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/*
4coder_code_index.h - Generic code indexing system for layout, definition jumps, etc.
*/

// TOP

#if !defined(FCODER_CODE_INDEX_H)
#define FCODER_CODE_INDEX_H

struct Code_Index_Nest_List{
  struct Code_Index_Nest *first;
  struct Code_Index_Nest *last;
  i32 count;
};

struct Code_Index_Nest_Ptr_Array{
  struct Code_Index_Nest **ptrs;
  i32 count;
};

typedef i32 Code_Index_Nest_Kind;
enum{
  CodeIndexNest_Scope,
  CodeIndexNest_Paren,
  CodeIndexNest_Preprocessor,
  CodeIndexNest_Statement,
};

struct Code_Index_Nest{
  Code_Index_Nest *next;

  Code_Index_Nest_Kind kind;
  b32 is_closed;
  Range_i64 open;
  Range_i64 close;

  struct Code_Index_File *file;
  Code_Index_Nest *parent;

  Code_Index_Nest_List nest_list;
  Code_Index_Nest_Ptr_Array nest_array;
};

typedef i64 Code_Index_Note_Kind;
enum{
  CodeIndexNote_Type,
  CodeIndexNote_Function,
  CodeIndexNote_Macro,
  CodeIndexNote_Enum,
  CodeIndexNote_Global,
  CodeIndexNote_4coderCommand,
};

struct Code_Index_Note{
  Code_Index_Note *next;
  Code_Index_Note_Kind note_kind;
  Range_i64 pos;
  String_Const_u8 text;
  struct Code_Index_File *file;
  Code_Index_Nest *parent;

  Code_Index_Note *prev_in_hash;
  Code_Index_Note *next_in_hash;
};

struct Code_Index_Note_List{
  Code_Index_Note *first;
  Code_Index_Note *last;
  i32 count;
};

struct Code_Index_Note_Ptr_Array{
  Code_Index_Note **ptrs;
  i32 count;
};

struct Code_Index_File{
  Code_Index_Nest_List nest_list;
  Code_Index_Nest_Ptr_Array nest_array;
  Code_Index_Note_List note_list;
  Code_Index_Note_Ptr_Array note_array;
  Buffer_ID buffer;
};

struct Code_Index_File_Storage{
  Code_Index_File_Storage *next;
  Code_Index_File_Storage *prev;
  Arena arena;
  Code_Index_File *file;
};

struct Code_Index{
  System_Mutex mutex;
  Arena node_arena;
  Table_u64_u64 buffer_to_index_file;
  Code_Index_File_Storage *free_storage;
  Code_Index_File_Storage *storage_first;
  Code_Index_File_Storage *storage_last;
  i32 storage_count;

  Code_Index_Note_List name_hash[4099];
};

////////////////////////////////

struct Generic_Parse_State{
  Application_Links *app;
  Arena *arena;
  String_Const_u8 contents;
  Token_Iterator_Array it;
  u8 *prev_line_start;
  b32 finished;

  i32 scope_counter;
  i32 paren_counter;
  b32 in_preprocessor;
  b32 in_statement;

  b32 do_cpp_parse;
};

#endif

// BOTTOM