#include "mi/mi-cmds.h"
#include "target.h"
#include "arch-utils.h"
+#include <ctype.h>
+#include "cli/cli-utils.h"
+#include "filenames.h"
-/* We share this one with symtab.c, but it is not exported widely. */
-
-extern char *operator_chars (char *, char **);
-
-/* Prototypes for local functions */
+/* Prototypes for local functions. */
static void initialize_defaults (struct symtab **default_symtab,
int *default_line);
static struct symtabs_and_lines decode_objc (char **argptr,
int funfirstline,
struct symtab *file_symtab,
- char ***canonical,
+ struct linespec_result *canonical,
char *saved_arg);
static struct symtabs_and_lines decode_compound (char **argptr,
int funfirstline,
- char ***canonical,
+ struct linespec_result *canonical,
+ struct symtab *file_symtab,
char *saved_arg,
- char *p,
- int *not_found_ptr);
+ char *p);
-static struct symbol *lookup_prefix_sym (char **argptr, char *p);
+static struct symbol *lookup_prefix_sym (char **argptr, char *p,
+ struct symtab *);
static struct symtabs_and_lines find_method (int funfirstline,
- char ***canonical,
+ struct linespec_result *canonical,
char *saved_arg,
char *copy,
struct type *t,
struct symbol *sym_class,
- int *not_found_ptr);
+ struct symtab *);
static void cplusplus_error (const char *name, const char *fmt, ...)
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (2, 3);
static int total_number_of_methods (struct type *type);
static int find_methods (struct type *, char *,
- enum language, struct symbol **);
+ enum language, struct symbol **, struct symtab *);
static int add_matching_methods (int method_counter, struct type *t,
enum language language,
struct symbol **sym_arr);
static void build_canonical_line_spec (struct symtab_and_line *,
- char *, char ***);
+ char *, struct linespec_result *);
static char *find_toplevel_char (char *s, char c);
static int is_objc_method_format (const char *s);
static struct symtabs_and_lines decode_line_2 (struct symbol *[],
- int, int, char ***);
+ int, int,
+ struct linespec_result *);
static struct symtab *symtab_from_filename (char **argptr,
- char *p, int is_quote_enclosed,
- int *not_found_ptr);
+ char *p, int is_quote_enclosed);
+
+static struct symbol *find_function_symbol (char **argptr, char *p,
+ int is_quote_enclosed);
static struct
symtabs_and_lines decode_all_digits (char **argptr,
struct symtab *default_symtab,
int default_line,
- char ***canonical,
+ struct linespec_result *canonical,
struct symtab *file_symtab,
char *q);
static struct symtabs_and_lines decode_dollar (char *copy,
int funfirstline,
struct symtab *default_symtab,
- char ***canonical,
+ struct linespec_result *canonical,
struct symtab *file_symtab);
-static int decode_label (char *copy, char ***canonical,
+static int decode_label (struct symbol *function_symbol,
+ char *copy, struct linespec_result *canonical,
struct symtabs_and_lines *result);
static struct symtabs_and_lines decode_variable (char *copy,
int funfirstline,
- char ***canonical,
- struct symtab *file_symtab,
- int *not_found_ptr);
+ struct linespec_result *canonical,
+ struct symtab *file_symtab);
static struct
symtabs_and_lines symbol_found (int funfirstline,
- char ***canonical,
+ struct linespec_result *canonical,
char *copy,
struct symbol *sym,
- struct symtab *file_symtab);
+ struct symtab *file_symtab,
+ struct symbol *function_symbol);
static struct
symtabs_and_lines minsym_found (int funfirstline,
struct minimal_symbol *msymbol);
-/* Helper functions. */
+/* Helper functions. */
/* Issue a helpful hint on using the command completion feature on
single quoted demangled C++ symbols as part of the completion
}
/* Return the number of methods described for TYPE, including the
- methods from types it derives from. This can't be done in the symbol
+ methods from types it derives from. This can't be done in the symbol
reader because the type of the baseclass might still be stubbed
when the definition of the derived class is parsed. */
return count;
}
+/* Returns the block to be used for symbol searches for the given SYMTAB,
+ which may be NULL. */
+
+static struct block *
+get_search_block (struct symtab *symtab)
+{
+ struct block *block;
+
+ if (symtab != NULL)
+ block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (symtab), STATIC_BLOCK);
+ else
+ {
+ enum language save_language;
+
+ /* get_selected_block can change the current language when there is
+ no selected frame yet. */
+ save_language = current_language->la_language;
+ block = get_selected_block (0);
+ set_language (save_language);
+ }
+
+ return block;
+}
+
/* Recursive helper function for decode_line_1.
Look for methods named NAME in type T.
Return number of matches.
static int
find_methods (struct type *t, char *name, enum language language,
- struct symbol **sym_arr)
+ struct symbol **sym_arr, struct symtab *file_symtab)
{
int i1 = 0;
int ibase;
char *class_name = type_name_no_tag (t);
+ struct cleanup *cleanup;
+ char *canon;
+
+ /* NAME is typed by the user: it needs to be canonicalized before
+ passing to lookup_symbol. */
+ canon = cp_canonicalize_string_no_typedefs (name);
+ if (canon != NULL)
+ {
+ name = canon;
+ cleanup = make_cleanup (xfree, name);
+ }
+ else
+ cleanup = make_cleanup (null_cleanup, NULL);
/* Ignore this class if it doesn't have a name. This is ugly, but
unless we figure out how to get the physname without the name of
the class, then the loop can't do any good. */
if (class_name
- && (lookup_symbol_in_language (class_name, (struct block *) NULL,
+ && (lookup_symbol_in_language (class_name, get_search_block (file_symtab),
STRUCT_DOMAIN, language, (int *) NULL)))
{
int method_counter;
if (i1 == 0)
for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++)
i1 += find_methods (TYPE_BASECLASS (t, ibase), name,
- language, sym_arr + i1);
+ language, sym_arr + i1, file_symtab);
+ do_cleanups (cleanup);
return i1;
}
--field_counter)
{
struct fn_field *f;
- char *phys_name;
+ const char *phys_name;
f = TYPE_FN_FIELDLIST1 (t, method_counter);
if (TYPE_FN_FIELD_STUB (f, field_counter))
{
- char *tmp_name;
+ char *tmp_name, *tmp2;
tmp_name = gdb_mangle_name (t,
method_counter,
field_counter);
- phys_name = alloca (strlen (tmp_name) + 1);
- strcpy (phys_name, tmp_name);
+ tmp2 = alloca (strlen (tmp_name) + 1);
+ strcpy (tmp2, tmp_name);
xfree (tmp_name);
+ phys_name = tmp2;
}
else
phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter);
else
{
/* This error message gets printed, but the method
- still seems to be found
+ still seems to be found.
