/* Helper routines for C++ support in GDB.
- Copyright 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by MontaVista Software.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include <ctype.h>
#include "frame.h"
#include "symtab.h"
#include "block.h"
+#include "complaints.h"
+#include "gdbtypes.h"
+
+#define d_left(dc) (dc)->u.s_binary.left
+#define d_right(dc) (dc)->u.s_binary.right
+
+/* Functions related to demangled name parsing. */
+
+static unsigned int cp_find_first_component_aux (const char *name,
+ int permissive);
+
+static void demangled_name_complaint (const char *name);
/* Functions/variables related to overload resolution. */
static int sym_return_val_index;
static struct symbol **sym_return_val;
-static char *remove_params (const char *demangled_name);
+static void overload_list_add_symbol (struct symbol *sym,
+ const char *oload_name);
-static void overload_list_add_symbol (struct symbol *sym, char *oload_name);
+static void make_symbol_overload_list_using (const char *func_name,
+ const char *namespace);
+
+static void make_symbol_overload_list_qualified (const char *func_name);
+
+static void read_in_psymtabs (const char *oload_name);
/* The list of "maint cplus" commands. */
-static struct cmd_list_element *maint_cplus_cmd_list = NULL;
+struct cmd_list_element *maint_cplus_cmd_list = NULL;
/* The actual commands. */
static void maint_cplus_command (char *arg, int from_tty);
static void first_component_command (char *arg, int from_tty);
-/* Here are some random pieces of trivia to keep in mind while trying
- to take apart demangled names:
+/* Return the canonicalized form of STRING, or NULL if STRING can not be
+ parsed. The return value is allocated via xmalloc.
- - Names can contain function arguments or templates, so the process
- has to be, to some extent recursive: maybe keep track of your
- depth based on encountering <> and ().
+ drow/2005-03-07: Should we also return NULL for things that trivially do
+ not require any change? e.g. simple identifiers. This could be more
+ efficient. */
- - Parentheses don't just have to happen at the end of a name: they
- can occur even if the name in question isn't a function, because
- a template argument might be a type that's a function.
+char *
+cp_canonicalize_string (const char *string)
+{
+ void *storage;
+ struct demangle_component *ret_comp;
+ char *ret;
+ int len = strlen (string);
- - Conversely, even if you're trying to deal with a function, its
- demangled name might not end with ')': it could be a const or
- volatile class method, in which case it ends with "const" or
- "volatile".
+ len = len + len / 8;
- - Parentheses are also used in anonymous namespaces: a variable
- 'foo' in an anonymous namespace gets demangled as "(anonymous
- namespace)::foo".
+ ret_comp = cp_demangled_name_to_comp (string, &storage, NULL);
+ if (ret_comp == NULL)
+ return NULL;
- - And operator names can contain parentheses or angle brackets. */
+ ret = cp_comp_to_string (ret_comp, len);
-/* FIXME: carlton/2003-03-13: We have several functions here with
- overlapping functionality; can we combine them? Also, do they
- handle all the above considerations correctly? */
+ xfree (storage);
-/* Find the last component of the demangled C++ name NAME. NAME
- must be a method name including arguments, in order to correctly
- locate the last component.
+ return ret;
+}
- This function return a pointer to the first colon before the
- last component, or NULL if the name had only one component. */
+/* Convert a mangled name to a demangle_component tree. *MEMORY is set to the
+ block of used memory that should be freed when finished with the tree.
