diff options
| -rw-r--r-- | gdb/ChangeLog | 12 | ||||
| -rw-r--r-- | gdb/completer.c | 22 | ||||
| -rw-r--r-- | gdb/eval.c | 2 | ||||
| -rw-r--r-- | gdb/expression.h | 4 | ||||
| -rw-r--r-- | gdb/parse.c | 30 | ||||
| -rw-r--r-- | gdb/value.h | 2 |
6 files changed, 38 insertions, 34 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index fae9db0..a137560 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,17 @@ 2018-02-21 Tom Tromey <tom@tromey.com> + * value.h: (extract_field_op): Update. + * eval.c (extract_field_op): Return a const char *. + * expression.h (parse_expression_for_completion): Update. + * completer.c (complete_expression): Update. + (add_struct_fields): Make fieldname const. + * parse.c (expout_completion_name): Now a unique_xmalloc_ptr. + (mark_completion_tag, parse_exp_in_context_1): Update. + (parse_expression_for_completion): Change "name" to + unique_xmalloc_ptr*. + +2018-02-21 Tom Tromey <tom@tromey.com> + * infcall.c (call_function_by_hand_dummy): Use std::vector. 2018-02-21 Yao Qi <yao.qi@linaro.org> diff --git a/gdb/completer.c b/gdb/completer.c index a71bd36..4de1bcf 100644 --- a/gdb/completer.c +++ b/gdb/completer.c @@ -962,7 +962,7 @@ location_completer_handle_brkchars (struct cmd_list_element *ignore, static void add_struct_fields (struct type *type, completion_list &output, - char *fieldname, int namelen) + const char *fieldname, int namelen) { int i; int computed_type_name = 0; @@ -1016,12 +1016,11 @@ complete_expression (completion_tracker &tracker, const char *text, const char *word) { struct type *type = NULL; - char *fieldname; + gdb::unique_xmalloc_ptr<char> fieldname; enum type_code code = TYPE_CODE_UNDEF; /* Perform a tentative parse of the expression, to see whether a field completion is required. */ - fieldname = NULL; TRY { type = parse_expression_for_completion (text, &fieldname, &code); @@ -1032,7 +1031,7 @@ complete_expression (completion_tracker &tracker, } END_CATCH - if (fieldname && type) + if (fieldname != nullptr && type) { for (;;) { @@ -1045,25 +1044,20 @@ complete_expression (completion_tracker &tracker, if (TYPE_CODE (type) == TYPE_CODE_UNION || TYPE_CODE (type) == TYPE_CODE_STRUCT) { - int flen = strlen (fieldname); completion_list result; - add_struct_fields (type, result, fieldname, flen); - xfree (fieldname); + add_struct_fields (type, result, fieldname.get (), + strlen (fieldname.get ())); tracker.add_completions (std::move (result)); return; } } - else if (fieldname && code != TYPE_CODE_UNDEF) + else if (fieldname != nullptr && code != TYPE_CODE_UNDEF) { - struct cleanup *cleanup = make_cleanup (xfree, fieldname); - - collect_symbol_completion_matches_type (tracker, fieldname, fieldname, - code); - do_cleanups (cleanup); + collect_symbol_completion_matches_type (tracker, fieldname.get (), + fieldname.get (), code); return; } - xfree (fieldname); complete_files_symbols (tracker, text, word); } @@ -272,7 +272,7 @@ fetch_subexp_value (struct expression *exp, int *pc, struct value **valp, subexpression of the left-hand-side of the dereference. This is used when completing field names. */ -char * +const char * extract_field_op (struct expression *exp, int *subexp) { int tem; diff --git a/gdb/expression.h b/gdb/expression.h index 030f2f0..7abd7f7 100644 --- a/gdb/expression.h +++ b/gdb/expression.h @@ -101,8 +101,8 @@ extern expression_up parse_expression (const char *); extern expression_up parse_expression_with_language (const char *string, enum language lang); -extern struct type *parse_expression_for_completion (const char *, char **, - enum type_code *); +extern struct type *parse_expression_for_completion + (const char *, gdb::unique_xmalloc_ptr<char> *, enum type_code *); extern expression_up parse_exp_1 (const char **, CORE_ADDR pc, const struct block *, int); diff --git a/gdb/parse.c b/gdb/parse.c index e3f1306..3abb9d4 100644 --- a/gdb/parse.c +++ b/gdb/parse.c @@ -88,7 +88,7 @@ static int expout_last_struct = -1; static enum type_code expout_tag_completion_type = TYPE_CODE_UNDEF; /* The token for tagged type name completion. */ -static char *expout_completion_name; +static gdb::unique_xmalloc_ptr<char> expout_completion_name; static unsigned int expressiondebug = 0; @@ -575,9 +575,7 @@ mark_completion_tag (enum type_code tag, const char *ptr, int length) || tag == TYPE_CODE_STRUCT || tag == TYPE_CODE_ENUM); expout_tag_completion_type = tag; - expout_completion_name = (char *) xmalloc (length + 1); - memcpy (expout_completion_name, ptr, length); - expout_completion_name[length] = '\0'; + expout_completion_name.reset (xstrndup (ptr, length)); } @@ -1137,8 +1135,7 @@ parse_exp_in_context_1 (const char **stringptr, CORE_ADDR pc, type_stack.depth = 0; expout_last_struct = -1; expout_tag_completion_type = TYPE_CODE_UNDEF; - xfree (expout_completion_name); - expout_completion_name = NULL; + expout_completion_name.reset (); comma_terminates = comma; @@ -1277,11 +1274,11 @@ parse_expression_with_language (const char *string, enum language lang) reference; furthermore, if the parsing ends in the field name, return the field name in *NAME. If the parsing ends in the middle of a field reference, but the reference is somehow invalid, throw - an exception. In all other cases, return NULL. Returned non-NULL - *NAME must be freed by the caller. */ + an exception. In all other cases, return NULL. */ struct type * -parse_expression_for_completion (const char *string, char **name, +parse_expression_for_completion (const char *string, + gdb::unique_xmalloc_ptr<char> *name, enum type_code *code) { expression_up exp; @@ -1306,23 +1303,24 @@ parse_expression_for_completion (const char *string, char **name, if (expout_tag_completion_type != TYPE_CODE_UNDEF) { *code = expout_tag_completion_type; - *name = expout_completion_name; - expout_completion_name = NULL; + *name = std::move (expout_completion_name); return NULL; } if (expout_last_struct == -1) return NULL; - *name = extract_field_op (exp.get (), &subexp); - if (!*name) - return NULL; + const char *fieldname = extract_field_op (exp.get (), &subexp); + if (fieldname == NULL) + { + name->reset (); + return NULL; + } + name->reset (xstrdup (fieldname)); /* This might throw an exception. If so, we want to let it propagate. */ val = evaluate_subexpression_type (exp.get (), subexp); - /* (*NAME) is a part of the EXP memory block freed below. */ - *name = xstrdup (*name); return value_type (val); } diff --git a/gdb/value.h b/gdb/value.h index e0ea22d..5676d24 100644 --- a/gdb/value.h +++ b/gdb/value.h @@ -889,7 +889,7 @@ extern void fetch_subexp_value (struct expression *exp, int *pc, struct value **val_chain, int preserve_errors); -extern char *extract_field_op (struct expression *exp, int *subexp); +extern const char *extract_field_op (struct expression *exp, int *subexp); extern struct value *evaluate_subexp_with_coercion (struct expression *, int *, enum noside); |