46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
|
/*
|
||
|
|
* Environment object representation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if !defined(DUK_HENV_H_INCLUDED)
|
||
|
|
#define DUK_HENV_H_INCLUDED
|
||
|
|
|
||
|
|
#if defined(DUK_USE_ASSERTIONS)
|
||
|
|
DUK_INTERNAL_DECL void duk_hdecenv_assert_valid(duk_hdecenv *h);
|
||
|
|
DUK_INTERNAL_DECL void duk_hobjenv_assert_valid(duk_hobjenv *h);
|
||
|
|
#define DUK_HDECENV_ASSERT_VALID(h) do { duk_hdecenv_assert_valid((h)); } while (0)
|
||
|
|
#define DUK_HOBJENV_ASSERT_VALID(h) do { duk_hobjenv_assert_valid((h)); } while (0)
|
||
|
|
#else
|
||
|
|
#define DUK_HDECENV_ASSERT_VALID(h) do {} while (0)
|
||
|
|
#define DUK_HOBJENV_ASSERT_VALID(h) do {} while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct duk_hdecenv {
|
||
|
|
/* Shared object part. */
|
||
|
|
duk_hobject obj;
|
||
|
|
|
||
|
|
/* These control variables provide enough information to access live
|
||
|
|
* variables for a closure that is still open. If thread == NULL,
|
||
|
|
* the record is closed and the identifiers are in the property table.
|
||
|
|
*/
|
||
|
|
duk_hthread *thread;
|
||
|
|
duk_hobject *varmap;
|
||
|
|
duk_size_t regbase_byteoff;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct duk_hobjenv {
|
||
|
|
/* Shared object part. */
|
||
|
|
duk_hobject obj;
|
||
|
|
|
||
|
|
/* Target object and 'this' binding for object binding. */
|
||
|
|
duk_hobject *target;
|
||
|
|
|
||
|
|
/* The 'target' object is used as a this binding in only some object
|
||
|
|
* environments. For example, the global environment does not provide
|
||
|
|
* a this binding, but a with statement does.
|
||
|
|
*/
|
||
|
|
duk_bool_t has_this;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* DUK_HENV_H_INCLUDED */
|