1 /* Process source files and output type information.
2 Copyright (C) 2002, 2003, 2004 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 2, or (at your option) any later
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
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING. If not, write to the Free
18 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
21 #ifndef GCC_GENGTYPE_H
22 #define GCC_GENGTYPE_H
24 /* A file position, mostly for error messages.
25 The FILE element may be compared using pointer equality. */
31 /* Data types handed around within, but opaque to, the lexer and parser. */
32 typedef struct pair *pair_p;
33 typedef struct type *type_p;
34 typedef const struct type *const_type_p;
35 typedef struct options *options_p;
37 /* Variables used to communicate between the lexer and the parser. */
38 extern int lexer_toplevel_done;
39 extern struct fileloc lexer_line;
41 /* Print an error message. */
42 extern void error_at_line
43 (struct fileloc *pos, const char *msg, ...) ATTRIBUTE_PRINTF_2;
45 /* Like asprintf, but calls fatal() on out of memory. */
46 extern char *xasprintf(const char *, ...) ATTRIBUTE_PRINTF_1;
48 /* Constructor routines for types. */
49 extern void do_typedef (const char *s, type_p t, struct fileloc *pos);
50 extern void do_scalar_typedef (const char *s, struct fileloc *pos);
51 extern type_p resolve_typedef (const char *s, struct fileloc *pos);
52 extern type_p new_structure (const char *name, int isunion,
53 struct fileloc *pos, pair_p fields,
55 extern type_p find_structure (const char *s, int isunion);
56 extern type_p create_scalar_type (const char *name);
57 extern type_p create_pointer (type_p t);
58 extern type_p create_array (type_p t, const char *len);
59 extern options_p create_option (options_p, const char *name, const void *info);
60 extern options_p create_nested_ptr_option (options_p, type_p t,
61 const char *from, const char *to);
62 extern pair_p create_field_at (pair_p next, type_p type, const char *name,
63 options_p opt, struct fileloc *pos);
64 extern pair_p nreverse_pairs (pair_p list);
65 extern type_p adjust_field_type (type_p, options_p);
66 extern void note_variable (const char *s, type_p t, options_p o,
68 extern void note_def_vec (const char *typename, bool is_scalar,
70 extern void note_def_vec_alloc (const char *type, const char *astrat,
73 /* Lexer and parser routines. */
74 extern int yylex (const char **yylval);
75 extern void yybegin (const char *fname);
76 extern void yyend (void);
77 extern void parse_file (const char *name);
78 extern bool hit_error;
84 /* Per standard convention, codes in the range (0, UCHAR_MAX]
85 represent single characters with those character codes. */
87 CHAR_TOKEN_OFFSET = UCHAR_MAX + 1,
88 GTY_TOKEN = CHAR_TOKEN_OFFSET,
110 /* print_token assumes that any token >= FIRST_TOKEN_WITH_VALUE may have
111 a meaningful value to be printed. */
112 FIRST_TOKEN_WITH_VALUE = PARAM_IS