1 /* $NetBSD: externs1.h,v 1.242 2025/09/14 11:14:00 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 /* tyname.c */ 37 const char *expr_type_name(const tnode_t *); 38 39 /* 40 * main1.c 41 */ 42 extern bool Fflag; 43 extern bool Pflag; 44 extern bool Tflag; 45 extern int aflag; 46 extern bool bflag; 47 extern bool cflag; 48 extern bool eflag; 49 extern bool hflag; 50 extern bool pflag; 51 extern bool rflag; 52 extern bool vflag; 53 extern bool wflag; 54 extern bool yflag; 55 extern bool zflag; 56 57 extern bool allow_trad; 58 extern bool allow_c90; 59 extern bool allow_c99; 60 extern bool allow_c11; 61 extern bool allow_c23; 62 extern bool allow_gcc; 63 64 extern sig_atomic_t fpe; 65 66 void norecover(void); 67 68 /* 69 * cgram.y 70 */ 71 extern int block_level; 72 extern size_t mem_block_level; 73 extern int yydebug; 74 75 int yyerror(const char *); 76 int yyparse(void); 77 extern char *yytext; 78 79 /* 80 * lex.c 81 */ 82 extern bool in_gcc_attribute; 83 extern pos_t curr_pos; 84 extern pos_t csrc_pos; 85 extern bool in_system_header; 86 extern symbol_kind sym_kind; 87 extern FILE *yyin; 88 89 void init_lex(void); 90 int64_t convert_integer(int64_t, tspec_t, unsigned int); 91 void reset_suppressions(void); 92 sym_t *getsym(sbuf_t *); 93 void clean_up_after_error(void); 94 sym_t *pushdown(const sym_t *); 95 sym_t *mktempsym(type_t *); 96 void symtab_remove_forever(sym_t *); 97 void symtab_remove_level(sym_t *); 98 void inssym(int, sym_t *); 99 void freeyyv(void *, int); 100 int yylex(void); 101 102 /* 103 * mem1.c 104 */ 105 const char *record_filename(const char *, size_t); 106 int get_filename_id(const char *); 107 void add_directory_replacement(char *); 108 const char *transform_filename(const char *, size_t); 109 110 #ifdef DEBUG_MEM 111 void *block_zero_alloc(size_t, const char *); 112 void *level_zero_alloc(size_t, size_t, const char *); 113 #else 114 void *block_zero_alloc(size_t); 115 void *level_zero_alloc(size_t, size_t); 116 #define block_zero_alloc(size, descr) (block_zero_alloc)(size) 117 #define level_zero_alloc(level, size, descr) (level_zero_alloc)(level, size) 118 #endif 119 void level_free_all(size_t); 120 121 #ifdef DEBUG_MEM 122 void *expr_zero_alloc(size_t, const char *); 123 #else 124 void *expr_zero_alloc(size_t); 125 #define expr_zero_alloc(size, descr) (expr_zero_alloc)(size) 126 #endif 127 tnode_t *expr_alloc_tnode(void); 128 void expr_free_all(void); 129 memory_pool expr_save_memory(void); 130 void expr_restore_memory(memory_pool); 131 132 /* 133 * debug.c 134 */ 135 136 #ifdef DEBUG 137 extern bool debug_enabled; 138 const char *decl_level_kind_name(decl_level_kind); 139 const char *scl_name(scl_t); 140 const char *symbol_kind_name(symbol_kind); 141 const char *type_qualifiers_string(type_qualifiers); 142 const char *type_attributes_string(type_attributes); 143 const char *function_specifier_name(function_specifier); 144 const char *named_constant_name(named_constant); 145 void debug_dcs(void); 146 void debug_dcs_all(void); 147 void debug_node(const tnode_t *); 148 void debug_type(const type_t *); 149 void debug_sym(const char *, const sym_t *, const char *); 150 void debug_symtab(void); 151 void debug_printf(const char *fmt, ...) __printflike(1, 2); 152 void debug_skip_indent(void); 153 void debug_indent_inc(void); 154 void debug_indent_dec(void); 155 bool debug_push_indented(bool); 156 void debug_pop_indented(bool); 157 void debug_enter_func(const char *); 158 