81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
package objects
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import (
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"strconv"
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"github.com/d5/tengo/token"
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)
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type Float struct {
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Value float64
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}
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func (o *Float) String() string {
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return strconv.FormatFloat(o.Value, 'f', -1, 64)
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}
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func (o *Float) TypeName() string {
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return "float"
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}
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func (o *Float) BinaryOp(op token.Token, rhs Object) (Object, error) {
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switch rhs := rhs.(type) {
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case *Float:
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switch op {
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case token.Add:
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return &Float{o.Value + rhs.Value}, nil
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case token.Sub:
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return &Float{o.Value - rhs.Value}, nil
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case token.Mul:
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return &Float{o.Value * rhs.Value}, nil
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case token.Quo:
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return &Float{o.Value / rhs.Value}, nil
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case token.Less:
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return &Bool{o.Value < rhs.Value}, nil
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case token.Greater:
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return &Bool{o.Value > rhs.Value}, nil
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case token.LessEq:
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return &Bool{o.Value <= rhs.Value}, nil
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case token.GreaterEq:
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return &Bool{o.Value >= rhs.Value}, nil
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}
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case *Int:
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switch op {
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case token.Add:
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return &Float{o.Value + float64(rhs.Value)}, nil
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case token.Sub:
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return &Float{o.Value - float64(rhs.Value)}, nil
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case token.Mul:
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return &Float{o.Value * float64(rhs.Value)}, nil
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case token.Quo:
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return &Float{o.Value / float64(rhs.Value)}, nil
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case token.Less:
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return &Bool{o.Value < float64(rhs.Value)}, nil
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case token.Greater:
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return &Bool{o.Value > float64(rhs.Value)}, nil
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case token.LessEq:
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return &Bool{o.Value <= float64(rhs.Value)}, nil
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case token.GreaterEq:
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return &Bool{o.Value >= float64(rhs.Value)}, nil
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}
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}
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return nil, ErrInvalidOperator
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}
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func (o *Float) Copy() Object {
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return &Float{Value: o.Value}
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}
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func (o *Float) IsFalsy() bool {
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return false
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}
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func (o *Float) Equals(x Object) bool {
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t, ok := x.(*Float)
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if !ok {
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return false
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}
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return o.Value == t.Value
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}
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