Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/parsers/wavefront/token.go

@@ -0,0 +1,46 @@
+package wavefront
+
+type Token int
+
+const (
+	// Special tokens
+	Illegal Token = iota
+	EOF
+	Ws
+
+	// Literals
+	literalBeg
+	Letter // metric name, source/point tags
+	Number
+	MinusSign
+	Underscore
+	Dot
+	Slash
+	Backslash
+	Comma
+	Delta
+	literalEnd
+
+	// Misc characters
+	Quotes
+	Equals
+	Newline
+)
+
+func isWhitespace(ch rune) bool {
+	return ch == ' ' || ch == '\t' || ch == '\n'
+}
+
+func isLetter(ch rune) bool {
+	return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')
+}
+
+func isNumber(ch rune) bool {
+	return ch >= '0' && ch <= '9'
+}
+
+func isDelta(ch rune) bool {
+	return ch == '\u2206' || ch == '\u0394'
+}
+
+var eof = rune(0)