46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
package objects
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import (
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"github.com/d5/tengo/compiler/token"
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)
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// Closure represents a function closure.
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type Closure struct {
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Fn *CompiledFunction
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Free []*ObjectPtr
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}
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// TypeName returns the name of the type.
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func (o *Closure) TypeName() string {
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return "closure"
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}
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func (o *Closure) String() string {
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return "<closure>"
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}
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// BinaryOp returns another object that is the result of
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// a given binary operator and a right-hand side object.
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func (o *Closure) BinaryOp(op token.Token, rhs Object) (Object, error) {
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return nil, ErrInvalidOperator
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}
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// Copy returns a copy of the type.
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func (o *Closure) Copy() Object {
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return &Closure{
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Fn: o.Fn.Copy().(*CompiledFunction),
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Free: append([]*ObjectPtr{}, o.Free...), // DO NOT Copy() of elements; these are variable pointers
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}
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}
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// IsFalsy returns true if the value of the type is falsy.
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func (o *Closure) IsFalsy() bool {
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return false
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}
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// Equals returns true if the value of the type
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// is equal to the value of another object.
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func (o *Closure) Equals(x Object) bool {
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return false
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}
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