fputs_filtered("(Cannot find method ", gdb_stdout);
fprintf_symbol_filtered (gdb_stdout, phys_name,
- language_cplus,
- DMGL_PARAMS | DMGL_ANSI);
+ language_cplus,
+ DMGL_PARAMS | DMGL_ANSI);
fputs_filtered(" - possibly inlined.)\n", gdb_stdout);
*/
}
--field_counter)
{
struct fn_field *f;
- char *phys_name;
+ const char *phys_name;
f = TYPE_FN_FIELDLIST1 (t, method_counter);
static void
build_canonical_line_spec (struct symtab_and_line *sal, char *symname,
- char ***canonical)
+ struct linespec_result *canonical)
{
char **canonical_arr;
char *canonical_name;
if (s == (struct symtab *) NULL
|| s->filename == (char *) NULL
- || canonical == (char ***) NULL)
+ || canonical == NULL)
return;
canonical_arr = (char **) xmalloc (sizeof (char *));
- *canonical = canonical_arr;
+ canonical->canonical = canonical_arr;
filename = s->filename;
if (symname != NULL)
}
/* Determines if the gives string corresponds to an Objective-C method
- representation, such as -[Foo bar:] or +[Foo bar]. Objective-C symbols
+ representation, such as -[Foo bar:] or +[Foo bar]. Objective-C symbols
are allowed to have spaces and parentheses in them. */
static int
static struct symtabs_and_lines
decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
- char ***canonical)
+ struct linespec_result *canonical)
{
struct symtabs_and_lines values, return_values;
char *args, *arg1;
canonical_arr = (char **) xmalloc (nelts * sizeof (char *));
make_cleanup (xfree, canonical_arr);
memset (canonical_arr, 0, nelts * sizeof (char *));
- *canonical = canonical_arr;
+ canonical->canonical = canonical_arr;
}
i = 0;
return return_values;
}
+/* Valid delimiters for linespec keywords "if", "thread" or "task". */
+
+static int
+is_linespec_boundary (char c)
+{
+ return c == ' ' || c == '\t' || c == '\0' || c == ',';
+}
+
/* A helper function for decode_line_1 and friends which skips P
past any method overload information at the beginning of P, e.g.,
"(const struct foo *)".
return p;
}
+
+/* Keep important information used when looking up a name. This includes
+ template parameters, overload information, and important keywords, including
+ the possible Java trailing type. */
+
+static char *
+keep_name_info (char *p, int on_boundary)
+{
+ const char *quotes = get_gdb_completer_quote_characters ();
+ char *saved_p = p;
+ int nest = 0;
+
+ while (*p)
+ {
+ if (strchr (quotes, *p))
+ break;
+
+ if (*p == ',' && !nest)
+ break;
+
+ if (on_boundary && !nest)
+ {
+ const char *const words[] = { "if", "thread", "task" };
+ int wordi;
+
+ for (wordi = 0; wordi < ARRAY_SIZE (words); wordi++)
+ if (strncmp (p, words[wordi], strlen (words[wordi])) == 0
+ && is_linespec_boundary (p[strlen (words[wordi])]))
+ break;
+ if (wordi < ARRAY_SIZE (words))
+ break;
+ }
+
+ if (*p == '(' || *p == '<' || *p == '[')
+ nest++;
+ else if ((*p == ')' || *p == '>' || *p == ']') && nest > 0)
+ nest--;
+
+ p++;
+
+ /* The ',' check could fail on "operator ,". */
+ p += cp_validate_operator (p);
+
+ on_boundary = is_linespec_boundary (p[-1]);
+ }
+
+ while (p > saved_p && is_linespec_boundary (p[-1]))
+ p--;
+
+ return p;
+}
+
\f
-/* The parser of linespec itself. */
+/* The parser of linespec itself. */
/* Parse a string that specifies a line number.
Pass the address of a char * variable; that variable will be
DEFAULT_LINE specifies the line number to use for relative
line numbers (that start with signs). Defaults to current_source_line.
If CANONICAL is non-NULL, store an array of strings containing the canonical
- line specs there if necessary. Currently overloaded member functions and
+ line specs there if necessary. Currently overloaded member functions and
line numbers or static functions without a filename yield a canonical
- line spec. The array and the line spec strings are allocated on the heap,
+ line spec. The array and the line spec strings are allocated on the heap,
it is the callers responsibility to free them.
Note that it is possible to return zero for the symtab
if no file is validly specified. Callers must check that.
- Also, the line number returned may be invalid.
