diff options
Diffstat (limited to 'src/lisp.h')
-rw-r--r-- | src/lisp.h | 49 |
1 files changed, 21 insertions, 28 deletions
diff --git a/src/lisp.h b/src/lisp.h index e7747563085..91c430fe98d 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -310,7 +310,6 @@ error !; # define lisp_h_XLI(o) (o) # define lisp_h_XIL(i) (i) #endif -#define lisp_h_CHECK_LIST_CONS(x, y) CHECK_TYPE (CONSP (x), Qlistp, y) #define lisp_h_CHECK_NUMBER(x) CHECK_TYPE (INTEGERP (x), Qintegerp, x) #define lisp_h_CHECK_SYMBOL(x) CHECK_TYPE (SYMBOLP (x), Qsymbolp, x) #define lisp_h_CHECK_TYPE(ok, predicate, x) \ @@ -367,7 +366,6 @@ error !; #if DEFINE_KEY_OPS_AS_MACROS # define XLI(o) lisp_h_XLI (o) # define XIL(i) lisp_h_XIL (i) -# define CHECK_LIST_CONS(x, y) lisp_h_CHECK_LIST_CONS (x, y) # define CHECK_NUMBER(x) lisp_h_CHECK_NUMBER (x) # define CHECK_SYMBOL(x) lisp_h_CHECK_SYMBOL (x) # define CHECK_TYPE(ok, predicate, x) lisp_h_CHECK_TYPE (ok, predicate, x) @@ -1997,6 +1995,10 @@ struct Lisp_Hash_Table hash table size to reduce collisions. */ Lisp_Object index; + /* Non-nil if the table can be purecopied. Any changes the table after + purecopy will result in an error. */ + Lisp_Object pure; + /* Only the fields above are traced normally by the GC. The ones below `count' are special and are either ignored by the GC or traced in a special way (e.g. because of weakness). */ @@ -2751,9 +2753,9 @@ CHECK_LIST (Lisp_Object x) } INLINE void -(CHECK_LIST_CONS) (Lisp_Object x, Lisp_Object y) +CHECK_LIST_END (Lisp_Object x, Lisp_Object y) { - lisp_h_CHECK_LIST_CONS (x, y); + CHECK_TYPE (NILP (x), Qlistp, y); } INLINE void @@ -3121,34 +3123,25 @@ struct handler extern Lisp_Object memory_signal_data; -/* Check quit-flag and quit if it is non-nil. - Typing C-g does not directly cause a quit; it only sets Vquit_flag. - So the program needs to do QUIT at times when it is safe to quit. - Every loop that might run for a long time or might not exit - ought to do QUIT at least once, at a safe place. - Unless that is impossible, of course. - But it is very desirable to avoid creating loops where QUIT is impossible. +/* Check quit-flag and quit if it is non-nil. Typing C-g does not + directly cause a quit; it only sets Vquit_flag. So the program + needs to call maybe_quit at times when it is safe to quit. Every + loop that might run for a long time or might not exit ought to call + maybe_quit at least once, at a safe place. Unless that is + impossible, of course. But it is very desirable to avoid creating + loops where maybe_quit is impossible. - Exception: if you set immediate_quit to true, - then the handler that responds to the C-g does the quit itself. - This is a good thing to do around a loop that has no side effects - and (in particular) cannot call arbitrary Lisp code. + Exception: if you set immediate_quit, the handler that responds to + the C-g does the quit itself. This is a good thing to do around a + loop that has no side effects and (in particular) cannot call + arbitrary Lisp code. If quit-flag is set to `kill-emacs' the SIGINT handler has received - a request to exit Emacs when it is safe to do. */ - -extern void process_pending_signals (void); -extern bool volatile pending_signals; + a request to exit Emacs when it is safe to do. -extern void process_quit_flag (void); -#define QUIT \ - do { \ - if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \ - process_quit_flag (); \ - else if (pending_signals) \ - process_pending_signals (); \ - } while (false) + When not quitting, process any pending signals. */ +extern void maybe_quit (void); /* True if ought to quit now. */ @@ -3375,7 +3368,7 @@ extern void sweep_weak_hash_tables (void); EMACS_UINT hash_string (char const *, ptrdiff_t); EMACS_UINT sxhash (Lisp_Object, int); Lisp_Object make_hash_table (struct hash_table_test, Lisp_Object, Lisp_Object, - Lisp_Object, Lisp_Object); + Lisp_Object, Lisp_Object, Lisp_Object); ptrdiff_t hash_lookup (struct Lisp_Hash_Table *, Lisp_Object, EMACS_UINT *); ptrdiff_t hash_put (struct Lisp_Hash_Table *, Lisp_Object, Lisp_Object, EMACS_UINT); |