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,
char *saved_arg,
- char *p,
- int *not_found_ptr);
+ char *p);
static struct symbol *lookup_prefix_sym (char **argptr, char *p);
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 symbol *sym_class);
static void cplusplus_error (const char *name, const char *fmt, ...)
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (2, 3);
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,
--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);
--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)
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;
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;
/* 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 (is_quote_enclosed)
++saved_arg;
values = decode_compound (argptr, funfirstline, canonical,
- saved_arg, p, not_found_ptr);
+ saved_arg, p);
if (is_quoted && **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. */
- file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed,
- not_found_ptr);
+ TRY_CATCH (file_exception, RETURN_MASK_ERROR)
+ {
+ file_symtab = symtab_from_filename (argptr, p, is_quote_enclosed);
+ }
+ /* If that failed, maybe we have `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)
}
/* 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);
(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
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;
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 *the_real_saved_arg, char *p, int *not_found_ptr)
+decode_compound (char **argptr, int funfirstline,
+ struct linespec_result *canonical,
+ char *the_real_saved_arg, char *p)
{
struct symtabs_and_lines values;
char *p2;
we'll lookup the whole string in the symbol tables. */
values = find_method (funfirstline, canonical, saved_arg,
- copy, t, sym_class, not_found_ptr);
+ copy, t, sym_class);
if (saved_java_argptr != NULL && values.nelts == 1)
{
/* The user specified a specific return type for a java method.
/* Look up entire name. */
sym = lookup_symbol (copy, get_selected_block (0), VAR_DOMAIN, 0);
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 a minimal symbol, either, so give up. */
- if (not_found_ptr)
- *not_found_ptr = 1;
cplusplus_error (the_real_saved_arg,
"Can't find member of namespace, "
"class, struct, or union named \"%s\"\n",
symbol is SYM_CLASS. */
static struct symtabs_and_lines
-find_method (int funfirstline, char ***canonical, char *saved_arg,
- char *copy, struct type *t, struct symbol *sym_class,
- int *not_found_ptr)
+find_method (int funfirstline, struct linespec_result *canonical,
+ char *saved_arg,
+ char *copy, struct type *t, struct symbol *sym_class)
{
struct symtabs_and_lines values;
struct symbol *sym = NULL;
}
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. "
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;
- sym = lookup_symbol (copy, get_selected_block (0), LABEL_DOMAIN, 0);
+ 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, 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)
{
struct symbol *sym;
struct minimal_symbol *msymbol;
VAR_DOMAIN, 0);
if (sym != NULL)
- return symbol_found (funfirstline, canonical, copy, sym, file_symtab);
+ return symbol_found (funfirstline, canonical, copy, sym, file_symtab, NULL);
msymbol = lookup_minimal_symbol (copy, NULL, NULL);
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;
}
else
{
- if (funfirstline && SYMBOL_CLASS (sym) != LOC_LABEL)
+ 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)
error (_("\"%s\" is not a function"), copy);
else if (SYMBOL_LINE (sym) != 0)
{
values.nelts = 1;
return values;
}
+
+void
+init_linespec_result (struct linespec_result *lr)
+{
+ memset (lr, 0, sizeof (*lr));
+}
projects / deliverable / binutils-gdb.git / blobdiff