-
- If NOT_FOUND_PTR is not null, store a boolean true/false value at
- the location, based on whether or not failure occurs due to an
- unknown function or file. In the case where failure does occur due
- to an unknown function or file, do not issue an error message. */
+ Also, the line number returned may be invalid. */
/* We allow single quotes in various places. This is a hideous
kludge, which exists because the completer can't yet deal with the
struct symtabs_and_lines
decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
- int default_line, char ***canonical, int *not_found_ptr)
+ int default_line, struct linespec_result *canonical)
{
char *p;
char *q;
/* This says whether or not something in *ARGPTR is quoted with
completer_quotes (i.e. with single quotes). */
int is_quoted;
- /* Is *ARGPTR is enclosed in double quotes? */
+ /* Is *ARGPTR enclosed in double quotes? */
int is_quote_enclosed;
int is_objc_method = 0;
char *saved_arg = *argptr;
/* If IS_QUOTED, the end of the quoted bit. */
char *end_quote = NULL;
+ /* Is *ARGPTR enclosed in single quotes? */
+ int is_squote_enclosed = 0;
/* The "first half" of the linespec. */
char *first_half;
- if (not_found_ptr)
- *not_found_ptr = 0;
+ /* If we are parsing `function:label', this holds the symbol for the
+ function. */
+ struct symbol *function_symbol = NULL;
+ /* If FUNCTION_SYMBOL is not NULL, then this is the exception that
+ was thrown when trying to parse a filename. */
+ volatile struct gdb_exception file_exception;
/* Defaults have defaults. */
if (**argptr == '*')
return decode_indirect (argptr);
- is_quoted = (*argptr
- && strchr (get_gdb_completer_quote_characters (),
- **argptr) != NULL);
+ is_quoted = (strchr (get_gdb_completer_quote_characters (),
+ **argptr) != NULL);
+
if (is_quoted)
- end_quote = skip_quoted (*argptr);
+ {
+ end_quote = skip_quoted (*argptr);
+ if (*end_quote == '\0')
+ is_squote_enclosed = 1;
+ }
/* Check to see if it's a multipart linespec (with colons or
periods). */
/* Locate the end of the first half of the linespec.
After the call, for instance, if the argptr string is "foo.c:123"
p will point at "123". If there is only one part, like "foo", p
- will point to "". If this is a C++ name, like "A::B::foo", p will
- point to "::B::foo". Argptr is not changed by this call. */
+ will point to "". If this is a C++ name, like "A::B::foo", p will
+ point to "::B::foo". Argptr is not changed by this call. */
first_half = p = locate_first_half (argptr, &is_quote_enclosed);
+ /* First things first: if ARGPTR starts with a filename, get its
+ symtab and strip the filename from ARGPTR. */
+ TRY_CATCH (file_exception, RETURN_MASK_ERROR)
+ {
+ file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed);
+ }
+
+ if (file_exception.reason >= 0)
+ {
+ /* Check for single quotes on the non-filename part. */
+ is_quoted = (**argptr
+ && strchr (get_gdb_completer_quote_characters (),
+ **argptr) != NULL);
+ if (is_quoted)
+ end_quote = skip_quoted (*argptr);
+
+ /* Locate the next "half" of the linespec. */
+ first_half = p = locate_first_half (argptr, &is_quote_enclosed);
+ }
+
/* Check if this is an Objective-C method (anything that starts with
a '+' or '-' and a '['). */
if (is_objc_method_format (p))
{
struct symtabs_and_lines values;
- values = decode_objc (argptr, funfirstline, NULL,
+ values = decode_objc (argptr, funfirstline, file_symtab,
canonical, saved_arg);
if (values.sals != NULL)
return values;
{
/* Is it a C++ or Java compound data structure?
The check on p[1] == ':' is capturing the case of "::",
- since p[0]==':' was checked above.
+ since p[0]==':' was checked above.
Note that the call to decode_compound does everything
for us, including the lookup on the symbol table, so we
- can return now. */
+ can return now. */
if (p[0] == '.' || p[1] == ':')
{
struct symtabs_and_lines values;
+ volatile struct gdb_exception ex;
+ char *saved_argptr = *argptr;
if (is_quote_enclosed)
++saved_arg;
- values = decode_compound (argptr, funfirstline, canonical,
- saved_arg, p, not_found_ptr);
- if (is_quoted && **argptr == '\'')
+
+ /* Initialize it just to avoid a GCC false warning. */
+ memset (&values, 0, sizeof (values));
+
+ TRY_CATCH (ex, RETURN_MASK_ERROR)
+ {
+ values = decode_compound (argptr, funfirstline, canonical,
+ file_symtab, saved_arg, p);
+ }
+ if ((is_quoted || is_squote_enclosed) && **argptr == '\'')
*argptr = *argptr + 1;
- return values;
- }
- /* No, the first part is a filename; set file_symtab to be that file's
- symtab. Also, move argptr past the filename. */
+ if (ex.reason >= 0)
+ return values;
- file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed,
- not_found_ptr);
+ if (ex.error != NOT_FOUND_ERROR)
+ throw_exception (ex);
- /* Check for single quotes on the non-filename part. */
- if (!is_quoted)
+ *argptr = saved_argptr;
+ }
+ else
{
- is_quoted = (**argptr
- && strchr (get_gdb_completer_quote_characters (),
- **argptr) != NULL);
- if (is_quoted)
- end_quote = skip_quoted (*argptr);
+ /* If there was an exception looking up a specified filename earlier,
+ then check whether we were really given `function:label'. */
+ if (file_exception.reason < 0)
+ {
+ function_symbol = find_function_symbol (argptr, p,
+ is_quote_enclosed);
+ /* If we did not find a function, re-throw the original
+ exception. */
+ if (!function_symbol)
+ throw_exception (file_exception);
+ }
+
+ /* Check for single quotes on the non-filename part. */
+ if (!is_quoted)
+ {
+ is_quoted = (**argptr
+ && strchr (get_gdb_completer_quote_characters (),
+ **argptr) != NULL);
+ if (is_quoted)
+ end_quote = skip_quoted (*argptr);
+ }
}
}
/* file_symtab is specified file's symtab, or 0 if no file specified.
