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fixed print_formatted() to use hcl_outfmtobj() instead of hcl_print().

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added 2 new optional callbacks - vmprim.alloc_heap and vmprim.free_heap
This commit is contained in:
hyung-hwan
2018-03-01 14:47:12 +00:00
parent 0b460a3f2a
commit 9094157e28
6 changed files with 277 additions and 201 deletions
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31
lib/hcl.h
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@ -686,6 +686,14 @@ struct hcl_heap_t
/* =========================================================================
* VIRTUAL MACHINE PRIMITIVES
* ========================================================================= */
typedef void* (*hcl_alloc_heap_t) (hcl_t* hcl, hcl_oow_t size);
typedef void (*hcl_free_heap_t) (hcl_t* hcl, void* ptr);
typedef void (*hcl_log_write_t) (hcl_t* hcl, int mask, const hcl_ooch_t* msg, hcl_oow_t len);
typedef void (*hcl_syserrstrb_t) (hcl_t* hcl, int syserr, hcl_bch_t* buf, hcl_oow_t len);
typedef void (*hcl_syserrstru_t) (hcl_t* hcl, int syserr, hcl_uch_t* buf, hcl_oow_t len);
enum hcl_vmprim_opendl_flag_t
{
HCL_VMPRIM_OPENDL_PFMOD = (1 << 0)
@ -696,27 +704,34 @@ typedef void* (*hcl_vmprim_dlopen_t) (hcl_t* hcl, const hcl_ooch_t* name, int fl
typedef void (*hcl_vmprim_dlclose_t) (hcl_t* hcl, void* handle);
typedef void* (*hcl_vmprim_dlgetsym_t) (hcl_t* hcl, void* handle, const hcl_ooch_t* name);
typedef void (*hcl_log_write_t) (hcl_t* hcl, int mask, const hcl_ooch_t* msg, hcl_oow_t len);
typedef void (*hcl_syserrstrb_t) (hcl_t* hcl, int syserr, hcl_bch_t* buf, hcl_oow_t len);
typedef void (*hcl_syserrstru_t) (hcl_t* hcl, int syserr, hcl_uch_t* buf, hcl_oow_t len);
typedef int (*hcl_vmprim_startup_t) (hcl_t* hcl);
typedef void (*hcl_vmprim_cleanup_t) (hcl_t* hcl);
typedef void (*hcl_vmprim_gettime_t) (hcl_t* hcl, hcl_ntime_t* now);
typedef void (*hcl_vmprim_sleep_t) (hcl_t* hcl, const hcl_ntime_t* duration);
struct hcl_vmprim_t
{
hcl_vmprim_dlopen_t dl_open;
hcl_vmprim_dlclose_t dl_close;
hcl_vmprim_dlgetsym_t dl_getsym;
/* The alloc_heap callback function is called very earlier
* before hcl is fully initialized. so few features are availble
* in this callback function. If it's not provided, the default
* implementation is used. */
hcl_alloc_heap_t alloc_heap;
/* If you customize the heap allocator by providing the alloc_heap
* callback, you should implement the heap freer. otherwise the default
* implementation doesn't know how to free the heap allocated by
* the allocator callback. */
hcl_free_heap_t free_heap;
hcl_log_write_t log_write;
hcl_syserrstrb_t syserrstrb;
hcl_syserrstru_t syserrstru;
hcl_vmprim_dlopen_t dl_open;
hcl_vmprim_dlclose_t dl_close;
hcl_vmprim_dlgetsym_t dl_getsym;
hcl_vmprim_startup_t vm_startup;
hcl_vmprim_cleanup_t vm_cleanup;
hcl_vmprim_gettime_t vm_gettime;