internal override void Emit(EmitContext ec)
{
var ig = ec.ig;
var false_target = ig.DefineLabel();
var end_target = ig.DefineLabel();
test.Emit(ec);
ig.Emit(OpCodes.Brfalse, false_target);
if_true.Emit(ec);
ig.Emit(OpCodes.Br, end_target);
ig.MarkLabel(false_target);
if_false.Emit(ec);
ig.MarkLabel(end_target);
}
internal void EmitBody(EmitContext ec)
{
body.Emit(ec);
EmitPopIfNeeded(ec);
ec.ig.Emit(OpCodes.Ret);
}
void EmitNullEquality (EmitContext ec, Expression e)
{
var ig = ec.ig;
if (IsLiftedToNull) {
e.Emit (ec);
if (e.Type != typeof (void))
ig.Emit (OpCodes.Pop);
ec.EmitNullableNew (typeof (bool?));
return;
}
var se = ec.EmitStored (e);
ec.EmitNullableHasValue (se);
if (NodeType == ExpressionType.Equal) {
ig.Emit (OpCodes.Ldc_I4_0);
ig.Emit (OpCodes.Ceq);
}
}
public void Emit(Expression expression)
{
expression.Emit(this);
}
void EmitFieldAssignment(EmitContext ec, FieldInfo field, LocalBuilder local)
{
ec.EmitLoadSubject(local);
expression.Emit(ec);
ec.ig.Emit(OpCodes.Stfld, field);
}
void EmitArrayAccess(EmitContext ec)
{
left.Emit(ec);
right.Emit(ec);
ec.ig.Emit(OpCodes.Ldelem, this.Type);
}
public void EmitLoadEnum(Expression expression)
{
expression.Emit(this);
ig.Emit(OpCodes.Box, expression.Type);
}
void EmitArrayLength(EmitContext ec)
{
operand.Emit(ec);
ec.ig.Emit(OpCodes.Ldlen);
}
