public static bool AreEqual(Instruction x, Instruction y)
{
if (x.GetType() != y.GetType())
return false;
switch (MethodName(x.GetType().ToString()))
{
case "Debug": return (((Debug)x).Info == ((Debug)y).Info);
case "MakeGlobal": return (((MakeGlobal)x).Method == ((MakeGlobal)y).Method);
case "SectionCode": return true;
case "Add": return (AreEqual(((Add)x).Target, ((Add)y).Target) && AreEqual(((Add)x).Value, ((Add)y).Value));
case "And": return (AreEqual(((And)x).Val1, ((And)y).Val1) && AreEqual(((And)x).Val2, ((And)y).Val2));
case "Call": return (((Call)x).Name == ((Call)y).Name);
case "Comment": return (((Comment)x).Name == ((Comment)y).Name);
case "Compare": return (AreEqual(((Compare)x).Val1, ((Compare)y).Val1) && AreEqual(((Compare)x).Val2, ((Compare)y).Val2));
case "Jump": return (((Jump)x).Name == ((Jump)y).Name);
case "JumpE": return (((JumpE)x).Name == ((JumpE)y).Name);
case "JumpG": return (((JumpG)x).Name == ((JumpG)y).Name);
case "JumpGE": return (((JumpGE)x).Name == ((JumpGE)y).Name);
case "JumpL": return (((JumpL)x).Name == ((JumpL)y).Name);
case "JumpLE": return (((Jump)x).Name == ((JumpLE)y).Name);
case "JumpNE": return (((JumpNE)x).Name == ((JumpNE)y).Name);
case "Label": return (((Label)x).Method == ((Label)y).Method);
case "Lea": return (AreEqual(((Lea)x).From, ((Lea)y).From) && AreEqual(((Lea)x).To, ((Lea)y).To));
case "Leave": return true;
case "Move": return (AreEqual(((Move)x).From, ((Move)y).From) && AreEqual(((Move)x).To, ((Move)y).To));
case "Nope": return true;
case "Or": return (AreEqual(((Or)x).Val1, ((Or)y).Val1) && AreEqual(((Or)x).Val2, ((Or)y).Val2));
case "Pop": return (AreEqual(((Pop)x).Target, ((Pop)y).Target));
case "Push": return (AreEqual(((Push)x).Target, ((Push)y).Target));
case "Ret": return true;
case "Shl": return (AreEqual(((Shl)x).Target, ((Shl)y).Target) && AreEqual(((Shl)x).Value, ((Shl)y).Value));
case "Shr": return (AreEqual(((Shr)x).Target, ((Shr)y).Target) && AreEqual(((Shr)x).Value, ((Shr)y).Value));
case "Sub": return (AreEqual(((Sub)x).Target, ((Sub)y).Target) && AreEqual(((Sub)x).Value, ((Sub)y).Value));
case "Xchg": return (AreEqual(((Xchg)x).Val1, ((Xchg)y).Val1) && AreEqual(((Xchg)x).Val2, ((Xchg)y).Val2));
case "Xor": return (AreEqual(((Xor)x).Val1, ((Xor)y).Val1) && AreEqual(((Xor)x).Val2, ((Xor)y).Val2));
default: return false;
}
}
/*private void SearchConstants(ASTNode ast)
{
foreach (ASTNode node in ast.GetChildren())
{
switch (node.GetType())
{
//case Global.ASTType.STRING:
// w("define_constant_string:" + teller.ToString() + ":" + node.GetName());
// node.SetAssemblyLocation(teller);
// teller++; break;
}
SearchConstants(node);
}
}
private void SearchUnitialised(ASTNode ast)
{
}
private void SearchInitialised(ASTNode ast)
{
bool waitForAssignment = false;
foreach (ASTNode node in ast.GetChildren())
{
if (waitForAssignment)
{
if (node.GetType() == Global.ASTType.ASSIGNMENT)
{
Symbol symbol = node.GetScope().lookup(node.GetExpression1().accept(this));
switch (symbol.GetType())
{
}
}
waitForAssignment = false;
}
switch (node.GetType())
{
case Global.ASTType.VAR_DECLARATION:
if (node.GetScope().GetReference() == null)
{
waitForAssignment = true;
}
break;
}
if (!waitForAssignment)
SearchInitialised(node);
}
}
private void ExecuteFunctionCall(ASTNode node)
{
string name = node.GetName();
List<ASTNode> args = node.GetChildren();
Table scope = node.GetScope();
while (scope != null)
{
Symbol reference = scope.lookup(name);
if (reference != null) //The identifier exists in the current scope
{
if (reference.GetType() == Global.DataType.BUILTIN_FUNC) //The function is builtin
{
switch (reference.GetName())
{
case "print": ExecutePrint(node); break;
}
}
}
scope = scope.GetReference();
}
}
private void ExecutePrint(ASTNode node)
{
if (node.GetChildren()[0].GetType() == Global.ASTType.STRING)
w("call:print,constant," + node.GetChildren()[0].AssemblyLocation);
}*/
private void Add(Instruction item)
{
postfixList.Add(item);
}