| 135 | } |
| 136 | |
| 137 | func (vm *VM) exec(prog []byte) { |
| 138 | if len(vm.run.prog) > 0 { |
| 139 | vm.runstack = append(vm.runstack, vm.run) |
| 140 | defer func() { |
| 141 | vm.run = vm.runstack[len(vm.runstack)-1] |
| 142 | vm.runstack = vm.runstack[:len(vm.runstack)-1] |
| 143 | }() |
| 144 | } |
| 145 | vm.run.prog = prog |
| 146 | vm.run.pc = 0 |
| 147 | for vm.run.pc < int64(len(vm.run.prog)) { |
| 148 | if vm.unwinding { |
| 149 | return |
| 150 | } |
| 151 | vm.step() |
| 152 | if vm.Finalized && vm.stopAfterFinalize { |
| 153 | break |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | func (vm *VM) step() { |
| 159 | opcode, data, n, err := op.DecodeInst(vm.run.prog[vm.run.pc:]) |