externs1.h revision 1.151
1 /* $NetBSD: externs1.h,v 1.151 2022/04/02 12:24:55 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 eflag; 42 extern bool Fflag; 43 extern bool gflag; 44 extern bool hflag; 45 extern bool pflag; 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 Tflag; 56 extern bool Pflag; 57 58 extern void norecover(void); 59 60 /* 61 * cgram.y 62 */ 63 extern int block_level; 64 extern size_t mem_block_level; 65 extern int yydebug; 66 67 extern int yyerror(const char *); 68 extern int yyparse(void); 69 70 /* 71 * scan.l 72 */ 73 extern bool in_gcc_attribute; 74 extern pos_t curr_pos; 75 extern pos_t csrc_pos; 76 extern bool in_system_header; 77 extern symt_t symtyp; 78 extern FILE *yyin; 79 80 extern void initscan(void); 81 extern int64_t convert_integer(int64_t, tspec_t, unsigned int); 82 extern void clear_warn_flags(void); 83 extern sym_t *getsym(sbuf_t *); 84 extern void clean_up_after_error(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 *block_zero_alloc(size_t); 104 extern void *level_zero_alloc(size_t, size_t); 105 extern void level_free_all(size_t); 106 107 extern void *expr_zero_alloc(size_t); 108 extern tnode_t *expr_alloc_tnode(void); 109 extern void expr_free_all(void); 110 extern struct memory_block *expr_save_memory(void); 111 extern void expr_restore_memory(struct memory_block *); 112 113 /* 114 * debug.c 115 */ 116 117 #ifdef DEBUG 118 const char *scl_name(scl_t); 119 const char *symt_name(symt_t); 120 const char *tqual_name(tqual_t); 121 void debug_dinfo(const dinfo_t *); 122 void debug_node(const tnode_t *); 123 void debug_sym(const char *, const sym_t *, const char *); 124 void debug_symtab(void); 125 void debug_printf(const char *fmt, ...) __printflike(1, 2); 126 void debug_print_indent(void); 127 void debug_indent_inc(void); 128 void debug_indent_dec(void); 129 void debug_enter(const char *); 130 void debug_step(const char *fmt, ...) __printflike(1, 2); 131 void debug_leave(const char *); 132 #define debug_enter() (debug_enter)(__func__) 133 #define debug_leave() (debug_leave)(__func__) 134 #else 135 #define debug_noop() do { } while (false) 136 #define debug_dinfo(d) debug_noop() 137 #define debug_sym(p, sym, s) debug_noop() 138 #define debug_symtab() debug_noop() 139 #define debug_node(tn) debug_noop() 140 #define debug_printf(...) debug_noop() 141 #define debug_print_indent() debug_noop() 142 #define debug_indent_inc() debug_noop() 143 #define debug_indent_dec() debug_noop() 144 #define debug_enter() debug_noop() 145 #define debug_step(...) debug_noop() 146 #define debug_leave() debug_noop() 147 #endif 148 149 /* 150 * err.c 151 */ 152 extern int nerr; 153 extern int sytxerr; 154 extern const char *const msgs[]; 155 156 extern void msglist(void); 157 extern void error_at(int, const pos_t *, ...); 158 extern void warning_at(int, const pos_t *, ...); 159 extern void message_at(int, const pos_t *, ...); 160 extern void error(int, ...); 161 extern void warning(int, ...); 162 extern void gnuism(int, ...); 163 extern void c99ism(int, ...); 164 extern void c11ism(int, ...); 165 extern void internal_error(const char *, int, const char *, ...) 166 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 167 extern void assert_failed(const char *, int, const char *, const char *) 168 __attribute__((__noreturn__)); 169 extern void update_location(const char *, int, bool, bool); 170 171 /* 172 * decl.c 173 */ 174 extern dinfo_t *dcs; 175 extern const char *unnamed; 176 extern int enumval; 177 178 extern void initdecl(void); 179 extern type_t *gettyp(tspec_t); 180 extern type_t *block_dup_type(const type_t *); 181 extern type_t *expr_dup_type(const type_t *); 182 extern type_t *expr_unqualified_type(const type_t *); 183 extern bool is_incomplete(const type_t *); 184 extern void setcomplete(type_t *, bool); 185 extern void add_storage_class(scl_t); 186 extern void add_type(type_t *); 187 extern void add_qualifier(tqual_t); 188 extern void addpacked(void); 