+ If we are parsing `function:symbol', then FUNCTION_SYMBOL is the
+ function before the `:'.
arg no longer contains the file name. */
/* If the filename was quoted, we must re-check the quotation. */
while (*q >= '0' && *q <= '9')
q++;
- if (q != *argptr && (*q == 0 || *q == ' ' || *q == '\t' || *q == ','))
+ if (q != *argptr && (*q == 0 || *q == ' ' || *q == '\t' || *q == ',')
+ && function_symbol == NULL)
/* We found a token consisting of all digits -- at least one digit. */
return decode_all_digits (argptr, default_symtab, default_line,
canonical, file_symtab, q);
if (**argptr == '$') /* May be a convenience variable. */
/* One or two $ chars possible. */
p = skip_quoted (*argptr + (((*argptr)[1] == '$') ? 2 : 1));
- else if (is_quoted)
+ else if (is_quoted || is_squote_enclosed)
{
p = end_quote;
if (p[-1] != '\'')
}
else if (is_objc_method)
{
- /* allow word separators in method names for Obj-C */
+ /* allow word separators in method names for Obj-C. */
p = skip_quoted_chars (*argptr, NULL, "");
}
else
p = skip_quoted (*argptr);
}
- /* Keep any template parameters */
- if (*p == '<')
- p = find_template_name_end (p);
-
- /* Keep method overload information. */
- if (*p == '(')
- p = find_method_overload_end (p);
-
- /* Make sure we keep important kewords like "const" */
- if (strncmp (p, " const", 6) == 0)
- p += 6;
+ /* Keep any important naming information. */
+ p = keep_name_info (p, p == saved_arg || is_linespec_boundary (p[-1]));
copy = (char *) alloca (p - *argptr + 1);
memcpy (copy, *argptr, p - *argptr);
copy[p - *argptr - 1] = '\0';
copy++;
}
- else if (is_quoted)
+ else if (is_quoted || is_squote_enclosed)
copy[p - *argptr - 1] = '\0';
while (*p == ' ' || *p == '\t')
p++;
(e.g. HP-UX millicode routines such as $$dyncall), or it may
be history value, or it may be a convenience variable. */
- if (*copy == '$')
+ if (*copy == '$' && function_symbol == NULL)
return decode_dollar (copy, funfirstline, default_symtab,
canonical, file_symtab);
if (!file_symtab)
{
struct symtabs_and_lines label_result;
- if (decode_label (copy, canonical, &label_result))
+ if (decode_label (function_symbol, copy, canonical, &label_result))
return label_result;
}
+ if (function_symbol)
+ throw_exception (file_exception);
+
/* Look up that token as a variable.
If file specified, use that file's per-file block to start with. */
- return decode_variable (copy, funfirstline, canonical,
- file_symtab, not_found_ptr);
+ return decode_variable (copy, funfirstline, canonical, file_symtab);
}
\f
{
/* Use whatever we have for the default source line. We don't use
get_current_or_default_symtab_and_line as it can recurse and call
- us back! */
+ us back! */
struct symtab_and_line cursal =
get_current_source_symtab_and_line ();
CORE_ADDR pc;
(*argptr)++;
- pc = parse_and_eval_address_1 (argptr);
+ pc = value_as_address (parse_to_comma_and_eval (argptr));
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
has_comma = (ii != 0);
/* Temporarily zap out second half to not confuse the code below.
- This is undone below. Do not change ii!! */
+ This is undone below. Do not change ii!! */
if (has_comma)
{
*ii = '\0';
++p;
}
}
+
+
+ /* Check for a drive letter in the filename. This is done on all hosts
+ to capture cross-compilation environments. On Unixen, directory
+ separators are illegal in filenames, so if the user enters "e:/foo.c",
+ he is referring to a directory named "e:" and a source file named
+ "foo.c", and we still want to keep these two pieces together. */
+ if (isalpha (p[0]) && p[1] == ':' && IS_DIR_SEPARATOR (p[2]))
+ p += 3;
+
for (; *p; p++)
{
if (p[0] == '<')
error (_("malformed template specification in command"));
p = temp_end;
}
+
+ if (p[0] == '(')
+ p = find_method_overload_end (p);
+
/* Check for a colon and a plus or minus and a [ (which
- indicates an Objective-C method) */
+ indicates an Objective-C method). */
if (is_objc_method_format (p))
{
break;
}
/* Check for the end of the first half of the linespec. End of
- line, a tab, a double colon or the last single colon, or a
- space. But if enclosed in double quotes we do not break on
- enclosed spaces. */
+ line, a tab, a colon or a space. But if enclosed in double
+ quotes we do not break on enclosed spaces. */
if (!*p
|| p[0] == '\t'
- || ((p[0] == ':')
- && ((p[1] == ':') || (strchr (p + 1, ':') == NULL)))
+ || (p[0] == ':')
|| ((p[0] == ' ') && !*is_quote_enclosed))
break;
if (p[0] == '.' && strchr (p, ':') == NULL)
struct symtabs_and_lines
decode_objc (char **argptr, int funfirstline, struct symtab *file_symtab,
- char ***canonical, char *saved_arg)
+ struct linespec_result *canonical, char *saved_arg)
{
struct symtabs_and_lines values;
struct symbol **sym_arr = NULL;
struct symbol *sym = NULL;
- char *copy = NULL;
struct block *block = NULL;
unsigned i1 = 0;
unsigned i2 = 0;
values.sals = NULL;
values.nelts = 0;
- if (file_symtab != NULL)
- block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (file_symtab), STATIC_BLOCK);
- else
- {
- enum language save_language;
-
- /* get_selected_block can change the current language when there is
- no selected frame yet. */
- save_language = current_language->la_language;
- block = get_selected_block (0);
- set_language (save_language);
- }
-
- copy = find_imps (file_symtab, block, *argptr, NULL, &i1, &i2);
+ find_imps (file_symtab, get_search_block (file_symtab), *argptr,
+ NULL, &i1, &i2);
if (i1 > 0)
{
- sym_arr = (struct symbol **) alloca ((i1 + 1) * sizeof (struct symbol *));
+ sym_arr = (struct symbol **)
+ alloca ((i1 + 1) * sizeof (struct symbol *));
sym_arr[i1] = NULL;
- copy = find_imps (file_symtab, block, *argptr, sym_arr, &i1, &i2);
- *argptr = copy;
+ *argptr = find_imps (file_symtab, block, *argptr, sym_arr, &i1, &i2);
}
/* i1 now represents the TOTAL number of matches found.
