42 lines
545 B
Go
42 lines
545 B
Go
package wavefront
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type Token int
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const (
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// Special tokens
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ILLEGAL Token = iota
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EOF
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WS
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// Literals
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literal_beg
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LETTER // metric name, source/point tags
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NUMBER
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MINUS_SIGN
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UNDERSCORE
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DOT
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SLASH
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BACKSLASH
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COMMA
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literal_end
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// Misc characters
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QUOTES
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EQUALS
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NEWLINE
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)
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func isWhitespace(ch rune) bool {
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return ch == ' ' || ch == '\t' || ch == '\n'
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}
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func isLetter(ch rune) bool {
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return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')
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}
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func isNumber(ch rune) bool {
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return ch >= '0' && ch <= '9'
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}
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var eof = rune(0)
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