func composeBool(expr *ast.Expr) (funcs.Bool, error) { uniq, err := prep(expr, types.SINGLE_BOOL) if err != nil { return nil, err } if expr.Terminal != nil { if expr.GetTerminal().Variable != nil { return funcs.NewBoolVariable(), nil } else { return funcs.NewConstBool(expr.GetTerminal().GetBoolValue()), nil } } values, err := newValues(expr.GetFunction().GetParams()) if err != nil { return nil, err } return funcs.NewBoolFunc(uniq, values...) }
func composeVariable(v *ast.Variable) funcs.Variable { switch v.Type { case types.SINGLE_DOUBLE: return funcs.NewFloat64Variable() case types.SINGLE_FLOAT: return funcs.NewFloat32Variable() case types.SINGLE_INT64: return funcs.NewInt64Variable() case types.SINGLE_UINT64: return funcs.NewUint64Variable() case types.SINGLE_INT32: return funcs.NewInt32Variable() case types.SINGLE_BOOL: return funcs.NewBoolVariable() case types.SINGLE_STRING: return funcs.NewStringVariable() case types.SINGLE_BYTES: return funcs.NewBytesVariable() case types.SINGLE_UINT32: return funcs.NewUint32Variable() } panic("unreachable") }