private void WriteFunctionCallExp(FunctionCallExpression functioncall, StringBuilder programBuilder)
{
foreach (var id in registerFile.listofFunctions)
{
if (id == functioncall.Id)
{
recursive = true; break;
}
}
if (recursive == false)
{
for (int i = 0; i < functioncall.Parameters.Exprlist.Count; i++)
{
WriteExpr(functioncall.Parameters.Exprlist[i], registerFile, programBuilder);
}
programBuilder.AppendLine("\t pop ebp");
}
else
{
foreach (var param in functioncall.Parameters.Exprlist)
{
WriteExpr(param, registerFile, programBuilder);
}
}
}
private void WriteFunctionDataHeader(FunctionCallExpression function, StringBuilder programBuilder)
{
int count = 0;
programBuilder.AppendLine(".data");
foreach (var parameters in function.Parameters.Exprlist)
{
programBuilder.AppendFormat("num{0}: .word {1}", count, parameters.ToString());
count += 1;
programBuilder.AppendLine();
}
}
private void WriteFunctionCallExp(FunctionCallExpression functioncall, StringBuilder programBuilder)
{
foreach (var id in registerFile.listofFunctions)
{
if (id == functioncall.Id)
{
recursive = true; break;
}
}
if (recursive == false)
{
WriteFunctionDataHeader(functioncall, headerBuilder);
for (int i = 0; i < functioncall.Parameters.Exprlist.Count; i++)
{
var register = registerFile.FirstAvailableArgument();
programBuilder.AppendFormat("\tlw {0}, num{1}", register, i.ToString());
programBuilder.AppendLine();
registerFile.savedArguments.Add(register, null);
param = true;
}
registerFile.FreeAllArgument();
programBuilder.AppendFormat("\tjal {0}", GenerateLabel(functioncall.Id, functioncall.Parameters.Exprlist));
programBuilder.AppendLine();
}
else
{
foreach (var param in functioncall.Parameters.Exprlist)
{
WriteExpr(param, registerFile, programBuilder);
}
}
}