Exemple #1
0
func composeFloat32s(expr *ast.Expr) (funcs.Float32s, error) {
	uniq, err := prep(expr, types.LIST_FLOAT)
	if err != nil {
		return nil, err
	}
	if expr.List != nil {
		vs, err := newValues(expr.GetList().GetElems())
		if err != nil {
			return nil, err
		}
		bs := make([]funcs.Float32, len(vs))
		var ok bool
		for i := range vs {
			bs[i], ok = vs[i].(funcs.Float32)
			if !ok {
				return nil, &errExpected{types.SINGLE_FLOAT.String(), expr.String()}
			}
		}
		return funcs.NewListOfFloat32(bs), nil
	}
	values, err := newValues(expr.GetFunction().GetParams())
	if err != nil {
		return nil, err
	}
	return funcs.NewFloat32sFunc(uniq, values...)
}
Exemple #2
0
func Which(expr *ast.Expr) (types.Type, error) {
	if expr.Terminal != nil {
		term := expr.GetTerminal()
		if term.DoubleValue != nil {
			return types.SINGLE_DOUBLE, nil
		}
		if term.FloatValue != nil {
			return types.SINGLE_FLOAT, nil
		}
		if term.Int64Value != nil {
			return types.SINGLE_INT64, nil
		}
		if term.Uint64Value != nil {
			return types.SINGLE_UINT64, nil
		}
		if term.Int32Value != nil {
			return types.SINGLE_INT32, nil
		}
		if term.BoolValue != nil {
			return types.SINGLE_BOOL, nil
		}
		if term.StringValue != nil {
			return types.SINGLE_STRING, nil
		}
		if term.BytesValue != nil {
			return types.SINGLE_BYTES, nil
		}
		if term.Uint32Value != nil {
			return types.SINGLE_UINT32, nil
		}
		if term.Variable != nil {
			return term.Variable.Type, nil
		}
	}
	if expr.List != nil {
		return expr.GetList().GetType(), nil
	}
	if expr.Function != nil {
		fnc := expr.GetFunction()
		uniq, err := WhichFunc(fnc)
		if err != nil {
			return 0, err
		}
		return funcs.Out(uniq)
	}
	return 0, &errUnknownType{expr}
}