private void exportAllStep2ToolStripMenuItem_Click(object sender, EventArgs e)
{
FolderBrowserDialog d = new FolderBrowserDialog();
if (d.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string path = d.SelectedPath + "\\";
pb1.Maximum = Functions.Count();
pb1.Value = 0;
for (int i = 0; i < Functions.Count; i++)
{
XEXFunction f = Functions[i];
string s = "";
f = Decompiler.Step1(AsmCodeLines, f, out s);
f = Decompiler.Step2(AsmCodeLines, f, ref s);
File.WriteAllText(path + f.Name.Split('\t')[0] + ".c", s);
if (i % 77 == 0)
{
pb1.Value = i;
status.Text = "Decompiling(" + (i + 1) + "/" + Functions.Count + ")...";
Application.DoEvents();
}
}
pb1.Value = 0;
status.Text = "Ready";
Application.DoEvents();
MessageBox.Show("Done");
}
}
private void step2ToolStripMenuItem_Click(object sender, EventArgs e)
{
int n = listBox1.SelectedIndex;
if (n == -1)
{
return;
}
XEXFunction f = Functions[n];
string s = rtb2.Text;
f = Decompiler.Step2(AsmCodeLines, f, ref s);
Functions[n] = f;
rtb3.Text = s;
}
public static XEXFunction Step1(List <string> AsmCode, XEXFunction f, out string code)
{
StringBuilder sb = new StringBuilder();
List <string> lines = new List <string>();
for (int i = f.AsmCodeStart; i <= f.AsmCodeEnd; i++)
{
lines.Add(AsmCode[i]);
}
sb.AppendLine("void " + f.Name + "()");
sb.AppendLine("{");
sb.AppendLine("\t_asm");
sb.AppendLine("\t{");
//skip header
int start = 0;
for (int i = 0; i < lines.Count; i++)
{
if (lines[i].StartsWith(f.Name))
{
start = i + 1;
break;
}
}
while (lines[start].Trim().StartsWith("#") || lines[start].Trim() == "")
{
start++;
}
//insert asm
for (int i = start; i < lines.Count - 1; i++)
{
sb.Append(SimplePseudoC(lines[i]));
}
sb.AppendLine("\t}");
sb.AppendLine("}");
string result = sb.ToString();
result = result.Replace(_asmstartend, "");
code = result;
return(f);
}
private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
{
int n = listBox1.SelectedIndex;
if (n == -1)
{
return;
}
XEXFunction f = Functions[n];
rtb1.Text = "";
StringBuilder sb = new StringBuilder();
for (int i = f.AsmCodeStart; i <= f.AsmCodeEnd; i++)
{
sb.AppendLine(AsmCodeLines[i]);
}
rtb1.Text = sb.ToString();
if (midStepToolStripMenuItem.Checked)
{
treeView1.Nodes.Clear();
List <string> code = new List <string>();
for (int i = f.AsmCodeStart; i <= f.AsmCodeEnd; i++)
{
code.Add(AsmCodeLines[i]);
}
treeView1.Nodes.Add(Decompiler.MidStep(code));
}
if (step1ToolStripMenuItem.Checked)
{
string s = "";
f = Decompiler.Step1(AsmCodeLines, f, out s);
rtb2.Text = s;
if (step2ToolStripMenuItem.Checked)
{
f = Decompiler.Step2(AsmCodeLines, f, ref s);
rtb3.Text = s;
}
}
}
private void exportSingleStep1ToolStripMenuItem_Click(object sender, EventArgs e)
{
int n = listBox1.SelectedIndex;
if (n == -1)
{
return;
}
XEXFunction f = Functions[n];
string s = "";
f = Decompiler.Step1(AsmCodeLines, f, out s);
SaveFileDialog d = new SaveFileDialog();
d.Filter = "*.c|*.c";
d.FileName = f.Name + ".c";
if (d.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
File.WriteAllText(d.FileName, s);
MessageBox.Show("Done");
}
}
public static XEXFunction Step2(List <string> AsmCode, XEXFunction f, ref string code)
{
StringReader sr = new StringReader(code);
List <string> lines = new List <string>();
string line;
while ((line = sr.ReadLine()) != null)
{
lines.Add(line);
}
// simple if(){...} search
for (int i = 0; i < lines.Count; i++)
{
if (lines[i].StartsWith("\t\t"))
{
string[] parts = lines[i].Trim().Split('\t');
if (parts.Length > 0)
{
switch (parts[0].Trim().ToLower())
{
case "bne":
case "beq":
List <string> temp = new List <string>();
string[] part2 = parts[1].Trim().Split(',');
if (part2.Length == 2)
{
int pos = -1;
for (int j = i + 1; j < lines.Count; j++)
{
if (lines[j].Trim().Contains(part2[1].Trim()))
{
pos = j;
break;
}
}
if (pos != -1)
{
