externs1.h revision 1.159
1 /* $NetBSD: externs1.h,v 1.159 2022/04/30 21:38:03 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 eflag; 41 extern bool Fflag; 42 extern bool hflag; 43 extern bool pflag; 44 extern bool rflag; 45 extern bool uflag; 46 extern bool vflag; 47 extern bool yflag; 48 extern bool wflag; 49 extern bool zflag; 50 extern bool Tflag; 51 extern bool Pflag; 52 53 extern bool allow_trad; 54 extern bool allow_c90; 55 extern bool allow_c99; 56 extern bool allow_c11; 57 extern bool allow_gcc; 58 59 /* 60 * TODO: Replace the old flags with the new expressions, checking in each 61 * case whether the specific condition still makes sense. When lint was 62 * invented in 1995, it did not know about C99 mode, which makes all 63 * conditions involving sflag suspicious. 64 * 65 * In 1995, gflag meant "C90 plus GCC extensions". That definition needs to 66 * be extended to C99 and later as well to properly match "C99 + GCC" or "C11 67 * + GCC", in all calls to gnuism. 68 */ 69 #define sflag (!allow_trad && !allow_c99) 70 71 extern void norecover(void); 72 73 /* 74 * cgram.y 75 */ 76 extern int block_level; 77 extern size_t mem_block_level; 78 extern int yydebug; 79 80 extern int yyerror(const char *); 81 extern int yyparse(void); 82 83 /* 84 * scan.l 85 */ 86 extern bool in_gcc_attribute; 87 extern pos_t curr_pos; 88 extern pos_t csrc_pos; 89 extern bool in_system_header; 90 extern symt_t symtyp; 91 extern FILE *yyin; 92 93 extern void initscan(void); 94 extern int64_t convert_integer(int64_t, tspec_t, unsigned int); 95 extern void clear_warn_flags(void); 96 extern sym_t *getsym(sbuf_t *); 97 extern void clean_up_after_error(void); 98 extern sym_t *pushdown(const sym_t *); 99 extern sym_t *mktempsym(type_t *); 100 extern void rmsym(sym_t *); 101 extern void rmsyms(sym_t *); 102 extern void inssym(int, sym_t *); 103 extern void freeyyv(void *, int); 104 extern int yylex(void); 105 106 /* 107 * mem1.c 108 */ 109 extern const char *record_filename(const char *, size_t); 110 extern int get_filename_id(const char *); 111 extern void add_directory_replacement(char *); 112 extern const char *transform_filename(const char *, size_t); 113 114 extern void initmem(void); 115 116 extern void *block_zero_alloc(size_t); 117 extern void *level_zero_alloc(size_t, size_t); 118 extern void level_free_all(size_t); 119 120 extern void *expr_zero_alloc(size_t); 121 extern tnode_t *expr_alloc_tnode(void); 122 extern void expr_free_all(void); 123 extern struct memory_block *expr_save_memory(void); 124 extern void expr_restore_memory(struct memory_block *); 125 126 /* 127 * debug.c 128 */ 129 130 #ifdef DEBUG 131 const char *declaration_kind_name(declaration_kind); 132 const char *scl_name(scl_t); 133 const char *symt_name(symt_t); 134 const char *tqual_name(tqual_t); 135 void debug_dinfo(const dinfo_t *); 136 void debug_node(const tnode_t *); 137 void debug_sym(const char *, const sym_t *, const char *); 138 void debug_symtab(void); 139 void debug_printf(const char *fmt, ...) __printflike(1, 2); 140 void debug_print_indent(void); 141 void debug_indent_inc(void); 142 void debug_indent_dec(void); 143 void debug_enter(const char *); 144 void debug_step(const char *fmt, ...) __printflike(1, 2); 145 void debug_leave(const char *); 146 #define debug_enter() (debug_enter)(__func__) 147 #define debug_leave() (debug_leave)(__func__) 148 #else 149 #define debug_noop() do { } while (false) 150 #define debug_dinfo(d) debug_noop() 151 #define debug_sym(p, sym, s) debug_noop() 152 #define debug_symtab() debug_noop() 153 #define debug_node(tn) debug_noop() 154 #define debug_printf(...) debug_noop() 155 #define debug_print_indent() debug_noop() 156 #define debug_indent_inc() debug_noop() 157 #define debug_indent_dec() debug_noop() 158 #define debug_enter() debug_noop() 159 #define debug_step(...) debug_noop() 160 #define debug_leave() debug_noop() 161 #endif 162 163 /* 164 * err.c 165 */ 166 extern int nerr; 167 extern int sytxerr; 168 extern const char *const msgs[]; 169 170 extern void msglist(void); 171 extern void error_at(int, const pos_t *, ...); 172 extern void warning_at(int, const pos_t *, ...); 173 extern void message_at(int, const pos_t *, ...); 174 extern void error(int, ...); 175 extern void warning(int, ...); 176 extern bool gnuism(int, ...); 177 extern void c99ism(int, ...); 178 extern void c11ism(int, ...); 179 extern void internal_error(const char *, int, const char *, ...) 