internal static (string str, IReadOnlyList <Instruction> instructions) GetTACWithOpt(
Parser parser, List <int> lstCheck)
{
ThreeAddressCodeTmp.ResetTmpLabel();
ThreeAddressCodeTmp.ResetTmpName();
var threeAddrCodeVisitor = new ThreeAddrGenVisitor();
parser.root.Visit(threeAddrCodeVisitor);
var threeAddressCode = threeAddrCodeVisitor.Instructions;
if (lstCheck.Count > 0)
{
List <Optimization> bBlOpt = new List <Optimization>(),
allCodeOpt = new List <Optimization>(), allAllOpt = new List <Optimization>();
var numPos = BasicBlockOptimizations.Count;
var numPosFalse = BasicBlockOptimizations.Count + AllCodeOptimizations.Count;
foreach (var n in lstCheck.TakeWhile(x => x < numPos))
{
bBlOpt.Add(BasicBlockOptimizations[n]);
allAllOpt.Add(BasicBlockOptimizations[n]);
}
foreach (var n in lstCheck.SkipWhile(x => x < numPos).TakeWhile(x => x < numPosFalse))
{
allCodeOpt.Add(AllCodeOptimizations[n - numPos]);
allAllOpt.Add(AllCodeOptimizations[n - numPos]);
}
var UCE = lstCheck[^ 1] == numPosFalse;
internal static (string str, IReadOnlyList <Instruction> instructions) GetTACWithOpt(
Parser parser, List <int> lstCheck)
{
ThreeAddressCodeTmp.ResetTmpLabel();
ThreeAddressCodeTmp.ResetTmpName();
var threeAddrCodeVisitor = new ThreeAddrGenVisitor();
parser.root.Visit(threeAddrCodeVisitor);
var threeAddressCode = threeAddrCodeVisitor.Instructions;
if (lstCheck.Count > 0)
{
List <Optimization> bBlOpt = new List <Optimization>(),
allCodeOpt = new List <Optimization>(), allAllOpt = new List <Optimization>();
var numPos = BasicBlockOptimizations.Count;
var numPosFalse = BasicBlockOptimizations.Count + AllCodeOptimizations.Count;
foreach (var n in lstCheck.TakeWhile(x => x < numPos))
{
bBlOpt.Add(BasicBlockOptimizations[n]);
allAllOpt.Add(BasicBlockOptimizations[n]);
}
foreach (var n in lstCheck.SkipWhile(x => x < numPos).TakeWhile(x => x < numPosFalse))
{
allCodeOpt.Add(AllCodeOptimizations[n - numPos]);
allAllOpt.Add(AllCodeOptimizations[n - numPos]);
}
var UCE = lstCheck[lstCheck.Count - 1] == numPosFalse;
var result = ThreeAddressCodeOptimizer.Optimize(threeAddressCode,
bBlOpt, allCodeOpt, UCE).ToList();
var strR = new StringBuilder();
foreach (var x in result)
{
strR.AppendLine(x.ToString());
}
return(strR.ToString(), threeAddressCode);
}
var str = new StringBuilder();
foreach (var x in threeAddressCode)
{
str.AppendLine(x.ToString());
}
return(str.ToString(), threeAddressCode);
}
protected List <Instruction> GenTAC(string sourceCode)
{
ThreeAddressCodeTmp.ResetTmpName();
ThreeAddressCodeTmp.ResetTmpLabel();
SymbolTable.vars.Clear(); // oh yeah, all variables are stored in a static dict :D
var scanner = new Scanner();
scanner.SetSource(sourceCode, 0);
var parser = new Parser(scanner);
parser.Parse();
var fillParents = new FillParentsVisitor();
parser.root.Visit(fillParents);
var threeAddrCodeVisitor = new ThreeAddrGenVisitor();
parser.root.Visit(threeAddrCodeVisitor);
return(threeAddrCodeVisitor.Instructions);
}