source: trunk/third/gcc/cp/lex.h @ 8834

Revision 8834, 3.9 KB checked in by ghudson, 28 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r8833, which included commits to RCS files with non-trunk default branches.
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1/* Define constants and variables for communication with parse.y.
2   Copyright (C) 1987, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
3   Hacked by Michael Tiemann (tiemann@cygnus.com)
4   and by Brendan Kehoe (brendan@cygnus.com).
5
6This file is part of GNU CC.
7
8GNU CC is distributed in the hope that it will be useful,
9but WITHOUT ANY WARRANTY.  No author or distributor
10accepts responsibility to anyone for the consequences of using it
11or for whether it serves any particular purpose or works at all,
12unless he says so in writing.  Refer to the GNU CC General Public
13License for full details.
14
15Everyone is granted permission to copy, modify and redistribute
16GNU CC, but only under the conditions described in the
17GNU CC General Public License.   A copy of this license is
18supposed to have been given to you along with GNU CC so you
19can know your rights and responsibilities.  It should be in a
20file named COPYING.  Among other things, the copyright notice
21and this notice must be preserved on all copies.  */
22
23
24
25enum rid
26{
27  RID_UNUSED,
28  RID_INT,
29  RID_BOOL,
30  RID_CHAR,
31  RID_WCHAR,
32  RID_FLOAT,
33  RID_DOUBLE,
34  RID_VOID,
35
36  /* C++ extension */
37  RID_CLASS,
38  RID_RECORD,
39  RID_UNION,
40  RID_ENUM,
41  RID_LONGLONG,
42
43  /* This is where grokdeclarator starts its search when setting the specbits.
44     The first seven are in the order of most frequently used, as found
45     building libg++.  */
46
47  RID_EXTERN,
48  RID_CONST,
49  RID_LONG,
50  RID_TYPEDEF,
51  RID_UNSIGNED,
52  RID_SHORT,
53  RID_INLINE,
54
55  RID_STATIC,
56
57  RID_REGISTER,
58  RID_VOLATILE,
59  RID_FRIEND,
60  RID_VIRTUAL,
61  RID_EXPLICIT,
62  RID_SIGNED,
63  RID_AUTO,
64  RID_MUTABLE,
65
66  /* This is where grokdeclarator ends its search when setting the specbits. */
67
68  RID_PUBLIC,
69  RID_PRIVATE,
70  RID_PROTECTED,
71  RID_EXCEPTION,
72  RID_TEMPLATE,
73  RID_SIGNATURE,
74  /* Before adding enough to get up to 64, the RIDBIT_* macros
75     will have to be changed a little. */
76  RID_MAX
77};
78
79#define NORID RID_UNUSED
80
81#define RID_FIRST_MODIFIER RID_EXTERN
82#define RID_LAST_MODIFIER RID_MUTABLE
83
84/* The type that can represent all values of RIDBIT.  */
85/* We assume that we can stick in at least 32 bits into this. */
86typedef struct { unsigned long idata[2]; }
87     RID_BIT_TYPE;
88
89/* Be careful, all these modify N twice. */
90#define RIDBIT_SETP(N, V) (((unsigned long)1 << (int) ((N)%32))               \
91                            & (V).idata[(N)/32])
92#define RIDBIT_NOTSETP(NN, VV) (! RIDBIT_SETP (NN, VV))
93#define RIDBIT_SET(N, V) do {                                                 \
94                                (V).idata[(N)/32]                             \
95                                  |= ((unsigned long)1 << (int) ((N)%32));    \
96                              } while (0)
97#define RIDBIT_RESET(N, V) do {                                               \
98                                  (V).idata[(N)/32]                           \
99                                    &= ~((unsigned long)1 << (int) ((N)%32)); \
100                                } while (0)
101#define RIDBIT_RESET_ALL(V) do {                                              \
102                                   (V).idata[0] = 0;                          \
103                                   (V).idata[1] = 0;                          \
104                                 } while (0)
105#define RIDBIT_ANY_SET(V) ((V).idata[0] || (V).idata[1])
106
107/* The elements of `ridpointers' are identifier nodes
108   for the reserved type names and storage classes.
109   It is indexed by a RID_... value.  */
110extern tree ridpointers[(int) RID_MAX];
111
112/* the declaration found for the last IDENTIFIER token read in.
113   yylex must look this up to detect typedefs, which get token type TYPENAME,
114   so it is left around in case the identifier is not a typedef but is
115   used in a context which makes it a reference to a variable.  */
116extern tree lastiddecl;
117
118extern char *token_buffer;      /* Pointer to token buffer.  */
119
120/* Back-door communication channel to the lexer.  */
121extern int looking_for_typename;
122extern int looking_for_template;
123
124/* Tell the lexer where to look for names.  */
125extern tree got_scope;
126extern tree got_object;
127
128/* Pending language change.
129   Positive is push count, negative is pop count.  */
130extern int pending_lang_change;
131
132extern tree make_pointer_declarator (), make_reference_declarator ();
133extern void reinit_parse_for_function ();
134extern void reinit_parse_for_method ();
135extern int yylex ();
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