#pragma once
typedef struct Note Note;
typedef struct Decl Decl;
typedef struct Decl_Enum_Child Decl_Enum_Child;

typedef enum Decl_Kind{
  DK_None,
  DK_Variable,
  DK_Typedef,
  DK_Struct,
  DK_Union,
  DK_Enum,
  DK_Function,
}Decl_Kind;

struct Note{
  Intern_String string;
  Token *token;
  Expr *expr;
  
  Note *next;
  Note *first;
  Note *last;
};

struct Decl_Enum_Child{
  Decl_Enum_Child *next;
  Token *token; // name
  Expr *expr;
};

struct Decl{
  Decl_Kind kind;
  Decl *next;
  Intern_String name;
  Token *token;
  
  Note *first_note;
  Note *last_note;
  union{
    struct{
      Decl_Enum_Child *first;
      Decl_Enum_Child *last;
    } enum_val;
    struct{
      Decl *first;
      Decl *last;
    } aggregate_val;
    struct{
      Decl *first;
      Decl *last;
      Type *return_type;
    }func_val;
    struct{
      Type *type;
      Expr *expr;
    }var_val;
    struct{
      Type *type;
    }typedef_val;
  };
};