180 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 181 extern void assert_failed(const char *, int, const char *, const char *) 182 __attribute__((__noreturn__)); 183 extern void update_location(const char *, int, bool, bool); 184 185 /* 186 * decl.c 187 */ 188 extern dinfo_t *dcs; 189 extern const char *unnamed; 190 extern int enumval; 191 192 extern void initdecl(void); 193 extern type_t *gettyp(tspec_t); 194 extern type_t *block_dup_type(const type_t *); 195 extern type_t *expr_dup_type(const type_t *); 196 extern type_t *expr_unqualified_type(const type_t *); 197 extern bool is_incomplete(const type_t *); 198 extern void add_storage_class(scl_t); 199 extern void add_type(type_t *); 200 extern void add_qualifier(tqual_t); 201 extern void addpacked(void); 202 extern void add_attr_used(void); 203 extern void begin_declaration_level(declaration_kind); 204 extern void end_declaration_level(void); 205 extern void setasm(void); 206 extern void begin_type(void); 207 extern void end_type(void); 208 extern int length_in_bits(const type_t *, const char *); 209 extern unsigned int alignment_in_bits(const type_t *); 210 extern sym_t *lnklst(sym_t *, sym_t *); 211 extern void check_type(sym_t *); 212 extern sym_t *declarator_1_struct_union(sym_t *); 213 extern sym_t *bitfield(sym_t *, int); 214 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 215 extern sym_t *add_pointer(sym_t *, qual_ptr *); 216 extern sym_t *add_array(sym_t *, bool, int); 217 extern sym_t *add_function(sym_t *, sym_t *); 218 extern void check_function_definition(sym_t *, bool); 219 extern sym_t *declarator_name(sym_t *); 220 extern sym_t *old_style_function_name(sym_t *); 221 extern type_t *mktag(sym_t *, tspec_t, bool, bool); 222 extern const char *storage_class_name(scl_t); 223 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 224 extern type_t *complete_tag_enum(type_t *, sym_t *); 225 extern sym_t *enumeration_constant(sym_t *, int, bool); 226 extern void declare(sym_t *, bool, sbuf_t *); 227 extern void copy_usage_info(sym_t *, sym_t *); 228 extern bool check_redeclaration(sym_t *, bool *); 229 extern bool eqptrtype(const type_t *, const type_t *, bool); 230 extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 231 extern void complete_type(sym_t *, sym_t *); 232 extern sym_t *declare_argument(sym_t *, bool); 233 extern void check_func_lint_directives(void); 234 extern void check_func_old_style_arguments(void); 235 236 extern void declare_local(sym_t *, bool); 237 extern sym_t *abstract_name(void); 238 extern void global_clean_up(void); 239 extern sym_t *declare_1_abstract(sym_t *); 240 extern void check_size(sym_t *); 241 extern void mark_as_set(sym_t *); 242 extern void mark_as_used(sym_t *, bool, bool); 243 extern void check_usage(dinfo_t *); 244 extern void check_usage_sym(bool, sym_t *); 245 extern void check_global_symbols(void); 246 extern void print_previous_declaration(int, const sym_t *); 247 extern int to_int_constant(tnode_t *, bool); 248 249 /* 250 * tree.c 251 */ 252 extern const tnode_t *before_conversion(const tnode_t *); 253 extern type_t *block_derive_type(type_t *, tspec_t); 254 extern type_t *expr_derive_type(type_t *, tspec_t); 255 extern bool is_compiler_builtin(const char *); 256 extern tnode_t *build_constant(type_t *, val_t *); 257 extern tnode_t *build_name(sym_t *, bool); 258 extern tnode_t *build_string(strg_t *); 259 extern tnode_t *build_generic_selection(const tnode_t *, 260 struct generic_association *); 261 262 extern tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 263 extern tnode_t *build_unary(op_t, bool, tnode_t *); 264 extern tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 265 extern tnode_t *cconv(tnode_t *); 266 extern bool is_typeok_bool_operand(const tnode_t *); 267 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 268 extern tnode_t *promote(op_t, bool, tnode_t *); 269 extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 270 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 271 extern tnode_t *build_sizeof(const type_t *); 272 extern tnode_t *build_offsetof(const type_t *, const sym_t *); 273 extern tnode_t *build_alignof(const type_t *); 274 extern tnode_t *cast(tnode_t *, type_t *); 275 extern tnode_t *build_function_argument(tnode_t *, tnode_t *); 276 extern tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 