externs1.h revision 1.140
1 /* $NetBSD: externs1.h,v 1.140 2021/11/16 21:01:05 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 int 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 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 * debug.c 116 */ 117 118 #ifdef DEBUG 119 void debug_node(const tnode_t *); 120 void debug_printf(const char *fmt, ...) __printflike(1, 2); 121 void debug_indent(void); 122 void debug_indent_inc(void); 123 void debug_indent_dec(void); 124 void debug_enter(const char *); 125 void debug_step(const char *fmt, ...) __printflike(1, 2); 126 void debug_leave(const char *); 127 #define debug_enter() (debug_enter)(__func__) 128 #define debug_leave() (debug_leave)(__func__) 129 #else 130 #define debug_noop() do { } while (false) 131 #define debug_node(tn) debug_noop() 132 #define debug_printf(...) debug_noop() 133 #define debug_indent() debug_noop() 134 #define debug_step(...) debug_noop() 135 #define debug_indent() debug_noop() 136 #define debug_indent_inc() debug_noop() 137 #define debug_indent_dec() debug_noop() 138 #define debug_enter() debug_noop() 139 #define debug_leave() debug_noop() 140 #endif 141 142 /* 143 * err.c 144 */ 145 extern int nerr; 146 extern int sytxerr; 147 extern const char *const msgs[]; 148 149 extern void msglist(void); 150 extern void error_at(int, const pos_t *, ...); 151 extern void warning_at(int, const pos_t *, ...); 152 extern void message_at(int, const pos_t *, ...); 153 extern void error(int, ...); 154 extern void warning(int, ...); 155 extern void gnuism(int, ...); 156 extern void c99ism(int, ...); 157 extern void c11ism(int, ...); 158 extern void internal_error(const char *, int, const char *, ...) 159 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 160 extern void assert_failed(const char *, int, const char *, const char *) 161 __attribute__((__noreturn__)); 162 extern void update_location(const char *, int, bool, bool); 163 164 /* 165 * decl.c 166 */ 167 extern dinfo_t *dcs; 168 extern const char *unnamed; 169 extern int enumval; 170 171 extern void initdecl(void); 172 extern type_t *gettyp(tspec_t); 173 extern type_t *dup_type(const type_t *); 174 extern type_t *expr_dup_type(const type_t *); 175 extern type_t *expr_unqualified_type(const type_t *); 176 extern bool is_incomplete(const type_t *); 177 extern void setcomplete(type_t *, bool); 178 extern void add_storage_class(scl_t); 179 extern void add_type(type_t *); 180 extern void add_qualifier(tqual_t); 181 extern void addpacked(void); 182 extern void add_attr_used(void); 183 extern void begin_declaration_level(scl_t); 184 extern void end_declaration_level(void); 185 extern void setasm(void); 186 extern void begin_type(void); 187 extern void end_type(void); 188 extern int length(const type_t *, const char *); 189 extern unsigned int alignment_in_bits(const type_t *); 190 extern sym_t *lnklst(sym_t *, sym_t *); 191 extern void check_type(sym_t *); 192 extern sym_t *declarator_1_struct_union(sym_t *); 193 extern sym_t *bitfield(sym_t *, int); 194 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 195 extern sym_t *add_pointer(sym_t *, qual_ptr *); 196 extern sym_t *add_array(sym_t *, bool, int); 197 extern sym_t *add_function(sym_t *, sym_t *); 198 extern void check_function_definition(sym_t *, bool); 199 extern sym_t *declarator_name(sym_t *); 200 extern sym_t *old_style_function_name(sym_t *); 201 extern type_t *mktag(sym_t *, tspec_t, bool, bool); 202 extern const char *storage_class_name(scl_t); 203 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 204 extern type_t *complete_tag_enum(type_t *, sym_t *); 205 extern sym_t *enumeration_constant(sym_t *, int, bool); 206 extern void declare(sym_t *, bool, sbuf_t *); 207 extern void copy_usage_info(sym_t *, sym_t *); 208 extern bool check_redeclaration(sym_t *, bool *); 209 extern bool eqptrtype(const type_t *, const type_t *, bool); 210 extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 211 extern void complete_type(sym_t *, sym_t *); 212 extern sym_t *declare_argument(sym_t *, bool); 213 extern void check_func_lint_directives(void); 214 extern void check_func_old_style_arguments(void); 215 216 extern void declare_local(sym_t *, bool); 217 extern sym_t *abstract_name(void); 218 extern void global_clean_up(void); 219 extern sym_t *declare_1_abstract(sym_t *); 220 extern void check_size(sym_t *); 221 extern void mark_as_set(sym_t *); 222 extern void mark_as_used(sym_t *, bool, bool); 223 extern void check_usage(dinfo_t *); 224 extern void check_usage_sym(bool, sym_t *); 225 extern void check_global_symbols(void); 226 extern void print_previous_declaration(int, const sym_t *); 227 extern int to_int_constant(tnode_t *, bool); 228 extern const char *scl_name(scl_t); 229 230 /* 231 * tree.c 232 */ 233 extern const tnode_t *before_conversion(const tnode_t *); 234 extern type_t *derive_type(type_t *, tspec_t); 235 extern type_t *expr_derive_type(type_t *, tspec_t); 236 extern bool is_compiler_builtin(const char *); 237 extern tnode_t *build_constant(type_t *, val_t *); 238 extern tnode_t *build_name(sym_t *, int); 239 extern tnode_t *build_string(strg_t *); 240 extern sym_t *struct_or_union_member(tnode_t *, op_t, sym_t *); 241 extern tnode_t *build_generic_selection(const tnode_t *, 242 struct generic_association *); 243 244 extern tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 245 extern tnode_t *build_unary(op_t, bool, tnode_t *); 246 extern tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 247 extern tnode_t *cconv(tnode_t *); 248 extern bool is_typeok_bool_operand(const tnode_t *); 249 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 250 extern tnode_t *promote(op_t, bool, tnode_t *); 251 extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 252 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 253 extern tnode_t *build_sizeof(const type_t *); 254 extern tnode_t *build_offsetof(const type_t *, const sym_t *); 255 extern tnode_t *build_alignof(const type_t *); 256 extern tnode_t *cast(tnode_t *, type_t *); 257 extern tnode_t *build_function_argument(tnode_t *, tnode_t *); 258 extern tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 259 extern val_t *constant(tnode_t *, bool); 260 extern void expr(tnode_t *, bool, bool, bool, bool); 261 extern void check_expr_misc(const tnode_t *, bool, bool, bool, 262 bool, bool, bool); 263 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 264 extern strg_t *cat_strings(strg_t *, strg_t *); 265 extern unsigned int type_size_in_bits(const type_t *); 266 267 /* 268 * func.c 269 */ 270 extern sym_t *funcsym; 271 extern bool reached; 272 extern bool warn_about_unreachable; 273 extern bool seen_fallthrough; 274 extern int nargusg; 275 extern pos_t argsused_pos; 276 extern int nvararg; 277 extern pos_t vapos; 278 extern int printflike_argnum; 279 extern pos_t printflike_pos; 280 extern int scanflike_argnum; 281 extern pos_t scanflike_pos; 282 extern bool constcond_flag; 283 extern bool llibflg; 284 extern int lwarn; 285 extern bool bitfieldtype_ok; 286 extern bool plibflg; 287 extern bool quadflg; 288 289 extern void begin_control_statement(control_statement_kind); 290 extern void end_control_statement(control_statement_kind); 291 extern void check_statement_reachable(void); 292 extern void funcdef(sym_t *); 293 extern void funcend(void); 294 extern void named_label(sym_t *); 295 extern void case_label(tnode_t *); 296 extern void default_label(void); 297 extern void if1(tnode_t *); 298 extern void if2(void); 299 extern void if3(bool); 300 extern void switch1(tnode_t *); 301 extern void switch2(void); 302 extern void while1(tnode_t *); 303 extern void while2(void); 304 extern void do1(void); 305 extern void do2(tnode_t *); 306 extern void for1(tnode_t *, tnode_t *, tnode_t *); 307 extern void for2(void); 308 extern void do_goto(sym_t *); 309 extern void do_continue(void); 310 extern void do_break(void); 311 extern void do_return(bool, tnode_t *); 312 extern void global_clean_up_decl(bool); 313 extern void argsused(int); 314 extern void constcond(int); 315 extern void fallthru(int); 316 extern void not_reached(int); 317 extern void lintlib(int); 318 extern void linted(int); 319 extern void varargs(int); 320 extern void printflike(int); 321 extern void scanflike(int); 322 extern void protolib(int); 323 extern void longlong(int); 324 extern void bitfieldtype(int); 325 326 /* 327 * init.c 328 */ 329 extern void begin_initialization(sym_t *); 330 extern void end_initialization(void); 331 extern sym_t **current_initsym(void); 332 333 extern void init_rbrace(void); 334 extern void init_lbrace(void); 335 extern void init_expr(tnode_t *); 336 extern void add_designator_member(sbuf_t *); 337 extern void add_designator_subscript(range_t); 338 339 /* 340 * emit.c 341 */ 342 extern void outtype(const type_t *); 343 extern void outsym(const sym_t *, scl_t, def_t); 344 extern void outfdef(const sym_t *, const pos_t *, bool, bool, 345 const sym_t *); 346 extern void outcall(const tnode_t *, bool, bool); 347 extern void outusg(const sym_t *); 348 349 /* 350 * lex.c 351 */ 352 extern int lex_name(const char *, size_t); 353 extern int lex_integer_constant(const char *, size_t, int); 354 extern int lex_floating_constant(const char *, size_t); 355 extern int lex_operator(int, op_t); 356 extern int lex_string(void); 357 extern int lex_wide_string(void); 358 extern int lex_character_constant(void); 359 extern int lex_wide_character_constant(void); 360 extern void lex_directive(const char *); 361 extern void lex_next_line(void); 362 extern void lex_comment(void); 363 extern void lex_slash_slash_comment(void); 364 extern void lex_unknown_character(int); 365 extern int lex_input(void); 366 367 /* 368 * ckbool.c 369 */ 370 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 371 const tnode_t *, const tnode_t *); 372 extern bool fallback_symbol_strict_bool(sym_t *); 373 374 /* 375 * ckctype.c 376 */ 377 extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 378 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 379 380 /* 381 * ckgetopt.c 382 */ 383 extern void check_getopt_begin_while(const tnode_t *); 384 extern void check_getopt_begin_switch(void); 385 extern void check_getopt_case_label(int64_t); 386 extern void check_getopt_end_switch(void); 387 extern void check_getopt_end_while(void); 388
Indexes created Fri Sep 26 08:10:20 GMT 2025