matlab.go

Documentation: github.com/alecthomas/chroma/lexers/m

     1  package m
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // Matlab lexer.
     9  var Matlab = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:      "Matlab",
    12  		Aliases:   []string{"matlab"},
    13  		Filenames: []string{"*.m"},
    14  		MimeTypes: []string{"text/matlab"},
    15  	},
    16  	matlabRules,
    17  ))
    18  
    19  func matlabRules() Rules {
    20  	return Rules{
    21  		"root": {
    22  			{`\n`, Text, nil},
    23  			{`^!.*`, LiteralStringOther, nil},
    24  			{`%\{\s*\n`, CommentMultiline, Push("blockcomment")},
    25  			{`%.*$`, Comment, nil},
    26  			{`^\s*function`, Keyword, Push("deffunc")},
    27  			{Words(``, `\b`, `break`, `case`, `catch`, `classdef`, `continue`, `else`, `elseif`, `end`, `enumerated`, `events`, `for`, `function`, `global`, `if`, `methods`, `otherwise`, `parfor`, `persistent`, `properties`, `return`, `spmd`, `switch`, `try`, `while`), Keyword, nil},
    28  			{`(sin|sind|sinh|asin|asind|asinh|cos|cosd|cosh|acos|acosd|acosh|tan|tand|tanh|atan|atand|atan2|atanh|sec|secd|sech|asec|asecd|asech|csc|cscd|csch|acsc|acscd|acsch|cot|cotd|coth|acot|acotd|acoth|hypot|exp|expm1|log|log1p|log10|log2|pow2|realpow|reallog|realsqrt|sqrt|nthroot|nextpow2|abs|angle|complex|conj|imag|real|unwrap|isreal|cplxpair|fix|floor|ceil|round|mod|rem|sign|airy|besselj|bessely|besselh|besseli|besselk|beta|betainc|betaln|ellipj|ellipke|erf|erfc|erfcx|erfinv|expint|gamma|gammainc|gammaln|psi|legendre|cross|dot|factor|isprime|primes|gcd|lcm|rat|rats|perms|nchoosek|factorial|cart2sph|cart2pol|pol2cart|sph2cart|hsv2rgb|rgb2hsv|zeros|ones|eye|repmat|rand|randn|linspace|logspace|freqspace|meshgrid|accumarray|size|length|ndims|numel|disp|isempty|isequal|isequalwithequalnans|cat|reshape|diag|blkdiag|tril|triu|fliplr|flipud|flipdim|rot90|find|end|sub2ind|ind2sub|bsxfun|ndgrid|permute|ipermute|shiftdim|circshift|squeeze|isscalar|isvector|ans|eps|realmax|realmin|pi|i|inf|nan|isnan|isinf|isfinite|j|why|compan|gallery|hadamard|hankel|hilb|invhilb|magic|pascal|rosser|toeplitz|vander|wilkinson)\b`, NameBuiltin, nil},
    29  			{`\.\.\..*$`, Comment, nil},
    30  			{`-|==|~=|<|>|<=|>=|&&|&|~|\|\|?`, Operator, nil},
    31  			{`\.\*|\*|\+|\.\^|\.\\|\.\/|\/|\\`, Operator, nil},
    32  			{`\[|\]|\(|\)|\{|\}|:|@|\.|,`, Punctuation, nil},
    33  			{`=|:|;`, Punctuation, nil},
    34  			{`(?<=[\w)\].])\'+`, Operator, nil},
    35  			{`(\d+\.\d*|\d*\.\d+)([eEf][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
    36  			{`\d+[eEf][+-]?[0-9]+`, LiteralNumberFloat, nil},
    37  			{`\d+`, LiteralNumberInteger, nil},
    38  			{`(?<![\w)\].])\'`, LiteralString, Push("string")},
    39  			{`[a-zA-Z_]\w*`, Name, nil},
    40  			{`.`, Text, nil},
    41  		},
    42  		"string": {
    43  			{`[^\']*\'`, LiteralString, Pop(1)},
    44  		},
    45  		"blockcomment": {
    46  			{`^\s*%\}`, CommentMultiline, Pop(1)},
    47  			{`^.*\n`, CommentMultiline, nil},
    48  			{`.`, CommentMultiline, nil},
    49  		},
    50  		"deffunc": {
    51  			{`(\s*)(?:(.+)(\s*)(=)(\s*))?(.+)(\()(.*)(\))(\s*)`, ByGroups(TextWhitespace, Text, TextWhitespace, Punctuation, TextWhitespace, NameFunction, Punctuation, Text, Punctuation, TextWhitespace), Pop(1)},
    52  			{`(\s*)([a-zA-Z_]\w*)`, ByGroups(Text, NameFunction), Pop(1)},
    53  		},
    54  	}
    55  }
    56
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