externs1.h revision 1.227
1 /* $NetBSD: externs1.h,v 1.227 2024/05/12 08:48:36 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 #include <signal.h> 35 36 /* 37 * main1.c 38 */ 39 extern bool Fflag; 40 extern bool Pflag; 41 extern bool Tflag; 42 extern int aflag; 43 extern bool bflag; 44 extern bool cflag; 45 extern bool eflag; 46 extern bool hflag; 47 extern bool pflag; 48 extern bool rflag; 49 extern bool uflag; 50 extern bool vflag; 51 extern bool wflag; 52 extern bool yflag; 53 extern bool zflag; 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_c23; 60 extern bool allow_gcc; 61 62 extern sig_atomic_t fpe; 63 64 void norecover(void); 65 66 /* 67 * cgram.y 68 */ 69 extern int block_level; 70 extern size_t mem_block_level; 71 extern int yydebug; 72 73 int yyerror(const char *); 74 int yyparse(void); 75 extern char *yytext; 76 77 /* 78 * lex.c 79 */ 80 extern bool in_gcc_attribute; 81 extern pos_t curr_pos; 82 extern pos_t csrc_pos; 83 extern bool in_system_header; 84 extern symbol_kind sym_kind; 85 extern FILE *yyin; 86 87 void init_lex(void); 88 int64_t convert_integer(int64_t, tspec_t, unsigned int); 89 void reset_suppressions(void); 90 sym_t *getsym(sbuf_t *); 91 void clean_up_after_error(void); 92 sym_t *pushdown(const sym_t *); 93 sym_t *mktempsym(type_t *); 94 void symtab_remove_forever(sym_t *); 95 void symtab_remove_level(sym_t *); 96 void inssym(int, sym_t *); 97 void freeyyv(void *, int); 98 int yylex(void); 99 100 /* 101 * mem1.c 102 */ 103 const char *record_filename(const char *, size_t); 104 int get_filename_id(const char *); 105 void add_directory_replacement(char *); 106 const char *transform_filename(const char *, size_t); 107 108 #ifdef DEBUG_MEM 109 void *block_zero_alloc(size_t, const char *); 110 void *level_zero_alloc(size_t, size_t, const char *); 111 #else 112 void *block_zero_alloc(size_t); 113 void *level_zero_alloc(size_t, size_t); 114 #define block_zero_alloc(size, descr) (block_zero_alloc)(size) 115 #define level_zero_alloc(level, size, descr) (level_zero_alloc)(level, size) 116 #endif 117 void level_free_all(size_t); 118 119 #ifdef DEBUG_MEM 120 void *expr_zero_alloc(size_t, const char *); 121 #else 122 void *expr_zero_alloc(size_t); 123 #define expr_zero_alloc(size, descr) (expr_zero_alloc)(size) 124 #endif 125 tnode_t *expr_alloc_tnode(void); 126 void expr_free_all(void); 127 memory_pool expr_save_memory(void); 128 void expr_restore_memory(memory_pool); 129 130 /* 131 * debug.c 132 */ 133 134 #ifdef DEBUG 135 const char *decl_level_kind_name(decl_level_kind); 136 const char *scl_name(scl_t); 137 const char *symbol_kind_name(symbol_kind); 138 const char *type_qualifiers_string(type_qualifiers); 139 const char *function_specifier_name(function_specifier); 140 const char *named_constant_name(named_constant); 141 void debug_dcs(void); 142 void debug_dcs_all(void); 143 void debug_node(const tnode_t *); 144 void debug_type(const type_t *); 145 void debug_sym(const char *, const sym_t *, const char *); 146 void debug_symtab(void); 147 void debug_printf(const char *fmt, ...) __printflike(1, 2); 148 void debug_skip_indent(void); 149 void debug_indent_inc(void); 150 void debug_indent_dec(void); 151 bool debug_push_indented(bool); 152 void debug_pop_indented(bool); 153 void debug_enter_func(const char *); 154 void debug_step(const char *fmt, ...) __printflike(1, 2); 155 void debug_leave_func(const char *); 156 void debug_attribute_list(const attribute_list *); 157 #define debug_enter() debug_enter_func(__func__) 158 #define debug_leave() debug_leave_func(__func__) 159 #else 160 #define debug_noop() do { } while (false) 161 #define debug_dcs() debug_noop() 162 #define debug_dcs_all() debug_noop() 163 #define debug_sym(p, sym, s) debug_noop() 164 #define debug_symtab() debug_noop() 165 #define debug_node(tn) debug_noop() 166 #define debug_type(tp) debug_noop() 167 #define debug_printf(...) debug_noop() 168 #define debug_skip_indent() debug_noop() 169 #define debug_indent_inc() debug_noop() 170 #define debug_indent_dec() debug_noop() 171 #define debug_push_indented(c) true 172 #define debug_pop_indented(c) (void)(c) 173 #define debug_enter() debug_noop() 174 #define debug_step(...) debug_noop() 175 #define debug_leave() debug_noop() 176 #define debug_attribute_list(list) debug_noop() 177 #endif 178 179 /* 180 * err.c 181 */ 182 extern bool seen_error; 183 extern bool seen_warning; 184 extern int