public void Emit(List <HRMCode> codes, Dictionary <string, int> vtab, CompileTimeVars ctv)
{
HashSet <int> prevBreakJmp = ctv.BreakLoopJump;
HashSet <int> prevContinueJmp = ctv.ContinueLoopJump;
ctv.BreakLoopJump = new HashSet <int>();
ctv.ContinueLoopJump = new HashSet <int>();
if (cond.IsConstantExpression)
{
if (cond.ConstantResult)
{
int jmpLab = ctv.JumpLabel++;
codes.Add(new HRMCode(HRMInstr.Lab, jmpLab));
loop.Emit(codes, vtab, ctv);
foreach (var cj in ctv.ContinueLoopJump)
{
codes.Add(new HRMCode(HRMInstr.Lab, cj));
}
codes.Add(new HRMCode(HRMInstr.Jmp, jmpLab));
foreach (var bkj in ctv.BreakLoopJump)
{
codes.Add(new HRMCode(HRMInstr.Lab, bkj));
}
}
else
{
loop.Emit(codes, vtab, ctv);
foreach (var cj in ctv.ContinueLoopJump)
{
codes.Add(new HRMCode(HRMInstr.Lab, cj));
}
foreach (var bkj in ctv.BreakLoopJump)
{
codes.Add(new HRMCode(HRMInstr.Lab, bkj));
}
}
}
else
{
//if (cond.Comparer == "==" || cond.Comparer == "!=")
// EmitEqu(codes, vtab, ctv);
//else
// EmitRel(codes, vtab, ctv);
}
ctv.BreakLoopJump = prevBreakJmp;
ctv.ContinueLoopJump = prevContinueJmp;
}
public List <HRMCode> Emit()
{
List <HRMCode> codes = new List <HRMCode>();
block.Emit(codes, varTab, ctv);
return(codes);
}
public void Emit(List <HRMCode> codes, Dictionary <string, int> vtab, CompileTimeVars ctv)
{
if (cond.IsConstantExpression)
{
if (cond.ConstantResult)
{
ifBlock?.Emit(codes, vtab, ctv);
}
else
{
elseBlock?.Emit(codes, vtab, ctv);
}
}
else if (cond.Comparer == "==" || cond.Comparer == "!=")
{
EmitEqu(codes, vtab, ctv);
}
else
{
EmitRel(codes, vtab, ctv);
}
}