turing.go

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

     1  package t
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // Turing lexer.
     9  var Turing = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:      "Turing",
    12  		Aliases:   []string{"turing"},
    13  		Filenames: []string{"*.turing", "*.tu"},
    14  		MimeTypes: []string{"text/x-turing"},
    15  	},
    16  	turingRules,
    17  ))
    18  
    19  func turingRules() Rules {
    20  	return Rules{
    21  		"root": {
    22  			{`\n`, Text, nil},
    23  			{`\s+`, Text, nil},
    24  			{`\\\n`, Text, nil},
    25  			{`%(.*?)\n`, CommentSingle, nil},
    26  			{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
    27  			{`(var|fcn|function|proc|procedure|process|class|end|record|type|begin|case|loop|for|const|union|monitor|module|handler)\b`, KeywordDeclaration, nil},
    28  			{`(all|asm|assert|bind|bits|body|break|by|cheat|checked|close|condition|decreasing|def|deferred|else|elsif|exit|export|external|flexible|fork|forward|free|get|if|implement|import|include|inherit|init|invariant|label|new|objectclass|of|opaque|open|packed|pause|pervasive|post|pre|priority|put|quit|read|register|result|seek|self|set|signal|skip|tag|tell|then|timeout|to|unchecked|unqualified|wait|when|write)\b`, Keyword, nil},
    29  			{`(true|false)\b`, KeywordConstant, nil},
    30  			{Words(``, `\b`, `addressint`, `array`, `boolean`, `char`, `int`, `int1`, `int2`, `int4`, `int8`, `nat`, `nat1`, `nat2`, `nat4`, `nat8`, `pointer`, `real`, `real4`, `real8`, `string`, `enum`), KeywordType, nil},
    31  			{`\d+i`, LiteralNumber, nil},
    32  			{`\d+\.\d*([Ee][-+]\d+)?i`, LiteralNumber, nil},
    33  			{`\.\d+([Ee][-+]\d+)?i`, LiteralNumber, nil},
    34  			{`\d+[Ee][-+]\d+i`, LiteralNumber, nil},
    35  			{`\d+(\.\d+[eE][+\-]?\d+|\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
    36  			{`\.\d+([eE][+\-]?\d+)?`, LiteralNumberFloat, nil},
    37  			{`0[0-7]+`, LiteralNumberOct, nil},
    38  			{`0[xX][0-9a-fA-F]+`, LiteralNumberHex, nil},
    39  			{`(0|[1-9][0-9]*)`, LiteralNumberInteger, nil},
    40  			{`(div|mod|rem|\*\*|=|<|>|>=|<=|not=|not|and|or|xor|=>|in|shl|shr|->|~|~=|~in|&|:=|\.\.|[\^+\-*/&#])`, Operator, nil},
    41  			{`'(\\['"\\abfnrtv]|\\x[0-9a-fA-F]{2}|\\[0-7]{1,3}|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|[^\\])'`, LiteralStringChar, nil},
    42  			{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
    43  			{`[()\[\]{}.,:]`, Punctuation, nil},
    44  			{`[^\W\d]\w*`, NameOther, nil},
    45  		},
    46  	}
    47  }
    48
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