diff options
Diffstat (limited to 'Modules/readline.c')
| -rw-r--r-- | Modules/readline.c | 1040 |
1 files changed, 520 insertions, 520 deletions
diff --git a/Modules/readline.c b/Modules/readline.c index a3dc4d9..7240d93 100644 --- a/Modules/readline.c +++ b/Modules/readline.c @@ -23,7 +23,7 @@ #ifdef SAVE_LOCALE # define RESTORE_LOCALE(sl) { setlocale(LC_CTYPE, sl); free(sl); } #else -# define RESTORE_LOCALE(sl) +# define RESTORE_LOCALE(sl) #endif /* GNU readline definitions */ @@ -33,7 +33,7 @@ #ifdef HAVE_RL_COMPLETION_MATCHES #define completion_matches(x, y) \ - rl_completion_matches((x), ((rl_compentry_func_t *)(y))) + rl_completion_matches((x), ((rl_compentry_func_t *)(y))) #else #if defined(_RL_FUNCTION_TYPEDEF) extern char **completion_matches(char *, rl_compentry_func_t *); @@ -48,13 +48,13 @@ extern char **completion_matches(char *, CPFunction *); #ifdef __APPLE__ /* * It is possible to link the readline module to the readline - * emulation library of editline/libedit. - * + * emulation library of editline/libedit. + * * On OSX this emulation library is not 100% API compatible * with the "real" readline and cannot be detected at compile-time, * hence we use a runtime check to detect if we're using libedit * - * Currently there is one know API incompatibility: + * Currently there is one know API incompatibility: * - 'get_history' has a 1-based index with GNU readline, and a 0-based * index with libedit's emulation. * - Note that replace_history and remove_history use a 0-based index @@ -66,7 +66,7 @@ static const char libedit_version_tag[] = "EditLine wrapper"; static void on_completion_display_matches_hook(char **matches, - int num_matches, int max_length); + int num_matches, int max_length); /* Exported function to send one line to readline's init file parser */ @@ -74,18 +74,18 @@ on_completion_display_matches_hook(char **matches, static PyObject * parse_and_bind(PyObject *self, PyObject *args) { - char *s, *copy; - if (!PyArg_ParseTuple(args, "s:parse_and_bind", &s)) - return NULL; - /* Make a copy -- rl_parse_and_bind() modifies its argument */ - /* Bernard Herzog */ - copy = malloc(1 + strlen(s)); - if (copy == NULL) - return PyErr_NoMemory(); - strcpy(copy, s); - rl_parse_and_bind(copy); - free(copy); /* Free the copy */ - Py_RETURN_NONE; + char *s, *copy; + if (!PyArg_ParseTuple(args, "s:parse_and_bind", &s)) + return NULL; + /* Make a copy -- rl_parse_and_bind() modifies its argument */ + /* Bernard Herzog */ + copy = malloc(1 + strlen(s)); + if (copy == NULL) + return PyErr_NoMemory(); + strcpy(copy, s); + rl_parse_and_bind(copy); + free(copy); /* Free the copy */ + Py_RETURN_NONE; } PyDoc_STRVAR(doc_parse_and_bind, @@ -98,13 +98,13 @@ Parse and execute single line of a readline init file."); static PyObject * read_init_file(PyObject *self, PyObject *args) { - char *s = NULL; - if (!PyArg_ParseTuple(args, "|z:read_init_file", &s)) - return NULL; - errno = rl_read_init_file(s); - if (errno) - return PyErr_SetFromErrno(PyExc_IOError); - Py_RETURN_NONE; + char *s = NULL; + if (!PyArg_ParseTuple(args, "|z:read_init_file", &s)) + return NULL; + errno = rl_read_init_file(s); + if (errno) + return PyErr_SetFromErrno(PyExc_IOError); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_read_init_file, @@ -118,13 +118,13 @@ The default filename is the last filename used."); static PyObject * read_history_file(PyObject *self, PyObject *args) { - char *s = NULL; - if (!PyArg_ParseTuple(args, "|z:read_history_file", &s)) - return NULL; - errno = read_history(s); - if (errno) - return PyErr_SetFromErrno(PyExc_IOError); - Py_RETURN_NONE; + char *s = NULL; + if (!PyArg_ParseTuple(args, "|z:read_history_file", &s)) + return NULL; + errno = read_history(s); + if (errno) + return PyErr_SetFromErrno(PyExc_IOError); + Py_RETURN_NONE; } static int _history_length = -1; /* do not truncate history by default */ @@ -139,15 +139,15 @@ The default filename is ~/.history."); static PyObject * write_history_file(PyObject *self, PyObject *args) { - char *s = NULL; - if (!PyArg_ParseTuple(args, "|z:write_history_file", &s)) - return NULL; - errno = write_history(s); - if (!errno && _history_length >= 0) - history_truncate_file(s, _history_length); - if (errno) - return PyErr_SetFromErrno(PyExc_IOError); - Py_RETURN_NONE; + char *s = NULL; + if (!PyArg_ParseTuple(args, "|z:write_history_file", &s)) + return NULL; + errno = write_history(s); + if (!errno && _history_length >= 0) + history_truncate_file(s, _history_length); + if (errno) + return PyErr_SetFromErrno(PyExc_IOError); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_write_history_file, @@ -161,11 +161,11 @@ The default filename is ~/.history."); static PyObject* set_history_length(PyObject *self, PyObject *args) { - int length = _history_length; - if (!PyArg_ParseTuple(args, "i:set_history_length", &length)) - return NULL; - _history_length = length; - Py_RETURN_NONE; + int length = _history_length; + if (!PyArg_ParseTuple(args, "i:set_history_length", &length)) + return NULL; + _history_length = length; + Py_RETURN_NONE; } PyDoc_STRVAR(set_history_length_doc, @@ -180,7 +180,7 @@ history truncation."); static PyObject* get_history_length(PyObject *self, PyObject *noarg) { - return PyLong_FromLong(_history_length); + return PyLong_FromLong(_history_length); } PyDoc_STRVAR(get_history_length_doc, @@ -194,29 +194,29 @@ the history file."); static PyObject * set_hook(const char *funcname, PyObject **hook_var, PyObject *args) { - PyObject *function = Py_None; - char buf[80]; - PyOS_snprintf(buf, sizeof(buf), "|O:set_%.50s", funcname); - if (!PyArg_ParseTuple(args, buf, &function)) - return NULL; - if (function == Py_None) { - Py_XDECREF(*hook_var); - *hook_var = NULL; - } - else if (PyCallable_Check(function)) { - PyObject *tmp = *hook_var; - Py_INCREF(function); - *hook_var = function; - Py_XDECREF(tmp); - } - else { - PyOS_snprintf(buf, sizeof(buf), - "set_%.50s(func): argument not callable", - funcname); - PyErr_SetString(PyExc_TypeError, buf); - return NULL; - } - Py_RETURN_NONE; + PyObject *function = Py_None; + char buf[80]; + PyOS_snprintf(buf, sizeof(buf), "|O:set_%.50s", funcname); + if (!PyArg_ParseTuple(args, buf, &function)) + return NULL; + if (function == Py_None) { + Py_XDECREF(*hook_var); + *hook_var = NULL; + } + else if (PyCallable_Check(function)) { + PyObject *tmp = *hook_var; + Py_INCREF(function); + *hook_var = function; + Py_XDECREF(tmp); + } + else { + PyOS_snprintf(buf, sizeof(buf), + "set_%.50s(func): argument not callable", + funcname); + PyErr_SetString(PyExc_TypeError, buf); + return NULL; + } + Py_RETURN_NONE; } @@ -232,20 +232,20 @@ static PyObject *pre_input_hook = NULL; static PyObject * set_completion_display_matches_hook(PyObject *self, PyObject *args) { - PyObject *result = set_hook("completion_display_matches_hook", - &completion_display_matches_hook, args); + PyObject *result = set_hook("completion_display_matches_hook", + &completion_display_matches_hook, args); #ifdef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK - /* We cannot set this hook globally, since it replaces the - default completion display. */ - rl_completion_display_matches_hook = - completion_display_matches_hook ? + /* We cannot set this hook globally, since it replaces the + default completion display. */ + rl_completion_display_matches_hook = + completion_display_matches_hook ? #if defined(_RL_FUNCTION_TYPEDEF) - (rl_compdisp_func_t *)on_completion_display_matches_hook : 0; + (rl_compdisp_func_t *)on_completion_display_matches_hook : 0; #else - (VFunction *)on_completion_display_matches_hook : 0; + (VFunction *)on_completion_display_matches_hook : 0; #endif #endif - return result; + return result; } @@ -259,7 +259,7 @@ once each time matches need to be displayed."); static PyObject * set_startup_hook(PyObject *self, PyObject *args) { - return set_hook("startup_hook", &startup_hook, args); + return set_hook("startup_hook", &startup_hook, args); } PyDoc_STRVAR(doc_set_startup_hook, @@ -276,7 +276,7 @@ before readline prints the first prompt."); static PyObject * set_pre_input_hook(PyObject *self, PyObject *args) { - return set_hook("pre_input_hook", &pre_input_hook, args); + return set_hook("pre_input_hook", &pre_input_hook, args); } PyDoc_STRVAR(doc_set_pre_input_hook, @@ -314,8 +314,8 @@ Get the type of completion being attempted."); static PyObject * get_begidx(PyObject *self, PyObject *noarg) { - Py_INCREF(begidx); - return begidx; + Py_INCREF(begidx); + return begidx; } PyDoc_STRVAR(doc_get_begidx, @@ -328,8 +328,8 @@ get the beginning index of the readline tab-completion scope"); static PyObject * get_endidx(PyObject *self, PyObject *noarg) { - Py_INCREF(endidx); - return endidx; + Py_INCREF(endidx); + return endidx; } PyDoc_STRVAR(doc_get_endidx, @@ -342,14 +342,14 @@ get the ending index of the readline tab-completion scope"); static PyObject * set_completer_delims(PyObject *self, PyObject *args) { - char *break_chars; - - if(!PyArg_ParseTuple(args, "s:set_completer_delims", &break_chars)) { - return NULL; - } - free((void*)rl_completer_word_break_characters); - rl_completer_word_break_characters = strdup(break_chars); - Py_RETURN_NONE; + char *break_chars; + + if(!PyArg_ParseTuple(args, "s:set_completer_delims", &break_chars)) { + return NULL; + } + free((void*)rl_completer_word_break_characters); + rl_completer_word_break_characters = strdup(break_chars); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_set_completer_delims, @@ -359,31 +359,31 @@ set the readline word delimiters for tab-completion"); static PyObject * py_remove_history(PyObject *self, PyObject *args) { - int entry_number; - HIST_ENTRY *entry; - - if (!PyArg_ParseTuple(args, "i:remove_history", &entry_number)) - return NULL; - if (entry_number < 0) { - PyErr_SetString(PyExc_ValueError, - "History index cannot be negative"); - return NULL; - } - entry = remove_history(entry_number); - if (!entry) { - PyErr_Format(PyExc_ValueError, - "No history item at position %d", - entry_number); - return NULL; - } - /* free memory allocated for the history entry */ - if (entry->line) - free(entry->line); - if (entry->data) - free(entry->data); - free(entry); - - Py_RETURN_NONE; + int entry_number; + HIST_ENTRY *entry; + + if (!PyArg_ParseTuple(args, "i:remove_history", &entry_number)) + return NULL; + if (entry_number < 0) { + PyErr_SetString(PyExc_ValueError, + "History index cannot be negative"); + return NULL; + } + entry = remove_history(entry_number); + if (!entry) { + PyErr_Format(PyExc_ValueError, + "No history item at position %d", + entry_number); + return NULL; + } + /* free memory allocated for the history entry */ + if (entry->line) + free(entry->line); + if (entry->data) + free(entry->data); + free(entry); + + Py_RETURN_NONE; } PyDoc_STRVAR(doc_remove_history, @@ -393,34 +393,34 @@ remove history item given by its position"); static PyObject * py_replace_history(PyObject *self, PyObject *args) { - int entry_number; - char *line; - HIST_ENTRY *old_entry; - - if (!PyArg_ParseTuple(args, "is:replace_history", &entry_number, - &line)) { - return NULL; - } - if (entry_number < 0) { - PyErr_SetString(PyExc_ValueError, - "History index cannot be negative"); - return NULL; - } - old_entry = replace_history_entry(entry_number, line, (void *)NULL); - if (!old_entry) { - PyErr_Format(PyExc_ValueError, - "No history item at position %d", - entry_number); - return NULL; - } - /* free memory allocated for the old history entry */ - if (old_entry->line) - free(old_entry->line); - if (old_entry->data) - free(old_entry->data); - free(old_entry); - - Py_RETURN_NONE; + int entry_number; + char *line; + HIST_ENTRY *old_entry; + + if (!PyArg_ParseTuple(args, "is:replace_history", &entry_number, + &line)) { + return NULL; + } + if (entry_number < 0) { + PyErr_SetString(PyExc_ValueError, + "History index cannot be negative"); + return NULL; + } + old_entry = replace_history_entry(entry_number, line, (void *)NULL); + if (!old_entry) { + PyErr_Format(PyExc_ValueError, + "No history item at position %d", + entry_number); + return NULL; + } + /* free memory allocated for the old history entry */ + if (old_entry->line) + free(old_entry->line); + if (old_entry->data) + free(old_entry->data); + free(old_entry); + + Py_RETURN_NONE; } PyDoc_STRVAR(doc_replace_history, @@ -432,13 +432,13 @@ replaces history item given by its position with contents of line"); static PyObject * py_add_history(PyObject *self, PyObject *args) { - char *line; + char *line; - if(!PyArg_ParseTuple(args, "s:add_history", &line)) { - return NULL; - } - add_history(line); - Py_RETURN_NONE; + if(!PyArg_ParseTuple(args, "s:add_history", &line)) { + return NULL; + } + add_history(line); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_add_history, @@ -451,7 +451,7 @@ add a line to the history buffer"); static PyObject * get_completer_delims(PyObject *self, PyObject *noarg) { - return PyUnicode_FromString(rl_completer_word_break_characters); + return PyUnicode_FromString(rl_completer_word_break_characters); } PyDoc_STRVAR(doc_get_completer_delims, @@ -464,7 +464,7 @@ get the readline word delimiters for tab-completion"); static PyObject * set_completer(PyObject *self, PyObject *args) { - return set_hook("completer", &completer, args); + return set_hook("completer", &completer, args); } PyDoc_STRVAR(doc_set_completer, @@ -478,11 +478,11 @@ It should return the next possible completion starting with 'text'."); static PyObject * get_completer(PyObject *self, PyObject *noargs) { - if (completer == NULL) { - Py_RETURN_NONE; - } - Py_INCREF(completer); - return completer; + if (completer == NULL) { + Py_RETURN_NONE; + } + Py_INCREF(completer); + return completer; } PyDoc_STRVAR(doc_get_completer, @@ -495,39 +495,39 @@ Returns current completer function."); static PyObject * get_history_item(PyObject *self, PyObject *args) { - int idx = 0; - HIST_ENTRY *hist_ent; + int idx = 0; + HIST_ENTRY *hist_ent; - if (!PyArg_ParseTuple(args, "i:index", &idx)) - return NULL; + if (!PyArg_ParseTuple(args, "i:index", &idx)) + return NULL; #ifdef __APPLE__ - if (using_libedit_emulation) { - /* Libedit