+ DEMANGLED_P is set to the char * that should be freed when finished with
+ the tree, or NULL if none was needed. OPTIONS will be passed to the
+ demangler. */
-static const char *
-find_last_component (const char *name)
+static struct demangle_component *
+mangled_name_to_comp (const char *mangled_name, int options,
+ void **memory, char **demangled_p)
{
- const char *p;
- int depth;
+ struct demangle_component *ret;
+ char *demangled_name;
+ int len;
- /* Functions can have local classes, so we need to find the
- beginning of the last argument list, not the end of the first
- one. */
- p = name + strlen (name) - 1;
- while (p > name && *p != ')')
- p--;
+ /* If it looks like a v3 mangled name, then try to go directly
+ to trees. */
+ if (mangled_name[0] == '_' && mangled_name[1] == 'Z')
+ {
+ ret = cplus_demangle_v3_components (mangled_name, options, memory);
+ if (ret)
+ {
+ *demangled_p = NULL;
+ return ret;
+ }
+ }
- if (p == name)
- return NULL;
+ /* If it doesn't, or if that failed, then try to demangle the name. */
+ demangled_name = cplus_demangle (mangled_name, options);
+ if (demangled_name == NULL)
+ return NULL;
+
+ /* If we could demangle the name, parse it to build the component tree. */
+ ret = cp_demangled_name_to_comp (demangled_name, memory, NULL);
- /* P now points at the `)' at the end of the argument list. Walk
- back to the beginning. */
- p--;
- depth = 1;
- while (p > name && depth > 0)
+ if (ret == NULL)
{
- if (*p == '<' || *p == '(')
- depth--;
- else if (*p == '>' || *p == ')')
- depth++;
- p--;
+ free (demangled_name);
+ return NULL;
}
- if (p == name)
- return NULL;
+ *demangled_p = demangled_name;
+ return ret;
+}
- while (p > name && *p != ':')
- p--;
+/* Return the name of the class containing method PHYSNAME. */
- if (p == name || p == name + 1 || p[-1] != ':')
+char *
+cp_class_name_from_physname (const char *physname)
+{
+ void *storage;
+ char *demangled_name = NULL, *ret;
+ struct demangle_component *ret_comp, *prev_comp, *cur_comp;
+ int done;
+
+ ret_comp = mangled_name_to_comp (physname, DMGL_ANSI, &storage,
+ &demangled_name);
+ if (ret_comp == NULL)
return NULL;
- return p - 1;
+ done = 0;
+
+ /* First strip off any qualifiers, if we have a function or method. */
+ while (!done)
+ switch (ret_comp->type)
+ {
+ case DEMANGLE_COMPONENT_CONST:
+ case DEMANGLE_COMPONENT_RESTRICT:
+ case DEMANGLE_COMPONENT_VOLATILE:
+ case DEMANGLE_COMPONENT_CONST_THIS:
+ case DEMANGLE_COMPONENT_RESTRICT_THIS:
+ case DEMANGLE_COMPONENT_VOLATILE_THIS:
+ case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
+ ret_comp = d_left (ret_comp);
+ break;
+ default:
+ done = 1;
+ break;
+ }
+
+ /* If what we have now is a function, discard the argument list. */
+ if (ret_comp->type == DEMANGLE_COMPONENT_TYPED_NAME)
+ ret_comp = d_left (ret_comp);
+
+ /* If what we have now is a template, strip off the template
+ arguments. The left subtree may be a qualified name. */
+ if (ret_comp->type == DEMANGLE_COMPONENT_TEMPLATE)
+ ret_comp = d_left (ret_comp);
+
+ /* What we have now should be a name, possibly qualified. Additional
+ qualifiers could live in the left subtree or the right subtree. Find
+ the last piece. */
+ done = 0;
+ prev_comp = NULL;
+ cur_comp = ret_comp;
+ while (!done)
+ switch (cur_comp->type)
+ {
+ case DEMANGLE_COMPONENT_QUAL_NAME:
+ case DEMANGLE_COMPONENT_LOCAL_NAME:
+ prev_comp = cur_comp;
+ cur_comp = d_right (cur_comp);
+ break;
+ case DEMANGLE_COMPONENT_TEMPLATE:
+ case DEMANGLE_COMPONENT_NAME:
+ case DEMANGLE_COMPONENT_CTOR:
+ case DEMANGLE_COMPONENT_DTOR:
+ case DEMANGLE_COMPONENT_OPERATOR:
+ case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
+ done = 1;
+ break;
+ default:
+ done = 1;
+ cur_comp = NULL;
+ break;
+ }
+
+ ret = NULL;
+ if (cur_comp != NULL && prev_comp != NULL)
+ {
+ /* We want to discard the rightmost child of PREV_COMP. */
+ *prev_comp = *d_left (prev_comp);
+ /* The ten is completely arbitrary; we don't have a good estimate. */
+ ret = cp_comp_to_string (ret_comp, 10);
+ }
+
+ xfree (storage);
+ if (demangled_name)
+ xfree (demangled_name);
+ return ret;
}
-/* Return the name of the class containing method PHYSNAME. */
+/* Return the child of COMP which is the basename of a method, variable,
+ et cetera. All scope qualifiers are discarded, but template arguments
+ will be included. The component tree may be modified. */
-char *
-class_name_from_physname (const char *physname)
