xgo/objects/compiled_module.go
Daniel Kang 3f55a6b5b0
Modules (#5)
Implement module imports
2019-01-17 01:56:05 -08:00

50 lines
1.2 KiB
Go

package objects
import (
"github.com/d5/tengo/compiler/token"
)
// CompiledModule represents a compiled module.
type CompiledModule struct {
Instructions []byte // compiled instructions
Globals map[string]int // global variable name-to-index map
}
// TypeName returns the name of the type.
func (o *CompiledModule) TypeName() string {
return "compiled-module"
}
func (o *CompiledModule) String() string {
return "<compiled-module>"
}
// BinaryOp returns another object that is the result of
// a given binary operator and a right-hand side object.
func (o *CompiledModule) BinaryOp(op token.Token, rhs Object) (Object, error) {
return nil, ErrInvalidOperator
}
// Copy returns a copy of the type.
func (o *CompiledModule) Copy() Object {
globals := make(map[string]int, len(o.Globals))
for name, index := range o.Globals {
globals[name] = index
}
return &CompiledModule{
Instructions: append([]byte{}, o.Instructions...),
Globals: globals,
}
}
// IsFalsy returns true if the value of the type is falsy.
func (o *CompiledModule) IsFalsy() bool {
return false
}
// Equals returns true if the value of the type
// is equal to the value of another object.
func (o *CompiledModule) Equals(x Object) bool {
return false
}