public override void ExitIfStatement([NotNull] SBP.IfStatementContext context)
{
var stack = m_expressionData.PopStackLevel();
var condition = stack.Pop();
var subStatements = m_scopeStack.Peek().GetSubExpressions();
var attributes = m_scopeStack.Peek().GetAttributes();
condition = this.ResolveForGetOperation(condition);
Expression trueStatement;
if (subStatements[0].Type == ProcedureParsingScope.ScopeType.Block)
{
trueStatement = subStatements[0].GetBlockCode(); // TODO: Add some logging and stuff
}
else
{
trueStatement = subStatements[0].GetOnlyStatementCode();
}
Expression falseStatement = null;
if (subStatements.Count == 2)
{
if (subStatements[1].Type == ProcedureParsingScope.ScopeType.Block)
{
falseStatement = subStatements[1].GetBlockCode(); // TODO: Add some logging and stuff
}
else
{
falseStatement = subStatements[1].GetOnlyStatementCode();
}
}
if (condition.IsValueType && condition.DataType.Type == typeof(bool))
{
switch (subStatements.Count)
{
case 1: // Without 'else'
m_scopeStack.Peek().AddStatementCode(Expression.IfThen(condition.ExpressionCode, trueStatement));
break;
case 2: // With 'else'
m_scopeStack.Peek().AddStatementCode(Expression.IfThenElse(condition.ExpressionCode, trueStatement, falseStatement));
break;
default:
throw new NotImplementedException("This should never happen !!!");
}
}
else
{
throw new NotImplementedException("Something wrong with the condition expression.");
}
}
public override void EnterIfStatement([NotNull] SBP.IfStatementContext context)
{
this.AddEnterStatement(context);
m_expressionData.PushStackLevel("IfStatement");
}