189 extern void add_attr_used(void); 190 extern void begin_declaration_level(scl_t); 191 extern void end_declaration_level(void); 192 extern void setasm(void); 193 extern void begin_type(void); 194 extern void end_type(void); 195 extern int length(const type_t *, const char *); 196 extern unsigned int alignment_in_bits(const type_t *); 197 extern sym_t *lnklst(sym_t *, sym_t *); 198 extern void check_type(sym_t *); 199 extern sym_t *declarator_1_struct_union(sym_t *); 200 extern sym_t *bitfield(sym_t *, int); 201 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 202 extern sym_t *add_pointer(sym_t *, qual_ptr *); 203 extern sym_t *add_array(sym_t *, bool, int); 204 extern sym_t *add_function(sym_t *, sym_t *); 205 extern void check_function_definition(sym_t *, bool); 206 extern sym_t *declarator_name(sym_t *); 207 extern sym_t *old_style_function_name(sym_t *); 208 extern type_t *mktag(sym_t *, tspec_t, bool, bool); 209 extern const char *storage_class_name(scl_t); 210 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 211 extern type_t *complete_tag_enum(type_t *, sym_t *); 212 extern sym_t *enumeration_constant(sym_t *, int, bool); 213 extern void declare(sym_t *, bool, sbuf_t *); 214 extern void copy_usage_info(sym_t *, sym_t *); 215 extern bool check_redeclaration(sym_t *, bool *); 216 extern bool eqptrtype(const type_t *, const type_t *, bool); 217 extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 218 extern void complete_type(sym_t *, sym_t *); 219 extern sym_t *declare_argument(sym_t *, bool); 220 extern void check_func_lint_directives(void); 221 extern void check_func_old_style_arguments(void); 222 223 extern void declare_local(sym_t *, bool); 224 extern sym_t *abstract_name(void); 225 extern void global_clean_up(void); 226 extern sym_t *declare_1_abstract(sym_t *); 227 extern void check_size(sym_t *); 228 extern void mark_as_set(sym_t *); 229 extern void mark_as_used(sym_t *, bool, bool); 230 extern void check_usage(dinfo_t *); 231 extern void check_usage_sym(bool, sym_t *); 232 extern void check_global_symbols(void); 233 extern void print_previous_declaration(int, const sym_t *); 234 extern int to_int_constant(tnode_t *, bool); 235 236 /* 237 * tree.c 238 */ 239 extern const tnode_t *before_conversion(const tnode_t *); 240 extern type_t *block_derive_type(type_t *, tspec_t); 241 extern type_t *expr_derive_type(type_t *, tspec_t); 242 extern bool is_compiler_builtin(const char *); 243 extern tnode_t *build_constant(type_t *, val_t *); 244 extern tnode_t *build_name(sym_t *, bool); 245 extern tnode_t *build_string(strg_t *); 246 extern tnode_t *build_generic_selection(const tnode_t *, 247 struct generic_association *); 248 249 extern tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 250 extern tnode_t *build_unary(op_t, bool, tnode_t *); 251 extern tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 252 extern tnode_t *cconv(tnode_t *); 253 extern bool is_typeok_bool_operand(const tnode_t *); 254 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 255 extern tnode_t *promote(op_t, bool, tnode_t *); 256 extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 257 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 258 extern tnode_t *build_sizeof(const type_t *); 259 extern tnode_t *build_offsetof(const type_t *, const sym_t *); 260 extern tnode_t *build_alignof(const type_t *); 261 extern tnode_t *cast(tnode_t *, type_t *); 262 extern tnode_t *build_function_argument(tnode_t *, tnode_t *); 263 extern tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 264 extern val_t *constant(tnode_t *, bool); 265 extern void expr(tnode_t *, bool, bool, bool, bool); 266 extern void check_expr_misc(const tnode_t *, bool, bool, bool, 267 bool, bool, bool); 268 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 269 extern strg_t *cat_strings(strg_t *, strg_t *); 270 extern unsigned int type_size_in_bits(const type_t *); 271 272 void begin_statement_expr(void); 