public void Visit(LabelLine line)
{
if (line.Head[0] != '_')
{
current_function = line.Label;
size = annotation.FunctionVarsSize[current_function];
}
Code.Add($"\n");
Code.Add($"{line.Label}:");
Code.Add($"li $t9, 0");
}
public ConditionalJump(int conditional_var, LabelLine label)
{
Label = label;
ConditionalVar = conditional_var;
}
public void Visit(ClassNode node)
{
string cclass;
cclass = VariableManager.CurrentClass = node.TypeClass.Text;
IC.Add(new Inherit(node.TypeClass.Text, Scope.GetType(node.TypeClass.Text).Parent.Text));
//VirtualTable.DefineClass(VariableManager.CurrentClass);
int self = VariableManager.VariableCounter = 0;
VariableManager.IncrementVariableCounter();
VariableManager.PushVariableCounter();
List <AttributeNode> attributes = new List <AttributeNode>();
List <MethodNode> methods = new List <MethodNode>();
foreach (var f in node.FeatureNodes)
{
if (f is AttributeNode)
{
attributes.Add((AttributeNode)f);
}
else
{
methods.Add((MethodNode)f);
}
}
foreach (var method in methods)
{
method.Accept(this);
}
//begin constructor function
IC.Add(new LabelLine(VariableManager.CurrentClass, "constructor"));
IC.Add(new Param(self));
//calling first the parent constructor method
if (VariableManager.CurrentClass != "Object")
{
IC.Add(new PushParam(self));
LabelLine label = new LabelLine(node.TypeInherit.Text, "constructor");
IC.Add(new CallLabel(label));
IC.Add(new PopParam(1));
}
foreach (var method in methods)
{
(string, string)label = VirtualTable.GetDefinition(node.TypeClass.Text, method.Id.Text);
IC.Add(new CommentLine("set method: " + label.Item1 + "." + label.Item2));
IC.Add(new AssignmentLabelToMemory(self, new LabelLine(label.Item1, label.Item2), VirtualTable.GetOffset(node.TypeClass.Text, method.Id.Text)));
//IntermediateCode.Add(new AssignmentVariableToMemory(self, VariableManager.VariableCounter, IntermediateCode.GetVirtualTableOffset(node.TypeClass.Text, attr.Formal.Id.Text)));
}
foreach (var attr in attributes)
{
VariableManager.PushVariableCounter();
attr.Accept(this);
VariableManager.PopVariableCounter();
IC.Add(new CommentLine("set attribute: " + attr.Formal.Id.Text));
IC.Add(new AssignmentVariableToMemory(self, VariableManager.PeekVariableCounter(), VirtualTable.GetOffset(node.TypeClass.Text, attr.Formal.Id.Text)));
}
IC.Add(new CommentLine("set class name: " + node.TypeClass.Text));
IC.Add(new AssignmentStringToMemory(0, node.TypeClass.Text, 0));
IC.Add(new CommentLine("set class size: " + VirtualTable.GetSizeClass(node.TypeClass.Text) + " words"));
IC.Add(new AssignmentConstantToMemory(0, VirtualTable.GetSizeClass(node.TypeClass.Text), 1));
IC.Add(new CommentLine("set class generation label"));
IC.Add(new AssignmentLabelToMemory(0, new LabelLine("_class", node.TypeClass.Text), 2));
IC.Add(new Return(-1));
VariableManager.PopVariableCounter();
}
public GotoJump(LabelLine label)
{
Label = label;
}
