//------------------------------------------------------------
public void Visit(NWhileStmt node)
{
Console.WriteLine($"+++++++++++++++ NWhileStmt ++++++++++++++++");
if (pasones == 2)
{
inloop++;
}
VisitChildren(node);
if (pasones == 2)
{
inloop--;
}
}
// Returns NWhileStmt
public Node WhileStmt()
{
NWhileStmt nWhileStmt = new NWhileStmt();
Expect(TokenCategory.WHILE);
Expect(TokenCategory.PARENTHESIS_LEFT);
nWhileStmt.Add(Expr());
Expect(TokenCategory.PARENTHESIS_RIGHT);
Expect(TokenCategory.CURLY_BRACE_LEFT);
NStmtList nStmtList = new NStmtList();
while (firstOfStatement.Contains(CurrentToken))
{
Stmt(nStmtList);
}
nWhileStmt.Add(nStmtList);
Expect(TokenCategory.CURLY_BRACE_RIGHT);
return(nWhileStmt);
}
public string Visit(NWhileStmt nWhileStmt)
{
string retVal = "";
string continueLabel = GenerateLabel();
string breakLabel = GenerateLabel();
string lastContinueLabel = currentContinueLabel;
string lastBreakLabel = currentBreakLabel;
currentContinueLabel = continueLabel;
currentBreakLabel = breakLabel;
retVal += continueLabel + ":\n";
retVal += Visit((dynamic)nWhileStmt[0]);
retVal += "\t\tbrfalse " + breakLabel + "\n";
retVal += Visit((dynamic)nWhileStmt[1]);
retVal += "\t\tbr " + continueLabel + "\n";
retVal += breakLabel + ":\n";
currentContinueLabel = lastContinueLabel;
currentBreakLabel = lastBreakLabel;
return(retVal);
}
public void Visit(NWhileStmt nWhileStmt)
{
++nestedLoopCount;
GenericChildVisitor(nWhileStmt);
--nestedLoopCount;
}