if (i1 > 1)
{
- /* More than one match. The user must choose one or more. */
+ /* More than one match. The user must choose one or more. */
return decode_line_2 (sym_arr, i2, funfirstline, canonical);
}
pointing to "AAA::inA::fun" and P pointing to "::inA::fun". */
static struct symtabs_and_lines
-decode_compound (char **argptr, int funfirstline, char ***canonical,
- char *saved_arg, char *p, int *not_found_ptr)
+decode_compound (char **argptr, int funfirstline,
+ struct linespec_result *canonical, struct symtab *file_symtab,
+ char *the_real_saved_arg, char *p)
{
struct symtabs_and_lines values;
- char *p2;
+ char *p2, *name, *canon;
char *saved_arg2 = *argptr;
char *temp_end;
struct symbol *sym;
char *copy;
struct symbol *sym_class;
struct type *t;
- char *saved_java_argptr = NULL;
+ char *saved_arg;
+ struct cleanup *cleanup;
+
+ /* If the user specified any completer quote characters in the input,
+ strip them. They are superfluous. */
+ saved_arg = alloca (strlen (the_real_saved_arg) + 1);
+ {
+ char *dst = saved_arg;
+ char *src = the_real_saved_arg;
+ char *quotes = get_gdb_completer_quote_characters ();
+ while (*src != '\0')
+ {
+ if (strchr (quotes, *src) == NULL)
+ *dst++ = *src;
+ ++src;
+ }
+ *dst = '\0';
+ }
/* First check for "global" namespace specification, of the form
"::foo". If found, skip over the colons and jump to normal
symbol processing. I.e. the whole line specification starts with
- "::" (note the condition that *argptr == p). */
+ "::" (note the condition that *argptr == p). */
if (p[0] == ':'
&& ((*argptr == p) || (p[-1] == ' ') || (p[-1] == '\t')))
saved_arg2 += 2;
find_method.
2) AAA::inA isn't the name of a class. In that case, either the
- user made a typo or AAA::inA is the name of a namespace.
- Either way, we just look up AAA::inA::fun with lookup_symbol.
+ user made a typo, AAA::inA is the name of a namespace, or it is
+ the name of a minimal symbol.
+ We just look up AAA::inA::fun with lookup_symbol. If that fails,
+ try lookup_minimal_symbol.
Thus, our first task is to find everything before the last set of
double-colons and figure out if it's the name of a class. So we
p2 = p; /* Save for restart. */
- /* This is very messy. Following the example above we have now the
+ /* This is very messy. Following the example above we have now the
following pointers:
p -> "::inA::fun"
argptr -> "AAA::inA::fun
saved_arg -> "AAA::inA::fun
saved_arg2 -> "AAA::inA::fun
- p2 -> "::inA::fun". */
+ p2 -> "::inA::fun". */
/* In the loop below, with these strings, we'll make 2 passes, each
- is marked in comments.*/
+ is marked in comments. */
while (1)
{
+ static char *break_characters = " \t(";
+
/* Move pointer up to next possible class/namespace token. */
p = p2 + 1; /* Restart with old value +1. */
/* PASS1: at this point p2->"::inA::fun", so p->":inA::fun",
i.e. if there is a double-colon, p will now point to the
- second colon. */
+ second colon. */
/* PASS2: p2->"::fun", p->":fun" */
/* Move pointer ahead to next double-colon. */
- while (*p && (p[0] != ' ') && (p[0] != '\t') && (p[0] != '\'')
- && (*p != '('))
+ while (*p
+ && strchr (break_characters, *p) == NULL
+ && strchr (get_gdb_completer_quote_characters (), *p) == NULL)
{
if (current_language->la_language == language_cplus)
p += cp_validate_operator (p);
/* Note that, since, at the start of this loop, p would be
pointing to the second colon in a double-colon, we only
satisfy the condition below if there is another
- double-colon to the right (after). I.e. there is another
- component that can be a class or a namespace. I.e, if at
+ double-colon to the right (after). I.e. there is another
+ component that can be a class or a namespace. I.e, if at
the beginning of this loop (PASS1), we had
p->":inA::fun", we'll trigger this when p has been
advanced to point to "::fun". */
- /* PASS2: we will not trigger this. */
+ /* PASS2: we will not trigger this. */
else if ((p[0] == ':') && (p[1] == ':'))
break; /* Found double-colon. */
else
- /* PASS2: We'll keep getting here, until p->"", at which point
- we exit this loop. */
- p++;
+ {
+ /* PASS2: We'll keep getting here, until P points to one of the
+ break characters, at which point we exit this loop. */
+ if (*p)
+ {
+ if (p[1] == '('
+ && strncmp (&p[1], CP_ANONYMOUS_NAMESPACE_STR,
+ CP_ANONYMOUS_NAMESPACE_LEN) == 0)
+ p += CP_ANONYMOUS_NAMESPACE_LEN;
+ else if (strchr (break_characters, *p) == NULL)
+ ++p;
+ }
+ }
}
if (*p != ':')
break; /* Out of the while (1). This would happen
for instance if we have looked up
unsuccessfully all the components of the
- string, and p->""(PASS2) */
+ string, and p->""(PASS2). */
- /* We get here if p points to ' ', '\t', '\'', "::" or ""(i.e
- string ended). */
+ /* We get here if p points to one of the break characters or "" (i.e.,
+ string ended). */
/* Save restart for next time around. */
p2 = p;
/* Restore argptr as it was on entry to this function. */
} /* while (1) */
- /* Start of lookup in the symbol tables. */
+ /* Start of lookup in the symbol tables. */
/* Lookup in the symbol table the substring between argptr and
- p. Note, this call changes the value of argptr. */
+ p. Note, this call changes the value of argptr. */
/* Before the call, argptr->"AAA::inA::fun",
p->"", p2->"::fun". After the call: argptr->"fun", p, p2
unchanged. */
- sym_class = lookup_prefix_sym (argptr, p2);
+ sym_class = lookup_prefix_sym (argptr, p2, file_symtab);
/* If sym_class has been found, and if "AAA::inA" is a class, then
we're in case 1 above. So we look up "fun" as a method of that
p += cp_validate_operator (p - 8) - 8;
}
- /* Keep any template parameters */
- if (*p == '<')
- p = find_template_name_end (p);
-
- /* Keep method overload information. */
- a = strchr (p, '(');
- if (a != NULL)
- p = find_method_overload_end (a);
-
- /* Make sure we keep important kewords like "const" */
- if (strncmp (p, " const", 6) == 0)
- p += 6;
-
- /* Java may append typenames, so assume that if there is
- anything else left in *argptr, it must be a typename. */
- if (*p && current_language->la_language == language_java)
- {
- struct type *type;
-
- p2 = p;
- while (*p2)
- ++p2;
- copy = (char *) alloca (p2 - p + 1);
- memcpy (copy, p, p2 - p);
- copy[p2 - p] = '\0';
- type = lookup_typename (current_language, get_current_arch (),
- copy, NULL, 1);
- if (type != NULL)
- {
- /* Save the location of this just in case this
- method/type combination isn't actually defined.
