externs1.h revision 1.177
1 /* $NetBSD: externs1.h,v 1.177 2023/04/23 09:04:44 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 #include <signal.h> 35 36 /* 37 * main1.c 38 */ 39 extern int aflag; 40 extern bool bflag; 41 extern bool cflag; 42 extern bool eflag; 43 extern bool Fflag; 44 extern bool hflag; 45 extern bool pflag; 46 extern bool rflag; 47 extern bool uflag; 48 extern bool vflag; 49 extern bool yflag; 50 extern bool wflag; 51 extern bool zflag; 52 extern bool Tflag; 53 extern bool Pflag; 54 55 extern bool allow_trad; 56 extern bool allow_c90; 57 extern bool allow_c99; 58 extern bool allow_c11; 59 extern bool allow_gcc; 60 61 extern sig_atomic_t fpe; 62 63 extern void norecover(void); 64 65 /* 66 * cgram.y 67 */ 68 extern int block_level; 69 extern size_t mem_block_level; 70 extern int yydebug; 71 72 extern int yyerror(const char *); 73 extern int yyparse(void); 74 75 /* 76 * scan.l 77 */ 78 extern bool in_gcc_attribute; 79 extern pos_t curr_pos; 80 extern pos_t csrc_pos; 81 extern bool in_system_header; 82 extern symt_t symtyp; 83 extern FILE *yyin; 84 85 extern void initscan(void); 86 extern int64_t convert_integer(int64_t, tspec_t, unsigned int); 87 extern void clear_warn_flags(void); 88 extern sym_t *getsym(sbuf_t *); 89 extern void clean_up_after_error(void); 90 extern sym_t *pushdown(const sym_t *); 91 extern sym_t *mktempsym(type_t *); 92 extern void rmsym(sym_t *); 93 extern void rmsyms(sym_t *); 94 extern void inssym(int, sym_t *); 95 extern void freeyyv(void *, int); 96 extern int yylex(void); 97 98 /* 99 * mem1.c 100 */ 101 extern const char *record_filename(const char *, size_t); 102 extern int get_filename_id(const char *); 103 extern void add_directory_replacement(char *); 104 extern const char *transform_filename(const char *, size_t); 105 106 extern void *block_zero_alloc(size_t); 107 extern void *level_zero_alloc(size_t, size_t); 108 extern void level_free_all(size_t); 109 110 extern void *expr_zero_alloc(size_t); 111 extern tnode_t *expr_alloc_tnode(void); 112 extern void expr_free_all(void); 113 extern memory_pool expr_save_memory(void); 114 extern void expr_restore_memory(memory_pool); 115 116 /* 117 * debug.c 118 */ 119 120 #ifdef DEBUG 121 const char *declaration_kind_name(declaration_kind); 122 const char *scl_name(scl_t); 123 const char *symt_name(symt_t); 124 const char *tqual_name(tqual_t); 125 void debug_dinfo(const dinfo_t *); 126 void debug_node(const tnode_t *); 127 void debug_type(const type_t *); 128 void debug_sym(const char *, const sym_t *, const char *); 129 void debug_symtab(void); 130 void debug_printf(const char *fmt, ...) __printflike(1, 2); 131 void debug_print_indent(void); 132 void debug_indent_inc(void); 133 void debug_indent_dec(void); 134 void debug_enter_func(const char *); 135 void debug_step(const char *fmt, ...) __printflike(1, 2); 136 void debug_leave_func(const char *); 137 #define debug_enter() debug_enter_func(__func__) 138 #define debug_leave() debug_leave_func(__func__) 139 #else 140 #define debug_noop() do { } while (false) 141 #define debug_dinfo(d) debug_noop() 142 #define debug_sym(p, sym, s) debug_noop() 143 #define debug_symtab() debug_noop() 144 #define debug_node(tn) debug_noop() 145 #define debug_type(tp) debug_noop() 146 #define debug_printf(...) debug_noop() 147 #define debug_print_indent() debug_noop() 148 #define debug_indent_inc() debug_noop() 149 #define debug_indent_dec() debug_noop() 150 #define debug_enter() debug_noop() 151 #define debug_step(...) debug_noop() 152 #define debug_leave() debug_noop() 153 #endif 154 155 /* 156 * err.c 157 */ 158 extern int nerr; 159 extern int sytxerr; 160 extern bool any_query_enabled; 161 162 extern void msglist(void); 163 extern void error_at(int, const pos_t *, ...); 164 extern void warning_at(int, const pos_t *, ...); 165 extern void message_at(int, const pos_t *, ...); 166 extern void error(int, ...); 167 extern void warning(int, ...); 168 extern bool gnuism(int, ...); 169 extern void c99ism(int, ...); 170 extern void c11ism(int, ...); 171 extern void assert_failed(const char *, int, const char *, const char *) 172 __attribute__((__noreturn__)); 173 extern void update_location(const char *, int, bool, bool); 174 extern void suppress_messages(const char *); 175 176 extern void query_message(int, ...); 177 extern