57 lines
2.0 KiB
Go
57 lines
2.0 KiB
Go
package lexers
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import (
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. "github.com/alecthomas/chroma" // nolint
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)
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// Pig lexer.
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var Pig = Register(MustNewLexer(
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&Config{
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Name: "Pig",
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Aliases: []string{"pig"},
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Filenames: []string{"*.pig"},
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MimeTypes: []string{"text/x-pig"},
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CaseInsensitive: true,
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},
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Rules{
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"root": {
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{`\s+`, Text, nil},
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{`--.*`, Comment, nil},
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{`/\*[\w\W]*?\*/`, CommentMultiline, nil},
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{`\\\n`, Text, nil},
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{`\\`, Text, nil},
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{`\'(?:\\[ntbrf\\\']|\\u[0-9a-f]{4}|[^\'\\\n\r])*\'`, LiteralString, nil},
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Include("keywords"),
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Include("types"),
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Include("builtins"),
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Include("punct"),
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Include("operators"),
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{`[0-9]*\.[0-9]+(e[0-9]+)?[fd]?`, LiteralNumberFloat, nil},
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{`0x[0-9a-f]+`, LiteralNumberHex, nil},
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{`[0-9]+L?`, LiteralNumberInteger, nil},
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{`\n`, Text, nil},
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{`([a-z_]\w*)(\s*)(\()`, ByGroups(NameFunction, Text, Punctuation), nil},
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{`[()#:]`, Text, nil},
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{`[^(:#\'")\s]+`, Text, nil},
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{`\S+\s+`, Text, nil},
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},
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"keywords": {
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{`(assert|and|any|all|arrange|as|asc|bag|by|cache|CASE|cat|cd|cp|%declare|%default|define|dense|desc|describe|distinct|du|dump|eval|exex|explain|filter|flatten|foreach|full|generate|group|help|if|illustrate|import|inner|input|into|is|join|kill|left|limit|load|ls|map|matches|mkdir|mv|not|null|onschema|or|order|outer|output|parallel|pig|pwd|quit|register|returns|right|rm|rmf|rollup|run|sample|set|ship|split|stderr|stdin|stdout|store|stream|through|union|using|void)\b`, Keyword, nil},
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},
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"builtins": {
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{`(AVG|BinStorage|cogroup|CONCAT|copyFromLocal|copyToLocal|COUNT|cross|DIFF|MAX|MIN|PigDump|PigStorage|SIZE|SUM|TextLoader|TOKENIZE)\b`, NameBuiltin, nil},
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},
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"types": {
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{`(bytearray|BIGINTEGER|BIGDECIMAL|chararray|datetime|double|float|int|long|tuple)\b`, KeywordType, nil},
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},
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"punct": {
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{`[;(){}\[\]]`, Punctuation, nil},
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},
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"operators": {
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{`[#=,./%+\-?]`, Operator, nil},
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{`(eq|gt|lt|gte|lte|neq|matches)\b`, Operator, nil},
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{`(==|<=|<|>=|>|!=)`, Operator, nil},
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},
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},
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))
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