138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/* Define constants and variables for communication with parse.y.
|
|
Copyright (C) 1987, 92-97, 1998 Free Software Foundation, Inc.
|
|
Hacked by Michael Tiemann (tiemann@cygnus.com)
|
|
and by Brendan Kehoe (brendan@cygnus.com).
|
|
|
|
This file is part of GNU CC.
|
|
|
|
GNU CC is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY. No author or distributor
|
|
accepts responsibility to anyone for the consequences of using it
|
|
or for whether it serves any particular purpose or works at all,
|
|
unless he says so in writing. Refer to the GNU CC General Public
|
|
License for full details.
|
|
|
|
Everyone is granted permission to copy, modify and redistribute
|
|
GNU CC, but only under the conditions described in the
|
|
GNU CC General Public License. A copy of this license is
|
|
supposed to have been given to you along with GNU CC so you
|
|
can know your rights and responsibilities. It should be in a
|
|
file named COPYING. Among other things, the copyright notice
|
|
and this notice must be preserved on all copies. */
|
|
|
|
|
|
|
|
enum rid
|
|
{
|
|
RID_UNUSED,
|
|
RID_INT,
|
|
RID_BOOL,
|
|
RID_CHAR,
|
|
RID_WCHAR,
|
|
RID_FLOAT,
|
|
RID_DOUBLE,
|
|
RID_VOID,
|
|
|
|
/* C++ extension */
|
|
RID_CLASS,
|
|
RID_RECORD,
|
|
RID_UNION,
|
|
RID_ENUM,
|
|
RID_LONGLONG,
|
|
|
|
/* This is where grokdeclarator starts its search when setting the specbits.
|
|
The first seven are in the order of most frequently used, as found
|
|
building libg++. */
|
|
|
|
RID_EXTERN,
|
|
RID_CONST,
|
|
RID_LONG,
|
|
RID_TYPEDEF,
|
|
RID_UNSIGNED,
|
|
RID_SHORT,
|
|
RID_INLINE,
|
|
|
|
RID_STATIC,
|
|
|
|
RID_REGISTER,
|
|
RID_VOLATILE,
|
|
RID_FRIEND,
|
|
RID_VIRTUAL,
|
|
RID_EXPLICIT,
|
|
RID_EXPORT,
|
|
RID_SIGNED,
|
|
RID_AUTO,
|
|
RID_MUTABLE,
|
|
RID_COMPLEX,
|
|
RID_RESTRICT,
|
|
|
|
/* This is where grokdeclarator ends its search when setting the
|
|
specbits. */
|
|
|
|
RID_PUBLIC,
|
|
RID_PRIVATE,
|
|
RID_PROTECTED,
|
|
RID_EXCEPTION,
|
|
RID_TEMPLATE,
|
|
RID_SIGNATURE,
|
|
RID_NULL,
|
|
/* Before adding enough to get up to 64, the RIDBIT_* macros
|
|
will have to be changed a little. */
|
|
RID_MAX
|
|
};
|
|
|
|
#define NORID RID_UNUSED
|
|
|
|
#define RID_FIRST_MODIFIER RID_EXTERN
|
|
#define RID_LAST_MODIFIER RID_COMPLEX
|
|
|
|
/* The type that can represent all values of RIDBIT. */
|
|
/* We assume that we can stick in at least 32 bits into this. */
|
|
typedef struct { unsigned long idata[2]; }
|
|
RID_BIT_TYPE;
|
|
|
|
/* Be careful, all these modify N twice. */
|
|
#define RIDBIT_SETP(N, V) (((unsigned long)1 << (int) ((N)%32)) \
|
|
& (V).idata[(N)/32])
|
|
#define RIDBIT_NOTSETP(NN, VV) (! RIDBIT_SETP (NN, VV))
|
|
#define RIDBIT_SET(N, V) do { \
|
|
(V).idata[(N)/32] \
|
|
|= ((unsigned long)1 << (int) ((N)%32)); \
|
|
} while (0)
|
|
#define RIDBIT_RESET(N, V) do { \
|
|
(V).idata[(N)/32] \
|
|
&= ~((unsigned long)1 << (int) ((N)%32)); \
|
|
} while (0)
|
|
#define RIDBIT_RESET_ALL(V) do { \
|
|
(V).idata[0] = 0; \
|
|
(V).idata[1] = 0; \
|
|
} while (0)
|
|
#define RIDBIT_ANY_SET(V) ((V).idata[0] || (V).idata[1])
|
|
|
|
/* The elements of `ridpointers' are identifier nodes
|
|
for the reserved type names and storage classes.
|
|
It is indexed by a RID_... value. */
|
|
extern tree ridpointers[(int) RID_MAX];
|
|
|
|
/* the declaration found for the last IDENTIFIER token read in.
|
|
yylex must look this up to detect typedefs, which get token type TYPENAME,
|
|
so it is left around in case the identifier is not a typedef but is
|
|
used in a context which makes it a reference to a variable. */
|
|
extern tree lastiddecl;
|
|
|
|
extern char *token_buffer; /* Pointer to token buffer. */
|
|
|
|
/* Back-door communication channel to the lexer. */
|
|
extern int looking_for_typename;
|
|
extern int looking_for_template;
|
|
|
|
/* Tell the lexer where to look for names. */
|
|
extern tree got_scope;
|
|
extern tree got_object;
|
|
|
|
/* Pending language change.
|
|
Positive is push count, negative is pop count. */
|
|
extern int pending_lang_change;
|
|
|
|
extern int yylex PROTO((void));
|