- It will be checked later. */
- saved_java_argptr = p;
- p = p2;
- }
- }
+ /* Keep any important naming information. */
+ p = keep_name_info (p, 1);
}
/* Allocate our own copy of the substring between argptr and
- p. */
+ p. */
copy = (char *) alloca (p - *argptr + 1);
memcpy (copy, *argptr, p - *argptr);
copy[p - *argptr] = '\0';
copy[p - *argptr - 1]) != NULL)
copy[p - *argptr - 1] = '\0';
- /* At this point copy->"fun", p->"" */
+ /* At this point copy->"fun", p->"". */
/* No line number may be specified. */
while (*p == ' ' || *p == '\t')
*argptr = p;
/* At this point arptr->"". */
- /* Look for copy as a method of sym_class. */
+ /* Look for copy as a method of sym_class. */
/* At this point copy->"fun", sym_class is "AAA:inA",
saved_arg->"AAA::inA::fun". This concludes the scanning of
the string for possible components matches. If we find it
- here, we return. If not, and we are at the and of the string,
+ here, we return. If not, and we are at the and of the string,
we'll lookup the whole string in the symbol tables. */
- values = find_method (funfirstline, canonical, saved_arg,
- copy, t, sym_class, not_found_ptr);
- if (saved_java_argptr != NULL && values.nelts == 1)
- {
- /* The user specified a specific return type for a java method.
- Double-check that it really is the one the user specified.
- [This is a necessary evil because strcmp_iw_ordered stops
- comparisons too prematurely.] */
- sym = find_pc_sect_function (values.sals[0].pc,
- values.sals[0].section);
- /* We just found a SAL, we had better be able to go backwards! */
- gdb_assert (sym != NULL);
- if (strcmp_iw (SYMBOL_LINKAGE_NAME (sym), saved_arg) != 0)
- {
- xfree (values.sals);
- error (_("the class `%s' does not have "
- "any method instance named %s"),
- SYMBOL_PRINT_NAME (sym_class), copy);
- }
- }
- return values;
- } /* End if symbol found */
+ return find_method (funfirstline, canonical, saved_arg, copy, t,
+ sym_class, file_symtab);
+ } /* End if symbol found. */
/* We couldn't find a class, so we're in case 2 above. We check the
entire name as a symbol instead. */
+ p = keep_name_info (p, 1);
+
copy = (char *) alloca (p - saved_arg2 + 1);
memcpy (copy, saved_arg2, p - saved_arg2);
/* Note: if is_quoted should be true, we snuff out quote here
/* Set argptr to skip over the name. */
*argptr = (*p == '\'') ? p + 1 : p;
- /* Look up entire name */
- sym = lookup_symbol (copy, 0, VAR_DOMAIN, 0);
+ /* Look up entire name. */
+ name = copy;
+
+ cleanup = make_cleanup (null_cleanup, NULL);
+ canon = cp_canonicalize_string_no_typedefs (copy);
+ if (canon != NULL)
+ {
+ name = canon;
+ make_cleanup (xfree, name);
+ }
+
+ sym = lookup_symbol (name, get_selected_block (0), VAR_DOMAIN, 0);
+ do_cleanups (cleanup);
if (sym)
- return symbol_found (funfirstline, canonical, copy, sym, NULL);
+ return symbol_found (funfirstline, canonical, copy, sym, NULL, NULL);
+ else
+ {
+ struct minimal_symbol *msym;
- /* Couldn't find any interpretation as classes/namespaces, so give
- up. The quotes are important if copy is empty. */
- if (not_found_ptr)
- *not_found_ptr = 1;
- cplusplus_error (saved_arg,
+ /* Couldn't find any interpretation as classes/namespaces. As a last
+ resort, try the minimal symbol tables. */
+ msym = lookup_minimal_symbol (copy, NULL, NULL);
+ if (msym != NULL)
+ return minsym_found (funfirstline, msym);
+ }
+
+ /* Couldn't find a minimal symbol, either, so give up. */
+ cplusplus_error (the_real_saved_arg,
"Can't find member of namespace, "
"class, struct, or union named \"%s\"\n",
copy);
example, say ARGPTR is "AAA::inA::fun" and P is "::inA::fun". */
static struct symbol *
-lookup_prefix_sym (char **argptr, char *p)
+lookup_prefix_sym (char **argptr, char *p, struct symtab *file_symtab)
{
char *p1;
char *copy;
*argptr = p;
/* At this point p1->"::inA::fun", p->"inA::fun" copy->"AAA",
- argptr->"inA::fun" */
+ argptr->"inA::fun". */
- sym = lookup_symbol (copy, 0, STRUCT_DOMAIN, 0);
+ sym = lookup_symbol (copy, get_search_block (file_symtab), STRUCT_DOMAIN, 0);
if (sym == NULL)
{
/* Typedefs are in VAR_DOMAIN so the above symbol lookup will
symbol is SYM_CLASS. */
static struct symtabs_and_lines
-find_method (int funfirstline, char ***canonical, char *saved_arg,
+find_method (int funfirstline, struct linespec_result *canonical,
+ char *saved_arg,
char *copy, struct type *t, struct symbol *sym_class,
- int *not_found_ptr)
+ struct symtab *file_symtab)
{
struct symtabs_and_lines values;
struct symbol *sym = NULL;
/* Find all methods with a matching name, and put them in
sym_arr. */
- i1 = find_methods (t, copy, SYMBOL_LANGUAGE (sym_class), sym_arr);
+ i1 = find_methods (t, copy, SYMBOL_LANGUAGE (sym_class), sym_arr,
+ file_symtab);
- if (i1 == 1)
+ /* If we were given a specific overload instance in COPY, defer the field
+ acceptance till the strcmp_iw verification below, even if we found just
+ a single field with that name. */
+ if (i1 == 1 && strchr (copy, '(') == NULL)
{
/* There is exactly one field with that name. */
sym = sym_arr[0];
/* If we were given a specific overload instance, use that
(or error if no matches were found). Otherwise ask the user
which one to use. */
- if (strchr (saved_arg, '(') != NULL)
+ if (strchr (copy, '('))
{
int i;
- char *name = saved_arg;
- char *canon = cp_canonicalize_string (name);
+ char *name;
+ char *canon;
struct cleanup *cleanup;
+ /* Construct the proper search name based on SYM_CLASS and COPY.
