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- package a
-
- import (
- . "github.com/alecthomas/chroma" // nolint
- "github.com/alecthomas/chroma/lexers/internal"
- )
-
- // Awk lexer.
- var Awk = internal.Register(MustNewLexer(
- &Config{
- Name: "Awk",
- Aliases: []string{"awk", "gawk", "mawk", "nawk"},
- Filenames: []string{"*.awk"},
- MimeTypes: []string{"application/x-awk"},
- },
- Rules{
- "commentsandwhitespace": {
- {`\s+`, Text, nil},
- {`#.*$`, CommentSingle, nil},
- },
- "slashstartsregex": {
- Include("commentsandwhitespace"),
- {`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/\B`, LiteralStringRegex, Pop(1)},
- {`(?=/)`, Text, Push("#pop", "badregex")},
- Default(Pop(1)),
- },
- "badregex": {
- {`\n`, Text, Pop(1)},
- },
- "root": {
- {`^(?=\s|/)`, Text, Push("slashstartsregex")},
- Include("commentsandwhitespace"),
- {`\+\+|--|\|\||&&|in\b|\$|!?~|(\*\*|[-<>+*%\^/!=|])=?`, Operator, Push("slashstartsregex")},
- {`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
- {`[})\].]`, Punctuation, nil},
- {`(break|continue|do|while|exit|for|if|else|return)\b`, Keyword, Push("slashstartsregex")},
- {`function\b`, KeywordDeclaration, Push("slashstartsregex")},
- {`(atan2|cos|exp|int|log|rand|sin|sqrt|srand|gensub|gsub|index|length|match|split|sprintf|sub|substr|tolower|toupper|close|fflush|getline|next|nextfile|print|printf|strftime|systime|delete|system)\b`, KeywordReserved, nil},
- {`(ARGC|ARGIND|ARGV|BEGIN|CONVFMT|ENVIRON|END|ERRNO|FIELDWIDTHS|FILENAME|FNR|FS|IGNORECASE|NF|NR|OFMT|OFS|ORFS|RLENGTH|RS|RSTART|RT|SUBSEP)\b`, NameBuiltin, nil},
- {`[$a-zA-Z_]\w*`, NameOther, nil},
- {`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
- {`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
- {`[0-9]+`, LiteralNumberInteger, nil},
- {`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
- {`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
- },
- },
- ))
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