sytxerr; 185 extern bool any_query_enabled; 186 extern bool is_query_enabled[]; 187 188 void msglist(void); 189 void error_at(int, const pos_t *, ...); 190 void warning_at(int, const pos_t *, ...); 191 void message_at(int, const pos_t *, ...); 192 void error(int, ...); 193 void warning(int, ...); 194 bool gnuism(int, ...); 195 void c99ism(int, ...); 196 void c11ism(int, ...); 197 void c23ism(int, ...); 198 void assert_failed(const char *, int, const char *, const char *) __dead; 199 void update_location(const char *, int, bool, bool); 200 void suppress_messages(const char *); 201 202 void query_message(int, ...); 203 void enable_queries(const char *); 204 205 /* 206 * decl.c 207 */ 208 extern decl_level *dcs; 209 extern const char unnamed[]; 210 extern int enumval; 211 212 void init_decl(void); 213 type_t *gettyp(tspec_t); 214 type_t *block_dup_type(const type_t *); 215 type_t *expr_dup_type(const type_t *); 216 type_t *expr_unqualified_type(const type_t *); 217 bool is_incomplete(const type_t *); 218 void dcs_add_function_specifier(function_specifier); 219 void dcs_add_storage_class(scl_t); 220 void dcs_add_type(type_t *); 221 void dcs_add_qualifiers(type_qualifiers); 222 void dcs_add_alignas(tnode_t *); 223 void dcs_add_packed(void); 224 void dcs_set_used(void); 225 void begin_declaration_level(decl_level_kind); 226 void end_declaration_level(void); 227 void dcs_set_asm(void); 228 void dcs_begin_type(void); 229 void dcs_end_type(void); 230 int length_in_bits(const type_t *, const char *); 231 unsigned int alignment(const type_t *); 232 sym_t *concat_symbols(sym_t *, sym_t *); 233 void check_type(sym_t *); 234 sym_t *declare_unnamed_member(void); 235 sym_t *declare_member(sym_t *); 236 sym_t *set_bit_field_width(sym_t *, int); 237 void add_type_qualifiers(type_qualifiers *, type_qualifiers); 238 qual_ptr *append_qualified_pointer(qual_ptr *, qual_ptr *); 239 sym_t *add_pointer(sym_t *, qual_ptr *); 240 sym_t *add_array(sym_t *, bool, int); 241 sym_t *add_function(sym_t *, parameter_list); 242 void check_extern_declaration(const sym_t *); 243 void check_function_definition(sym_t *, bool); 244 sym_t *declarator_name(sym_t *); 245 sym_t *old_style_function_parameter_name(sym_t *); 246 type_t *make_tag_type(sym_t *, tspec_t, bool, bool); 247 type_t *complete_struct_or_union(sym_t *); 248 type_t *complete_enum(sym_t *); 249 sym_t *enumeration_constant(sym_t *, int, bool); 250 void declare(sym_t *, bool, sbuf_t *); 251 void copy_usage_info(sym_t *, sym_t *); 252 bool check_redeclaration(sym_t *, bool *); 253 bool pointer_types_are_compatible(const type_t *, const type_t *, bool); 254 bool types_compatible(const type_t *, const type_t *, bool, bool, bool *); 255 void complete_type(sym_t *, sym_t *); 256 sym_t *declare_parameter(sym_t *, bool); 257 void check_func_lint_directives(void); 258 void check_func_old_style_parameters(void); 259 260 void declare_local(sym_t *, bool); 261 sym_t *abstract_name(void); 262 sym_t *abstract_enclosing_name(void); 263 void global_clean_up(void); 264 sym_t *declare_abstract_type(sym_t *); 265 void check_size(const sym_t *); 266 void mark_as_set(sym_t *); 267 void mark_as_used(sym_t *, bool, bool); 268 void check_usage(const decl_level *); 269 void check_usage_sym(bool, const sym_t *); 270 void end_translation_unit(void); 271 void print_previous_declaration(const sym_t *); 272 int to_int_constant(tnode_t *, bool); 273 274 /* 275 * tree.c 276 */ 277 const tnode_t *before_conversion(const tnode_t *); 278 type_t *block_derive_type(type_t *, tspec_t); 279 type_t *expr_derive_type(type_t *, tspec_t); 280 bool is_compiler_builtin(const char *); 281 tnode_t *build_constant(type_t *, val_t *); 282 tnode_t *build_name(sym_t *, bool); 283 tnode_t *build_string(buffer *); 284 tnode_t *build_generic_selection(const tnode_t *, 285 struct generic_association *); 286 287 tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 288 tnode_t *build_unary(op_t, bool, tnode_t *); 289 tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 290 tnode_t *cconv(tnode_t *); 291 bool is_typeok_bool_compares_with_zero(const tnode_t *); 292 bool typeok(op_t, int, const tnode_t *, const tnode_t *); 293 tnode_t *promote(op_t, bool, tnode_t *); 294 tnode_t *convert(op_t, int, type_t *, tnode_t *); 295 void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 296 tnode_t *build_sizeof(const type_t *); 297 tnode_t *build_offsetof(const