-
-/* Begin 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;
-}
-
-/* Helper routine for make_symbol_completion_list. */
-
-static int sym_return_val_size;
-static int sym_return_val_index;
-static struct symbol **sym_return_val;
-
-/* 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. */
-
-static void
-overload_list_add_symbol (struct symbol *sym, char *oload_name)
-{
- int newsize;
- int i;
- char *sym_name;
-
- /* If there is no type information, we can't do anything, so skip */
- if (SYMBOL_TYPE (sym) == NULL)
- return;
-
- /* 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])))
- return;
-
- /* Get the demangled name without parameters */
- sym_name = remove_params (SYMBOL_DEMANGLED_NAME (sym));
- if (!sym_name)
- return;
-
- /* skip symbols that cannot match */
- if (strcmp (sym_name, oload_name) != 0)
- {
- xfree (sym_name);
- return;
- }
-
- xfree (sym_name);
-
- /* We have a match for an overload instance, so add SYM to the current list
- * of overload instances */
- if (sym_return_val_index + 3 > sym_return_val_size)
- {
- newsize = (sym_return_val_size *= 2) * sizeof (struct symbol *);
- sym_return_val = (struct symbol **) xrealloc ((char *) sym_return_val, newsize);
- }
- sym_return_val[sym_return_val_index++] = sym;
- sym_return_val[sym_return_val_index] = NULL;
-}
-
-/* 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. */
-
-
-struct symbol **
-make_symbol_overload_list (struct symbol *fsym)
-{
- 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;
- register int i;
- /* The name we are completing on. */
- char *oload_name = NULL;
- /* Length of name. */
- int oload_name_len = 0;
-
- /* Look for the symbol we are supposed to complete on. */
-
- 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;
-
- return sym_return_val;
- }
- 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;
-
- /* Read in all partial symtabs containing a partial symbol named
- OLOAD_NAME. */
-
- ALL_PSYMTABS (objfile, ps)
- {
- struct partial_symbol **psym;
-
- /* If the psymtab's been read in we'll get it when we search
- through the blockvector. */
- if (ps->readin)
- continue;
-
- if ((lookup_partial_symbol (ps, oload_name, NULL, 1, VAR_NAMESPACE)
- != NULL)
- || (lookup_partial_symbol (ps, oload_name, NULL, 0, VAR_NAMESPACE)
- != NULL))
- PSYMTAB_TO_SYMTAB (ps);
- }
-
- /* 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 */
- }
-
- /* 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, i, sym)
- {
- overload_list_add_symbol (sym, oload_name);
- }
- }
-
- /* Go through the symtabs and check the externs and statics for
- symbols which match. */
-
- ALL_SYMTABS (objfile, s)
- {
- QUIT;
- b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
- ALL_BLOCK_SYMBOLS (b, i, sym)
- {
- overload_list_add_symbol (sym, oload_name);
- }
- }
-
- ALL_SYMTABS (objfile, s)
- {
- QUIT;
- b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK);
- /* Don't do this block twice. */
- if (b == surrounding_static_block)
- continue;
- ALL_BLOCK_SYMBOLS (b, i, sym)
- {
- overload_list_add_symbol (sym, oload_name);
- }
- }
-
- xfree (oload_name);
-
- return (sym_return_val);
-}
-
-/* End of overload resolution functions */
projects / deliverable / binutils-gdb.git / blobdiff