void debug_step(const char *fmt, ...) __printflike(1, 2); 159 void debug_leave_func(const char *); 160 void debug_attribute_list(const attribute_list *); 161 #define debug_enter() debug_enter_func(__func__) 162 #define debug_leave() debug_leave_func(__func__) 163 #else 164 #define debug_noop() do { } while (false) 165 #define debug_dcs() debug_noop() 166 #define debug_dcs_all() debug_noop() 167 #define debug_sym(p, sym, s) debug_noop() 168 #define debug_symtab() debug_noop() 169 #define debug_node(tn) debug_noop() 170 #define debug_type(tp) debug_noop() 171 #define debug_printf(...) debug_noop() 172 #define debug_skip_indent() debug_noop() 173 #define debug_indent_inc() debug_noop() 174 #define debug_indent_dec() debug_noop() 175 #define debug_push_indented(c) true 176 #define debug_pop_indented(c) (void)(c) 177 #define debug_enter() debug_noop() 178 #define debug_step(...) debug_noop() 179 #define debug_leave() debug_noop() 180 #define debug_attribute_list(list) debug_noop() 181 #endif 182 183 /* 184 * err.c 185 */ 186 extern bool seen_error; 187 extern bool seen_warning; 188 extern int sytxerr; 189 extern bool any_query_enabled; 190 extern bool is_query_enabled[]; 191 192 void msglist(void); 193 void error_at(int, const pos_t *, ...); 194 void warning_at(int, const pos_t *, ...); 195 void message_at(int, const pos_t *, ...); 196 void error(int, ...); 197 void warning(int, ...); 198 bool gnuism(int, ...); 199 void c99ism(int, ...); 200 void c11ism(int, ...); 201 void c23ism(int, ...); 202 void assert_failed(const char *, int, const char *, const char *) __dead; 203 void update_location(const char *, int, bool, bool); 204 void suppress_messages(const char *); 205 206 void query_message(int, ...); 207 void enable_queries(const char *); 208 209 /* 210 * decl.c 211 */ 212 extern decl_level *dcs; 213 extern const char unnamed[]; 214 extern int enumval; 215 216 void init_decl(void); 217 type_t *gettyp(tspec_t); 218 type_t *block_dup_type(const type_t *); 219 type_t *expr_dup_type(const type_t *); 220 type_t *expr_unqualified_type(const type_t *); 221 bool is_incomplete(const type_t *); 222 void dcs_add_function_specifier(function_specifier); 223 void dcs_add_storage_class(scl_t); 224 void dcs_add_type(type_t *); 225 void dcs_add_qualifiers(type_qualifiers); 226 void dcs_add_type_attributes(type_attributes); 227 void dcs_add_alignas(tnode_t *); 228 void dcs_add_packed(void); 229 void dcs_set_used(void); 230 void begin_declaration_level(decl_level_kind); 231 void end_declaration_level(void); 232 void dcs_set_asm(void); 233 void dcs_begin_type(void); 234 void dcs_end_type(void); 235 int length_in_bits(const type_t *, const char *); 236 unsigned int alignment(const type_t *); 237 sym_t *concat_symbols(sym_t *, sym_t *); 238 void check_type(sym_t *); 239 sym_t *declare_unnamed_member(void); 240 sym_t *declare_member(sym_t *); 241 sym_t *set_bit_field_width(sym_t *, int); 242 void add_type_qualifiers(type_qualifiers *, type_qualifiers); 243 qual_ptr *append_qualified_pointer(qual_ptr *, qual_ptr *); 244 sym_t *add_pointer(sym_t *, qual_ptr *); 245 sym_t *add_array(sym_t *, bool, int); 246 sym_t *add_function(sym_t *, parameter_list); 247 void check_extern_declaration(const sym_t *); 248 void check_function_definition(sym_t *, bool); 249 sym_t *declarator_name(sym_t *); 250 sym_t *old_style_function_parameter_name(sym_t *); 251 type_t *make_tag_type(sym_t *, tspec_t, bool, bool); 252 type_t *complete_struct_or_union(sym_t *); 253 type_t *complete_enum(sym_t *); 254 sym_t *enumeration_constant(sym_t *, int, bool); 255 void declare(sym_t *, bool, sbuf_t *); 256 void copy_usage_info(sym_t *, const sym_t *); 257 bool check_redeclaration(sym_t *, bool *); 258 bool pointer_types_are_compatible(const type_t *, const type_t *, bool); 259 bool types_compatible(const type_t *, const type_t *, bool, bool, bool *); 260 void complete_type(sym_t *, const sym_t *); 261 sym_t *declare_parameter(sym_t *, bool); 262 void check_func_lint_directives(void); 263 void check_func_old_style_parameters(void); 264 265 void declare_local(sym_t *, bool); 266 sym_t *abstract_name(void); 267 sym_t *abstract_enclosing_name(void); 268 void global_clean_up(void); 269 sym_t *declare_abstract_type(sym_t *); 270 void check_size(const sym_t *); 271 void mark_as_set(sym_t *); 272 void mark_as_used(sym_t *, bool, bool); 273 void check_usage(const decl_level *); 274 void check_usage_sym(bool, const sym_t *); 275 void end_translation_unit(void); 276 void print_previous_declaration(const sym_t *); 277 int to_int_constant(tnode_t *, bool); 278 279 /* 280 * tree.c 281 */ 282 const tnode_t *before_conversion(const tnode_t *); 283 type_t *block_derive_type(type_t *, tspec_t); 284 type_t *expr_derive_type(type_t *, tspec_t); 285 bool is_compiler_builtin(const char *); 286 tnode_t *build_constant(type_t *, val_t *); 287 tnode_t *build_name(sym_t *, bool); 288 tnode_t *build_string(buffer *); 289 tnode_t *build_generic_selection(const tnode_t *, 290 struct generic_association *); 291 292 tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 293 tnode_t *build_unary(op_t, bool, tnode_t *); 294 tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 295 tnode_t *cconv(tnode_t *); 296 bool is_typeok_bool_compares_with_zero(const tnode_t *, bool); 297 bool typeok(op_t, const function_call *, int, 298 const tnode_t *, const tnode_t *); 299 tnode_t *promote(op_t, bool, tnode_t *); 300 tnode_t *convert(op_t, int, type_t *, tnode_t *); 301 void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 302 tnode_t *build_sizeof(const type_t *); 303 tnode_t *build_offsetof(const type_t *, designation); 304 tnode_t *build_alignof(const type_t *); 305 tnode_t *cast(tnode_t *, bool, type_t *); 306 void add_function_argument(function_call *, tnode_t *); 307 tnode_t *build_function_call(tnode_t *, bool, function_call *); 308 val_t *integer_constant(tnode_t *, bool); 309 void expr(tnode_t *, bool, bool, bool, bool, const char *); 310 void check_expr_misc(const tnode_t *, bool, bool, bool, bool, bool, bool); 311 bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 312 buffer *cat_strings(buffer *, buffer *); 313 unsigned int type_size_in_bits(const type_t *); 314 sym_t *find_member(const struct_or_union *, const char *); 315 uint64_t possible_bits(const tnode_t *); 316 bool attributes_contain(const attribute_list *, const char *); 317 318 void begin_statement_expr(void); 319 void do_statement_expr(tnode_t *); 320 tnode_t *end_statement_expr(void); 321 bool in_statement_expr(void); 322 323 /* 324 * func.c 325 */ 326 extern sym_t *funcsym; 327 extern bool reached; 328 extern bool warn_about_unreachable; 329 extern bool suppress_fallthrough; 330 extern int nargusg; 331 extern pos_t argsused_pos; 332 extern int nvararg; 333 extern pos_t vapos; 334 extern int printflike_argnum; 335 extern pos_t printflike_pos; 336 extern int scanflike_argnum; 337 extern pos_t scanflike_pos; 338 