1 /* Vector API for GNU compiler.
2 Copyright (C) 2004 Free Software Foundation, Inc.
3 Contributed by Nathan Sidwell <nathan@codesourcery.com>
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
27 #include "coretypes.h"
37 /* Ensure there are at least RESERVE free slots in VEC, if RESERVE >=
38 0. If RESERVE < 0 increase the current allocation exponentially.
39 VEC can be NULL, to create a new vector. */
42 vec_p_reserve (void *vec, int reserve MEM_STAT_DECL)
44 return vec_o_reserve (vec, reserve,
45 offsetof (struct vec_prefix, vec), sizeof (void *)
49 /* Ensure there are at least RESERVE free slots in VEC, if RESERVE >=
50 0. If RESERVE < 0, increase the current allocation exponentially.
51 VEC can be NULL, in which case a new vector is created. The
52 vector's trailing array is at VEC_OFFSET offset and consistes of
53 ELT_SIZE sized elements. */
56 vec_o_reserve (void *vec, int reserve, size_t vec_offset, size_t elt_size
59 struct vec_prefix *pfx = vec;
60 size_t alloc = pfx ? pfx->num : 0;
69 if (pfx && pfx->alloc >= alloc)
72 vec = ggc_realloc_stat (vec, vec_offset + alloc * elt_size PASS_MEM_STAT);
73 ((struct vec_prefix *)vec)->alloc = alloc;
75 ((struct vec_prefix *)vec)->num = 0;
81 /* Issue a vector domain error, and then fall over. */
84 vec_assert_fail (const char *op, const char *struct_name,
85 const char *file, size_t line, const char *function)
87 internal_error ("vector %s %s domain error, in %s at %s:%u",
88 struct_name, op, function, function,
89 trim_filename (file), line);