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Hooks can now quit the vm

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This commit is contained in:
obscuren 2014-05-27 13:32:31 +02:00
parent aba3066658
commit 4eb1771e67
2 changed files with 4 additions and 2 deletions
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2
ethchain/closure.go
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@ -72,7 +72,7 @@ func (c *Closure) Address() []byte {
return c.object.Address()
}
type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject)
type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
func (c *Closure) Call(vm *Vm, args []byte, hook DebugHook) ([]byte, error) {
c.Args = args

4
ethchain/vm.go
View File

@ -543,7 +543,9 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
pc.Add(pc, ethutil.Big1)
if hook != nil {
hook(step-1, op, mem, stack, closure.Object())
if !hook(step-1, op, mem, stack, closure.Object()) {
return nil, nil
}
}
}
}