+static struct demangle_component *
+unqualified_name_from_comp (struct demangle_component *comp)
{
- char *ret = NULL;
- const char *end;
- int depth = 0;
- char *demangled_name = cplus_demangle (physname, DMGL_ANSI);
+ struct demangle_component *ret_comp = comp, *last_template;
+ int done;
- if (demangled_name == NULL)
- return NULL;
+ done = 0;
+ last_template = NULL;
+ while (!done)
+ switch (ret_comp->type)
+ {
+ case DEMANGLE_COMPONENT_QUAL_NAME:
+ case DEMANGLE_COMPONENT_LOCAL_NAME:
+ ret_comp = d_right (ret_comp);
+ break;
+ case DEMANGLE_COMPONENT_TYPED_NAME:
+ ret_comp = d_left (ret_comp);
+ break;
+ case DEMANGLE_COMPONENT_TEMPLATE:
+ gdb_assert (last_template == NULL);
+ last_template = ret_comp;
+ ret_comp = d_left (ret_comp);
+ break;
+ case DEMANGLE_COMPONENT_CONST:
+ case DEMANGLE_COMPONENT_RESTRICT:
+ case DEMANGLE_COMPONENT_VOLATILE:
+ case DEMANGLE_COMPONENT_CONST_THIS:
+ case DEMANGLE_COMPONENT_RESTRICT_THIS:
+ case DEMANGLE_COMPONENT_VOLATILE_THIS:
+ case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
+ ret_comp = d_left (ret_comp);
+ break;
+ case DEMANGLE_COMPONENT_NAME:
+ case DEMANGLE_COMPONENT_CTOR:
+ case DEMANGLE_COMPONENT_DTOR:
+ case DEMANGLE_COMPONENT_OPERATOR:
+ case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
+ done = 1;
+ break;
+ default:
+ return NULL;
+ break;
+ }
- end = find_last_component (demangled_name);
- if (end != NULL)
+ if (last_template)
{
- ret = xmalloc (end - demangled_name + 1);
- memcpy (ret, demangled_name, end - demangled_name);
- ret[end - demangled_name] = '\0';
+ d_left (last_template) = ret_comp;
+ return last_template;
}
- xfree (demangled_name);
- return ret;
+ return ret_comp;
}
/* Return the name of the method whose linkage name is PHYSNAME. */
char *
method_name_from_physname (const char *physname)
{
+ void *storage;
+ char *demangled_name = NULL, *ret;
+ struct demangle_component *ret_comp;
+ int done;
+
+ ret_comp = mangled_name_to_comp (physname, DMGL_ANSI, &storage,
+ &demangled_name);
+ if (ret_comp == NULL)
+ return NULL;
+
+ ret_comp = unqualified_name_from_comp (ret_comp);
+
+ ret = NULL;
+ if (ret_comp != NULL)
+ /* The ten is completely arbitrary; we don't have a good estimate. */
+ ret = cp_comp_to_string (ret_comp, 10);
+
+ xfree (storage);
+ if (demangled_name)
+ xfree (demangled_name);
+ return ret;
+}
+
+/* If FULL_NAME is the demangled name of a C++ function (including an
+ arg list, possibly including namespace/class qualifications),
+ return a new string containing only the function name (without the
+ arg list/class qualifications). Otherwise, return NULL. The
+ caller is responsible for freeing the memory in question. */
+
+char *
+cp_func_name (const char *full_name)
+{
+ void *storage;
+ char *ret;
+ struct demangle_component *ret_comp;
+ int done;
+
+ ret_comp = cp_demangled_name_to_comp (full_name, &storage, NULL);
+ if (!ret_comp)
+ return NULL;
+
+ ret_comp = unqualified_name_from_comp (ret_comp);
+
+ ret = NULL;
+ if (ret_comp != NULL)
+ ret = cp_comp_to_string (ret_comp, 10);
+
+ xfree (storage);
+ return ret;
+}
+
+/* DEMANGLED_NAME is the name of a function, including parameters and
+ (optionally) a return type. Return the name of the function without
+ parameters or return type, or NULL if we can not parse the name. */
+
+static char *
+remove_params (const char *demangled_name)
+{
+ int done = 0;
+ struct demangle_component *ret_comp;
+ void *storage;
char *ret = NULL;
- const char *end;
- int depth = 0;
- char *demangled_name = cplus_demangle (physname, DMGL_ANSI);
if (demangled_name == NULL)
return NULL;
- end = find_last_component (demangled_name);
- if (end != NULL)
- {
- char *args;
- int len;
+ ret_comp = cp_demangled_name_to_comp (demangled_name, &storage, NULL);
+ if (ret_comp == NULL)
+ return NULL;
- /* Skip "::". */
- end = end + 2;
+ /* First strip off any qualifiers, if we have a function or method. */
+ while (!done)
+ switch (ret_comp->type)
+ {
+ case DEMANGLE_COMPONENT_CONST:
+ case DEMANGLE_COMPONENT_RESTRICT:
+ case DEMANGLE_COMPONENT_VOLATILE:
+ case DEMANGLE_COMPONENT_CONST_THIS:
+ case DEMANGLE_COMPONENT_RESTRICT_THIS:
+ case DEMANGLE_COMPONENT_VOLATILE_THIS:
+ case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
+ ret_comp = d_left (ret_comp);
+ break;
+ default:
+ done = 1;
+ break;
+ }
- /* Find the argument list, if any. */
- args = strchr (end, '(');
