diff options
Diffstat (limited to 'gdb/cli/cli-decode.c')
| -rw-r--r-- | gdb/cli/cli-decode.c | 75 |
1 files changed, 59 insertions, 16 deletions
diff --git a/gdb/cli/cli-decode.c b/gdb/cli/cli-decode.c index 3821fafb186..d64b2f64290 100644 --- a/gdb/cli/cli-decode.c +++ b/gdb/cli/cli-decode.c @@ -40,6 +40,46 @@ static struct cmd_list_element *find_cmd (char *command, static void help_all (struct ui_file *stream); +/* Set the callback function for the specified command. For each both + the commands callback and func() are set. The latter set to a + bounce function (unless cfunc / sfunc is NULL that is). */ + +static void +do_cfunc (struct cmd_list_element *c, char *args, int from_tty) +{ + c->function.cfunc (args, from_tty); /* Ok. */ +} + +void +set_cmd_cfunc (struct cmd_list_element *cmd, + void (*cfunc) (char *args, int from_tty)) +{ + if (cfunc == NULL) + cmd->func = NULL; + else + cmd->func = do_cfunc; + cmd->function.cfunc = cfunc; /* Ok. */ +} + +static void +do_sfunc (struct cmd_list_element *c, char *args, int from_tty) +{ + c->function.sfunc (args, from_tty, c); /* Ok. */ +} + +void +set_cmd_sfunc (struct cmd_list_element *cmd, + void (*sfunc) (char *args, int from_tty, + struct cmd_list_element * c)) +{ + if (sfunc == NULL) + cmd->func = NULL; + else + cmd->func = do_sfunc; + cmd->function.sfunc = sfunc; /* Ok. */ +} + + /* Add element named NAME. CLASS is the top level category into which commands are broken down for "help" purposes. @@ -85,7 +125,7 @@ add_cmd (char *name, enum command_class class, void (*fun) (char *, int), c->name = name; c->class = class; - c->function.cfunc = fun; + set_cmd_cfunc (c, fun); c->doc = doc; c->flags = 0; c->replacement = NULL; @@ -165,7 +205,10 @@ add_alias_cmd (char *name, char *oldname, enum command_class class, return 0; } - c = add_cmd (name, class, old->function.cfunc, old->doc, list); + c = add_cmd (name, class, NULL, old->doc, list); + /* NOTE: Both FUNC and all the FUNCTIONs need to be copied. */ + c->func = old->func; + c->function = old->function; c->prefixlist = old->prefixlist; c->prefixname = old->prefixname; c->allow_unknown = old->allow_unknown; @@ -244,7 +287,7 @@ add_set_cmd (char *name, c->var = var; /* This needs to be something besides NULL so that this isn't treated as a help class. */ - c->function.sfunc = empty_sfunc; + set_cmd_sfunc (c, empty_sfunc); return c; } @@ -516,18 +559,18 @@ help_cmd (char *command, struct ui_file *stream) If c->prefixlist is nonzero, we have a prefix command. Print its documentation, then list its subcommands. - If c->function is nonzero, we really have a command. - Print its documentation and return. + If c->func is non NULL, we really have a command. Print its + documentation and return. - If c->function is zero, we have a class name. - Print its documentation (as if it were a command) - and then set class to the number of this class - so that the commands in the class will be listed. */ + If c->func is NULL, we have a class name. Print its + documentation (as if it were a command) and then set class to the + number of this class so that the commands in the class will be + listed. */ fputs_filtered (c->doc, stream); fputs_filtered ("\n", stream); - if (c->prefixlist == 0 && c->function.cfunc != NULL) + if (c->prefixlist == 0 && c->func != NULL) return; fprintf_filtered (stream, "\n"); @@ -536,7 +579,7 @@ help_cmd (char *command, struct ui_file *stream) help_list (*c->prefixlist, c->prefixname, all_commands, stream); /* If this is a class name, print all of the commands in the class */ - if (c->function.cfunc == NULL) + if (c->func == NULL) help_list (cmdlist, "", c->class, stream); if (c->hook_pre || c->hook_post) @@ -620,7 +663,7 @@ help_all (struct ui_file *stream) help_cmd_list (*c->prefixlist, all_commands, c->prefixname, 0, stream); /* If this is a class name, print all of the commands in the class */ - else if (c->function.cfunc == NULL) + else if (c->func == NULL) help_cmd_list (cmdlist, c->class, "", 0, stream); } } @@ -681,8 +724,8 @@ help_cmd_list (struct cmd_list_element *list, enum command_class class, { if (c->abbrev_flag == 0 && (class == all_commands - || (class == all_classes && c->function.cfunc == NULL) - || (class == c->class && c->function.cfunc != NULL))) + || (class == all_classes && c->func == NULL) + || (class == c->class && c->func != NULL))) { fprintf_filtered (stream, "%s%s -- ", prefix, c->name); print_doc_line (stream, c->doc); @@ -710,7 +753,7 @@ find_cmd (char *command, int len, struct cmd_list_element *clist, *nfound = 0; for (c = clist; c; c = c->next) if (!strncmp (command, c->name, len) - && (!ignore_help_classes || c->function.cfunc)) + && (!ignore_help_classes || c->func)) { found = c; (*nfound)++; @@ -1241,7 +1284,7 @@ complete_on_cmdlist (struct cmd_list_element *list, char *text, char *word) for (ptr = list; ptr; ptr = ptr->next) if (!strncmp (ptr->name, text, textlen) && !ptr->abbrev_flag - && (ptr->function.cfunc + && (ptr->func || ptr->prefixlist)) { if (matches == sizeof_matchlist) |