extern bool llibflg; 339 extern int lwarn; 340 extern bool suppress_bitfieldtype; 341 extern bool plibflg; 342 extern bool suppress_longlong; 343 344 void begin_control_statement(control_statement_kind); 345 void end_control_statement(control_statement_kind); 346 void check_statement_reachable(const char *); 347 void begin_function(sym_t *); 348 void end_function(void); 349 void named_label(sym_t *); 350 void case_label(tnode_t *); 351 void default_label(void); 352 void stmt_if_expr(tnode_t *); 353 void stmt_if_then_stmt(void); 354 void stmt_if_else_stmt(bool); 355 void stmt_switch_expr(tnode_t *); 356 void stmt_switch_expr_stmt(void); 357 void stmt_while_expr(tnode_t *); 358 void stmt_while_expr_stmt(void); 359 void stmt_do(void); 360 void stmt_do_while_expr(tnode_t *); 361 void stmt_for_exprs(tnode_t *, tnode_t *, tnode_t *); 362 void stmt_for_exprs_stmt(void); 363 void stmt_goto(sym_t *); 364 void stmt_continue(void); 365 void stmt_break(void); 366 void stmt_return(bool, tnode_t *); 367 void stmt_call_noreturn(void); 368 void global_clean_up_decl(bool); 369 void handle_lint_comment(lint_comment, int); 370 371 /* 372 * init.c 373 */ 374 void begin_initialization(sym_t *); 375 void end_initialization(void); 376 sym_t *current_initsym(void); 377 378 void init_rbrace(void); 379 void init_lbrace(void); 380 void init_expr(tnode_t *); 381 void begin_designation(void); 382 void add_designator_member(sbuf_t *); 383 void add_designator_subscript(range_t); 384 void designation_push(designation *, designator_kind, const sym_t *, size_t); 385 386 /* 387 * emit.c 388 */ 389 void outtype(const type_t *); 390 void outsym(const sym_t *, scl_t, def_t); 391 void outfdef(const sym_t *, const pos_t *, bool, bool, const sym_t *); 392 void outcall(const tnode_t *, bool, bool); 393 void outusg(const sym_t *); 394 395 /* 396 * lex.c 397 */ 398 void lex_pp_begin(void); 399 void lex_pp_identifier(const char *); 400 void lex_pp_number(const char *); 401 void lex_pp_character_constant(void); 402 void lex_pp_string_literal(void); 403 void lex_pp_punctuator(const char *); 404 void lex_pp_comment(void); 405 void lex_pp_whitespace(void); 406 void lex_pp_end(void); 407 int lex_name(const char *, size_t); 408 int lex_integer_constant(const char *, size_t, int); 409 int lex_floating_constant(const char *, size_t); 410 int lex_operator(int, op_t); 411 int lex_string(void); 412 int lex_wide_string(void); 413 int lex_character_constant(void); 414 int lex_wide_character_constant(void); 415 void lex_next_line(void); 416 void lex_comment(void); 417 void lex_slash_slash_comment(void); 418 void lex_unknown_character(int); 419 int lex_input(void); 420 bool quoted_next(const buffer *, quoted_iterator *); 421 balanced_token_sequence lex_balanced(void); 422 423 /* 424 * ckbool.c 425 */ 426 bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 427 const tnode_t *, const tnode_t *); 428 bool fallback_symbol_strict_bool(sym_t *); 429 430 /* 431 * ckctype.c 432 */ 433 void check_ctype_function_call(const function_call *); 434 void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 435 436 /* 437 * ckgetopt.c 438 */ 439 void check_getopt_begin_while(const tnode_t *); 440 void check_getopt_begin_switch(void); 441 void check_getopt_case_label(int64_t); 442 void check_getopt_end_switch(void); 443 void check_getopt_end_while(void); 444 445 /* cksnprintb.c */ 446 void check_snprintb(const function_call *); 447
Indexes created Sat Sep 20 22:09:52 GMT 2025