+ SAVED_ARG may contain a valid name, but that name might not be
+ what is actually stored in the symbol table. For example,
+ if SAVED_ARG (and SYM_CLASS) were found via an import
+ ("using namespace" in C++), then the physname of
+ SYM_CLASS ("A::myclass") may not be the same as SAVED_ARG
+ ("myclass"). */
+ name = xmalloc (strlen (SYMBOL_NATURAL_NAME (sym_class))
+ + 2 /* "::" */ + strlen (copy) + 1);
+ strcpy (name, SYMBOL_NATURAL_NAME (sym_class));
+ strcat (name, "::");
+ strcat (name, copy);
+ canon = cp_canonicalize_string_no_typedefs (name);
if (canon != NULL)
{
+ xfree (name);
name = canon;
- cleanup = make_cleanup (xfree, canon);
}
- else
- cleanup = make_cleanup (null_cleanup, NULL);
+ cleanup = make_cleanup (xfree, name);
for (i = 0; i < i1; ++i)
{
}
}
- error (_("the class `%s' does not have "
- "any method instance named %s"),
- SYMBOL_PRINT_NAME (sym_class), copy);
+ cplusplus_error (saved_arg, _("the class `%s' does not have "
+ "any method instance named %s"),
+ SYMBOL_PRINT_NAME (sym_class), copy);
}
return decode_line_2 (sym_arr, i1, funfirstline, canonical);
}
else
{
- if (not_found_ptr)
- *not_found_ptr = 1;
if (copy[0] == '~')
cplusplus_error (saved_arg,
"the class `%s' does not have destructor defined\n",
\f
/* Return the symtab associated to the filename given by the substring
- of *ARGPTR ending at P, and advance ARGPTR past that filename. If
- NOT_FOUND_PTR is not null and the source file is not found, store
- boolean true at the location pointed to and do not issue an
- error message. */
+ of *ARGPTR ending at P, and advance ARGPTR past that filename. */
static struct symtab *
-symtab_from_filename (char **argptr, char *p, int is_quote_enclosed,
- int *not_found_ptr)
+symtab_from_filename (char **argptr, char *p, int is_quote_enclosed)
{
char *p1;
char *copy;
file_symtab = lookup_symtab (copy);
if (file_symtab == 0)
{
- if (not_found_ptr)
- *not_found_ptr = 1;
if (!have_full_symbols () && !have_partial_symbols ())
throw_error (NOT_FOUND_ERROR,
_("No symbol table is loaded. "
}
/* Discard the file name from the arg. */
+ if (*p1 == '\0')
+ return file_symtab;
p = p1 + 1;
while (*p == ' ' || *p == '\t')
p++;
return file_symtab;
}
+/* Look up a function symbol in *ARGPTR. If found, advance *ARGPTR
+ and return the symbol. If not found, return NULL. */
+
+static struct symbol *
+find_function_symbol (char **argptr, char *p, int is_quote_enclosed)
+{
+ char *p1;
+ char *copy;
+ struct symbol *function_symbol;
+
+ p1 = p;
+ while (p != *argptr && p[-1] == ' ')
+ --p;
+ if ((*p == '"') && is_quote_enclosed)
+ --p;
+ copy = (char *) alloca (p - *argptr + 1);
+ memcpy (copy, *argptr, p - *argptr);
+ /* It may have the ending quote right after the file name. */
+ if ((is_quote_enclosed && copy[p - *argptr - 1] == '"')
+ || copy[p - *argptr - 1] == '\'')
+ copy[p - *argptr - 1] = 0;
+ else
+ copy[p - *argptr] = 0;
+
+ function_symbol = lookup_symbol (copy, get_selected_block (0),
+ VAR_DOMAIN, 0);
+ if (!function_symbol || SYMBOL_CLASS (function_symbol) != LOC_BLOCK)
+ return NULL;
+
+ /* Discard the file name from the arg. */
+ p = p1 + 1;
+ while (*p == ' ' || *p == '\t')
+ p++;
+ *argptr = p;
+
+ return function_symbol;
+}
+
\f
/* This decodes a line where the argument is all digits (possibly
static struct symtabs_and_lines
decode_all_digits (char **argptr, struct symtab *default_symtab,
- int default_line, char ***canonical,
+ int default_line, struct linespec_result *canonical,
struct symtab *file_symtab, char *q)
{
static struct symtabs_and_lines
decode_dollar (char *copy, int funfirstline, struct symtab *default_symtab,
- char ***canonical, struct symtab *file_symtab)
+ struct linespec_result *canonical, struct symtab *file_symtab)
{
LONGEST valx;
int index = 0;
need_canonical = 1;
/* Symbol was found --> jump to normal symbol processing. */
if (sym)
- return symbol_found (funfirstline, canonical, copy, sym, NULL);
+ return symbol_found (funfirstline, canonical, copy, sym, NULL, NULL);
/* If symbol was not found, look in minimal symbol tables. */
msymbol = lookup_minimal_symbol (copy, NULL, NULL);
/* A helper for decode_line_1 that tries to find a label. The label
is searched for in the current block.
