791b7405f4
With the removal of the old VEC mechanism from the code base, update comments that still make reference to VECs. There should be no user visible changes after this commit. gdb/ChangeLog: * linespec.c (decode_digits_ordinary): Update comment. * make-target-delegates: No longer need to handle VEC case. * memrange.c (normalize_mem_ranges): Update comment. * namespace.c (add_using_directive): Update comment. * objc-lang.c (uniquify_strings): Update comment. * ppc-linux-nat.c (struct thread_points): Update comment. * probe.h (find_probes_in_objfile): Update comment. * target.h (enum flash_preserve_mode): Update comment. * varobj.c (varobj_restrict_range): Update comment. * varobj.h (varobj_list_children): Update comment. Change-Id: Iefd2e903705c3e79cd13b43395c7a1c167f9a088
116 lines
3.9 KiB
C
116 lines
3.9 KiB
C
/* Code dealing with "using" directives for GDB.
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Copyright (C) 2003-2019 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "namespace.h"
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/* Add a using directive to USING_DIRECTIVES. If the using directive
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in question has already been added, don't add it twice.
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Create a new struct using_direct which imports the namespace SRC
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into the scope DEST. ALIAS is the name of the imported namespace
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in the current scope. If ALIAS is NULL then the namespace is known
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by its original name. DECLARATION is the name if the imported
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varable if this is a declaration import (Eg. using A::x), otherwise
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it is NULL. EXCLUDES is a list of names not to import from an
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imported module or NULL. If COPY_NAMES is non-zero, then the
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arguments are copied into newly allocated memory so they can be
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temporaries. For EXCLUDES the contents of the vector are copied,
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but the pointed to characters are not copied. */
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void
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add_using_directive (struct using_direct **using_directives,
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const char *dest,
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const char *src,
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const char *alias,
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const char *declaration,
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const std::vector<const char *> &excludes,
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int copy_names,
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struct obstack *obstack)
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{
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struct using_direct *current;
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struct using_direct *newobj;
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int alloc_len;
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/* Has it already been added? */
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for (current = *using_directives; current != NULL; current = current->next)
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{
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int ix;
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if (strcmp (current->import_src, src) != 0)
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continue;
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if (strcmp (current->import_dest, dest) != 0)
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continue;
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if ((alias == NULL && current->alias != NULL)
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|| (alias != NULL && current->alias == NULL)
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|| (alias != NULL && current->alias != NULL
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&& strcmp (alias, current->alias) != 0))
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continue;
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if ((declaration == NULL && current->declaration != NULL)
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|| (declaration != NULL && current->declaration == NULL)
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|| (declaration != NULL && current->declaration != NULL
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&& strcmp (declaration, current->declaration) != 0))
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continue;
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/* Compare the contents of EXCLUDES. */
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for (ix = 0; ix < excludes.size (); ++ix)
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if (current->excludes[ix] == NULL
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|| strcmp (excludes[ix], current->excludes[ix]) != 0)
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break;
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if (ix < excludes.size () || current->excludes[ix] != NULL)
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continue;
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/* Parameters exactly match CURRENT. */
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return;
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}
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alloc_len = (sizeof(*newobj)
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+ (excludes.size () * sizeof(*newobj->excludes)));
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newobj = (struct using_direct *) obstack_alloc (obstack, alloc_len);
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memset (newobj, 0, sizeof (*newobj));
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if (copy_names)
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{
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newobj->import_src = obstack_strdup (obstack, src);
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newobj->import_dest = obstack_strdup (obstack, dest);
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}
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else
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{
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newobj->import_src = src;
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newobj->import_dest = dest;
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}
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if (alias != NULL && copy_names)
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newobj->alias = obstack_strdup (obstack, alias);
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else
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newobj->alias = alias;
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if (declaration != NULL && copy_names)
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newobj->declaration = obstack_strdup (obstack, declaration);
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else
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newobj->declaration = declaration;
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if (!excludes.empty ())
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memcpy (newobj->excludes, excludes.data (),
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excludes.size () * sizeof (*newobj->excludes));
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newobj->excludes[excludes.size ()] = NULL;
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newobj->next = *using_directives;
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*using_directives = newobj;
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}
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