diff options
Diffstat (limited to 'gdb/utils.c')
| -rw-r--r-- | gdb/utils.c | 226 |
1 files changed, 103 insertions, 123 deletions
diff --git a/gdb/utils.c b/gdb/utils.c index c110ef4..c00bfd4 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -66,6 +66,7 @@ #include "interps.h" #include "gdb_regex.h" #include "job-control.h" +#include "cp-support.h" #if !HAVE_DECL_MALLOC extern PTR malloc (); /* ARI: PTR */ @@ -136,54 +137,6 @@ show_pagination_enabled (struct ui_file *file, int from_tty, because while they use the "cleanup API" they are not part of the "cleanup API". */ -static void -do_freeargv (void *arg) -{ - freeargv ((char **) arg); -} - -struct cleanup * -make_cleanup_freeargv (char **arg) -{ - return make_cleanup (do_freeargv, arg); -} - -/* Helper function which does the work for make_cleanup_fclose. */ - -static void -do_fclose_cleanup (void *arg) -{ - FILE *file = (FILE *) arg; - - fclose (file); -} - -/* Return a new cleanup that closes FILE. */ - -struct cleanup * -make_cleanup_fclose (FILE *file) -{ - return make_cleanup (do_fclose_cleanup, file); -} - -/* Helper function which does the work for make_cleanup_obstack_free. */ - -static void -do_obstack_free (void *arg) -{ - struct obstack *ob = (struct obstack *) arg; - - obstack_free (ob, NULL); -} - -/* Return a new cleanup that frees OBSTACK. */ - -struct cleanup * -make_cleanup_obstack_free (struct obstack *obstack) -{ - return make_cleanup (do_obstack_free, obstack); -} - /* Helper function for make_cleanup_ui_out_redirect_pop. */ static void @@ -304,46 +257,6 @@ make_cleanup_value_free (struct value *value) return make_cleanup (do_value_free, value); } -/* Helper for make_cleanup_free_so. */ - -static void -do_free_so (void *arg) -{ - struct so_list *so = (struct so_list *) arg; - - free_so (so); -} - -/* Make cleanup handler calling free_so for SO. */ - -struct cleanup * -make_cleanup_free_so (struct so_list *so) -{ - return make_cleanup (do_free_so, so); -} - -/* Helper for make_cleanup_restore_current_language. */ - -static void -do_restore_current_language (void *p) -{ - enum language saved_lang = (enum language) (uintptr_t) p; - - set_language (saved_lang); -} - -/* Remember the current value of CURRENT_LANGUAGE and make it restored when - the cleanup is run. */ - -struct cleanup * -make_cleanup_restore_current_language (void) -{ - enum language saved_lang = current_language->la_language; - - return make_cleanup (do_restore_current_language, - (void *) (uintptr_t) saved_lang); -} - /* Helper function for make_cleanup_clear_parser_state. */ static void @@ -1277,13 +1190,10 @@ query (const char *ctlstr, ...) static int host_char_to_target (struct gdbarch *gdbarch, int c, int *target_c) { - struct obstack host_data; char the_char = c; - struct cleanup *cleanups; int result = 0; - obstack_init (&host_data); - cleanups = make_cleanup_obstack_free (&host_data); + auto_obstack host_data; convert_between_encodings (target_charset (gdbarch), host_charset (), (gdb_byte *) &the_char, 1, 1, @@ -1295,7 +1205,6 @@ host_char_to_target (struct gdbarch *gdbarch, int c, int *target_c) *target_c = *(char *) obstack_base (&host_data); } - do_cleanups (cleanups); return result; } @@ -2385,41 +2294,72 @@ fprintf_symbol_filtered (struct ui_file *stream, const char *name, } } -/* Do a strcmp() type operation on STRING1 and STRING2, ignoring any - differences in whitespace. Returns 0 if they match, non-zero if they - don't (slightly different than strcmp()'s range of return values). +/* Modes of operation for strncmp_iw_with_mode. */ - As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO". - This "feature" is useful when searching for matching C++ function names - (such as if the user types 'break FOO', where FOO is a mangled C++ - function). */ +enum class strncmp_iw_mode +{ + /* Work like strncmp, while ignoring whitespace. */ + NORMAL, -int -strcmp_iw (const char *string1, const char *string2) + /* Like NORMAL, but also apply the strcmp_iw hack. I.e., + string1=="FOO(PARAMS)" matches string2=="FOO". */ + MATCH_PARAMS, +}; + +/* Helper for strncmp_iw and strcmp_iw. */ + +static int +strncmp_iw_with_mode (const char *string1, const char *string2, + size_t string2_len, strncmp_iw_mode mode) { - while ((*string1 != '\0') && (*string2 != '\0')) + const char *end_str2 = string2 + string2_len; + + while (1) { while (isspace (*string1)) - { - string1++; - } - while (isspace (*string2)) - { - string2++; - } + string1++; + while (string2 < end_str2 && isspace (*string2)) + string2++; + if (*string1 == '\0' || string2 == end_str2) + break; if (case_sensitivity == case_sensitive_on && *string1 != *string2) break; if (case_sensitivity == case_sensitive_off && (tolower ((unsigned char) *string1) != tolower ((unsigned char) *string2))) break; - if (*string1 != '\0') - { - string1++; - string2++; - } + + string1++; + string2++; } - return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0'); + + if (string2 == end_str2) + { + if (mode == strncmp_iw_mode::NORMAL) + return 0; + else + return (*string1 != '\0' && *string1 != '('); + } + else + return 1; +} + +/* See utils.h. */ + +int +strncmp_iw (const char *string1, const char *string2, size_t string2_len) +{ + return strncmp_iw_with_mode (string1, string2, string2_len, + strncmp_iw_mode::NORMAL); +} + +/* See utils.h. */ + +int +strcmp_iw (const char *string1, const char *string2) +{ + return strncmp_iw_with_mode (string1, string2, strlen (string2), + strncmp_iw_mode::MATCH_PARAMS); } /* This is like strcmp except that it ignores whitespace and treats @@ -2912,19 +2852,18 @@ ldirname (const char *filename) return dirname; } -/* Call libiberty's buildargv, and return the result. - If buildargv fails due to out-of-memory, call nomem. - Therefore, the returned value is guaranteed to be non-NULL, - unless the parameter itself is NULL. */ +/* See utils.h. */ -char ** -gdb_buildargv (const char *s) +void +gdb_argv::reset (const char *s) { char **argv = buildargv (s); if (s != NULL && argv == NULL) malloc_failure (0); - return argv; + + freeargv (m_argv); + m_argv = argv; } int @@ -3367,6 +3306,47 @@ find_toplevel_char (const char *s, char c) depth++; else if ((*scan == ')' || *scan == '>') && depth > 0) depth--; + else if (*scan == 'o' && !quoted && depth == 0) + { + /* Handle C++ operator names. */ + if (strncmp (scan, CP_OPERATOR_STR, CP_OPERATOR_LEN) == 0) + { + scan += CP_OPERATOR_LEN; + if (*scan == c) + return scan; + while (isspace (*scan)) + { + ++scan; + if (*scan == c) + return scan; + } + if (*scan == '\0') + break; + + switch (*scan) + { + /* Skip over one less than the appropriate number of + characters: the for loop will skip over the last + one. */ + case '<': + if (scan[1] == '<') + { + scan++; + if (*scan == c) + return scan; + } + break; + case '>': + if (scan[1] == '>') + { + scan++; + if (*scan == c) + return scan; + } + break; + } + } + } } return 0; |