externs1.h revision 1.121
1 /* $NetBSD: externs1.h,v 1.121 2021/07/25 22:14:36 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 dflag; 42 extern bool eflag; 43 extern bool Fflag; 44 extern bool gflag; 45 extern bool hflag; 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 Pflag; 56 57 extern void norecover(void); 58 59 /* 60 * cgram.y 61 */ 62 extern int block_level; 63 extern int mem_block_level; 64 extern int yydebug; 65 66 extern int yyerror(const char *); 67 extern int yyparse(void); 68 69 /* 70 * scan.l 71 */ 72 extern bool attron; 73 extern pos_t curr_pos; 74 extern pos_t csrc_pos; 75 extern bool in_system_header; 76 extern symt_t symtyp; 77 extern FILE *yyin; 78 79 extern void initscan(void); 80 extern int msb(int64_t, tspec_t, int); 81 extern int64_t convert_integer(int64_t, tspec_t, 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 * err.c 116 */ 117 extern int nerr; 118 extern int sytxerr; 119 extern const char *const msgs[]; 120 121 extern void msglist(void); 122 extern void error_at(int, const pos_t *, ...); 123 extern void warning_at(int, const pos_t *, ...); 124 extern void message_at(int, const pos_t *, ...); 125 extern void error(int, ...); 126 extern void warning(int, ...); 127 extern void message(int, ...); 128 extern void gnuism(int, ...); 129 extern void c99ism(int, ...); 130 extern void c11ism(int, ...); 131 extern void internal_error(const char *, int, const char *, ...) 132 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 133 extern void assert_failed(const char *, int, const char *, const char *) 134 __attribute__((__noreturn__)); 135 extern void update_location(const char *, int, bool, bool); 136 137 /* 138 * decl.c 139 */ 140 extern dinfo_t *dcs; 141 extern const char *unnamed; 142 extern int enumval; 143 144 extern void initdecl(void); 145 extern type_t *gettyp(tspec_t); 146 extern type_t *dup_type(const type_t *); 147 extern type_t *expr_dup_type(const type_t *); 148 extern bool is_incomplete(const type_t *); 149 extern void setcomplete(type_t *, bool); 150 extern void add_storage_class(scl_t); 151 extern void add_type(type_t *); 152 extern void add_qualifier(tqual_t); 153 extern void addpacked(void); 154 extern void add_attr_used(void); 155 extern void begin_declaration_level(scl_t); 156 extern void end_declaration_level(void); 157 extern void setasm(void); 158 extern void begin_type(void); 159 extern void end_type(void); 160 extern int length(const type_t *, const char *); 161 extern int alignment_in_bits(const type_t *); 162 extern sym_t *lnklst(sym_t *, sym_t *); 163 extern void check_type(sym_t *); 164 extern sym_t *declarator_1_struct_union(sym_t *); 165 extern sym_t *bitfield(sym_t *, int); 166 extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 167 extern sym_t *add_pointer(sym_t *, qual_ptr *); 168 extern sym_t *add_array(sym_t *, bool, int); 169 extern sym_t *add_function(sym_t *, sym_t *); 170 extern void check_function_definition(sym_t *, bool); 171 extern sym_t *declarator_name(sym_t *); 172 extern sym_t *old_style_function_name(sym_t *); 173 extern type_t *mktag(sym_t *, tspec_t, bool, bool); 174 extern const char *storage_class_name(scl_t); 175 extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 176 extern type_t *complete_tag_enum(type_t *, sym_t *); 177 extern sym_t *enumeration_constant(sym_t *, int, bool); 178 extern void declare(sym_t *, bool, sbuf_t *); 179 extern void copy_usage_info(sym_t *, sym_t *); 180 extern bool check_redeclaration(sym_t *, bool *); 181 extern bool eqptrtype(const type_t *, const type_t *, bool); 182 extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 183 extern void complete_type(sym_t *, sym_t *); 184 extern sym_t *declare_argument(sym_t *, bool); 185 extern void check_func_lint_directives(void); 186 extern void check_func_old_style_arguments(void); 187 188 extern void declare_local(sym_t *, bool); 189 extern sym_t *abstract_name(void); 190 extern void global_clean_up(void); 191 extern sym_t *declare_1_abstract(sym_t *); 192 extern void check_size(sym_t *); 193 extern void mark_as_set(sym_t *); 194 extern void mark_as_used(sym_t *, bool, bool); 195 extern void check_usage(dinfo_t *); 196 extern void check_usage_sym(bool, sym_t *); 197 extern void check_global_symbols(void); 198 extern void print_previous_declaration(int, const sym_t *); 199 extern int to_int_constant(tnode_t *, bool); 200 201 /* 202 * tree.c 203 */ 204 extern const tnode_t *before_conversion(const tnode_t *); 205 extern type_t *derive_type(type_t *, tspec_t); 206 extern type_t *expr_derive_type(type_t *, tspec_t); 207 extern tnode_t *build_constant(type_t *, val_t *); 208 extern tnode_t *build_name(sym_t *, int); 209 extern tnode_t *build_string(strg_t *); 210 extern sym_t *struct_or_union_member(tnode_t *, op_t, sym_t *); 211 extern tnode_t *build_generic_selection(const tnode_t *, 212 struct generic_association *); 213 214 extern tnode_t *build_binary(tnode_t *, op_t, tnode_t *); 215 extern tnode_t *build_unary(op_t, tnode_t *); 216 extern tnode_t *build_member_access(tnode_t *, op_t, sbuf_t *); 217 extern tnode_t *cconv(tnode_t *); 218 extern bool is_typeok_bool_operand(const tnode_t *); 219 extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 220 extern tnode_t *promote(op_t, bool, tnode_t *); 221 extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 222 extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 223 extern tnode_t *build_sizeof(const type_t *); 224 extern tnode_t *build_offsetof(const type_t *, const sym_t *); 225 extern tnode_t *build_alignof(const type_t *); 226 extern tnode_t *cast(tnode_t *, type_t *); 227 extern tnode_t *build_function_argument(tnode_t *, tnode_t *); 228 extern tnode_t *build_function_call(tnode_t *, tnode_t *); 229 extern val_t *constant(tnode_t *, bool); 230 extern void expr(tnode_t *, bool, bool, bool, bool); 231 extern void check_expr_misc(const tnode_t *, bool, bool, bool, 232 bool, bool, bool); 233 extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 234 extern strg_t *cat_strings(strg_t *, strg_t *); 235 extern int64_t type_size_in_bits(const type_t *); 236 #ifdef DEBUG 237 extern void debug_node(const tnode_t *, int); 238 #else 239 #define debug_node(tn, indent) do { } while (false) 240 #endif 241 242 /* 243 * func.c 244 */ 245 extern sym_t *funcsym; 246 extern bool reached; 247 extern bool warn_about_unreachable; 248 extern bool seen_fallthrough; 249 extern int nargusg; 250 extern pos_t argsused_pos; 251 extern int nvararg; 252 extern pos_t vapos; 253 extern int printflike_argnum; 254 extern pos_t printflike_pos; 255 extern int scanflike_argnum; 256 extern pos_t scanflike_pos; 257 extern bool constcond_flag; 258 extern bool llibflg; 259 extern int lwarn; 260 extern bool bitfieldtype_ok; 261 extern bool plibflg; 262 extern bool quadflg; 263 264 extern void begin_control_statement(control_statement_kind); 265 extern void end_control_statement(control_statement_kind); 266 extern void check_statement_reachable(void); 267 extern void funcdef(sym_t *); 268 extern void funcend(void); 269 extern void named_label(sym_t *); 270 extern void case_label(tnode_t *); 271 extern void default_label(void); 272 extern void if1(tnode_t *); 273 extern void if2(void); 274 extern void if3(bool); 275 extern void switch1(tnode_t *); 276 extern void switch2(void); 277 extern void while1(tnode_t *); 278 extern void while2(void); 279 extern void do1(void); 280 extern void do2(tnode_t *); 281 extern void for1(tnode_t *, tnode_t *, tnode_t *); 282 extern void for2(void); 283 extern void do_goto(sym_t *); 284 extern void do_continue(void); 285 extern void do_break(void); 286 extern void do_return(tnode_t *); 287 extern void global_clean_up_decl(bool); 288 extern void argsused(int); 289 extern void constcond(int); 290 extern void fallthru(int); 291 extern void not_reached(int); 292 extern void lintlib(int); 293 extern void linted(int); 294 extern void varargs(int); 295 extern void printflike(int); 296 extern void scanflike(int); 297 extern void protolib(int); 298 extern void longlong(int); 299 extern void bitfieldtype(int); 300 301 /* 302 * init.c 303 */ 304 extern void begin_initialization(sym_t *); 305 extern void end_initialization(void); 306 extern sym_t **current_initsym(void); 307 308 extern void init_rbrace(void); 309 extern void init_lbrace(void); 310 extern void init_expr(tnode_t *); 311 extern void add_designator_member(sbuf_t *); 312 extern void add_designator_subscript(range_t); 313 314 /* 315 * emit.c 316 */ 317 extern void outtype(const type_t *); 318 extern void outsym(const sym_t *, scl_t, def_t); 319 extern void outfdef(const sym_t *, const pos_t *, bool, bool, 320 const sym_t *); 321 extern void outcall(const tnode_t *, bool, bool); 322 extern void outusg(const sym_t *); 323 324 /* 325 * lex.c 326 */ 327 extern int lex_name(const char *, size_t); 328 extern int lex_integer_constant(const char *, size_t, int); 329 extern int lex_floating_constant(const char *, size_t); 330 extern int lex_operator(int, op_t); 331 extern int lex_string(void); 332 extern int lex_wide_string(void); 333 extern int lex_character_constant(void); 334 extern int lex_wide_character_constant(void); 335 extern void lex_directive(const char *); 336 extern void lex_next_line(void); 337 extern void lex_comment(void); 338 extern void lex_slash_slash_comment(void); 339 extern void lex_unknown_character(int); 340 extern int lex_input(void); 341 342 /* 343 * ckbool.c 344 */ 345 extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 346 const tnode_t *, const tnode_t *); 347 extern bool fallback_symbol_strict_bool(sym_t *); 348 349 /* 350 * ckctype.c 351 */ 352 extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 353 extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 354 355 /* 356 * ckgetopt.c 357 */ 358 extern void check_getopt_begin_while(const tnode_t *); 359 extern void check_getopt_begin_switch(void); 360 extern void check_getopt_case_label(int64_t); 361 extern void check_getopt_end_switch(void); 362 extern void check_getopt_end_while(void); 363
Indexes created Wed Oct 15 16:09:53 GMT 2025