1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* Process source files and output type information.
Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_GENGTYPE_H
#define GCC_GENGTYPE_H
/* A file position, mostly for error messages.
The FILE element may be compared using pointer equality. */
struct fileloc {
const char *file;
int line;
};
/* Data types handed around within, but opaque to, the lexer and parser. */
typedef struct pair *pair_p;
typedef struct type *type_p;
typedef const struct type *const_type_p;
typedef struct options *options_p;
/* Variables used to communicate between the lexer and the parser. */
extern int lexer_toplevel_done;
extern struct fileloc lexer_line;
/* Print an error message. */
extern void error_at_line
(struct fileloc *pos, const char *msg, ...) ATTRIBUTE_PRINTF_2;
/* Like asprintf, but calls fatal() on out of memory. */
extern char *xasprintf(const char *, ...) ATTRIBUTE_PRINTF_1;
/* Constructor routines for types. */
extern void do_typedef (const char *s, type_p t, struct fileloc *pos);
extern void do_scalar_typedef (const char *s, struct fileloc *pos);
extern type_p resolve_typedef (const char *s, struct fileloc *pos);
extern type_p new_structure (const char *name, int isunion,
struct fileloc *pos, pair_p fields,
options_p o);
extern type_p find_structure (const char *s, int isunion);
extern type_p create_scalar_type (const char *name);
extern type_p create_pointer (type_p t);
extern type_p create_array (type_p t, const char *len);
extern options_p create_option (options_p, const char *name, const void *info);
extern options_p create_nested_ptr_option (options_p, type_p t,
const char *from, const char *to);
extern pair_p create_field_at (pair_p next, type_p type, const char *name,
options_p opt, struct fileloc *pos);
extern pair_p nreverse_pairs (pair_p list);
extern type_p adjust_field_type (type_p, options_p);
extern void note_variable (const char *s, type_p t, options_p o,
struct fileloc *pos);
extern void note_def_vec (const char *type_name, bool is_scalar,
struct fileloc *pos);
extern void note_def_vec_alloc (const char *type, const char *astrat,
struct fileloc *pos);
/* Lexer and parser routines. */
extern int yylex (const char **yylval);
extern void yybegin (const char *fname);
extern void yyend (void);
extern void parse_file (const char *name);
extern bool hit_error;
/* Token codes. */
enum {
EOF_TOKEN = 0,
/* Per standard convention, codes in the range (0, UCHAR_MAX]
represent single characters with those character codes. */
CHAR_TOKEN_OFFSET = UCHAR_MAX + 1,
GTY_TOKEN = CHAR_TOKEN_OFFSET,
TYPEDEF,
EXTERN,
STATIC,
UNION,
STRUCT,
ENUM,
VEC_TOKEN,
DEFVEC_OP,
DEFVEC_I,
DEFVEC_ALLOC,
ELLIPSIS,
PTR_ALIAS,
NESTED_PTR,
PARAM_IS,
NUM,
SCALAR,
ID,
STRING,
CHAR,
ARRAY,
/* print_token assumes that any token >= FIRST_TOKEN_WITH_VALUE may have
a meaningful value to be printed. */
FIRST_TOKEN_WITH_VALUE = PARAM_IS
};
#endif
|
