vectorizer cost model enhancement
[official-gcc.git] / libcpp / include / cpp-id-data.h
blobde4ca2298c831f138925c224275938e7e03c5a52
1 /* Structures that hang off cpp_identifier, for PCH.
2 Copyright (C) 1986-2013 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the
6 Free Software Foundation; either version 3, or (at your option) any
7 later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; see the file COPYING3. If not see
16 <http://www.gnu.org/licenses/>. */
18 #include "cpplib.h"
20 #if !defined (HAVE_UCHAR) && !defined (IN_GCC)
21 typedef unsigned char uchar;
22 #endif
24 #define UC (const unsigned char *) /* Intended use: UC"string" */
26 /* Chained list of answers to an assertion. */
27 struct GTY(()) answer {
28 struct answer *next;
29 unsigned int count;
30 cpp_token GTY ((length ("%h.count"))) first[1];
33 /* Each macro definition is recorded in a cpp_macro structure.
34 Variadic macros cannot occur with traditional cpp. */
35 struct GTY(()) cpp_macro {
36 /* Parameters, if any. */
37 cpp_hashnode ** GTY ((nested_ptr (union tree_node,
38 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL",
39 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"),
40 length ("%h.paramc")))
41 params;
43 /* Replacement tokens (ISO) or replacement text (traditional). See
44 comment at top of cpptrad.c for how traditional function-like
45 macros are encoded. */
46 union cpp_macro_u
48 cpp_token * GTY ((tag ("0"), length ("%0.count"))) tokens;
49 const unsigned char * GTY ((tag ("1"))) text;
50 } GTY ((desc ("%1.traditional"))) exp;
52 /* Definition line number. */
53 source_location line;
55 /* Number of tokens in expansion, or bytes for traditional macros. */
56 unsigned int count;
58 /* Number of parameters. */
59 unsigned short paramc;
61 /* If a function-like macro. */
62 unsigned int fun_like : 1;
64 /* If a variadic macro. */
65 unsigned int variadic : 1;
67 /* If macro defined in system header. */
68 unsigned int syshdr : 1;
70 /* Nonzero if it has been expanded or had its existence tested. */
71 unsigned int used : 1;
73 /* Indicate which field of 'exp' is in use. */
74 unsigned int traditional : 1;
76 /* Indicate whether the tokens include extra CPP_PASTE tokens at the
77 end to track invalid redefinitions with consecutive CPP_PASTE
78 tokens. */
79 unsigned int extra_tokens : 1;