for (int j = 0; j < i; j++)
{
temp.Add(lines[j]);
}
temp.Add("\t}");
string compare = parts[0].Trim().ToLower();
switch (compare)
{
case "bne":
temp.Add("\tif(" + part2[0].Trim() + " != 0)");
break;
case "beq":
temp.Add("\tif(" + part2[0].Trim() + " == 0)");
break;
}
temp.Add("\t{");
temp.Add("\t_asm");
temp.Add("\t{");
for (int j = i + 1; j < pos; j++)
{
temp.Add(lines[j]);
}
temp.Add("\t}");
temp.Add("\t}");
temp.Add("\t_asm");
temp.Add("\t{");
for (int j = pos; j < lines.Count; j++)
{
temp.Add(lines[j]);
}
lines = temp;
}
}
break;
}
}
}
}
StringBuilder sb = new StringBuilder();
foreach (string l in lines)
{
sb.AppendLine(l);
}
string result = sb.ToString();
result = result.Replace(_asmstartend, "");
//tabbing in ->
sr = new StringReader(result);
lines = new List <string>();
while ((line = sr.ReadLine()) != null)
{
lines.Add(line);
}
for (int i = 0; i < lines.Count; i++)
{
if (lines[i].Trim().StartsWith("if("))
{
int start = i + 2;
int end = start;
int depth = 1;
for (int j = start; j < lines.Count; j++)
{
if (lines[j].Trim().StartsWith("{"))
{
depth++;
}
if (lines[j].Trim().StartsWith("}"))
{
depth--;
}
if (depth == 0)
{
end = j;
break;
}
}
for (int j = start; j < end; j++)
{
if (!lines[j].StartsWith("loc"))
{
lines[j] = '\t' + lines[j];
}
}
}
}
sb = new StringBuilder();
foreach (string l in lines)
{
sb.AppendLine(l);
}
code = sb.ToString();
return(f);
}
private void openASMToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog d = new OpenFileDialog();
d.Filter = "*.asm|*.asm";
if (d.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
status.Text = "Counting Assembler Code Lines...";
Application.DoEvents();
int lineCount = File.ReadLines(d.FileName).Count();
status.Text = "Loading Assembler Code Lines...";
Application.DoEvents();
pb1.Maximum = lineCount;
pb1.Value = 0;
int counter = 0;
StreamReader file = new StreamReader(d.FileName);
AsmCodeLines = new List<string>();
string line;
while ((line = file.ReadLine()) != null)
{
AsmCodeLines.Add(line);
if ((counter++) % 1000 == 0)
{
Application.DoEvents();
pb1.Value = counter;
}
}
pb1.Value = 0;
status.Text = "Finding Functions...";
Application.DoEvents();
Functions = new List<XEXFunction>();
counter = 0;
XEXFunction func = new XEXFunction();
while (counter < AsmCodeLines.Count)
{
line = AsmCodeLines[counter];
if (line.StartsWith("# =============== S U B\tR O U T\tI N E ======================================="))
{
AsmCodeLines[counter] = AsmCodeLines[counter].Replace("\t", " ");
func.AsmCodeStart = counter;
}
else if (line.StartsWith("# End of function"))
{
func.AsmCodeEnd = counter;
func.Name = line.Substring(18, line.Length - 18).Trim();
Functions.Add(func);
func = new XEXFunction();
}
if (counter++ % 1000 == 0)
{
status.Text = "Functions found : " + Functions.Count();
pb1.Value = counter;
Application.DoEvents();
}
}
pb1.Value = 0;
listBox1.Items.Clear();
counter = 0;
foreach (XEXFunction f in Functions)
listBox1.Items.Add((counter++).ToString("d8") + " : " + f.Name + " (" + (f.AsmCodeEnd - f.AsmCodeStart + 1) + " lines)");
status.Text = "Ready";
}
}
private void openASMToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog d = new OpenFileDialog();
d.Filter = "*.asm|*.asm";
if (d.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
status.Text = "Counting Assembler Code Lines...";
Application.DoEvents();
int lineCount = File.ReadLines(d.FileName).Count();
status.Text = "Loading Assembler Code Lines...";
Application.DoEvents();
pb1.Maximum = lineCount;
pb1.Value = 0;
int counter = 0;
StreamReader file = new StreamReader(d.FileName);
AsmCodeLines = new List <string>();
string line;
while ((line = file.ReadLine()) != null)
{
AsmCodeLines.Add(line);
if ((counter++) % 1000 == 0)
{
Application.DoEvents();
pb1.Value = counter;
}
}
pb1.Value = 0;
status.Text = "Finding Functions...";
