Merge branch 'develop' of github.com:ethereum/go-ethereum into develop

1 files changed, 50 insertions, 21 deletions

diff --git a/ethereal/ui/ui_lib.go b/ethereal/ui/ui_lib.go
index adba177d0..86855290f 100644
--- a/ethereal/ui/ui_lib.go
+++ b/ethereal/ui/ui_lib.go
@@ -16,6 +16,11 @@ import (
 	"strings"
 )
 
+type memAddr struct {
+	Num   string
+	Value string
+}
+
 // UI Library that has some basic functionality exposed
 type UiLib struct {
 	engine    *qml.Engine
@@ -24,6 +29,7 @@ type UiLib struct {
 	assetPath string
 	// The main application window
 	win *qml.Window
+	Db  *Debugger
 }
 
 func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
@@ -89,15 +95,11 @@ func DefaultAssetPath() string {
 	return base
 }
 
-type memAddr struct {
-	Num   string
-	Value string
-}
-
-func (ui *UiLib) DebugTx(recipient, valueStr, gasStr, gasPriceStr, data string) (string, error) {
+func (ui *UiLib) DebugTx(recipient, valueStr, gasStr, gasPriceStr, data string) {
 	state := ui.eth.BlockChain().CurrentBlock.State()
 
-	asm, err := mutan.Compile(strings.NewReader(data), false)
+	mainInput, _ := ethutil.PreProcess(data)
+	asm, err := mutan.Compile(strings.NewReader(mainInput), false)
 	if err != nil {
 		fmt.Println(err)
 	}
@@ -126,21 +128,48 @@ func (ui *UiLib) DebugTx(recipient, valueStr, gasStr, gasPriceStr, data string)
 		Diff:        block.Difficulty,
 		TxData:      nil,
 	})
-	callerClosure.Call(vm, nil, func(op ethchain.OpCode, mem *ethchain.Memory, stack *ethchain.Stack) {
-		ui.win.Root().Call("clearMem")
-		ui.win.Root().Call("clearStack")
-
-		addr := 0
-		for i := 0; i+32 <= mem.Len(); i += 32 {
-			ui.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("% x", mem.Data()[i:i+32])})
-			addr++
-		}
 
-		for _, val := range stack.Data() {
-			ui.win.Root().Call("setStack", val.String())
+	go func() {
+		callerClosure.Call(vm, nil, ui.Db.halting)
+
+		state.Reset()
+	}()
+}
+
+func (ui *UiLib) Next() {
+	ui.Db.Next()
+}
+
+type Debugger struct {
+	win *qml.Window
+	N   chan bool
+}
+
+func (d *Debugger) halting(pc int, op ethchain.OpCode, mem *ethchain.Memory, stack *ethchain.Stack) {
+	d.win.Root().Call("setInstruction", pc)
+	d.win.Root().Call("clearMem")
+	d.win.Root().Call("clearStack")
+
+	addr := 0
+	for i := 0; i+32 <= mem.Len(); i += 32 {
+		d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("% x", mem.Data()[i:i+32])})
+		addr++
+	}
+
+	for _, val := range stack.Data() {
+		d.win.Root().Call("setStack", val.String())
+	}
+
+out:
+	for {
+		select {
+		case <-d.N:
+			break out
+		default:
 		}
-	})
-	state.Reset()
+	}
+}
 
-	return "", nil
+func (d *Debugger) Next() {
+	d.N <- true
 }