136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
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/* Define constants and variables for communication with parse.y.
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Copyright (C) 1987, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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Hacked by Michael Tiemann (tiemann@cygnus.com)
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and by Brendan Kehoe (brendan@cygnus.com).
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This file is part of GNU CC.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY. No author or distributor
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accepts responsibility to anyone for the consequences of using it
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or for whether it serves any particular purpose or works at all,
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unless he says so in writing. Refer to the GNU CC General Public
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License for full details.
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Everyone is granted permission to copy, modify and redistribute
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GNU CC, but only under the conditions described in the
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GNU CC General Public License. A copy of this license is
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supposed to have been given to you along with GNU CC so you
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can know your rights and responsibilities. It should be in a
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file named COPYING. Among other things, the copyright notice
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and this notice must be preserved on all copies. */
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enum rid
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{
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RID_UNUSED,
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RID_INT,
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RID_BOOL,
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RID_CHAR,
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RID_WCHAR,
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RID_FLOAT,
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RID_DOUBLE,
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RID_VOID,
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/* C++ extension */
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RID_CLASS,
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RID_RECORD,
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RID_UNION,
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RID_ENUM,
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RID_LONGLONG,
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/* This is where grokdeclarator starts its search when setting the specbits.
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The first seven are in the order of most frequently used, as found
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building libg++. */
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RID_EXTERN,
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RID_CONST,
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RID_LONG,
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RID_TYPEDEF,
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RID_UNSIGNED,
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RID_SHORT,
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RID_INLINE,
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RID_STATIC,
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RID_REGISTER,
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RID_VOLATILE,
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RID_FRIEND,
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RID_VIRTUAL,
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RID_EXPLICIT,
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RID_SIGNED,
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RID_AUTO,
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RID_MUTABLE,
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RID_COMPLEX,
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/* This is where grokdeclarator ends its search when setting the
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specbits. */
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RID_PUBLIC,
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RID_PRIVATE,
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RID_PROTECTED,
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RID_EXCEPTION,
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RID_TEMPLATE,
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RID_SIGNATURE,
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RID_NULL,
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/* Before adding enough to get up to 64, the RIDBIT_* macros
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will have to be changed a little. */
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RID_MAX
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};
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#define NORID RID_UNUSED
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#define RID_FIRST_MODIFIER RID_EXTERN
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#define RID_LAST_MODIFIER RID_COMPLEX
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/* The type that can represent all values of RIDBIT. */
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/* We assume that we can stick in at least 32 bits into this. */
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typedef struct { unsigned long idata[2]; }
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RID_BIT_TYPE;
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/* Be careful, all these modify N twice. */
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#define RIDBIT_SETP(N, V) (((unsigned long)1 << (int) ((N)%32)) \
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& (V).idata[(N)/32])
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#define RIDBIT_NOTSETP(NN, VV) (! RIDBIT_SETP (NN, VV))
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#define RIDBIT_SET(N, V) do { \
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(V).idata[(N)/32] \
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|= ((unsigned long)1 << (int) ((N)%32)); \
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} while (0)
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#define RIDBIT_RESET(N, V) do { \
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(V).idata[(N)/32] \
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&= ~((unsigned long)1 << (int) ((N)%32)); \
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} while (0)
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#define RIDBIT_RESET_ALL(V) do { \
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(V).idata[0] = 0; \
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(V).idata[1] = 0; \
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} while (0)
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#define RIDBIT_ANY_SET(V) ((V).idata[0] || (V).idata[1])
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/* The elements of `ridpointers' are identifier nodes
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for the reserved type names and storage classes.
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It is indexed by a RID_... value. */
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extern tree ridpointers[(int) RID_MAX];
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/* the declaration found for the last IDENTIFIER token read in.
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yylex must look this up to detect typedefs, which get token type TYPENAME,
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so it is left around in case the identifier is not a typedef but is
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used in a context which makes it a reference to a variable. */
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extern tree lastiddecl;
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extern char *token_buffer; /* Pointer to token buffer. */
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/* Back-door communication channel to the lexer. */
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extern int looking_for_typename;
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extern int looking_for_template;
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/* Tell the lexer where to look for names. */
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extern tree got_scope;
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extern tree got_object;
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/* Pending language change.
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Positive is push count, negative is pop count. */
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extern int pending_lang_change;
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extern int yylex PROTO((void));
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