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authorGuido van Rossum <guido@python.org>1997-08-05 21:28:12 (GMT)
committerGuido van Rossum <guido@python.org>1997-08-05 21:28:12 (GMT)
commit717c6f95bebcd4693781e25bae3f7f9900cece07 (patch)
treef3b1fd83aefb00388794b5e97d4edda88e746ca0
parent0969d362751bd779fc6618d70ddd6c76e8cbc12c (diff)
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Move GNU readline interface to ../Modules/readline.c.
Add Py_input_hook (used by _tkinter and perhaps Gist).
-rw-r--r--Parser/myreadline.c81
1 files changed, 3 insertions, 78 deletions
diff --git a/Parser/myreadline.c b/Parser/myreadline.c
index f9c3706..37ee902 100644
--- a/Parser/myreadline.c
+++ b/Parser/myreadline.c
@@ -51,79 +51,7 @@ PERFORMANCE OF THIS SOFTWARE.
#include "mymalloc.h"
#include "intrcheck.h"
-
-#ifdef WITH_READLINE
-
-extern char *readline();
-extern int rl_initialize();
-extern int rl_insert();
-extern int rl_bind_key();
-extern void add_history();
-extern char *rl_readline_name;
-
-#include <setjmp.h>
-#include <signal.h>
-
-static jmp_buf jbuf;
-
-/* ARGSUSED */
-static RETSIGTYPE
-onintr(sig)
- int sig;
-{
- longjmp(jbuf, 1);
-}
-
-void
-PyOS_ReadlineInit()
-{
- static int been_here;
- if (!been_here) {
- /* Force rebind of TAB to insert-tab */
- rl_readline_name = "python";
- rl_initialize();
- rl_bind_key('\t', rl_insert);
- been_here++;
- }
-}
-
-char *
-PyOS_GnuReadline(prompt)
- char *prompt;
-{
- int n;
- char *p;
- RETSIGTYPE (*old_inthandler)();
- PyOS_ReadlineInit();
- old_inthandler = signal(SIGINT, onintr);
- if (setjmp(jbuf)) {
-#ifdef HAVE_SIGRELSE
- /* This seems necessary on SunOS 4.1 (Rasmus Hahn) */
- sigrelse(SIGINT);
-#endif
- signal(SIGINT, old_inthandler);
- return NULL;
- }
- p = readline(prompt);
- signal(SIGINT, old_inthandler);
- if (p == NULL) {
- p = malloc(1);
- if (p != NULL)
- *p = '\0';
- return p;
- }
- n = strlen(p);
- if (n > 0)
- add_history(p);
- if ((p = realloc(p, n+2)) != NULL) {
- p[n] = '\n';
- p[n+1] = '\0';
- }
- return p;
-}
-
-#endif /* !WITH_READLINE */
-
+int (*Py_input_hook)() = NULL;
/* This function restarts a fgets() after an EINTR error occurred
except if PyOS_InterruptOccurred() returns true. */
@@ -136,6 +64,8 @@ my_fgets(buf, len, fp)
{
char *p;
for (;;) {
+ if (Py_input_hook != NULL)
+ (void)(Py_input_hook)();
errno = 0;
p = fgets(buf, len, fp);
if (p != NULL)
@@ -221,11 +151,6 @@ PyOS_Readline(prompt)
char *prompt;
{
if (PyOS_ReadlineFunctionPointer == NULL) {
-#ifdef WITH_READLINE
- if (isatty(fileno(stdin)))
- PyOS_ReadlineFunctionPointer = PyOS_GnuReadline;
- else
-#endif
PyOS_ReadlineFunctionPointer = PyOS_StdioReadline;
}
return (*PyOS_ReadlineFunctionPointer)(prompt);