externs1.h revision 1.174
1 /* $NetBSD: externs1.h,v 1.174 2023/02/18 15:21:34 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 extern void norecover(void); 60 61 /* 62 * cgram.y 63 */ 64 extern int block_level; 65 extern size_t mem_block_level; 66 extern int yydebug; 67 68 extern int yyerror(const char *); 69 extern int yyparse(void); 70 71 /* 72 * scan.l 73 */ 74 extern bool in_gcc_attribute; 75 extern pos_t curr_pos; 76 extern pos_t csrc_pos; 77 extern bool in_system_header; 78 extern symt_t symtyp; 79 extern FILE *yyin; 80 81 extern void initscan(void); 82 extern int64_t convert_integer(int64_t, tspec_t, unsigned int); 83 extern void clear_warn_flags(void); 84 extern sym_t *getsym(sbuf_t *); 85 extern void clean_up_after_error(void); 86 extern sym_t *pushdown(const sym_t *); 87 extern sym_t *mktempsym(type_t *); 88 extern void rmsym(sym_t *); 89 extern void rmsyms(sym_t *); 90 extern void inssym(int, sym_t *); 91 extern void freeyyv(void *, int); 92 extern int yylex(void); 93 94 /* 95 * mem1.c 96 */ 97 extern const char *record_filename(const char *, size_t); 98 extern int get_filename_id(const char *); 99 extern void add_directory_replacement(char *); 100 extern const char *transform_filename(const char *, size_t); 101 102 extern void *block_zero_alloc(size_t); 103 extern void *level_zero_alloc(size_t, size_t); 104 extern void level_free_all(size_t); 105 106 extern void *expr_zero_alloc(size_t); 107 extern tnode_t *expr_alloc_tnode(void); 108 extern void expr_free_all(void); 109 extern memory_pool expr_save_memory(void); 110 extern void expr_restore_memory(memory_pool); 111 112 /* 113 * debug.c 114 */ 115 116 #ifdef DEBUG 117 const char *declaration_kind_name(declaration_kind); 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_type(const type_t *); 124 void debug_sym(const char *, const sym_t *, const char *); 125 void debug_symtab(void); 126 void debug_printf(const char *fmt, ...) __printflike(1, 2); 127 void debug_print_indent(void); 128 void debug_indent_inc(void); 129 void debug_indent_dec(void); 130 void debug_enter(const char *); 131 void debug_step(const char *fmt, ...) __printflike(1, 2); 132 void debug_leave(const char *); 133 #define debug_enter() (debug_enter)(__func__) 134 #define debug_leave() (debug_leave)(__func__) 135 #else 136 #define debug_noop() do { } while (false) 137 #define debug_dinfo(d) debug_noop() 138 #define debug_sym(p, sym, s) debug_noop() 139 #define debug_symtab() debug_noop() 140 #define debug_node(tn) debug_noop() 141 #define debug_type(tp) debug_noop() 142 #define debug_printf(...) debug_noop() 143 #define debug_print_indent() debug_noop() 144 #define debug_indent_inc() debug_noop() 145 #define debug_indent_dec() debug_noop() 146 #define debug_enter() debug_noop() 147 #define debug_step(...) debug_noop() 148 #define debug_leave() debug_noop() 149 #endif 150 151 /* 152 * err.c 153 */ 154 extern int nerr; 155 extern int sytxerr; 156 extern bool any_query_enabled; 157 158 extern void msglist(void); 159 extern void error_at(int, const pos_t *, ...); 160 extern void warning_at(int, const pos_t *, ...); 161 extern void message_at(int, const pos_t *, ...); 162 extern void error(int, ...); 163 extern void warning(int, ...); 164 extern bool gnuism(int, ...); 165 extern void c99ism(int, ...); 166 extern void c11ism(int, ...); 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 extern void suppress_messages(char *); 171 172 extern void query_message(int, ...); 173 extern void enable_queries(const char *); 174 175 /* 176 * decl.c 177 */ 178 extern dinfo_t *dcs; 179 extern const char unnamed[]; 180 extern int enumval; 181 182 extern void initdecl(void); 183 extern type_t *gettyp(tspec_t); 184 extern type_t *block_dup_type(const type_t *); 185 extern type_t *expr_dup_type(const type_t *); 186 extern type_t *expr_unqualified_type(const type_t *); 187 extern bool is_incomplete(const type_t *); 188 extern void dcs_add_storage_class(scl_t); 189 extern void dcs_add_type(type_t *); 190 extern void dcs_add_qualifier(tqual_t); 191 