273 void do_statement_expr(tnode_t *); 274 tnode_t *end_statement_expr(void); 275 276 /* 277 * func.c 278 */ 279 extern sym_t *funcsym; 280 extern bool reached; 281 extern bool warn_about_unreachable; 282 extern bool seen_fallthrough; 283 extern int nargusg; 284 extern pos_t argsused_pos; 285 extern int nvararg; 286 extern pos_t vapos; 287 extern int printflike_argnum; 288 extern pos_t printflike_pos; 289 extern int scanflike_argnum; 290 extern pos_t scanflike_pos; 291 extern bool constcond_flag; 292 extern bool llibflg; 293 extern int lwarn; 294 extern bool bitfieldtype_ok; 295 extern bool plibflg; 296 extern bool quadflg; 297 298 extern void begin_control_statement(control_statement_kind); 299 extern void end_control_statement(control_statement_kind); 300 extern void check_statement_reachable(void); 301 extern void funcdef(sym_t *); 302 extern void funcend(void); 303 extern void named_label(sym_t *); 304 extern void case_label(tnode_t *); 305 extern void default_label(void); 306 extern void if1(tnode_t *); 307 extern void if2(void); 308 extern void if3(bool); 309 extern void switch1(tnode_t *); 310 extern void switch2(void); 311 extern void while1(tnode_t *); 312 extern void while2(void); 313 extern void do1(void); 314 extern void do2(tnode_t *); 315 extern void for1(tnode_t *, tnode_t *, tnode_t *); 316 extern void for2(void); 317 extern void do_goto(sym_t *); 318 extern void do_continue(void); 319 extern void do_break(void); 320 extern void do_return(bool, tnode_t *); 321 extern void global_clean_up_decl(bool); 322 extern void argsused(int); 323 extern void constcond(int); 324 extern void fallthru(int); 325 extern void not_reached(int); 326 extern void lintlib(int); 327 extern void linted(int); 328 extern void varargs(int); 329 extern void printflike(int); 330 extern void scanflike(int); 331 extern void protolib(int); 332 extern void longlong(int); 333 extern void bitfieldtype(int); 334 335 /* 336 * init.c 337 */ 338 extern void begin_initialization(sym_t *); 339 extern void end_initialization(void); 340 extern sym_t **current_initsym(void); 341 342 extern void init_rbrace(void); 343 extern void init_lbrace(void); 344 extern void init_expr(tnode_t *); 345 extern void begin_designation(void); 346 extern void add_designator_member(sbuf_t *); 347 extern void add_designator_subscript(range_t); 348 349 /* 350 * emit.c 351 */ 352 extern void outtype(const type_t *); 353 extern void outsym(const sym_t *, scl_t, def_t); 354 extern void outfdef(const sym_t *, const pos_t *, bool, bool, 355 const sym_t *); 356 extern void outcall(const tnode_t *, bool, bool); 357 extern void outusg(const sym_t *); 358 359 /* 360 * lex.c 361 */ 362 extern int lex_name(const char *, size_t); 363 extern int lex_integer_constant(const char *, size_t, int); 364 extern int lex_floating_constant(const char *, size_t); 365 extern int lex_operator(int, op_t); 366 extern int lex_string(void); 367 extern int lex_wide_string(void); 368 extern int lex_character_constant(void); 369 extern int lex_wide_character_constant(void); 370 extern void lex_directive(const char *); 371 extern void lex_next_line(void); 372 extern void lex_comment(void); 373 extern void lex_slash_slash_comment(void); 374 extern void lex_unknown_character(int); 375 extern int lex_input(void); 376 377 /* 378 * ckbool.c 379 */ 380 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 381 const tnode_t *, const tnode_t *); 382 extern bool fallback_symbol_strict_bool(sym_t *); 383 384 /* 385 * ckctype.c 386 */ 387 extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 388 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 389 390 /* 391 * ckgetopt.c 392 */ 393 extern void check_getopt_begin_while(const tnode_t *); 394 extern void check_getopt_begin_switch(void); 395 extern void check_getopt_case_label(int64_t); 396 extern void check_getopt_end_switch(void); 397 extern void check_getopt_end_while(void); 398
Indexes created Tue Sep 30 07:10:03 GMT 2025