externs1.h revision 1.115 1 /* $NetBSD: externs1.h,v 1.115 2021/07/06 04:44:20 rillig Exp $ */
2
3 /*
4 * Copyright (c) 1994, 1995 Jochen Pohl
5 * All Rights Reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Jochen Pohl for
18 * The NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 /*
35 * main.c
36 */
37 extern int aflag;
38 extern bool bflag;
39 extern bool cflag;
40 extern bool c11flag;
41 extern bool dflag;
42 extern bool eflag;
43 extern bool Fflag;
44 extern bool gflag;
45 extern bool hflag;
46 extern bool rflag;
47 extern bool sflag;
48 extern bool tflag;
49 extern bool uflag;
50 extern bool vflag;
51 extern bool yflag;
52 extern bool wflag;
53 extern bool zflag;
54 extern bool Sflag;
55 extern bool Pflag;
56
57 extern void norecover(void);
58
59 /*
60 * cgram.y
61 */
62 extern int block_level;
63 extern int mem_block_level;
64 extern int yydebug;
65
66 extern int yyerror(const char *);
67 extern int yyparse(void);
68
69 /*
70 * scan.l
71 */
72 extern bool attron;
73 extern pos_t curr_pos;
74 extern pos_t csrc_pos;
75 extern bool in_system_header;
76 extern symt_t symtyp;
77 extern FILE *yyin;
78
79 extern void initscan(void);
80 extern int msb(int64_t, tspec_t, int);
81 extern int64_t convert_integer(int64_t, tspec_t, int);
82 extern void clear_warn_flags(void);
83 extern sym_t *getsym(sbuf_t *);
84 extern void cleanup(void);
85 extern sym_t *pushdown(const sym_t *);
86 extern sym_t *mktempsym(type_t *);
87 extern void rmsym(sym_t *);
88 extern void rmsyms(sym_t *);
89 extern void inssym(int, sym_t *);
90 extern void freeyyv(void *, int);
91 extern int yylex(void);
92
93 /*
94 * mem1.c
95 */
96 extern const char *record_filename(const char *, size_t);
97 extern int get_filename_id(const char *);
98 extern void add_directory_replacement(char *);
99 extern const char *transform_filename(const char *, size_t);
100
101 extern void initmem(void);
102
103 extern void *getblk(size_t);
104 extern void *getlblk(size_t, size_t);
105 extern void freeblk(void);
106 extern void freelblk(int);
107
108 extern void *expr_zalloc(size_t);
109 extern tnode_t *expr_zalloc_tnode(void);
110 extern void expr_free_all(void);
111 extern struct memory_block *expr_save_memory(void);
112 extern void expr_restore_memory(struct memory_block *);
113
114 /*
115 * err.c
116 */
117 extern int nerr;
118 extern int sytxerr;
119 extern const char *const msgs[];
120
121 extern void msglist(void);
122 extern void error_at(int, const pos_t *, ...);
123 extern void warning_at(int, const pos_t *, ...);
124 extern void message_at(int, const pos_t *, ...);
125 extern void error(int, ...);
126 extern void warning(int, ...);
127 extern void message(int, ...);
128 extern void gnuism(int, ...);
129 extern void c99ism(int, ...);
130 extern void c11ism(int, ...);
131 extern void internal_error(const char *, int, const char *, ...)