void enable_queries(const char *); 178 179 /* 180 * decl.c 181 */ 182 extern dinfo_t *dcs; 183 extern const char unnamed[]; 184 extern int enumval; 185 186 extern void initdecl(void); 187 extern type_t *gettyp(tspec_t); 188 extern type_t *block_dup_type(const type_t *); 189 extern type_t *expr_dup_type(const type_t *); 190 extern type_t *expr_unqualified_type(const type_t *); 191 extern bool is_incomplete(const type_t *); 192 extern void dcs_add_storage_class(scl_t); 193 extern void dcs_add_type(type_t *); 194 extern void dcs_add_qualifier(tqual_t); 195 extern void dcs_add_packed(void); 196 extern void dcs_set_used(void); 197 extern void begin_declaration_level(declaration_kind); 198 extern void end_declaration_level(void); 199 extern void dcs_set_asm(void); 200 extern void dcs_begin_type(void); 201 extern void dcs_end_type(void); 202 extern int length_in_bits(const type_t *, const char *); 203 extern unsigned int alignment_in_bits(const type_t *); 204 extern sym_t *concat_lists(sym_t *, sym_t *); 205 extern void check_type(sym_t *); 206 extern sym_t *declarator_1_struct_union(sym_t *); 207 extern sym_t *set_bit_field_width(sym_t *, int); 208 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 209 extern sym_t *add_pointer(sym_t *, qual_ptr *); 210 extern sym_t *add_array(sym_t *, bool, int); 211 extern sym_t *add_function(sym_t *, sym_t *); 212 extern void check_function_definition(sym_t *, bool); 213 extern sym_t *declarator_name(sym_t *); 214 extern sym_t *old_style_function_name(sym_t *); 215 extern type_t *make_tag_type(sym_t *, tspec_t, bool, bool); 216 extern const char *storage_class_name(scl_t); 217 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 218 extern type_t *complete_tag_enum(type_t *, sym_t *); 219 extern sym_t *enumeration_constant(sym_t *, int, bool); 220 extern void declare(sym_t *, bool, sbuf_t *); 221 extern void copy_usage_info(sym_t *, sym_t *); 222 extern bool check_redeclaration(sym_t *, bool *); 223 extern bool pointer_types_are_compatible(const type_t *, const type_t *, 224 bool); 225 extern bool types_compatible(const type_t *, const type_t *, 226 bool, bool, bool *); 227 extern void complete_type(sym_t *, sym_t *); 228 extern sym_t *declare_argument(sym_t *, bool); 229 extern void check_func_lint_directives(void); 230 extern void check_func_old_style_arguments(void); 231 232 extern void declare_local(sym_t *, bool); 233 extern sym_t *abstract_name(void); 234 extern void global_clean_up(void); 235 extern sym_t *declare_1_abstract(sym_t *); 236 extern void check_size(sym_t *); 237 extern void mark_as_set(sym_t *); 238 extern void mark_as_used(sym_t *, bool, bool); 239 extern void check_usage(dinfo_t *); 240 extern void check_usage_sym(bool, sym_t *); 241 extern void check_global_symbols(void); 242 extern void print_previous_declaration(const sym_t *); 243 extern int to_int_constant(tnode_t *, bool); 244 245 /* 246 * tree.c 247 */ 248 extern const tnode_t *before_conversion(const tnode_t *); 249 extern type_t *block_derive_type(type_t *, tspec_t); 250 extern type_t *expr_derive_type(type_t *, tspec_t); 251 extern bool is_compiler_builtin(const char *); 252 extern tnode_t *build_constant(type_t *, val_t *); 253 extern tnode_t *build_name(sym_t *, bool); 254 extern tnode_t *build_string(strg_t *); 255 extern tnode_t *build_generic_selection(const tnode_t *, 256 struct generic_association *); 257 258 extern tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 259 extern tnode_t *build_unary(op_t, bool, tnode_t *); 260 extern tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 261 extern tnode_t *cconv(tnode_t *); 262 extern bool is_typeok_bool_compares_with_zero(const tnode_t *); 263 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 264 extern tnode_t *promote(op_t, bool, tnode_t *); 265 extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 266 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 267 extern tnode_t *build_sizeof(const type_t *); 268 extern tnode_t *build_offsetof(const type_t *, const sym_t *); 269 extern tnode_t *build_alignof(const type_t *); 270 extern tnode_t *cast(tnode_t *, type_t *); 271 extern tnode_t *build_function_argument(tnode_t *, tnode_t *); 272 extern tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 273 extern val_t *constant(tnode_t *, bool); 274 extern