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Add Turing lexer

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Turing source files usually end with .t, but that clashes with Perl.
This commit is contained in:
Jagger De Leo 2019-02-02 15:42:59 -05:00 committed by Alec Thomas
parent 8fd401fe83
commit 243dad6e5b
1 changed files with 43 additions and 0 deletions
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43
lexers/t/turing.go Normal file
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package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Turing lexer.
var Turing = internal.Register(MustNewLexer(
&Config{
Name: "Turing",
Aliases: []string{"turing"},
Filenames: []string{"*.turing", "*.tu"},
MimeTypes: []string{"text/x-turing"},
},
Rules{
"root": {
{`\n`, Text, nil},
{`\s+`, Text, nil},
{`\\\n`, Text, nil},
{`%(.*?)\n`, CommentSingle, nil},
{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
{`(var|fcn|function|proc|procedure|process|class|end|record|type|begin|case|loop|for|const|union|monitor|module|handler)\b`, KeywordDeclaration, nil},
{`(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},
{`(true|false)\b`, KeywordConstant, nil},
{Words(``, `\b`, `addressint`, `array`, `boolean`, `char`, `int`, `int1`, `int2`, `int4`, `int8`, `nat`, `nat1`, `nat2`, `nat4`, `nat8`, `pointer`, `real`, `real4`, `real8`, `string`, `enum`), KeywordType, nil},
{`\d+i`, LiteralNumber, nil},
{`\d+\.\d*([Ee][-+]\d+)?i`, LiteralNumber, nil},
{`\.\d+([Ee][-+]\d+)?i`, LiteralNumber, nil},
{`\d+[Ee][-+]\d+i`, LiteralNumber, nil},
{`\d+(\.\d+[eE][+\-]?\d+|\.\d*|[eE][+\-]?\d+)`, LiteralNumberFloat, nil},
{`\.\d+([eE][+\-]?\d+)?`, LiteralNumberFloat, nil},
{`0[0-7]+`, LiteralNumberOct, nil},
{`0[xX][0-9a-fA-F]+`, LiteralNumberHex, nil},
{`(0|[1-9][0-9]*)`, LiteralNumberInteger, nil},
{`(div|mod|rem|\*\*|=|<|>|>=|<=|not=|not|and|or|xor|=>|in|shl|shr|->|~|~=|~in|&|:=|\.\.|[\^+\-*/&#])`, Operator, nil},
{`'(\\['"\\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},
{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
{`[()\[\]{}.,:]`, Punctuation, nil},
{`[^\W\d]\w*`, NameOther, nil},
},
},
))