- if (args == NULL)
- len = strlen (end + 2);
- else
- {
- args --;
- while (*args == ' ')
- args --;
- len = args - end + 1;
- }
- ret = xmalloc (len + 1);
- memcpy (ret, end, len);
- ret[len] = 0;
- }
+ /* What we have now should be a function. Return its name. */
+ if (ret_comp->type == DEMANGLE_COMPONENT_TYPED_NAME)
+ ret = cp_comp_to_string (d_left (ret_comp), 10);
- xfree (demangled_name);
+ xfree (storage);
return ret;
}
+/* Here are some random pieces of trivia to keep in mind while trying
+ to take apart demangled names:
+
+ - Names can contain function arguments or templates, so the process
+ has to be, to some extent recursive: maybe keep track of your
+ depth based on encountering <> and ().
+
+ - Parentheses don't just have to happen at the end of a name: they
+ can occur even if the name in question isn't a function, because
+ a template argument might be a type that's a function.
+
+ - Conversely, even if you're trying to deal with a function, its
+ demangled name might not end with ')': it could be a const or
+ volatile class method, in which case it ends with "const" or
+ "volatile".
+
+ - Parentheses are also used in anonymous namespaces: a variable
+ 'foo' in an anonymous namespace gets demangled as "(anonymous
+ namespace)::foo".
+
+ - And operator names can contain parentheses or angle brackets. */
+
+/* FIXME: carlton/2003-03-13: We have several functions here with
+ overlapping functionality; can we combine them? Also, do they
+ handle all the above considerations correctly? */
+
+
/* This returns the length of first component of NAME, which should be
the demangled name of a C++ variable/function/method/etc.
Specifically, it returns the index of the first colon forming the
boundary of the first component: so, given 'A::foo' or 'A::B::foo'
it returns the 1, and given 'foo', it returns 0. */
-/* Well, that's what it should do when called externally, but to make
- the recursion easier, it also stops if it reaches an unexpected ')'
- or '>'. */
+/* The character in NAME indexed by the return value is guaranteed to
+ always be either ':' or '\0'. */
/* NOTE: carlton/2003-03-13: This function is currently only intended
for internal use: it's probably not entirely safe when called on
- user-generated input, because some of the 'index += 2' lines might
- go past the end of malformed input. */
+ user-generated input, because some of the 'index += 2' lines in
+ cp_find_first_component_aux might go past the end of malformed
+ input. */
+
+unsigned int
+cp_find_first_component (const char *name)
+{
+ return cp_find_first_component_aux (name, 0);
+}
+
+/* Helper function for cp_find_first_component. Like that function,
+ it returns the length of the first component of NAME, but to make
+ the recursion easier, it also stops if it reaches an unexpected ')'
+ or '>' if the value of PERMISSIVE is nonzero. */
/* Let's optimize away calls to strlen("operator"). */
#define LENGTH_OF_OPERATOR 8
-unsigned int
-cp_find_first_component (const char *name)
+static unsigned int
+cp_find_first_component_aux (const char *name, int permissive)
{
unsigned int index = 0;
/* Operator names can show up in unexpected places. Since these can
terminating the component or a '::' between two
components. (Hence the '+ 2'.) */
index += 1;
- for (index += cp_find_first_component (name + index);
+ for (index += cp_find_first_component_aux (name + index, 1);
name[index] != '>';
- index += cp_find_first_component (name + index))
+ index += cp_find_first_component_aux (name + index, 1))
{
- gdb_assert (name[index] == ':');
+ if (name[index] != ':')
+ {
+ demangled_name_complaint (name);
+ return strlen (name);
+ }
index += 2;
}
operator_possible = 1;
case '(':
/* Similar comment as to '<'. */
index += 1;
- for (index += cp_find_first_component (name + index);
+ for (index += cp_find_first_component_aux (name + index, 1);
name[index] != ')';
- index += cp_find_first_component (name + index))
+ index += cp_find_first_component_aux (name + index, 1))
{
- gdb_assert (name[index] == ':');
+ if (name[index] != ':')
+ {
+ demangled_name_complaint (name);
+ return strlen (name);
+ }
index += 2;
}
operator_possible = 1;
break;
case '>':
case ')':
+ if (permissive)
+ return index;
+ else
+ {
+ demangled_name_complaint (name);
+ return strlen (name);
+ }
case '\0':
case ':':
return index;
}
}
+/* Complain about a demangled name that we don't know how to parse.
