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Added support for breakpoints on specific instructions

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obscuren 2014-07-02 13:08:32 +02:00
parent 315d65280b
commit e4d2d00d41
1 changed files with 13 additions and 3 deletions
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10
ethchain/vm.go
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@ -53,7 +53,10 @@ type Vm struct {
err error err error
// Debugging
Hook DebugHook Hook DebugHook
BreakPoints []int64
Stepping bool
} }
type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool type DebugHook func(step int, op OpCode, mem *Memory, stack *Stack, stateObject *StateObject) bool
@ -742,9 +745,16 @@ func (vm *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
vm.Endl() vm.Endl()
if vm.Hook != nil { if vm.Hook != nil {
for _, instrNo := range vm.BreakPoints {
if pc.Cmp(big.NewInt(instrNo)) == 0 || vm.Stepping {
vm.Stepping = true
if !vm.Hook(prevStep, op, mem, stack, closure.Object()) { if !vm.Hook(prevStep, op, mem, stack, closure.Object()) {
return nil, nil return nil, nil
} }
} }
} }
} }
}
}