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51 lines
2.9 KiB
51 lines
2.9 KiB
package m
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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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// Matlab lexer.
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var Matlab = internal.Register(MustNewLexer(
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&Config{
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Name: "Matlab",
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Aliases: []string{"matlab"},
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Filenames: []string{"*.m"},
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MimeTypes: []string{"text/matlab"},
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},
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Rules{
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"root": {
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{`\n`, Text, nil},
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{`^!.*`, LiteralStringOther, nil},
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{`%\{\s*\n`, CommentMultiline, Push("blockcomment")},
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{`%.*$`, Comment, nil},
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{`^\s*function`, Keyword, Push("deffunc")},
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{Words(``, `\b`, `break`, `case`, `catch`, `classdef`, `continue`, `else`, `elseif`, `end`, `enumerated`, `events`, `for`, `function`, `global`, `if`, `methods`, `otherwise`, `parfor`, `persistent`, `properties`, `return`, `spmd`, `switch`, `try`, `while`), Keyword, nil},
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{`(sin|sind|sinh|asin|asind|asinh|cos|cosd|cosh|acos|acosd|acosh|tan|tand|tanh|atan|atand|atan2|atanh|sec|secd|sech|asec|asecd|asech|csc|cscd|csch|acsc|acscd|acsch|cot|cotd|coth|acot|acotd|acoth|hypot|exp|expm1|log|log1p|log10|log2|pow2|realpow|reallog|realsqrt|sqrt|nthroot|nextpow2|abs|angle|complex|conj|imag|real|unwrap|isreal|cplxpair|fix|floor|ceil|round|mod|rem|sign|airy|besselj|bessely|besselh|besseli|besselk|beta|betainc|betaln|ellipj|ellipke|erf|erfc|erfcx|erfinv|expint|gamma|gammainc|gammaln|psi|legendre|cross|dot|factor|isprime|primes|gcd|lcm|rat|rats|perms|nchoosek|factorial|cart2sph|cart2pol|pol2cart|sph2cart|hsv2rgb|rgb2hsv|zeros|ones|eye|repmat|rand|randn|linspace|logspace|freqspace|meshgrid|accumarray|size|length|ndims|numel|disp|isempty|isequal|isequalwithequalnans|cat|reshape|diag|blkdiag|tril|triu|fliplr|flipud|flipdim|rot90|find|end|sub2ind|ind2sub|bsxfun|ndgrid|permute|ipermute|shiftdim|circshift|squeeze|isscalar|isvector|ans|eps|realmax|realmin|pi|i|inf|nan|isnan|isinf|isfinite|j|why|compan|gallery|hadamard|hankel|hilb|invhilb|magic|pascal|rosser|toeplitz|vander|wilkinson)\b`, NameBuiltin, nil},
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{`\.\.\..*$`, Comment, nil},
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{`-|==|~=|<|>|<=|>=|&&|&|~|\|\|?`, Operator, nil},
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{`\.\*|\*|\+|\.\^|\.\\|\.\/|\/|\\`, Operator, nil},
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{`\[|\]|\(|\)|\{|\}|:|@|\.|,`, Punctuation, nil},
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{`=|:|;`, Punctuation, nil},
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{`(?<=[\w)\].])\'+`, Operator, nil},
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{`(\d+\.\d*|\d*\.\d+)([eEf][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
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{`\d+[eEf][+-]?[0-9]+`, LiteralNumberFloat, nil},
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{`\d+`, LiteralNumberInteger, nil},
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{`(?<![\w)\].])\'`, LiteralString, Push("string")},
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{`[a-zA-Z_]\w*`, Name, nil},
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{`.`, Text, nil},
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},
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"string": {
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{`[^\']*\'`, LiteralString, Pop(1)},
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},
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"blockcomment": {
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{`^\s*%\}`, CommentMultiline, Pop(1)},
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{`^.*\n`, CommentMultiline, nil},
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{`.`, CommentMultiline, nil},
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},
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"deffunc": {
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{`(\s*)(?:(.+)(\s*)(=)(\s*))?(.+)(\()(.*)(\))(\s*)`, ByGroups(TextWhitespace, Text, TextWhitespace, Punctuation, TextWhitespace, NameFunction, Punctuation, Text, Punctuation, TextWhitespace), Pop(1)},
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{`(\s*)([a-zA-Z_]\w*)`, ByGroups(Text, NameFunction), Pop(1)},
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},
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},
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))
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