Method LA

query/sql/util/caseInsensitiveStream.go:43–53

LA gets the value of the symbol at offset from the current position from the underlying CharStream and converts it to either upper case or lower case.

(offset int)

// from the underlying CharStream and converts it to either upper case
// or lower case.
func (is *CaseChangingStream) LA(offset int) int {
	in := is.CharStream.LA(offset)
	if in < 0 {
		// Such as antlr.TokenEOF which is -1
		return in
	}
	if is.upper {
		return int(unicode.ToUpper(rune(in)))
	}
	return int(unicode.ToLower(rune(in)))
}