emulation uses 0-based indexes, - * the real one uses 1-based indexes, - * adjust the index to ensure that Python - * code doesn't have to worry about the - * difference. - */ - HISTORY_STATE *hist_st; - hist_st = history_get_history_state(); - - idx --; - - /* - * Apple's readline emulation crashes when - * the index is out of range, therefore - * test for that and fail gracefully. - */ - if (idx < 0 || idx >= hist_st->length) { - Py_RETURN_NONE; - } - } + if (using_libedit_emulation) { + /* Libedit emulation uses 0-based indexes, + * the real one uses 1-based indexes, + * adjust the index to ensure that Python + * code doesn't have to worry about the + * difference. + */ + HISTORY_STATE *hist_st; + hist_st = history_get_history_state(); + + idx --; + + /* + * Apple's readline emulation crashes when + * the index is out of range, therefore + * test for that and fail gracefully. + */ + if (idx < 0 || idx >= hist_st->length) { + Py_RETURN_NONE; + } + } #endif /* __APPLE__ */ - if ((hist_ent = history_get(idx))) - return PyUnicode_FromString(hist_ent->line); - else { - Py_RETURN_NONE; - } + if ((hist_ent = history_get(idx))) + return PyUnicode_FromString(hist_ent->line); + else { + Py_RETURN_NONE; + } } PyDoc_STRVAR(doc_get_history_item, @@ -540,10 +540,10 @@ return the current contents of history item at index."); static PyObject * get_current_history_length(PyObject *self, PyObject *noarg) { - HISTORY_STATE *hist_st; + HISTORY_STATE *hist_st; - hist_st = history_get_history_state(); - return PyLong_FromLong(hist_st ? (long) hist_st->length : (long) 0); + hist_st = history_get_history_state(); + return PyLong_FromLong(hist_st ? (long) hist_st->length : (long) 0); } PyDoc_STRVAR(doc_get_current_history_length, @@ -556,7 +556,7 @@ return the current (not the maximum) length of history."); static PyObject * get_line_buffer(PyObject *self, PyObject *noarg) { - return PyUnicode_FromString(rl_line_buffer); + return PyUnicode_FromString(rl_line_buffer); } PyDoc_STRVAR(doc_get_line_buffer, @@ -571,8 +571,8 @@ return the current contents of the line buffer."); static PyObject * py_clear_history(PyObject *self, PyObject *noarg) { - clear_history(); - Py_RETURN_NONE; + clear_history(); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_clear_history, @@ -586,11 +586,11 @@ Clear the current readline history."); static PyObject * insert_text(PyObject *self, PyObject *args) { - char *s; - if (!PyArg_ParseTuple(args, "s:insert_text", &s)) - return NULL; - rl_insert_text(s); - Py_RETURN_NONE; + char *s; + if (!PyArg_ParseTuple(args, "s:insert_text", &s)) + return NULL; + rl_insert_text(s); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_insert_text, @@ -603,8 +603,8 @@ Insert text into the command line."); static PyObject * redisplay(PyObject *self, PyObject *noarg) { - rl_redisplay(); - Py_RETURN_NONE; + rl_redisplay(); + Py_RETURN_NONE; } PyDoc_STRVAR(doc_redisplay, @@ -617,50 +617,50 @@ contents of the line buffer."); static struct PyMethodDef readline_methods[] = { - {"parse_and_bind", parse_and_bind, METH_VARARGS, doc_parse_and_bind}, - {"get_line_buffer", get_line_buffer, METH_NOARGS, doc_get_line_buffer}, - {"insert_text", insert_text, METH_VARARGS, doc_insert_text}, - {"redisplay", redisplay, METH_NOARGS, doc_redisplay}, - {"read_init_file", read_init_file, METH_VARARGS, doc_read_init_file}, - {"read_history_file", read_history_file, - METH_VARARGS, doc_read_history_file}, - {"write_history_file", write_history_file, - METH_VARARGS, doc_write_history_file}, - {"get_history_item", get_history_item, - METH_VARARGS, doc_get_history_item}, - {"get_current_history_length", (PyCFunction)get_current_history_length, - METH_NOARGS, doc_get_current_history_length}, - {"set_history_length", set_history_length, - METH_VARARGS, set_history_length_doc}, - {"get_history_length", get_history_length, - METH_NOARGS, get_history_length_doc}, - {"set_completer", set_completer, METH_VARARGS, doc_set_completer}, - {"get_completer", get_completer, METH_NOARGS, doc_get_completer}, - {"get_completion_type", get_completion_type, - METH_NOARGS, doc_get_completion_type}, - {"get_begidx", get_begidx, METH_NOARGS, doc_get_begidx}, - {"get_endidx", get_endidx, METH_NOARGS, doc_get_endidx}, - - {"set_completer_delims", set_completer_delims, - METH_VARARGS, doc_set_completer_delims}, - {"add_history", py_add_history, METH_VARARGS, doc_add_history}, - {"remove_history_item", py_remove_history, METH_VARARGS, doc_remove_history}, - {"replace_history_item", py_replace_history, METH_VARARGS, doc_replace_history}, - {"get_completer_delims", get_completer_delims, - METH_NOARGS, doc_get_completer_delims}, - - {"set_completion_display_matches_hook", set_completion_display