/* Validates identifier usage in an AST. */

#ifndef WRAITH_IDENTCHECK_H
#define WRAITH_IDENTCHECK_H

#include <stdint.h>

#include "ast.h"

struct TypeTag;
struct Node;

typedef enum NodeType
{
    Placeholder,
    UnorderedScope,
    OrderedScope,
    Struct,
    Function,
    Variable
} NodeType;

typedef struct IdNode
{
    NodeType type;
    char *name;
    struct TypeTag *typeTag;
    struct IdNode *parent;
    struct IdNode **children;
    uint32_t childCount;
    uint32_t childCapacity;
} IdNode;

typedef struct IdStatus
{
    enum StatusCode
    {
        Valid,
    } StatusCode;
} IdStatus;

IdNode *MakeIdTree(struct Node *astNode, IdNode *parent);
void PrintIdNode(IdNode *node);
void PrintIdTree(IdNode *tree, uint32_t tabCount);
int PrintAncestors(IdNode *node);
IdNode *LookdownId(IdNode *root, NodeType targetType, char *targetName);
IdNode *LookupId(IdNode *node, IdNode *prev, char *target);

#endif /* WRAITH_IDENTCHECK_H */