277 extern val_t *constant(tnode_t *, bool); 278 extern void expr(tnode_t *, bool, bool, bool, bool); 279 extern void check_expr_misc(const tnode_t *, bool, bool, bool, 280 bool, bool, bool); 281 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 282 extern strg_t *cat_strings(strg_t *, strg_t *); 283 extern unsigned int type_size_in_bits(const type_t *); 284 285 void begin_statement_expr(void); 286 void do_statement_expr(tnode_t *); 287 tnode_t *end_statement_expr(void); 288 289 /* 290 * func.c 291 */ 292 extern sym_t *funcsym; 293 extern bool reached; 294 extern bool warn_about_unreachable; 295 extern bool seen_fallthrough; 296 extern int nargusg; 297 extern pos_t argsused_pos; 298 extern int nvararg; 299 extern pos_t vapos; 300 extern int printflike_argnum; 301 extern pos_t printflike_pos; 302 extern int scanflike_argnum; 303 extern pos_t scanflike_pos; 304 extern bool constcond_flag; 305 extern bool llibflg; 306 extern int lwarn; 307 extern bool bitfieldtype_ok; 308 extern bool plibflg; 309 extern bool quadflg; 310 311 extern void begin_control_statement(control_statement_kind); 312 extern void end_control_statement(control_statement_kind); 313 extern void check_statement_reachable(void); 314 extern void funcdef(sym_t *); 315 extern void funcend(void); 316 extern void named_label(sym_t *); 317 extern void case_label(tnode_t *); 318 extern void default_label(void); 319 extern void if1(tnode_t *); 320 extern void if2(void); 321 extern void if3(bool); 322 extern void switch1(tnode_t *); 323 extern void switch2(void); 324 extern void while1(tnode_t *); 325 extern void while2(void); 326 extern void do1(void); 327 extern void do2(tnode_t *); 328 extern void for1(tnode_t *, tnode_t *, tnode_t *); 329 extern void for2(void); 330 extern void do_goto(sym_t *); 331 extern void do_continue(void); 332 extern void do_break(void); 333 extern void do_return(bool, tnode_t *); 334 extern void global_clean_up_decl(bool); 335 extern void argsused(int); 336 extern void constcond(int); 337 extern void fallthru(int); 338 extern void not_reached(int); 339 extern void lintlib(int); 340 extern void linted(int); 341 extern void varargs(int); 342 extern void printflike(int); 343 extern void scanflike(int); 344 extern void protolib(int); 345 extern void longlong(int); 346 extern void bitfieldtype(int); 347 348 /* 349 * init.c 350 */ 351 extern void begin_initialization(sym_t *); 352 extern void end_initialization(void); 353 extern sym_t **current_initsym(void); 354 355 extern void init_rbrace(void); 356 extern void init_lbrace(void); 357 extern void init_expr(tnode_t *); 358 extern void begin_designation(void); 359 extern void add_designator_member(sbuf_t *); 360 extern void add_designator_subscript(range_t); 361 362 /* 363 * emit.c 364 */ 365 extern void outtype(const type_t *); 366 extern void outsym(const sym_t *, scl_t, def_t); 367 extern void outfdef(const sym_t *, const pos_t *, bool, bool, 368 const sym_t *); 369 extern void outcall(const tnode_t *, bool, bool); 370 extern void outusg(const sym_t *); 371 372 /* 373 * lex.c 374 */ 375 extern int lex_name(const char *, size_t); 376 extern int lex_integer_constant(const char *, size_t, int); 377 extern int lex_floating_constant(const char *, size_t); 378 extern int lex_operator(int, op_t); 379 extern int lex_string(void); 380 extern int lex_wide_string(void); 381 extern int lex_character_constant(void); 382 extern int lex_wide_character_constant(void); 383 extern void lex_directive(const char *); 384 extern void lex_next_line(void); 385 extern void lex_comment(void); 386 extern void lex_slash_slash_comment(void); 387 extern void lex_unknown_character(int); 388 extern int lex_input(void); 389 390 /* 391 * ckbool.c 392 */ 393 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 394 const tnode_t *, const tnode_t *); 395 extern bool fallback_symbol_strict_bool(sym_t *); 396 397 /* 398 * ckctype.c 399 */ 400 extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 401 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 402 403 /* 404 * ckgetopt.c 405 */ 406 extern void check_getopt_begin_while(const tnode_t *); 407 extern void check_getopt_begin_switch(void); 408 extern void check_getopt_case_label(int64_t); 409 extern void check_getopt_end_switch(void); 410 extern void check_getopt_end_while(void); 411
Indexes created Sat Oct 18 17:09:52 GMT 2025