Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
- 2009, 2010 Free Software Foundation, Inc.
+ 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
#include "mi/mi-cmds.h"
#include "target.h"
#include "arch-utils.h"
+#include <ctype.h>
+#include "cli/cli-utils.h"
-/* We share this one with symtab.c, but it is not exported widely. */
+/* 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,
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 (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
{
struct ui_file *tmp_stream;
char *message;
+
tmp_stream = mem_fileopen ();
make_cleanup_ui_file_delete (tmp_stream);
{
va_list args;
+
va_start (args, fmt);
vfprintf_unfiltered (tmp_stream, fmt, args);
va_end (args);
}
/* 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. */
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 (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
i1 += find_methods (TYPE_BASECLASS (t, ibase), name,
language, sym_arr + i1);
+ 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;
const char *select_mode = multiple_symbols_select_mode ();
if (select_mode == multiple_symbols_cancel)
- error (_("\
-canceled because the command is ambiguous\n\
-See set/show multiple-symbol."));
+ error (_("canceled because the command is ambiguous\n"
+ "See set/show multiple-symbol."));
values.sals = (struct symtab_and_line *)
alloca (nelts * sizeof (struct symtab_and_line));
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;
values.sals[i].symtab->filename,
values.sals[i].line);
else
- printf_unfiltered (_("[%d] %s at ?FILE:%d [No symtab? Probably broken debug info...]\n"),
+ printf_unfiltered (_("[%d] %s at ?FILE:%d [No symtab? "
+ "Probably broken debug info...]\n"),
(i + 2),
SYMBOL_PRINT_NAME (sym_arr[i]),
values.sals[i].line);
}
else
{
- printf_unfiltered (_("duplicate request for %d ignored.\n"), num);
+ printf_unfiltered (_("duplicate request for %d ignored.\n"),
+ num);
}
}
return p;
}
+
+/* Does P point to a sequence of characters which implies the end
+ of a name? Terminals include "if" and "thread" clauses. */
+
+static int
+name_end (char *p)
+{
+ while (isspace (*p))
+ ++p;
+ if (*p == 'i' && p[1] == 'f'
+ && (isspace (p[2]) || p[2] == '\0' || p[2] == '('))
+ return 1;
+
+ if (strncmp (p, "thread", 6) == 0
+ && (isspace (p[6]) || p[6] == '\0'))
+ return 1;
+
+ return 0;
+}
+
+/* Keep important information used when looking up a name. This includes
+ template parameters, overload information, and important keywords. */
+
+static char *
+keep_name_info (char *ptr)
+{
+ char *p = ptr;
+ char *start = ptr;
+
+ /* Keep any template parameters. */
+ if (name_end (ptr))
+ return remove_trailing_whitespace (start, ptr);
+
+ while (isspace (*p))
+ ++p;
+ if (*p == '<')
+ ptr = p = find_template_name_end (ptr);
+
+ if (name_end (ptr))
+ return remove_trailing_whitespace (start, ptr);
+
+ /* Keep method overload information. */
+ if (*p == '(')
+ ptr = p = find_method_overload_end (p);
+
+ if (name_end (ptr))
+ return remove_trailing_whitespace (start, ptr);
+
+ /* Keep important keywords. */
+ while (isspace (*p))
+ ++p;
+ if (strncmp (p, "const", 5) == 0
+ && (isspace (p[5]) || p[5] == '\0'
+ || strchr (get_gdb_completer_quote_characters (), p[5]) != NULL))
+ ptr = p = p + 5;
+
+ return remove_trailing_whitespace (start, ptr);
+}
+
\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
FILE:LINENUM -- that line in that file. PC returned is 0.
FUNCTION -- line number of openbrace of that function.
PC returned is the start of the function.
+ LABEL -- a label in the current scope
VARIABLE -- line number of definition of that variable.
PC returned is 0.
FILE:FUNCTION -- likewise, but prefer functions in that file.