132 __attribute__((__noreturn__,__format__(__printf__, 3, 4)));
133 extern void assert_failed(const char *, int, const char *, const char *)
134 __attribute__((__noreturn__));
135 extern void update_location(const char *, int, bool, bool);
136
137 /*
138 * decl.c
139 */
140 extern dinfo_t *dcs;
141 extern const char *unnamed;
142 extern int enumval;
143
144 extern void initdecl(void);
145 extern type_t *gettyp(tspec_t);
146 extern type_t *dup_type(const type_t *);
147 extern type_t *expr_dup_type(const type_t *);
148 extern bool is_incomplete(const type_t *);
149 extern void setcomplete(type_t *, bool);
150 extern void add_storage_class(scl_t);
151 extern void add_type(type_t *);
152 extern void add_qualifier(tqual_t);
153 extern void addpacked(void);
154 extern void add_attr_used(void);
155 extern void begin_declaration_level(scl_t);
156 extern void end_declaration_level(void);
157 extern void setasm(void);
158 extern void clrtyp(void);
159 extern void deftyp(void);
160 extern int length(const type_t *, const char *);
161 extern int alignment_in_bits(const type_t *);
162 extern sym_t *lnklst(sym_t *, sym_t *);
163 extern void check_type(sym_t *);
164 extern sym_t *declarator_1_struct_union(sym_t *);
165 extern sym_t *bitfield(sym_t *, int);
166 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *);
167 extern sym_t *add_pointer(sym_t *, qual_ptr *);
168 extern sym_t *add_array(sym_t *, bool, int);
169 extern sym_t *add_function(sym_t *, sym_t *);
170 extern void check_function_definition(sym_t *, bool);
171 extern sym_t *declarator_name(sym_t *);
172 extern sym_t *old_style_function_name(sym_t *);
173 extern type_t *mktag(sym_t *, tspec_t, bool, bool);
174 extern const char *storage_class_name(scl_t);
175 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *);
176 extern type_t *complete_tag_enum(type_t *, sym_t *);
177 extern sym_t *enumeration_constant(sym_t *, int, bool);
178 extern void declare(sym_t *, bool, sbuf_t *);
179 extern void copy_usage_info(sym_t *, sym_t *);
180 extern bool check_redeclaration(sym_t *, bool *);
181 extern bool eqptrtype(const type_t *, const type_t *, bool);
182 extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *);
183 extern void complete_type(sym_t *, sym_t *);
184 extern sym_t *declare_argument(sym_t *, bool);
185 extern void check_func_lint_directives(void);
186 extern void check_func_old_style_arguments(void);
187
188 extern void declare_local(sym_t *, bool);
189 extern sym_t *abstract_name(void);
190 extern void global_clean_up(void);
191 extern sym_t *declare_1_abstract(sym_t *);
192 extern void check_size(sym_t *);
193 extern void mark_as_set(sym_t *);
194 extern void mark_as_used(sym_t *, bool, bool);
195 extern void check_usage(dinfo_t *);
196 extern void check_usage_sym(bool, sym_t *);
197 extern void check_global_symbols(void);
198 extern void print_previous_declaration(int, const sym_t *);
199 extern int to_int_constant(tnode_t *, bool);
200
201 /*
202 * tree.c
203 */
204 extern const tnode_t *before_conversion(const tnode_t *);
205 extern type_t *derive_type(type_t *, tspec_t);
206 extern type_t *expr_derive_type(type_t *, tspec_t);
207 extern tnode_t *expr_new_constant(type_t *, val_t *);
208 extern tnode_t *new_name_node(sym_t *, int);
209 extern tnode_t *new_string_node(strg_t *);
210 extern sym_t *struct_or_union_member(tnode_t *, op_t, sym_t *);
211 extern tnode_t *build_generic_selection(const tnode_t *,
212 struct generic_association *);
213
214 extern tnode_t *build(op_t, tnode_t *, tnode_t *);
215 extern tnode_t *cconv(tnode_t *);
216 extern bool is_typeok_bool_operand(const tnode_t *);
217 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *);
218 extern tnode_t *promote(op_t, bool, tnode_t *);
219 extern tnode_t *convert(op_t, int, type_t *, tnode_t *);
220 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *);
221 extern tnode_t *build_sizeof(const type_t *);
222 extern tnode_t *build_offsetof(const type_t *, const sym_t *);
223 extern tnode_t *build_alignof(const type_t *);
224 extern tnode_t *cast(tnode_t *, type_t *);
225 extern tnode_t *new_function_argument_node(tnode_t *, tnode_t *);
226 extern tnode_t *new_function_call_node(tnode_t *, tnode_t *);
227 extern val_t *constant(tnode_t *, bool);
228 extern void expr(tnode_t *, bool, bool, bool, bool);
