func main() {
flag.Parse()
clog.EnableKey("PARSER")
clog.EnableKey("SCANNER")
parser := goyacc.NewN1qlParserWithDebug(*debugLevel)
reader := bufio.NewReader(os.Stdin)
for {
line, err := reader.ReadString('\n')
if err != nil {
break
}
if line == "" {
continue
}
ast, err := parser.Parse(line)
if err != nil {
clog.Error(err)
} else {
fmt.Printf("%v\n", ast)
}
}
}
func (this *FunctionCallEnableLog) Evaluate(item *dparval.Value) (*dparval.Value, error) {
// first evaluate the argument
av, err := this.Operands[0].Expr.Evaluate(item)
// the spec defines this functin to ONLY operate on numeric values
// all other types result in NULL
if err != nil {
return nil, err
}
if av.Type() == dparval.STRING {
avalue := av.Value()
switch avalue := avalue.(type) {
case string:
clog.EnableKey(avalue)
}
}
return dparval.NewValue(true), nil
}