/* Process source files and output type information.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2007 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 2, or (at your option) any later
+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
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+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. */
int line;
};
-/* Kinds of types we can understand. */
-enum typekind {
- TYPE_SCALAR,
- TYPE_STRING,
- TYPE_STRUCT,
- TYPE_UNION,
- TYPE_POINTER,
- TYPE_ARRAY,
- TYPE_LANG_STRUCT,
- TYPE_PARAM_STRUCT
-};
-
+/* Data types handed around within, but opaque to, the lexer and parser. */
typedef struct pair *pair_p;
typedef struct type *type_p;
-typedef unsigned lang_bitmap;
-
-/* Option data for the 'nested_ptr' option. */
-struct nested_ptr_data {
- type_p type;
- const char *convert_to;
- const char *convert_from;
-};
-
-/* A way to pass data through to the output end. */
-typedef struct options {
- struct options *next;
- const char *name;
- const char *info;
-} *options_p;
-
-/* A name and a type. */
-struct pair {
- pair_p next;
- const char *name;
- type_p type;
- struct fileloc line;
- options_p opt;
-};
-
-#define NUM_PARAM 10
-
-/* A description of a type. */
-enum gc_used_enum
- {
- GC_UNUSED = 0,
- GC_USED,
- GC_MAYBE_POINTED_TO,
- GC_POINTED_TO
- };
-
-struct type {
- enum typekind kind;
- type_p next;
- type_p pointer_to;
- enum gc_used_enum gc_used;
- union {
- type_p p;
- struct {
- const char *tag;
- struct fileloc line;
- pair_p fields;
- options_p opt;
- lang_bitmap bitmap;
- type_p lang_struct;
- } s;
- bool scalar_is_char;
- struct {
- type_p p;
- const char *len;
- } a;
- struct {
- type_p stru;
- type_p param[NUM_PARAM];
- struct fileloc line;
- } param_struct;
- } u;
-};
-
-#define UNION_P(x) \
- ((x)->kind == TYPE_UNION || \
- ((x)->kind == TYPE_LANG_STRUCT \
- && (x)->u.s.lang_struct->kind == TYPE_UNION))
-#define UNION_OR_STRUCT_P(x) \
- ((x)->kind == TYPE_UNION \
- || (x)->kind == TYPE_STRUCT \
- || (x)->kind == TYPE_LANG_STRUCT)
+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 void error_at_line
(struct fileloc *pos, const char *msg, ...) ATTRIBUTE_PRINTF_2;
-/* Combines xmalloc() and vasprintf(). */
-extern int xvasprintf (char **, const char *, va_list)
- ATTRIBUTE_PRINTF (2, 0);
-/* Like the above, but more convenient for quick coding. */
-extern char * xasprintf (const char *, ...)
- ATTRIBUTE_PRINTF_1;
+/* 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 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_alloc (const char *type, const char *astrat,
struct fileloc *pos);
-/* Lexer and parser routines, most automatically generated. */
-extern int yylex (void);
-extern void yyerror (const char *);
-extern int yyparse (void);
+/* 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);
-
-/* Output file handling. */
-
-/* Structure representing an output file. */
-struct outf
-{
- struct outf *next;
- const char *name;
- size_t buflength;
- size_t bufused;
- char *buf;
+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
};
-
-typedef struct outf * outf_p;
-
-/* An output file, suitable for definitions, that can see declarations
- made in INPUT_FILE and is linked into every language that uses
- INPUT_FILE. */
-extern outf_p get_output_file_with_visibility
- (const char *input_file);
-const char *get_output_file_name (const char *);
-
-/* A list of output files suitable for definitions. There is one
- BASE_FILES entry for each language. */
-extern outf_p base_files[];
-
-/* A bitmap that specifies which of BASE_FILES should be used to
- output a definition that is different for each language and must be
- defined once in each language that uses INPUT_FILE. */
-extern lang_bitmap get_base_file_bitmap (const char *input_file);
-
-/* Print, like fprintf, to O. */
-extern void oprintf (outf_p o, const char *S, ...)
- ATTRIBUTE_PRINTF_2;
+#endif
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