mirror of git://gcc.gnu.org/git/gcc.git
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* Structures that hang off cpp_identifier, for PCH.
|
|
Copyright (C) 1986-2014 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by the
|
|
Free Software Foundation; either version 3, or (at your option) any
|
|
later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING3. If not see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "cpplib.h"
|
|
|
|
#if !defined (HAVE_UCHAR) && !defined (IN_GCC)
|
|
typedef unsigned char uchar;
|
|
#endif
|
|
|
|
#define UC (const unsigned char *) /* Intended use: UC"string" */
|
|
|
|
/* Chained list of answers to an assertion. */
|
|
struct GTY(()) answer {
|
|
struct answer *next;
|
|
unsigned int count;
|
|
cpp_token GTY ((length ("%h.count"))) first[1];
|
|
};
|
|
|
|
/* Each macro definition is recorded in a cpp_macro structure.
|
|
Variadic macros cannot occur with traditional cpp. */
|
|
struct GTY(()) cpp_macro {
|
|
/* Parameters, if any. */
|
|
cpp_hashnode ** GTY ((nested_ptr (union tree_node,
|
|
"%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL",
|
|
"%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"),
|
|
length ("%h.paramc")))
|
|
params;
|
|
|
|
/* Replacement tokens (ISO) or replacement text (traditional). See
|
|
comment at top of cpptrad.c for how traditional function-like
|
|
macros are encoded. */
|
|
union cpp_macro_u
|
|
{
|
|
cpp_token * GTY ((tag ("0"), length ("%0.count"))) tokens;
|
|
const unsigned char * GTY ((tag ("1"))) text;
|
|
} GTY ((desc ("%1.traditional"))) exp;
|
|
|
|
/* Definition line number. */
|
|
source_location line;
|
|
|
|
/* Number of tokens in expansion, or bytes for traditional macros. */
|
|
unsigned int count;
|
|
|
|
/* Number of parameters. */
|
|
unsigned short paramc;
|
|
|
|
/* If a function-like macro. */
|
|
unsigned int fun_like : 1;
|
|
|
|
/* If a variadic macro. */
|
|
unsigned int variadic : 1;
|
|
|
|
/* If macro defined in system header. */
|
|
unsigned int syshdr : 1;
|
|
|
|
/* Nonzero if it has been expanded or had its existence tested. */
|
|
unsigned int used : 1;
|
|
|
|
/* Indicate which field of 'exp' is in use. */
|
|
unsigned int traditional : 1;
|
|
|
|
/* Indicate whether the tokens include extra CPP_PASTE tokens at the
|
|
end to track invalid redefinitions with consecutive CPP_PASTE
|
|
tokens. */
|
|
unsigned int extra_tokens : 1;
|
|
};
|