roza/lib/sym.h

#ifndef RZ_SYM_H
#define RZ_SYM_H

#include "commons.h"
#include "tysy.h"
#include "err.h"
#include "node.h"

typedef enum {
  SYM_PRE = 1<<1,
  SYM_DECL = 1<<2,
} sym_state_t;

typedef struct {
  int id;
  char* name;
  type_t* type;
  int scope;
  sym_state_t state;
  node_t* node;
} sym_entry_t;

typedef struct {
  tysy_t* tysy;
  err_t* err;

  struct {
    int id_counter;
    size_t size;
    size_t cap;
    sym_entry_t** data;
  } entries;
} sym_t;

void sym_init(sym_t* sym, tysy_t* tysy, err_t* err);
void sym_free(sym_t* sym);

int sym_declare(sym_t* sym, char* name, type_t* type,
                int scope, int state_flag,
                node_t* node);

sym_entry_t* sym_try_find_by_name(sym_t* sym, char* name,
                                  int scope, int state_flag,
                                  node_t* node);

size_t sym_str(sym_t* sym, char* buffer, size_t size);

#endif