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;
/* 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);
/* 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);
{
struct symtabs_and_lines values;
+
values = decode_objc (argptr, funfirstline, NULL,
canonical, saved_arg);
if (values.sals != NULL)
{
/* 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] == ':')
{
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);
}
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);
copy = (char *) alloca (p - *argptr + 1);
memcpy (copy, *argptr, p - *argptr);
(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);
+ /* Try the token as a label, but only if no file was specified,
+ because we can only really find labels in the current scope. */
+
+ if (!file_symtab)
+ {
+ struct symtabs_and_lines 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';
if (p[0] == '<')
{
char *temp_end = find_template_name_end (p);
+
if (!temp_end)
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;
if (*is_quote_enclosed)
{
char *closing_quote = strchr (p - 1, '"');
+
if (closing_quote && closing_quote[1] == '\0')
*closing_quote = '\0';
}
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;
set_language (save_language);
}
- copy = find_imps (file_symtab, block, *argptr, NULL, &i1, &i2);
+ find_imps (file_symtab, block, *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.
else
{
sym = find_pc_function (SYMBOL_VALUE_ADDRESS (sym_arr[0]));
- if ((sym != NULL) && strcmp (SYMBOL_LINKAGE_NAME (sym_arr[0]), SYMBOL_LINKAGE_NAME (sym)) != 0)
+ if ((sym != NULL) && strcmp (SYMBOL_LINKAGE_NAME (sym_arr[0]),
+ SYMBOL_LINKAGE_NAME (sym)) != 0)
{
- warning (_("debugging symbol \"%s\" does not match selector; ignoring"), SYMBOL_LINKAGE_NAME (sym));
+ warning (_("debugging symbol \"%s\" does "
+ "not match selector; ignoring"),
+ SYMBOL_LINKAGE_NAME (sym));
sym = NULL;
}
}
- values.sals = (struct symtab_and_line *) xmalloc (sizeof (struct symtab_and_line));
+ values.sals = (struct symtab_and_line *)
+ xmalloc (sizeof (struct symtab_and_line));
values.nelts = 1;
if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
{
/* Canonicalize this, so it remains resolved for dylib loads. */
values.sals[0] = find_function_start_sal (sym, funfirstline);
- build_canonical_line_spec (values.sals, SYMBOL_NATURAL_NAME (sym), canonical);
+ build_canonical_line_spec (values.sals,
+ SYMBOL_NATURAL_NAME (sym), canonical);
}
else
{
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,
+ char *the_real_saved_arg, char *p)
{
struct symtabs_and_lines values;
char *p2;
struct symbol *sym;
char *copy;
struct symbol *sym_class;
- struct symbol **sym_arr;
struct type *t;
char *saved_java_argptr = NULL;
+ char *saved_arg;
+
+ /* 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 && 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. */
{
/* At this point argptr->"fun". */
char *a;
+
p = *argptr;
while (*p && *p != ' ' && *p != '\t' && *p != ',' && *p != ':'
&& *p != '(')
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;
+ /* Keep any important naming information. */
+ p = keep_name_info (p);
/* 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;
}
/* 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);
+ copy, t, sym_class);
if (saved_java_argptr != NULL && values.nelts == 1)
{
/* The user specified a specific return type for a java method.