+ NAME is the demangled name in question. */
+
+static void
+demangled_name_complaint (const char *name)
+{
+ complaint (&symfile_complaints,
+ "unexpected demangled name '%s'", name);
+}
+
/* If NAME is the fully-qualified name of a C++
function/variable/method/etc., this returns the length of its
entire prefix: all of the namespaces and classes that make up its
/* Overload resolution functions. */
-static char *
-remove_params (const char *demangled_name)
-{
- const char *argp;
- char *new_name;
- int depth;
-
- if (demangled_name == NULL)
- return NULL;
-
- /* First find the end of the arg list. */
- argp = strrchr (demangled_name, ')');
- if (argp == NULL)
- return NULL;
-
- /* Back up to the beginning. */
- depth = 1;
-
- while (argp-- > demangled_name)
- {
- if (*argp == ')')
- depth ++;
- else if (*argp == '(')
- {
- depth --;
-
- if (depth == 0)
- break;
- }
- }
- if (depth != 0)
- internal_error (__FILE__, __LINE__,
- "bad demangled name %s\n", demangled_name);
- while (argp[-1] == ' ' && argp > demangled_name)
- argp --;
-
- new_name = xmalloc (argp - demangled_name + 1);
- memcpy (new_name, demangled_name, argp - demangled_name);
- new_name[argp - demangled_name] = '\0';
- return new_name;
-}
-
-/* Test to see if the symbol specified by SYMNAME (which is already
- demangled for C++ symbols) matches SYM_TEXT in the first SYM_TEXT_LEN
- characters. If so, add it to the current completion list. */
+/* Test to see if SYM is a symbol that we haven't seen corresponding
+ to a function named OLOAD_NAME. If so, add it to the current
+ completion list. */
static void
-overload_list_add_symbol (struct symbol *sym, char *oload_name)
+overload_list_add_symbol (struct symbol *sym, const char *oload_name)
{
int newsize;
int i;
/* skip any symbols that we've already considered. */
for (i = 0; i < sym_return_val_index; ++i)
- if (!strcmp (DEPRECATED_SYMBOL_NAME (sym), DEPRECATED_SYMBOL_NAME (sym_return_val[i])))
+ if (strcmp (SYMBOL_LINKAGE_NAME (sym),
+ SYMBOL_LINKAGE_NAME (sym_return_val[i])) == 0)
return;
/* Get the demangled name without parameters */
- sym_name = remove_params (SYMBOL_DEMANGLED_NAME (sym));
+ sym_name = remove_params (SYMBOL_NATURAL_NAME (sym));
if (!sym_name)
return;
}
/* Return a null-terminated list of pointers to function symbols that
- * match name of the supplied symbol FSYM.
- * This is used in finding all overloaded instances of a function name.
