public override void gen(int begin, int after)
{
CurrentGenerator.Goto(after);
foreach (var item in Params.ParamList)
{
if (item is OptParam)
{
CurrentGenerator.OptParam(item as OptParam, (item as OptParam).DefaultValue, item.ParamType);
}
else
{
CurrentGenerator.Param(item, item.ParamType);
}
}
int label = CurrentGenerator.AllocLabel();
int label2 = CurrentGenerator.AllocLabel();
ExitLabel = label2;
CurrentGenerator.Label(label);
CurrentGenerator.LabelFunc(this);
Stmt.gen(begin, after);
CurrentGenerator.LabelFuncEnd(this);
CurrentGenerator.Label(ExitLabel);
//CurrentGenerator.Return(null);
}
public override void gen(int begin, int after)
{
this.after = after;
this.begin = begin;
Expr.jumping(0, after);
int label = CurrentGenerator.AllocLabel();
CurrentGenerator.Label(label); Stmt.gen(label, begin);
CurrentGenerator.Goto(begin);
}
public override void gen(int begin, int after)
{
int label1 = CurrentGenerator.AllocLabel();
int label2 = CurrentGenerator.AllocLabel();
Expr.jumping(0, label2);
CurrentGenerator.Label(label1); Stmt1.gen(label1, after); CurrentGenerator.Goto(after);
CurrentGenerator.Label(label2); Stmt2.gen(label2, after);
}
public override void jumping(int t, int f)
{
if (this == True && t != 0)
{
CurrentGenerator.Goto(t);
}
else if (this == False && f != 0)
{
CurrentGenerator.Goto(f);
}
}
public override Expr gen()
{
int f = CurrentGenerator.AllocLabel();
int a = CurrentGenerator.AllocLabel();
Temp t = new Temp(Type);
CurrentGenerator.Temp(t);
jumping(0, f);
CurrentGenerator.Set(t, Constant.True);
CurrentGenerator.Goto(a);
CurrentGenerator.Label(f);
CurrentGenerator.Set(t, Constant.False);
CurrentGenerator.Label(a);
return(t);
}
public virtual void emitjumps(Expr s, int truejump, int falsejump)
{
if (truejump != 0 && falsejump != 0)
{
CurrentGenerator.If(s, truejump);
CurrentGenerator.Goto(falsejump.ToString());
}
else if (truejump != 0)
{
CurrentGenerator.If(s, truejump);
}
else if (falsejump != 0)
{
CurrentGenerator.IfFalse(s, falsejump);
}
}
public override void gen(int begin, int after)
{
CurrentGenerator.Goto(Stmt.begin);
}