public override void ExitReturnStatement([NotNull] SBP.ReturnStatementContext context)
{
if (context.ChildCount == 2)
{
m_scopeStack.Peek().AddStatementCode(Expression.Return(m_currentProcedure.ReturnLabel));
return;
}
if (m_currentProcedure.ReturnType == null)
{
m_errors.SymanticError(context.Start.Line, context.Start.Column, false, "Return value missing.");
return;
}
var stack = m_expressionData.PopStackLevel();
if (stack.Count == 0)
{
m_errors.InternalError(context.Start.Line, context.Start.Column, "");
return;
}
var exp = stack.Pop();
exp = this.ResolveForGetOperation(exp).NarrowGetValueType();
var code = exp.ExpressionCode;
if (exp.IsError())
{
code = Expression.Default(m_currentProcedure.ReturnType.Type);
return;
}
// If container, get the value of the container.
if (exp.ExpressionCode.Type.IsGenericType && exp.ExpressionCode.Type.GetGenericTypeDefinition() == typeof(IValueContainer <>))
{
code = Expression.Call(
code,
code.Type.GetMethod("GetTypedValue"),
Expression.Convert(Expression.Constant(null), typeof(Logging.ILogger)));
}
m_scopeStack.Peek().AddStatementCode(Expression.Return(m_currentProcedure.ReturnLabel, code));
}
public override void EnterReturnStatement([NotNull] SBP.ReturnStatementContext context)
{
this.AddEnterStatement(context);
m_expressionData.PushStackLevel("Return Statement");
}