public StaticVariableInfo(TerminalName name, Static representation)
: base(name, representation)
{
}
/// <summary>
/// These label addresses aren't guaranteed correct until the final pass of the compiler
/// </summary>
public int GetLabelAddressBestEffort(TerminalName targetName)
{
var result=labelNameToAddress[targetName];
if(result==null) {
labelsHaveChanged=true;
return 0;
}
return (int)result;
}
/// <summary>
/// Mark the point in the generated code which is this label's target
/// </summary>
public void MarkLabel(TerminalName name)
{
var currentAddress=emitter.CurrentAddress;
var previousAddress=labelNameToAddress[name];
if(previousAddress!=null && (int)previousAddress!=currentAddress) {
labelsHaveChanged=true;
}
labelNameToAddress[name]=currentAddress;
Debug.Print(name+":");
}
public bool TryGetRepresentation(TerminalName refName, out Representation result)
{
result=(Representation)VariableNameToRepresentation[refName];
return result!=null;
}
public bool IsLiveLocalVariableName(TerminalName name)
{
return liveLocalVariableNames.ContainsKey(name);
}
public Representation AllocateRepresentation(TerminalName variableName)
{
return (Representation)AllocateRegisterIfPossible(null) ?? AllocateStackTemporary();
}
protected VariableInfo(TerminalName name, Representation representation)
{
this.Name=name;
this.Representation=representation;
}
public LocalVariableInfo(TerminalName name, Representation representation)
: base(name, representation)
{
}