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\n"),
+ error (_("the class `%s' does not have "
+ "any method instance named %s"),
SYMBOL_PRINT_NAME (sym_class), copy);
}
}
return values;
- } /* End if symbol found */
+ } /* 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. */
+ if (current_language->la_language == language_cplus
+ || current_language->la_language == language_java)
+ p = keep_name_info (p);
+
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. */
+ sym = lookup_symbol (copy, get_selected_block (0), VAR_DOMAIN, 0);
if (sym)
- return symbol_found (funfirstline, canonical, copy, sym, NULL);
-
- /* 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,
- "Can't find member of namespace, class, struct, or union named \"%s\"\n",
+ return symbol_found (funfirstline, canonical, copy, sym, NULL, NULL);
+ else
+ {
+ struct minimal_symbol *msym;
+
+ /* 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);
}
*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_selected_block (0), STRUCT_DOMAIN, 0);
if (sym == NULL)
{
/* Typedefs are in VAR_DOMAIN so the above symbol lookup will
using VAR_DOMAIN (where typedefs live) and double-check that we
found a struct/class type. */
struct symbol *s = lookup_symbol (copy, 0, VAR_DOMAIN, 0);
+
if (s != NULL)
{
struct type *t = SYMBOL_TYPE (s);
+
CHECK_TYPEDEF (t);
if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
return s;
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;
/* 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;
- for (i = 0; i < i1; ++i)
+ 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 (name);
+ if (canon != NULL)
{
- char *name = saved_arg;
- char *canon = cp_canonicalize_string (name);
- if (canon != NULL)
- name = canon;
+ xfree (name);
+ name = canon;
+ }
+ cleanup = make_cleanup (xfree, name);
+ for (i = 0; i < i1; ++i)
+ {
if (strcmp_iw (name, SYMBOL_LINKAGE_NAME (sym_arr[i])) == 0)
{
values.sals = (struct symtab_and_line *)
values.nelts = 1;
values.sals[0] = find_function_start_sal (sym_arr[i],
funfirstline);
- if (canon)
- xfree (canon);
+ do_cleanups (cleanup);
return values;
}
-
- if (canon)
- xfree (canon);
}
- error (_("the class `%s' does not have any method instance named %s\n"),
+ error (_("the class `%s' does not have "
+ "any method instance named %s"),
SYMBOL_PRINT_NAME (sym_class), copy);
}
}
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. Use the \"file\" command."));
+ _("No symbol table is loaded. "
+ "Use the \"file\" command."));
throw_error (NOT_FOUND_ERROR, _("No source file named %s."), copy);
}
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;
{
/* We have a value history reference. */
struct value *val_history;
+
sscanf ((copy[1] == '$') ? copy + 2 : copy + 1, "%d", &index);
val_history = access_value_history ((copy[1] == '$') ? -index : index);
if (TYPE_CODE (value_type (val_history)) != TYPE_CODE_INT)
- error (_("History values used in line specs must have integer values."));
+ error (_("History values used in line "
+ "specs must have integer values."));
valx = value_as_long (val_history);
}
else
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);
/* Not a user variable or function -- must be convenience variable. */
if (!get_internalvar_integer (lookup_internalvar (copy + 1), &valx))
- error (_("Convenience variables used in line specs must have integer values."));
+ error (_("Convenience variables used in line "
+ "specs must have integer values."));
}
init_sal (&val);
\f
+/* 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
+ filled in on success.
+ This function returns 1 if a label was found, 0 otherwise. */
+
+static int
+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, block, LABEL_DOMAIN, 0);
+
+ if (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;
sym = lookup_symbol (copy,
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;
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);
{
struct blockvector *bv = BLOCKVECTOR (SYMBOL_SYMTAB (sym));
struct block *b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
+
if (lookup_block_symbol (b, copy, VAR_DOMAIN) != NULL)
build_canonical_line_spec (values.sals, copy, canonical);
}
}
else
{
- if (funfirstline)
+ 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)
{
memset (&values.sals[0], 0, sizeof (values.sals[0]));
values.sals[0].symtab = SYMBOL_SYMTAB (sym);
values.sals[0].line = SYMBOL_LINE (sym);
+ values.sals[0].pspace = SYMTAB_PSPACE (SYMBOL_SYMTAB (sym));
return values;
}
else
values.nelts = 1;
return values;
}
+
+void
+init_linespec_result (struct linespec_result *lr)
+{
+ memset (lr, 0, sizeof (*lr));
+}