_matches_hook, - METH_VARARGS, doc_set_completion_display_matches_hook}, - {"set_startup_hook", set_startup_hook, - METH_VARARGS, doc_set_startup_hook}, + {"parse_and_bind", parse_and_bind, METH_VARARGS, doc_parse_and_bind}, + {"get_line_buffer", get_line_buffer, METH_NOARGS, doc_get_line_buffer}, + {"insert_text", insert_text, METH_VARARGS, doc_insert_text}, + {"redisplay", redisplay, METH_NOARGS, doc_redisplay}, + {"read_init_file", read_init_file, METH_VARARGS, doc_read_init_file}, + {"read_history_file", read_history_file, + METH_VARARGS, doc_read_history_file}, + {"write_history_file", write_history_file, + METH_VARARGS, doc_write_history_file}, + {"get_history_item", get_history_item, + METH_VARARGS, doc_get_history_item}, + {"get_current_history_length", (PyCFunction)get_current_history_length, + METH_NOARGS, doc_get_current_history_length}, + {"set_history_length", set_history_length, + METH_VARARGS, set_history_length_doc}, + {"get_history_length", get_history_length, + METH_NOARGS, get_history_length_doc}, + {"set_completer", set_completer, METH_VARARGS, doc_set_completer}, + {"get_completer", get_completer, METH_NOARGS, doc_get_completer}, + {"get_completion_type", get_completion_type, + METH_NOARGS, doc_get_completion_type}, + {"get_begidx", get_begidx, METH_NOARGS, doc_get_begidx}, + {"get_endidx", get_endidx, METH_NOARGS, doc_get_endidx}, + + {"set_completer_delims", set_completer_delims, + METH_VARARGS, doc_set_completer_delims}, + {"add_history", py_add_history, METH_VARARGS, doc_add_history}, + {"remove_history_item", py_remove_history, METH_VARARGS, doc_remove_history}, + {"replace_history_item", py_replace_history, METH_VARARGS, doc_replace_history}, + {"get_completer_delims", get_completer_delims, + METH_NOARGS, doc_get_completer_delims}, + + {"set_completion_display_matches_hook", set_completion_display_matches_hook, + METH_VARARGS, doc_set_completion_display_matches_hook}, + {"set_startup_hook", set_startup_hook, + METH_VARARGS, doc_set_startup_hook}, #ifdef HAVE_RL_PRE_INPUT_HOOK - {"set_pre_input_hook", set_pre_input_hook, - METH_VARARGS, doc_set_pre_input_hook}, + {"set_pre_input_hook", set_pre_input_hook, + METH_VARARGS, doc_set_pre_input_hook}, #endif #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER - {"clear_history", py_clear_history, METH_NOARGS, doc_clear_history}, + {"clear_history", py_clear_history, METH_NOARGS, doc_clear_history}, #endif - {0, 0} + {0, 0} }; @@ -669,47 +669,47 @@ static struct PyMethodDef readline_methods[] = static int on_hook(PyObject *func) { - int result = 0; - if (func != NULL) { - PyObject *r; + int result = 0; + if (func != NULL) { + PyObject *r; #ifdef WITH_THREAD - PyGILState_STATE gilstate = PyGILState_Ensure(); + PyGILState_STATE gilstate = PyGILState_Ensure(); #endif - r = PyObject_CallFunction(func, NULL); - if (r == NULL) - goto error; - if (r == Py_None) - result = 0; - else { - result = PyLong_AsLong(r); - if (result == -1 && PyErr_Occurred()) - goto error; - } - Py_DECREF(r); - goto done; - error: - PyErr_Clear(); - Py_XDECREF(r); - done: + r = PyObject_CallFunction(func, NULL); + if (r == NULL) + goto error; + if (r == Py_None) + result = 0; + else { + result = PyLong_AsLong(r); + if (result == -1 && PyErr_Occurred()) + goto error; + } + Py_DECREF(r); + goto done; + error: + PyErr_Clear(); + Py_XDECREF(r); + done: #ifdef WITH_THREAD - PyGILState_Release(gilstate); + PyGILState_Release(gilstate); #endif - return result; - } - return result; + return result; + } + return result; } static int on_startup_hook(void) { - return on_hook(startup_hook); + return on_hook(startup_hook); } #ifdef HAVE_RL_PRE_INPUT_HOOK static int on_pre_input_hook(void) { - return on_hook(pre_input_hook); + return on_hook(pre_input_hook); } #endif @@ -718,42 +718,42 @@ on_pre_input_hook(void) static void on_completion_display_matches_hook(char **matches, - int num_matches, int max_length) + int num_matches, int max_length) { - int i; - PyObject *m=NULL, *s=NULL, *r=NULL; + int i; + PyObject *m=NULL, *s=NULL, *r=NULL; #ifdef WITH_THREAD - PyGILState_STATE gilstate = PyGILState_Ensure(); + PyGILState_STATE gilstate = PyGILState_Ensure(); #endif - m = PyList_New(num_matches); - if (m == NULL) - goto error; - for (i = 0; i < num_matches; i++) { - s = PyUnicode_FromString(matches[i+1]); - if (s == NULL) - goto error; - if (PyList_SetItem(m, i, s) == -1) - goto error; - } - r = PyObject_CallFunction(completion_display_matches_hook, - "sOi", matches[0], m, max_length); - - Py_DECREF(m); m=NULL; - - if (r == NULL || - (r != Py_None && PyLong_AsLong(r) == -1 && PyErr_Occurred())) { - goto error; - } - Py_XDECREF(r); r=NULL; - - if (0) { - error: - PyErr_Clear(); - Py_XDECREF(m); - Py_XDECREF(r); - } + m = PyList_New(num_matches); + if (m == NULL) + goto error; + for (i = 0; i < num_matches; i++) { + s = PyUnicode_FromString(matches[i+1]); + if (s == NULL) + goto error; + if (PyList_SetItem(m, i, s) == -1) + goto error; + } + r = PyObject_CallFunction(completion_display_matches_hook, + "sOi", matches[0], m, max_length); + + Py_DECREF(m); m=NULL; + + if (r == NULL || + (r != Py_None && PyLong_AsLong(r) == -1 && PyErr_Occurred())) { + goto error; + } + Py_XDECREF(r); r=NULL; + + if (0) { + error: + PyErr_Clear(); + Py_XDECREF(m); + Py_XDECREF(r); + } #ifdef WITH_THREAD - PyGILState_Release(gilstate); + PyGILState_Release(gilstate); #endif } @@ -763,37 +763,37 @@ on_completion_display_matches_hook(char **matches, static char * on_completion(const char *text, int state) { - char *result = NULL; - if (completer != NULL) { - PyObject *r; + char *result = NULL; + if (completer != NULL) { + PyObject *r; #ifdef WITH_THREAD - PyGILState_STATE gilstate = PyGILState_Ensure(); + PyGILState_STATE gilstate = PyGILState_Ensure(); #endif - rl_attempted_completion_over = 1; - r = PyObject_CallFunction(completer, "si", text, state); - if (r == NULL) - goto error; - if (r == Py_None) { - result = NULL; - } - else { - char *s = _PyUnicode_AsString(r); - if (s == NULL) - goto error; - result = strdup(s); - } - Py_DECREF(r); - goto done; - error: - PyErr_Clear(); - Py_XDECREF(r); - done: + rl_attempted_completion_over = 1; + r = PyObject_CallFunction(completer, "si", text, state); + if (r == NULL) + goto error; + if (r == Py_None) { + result = NULL; + } + else { + char *s = _PyUnicode_AsString(r); + if (s == NULL) + goto error; + result = strdup(s); + } + Py_DECREF(r); + goto done; + error: + PyErr_Clear(); + Py_XDECREF(r); + done: #ifdef WITH_THREAD - PyGILState_Release(gilstate); + PyGILState_Release(gilstate); #endif - return result; - } - return result; + return result; + } + return result; } @@ -804,16 +804,16 @@ static char ** flex_complete(char *text, int start, int end) { #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER - rl_completion_append_character ='\0'; + rl_completion_append_character ='\0'; #endif #ifdef HAVE_RL_COMPLETION_SUPPRESS_APPEND - rl_completion_suppress_append = 0; + rl_completion_suppress_append = 0; #endif - Py_XDECREF(begidx); - Py_XDECREF(endidx); - begidx = PyLong_FromLong((long) start); - endidx = PyLong_FromLong((long) end); - return completion_matches(text, *on_completion); + Py_XDECREF(begidx); + Py_XDECREF(endidx); + begidx = PyLong_FromLong((long) start); + endidx = PyLong_FromLong((long) end); + return completion_matches(text, *on_completion); } @@ -823,45 +823,45 @@ static void setup_readline(void) { #ifdef SAVE_LOCALE - char *saved_locale = strdup(setlocale(LC_CTYPE, NULL)); - if (!saved_locale) - Py_FatalError("not enough memory to save locale"); + char *saved_locale = strdup(setlocale(LC_CTYPE, NULL)); + if (!saved_locale) + Py_FatalError("not enough memory to save locale"); #endif - using_history(); + using_history(); - rl_readline_name = "python"; + rl_readline_name = "python"; #if defined(PYOS_OS2) && defined(PYCC_GCC) - /* Allow $if term= in .inputrc to work */ - rl_terminal_name = getenv("TERM"); + /* Allow $if term= in .inputrc to work */ + rl_terminal_name = getenv("TERM"); #endif - /* Force rebind of TAB to insert-tab */ - rl_bind_key('\t', rl_insert); - /* Bind both ESC-TAB and ESC-ESC to the completion function */ - rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap); - rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap); - /* Set our hook functions */ - rl_startup_hook = (Function *)on_startup_hook; + /* Force rebind of TAB to insert-tab */ + rl_bind_key('\t', rl_insert); + /* Bind both ESC-TAB and ESC-ESC to the completion function */ + rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap); + rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap); + /* Set our hook functions */ + rl_startup_hook = (Function *)on_startup_hook; #ifdef HAVE_RL_PRE_INPUT_HOOK - rl_pre_input_hook = (Function *)on_pre_input_hook; + rl_pre_input_hook = (Function *)on_pre_input_hook; #endif - /* Set our completion function */ - rl_attempted_completion_function = (CPPFunction *)flex_complete; - /* Set Python word break characters */ - rl_completer_word_break_characters = - strdup(" \t\n`~!@#$%^&*()-=+[{]}\\|;:'\",<>/?"); - /* All nonalphanums except '.' */ - - begidx = PyLong_FromLong(0L); - endidx = PyLong_FromLong(0L); - /* Initialize (allows .inputrc to override) - * - * XXX: A bug in the readline-2.2 library causes a memory leak - * inside this function. Nothing we can do about it. - */ - rl_initialize(); - - RESTORE_LOCALE(saved_locale) + /* Set our completion function */ + rl_attempted_completion_function = (CPPFunction *)flex_complete; + /* Set Python word break characters */ + rl_completer_word_break_characters = + strdup(" \t\n`~!