public override void VisitBinOpNode(BinOpNode binop)
{
base.VisitBinOpNode(binop);
if (binop.Left is IntNumNode left && binop.Right is IntNumNode right)
{
var num = 0;
switch (binop.Op)
{
case "+":
num = left.Num + right.Num;
break;
case "-":
num = left.Num - right.Num;
break;
case "*":
num = left.Num * right.Num;
break;
case "/":
num = left.Num / right.Num;
break;
}
var newInt = new IntNumNode(num);
ReplaceExpr(binop, newInt);
}
}
public override void PostVisit(Node n)
{
// Algebraic expressions of the form: 2 * 3 => 6
if (n is BinOpNode binop && binop.Left is IntNumNode && binop.Right is IntNumNode)
{
if (binop.Left is IntNumNode && binop.Right is IntNumNode)
{
var result = new IntNumNode(0);
switch (binop.Op)
{
case OpType.PLUS:
result.Num = (binop.Left as IntNumNode).Num + (binop.Right as IntNumNode).Num;
break;
case OpType.MINUS:
result.Num = (binop.Left as IntNumNode).Num - (binop.Right as IntNumNode).Num;
break;
case OpType.DIV:
result.Num = (binop.Left as IntNumNode).Num / (binop.Right as IntNumNode).Num;
break;
case OpType.MULT:
result.Num = (binop.Left as IntNumNode).Num * (binop.Right as IntNumNode).Num;
break;
}
ReplaceExpr(binop, result);
}
else
{
base.VisitBinOpNode(binop);
}
}
}
public override void PostVisit(Node node)
{
// Algebraic expressions of the form: 2 * 3 => 6
if (node is BinOpNode binop && binop.Left is IntNumNode intNumLeft && binop.Right is IntNumNode intNumRight)
{
var result = new IntNumNode(0);
switch (binop.Op)
{
case OpType.PLUS:
result.Num = intNumLeft.Num + intNumRight.Num;
break;
case OpType.MINUS:
result.Num = intNumLeft.Num - intNumRight.Num;
break;
case OpType.DIV:
result.Num = intNumLeft.Num / intNumRight.Num;
break;
case OpType.MULT:
result.Num = intNumLeft.Num * intNumRight.Num;
break;
default:
return;
}
ReplaceExpr(binop, result);
}
}
public override void VisitIntNumNode(IntNumNode num)
{
if (depth == 0)
{
compList.Add(sum);
}
}
public override void VisitIntNumNode(IntNumNode node)
{
var literal = LiteralExpression(SyntaxKind.NumericLiteralExpression, Literal(node.Value));
literal = GetNodeWithAnnotation(literal, node.Location) as LiteralExpressionSyntax;
expressions.Push(literal);
}
public override void VisitIntNumNode(IntNumNode num)
{
num.Parent = st.Peek();
st.Push(num);
base.VisitIntNumNode(num);
st.Pop();
}
public void Visit(IntNumNode n)
{
foreach (var node in n.GetChildren())
{
node.SymTable = n.SymTable;
node.Accept(this);
}
}
public override void VisitIntNumNode(IntNumNode num)
{
var line = new ThreeAddrLine();
line.Accum = num.Num.ToString();
line.Label = GenNewLabel();
line.OpType = ThreeAddrOpType.Nop;
Data.Add(line);
}
public void Visit(IntNumNode n)
{
PrintDOTIDLabel(n, n.Value.ToString());
PrintDOTParentChild(n);
foreach (var child in n.GetChildren())
{
child.Accept(this);
}
}
public void Visit(IntNumNode n)
{
var children = n.GetChildren();
foreach (var child in children)
{
child.SymTable = n.SymTable;
child.Accept(this);
}
}
public override void VisitIntNumNode(IntNumNode id)
{
if (CurrNestExprs > 0)
{
if (CurrNest == 0)
{
list.Add(0);
}
}
}
public void Visit(IntNumNode n)
{
var table = (FunctionSymbolTableEntry)n.SymTable;
var tempVar = n.TemporaryVariableName;
var offset = table.MemoryLayout.GetOffset(tempVar);
_writer.WriteComment($"Init const int value {n.Value} ({n.Token.StartLine}:{n.Token.StartColumn})");
var reg = PopRegister();
_writer.WriteInstruction(Instructions.Addi, reg, reg, n.Value.ToString());
_writer.WriteInstruction(Instructions.Sw, $"{offset}({FSPReg})", reg);
PushRegister(reg);
}
public override void VisitIntNumNode(IntNumNode num) => Text += num.Num.ToString(CultureInfo.CurrentCulture);
public virtual void VisitIntNumNode(IntNumNode num)
{
}
public override void VisitIntNumNode(IntNumNode num)
{
genc.Emit(OpCodes.Ldc_I4, num.Num);
}
public override void VisitIntNumNode(IntNumNode num)
{
throw new NotImplementedException();
}
public void VisitIntNumNode(IntNumNode a)
{
string label = Mark(a);
_nodes.AppendLine($"{label} [label = \"Int: {a.Num}\"]");
}
/// <summary>
/// Посещение IntNumNode
/// </summary>
/// <param name="num">Узел IntNumNode</param>
public virtual void VisitIntNumNode(IntNumNode num)
{
Text += num.Num.ToString();
}
public abstract void VisitIntNumNode(IntNumNode num);
public override void Visit(IntNumNode node)
{
OnEnter(node);
base.Visit(node);
OnExit(node);
}
public void Visit(IntNumNode n)
{
var table = (FunctionSymbolTableEntry)n.SymTable;
n.TemporaryVariableName = table.MemoryLayout.AddTemporaryVariable();
}
public override void VisitIntNumNode(IntNumNode num)
{
throw new Exception("Logic error");
}
public virtual void Visit(IntNumNode node)
{
}
public override void VisitIntNumNode(IntNumNode num)
{
Text.Append(num.Num.ToString());
}
public override void VisitIntNumNode(IntNumNode num)
{
Text += num.Num.ToString();
}
public override void Visit(IntNumNode node)
{
ProgramBuilder.Append(node.Num);
}