public void GenerateVariableDeclaration(VariableTreeNode node)
{
var opcode = ".decl";
OutLine(String.Format(" {0}{2}{1}", opcode, node.Value, _argumentPosition.Substring(opcode.Length)));
}
protected void GenerateLHSValue(CodeGenContext context, AbstractSyntaxTree target, VariableTreeNode variable)
{
if (target == null)
{
// An address was generated onto the stack.
// We need to use this address twice, as in a[i] += 4;
// we need to read a[i] once, and write a[i] once,
// from the same pointer computation
context.GenerateInstruction("DUP");
// and now we'll convert one of them into the value at that location
context.GenerateInstruction("Indirection");
}
else if (variable != null)
{
context.GenerateInstruction("PUSH", variable.Value.ToString());
}
else
{
throw new AssertionFailedException("unexpected result for LHS");
}
}