blob: beefba5f9c0729e7ee95b15b033b0ba32be40c34 (
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package syntax
type ParseError struct {
Pos Position
Message string
}
func (e ParseError) Error() string { return e.Message }
func throw(pos Position, message string) {
panic(ParseError{Pos: pos, Message: message})
}
func throwExpectedFound(pos Position, expected, found string) {
throw(pos, "expected '"+expected+"', found '"+found+"'")
}
func throwUnexpectedToken(pos Position, token string) {
throw(pos, "unexpected token: "+token)
}
func newPos(begin, end int) Position {
return Position{
Begin: uint16(begin),
End: uint16(end),
}
}
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