extern void dcs_add_packed(void); 192 extern void dcs_set_used(void); 193 extern void begin_declaration_level(declaration_kind); 194 extern void end_declaration_level(void); 195 extern void dcs_set_asm(void); 196 extern void dcs_begin_type(void); 197 extern void dcs_end_type(void); 198 extern int length_in_bits(const type_t *, const char *); 199 extern unsigned int alignment_in_bits(const type_t *); 200 extern sym_t *concat_lists(sym_t *, sym_t *); 201 extern void check_type(sym_t *); 202 extern sym_t *declarator_1_struct_union(sym_t *); 203 extern sym_t *set_bit_field_width(sym_t *, int); 204 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 205 extern sym_t *add_pointer(sym_t *, qual_ptr *); 206 extern sym_t *add_array(sym_t *, bool, int); 207 extern sym_t *add_function(sym_t *, sym_t *); 208 extern void check_function_definition(sym_t *, bool); 209 extern sym_t *declarator_name(sym_t *); 210 extern sym_t *old_style_function_name(sym_t *); 211 extern type_t *make_tag_type(sym_t *, tspec_t, bool, bool); 212 extern const char *storage_class_name(scl_t); 213 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 214 extern type_t *complete_tag_enum(type_t *, sym_t *); 215 extern sym_t *enumeration_constant(sym_t *, int, bool); 216 extern void declare(sym_t *, bool, sbuf_t *); 217 extern void copy_usage_info(sym_t *, sym_t *); 218 extern bool check_redeclaration(sym_t *, bool *); 219 extern bool pointer_types_are_compatible(const type_t *, const type_t *, 220 bool); 221 extern bool types_compatible(const type_t *, const type_t *, 222 bool, bool, bool *); 223 extern void complete_type(sym_t *, sym_t *); 224 extern sym_t *declare_argument(sym_t *, bool); 225 extern void check_func_lint_directives(void); 226 extern void check_func_old_style_arguments(void); 227 228 extern void declare_local(sym_t *, bool); 229 extern sym_t *abstract_name(void); 230 extern void global_clean_up(void); 231 extern sym_t *declare_1_abstract(sym_t *); 232 extern void check_size(sym_t *); 233 extern void mark_as_set(sym_t *); 234 extern void mark_as_used(sym_t *, bool, bool); 235 extern void check_usage(dinfo_t *); 236 extern void check_usage_sym(bool, sym_t *); 237 extern void check_global_symbols(void); 238 extern void print_previous_declaration(const sym_t *); 239 extern int to_int_constant(tnode_t *, bool); 240 241 /* 242 * tree.c 243 */ 244 extern const tnode_t *before_conversion(const tnode_t *); 245 extern type_t *block_derive_type(type_t *, tspec_t); 246 extern type_t *expr_derive_type(type_t *, tspec_t); 247 extern bool is_compiler_builtin(const char *); 248 extern tnode_t *build_constant(type_t *, val_t *); 249 extern tnode_t *build_name(sym_t *, bool); 250 extern tnode_t *build_string(strg_t *); 251 extern tnode_t *build_generic_selection(const tnode_t *, 252 struct generic_association *); 253 254 extern tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 255 extern tnode_t *build_unary(op_t, bool, tnode_t *); 256 extern tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 257 extern tnode_t *cconv(tnode_t *); 258 extern bool is_typeok_bool_compares_with_zero(const tnode_t *); 259 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 260 extern tnode_t *promote(op_t, bool, tnode_t *); 261 extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 262 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 263 extern tnode_t *build_sizeof(const type_t *); 264 extern tnode_t *build_offsetof(const type_t *, const sym_t *); 265 extern tnode_t *build_alignof(const type_t *); 266 extern tnode_t *cast(tnode_t *, type_t *); 267 extern tnode_t *build_function_argument(tnode_t *, tnode_t *); 268 extern tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 269 extern val_t *constant(tnode_t *, bool); 270 extern void expr(tnode_t *, bool, bool, bool, bool); 271 extern void check_expr_misc(const tnode_t *, bool, bool, bool, 272 bool, bool, bool); 273 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 274 extern strg_t *cat_strings(strg_t *, strg_t *); 275 extern unsigned int