private List <List <string> > ProcessBinaryOperator(List <List <string> > _currentCode, string _operator)
{
List <string> newLine = new List <string>();
string operand2 = constantsAndIdentifiersStack.Pop();
string operand1 = constantsAndIdentifiersStack.Pop();
newLine.Add("Dim");
string newVariableName = VariablesManager.GetNewVariable();
newLine.Add(newVariableName);
newLine.Add("As");
newLine.Add("Variant");
List <string> newLine2 = new List <string> {
newVariableName, "=", operand1, _operator, operand2
};
_currentCode.Add(newLine);
_currentCode.Add(newLine2);
constantsAndIdentifiersStack.Push(newVariableName);
return(_currentCode);
}
public List <List <string> > ConvertToBasic(List <List <string> > _rpnByLines)
{
VariablesManager.Reset();
List <string> rpn = new List <string>();
foreach (List <string> line in _rpnByLines)
{
foreach (string word in line)
{
rpn.Add(word);
}
}
List <List <string> > result = new List <List <string> >();
// Индекс элемента в rpn
int i = -1;
for (int j = 0; j < _rpnByLines.Count; ++j)
{
for (int k = 0; k < _rpnByLines[j].Count; ++k)
{
i++;
string element = rpn[i];
if (IsIdentifier(element) || IsConstant(element) || IsNumber(element))
{
constantsAndIdentifiersStack.Push(element);
continue;
}
if (element == "НФ")
{
result = ProcessFunctionBeginning(result, rpn);
}
else if (element == "КФ")
{
result = ProcessFunctionEnd(i, rpn, result);
}
else if (element == "КО")
{
result = ProcessVariableDeclaration(i, rpn, result);
}
else if (element == "УПЛ")
{
result = ProcessIfStatement(j, k, _rpnByLines, result);
}
else if (element == "БП")
{
result = ProcessUnconditionalJump(i, rpn, result);
}
else if (IsBinaryOperator(element))
{
result = ProcessBinaryOperator(result, element);
}
else if (element[element.Length - 1] == ':')
{
result.Add(new List <string> {
element
});
}
else if (element == "=")
{
result = ProcessAssignmentOperator(result);
}
}
}
return(result);
}