Application.DoEvents();
Functions = new List <XEXFunction>();
counter = 0;
XEXFunction func = new XEXFunction();
while (counter < AsmCodeLines.Count)
{
line = AsmCodeLines[counter];
if (line.StartsWith("# =============== S U B\tR O U T\tI N E ======================================="))
{
AsmCodeLines[counter] = AsmCodeLines[counter].Replace("\t", " ");
func.AsmCodeStart = counter;
}
else if (line.StartsWith("# End of function"))
{
func.AsmCodeEnd = counter;
func.Name = line.Substring(18, line.Length - 18).Trim();
Functions.Add(func);
func = new XEXFunction();
}
if (counter++ % 1000 == 0)
{
status.Text = "Functions found : " + Functions.Count();
pb1.Value = counter;
Application.DoEvents();
}
}
pb1.Value = 0;
listBox1.Items.Clear();
counter = 0;
foreach (XEXFunction f in Functions)
{
listBox1.Items.Add((counter++).ToString("d8") + " : " + f.Name + " (" + (f.AsmCodeEnd - f.AsmCodeStart + 1) + " lines)");
}
status.Text = "Ready";
}
}
public static XEXFunction Step2(List<string> AsmCode, XEXFunction f, ref string code)
{
StringReader sr = new StringReader(code);
List<string> lines = new List<string>();
string line;
while ((line = sr.ReadLine()) != null)
lines.Add(line);
// simple if(){...} search
for (int i = 0; i < lines.Count; i++)
if (lines[i].StartsWith("\t\t"))
{
string[] parts = lines[i].Trim().Split('\t');
if (parts.Length > 0)
switch (parts[0].Trim().ToLower())
{
case "bne":
case "beq":
List<string> temp = new List<string>();
string[] part2 = parts[1].Trim().Split(',');
if (part2.Length == 2)
{
int pos = -1;
for (int j = i + 1; j < lines.Count; j++)
if (lines[j].Trim().Contains(part2[1].Trim()))
{
pos = j;
break;
}
if (pos != -1)
{
for (int j = 0; j < i; j++)
temp.Add(lines[j]);
temp.Add("\t}");
string compare = parts[0].Trim().ToLower();
switch (compare)
{
case "bne":
temp.Add("\tif(" + part2[0].Trim() + " != 0)");
break;
case "beq":
temp.Add("\tif(" + part2[0].Trim() + " == 0)");
break;
}
temp.Add("\t{");
temp.Add("\t_asm");
temp.Add("\t{");
for (int j = i + 1; j < pos; j++)
temp.Add(lines[j]);
temp.Add("\t}");
temp.Add("\t}");
temp.Add("\t_asm");
temp.Add("\t{");
for (int j = pos; j < lines.Count; j++)
temp.Add(lines[j]);
lines = temp;
}
}
break;
}
}
StringBuilder sb = new StringBuilder();
foreach (string l in lines)
sb.AppendLine(l);
string result = sb.ToString();
result = result.Replace(_asmstartend, "");
//tabbing in ->
sr = new StringReader(result);
lines = new List<string>();
while ((line = sr.ReadLine()) != null)
lines.Add(line);
for(int i=0;i<lines.Count;i++)
if (lines[i].Trim().StartsWith("if("))
{
int start = i + 2;
int end = start;
int depth = 1;
for (int j = start; j < lines.Count; j++)
{
if (lines[j].Trim().StartsWith("{"))
depth++;
if (lines[j].Trim().StartsWith("}"))
depth--;
if (depth == 0)
{
end = j;
break;
}
}
for (int j = start; j < end; j++)
if (!lines[j].StartsWith("loc"))
lines[j] = '\t' + lines[j];
}
sb = new StringBuilder();
foreach (string l in lines)
sb.AppendLine(l);
code = sb.ToString();
return f;
}
public static XEXFunction Step1(List<string> AsmCode, XEXFunction f, out string code)
{
StringBuilder sb = new StringBuilder();
List<string> lines = new List<string>();
for (int i = f.AsmCodeStart; i <= f.AsmCodeEnd; i++)
lines.Add(AsmCode[i]);
sb.AppendLine("void " + f.Name + "()");
sb.AppendLine("{");
sb.AppendLine("\t_asm");
sb.AppendLine("\t{");
//skip header
int start = 0;
for(int i=0;i<lines.Count;i++)
if (lines[i].StartsWith(f.Name))
{
start = i+1;
break;
}
while (lines[start].Trim().StartsWith("#") || lines[start].Trim() == "")
start++;
//insert asm
for (int i = start; i < lines.Count - 1; i++)
sb.Append(SimplePseudoC(lines[i]));
sb.AppendLine("\t}");
sb.AppendLine("}");
string result = sb.ToString();
result = result.Replace(_asmstartend, "");
code = result;
return f;
}
