114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/* Process source files and output type information.
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Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_GENGTYPE_H
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#define GCC_GENGTYPE_H
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/* A file position, mostly for error messages.
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The FILE element may be compared using pointer equality. */
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struct fileloc {
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const char *file;
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int line;
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};
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/* Data types handed around within, but opaque to, the lexer and parser. */
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typedef struct pair *pair_p;
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typedef struct type *type_p;
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typedef const struct type *const_type_p;
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typedef struct options *options_p;
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/* Variables used to communicate between the lexer and the parser. */
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extern int lexer_toplevel_done;
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extern struct fileloc lexer_line;
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/* Print an error message. */
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extern void error_at_line
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(const struct fileloc *pos, const char *msg, ...) ATTRIBUTE_PRINTF_2;
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/* Like asprintf, but calls fatal() on out of memory. */
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extern char *xasprintf(const char *, ...) ATTRIBUTE_PRINTF_1;
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/* Constructor routines for types. */
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extern void do_typedef (const char *s, type_p t, struct fileloc *pos);
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extern void do_scalar_typedef (const char *s, struct fileloc *pos);
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extern type_p resolve_typedef (const char *s, struct fileloc *pos);
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extern type_p new_structure (const char *name, int isunion,
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struct fileloc *pos, pair_p fields,
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options_p o);
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extern type_p find_structure (const char *s, int isunion);
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extern type_p create_scalar_type (const char *name);
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extern type_p create_pointer (type_p t);
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extern type_p create_array (type_p t, const char *len);
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extern options_p create_option (options_p, const char *name, const void *info);
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extern options_p create_nested_ptr_option (options_p, type_p t,
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const char *from, const char *to);
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extern pair_p create_field_at (pair_p next, type_p type, const char *name,
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options_p opt, struct fileloc *pos);
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extern pair_p nreverse_pairs (pair_p list);
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extern type_p adjust_field_type (type_p, options_p);
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extern void note_variable (const char *s, type_p t, options_p o,
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struct fileloc *pos);
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extern void note_def_vec (const char *type_name, bool is_scalar,
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struct fileloc *pos);
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extern void note_def_vec_alloc (const char *type, const char *astrat,
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struct fileloc *pos);
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/* Lexer and parser routines. */
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extern int yylex (const char **yylval);
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extern void yybegin (const char *fname);
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extern void yyend (void);
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extern void parse_file (const char *name);
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extern bool hit_error;
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/* Token codes. */
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enum {
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EOF_TOKEN = 0,
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/* Per standard convention, codes in the range (0, UCHAR_MAX]
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represent single characters with those character codes. */
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CHAR_TOKEN_OFFSET = UCHAR_MAX + 1,
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GTY_TOKEN = CHAR_TOKEN_OFFSET,
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TYPEDEF,
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EXTERN,
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STATIC,
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UNION,
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STRUCT,
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ENUM,
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VEC_TOKEN,
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DEFVEC_OP,
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DEFVEC_I,
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DEFVEC_ALLOC,
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ELLIPSIS,
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PTR_ALIAS,
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NESTED_PTR,
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PARAM_IS,
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NUM,
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SCALAR,
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ID,
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STRING,
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CHAR,
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ARRAY,
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/* print_token assumes that any token >= FIRST_TOKEN_WITH_VALUE may have
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a meaningful value to be printed. */
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FIRST_TOKEN_WITH_VALUE = PARAM_IS
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};
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#endif
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