229 extern void check_expr_misc(const tnode_t *, bool, bool, bool,
230 bool, bool, bool);
231 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *);
232 extern strg_t *cat_strings(strg_t *, strg_t *);
233 extern int64_t type_size_in_bits(const type_t *);
234 #ifdef DEBUG
235 extern void debug_node(const tnode_t *, int);
236 #else
237 #define debug_node(tn, indent) do { } while (false)
238 #endif
239
240 /*
241 * func.c
242 */
243 extern sym_t *funcsym;
244 extern bool reached;
245 extern bool warn_about_unreachable;
246 extern bool seen_fallthrough;
247 extern int nargusg;
248 extern pos_t argsused_pos;
249 extern int nvararg;
250 extern pos_t vapos;
251 extern int printflike_argnum;
252 extern pos_t printflike_pos;
253 extern int scanflike_argnum;
254 extern pos_t scanflike_pos;
255 extern bool constcond_flag;
256 extern bool llibflg;
257 extern int lwarn;
258 extern bool bitfieldtype_ok;
259 extern bool plibflg;
260 extern bool quadflg;
261
262 extern void begin_control_statement(control_statement_kind);
263 extern void end_control_statement(control_statement_kind);
264 extern void check_statement_reachable(void);
265 extern void funcdef(sym_t *);
266 extern void funcend(void);
267 extern void named_label(sym_t *);
268 extern void case_label(tnode_t *);
269 extern void default_label(void);
270 extern void if1(tnode_t *);
271 extern void if2(void);
272 extern void if3(bool);
273 extern void switch1(tnode_t *);
274 extern void switch2(void);
275 extern void while1(tnode_t *);
276 extern void while2(void);
277 extern void do1(void);
278 extern void do2(tnode_t *);
279 extern void for1(tnode_t *, tnode_t *, tnode_t *);
280 extern void for2(void);
281 extern void do_goto(sym_t *);
282 extern void do_continue(void);
283 extern void do_break(void);
284 extern void do_return(tnode_t *);
285 extern void global_clean_up_decl(bool);
286 extern void argsused(int);
287 extern void constcond(int);
288 extern void fallthru(int);
289 extern void not_reached(int);
290 extern void lintlib(int);
291 extern void linted(int);
292 extern void varargs(int);
293 extern void printflike(int);
294 extern void scanflike(int);
295 extern void protolib(int);
296 extern void longlong(int);
297 extern void bitfieldtype(int);
298
299 /*
300 * init.c
301 */
302 extern void begin_initialization(sym_t *);
303 extern void end_initialization(void);
304 extern sym_t **current_initsym(void);
305
306 extern void init_rbrace(void);
307 extern void init_lbrace(void);
308 extern void init_expr(tnode_t *);
309 extern void add_designator_member(sbuf_t *);
310 extern void add_designator_subscript(range_t);
311
312 /*
313 * emit.c
314 */
315 extern void outtype(const type_t *);
316 extern const char *ttos(const type_t *);
317 extern void outsym(const sym_t *, scl_t, def_t);
318 extern void outfdef(const sym_t *, const pos_t *, bool, bool,
319 const sym_t *);
320 extern void outcall(const tnode_t *, bool, bool);
321 extern void outusg(const sym_t *);
322
323 /*
324 * lex.c
325 */
326 extern int lex_name(const char *, size_t);
327 extern int lex_integer_constant(const char *, size_t, int);
328 extern int lex_floating_constant(const char *, size_t);
329 extern int lex_operator(int, op_t);
330 extern int lex_string(void);
331 extern int lex_wide_string(void);
332 extern int lex_character_constant(void);
333 extern int lex_wide_character_constant(void);
334 extern void lex_directive(const char *);
335 extern void lex_next_line(void);
336 extern void lex_comment(void);
337 extern void lex_slash_slash_comment(void);
338 extern void lex_unknown_character(int);
339 extern int lex_input(void);
340
341 /*
342 * print.c
343 */
344 const char *scl_name(scl_t);
345
346 /*
347 * ckbool.c
348 */
349 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int,
350 const tnode_t *, const tnode_t *);
351 extern bool fallback_symbol_strict_bool(sym_t *);
352
353 /*
354 * ckctype.c
355 */
356 extern void check_ctype_function_call(const tnode_t *, const tnode_t *);
357 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *);
358
359 /*
360 * ckgetopt.c
361 */
362 extern void check_getopt_begin_while(const tnode_t *);
363 extern void check_getopt_begin_switch(void);
364 extern void check_getopt_case_label(int64_t);
365 extern void check_getopt_end_switch(void);
366 extern void check_getopt_end_while(void);
367