@#$%^&*()-=+[{]}\\|;:'\",<>/?"); + /* All nonalphanums except '.' */ + + begidx = PyLong_FromLong(0L); + endidx = PyLong_FromLong(0L); + /* Initialize (allows .inputrc to override) + * + * XXX: A bug in the readline-2.2 library causes a memory leak + * inside this function. Nothing we can do about it. + */ + rl_initialize(); + + RESTORE_LOCALE(saved_locale) } /* Wrapper around GNU readline that handles signals differently. */ @@ -869,12 +869,12 @@ setup_readline(void) #if defined(HAVE_RL_CALLBACK) && defined(HAVE_SELECT) -static char *completed_input_string; +static char *completed_input_string; static void rlhandler(char *text) { - completed_input_string = text; - rl_callback_handler_remove(); + completed_input_string = text; + rl_callback_handler_remove(); } extern PyThreadState* _PyOS_ReadlineTState; @@ -882,60 +882,60 @@ extern PyThreadState* _PyOS_ReadlineTState; static char * readline_until_enter_or_signal(char *prompt, int *signal) { - char * not_done_reading = ""; - fd_set selectset; + char * not_done_reading = ""; + fd_set selectset; - *signal = 0; + *signal = 0; #ifdef HAVE_RL_CATCH_SIGNAL - rl_catch_signals = 0; + rl_catch_signals = 0; #endif - rl_callback_handler_install (prompt, rlhandler); - FD_ZERO(&selectset); - - completed_input_string = not_done_reading; - - while (completed_input_string == not_done_reading) { - int has_input = 0; - - while (!has_input) - { struct timeval timeout = {0, 100000}; /* 0.1 seconds */ - - /* [Bug #1552726] Only limit the pause if an input hook has been - defined. */ - struct timeval *timeoutp = NULL; - if (PyOS_InputHook) - timeoutp = &timeout; - FD_SET(fileno(rl_instream), &selectset); - /* select resets selectset if no input was available */ - has_input = select(fileno(rl_instream) + 1, &selectset, - NULL, NULL, timeoutp); - if(PyOS_InputHook) PyOS_InputHook(); - } - - if(has_input > 0) { - rl_callback_read_char(); - } - else if (errno == EINTR) { - int s; + rl_callback_handler_install (prompt, rlhandler); + FD_ZERO(&selectset); + + completed_input_string = not_done_reading; + + while (completed_input_string == not_done_reading) { + int has_input = 0; + + while (!has_input) + { struct timeval timeout = {0, 100000}; /* 0.1 seconds */ + + /* [Bug #1552726] Only limit the pause if an input hook has been + defined. */ + struct timeval *timeoutp = NULL; + if (PyOS_InputHook) + timeoutp = &timeout; + FD_SET(fileno(rl_instream), &selectset); + /* select resets selectset if no input was available */ + has_input = select(fileno(rl_instream) + 1, &selectset, + NULL, NULL, timeoutp); + if(PyOS_InputHook) PyOS_InputHook(); + } + + if(has_input > 0) { + rl_callback_read_char(); + } + else if (errno == EINTR) { + int s; #ifdef WITH_THREAD - PyEval_RestoreThread(_PyOS_ReadlineTState); + PyEval_RestoreThread(_PyOS_ReadlineTState); #endif - s = PyErr_CheckSignals(); + s = PyErr_CheckSignals(); #ifdef WITH_THREAD - PyEval_SaveThread(); + PyEval_SaveThread(); #endif - if (s < 0) { - rl_free_line_state(); - rl_cleanup_after_signal(); - rl_callback_handler_remove(); - *signal = 1; - completed_input_string = NULL; - } - } - } - - return completed_input_string; + if (s < 0) { + rl_free_line_state(); + rl_cleanup_after_signal(); + rl_callback_handler_remove(); + *signal = 1; + completed_input_string = NULL; + } + } + } + + return completed_input_string; } @@ -949,31 +949,31 @@ static jmp_buf jbuf; static void onintr(int sig) { - longjmp(jbuf, 1); + longjmp(jbuf, 1); } static char * readline_until_enter_or_signal(char *prompt, int *signal) { - PyOS_sighandler_t old_inthandler; - char *p; - - *signal = 0; + PyOS_sighandler_t old_inthandler; + char *p; + + *signal = 0; - old_inthandler = PyOS_setsig(SIGINT, onintr); - if (setjmp(jbuf)) { + old_inthandler = PyOS_setsig(SIGINT, onintr); + if (setjmp(jbuf)) { #ifdef HAVE_SIGRELSE - /* This seems necessary on SunOS 4.1 (Rasmus Hahn) */ - sigrelse(SIGINT); + /* This seems necessary on SunOS 4.1 (Rasmus Hahn) */ + sigrelse(SIGINT); #endif - PyOS_setsig(SIGINT, old_inthandler); - *signal = 1; - return NULL; - } - rl_event_hook = PyOS_InputHook; - p = readline(prompt); - PyOS_setsig(SIGINT, old_inthandler); + PyOS_setsig(SIGINT, old_inthandler); + *signal = 1; + return NULL; + } + rl_event_hook = PyOS_InputHook; + p = readline(prompt); + PyOS_setsig(SIGINT, old_inthandler); return p; } @@ -983,82 +983,82 @@ readline_until_enter_or_signal(char *prompt, int *signal) static char * call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt) { - size_t n; - char *p, *q; - int signal; + size_t n; + char *p, *q; + int signal; #ifdef SAVE_LOCALE - char *saved_locale = strdup(setlocale(LC_CTYPE, NULL)); - if (!saved_locale) - Py_FatalError("not enough memory to save locale"); - setlocale(LC_CTYPE, ""); + char *saved_locale = strdup(setlocale(LC_CTYPE, NULL)); + if (!saved_locale) + Py_FatalError("not enough memory to save locale"); + setlocale(LC_CTYPE, ""); #endif - if (sys_stdin != rl_instream || sys_stdout != rl_outstream) { - rl_instream = sys_stdin; - rl_outstream = sys_stdout; + if (sys_stdin != rl_instream || sys_stdout != rl_outstream) { + rl_instream = sys_stdin; + rl_outstream = sys_stdout; #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER - rl_prep_terminal (1); + rl_prep_terminal (1); #endif - } - - p = readline_until_enter_or_signal(prompt, &signal); - - /* we got an interrupt signal */ - if (signal) { - RESTORE_LOCALE(saved_locale) - return NULL; - } - - /* We got an EOF, return a empty string. */ - if (p == NULL) { - p = PyMem_Malloc(1); - if (p != NULL) - *p = '\0'; - RESTORE_LOCALE(saved_locale) - return p; - } - - /* we have a valid line */ - n = strlen(p); - if (n > 0) { - char *line; - HISTORY_STATE *state = history_get_history_state(); - if (state->length > 0) + } + + p = readline_until_enter_or_signal(prompt, &signal); + + /* we got an interrupt signal */ + if (signal) { + RESTORE_LOCALE(saved_locale) + return NULL; + } + + /* We got an EOF, return a empty string. */ + if (p == NULL) { + p = PyMem_Malloc(1); + if (p != NULL) + *p = '\0'; + RESTORE_LOCALE(saved_locale) + return p; + } + + /* we have a valid line */ + n = strlen(p); + if (n > 0) { + char *line; + HISTORY_STATE *state = history_get_history_state(); + if (state->length > 0) #ifdef __APPLE__ - if (using_libedit_emulation) { - /* - * Libedit's emulation uses 0-based indexes, - * the real readline uses 1-based indexes. - */ - line = history_get(state->length - 1)->line; - } else + if (using_libedit_emulation) { + /* + * Libedit's emulation uses 0-based indexes, + * the real readline uses 1-based indexes. + */ + line = history_get(state->length - 1)->line; + } else #endif /* __APPLE__ */ - line = history_get(state->length)->line; - else - line = ""; - if (strcmp(p, line)) - add_history(p); - /* the history docs don't say so, but the address of state - changes each time history_get_history_state is called - which makes me think it's freshly malloc'd memory... - on the other hand, the address of the last line stays the - same as long as history isn't extended, so it appears to - be malloc'd but managed by the history package... */ - free(state); - } - /* Copy the malloc'ed buffer into a PyMem_Malloc'ed one and - release the original. */ - q = p; - p = PyMem_Malloc(n+2); - if (p != NULL) { - strncpy(p, q, n); - p[n] = '\n'; - p[n+1] = '\0'; - } - free(q); - RESTORE_LOCALE(saved_locale) - return p; + line = history_get(state->length)->line; + else + line = ""; + if (strcmp(p, line)) + add_history(p); + /* the history docs don't say so, but the address of state + changes each time history_get_history_state is called + which makes me think it's freshly malloc'd memory... + on the other hand, the address of the last line stays the + same as long as history isn't extended, so it appears to + be malloc'd but managed by the history package... */ + free(state); + } + /* Copy the malloc'ed buffer into a PyMem_Malloc'ed one and + release the original. */ + q = p; + p = PyMem_Malloc(n+2); + if (p != NULL) { + strncpy(p, q, n); + p[n] = '\n'; + p[n+1] = '\0'; + } + free(q); + RESTORE_LOCALE(saved_locale) + return p; } @@ -1073,41 +1073,41 @@ PyDoc_STRVAR(doc_module_le, #endif /* __APPLE__ */ static struct PyModuleDef readlinemodule = { - PyModuleDef_HEAD_INIT, - "readline", - doc_module, - -1, - readline_methods, - NULL, - NULL, - NULL, - NULL + PyModuleDef_HEAD_INIT, + "readline", + doc_module, + -1, + readline_methods, + NULL, + NULL, + NULL, + NULL }; PyMODINIT_FUNC PyInit_readline(void) { - PyObject *m; + PyObject *m; #ifdef __APPLE__ - if (strncmp(rl_library_version, libedit_version_tag, strlen(libedit_version_tag)) == 0) { - using_libedit_emulation = 1; - } + if (strncmp(rl_library_version, libedit_version_tag, strlen(libedit_version_tag)) == 0) { + using_libedit_emulation = 1; + } - if (using_libedit_emulation) - readlinemodule.m_doc = doc_module_le; + if (using_libedit_emulation) + readlinemodule.m_doc = doc_module_le; #endif /* __APPLE__ */ - m = PyModule_Create(&readlinemodule); + m = PyModule_Create(&readlinemodule); - if (m == NULL) - return NULL; + if (m == NULL) + return NULL; - PyOS_ReadlineFunctionPointer = call_readline; - setup_readline(); - return m; + PyOS_ReadlineFunctionPointer = call_readline; + setup_readline(); + return m; } |