33 lines
732 B
Go
33 lines
732 B
Go
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package vm
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import "fmt"
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// InteropFunc allows to hook into the VM.
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type InteropFunc func(vm *VM) error
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// InteropService
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type InteropService struct {
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mapping map[string]InteropFunc
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}
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// NewInteropService returns a new InteropService object.
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func NewInteropService() *InteropService {
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return &InteropService{
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mapping: map[string]InteropFunc{},
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}
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}
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// Register any API to the interop service.
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func (i *InteropService) Register(api string, fun InteropFunc) {
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i.mapping[api] = fun
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}
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// Call will invoke the service mapped to the given api.
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func (i *InteropService) Call(api []byte, vm *VM) error {
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fun, ok := i.mapping[string(api)]
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if !ok {
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return fmt.Errorf("api (%s) not in interop mapping", api)
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}
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return fun(vm)
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}
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