public override void Accept(BinaryExpression binop)
{
if (binop.Operation == BinaryOperation.Assign &&
binop.Left is NameExpression)
{
NameExpression name = binop.Left as NameExpression;
if (!symbolTable.IsSymbolDefined(name.Value))
{
symbolTable.AddSymbol(name.Value);
}
}
binop.VisitChildren(this);
}
public override void Accept(BinaryExpression binop)
{
if (binop.Operation == BinaryOperation.Assign)
{
if (binop.Left is NameExpression)
{
NameExpression ident = (NameExpression)binop.Left;
if (!symbolTable.IsSymbolDefined(ident.Value))
{
symbolTable.AddSymbol(ident.Value);
}
}
}
binop.Right.Visit(this);
}
public override void Accept(NameExpression ident)
{
if (symbolTable.IsSymbolDefined(ident.Value))
{
Symbol sym = symbolTable.GetSymbol(ident.Value);
if (sym.Type == SymbolType.Local)
{
methodBuilder.EmitInstruction(ident.Location, Opcode.LoadLocal, sym.Index);
}
else
{
methodBuilder.EmitInstruction(ident.Location, Opcode.LoadGlobal,
methodBuilder.Module.DefineConstant(new IodineName(ident.Value)));
}
}
else
{
methodBuilder.EmitInstruction(ident.Location, Opcode.LoadGlobal,
methodBuilder.Module.DefineConstant(new IodineName(ident.Value)));
}
}
