public void VisitNegateUnaryOp(NegateUnaryOpNode node)
{
node.RHS.AcceptExpressionVisitor(_expressionVisitor);
int startAddr = _builder.AddInstruction(OpCode.PUSHWORD, 0);
_builder.AddInstruction(OpCode.SUB);
_builder.AddDebugSymbol(startAddr, node);
}
private ILFunction GenerateFunction(FunctionDefinitionNode node, List <string> strings)
{
StackLayoutGenerator layoutGenerator = new StackLayoutGenerator(_typeSizeManager);
layoutGenerator.VisitFunctionDefinition(node);
FunctionStackLayout layout = layoutGenerator.GetLayout();
FunctionBuilder builder = new FunctionBuilder(layout, _module.BaseModule.SymbolMap);
FunctionCodeGenVisitor functionCodeGenVisitor = new FunctionCodeGenVisitor(
builder, layout, _functionManager, _module, _semanticContext, _structLayoutManager,
_typeSizeManager, strings);
builder.AddInstruction(OpCode.PUSH, 0, layout.EndAddress);
functionCodeGenVisitor.VisitBody(node.Body);
if (builder.InstructionCount == 0 || builder.Instructions[builder.InstructionCount - 1].Op != OpCode.RETURN)
{
builder.AddInstruction(OpCode.RETURN);
}
return(builder.Build(node));
}
public void VisitAssignment(AssignmentNode node)
{
AddressOfVisitor addressOfVisitor
= new AddressOfVisitor(_layout, _module, _structLayoutManager);
node.Lhs.AcceptAddressableVisitor(addressOfVisitor);
node.Rhs.AcceptExpressionVisitor(this);
int size = GetExpressionResultSize(node.Rhs);
int addr = _functionBuilder.AddInstruction(OpCode.WRITE, addressOfVisitor.AbsoluteStackAddress, size);
_functionBuilder.AddDebugSymbol(addr, node);
}
public void VisitCompareInequalityBinOp(CompareInequalityBinOpNode node)
{
node.RHS.AcceptExpressionVisitor(_expressionVisitor);
node.LHS.AcceptExpressionVisitor(_expressionVisitor);
ComparisonOperationAddress = _functionBuilder.InstructionCount;
_functionBuilder.AddInstruction(OpCode.CMPE);
_functionBuilder.AddInstruction(OpCode.LNOT);
}
