protected override void DoEmit(EmitContext ec)
{
ec.BeginBlock(InitBlock);
foreach (var s in InitBlock.InitStatements)
{
s.Emit(ec);
}
foreach (var s in InitBlock.Statements)
{
s.Emit(ec);
}
var endLabel = ec.DefineLabel();
var contLabel = ec.DefineLabel();
ec.EmitLabel(contLabel);
ContinueExpression.Emit(ec);
ec.EmitCastToBoolean(ContinueExpression.GetEvaluatedCType(ec));
ec.Emit(OpCode.BranchIfFalse, endLabel);
LoopBody.Emit(ec);
if (NextExpression != null)
{
NextExpression.Emit(ec);
ec.Emit(OpCode.Pop);
}
ec.Emit(OpCode.Jump, contLabel);
ec.EmitLabel(endLabel);
ec.EndBlock();
}
protected override void DoEmit(EmitContext ec)
{
Left.Emit(ec);
ec.EmitCastToBoolean(Left.GetEvaluatedCType(ec));
Right.Emit(ec);
ec.EmitCastToBoolean(Right.GetEvaluatedCType(ec));
switch (Op)
{
case LogicOp.And:
ec.Emit(OpCode.LogicalAnd);
break;
case LogicOp.Or:
ec.Emit(OpCode.LogicalOr);
break;
default:
throw new NotSupportedException("Unsupported logical operator '" + Op + "'");
}
}
protected override void DoEmit(EmitContext ec)
{
var falseLabel = ec.DefineLabel();
var endLabel = ec.DefineLabel();
Condition.Emit(ec);
ec.EmitCastToBoolean(Condition.GetEvaluatedCType(ec));
ec.Emit(OpCode.BranchIfFalse, falseLabel);
TrueValue.Emit(ec);
ec.Emit(OpCode.Jump, endLabel);
ec.EmitLabel(falseLabel);
FalseValue.Emit(ec);
ec.EmitLabel(endLabel);
}
protected override void DoEmit(EmitContext ec)
{
if (IsDo)
{
throw new NotImplementedException(GetType().Name + ": Do Emit");
}
else
{
var condLabel = ec.DefineLabel();
var loopLabel = ec.DefineLabel();
var endLabel = ec.DefineLabel();
ec.EmitLabel(condLabel);
Condition.Emit(ec);
ec.EmitCastToBoolean(Condition.GetEvaluatedCType(ec));
ec.Emit(OpCode.BranchIfFalse, endLabel);
ec.EmitLabel(loopLabel);
Loop.Emit(ec);
ec.Emit(OpCode.Jump, condLabel);
ec.EmitLabel(endLabel);
}
}
protected override void DoEmit(EmitContext ec)
{
var endLabel = ec.DefineLabel();
Condition.Emit(ec);
ec.EmitCastToBoolean(Condition.GetEvaluatedCType(ec));
if (FalseStatement == null)
{
ec.Emit(OpCode.BranchIfFalse, endLabel);
TrueStatement.Emit(ec);
}
else
{
var falseLabel = ec.DefineLabel();
ec.Emit(OpCode.BranchIfFalse, falseLabel);
TrueStatement.Emit(ec);
ec.Emit(OpCode.Jump, endLabel);
ec.EmitLabel(falseLabel);
FalseStatement.Emit(ec);
}
ec.EmitLabel(endLabel);
}
