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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [gengtype.h] - Rev 348
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/* Process source files and output type information. 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 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/>. */ /* A file position, mostly for error messages. The FILE element may be compared using pointer equality. */ struct fileloc { const char *file; 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 }; 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; char *sc; 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) /* The one and only TYPE_STRING. */ extern struct type string_type; /* 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; /* 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; /* Constructor routines for types. */ extern void do_typedef (const char *s, type_p t, 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, size_t name_len); 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 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_yacc_type (options_p o, pair_p fields, pair_p typeinfo, struct fileloc *pos); /* Lexer and parser routines, most automatically generated. */ extern int yylex (void); extern void yyerror (const char *); extern int yyparse (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; }; 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;
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