%value and memory management about packcc

[arithy]

I see in the TinyC example that a second data structure is passed around in auxil that looks like it holds the AST. Is this the intended approach for all applications?

Yes, it is. In the Tiny-C example, I introduce the manager, which is passed via auxil, to hold all AST nodes so that the application can surely deallocate all memory used by AST nodes even if there are nodes that have no parent. If you ensure that all nodes have parents by designing the PEG finely, you can deallocate all memory by tree traversal from the root node.

PackCC doesn't care memory allocation or deallocation of application-defined data. Applications should have responsibility to manage them. However, If you have any idea of a concrete specification of the functionality to simplify the management, I'll consider to introduce it.