diff options
Diffstat (limited to 'cmd/mist/debugger.go')
-rw-r--r-- | cmd/mist/debugger.go | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/cmd/mist/debugger.go b/cmd/mist/debugger.go deleted file mode 100644 index c1ab2f3f1..000000000 --- a/cmd/mist/debugger.go +++ /dev/null @@ -1,367 +0,0 @@ -/* - This file is part of go-ethereum - - go-ethereum is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - go-ethereum is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with go-ethereum. If not, see <http://www.gnu.org/licenses/>. -*/ -/** - * @authors - * Jeffrey Wilcke <i@jev.io> - */ -package main - -import ( - "fmt" - "math/big" - "strconv" - "strings" - "unicode" - - "github.com/ethereum/go-ethereum/cmd/utils" - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/state" - "github.com/ethereum/go-ethereum/vm" - "github.com/obscuren/qml" -) - -type DebuggerWindow struct { - win *qml.Window - engine *qml.Engine - lib *UiLib - - vm *vm.Vm - Db *Debugger - - state *state.StateDB -} - -func NewDebuggerWindow(lib *UiLib) *DebuggerWindow { - engine := qml.NewEngine() - component, err := engine.LoadFile(lib.AssetPath("debugger/debugger.qml")) - if err != nil { - fmt.Println(err) - - return nil - } - - win := component.CreateWindow(nil) - - w := &DebuggerWindow{engine: engine, win: win, lib: lib, vm: &vm.Vm{}} - w.Db = NewDebugger(w) - - return w -} - -func (self *DebuggerWindow) Show() { - context := self.engine.Context() - context.SetVar("dbg", self) - - go func() { - self.win.Show() - self.win.Wait() - }() -} - -func (self *DebuggerWindow) SetCode(code string) { - self.win.Set("codeText", code) -} - -func (self *DebuggerWindow) SetData(data string) { - self.win.Set("dataText", data) -} - -func (self *DebuggerWindow) SetAsm(data []byte) { - self.win.Root().Call("clearAsm") - - dis := core.Disassemble(data) - for _, str := range dis { - self.win.Root().Call("setAsm", str) - } -} - -func (self *DebuggerWindow) Compile(code string) { - var err error - script := ethutil.StringToByteFunc(code, func(s string) (ret []byte) { - ret, err = ethutil.Compile(s, true) - return - }) - - if err == nil { - self.SetAsm(script) - } -} - -// Used by QML -func (self *DebuggerWindow) AutoComp(code string) { - if self.Db.done { - self.Compile(code) - } -} - -func (self *DebuggerWindow) ClearLog() { - self.win.Root().Call("clearLog") -} - -func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) { - self.Stop() - - defer func() { - if r := recover(); r != nil { - self.Logf("compile FAULT: %v", r) - } - }() - - data := utils.FormatTransactionData(dataStr) - - var err error - script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) { - ret, err = ethutil.Compile(s, false) - return - }) - - if err != nil { - self.Logln(err) - - return - } - - var ( - gas = ethutil.Big(gasStr) - gasPrice = ethutil.Big(gasPriceStr) - value = ethutil.Big(valueStr) - // Contract addr as test address - keyPair = self.lib.eth.KeyManager().KeyPair() - ) - - statedb := self.lib.eth.ChainManager().TransState() - account := self.lib.eth.ChainManager().TransState().GetAccount(keyPair.Address()) - contract := statedb.NewStateObject([]byte{0}) - contract.SetCode(script) - contract.SetBalance(value) - - self.SetAsm(script) - - block := self.lib.eth.ChainManager().CurrentBlock() - - msg := types.NewTransactionMessage(nil, value, gas, gasPrice, data) - env := core.NewEnv(statedb, self.lib.eth.ChainManager(), msg, block) - - self.Logf("callsize %d", len(script)) - go func() { - pgas := new(big.Int).Set(gas) - ret, err := env.Call(account, contract.Address(), data, gas, gasPrice, ethutil.Big0) - - rgas := new(big.Int).Sub(pgas, gas) - tot := new(big.Int).Mul(rgas, gasPrice) - self.Logf("gas usage %v total price = %v (%v)", rgas, tot, ethutil.CurrencyToString(tot)) - if err != nil { - self.Logln("exited with errors:", err) - } else { - if len(ret) > 0 { - self.Logf("exited: % x", ret) - } else { - self.Logf("exited: nil") - } - } - - statedb.Reset() - - if !self.Db.interrupt { - self.Db.done = true - } else { - self.Db.interrupt = false - } - }() -} - -func (self *DebuggerWindow) Logf(format string, v ...interface{}) { - self.win.Root().Call("setLog", fmt.Sprintf(format, v...)) -} - -func (self *DebuggerWindow) Logln(v ...interface{}) { - str := fmt.Sprintln(v...) - self.Logf("%s", str[:len(str)-1]) -} - -func (self *DebuggerWindow) Next() { - self.Db.Next() -} - -func (self *DebuggerWindow) Continue() { - self.vm.Stepping = false - self.Next() -} - -func (self *DebuggerWindow) Stop() { - if !self.Db.done { - self.Db.Q <- true - } -} - -func (self *DebuggerWindow) ExecCommand(command string) { - if len(command) > 0 { - cmd := strings.Split(command, " ") - switch cmd[0] { - case "help": - self.Logln("Debugger commands:") - self.Logln("break, bp Set breakpoint on instruction") - self.Logln("clear [log, break, bp] Clears previous set sub-command(s)") - case "break", "bp": - if len(cmd) > 1 { - lineNo, err := strconv.Atoi(cmd[1]) - if err != nil { - self.Logln(err) - break - } - self.Db.breakPoints = append(self.Db.breakPoints, int64(lineNo)) - self.Logf("break point set on instruction %d", lineNo) - } else { - self.Logf("'%s' requires line number", cmd[0]) - } - case "clear": - if len(cmd) > 1 { - switch cmd[1] { - case "break", "bp": - self.Db.breakPoints = nil - - self.Logln("Breakpoints cleared") - case "log": - self.ClearLog() - default: - self.Logf("clear '%s' is not valid", cmd[1]) - } - } else { - self.Logln("'clear' requires sub command") - } - - default: - self.Logf("Unknown command %s", cmd[0]) - } - } -} - -type Debugger struct { - N chan bool - Q chan bool - done, interrupt bool - breakPoints []int64 - main *DebuggerWindow - win *qml.Window -} - -func NewDebugger(main *DebuggerWindow) *Debugger { - db := &Debugger{make(chan bool), make(chan bool), true, false, nil, main, main.win} - - return db -} - -type storeVal struct { - Key, Value string -} - -func (self *Debugger) Step(evm vm.VirtualMachine, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, context *vm.Context) { -} - -func (self *Debugger) BreakHook(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool { - self.main.Logln("break on instr:", pc) - - return self.halting(pc, op, mem, stack, stateObject) -} - -func (self *Debugger) StepHook(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool { - return self.halting(pc, op, mem, stack, stateObject) -} - -func (self *Debugger) SetCode(byteCode []byte) { - self.main.SetAsm(byteCode) -} - -func (self *Debugger) BreakPoints() []int64 { - return self.breakPoints -} - -func (d *Debugger) halting(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool { - d.win.Root().Call("setInstruction", pc) - d.win.Root().Call("clearMem") - d.win.Root().Call("clearStack") - d.win.Root().Call("clearStorage") - - addr := 0 - for i := 0; i+16 <= mem.Len(); i += 16 { - dat := mem.Data()[i : i+16] - var str string - - for _, d := range dat { - if unicode.IsGraphic(rune(d)) { - str += string(d) - } else { - str += "?" - } - } - - d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("%s % x", str, dat)}) - addr += 16 - } - - for _, val := range stack.Data() { - d.win.Root().Call("setStack", val.String()) - } - - it := stateObject.Trie().Iterator() - for it.Next() { - d.win.Root().Call("setStorage", storeVal{fmt.Sprintf("% x", it.Key), fmt.Sprintf("% x", it.Value)}) - - } - - stackFrameAt := new(big.Int).SetBytes(mem.Get(0, 32)) - psize := mem.Len() - int(new(big.Int).SetBytes(mem.Get(0, 32)).Uint64()) - d.win.Root().ObjectByName("stackFrame").Set("text", fmt.Sprintf(`<b>stack ptr</b>: %v`, stackFrameAt)) - d.win.Root().ObjectByName("stackSize").Set("text", fmt.Sprintf(`<b>stack size</b>: %d`, psize)) - d.win.Root().ObjectByName("memSize").Set("text", fmt.Sprintf(`<b>mem size</b>: %v`, mem.Len())) - -out: - for { - select { - case <-d.N: - break out - case <-d.Q: - d.interrupt = true - d.clearBuffers() - - return false - } - } - - return true -} - -func (d *Debugger) clearBuffers() { -out: - // drain - for { - select { - case <-d.N: - case <-d.Q: - default: - break out - } - } -} - -func (d *Debugger) Next() { - if !d.done { - d.N <- true - } -} |