void expr(tnode_t *, bool, bool, bool, bool); 275 extern void check_expr_misc(const tnode_t *, bool, bool, bool, 276 bool, bool, bool); 277 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 278 extern strg_t *cat_strings(strg_t *, strg_t *); 279 extern unsigned int type_size_in_bits(const type_t *); 280 281 void begin_statement_expr(void); 282 void do_statement_expr(tnode_t *); 283 tnode_t *end_statement_expr(void); 284 285 /* 286 * func.c 287 */ 288 extern sym_t *funcsym; 289 extern bool reached; 290 extern bool warn_about_unreachable; 291 extern bool seen_fallthrough; 292 extern int nargusg; 293 extern pos_t argsused_pos; 294 extern int nvararg; 295 extern pos_t vapos; 296 extern int printflike_argnum; 297 extern pos_t printflike_pos; 298 extern int scanflike_argnum; 299 extern pos_t scanflike_pos; 300 extern bool constcond_flag; 301 extern bool llibflg; 302 extern int lwarn; 303 extern bool bitfieldtype_ok; 304 extern bool plibflg; 305 extern bool quadflg; 306 307 extern void begin_control_statement(control_statement_kind); 308 extern void end_control_statement(control_statement_kind); 309 extern void check_statement_reachable(void); 310 extern void begin_function(sym_t *); 311 extern void end_function(void); 312 extern void named_label(sym_t *); 313 extern void case_label(tnode_t *); 314 extern void default_label(void); 315 extern void if1(tnode_t *); 316 extern void if2(void); 317 extern void if3(bool); 318 extern void switch1(tnode_t *); 319 extern void switch2(void); 320 extern void while1(tnode_t *); 321 extern void while2(void); 322 extern void do1(void); 323 extern void do2(tnode_t *); 324 extern void for1(tnode_t *, tnode_t *, tnode_t *); 325 extern void for2(void); 326 extern void do_goto(sym_t *); 327 extern void do_continue(void); 328 extern void do_break(void); 329 extern void do_return(bool, tnode_t *); 330 extern void global_clean_up_decl(bool); 331 extern void argsused(int); 332 extern void constcond(int); 333 extern void fallthru(int); 334 extern void not_reached(int); 335 extern void lintlib(int); 336 extern void linted(int); 337 extern void varargs(int); 338 extern void printflike(int); 339 extern void scanflike(int); 340 extern void protolib(int); 341 extern void longlong(int); 342 extern void bitfieldtype(int); 343 344 /* 345 * init.c 346 */ 347 extern void begin_initialization(sym_t *); 348 extern void end_initialization(void); 349 extern sym_t *current_initsym(void); 350 351 extern void init_rbrace(void); 352 extern void init_lbrace(void); 353 extern void init_expr(tnode_t *); 354 extern void begin_designation(void); 355 extern void add_designator_member(sbuf_t *); 356 extern void add_designator_subscript(range_t); 357 358 /* 359 * emit.c 360 */ 361 extern void outtype(const type_t *); 362 extern void outsym(const sym_t *, scl_t, def_t); 363 extern void outfdef(const sym_t *, const pos_t *, bool, bool, 364 const sym_t *); 365 extern void outcall(const tnode_t *, bool, bool); 366 extern void outusg(const sym_t *); 367 368 /* 369 * lex.c 370 */ 371 extern int lex_name(const char *, size_t); 372 extern int lex_integer_constant(const char *, size_t, int); 373 extern int lex_floating_constant(const char *, size_t); 374 extern int lex_operator(int, op_t); 375 extern int lex_string(void); 376 extern int lex_wide_string(void); 377 extern int lex_character_constant(void); 378 extern int lex_wide_character_constant(void); 379 extern void lex_directive(const char *); 380 extern void lex_next_line(void); 381 extern void lex_comment(void); 382 extern void lex_slash_slash_comment(void); 383 extern void lex_unknown_character(int); 384 extern int lex_input(void); 385 386 /* 387 * ckbool.c 388 */ 389 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 390 const tnode_t *, const tnode_t *); 391 extern bool fallback_symbol_strict_bool(sym_t *); 392 393 /* 394 * ckctype.c 395 */ 396 extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 397 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 398 399 /* 400 * ckgetopt.c 401 */ 402 extern void check_getopt_begin_while(const tnode_t *); 403 extern void check_getopt_begin_switch(void); 404 extern void check_getopt_case_label(int64_t); 405 extern void check_getopt_end_switch(void); 406 extern void check_getopt_end_while(void); 407
Indexes created Tue Oct 14 15:09:51 GMT 2025