- * This has been modified from make_symbol_completion_list. */
-
+ are named FUNC_NAME and are visible within NAMESPACE. */
struct symbol **
-make_symbol_overload_list (struct symbol *fsym)
+make_symbol_overload_list (const char *func_name,
+ const char *namespace)
{
- register struct symbol *sym;
- register struct symtab *s;
- register struct partial_symtab *ps;
- register struct objfile *objfile;
- register struct block *b, *surrounding_static_block = 0;
- struct dict_iterator iter;
- /* The name we are completing on. */
- char *oload_name = NULL;
- /* Length of name. */
- int oload_name_len = 0;
+ struct cleanup *old_cleanups;
- /* Look for the symbol we are supposed to complete on. */
+ sym_return_val_size = 100;
+ sym_return_val_index = 0;
+ sym_return_val = xmalloc ((sym_return_val_size + 1) *
+ sizeof (struct symbol *));
+ sym_return_val[0] = NULL;
- oload_name = remove_params (SYMBOL_DEMANGLED_NAME (fsym));
- if (!oload_name)
- {
- sym_return_val_size = 1;
- sym_return_val = (struct symbol **) xmalloc (2 * sizeof (struct symbol *));
- sym_return_val[0] = fsym;
- sym_return_val[1] = NULL;
+ old_cleanups = make_cleanup (xfree, sym_return_val);
+
+ make_symbol_overload_list_using (func_name, namespace);
+
+ discard_cleanups (old_cleanups);
+
+ return sym_return_val;
+}
+
+/* This applies the using directives to add namespaces to search in,
+ and then searches for overloads in all of those namespaces. It
+ adds the symbols found to sym_return_val. Arguments are as in
+ make_symbol_overload_list. */
+
+static void
+make_symbol_overload_list_using (const char *func_name,
+ const char *namespace)
+{
+ const struct using_direct *current;
- return sym_return_val;
+ /* First, go through the using directives. If any of them apply,
+ look in the appropriate namespaces for new functions to match
+ on. */
+
+ for (current = block_using (get_selected_block (0));
+ current != NULL;
+ current = current->next)
+ {
+ if (strcmp (namespace, current->outer) == 0)
+ {
+ make_symbol_overload_list_using (func_name,
+ current->inner);
+ }
}
- oload_name_len = strlen (oload_name);
- sym_return_val_size = 100;
- sym_return_val_index = 0;
- sym_return_val = (struct symbol **) xmalloc ((sym_return_val_size + 1) * sizeof (struct symbol *));
- sym_return_val[0] = NULL;
+ /* Now, add names for this namespace. */
+
+ if (namespace[0] == '\0')
+ {
+ make_symbol_overload_list_qualified (func_name);
+ }
+ else
+ {
+ char *concatenated_name
+ = alloca (strlen (namespace) + 2 + strlen (func_name) + 1);
+ strcpy (concatenated_name, namespace);
+ strcat (concatenated_name, "::");
+ strcat (concatenated_name, func_name);
+ make_symbol_overload_list_qualified (concatenated_name);
+ }
+}
- /* Read in all partial symtabs containing a partial symbol named
- OLOAD_NAME. */
+/* This does the bulk of the work of finding overloaded symbols.
+ FUNC_NAME is the name of the overloaded function we're looking for
+ (possibly including namespace info). */
- ALL_PSYMTABS (objfile, ps)
- {
- struct partial_symbol **psym;
+static void
+make_symbol_overload_list_qualified (const char *func_name)
+{
+ struct symbol *sym;
+ struct symtab *s;
+ struct objfile *objfile;
+ const struct block *b, *surrounding_static_block = 0;
+ struct dict_iterator iter;
+ const struct dictionary *dict;
- /* If the psymtab's been read in we'll get it when we search
- through the blockvector. */
- if (ps->readin)
- continue;
+ /* Look through the partial symtabs for all symbols which begin
+ by matching FUNC_NAME. Make sure we read that symbol table in. */
- if ((lookup_partial_symbol (ps, oload_name, NULL, 1, VAR_DOMAIN)
- != NULL)
- || (lookup_partial_symbol (ps, oload_name, NULL, 0, VAR_DOMAIN)
- != NULL))
- PSYMTAB_TO_SYMTAB (ps);
- }
+ read_in_psymtabs (func_name);
/* Search upwards from currently selected frame (so that we can
complete on local vars. */
for (b = get_selected_block (0); b != NULL; b = BLOCK_SUPERBLOCK (b))
{
- if (!BLOCK_SUPERBLOCK (b))
- {
