object.h File Reference

#include <stdio.h>

Go to the source code of this file.

Defines
#define	VM_OBJ_OFS   sizeof(struct _vm_obj_t)
	size of the object header
#define	PTR_TO_OBJ(_x)   ((vm_obj_t)(((char*)(_x))-VM_OBJ_OFS))
	translate from a managed buffer to its object header
#define	OBJ_TO_PTR(_x)   ((void*)(((char*)(_x))+VM_OBJ_OFS))
	translate from an object header to its managed buffer
#define	VM_OBJ_MAGIC   0x61060000
	magic value for managed objects : bit pattern
#define	VM_OBJ_MASK   0xFFFF0000
	magic value for managed objects : bit mask
#define	_obj_type(_x)   (((vm_obj_t)(_x))->magic^VM_OBJ_MAGIC)
	retrieve the type of managed object (DataObj* constant)
#define	_is_obj_obj(_x)   (((_x)&&(((_x)->magic&VM_OBJ_MASK) == VM_OBJ_MAGIC)) || (vm_printerrf("Data at %p is not a managed object (magic = %8.8lX)\n",(_x),(_x)?(_x)->magic:0) && 0))
	assertions
#define	_is_a_obj(_x, _t)   (_is_obj(_x) && (_obj_type(_x)==(_t)))
#define	_is_obj_ptr(_x)   ((_x)&&((PTR_TO_OBJ(_x)->magic&VM_OBJ_MASK) == VM_OBJ_MAGIC))
#define	_is_a_ptr(_x, _t)   (_is_obj_ptr(_x) && (_obj_type(PTR_TO_OBJ(_x))==(_t)))
Functions
static void *	vm_obj_new (word_t struc_size, void(*_free)(vm_t, void *), void *(*_clone)(vm_t, void *), vm_data_type_t obj_type)
	allocate a new managed buffer.
static void	vm_obj_free_obj (vm_t vm, vm_obj_t o)
	free a managed object.
static vm_obj_t	vm_obj_clone_obj (vm_t vm, vm_obj_t o)
	clone an object
static word_t	vm_obj_refcount_ptr (void *ptr)
	get the reference count for object ptr
static void	vm_obj_ref_ptr (vm_t vm, void *ptr)
	increase reference count for ptr
static void	vm_obj_deref_ptr (vm_t vm, void *ptr)
	decrease reference count for ptr and collect object if necessary
char *	vm_string_new (const char *src)
	create a new managed string containing a copy of src
char *	vm_string_new_buf (word_t sz)
	create a new managed string of length sz
text_seg_t	vm_symtab_new ()
	create a new symbol table ( [symbol] => index not null )
mutex_t	vm_mutex_new ()
	create a new mutex
thread_t	vm_thread_new (vm_t vm, word_t prio, program_t p, word_t ip)
	create a new thread
dynarray_t	vm_array_new ()
	create a new dynamic array
vm_dyn_env_t	vm_env_new ()
	create a new map ( symbol table + array)
generic_stack_t	vm_stack_new ()
	create a new stack
vm_dyn_func_t	vm_dyn_fun_new ()
	create a new function object

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