Daily bump.
[official-gcc.git] / gcc / gengtype.h
blobfef1262a958f6935e7213893fc91fb6f8ff2d256
1 /* Process source files and output type information.
2 Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
9 version.
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
20 #ifndef GCC_GENGTYPE_H
21 #define GCC_GENGTYPE_H
23 /* A file position, mostly for error messages.
24 The FILE element may be compared using pointer equality. */
25 struct fileloc {
26 const char *file;
27 int line;
30 /* Data types handed around within, but opaque to, the lexer and parser. */
31 typedef struct pair *pair_p;
32 typedef struct type *type_p;
33 typedef const struct type *const_type_p;
34 typedef struct options *options_p;
36 /* Variables used to communicate between the lexer and the parser. */
37 extern int lexer_toplevel_done;
38 extern struct fileloc lexer_line;
40 /* Print an error message. */
41 extern void error_at_line
42 (struct fileloc *pos, const char *msg, ...) ATTRIBUTE_PRINTF_2;
44 /* Like asprintf, but calls fatal() on out of memory. */
45 extern char *xasprintf(const char *, ...) ATTRIBUTE_PRINTF_1;
47 /* Constructor routines for types. */
48 extern void do_typedef (const char *s, type_p t, struct fileloc *pos);
49 extern void do_scalar_typedef (const char *s, struct fileloc *pos);
50 extern type_p resolve_typedef (const char *s, struct fileloc *pos);
51 extern type_p new_structure (const char *name, int isunion,
52 struct fileloc *pos, pair_p fields,
53 options_p o);
54 extern type_p find_structure (const char *s, int isunion);
55 extern type_p create_scalar_type (const char *name);
56 extern type_p create_pointer (type_p t);
57 extern type_p create_array (type_p t, const char *len);
58 extern options_p create_option (options_p, const char *name, const void *info);
59 extern options_p create_nested_ptr_option (options_p, type_p t,
60 const char *from, const char *to);
61 extern pair_p create_field_at (pair_p next, type_p type, const char *name,
62 options_p opt, struct fileloc *pos);
63 extern pair_p nreverse_pairs (pair_p list);
64 extern type_p adjust_field_type (type_p, options_p);
65 extern void note_variable (const char *s, type_p t, options_p o,
66 struct fileloc *pos);
67 extern void note_def_vec (const char *typename, bool is_scalar,
68 struct fileloc *pos);
69 extern void note_def_vec_alloc (const char *type, const char *astrat,
70 struct fileloc *pos);
72 /* Lexer and parser routines. */
73 extern int yylex (const char **yylval);
74 extern void yybegin (const char *fname);
75 extern void yyend (void);
76 extern void parse_file (const char *name);
77 extern bool hit_error;
79 /* Token codes. */
80 enum {
81 EOF_TOKEN = 0,
83 /* Per standard convention, codes in the range (0, UCHAR_MAX]
84 represent single characters with those character codes. */
86 CHAR_TOKEN_OFFSET = UCHAR_MAX + 1,
87 GTY_TOKEN = CHAR_TOKEN_OFFSET,
88 TYPEDEF,
89 EXTERN,
90 STATIC,
91 UNION,
92 STRUCT,
93 ENUM,
94 VEC_TOKEN,
95 DEFVEC_OP,
96 DEFVEC_I,
97 DEFVEC_ALLOC,
98 ELLIPSIS,
99 PTR_ALIAS,
100 NESTED_PTR,
101 PARAM_IS,
102 NUM,
103 SCALAR,
105 STRING,
106 CHAR,
107 ARRAY,
109 /* print_token assumes that any token >= FIRST_TOKEN_WITH_VALUE may have
110 a meaningful value to be printed. */
111 FIRST_TOKEN_WITH_VALUE = PARAM_IS
113 #endif