type_size_in_bits(const type_t *); 276 277 void begin_statement_expr(void); 278 void do_statement_expr(tnode_t *); 279 tnode_t *end_statement_expr(void); 280 281 /* 282 * func.c 283 */ 284 extern sym_t *funcsym; 285 extern bool reached; 286 extern bool warn_about_unreachable; 287 extern bool seen_fallthrough; 288 extern int nargusg; 289 extern pos_t argsused_pos; 290 extern int nvararg; 291 extern pos_t vapos; 292 extern int printflike_argnum; 293 extern pos_t printflike_pos; 294 extern int scanflike_argnum; 295 extern pos_t scanflike_pos; 296 extern bool constcond_flag; 297 extern bool llibflg; 298 extern int lwarn; 299 extern bool bitfieldtype_ok; 300 extern bool plibflg; 301 extern bool quadflg; 302 303 extern void begin_control_statement(control_statement_kind); 304 extern void end_control_statement(control_statement_kind); 305 extern void check_statement_reachable(void); 306 extern void begin_function(sym_t *); 307 extern void end_function(void); 308 extern void named_label(sym_t *); 309 extern void case_label(tnode_t *); 310 extern void default_label(void); 311 extern void if1(tnode_t *); 312 extern void if2(void); 313 extern void if3(bool); 314 extern void switch1(tnode_t *); 315 extern void switch2(void); 316 extern void while1(tnode_t *); 317 extern void while2(void); 318 extern void do1(void); 319 extern void do2(tnode_t *); 320 extern void for1(tnode_t *, tnode_t *, tnode_t *); 321 extern void for2(void); 322 extern void do_goto(sym_t *); 323 extern void do_continue(void); 324 extern void do_break(void); 325 extern void do_return(bool, tnode_t *); 326 extern void global_clean_up_decl(bool); 327 extern void argsused(int); 328 extern void constcond(int); 329 extern void fallthru(int); 330 extern void not_reached(int); 331 extern void lintlib(int); 332 extern void linted(int); 333 extern void varargs(int); 334 extern void printflike(int); 335 extern void scanflike(int); 336 extern void protolib(int); 337 extern void longlong(int); 338 extern void bitfieldtype(int); 339 340 /* 341 * init.c 342 */ 343 extern void begin_initialization(sym_t *); 344 extern void end_initialization(void); 345 extern sym_t *current_initsym(void); 346 347 extern void init_rbrace(void); 348 extern void init_lbrace(void); 349 extern void init_expr(tnode_t *); 350 extern void begin_designation(void); 351 extern void add_designator_member(sbuf_t *); 352 extern void add_designator_subscript(range_t); 353 354 /* 355 * emit.c 356 */ 357 extern void outtype(const type_t *); 358 extern void outsym(const sym_t *, scl_t, def_t); 359 extern void outfdef(const sym_t *, const pos_t *, bool, bool, 360 const sym_t *); 361 extern void outcall(const tnode_t *, bool, bool); 362 extern void outusg(const sym_t *); 363 364 /* 365 * lex.c 366 */ 367 extern int lex_name(const char *, size_t); 368 extern int lex_integer_constant(const char *, size_t, int); 369 extern int lex_floating_constant(const char *, size_t); 370 extern int lex_operator(int, op_t); 371 extern int lex_string(void); 372 extern int lex_wide_string(void); 373 extern int lex_character_constant(void); 374 extern int lex_wide_character_constant(void); 375 extern void lex_directive(const char *); 376 extern void lex_next_line(void); 377 extern void lex_comment(void); 378 extern void lex_slash_slash_comment(void); 379 extern void lex_unknown_character(int); 380 extern int lex_input(void); 381 382 /* 383 * ckbool.c 384 */ 385 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 386 const tnode_t *, const tnode_t *); 387 extern bool fallback_symbol_strict_bool(sym_t *); 388 389 /* 390 * ckctype.c 391 */ 392 extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 393 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 394 395 /* 396 * ckgetopt.c 397 */ 398 extern void check_getopt_begin_while(const tnode_t *); 399 extern void check_getopt_begin_switch(void); 400 extern void check_getopt_case_label(int64_t); 401 extern void check_getopt_end_switch(void); 402 extern void check_getopt_end_while(void); 403
Indexes created Sun Oct 19 21:10:07 GMT 2025