",
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Aliases: []string{"glsl"},
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Filenames: []string{"*.vert", "*.frag", "*.geo"},
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MimeTypes: []string{"text/x-glslsrc"},
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},
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Rules{
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"root": {
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{`^#.*`, CommentPreproc, nil},
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{`//.*`, CommentSingle, nil},
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{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
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{`\+|-|~|!=?|\*|/|%|<<|>>|<=?|>=?|==?|&&?|\^|\|\|?`, Operator, nil},
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{`[?:]`, Operator, nil},
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{`\bdefined\b`, Operator, nil},
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{`[;{}(),\[\]]`, Punctuation, nil},
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{`[+-]?\d*\.\d+([eE][-+]?\d+)?`, LiteralNumberFloat, nil},
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{`[+-]?\d+\.\d*([eE][-+]?\d+)?`, LiteralNumberFloat, nil},
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{`0[xX][0-9a-fA-F]*`, LiteralNumberHex, nil},
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{`0[0-7]*`, LiteralNumberOct, nil},
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{`[1-9][0-9]*`, LiteralNumberInteger, nil},
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{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},
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{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},
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{`[a-zA-Z_]\w*`, Name, nil},
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{`\.`, Punctuation, nil},
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{`\s+`, Text, nil},
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},
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},
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))
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