1 /* -*- indented-text -*- */
2 /* Process source files and output type information.
3 Copyright (C) 2002 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
26 #define YYERROR_VERBOSE
36 %token <t>ENT_TYPEDEF_STRUCT
38 %token ENT_EXTERNSTATIC
40 %token GTY_TOKEN "GTY"
42 %token STRUCT "struct"
44 %token ALIAS "ptr_alias"
47 %token PERCENTPERCENT "%%"
55 %type <p> struct_fields yacc_ids yacc_typematch
56 %type <t> type lasttype
57 %type <o> optionsopt options option optionseq optionseqopt
63 | typedef_struct start
68 typedef_struct: ENT_TYPEDEF_STRUCT options '{' struct_fields '}' ID
70 new_structure ($1->u.s.tag, UNION_P ($1), &lexer_line,
72 do_typedef ($6, $1, &lexer_line);
73 lexer_toplevel_done = 1;
77 | ENT_STRUCT options '{' struct_fields '}'
79 new_structure ($1->u.s.tag, UNION_P ($1), &lexer_line,
81 lexer_toplevel_done = 1;
87 externstatic: ENT_EXTERNSTATIC options lasttype ID semiequal
89 note_variable ($4, adjust_field_type ($3, $2), $2,
92 | ENT_EXTERNSTATIC options lasttype ID ARRAY semiequal
94 note_variable ($4, create_array ($3, $5),
97 | ENT_EXTERNSTATIC options lasttype ID ARRAY ARRAY semiequal
99 note_variable ($4, create_array (create_array ($3, $6),
107 lexer_toplevel_done = 1;
116 yacc_union: ENT_YACCUNION options struct_fields '}' yacc_typematch
119 note_yacc_type ($2, $3, $5, &lexer_line);
123 yacc_typematch: /* empty */
125 | yacc_typematch PERCENT_ID yacc_ids
128 for (p = $3; p->next != NULL; p = p->next)
138 | yacc_typematch PERCENT_ID '<' ID '>' yacc_ids
141 type_p newtype = NULL;
142 if (strcmp ($2, "type") == 0)
143 newtype = (type_p) 1;
144 for (p = $6; p->next != NULL; p = p->next)
156 yacc_ids: /* empty */
160 pair_p p = xcalloc (1, sizeof (*p));
162 p->line = lexer_line;
163 p->opt = xmalloc (sizeof (*(p->opt)));
164 p->opt->name = "tag";
166 p->opt->info = (char *)$2;
171 pair_p p = xcalloc (1, sizeof (*p));
173 p->line = lexer_line;
174 p->opt = xmalloc (sizeof (*(p->opt)));
175 p->opt->name = "tag";
177 p->opt->info = xasprintf ("'%s'", $2);
182 struct_fields: { $$ = NULL; }
183 | type optionsopt ID bitfieldopt ';' struct_fields
185 pair_p p = xmalloc (sizeof (*p));
186 p->type = adjust_field_type ($1, $2);
190 p->line = lexer_line;
193 | type optionsopt ID ARRAY ';' struct_fields
195 pair_p p = xmalloc (sizeof (*p));
196 p->type = adjust_field_type (create_array ($1, $4), $2);
200 p->line = lexer_line;
203 | type optionsopt ID ARRAY ARRAY ';' struct_fields
205 pair_p p = xmalloc (sizeof (*p));
206 p->type = create_array (create_array ($1, $5), $4);
210 p->line = lexer_line;
215 bitfieldopt: /* empty */
222 { $$ = resolve_typedef ($1, &lexer_line); }
224 { $$ = create_pointer ($1); }
225 | STRUCT ID '{' struct_fields '}'
227 new_structure ($2, 0, &lexer_line, $4, NULL);
228 $$ = find_structure ($2, 0);
231 { $$ = find_structure ($2, 0); }
232 | UNION ID '{' struct_fields '}'
234 new_structure ($2, 1, &lexer_line, $4, NULL);
235 $$ = find_structure ($2, 1);
238 { $$ = find_structure ($2, 1); }
240 { $$ = create_scalar_type ($2, strlen ($2)); }
241 | ENUM ID '{' enum_items '}'
242 { $$ = create_scalar_type ($2, strlen ($2)); }
245 enum_items: /* empty */
246 | ID '=' NUM ',' enum_items
254 optionsopt: { $$ = NULL; }
255 | options { $$ = $1; }
258 options: GTY_TOKEN '(' '(' optionseqopt ')' ')'
263 { $$ = "ptr_alias"; }
268 option: type_option '(' type ')'
270 options_p o = xmalloc (sizeof (*o));
272 o->info = adjust_field_type ($3, NULL);
277 options_p o = xmalloc (sizeof (*o));
279 o->info = (void *)$3;
289 | optionseq ',' option
296 optionseqopt: { $$ = NULL; }
297 | optionseq { $$ = $1; }