public void Visit(LabelCodeLine line)
{
if (line.Head[0] != '_')
{
current_function = line.Label;
size = Preprocessor.GetFunctionVarsSize(current_function);
}
MIPSCode.Add($"\n");
MIPSCode.Add($"{line.Label}:");
MIPSCode.Add($"li $t9, 0");
}
public void Visit(ClassNode node)
{
// Handle Inheritance
string @class = VariableManager.CurrentClass = node.type.Text;
Code.Add(new InherCodeLine(node.type.Text, Scope.GetType(node.type.Text).Parent.Text));
int self = VariableManager.VariableCounter = 0;
VariableManager.IncrementVariableCounter();
VariableManager.PushVariableCounter();
// Handle Methods and Properties
List <PropertyNode> properties = new List <PropertyNode>();
List <MethodNode> methods = new List <MethodNode>();
foreach (var feature in node.features)
{
if (feature is PropertyNode)
{
properties.Add(feature as PropertyNode);
}
else
{
methods.Add(feature as MethodNode);
}
}
foreach (var method in methods)
{
method.Accept(this);
}
//Begin constructor function
Code.Add(new LabelCodeLine(VariableManager.CurrentClass, "constructor"));
Code.Add(new ParamCodeLine(self));
//Call first the parent constructor function
if (VariableManager.CurrentClass != "Object")
{
Code.Add(new PushParamCodeLine(self));
LabelCodeLine label = new LabelCodeLine(node.Inherit.Text, "constructor");
Code.Add(new CallLblCodeLine(label));
Code.Add(new PopParamCodeLine(1));
}
foreach (var method in methods)
{
(string ClassName, string MethodName)label = ClassManager.GetDefinition(node.type.Text, method.id.text);
Code.Add(new AssignLblToMemCodeLine(self, new LabelCodeLine(label.ClassName, label.MethodName), ClassManager.GetOffset(node.type.Text, method.id.text)));
}
foreach (var property in properties)
{
VariableManager.PushVariableCounter();
property.Accept(this);
VariableManager.PopVariableCounter();
Code.Add(new CommentCodeLine("set attribute: " + property.formal.id.text));
Code.Add(new AssignVarToMemCodeLine(self, VariableManager.PeekVariableCounter(), ClassManager.GetOffset(node.type.Text, property.formal.id.text)));
}
Code.Add(new CommentCodeLine("set class name: " + node.type.Text));
Code.Add(new AssignStrToMemCodeLine(0, node.type.Text, 0));
Code.Add(new CommentCodeLine("set class size: " + ClassManager.GetClassSize(node.type.Text) + " words"));
Code.Add(new AssignConstToMemCodeLine(0, ClassManager.GetClassSize(node.type.Text), 1));
Code.Add(new CommentCodeLine("set class generation label"));
Code.Add(new AssignLblToMemCodeLine(0, new LabelCodeLine("_class", node.type.Text), 2));
Code.Add(new ReturnCodeLine(-1));
VariableManager.PopVariableCounter();
}