- surrounding_static_block = b; /* For elimination of dups */
- }
+ dict = BLOCK_DICT (b);
- /* Also catch fields of types defined in this places which match our
- text string. Only complete on types visible from current context. */
-
- ALL_BLOCK_SYMBOLS (b, iter, sym)
+ for (sym = dict_iter_name_first (dict, func_name, &iter);
+ sym;
+ sym = dict_iter_name_next (func_name, &iter))
{
- overload_list_add_symbol (sym, oload_name);
+ overload_list_add_symbol (sym, func_name);
}
}
+ surrounding_static_block = block_static_block (get_selected_block (0));
+
/* Go through the symtabs and check the externs and statics for
symbols which match. */
{
QUIT;
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
- ALL_BLOCK_SYMBOLS (b, iter, sym)
- {
- overload_list_add_symbol (sym, oload_name);
- }
+ dict = BLOCK_DICT (b);
+
+ for (sym = dict_iter_name_first (dict, func_name, &iter);
+ sym;
+ sym = dict_iter_name_next (func_name, &iter))
+ {
+ overload_list_add_symbol (sym, func_name);
+ }
}
ALL_SYMTABS (objfile, s)
/* Don't do this block twice. */
if (b == surrounding_static_block)
continue;
- ALL_BLOCK_SYMBOLS (b, iter, sym)
- {
- overload_list_add_symbol (sym, oload_name);
- }
+ dict = BLOCK_DICT (b);
+
+ for (sym = dict_iter_name_first (dict, func_name, &iter);
+ sym;
+ sym = dict_iter_name_next (func_name, &iter))
+ {
+ overload_list_add_symbol (sym, func_name);
+ }
}
+}
+
+/* Look through the partial symtabs for all symbols which begin
+ by matching FUNC_NAME. Make sure we read that symbol table in. */
- xfree (oload_name);
+static void
+read_in_psymtabs (const char *func_name)
+{
+ struct partial_symtab *ps;
+ struct objfile *objfile;
- return (sym_return_val);
+ ALL_PSYMTABS (objfile, ps)
+ {
+ if (ps->readin)
+ continue;
+
+ if ((lookup_partial_symbol (ps, func_name, NULL, 1, VAR_DOMAIN)
+ != NULL)
+ || (lookup_partial_symbol (ps, func_name, NULL, 0, VAR_DOMAIN)
+ != NULL))
+ psymtab_to_symtab (ps);
+ }
}
+/* Lookup the rtti type for a class name. */
+
+struct type *
+cp_lookup_rtti_type (const char *name, struct block *block)
+{
+ struct symbol * rtti_sym;
+ struct type * rtti_type;
+
+ rtti_sym = lookup_symbol (name, block, STRUCT_DOMAIN, NULL, NULL);
+
+ if (rtti_sym == NULL)
+ {
+ warning (_("RTTI symbol not found for class '%s'"), name);
+ return NULL;
+ }
+
+ if (SYMBOL_CLASS (rtti_sym) != LOC_TYPEDEF)
+ {
+ warning (_("RTTI symbol for class '%s' is not a type"), name);
+ return NULL;
+ }
+
+ rtti_type = SYMBOL_TYPE (rtti_sym);
+
+ switch (TYPE_CODE (rtti_type))
+ {
+ case TYPE_CODE_CLASS:
+ break;
+ case TYPE_CODE_NAMESPACE:
+ /* chastain/2003-11-26: the symbol tables often contain fake
+ symbols for namespaces with the same name as the struct.
+ This warning is an indication of a bug in the lookup order
+ or a bug in the way that the symbol tables are populated. */
+ warning (_("RTTI symbol for class '%s' is a namespace"), name);
+ return NULL;
+ default:
+ warning (_("RTTI symbol for class '%s' has bad type"), name);
+ return NULL;
+ }
+
+ return rtti_type;
+}
/* Don't allow just "maintenance cplus". */
static void
maint_cplus_command (char *arg, int from_tty)
{
- printf_unfiltered ("\"maintenance cplus\" must be followed by the name of a command.\n");
+ printf_unfiltered (_("\"maintenance cplus\" must be followed by the name of a command.\n"));
help_list (maint_cplus_cmd_list, "maintenance cplus ", -1, gdb_stdout);
}
_initialize_cp_support (void)
{
add_prefix_cmd ("cplus", class_maintenance, maint_cplus_command,
- "C++ maintenance commands.", &maint_cplus_cmd_list,
+ _("C++ maintenance commands."), &maint_cplus_cmd_list,
"maintenance cplus ", 0, &maintenancelist);
add_alias_cmd ("cp", "cplus", class_maintenance, 1, &maintenancelist);
add_cmd ("first_component", class_maintenance, first_component_command,
- "Print the first class/namespace component of NAME.",
+ _("Print the first class/namespace component of NAME."),
&maint_cplus_cmd_list);
-
}
projects / deliverable / binutils-gdb.git / blobdiff