+ FUNCTION_SYMBOL is the enclosing function; or NULL if none
+ specified.
COPY is the name of the label to find.
CANONICAL is the same as the "canonical" argument to decode_line_1.
RESULT is a pointer to a symtabs_and_lines structure which will be
This function returns 1 if a label was found, 0 otherwise. */
static int
-decode_label (char *copy, char ***canonical, struct symtabs_and_lines *result)
+decode_label (struct symbol *function_symbol, char *copy,
+ struct linespec_result *canonical,
+ struct symtabs_and_lines *result)
{
struct symbol *sym;
+ struct block *block;
+
+ if (function_symbol)
+ block = SYMBOL_BLOCK_VALUE (function_symbol);
+ else
+ {
+ block = get_selected_block (0);
+ for (;
+ block && !BLOCK_FUNCTION (block);
+ block = BLOCK_SUPERBLOCK (block))
+ ;
+ if (!block)
+ return 0;
+ function_symbol = BLOCK_FUNCTION (block);
+ }
- sym = lookup_symbol (copy, get_selected_block (0), LABEL_DOMAIN, 0);
+ sym = lookup_symbol (copy, block, LABEL_DOMAIN, 0);
if (sym != NULL)
- *result = symbol_found (0, canonical, copy, sym, NULL);
+ *result = symbol_found (0, canonical, copy, sym, NULL, function_symbol);
return sym != NULL;
}
/* Decode a linespec that's a variable. If FILE_SYMTAB is non-NULL,
- look in that symtab's static variables first. If NOT_FOUND_PTR is
- not NULL and the function cannot be found, store boolean true in
- the location pointed to and do not issue an error message. */
+ look in that symtab's static variables first. */
static struct symtabs_and_lines
-decode_variable (char *copy, int funfirstline, char ***canonical,
- struct symtab *file_symtab, int *not_found_ptr)
+decode_variable (char *copy, int funfirstline,
+ struct linespec_result *canonical,
+ struct symtab *file_symtab)
{
+ char *name, *canon;
struct symbol *sym;
+ struct cleanup *cleanup;
struct minimal_symbol *msymbol;
- sym = lookup_symbol (copy,
- (file_symtab
- ? BLOCKVECTOR_BLOCK (BLOCKVECTOR (file_symtab),
- STATIC_BLOCK)
- : get_selected_block (0)),
- VAR_DOMAIN, 0);
+ name = copy;
+ cleanup = make_cleanup (null_cleanup, NULL);
+ canon = cp_canonicalize_string_no_typedefs (copy);
+ if (canon != NULL)
+ {
+ name = canon;
+ make_cleanup (xfree, name);
+ }
+
+ sym = lookup_symbol (name, get_search_block (file_symtab), VAR_DOMAIN, 0);
if (sym != NULL)
- return symbol_found (funfirstline, canonical, copy, sym, file_symtab);
+ {
+ do_cleanups (cleanup);
+ return symbol_found (funfirstline, canonical, copy, sym,
+ file_symtab, NULL);
+ }
- msymbol = lookup_minimal_symbol (copy, NULL, NULL);
+ msymbol = lookup_minimal_symbol (name, NULL, NULL);
+ do_cleanups (cleanup);
if (msymbol != NULL)
return minsym_found (funfirstline, msymbol);
- if (not_found_ptr)
- *not_found_ptr = 1;
-
if (!have_full_symbols ()
&& !have_partial_symbols ()
&& !have_minimal_symbols ())
corresponding struct symtabs_and_lines. */
static struct symtabs_and_lines
-symbol_found (int funfirstline, char ***canonical, char *copy,
- struct symbol *sym, struct symtab *file_symtab)
+symbol_found (int funfirstline, struct linespec_result *canonical, char *copy,
+ struct symbol *sym, struct symtab *file_symtab,
+ struct symbol *function_symbol)
{
struct symtabs_and_lines values;
if (SYMBOL_CLASS (sym) == LOC_BLOCK)
{
- /* Arg is the name of a function */
+ /* Arg is the name of a function. */
values.sals = (struct symtab_and_line *)
xmalloc (sizeof (struct symtab_and_line));
values.sals[0] = find_function_start_sal (sym, funfirstline);
}
else
{
- if (funfirstline && SYMBOL_CLASS (sym) != LOC_LABEL)
- error (_("\"%s\" is not a function"), copy);
+ if (SYMBOL_CLASS (sym) == LOC_LABEL && SYMBOL_VALUE_ADDRESS (sym) != 0)
+ {
+ /* We know its line number. */
+ values.sals = (struct symtab_and_line *)
+ xmalloc (sizeof (struct symtab_and_line));
+ values.nelts = 1;
+ init_sal (&values.sals[0]);
+ values.sals[0].symtab = SYMBOL_SYMTAB (sym);
+ values.sals[0].line = SYMBOL_LINE (sym);
+ values.sals[0].pc = SYMBOL_VALUE_ADDRESS (sym);
+ values.sals[0].pspace = SYMTAB_PSPACE (SYMBOL_SYMTAB (sym));
+ values.sals[0].explicit_pc = 1;
+
+ if (canonical)
+ {
+ canonical->special_display = 1;
+ canonical->canonical = xmalloc (sizeof (char *));
+ canonical->canonical[0]
+ = xstrprintf ("%s:%s",
+ SYMBOL_NATURAL_NAME (function_symbol),
+ SYMBOL_NATURAL_NAME (sym));
+ }
+
+ return values;
+ }
+ else if (funfirstline)
+ {
+ /* NOT_FOUND_ERROR is not correct but it ensures COPY will be
+ searched also as a minimal symbol. */
+
+ throw_error (NOT_FOUND_ERROR, _("\"%s\" is not a function"), copy);
+ }
else if (SYMBOL_LINE (sym) != 0)
{
/* We know its line number. */
values.nelts = 1;
return values;
}
+
+void
+init_linespec_result (struct linespec_result *lr)
+{
+ memset (lr, 0, sizeof (*lr));
+}
projects / deliverable / binutils-gdb.git / blobdiff