type_t *, designation); 298 tnode_t *build_alignof(const type_t *); 299 tnode_t *cast(tnode_t *, bool, type_t *); 300 void add_function_argument(function_call *, tnode_t *); 301 tnode_t *build_function_call(tnode_t *, bool, function_call *); 302 val_t *integer_constant(tnode_t *, bool); 303 void expr(tnode_t *, bool, bool, bool, bool); 304 void check_expr_misc(const tnode_t *, bool, bool, bool, bool, bool, bool); 305 bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 306 buffer *cat_strings(buffer *, buffer *); 307 unsigned int type_size_in_bits(const type_t *); 308 sym_t *find_member(const struct_or_union *, const char *); 309 uint64_t possible_bits(const tnode_t *); 310 311 void begin_statement_expr(void); 312 void do_statement_expr(tnode_t *); 313 tnode_t *end_statement_expr(void); 314 bool in_statement_expr(void); 315 316 /* 317 * func.c 318 */ 319 extern sym_t *funcsym; 320 extern bool reached; 321 extern bool warn_about_unreachable; 322 extern bool suppress_fallthrough; 323 extern int nargusg; 324 extern pos_t argsused_pos; 325 extern int nvararg; 326 extern pos_t vapos; 327 extern int printflike_argnum; 328 extern pos_t printflike_pos; 329 extern int scanflike_argnum; 330 extern pos_t scanflike_pos; 331 extern bool suppress_constcond; 332 extern bool llibflg; 333 extern int lwarn; 334 extern bool suppress_bitfieldtype; 335 extern bool plibflg; 336 extern bool suppress_longlong; 337 338 void begin_control_statement(control_statement_kind); 339 void end_control_statement(control_statement_kind); 340 void check_statement_reachable(void); 341 void begin_function(sym_t *); 342 void end_function(void); 343 void named_label(sym_t *); 344 void case_label(tnode_t *); 345 void default_label(void); 346 void stmt_if_expr(tnode_t *); 347 void stmt_if_then_stmt(void); 348 void stmt_if_else_stmt(bool); 349 void stmt_switch_expr(tnode_t *); 350 void stmt_switch_expr_stmt(void); 351 void stmt_while_expr(tnode_t *); 352 void stmt_while_expr_stmt(void); 353 void stmt_do(void); 354 void stmt_do_while_expr(tnode_t *); 355 void stmt_for_exprs(tnode_t *, tnode_t *, tnode_t *); 356 void stmt_for_exprs_stmt(void); 357 void stmt_goto(sym_t *); 358 void stmt_continue(void); 359 void stmt_break(void); 360 void stmt_return(bool, tnode_t *); 361 void global_clean_up_decl(bool); 362 void handle_lint_comment(lint_comment, int); 363 364 /* 365 * init.c 366 */ 367 void begin_initialization(sym_t *); 368 void end_initialization(void); 369 sym_t *current_initsym(void); 370 371 void init_rbrace(void); 372 void init_lbrace(void); 373 void init_expr(tnode_t *); 374 void begin_designation(void); 375 void add_designator_member(sbuf_t *); 376 void add_designator_subscript(range_t); 377 void designation_push(designation *, designator_kind, const sym_t *, size_t); 378 379 /* 380 * emit.c 381 */ 382 void outtype(const type_t *); 383 void outsym(const sym_t *, scl_t, def_t); 384 void outfdef(const sym_t *, const pos_t *, bool, bool, const sym_t *); 385 void outcall(const tnode_t *, bool, bool); 386 void outusg(const sym_t *); 387 388 /* 389 * lex.c 390 */ 391 int lex_name(const char *, size_t); 392 int lex_integer_constant(const char *, size_t, int); 393 int lex_floating_constant(const char *, size_t); 394 int lex_operator(int, op_t); 395 int lex_string(void); 396 int lex_wide_string(void); 397 int lex_character_constant(void); 398 int lex_wide_character_constant(void); 399 void lex_directive(const char *); 400 void lex_next_line(void); 401 void lex_comment(void); 402 void lex_slash_slash_comment(void); 403 void lex_unknown_character(int); 404 int lex_input(void); 405 bool quoted_next(const buffer *, quoted_iterator *); 406 balanced_token_sequence lex_balanced(void); 407 408 /* 409 * ckbool.c 410 */ 411 bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 412 const tnode_t *, const tnode_t *); 413 bool fallback_symbol_strict_bool(sym_t *); 414 415 /* 416 * ckctype.c 417 */ 418 void check_ctype_function_call(const function_call *); 419 void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 420 421 /* 422 * ckgetopt.c 423 */ 424 void check_getopt_begin_while(const tnode_t *); 425 void check_getopt_begin_switch(void); 426 void check_getopt_case_label(int64_t); 427 void check_getopt_end_switch(void); 428 void check_getopt_end_while(void); 429 430 /* cksnprintb.c */ 431 void check_snprintb(const function_call *); 432
Indexes created Sun Sep 28 16:09:52 GMT 2025