public void FindDoWhileLoops()
{
for (int i = 0; i < this.instructionCount; i++)
{
if (this.Instructions[i].OpCode == LuaOpCode.OpCodes.HKS_OPCODE_JMP && this.Instructions[i].visited == false)
{
if (this.Instructions[i].sBx < 0 && i + this.Instructions[i].sBx >= 0)
{
if (LuaOpCode.isConditionOPCode(this, i - 1))
{
this.Instructions[i].visited = true;
}
}
}
}
}
public void FindIfStatements()
{
int lines = -1;
LuaCondition master = null;
for (int i = 0; i < this.instructionCount; i++)
{
if (this.Instructions[i].OpCode == LuaOpCode.OpCodes.HKS_OPCODE_JMP && this.Instructions[i].visited == false)
{
// Make sure the skip goes forward
if (this.Instructions[i].sBx >= 0)
{
if (LuaOpCode.isConditionOPCode(this, i - 1))
{
// Skip the while loops
if (this.Instructions[i + this.Instructions[i].sBx].OpCode == LuaOpCode.OpCodes.HKS_OPCODE_JMP && this.Instructions[i + this.Instructions[i].sBx].sBx < 0)
{
continue;
}
// OR statement
if (lines == 0)
{
this.conditions.Add(new LuaCondition(i - 1, LuaCondition.Type.If, LuaCondition.Prefix.or, master));
this.Instructions[i].visited = true;
lines--;
continue;
}
// and statement
if (lines == this.Instructions[i].sBx)
{
this.conditions.Add(new LuaCondition(i - 1, LuaCondition.Type.If, LuaCondition.Prefix.and, master));
this.Instructions[i].visited = true;
lines--;
continue;
}
master = new LuaCondition(i - 1, LuaCondition.Type.If, LuaCondition.Prefix.none);
this.conditions.Add(master);
lines = this.Instructions[i].sBx;
this.Instructions[i].visited = true;
}
}
}
lines--;
}
List <LuaCondition> newConditions = new List <LuaCondition>();
foreach (LuaCondition condition in this.conditions)
{
if (condition.master == null)
{
LuaCondition lastSon = condition;
foreach (LuaCondition conditionSon in this.conditions)
{
if (conditionSon.master == condition)
{
if (conditionSon.prefix == LuaCondition.Prefix.or)
{
if (this.Instructions[lastSon.line].A == 1)
{
this.Instructions[lastSon.line].A = 0;
}
else
{
this.Instructions[lastSon.line].A = 1;
}
}
lastSon = conditionSon;
}
}
int skipLines = this.Instructions[lastSon.line + 1].sBx;
if (this.Instructions[lastSon.line + 1 + skipLines].OpCode == LuaOpCode.OpCodes.HKS_OPCODE_JMP)
{
newConditions.Add(new LuaCondition(lastSon.line + 1 + skipLines, LuaCondition.Type.Else));
int skipElseLines = this.Instructions[lastSon.line + 1 + skipLines].sBx;
newConditions.Add(new LuaCondition(lastSon.line + 1 + skipLines + skipElseLines, LuaCondition.Type.End));
}
else
{
newConditions.Add(new LuaCondition(lastSon.line + 1 + skipLines, LuaCondition.Type.End));
}
}
}
foreach (LuaCondition condition in newConditions)
{
this.conditions.Add(condition);
}
}
