unleashed-firmware/lib/mjs/mjs_gc.h
Nikolay Minaylov 0154018363
[FL-3579, FL-3601, FL-3714] JavaScript runner (#3286)
* FBT: cdefines to env, libs order
* API: strtod, modf, itoa, calloc
* Apps: elk js
* Apps: mjs
* JS: scripts as assets
* mjs: composite resolver
* mjs: stack trace
* ELK JS example removed
* MJS thread, MJS lib modified to support script interruption
* JS console UI
* Module system, BadUSB bindings rework
* JS notifications, simple dialog, BadUSB demo
* Custom dialogs, dialog demo
* MJS as system library, some dirty hacks to make it compile
* Plugin-based js modules
* js_uart(BadUART) module
* js_uart: support for byte array arguments
* Script icon and various fixes
* File browser: multiple extensions filter, running js scripts from app loader
* Running js scripts from archive browser
* JS Runner as system app
* Example scripts moved to /ext/apps/Scripts
* JS bytecode listing generation
* MJS builtin printf cleanup
* JS examples cleanup
* mbedtls version fix
* Unused lib cleanup
* Making PVS happy & TODOs cleanup
* TODOs cleanup #2
* MJS: initial typed arrays support
* JS: fix mem leak in uart destructor

Co-authored-by: SG <who.just.the.doctor@gmail.com>
Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2024-02-12 15:54:32 +07:00

60 lines
1.6 KiB
C

/*
* Copyright (c) 2014 Cesanta Software Limited
* All rights reserved
*/
#ifndef MJS_GC_H_
#define MJS_GC_H_
#include "mjs_core.h"
#include "mjs_mm.h"
#include "mjs_internal.h"
#include "mjs_gc_public.h"
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
/*
* performs arithmetics on gc_cell pointers as if they were arena->cell_size
* bytes wide
*/
#define GC_CELL_OP(arena, cell, op, arg) \
((struct gc_cell*)(((char*)(cell))op((arg) * (arena)->cell_size)))
struct gc_cell {
union {
struct gc_cell* link;
uintptr_t word;
} head;
};
MJS_PRIVATE int gc_strings_is_gc_needed(struct mjs* mjs);
/* perform gc if not inhibited */
MJS_PRIVATE int maybe_gc(struct mjs* mjs);
MJS_PRIVATE struct mjs_object* new_object(struct mjs*);
MJS_PRIVATE struct mjs_property* new_property(struct mjs*);
MJS_PRIVATE struct mjs_ffi_sig* new_ffi_sig(struct mjs* mjs);
MJS_PRIVATE void gc_mark(struct mjs* mjs, mjs_val_t* val);
MJS_PRIVATE void gc_arena_init(struct gc_arena*, size_t, size_t, size_t);
MJS_PRIVATE void gc_arena_destroy(struct mjs*, struct gc_arena* a);
MJS_PRIVATE void gc_sweep(struct mjs*, struct gc_arena*, size_t);
MJS_PRIVATE void* gc_alloc_cell(struct mjs*, struct gc_arena*);
MJS_PRIVATE uint64_t gc_string_mjs_val_to_offset(mjs_val_t v);
/* return 0 if v is an object/function with a bad pointer */
MJS_PRIVATE int gc_check_val(struct mjs* mjs, mjs_val_t v);
/* checks whether a pointer is within the ranges of an arena */
MJS_PRIVATE int gc_check_ptr(const struct gc_arena* a, const void* p);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
#endif /* MJS_GC_H_ */