externs1.h revision 1.197
1 /* $NetBSD: externs1.h,v 1.197 2023/07/15 13:51:36 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 int aflag; 40 extern bool bflag; 41 extern bool cflag; 42 extern bool eflag; 43 extern bool Fflag; 44 extern bool hflag; 45 extern bool pflag; 46 extern bool rflag; 47 extern bool uflag; 48 extern bool vflag; 49 extern bool yflag; 50 extern bool wflag; 51 extern bool zflag; 52 extern bool Tflag; 53 extern bool Pflag; 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 76 /* 77 * scan.l 78 */ 79 extern bool in_gcc_attribute; 80 extern pos_t curr_pos; 81 extern pos_t csrc_pos; 82 extern bool in_system_header; 83 extern symt_t symtyp; 84 extern FILE *yyin; 85 86 void initscan(void); 87 int64_t convert_integer(int64_t, tspec_t, unsigned int); 88 void clear_warn_flags(void); 89 sym_t *getsym(sbuf_t *); 90 void clean_up_after_error(void); 91 sym_t *pushdown(const sym_t *); 92 sym_t *mktempsym(type_t *); 93 void rmsym(sym_t *); 94 void symtab_remove_level(sym_t *); 95 void inssym(int, sym_t *); 96 void freeyyv(void *, int); 97 int yylex(void); 98 99 /* 100 * mem1.c 101 */ 102 const char *record_filename(const char *, size_t); 103 int get_filename_id(const char *); 104 void add_directory_replacement(char *); 105 const char *transform_filename(const char *, size_t); 106 107 #ifdef DEBUG_MEM 108 void *block_zero_alloc(size_t, const char *); 109 void *level_zero_alloc(size_t, size_t, const char *); 110 #else 111 void *block_zero_alloc(size_t); 112 void *level_zero_alloc(size_t, size_t); 113 #define block_zero_alloc(size, descr) (block_zero_alloc)(size) 114 #define level_zero_alloc(level, size, descr) (level_zero_alloc)(level, size) 115 #endif 116 void level_free_all(size_t); 117 118 #ifdef DEBUG_MEM 119 void *expr_zero_alloc(size_t, const char *); 120 #else 121 void *expr_zero_alloc(size_t); 122 #define expr_zero_alloc(size, descr) (expr_zero_alloc)(size) 123 #endif 124 tnode_t *expr_alloc_tnode(void); 125 void expr_free_all(void); 126 memory_pool expr_save_memory(void); 127 void expr_restore_memory(memory_pool); 128 129 /* 130 * debug.c 131 */ 132 133 #ifdef DEBUG 134 const char *decl_level_kind_name(decl_level_kind); 135 const char *scl_name(scl_t); 136 const char *symt_name(symt_t); 137 const char *type_qualifiers_string(type_qualifiers); 138 const char *function_specifier_name(function_specifier); 139 void debug_dcs(bool); 140 void debug_node(const tnode_t *); 141 void debug_type(const type_t *); 142 void debug_sym(const char *, const sym_t *, const char *); 143 void debug_symtab(void); 144 void debug_printf(const char *fmt, ...) __printflike(1, 2); 145 void debug_print_indent(void); 146 void debug_indent_inc(void); 147 void debug_indent_dec(void); 148 void debug_enter_func(const char *); 149 void debug_step(const char *fmt, ...) __printflike(1, 2); 150 void debug_leave_func(const char *); 151 #define debug_enter() debug_enter_func(__func__) 152 #define debug_leave() debug_leave_func(__func__) 153 #else 154 #define debug_noop() do { } while (false) 155 #define debug_dcs(all) debug_noop() 156 #define debug_sym(p, sym, s) debug_noop() 157 #define debug_symtab() debug_noop() 158 #define debug_node(tn) debug_noop() 159 #define debug_type(tp) debug_noop() 160 #define debug_printf(...) debug_noop() 161 #define debug_print_indent() debug_noop() 162 #define debug_indent_inc() debug_noop() 163 #define debug_indent_dec() debug_noop() 164 #define debug_enter() debug_noop() 165 #define debug_step(...) debug_noop() 166 #define debug_leave() debug_noop() 167 #endif 168 169 /* 170 * err.c 171 */ 172 extern bool seen_error; 173 extern bool seen_warning; 174 extern int sytxerr; 175 extern bool any_query_enabled; 176 177 void msglist(void); 178 void error_at(int, const pos_t *, ...); 179 void warning_at(int, const pos_t *, ...); 180 void message_at(int, const pos_t *, ...); 181 void error(int, ...); 182 void warning(int, ...); 183 bool gnuism(int, ...); 184 void c99ism(int, ...); 185 void c11ism(int, ...); 186 void c23ism(int, ...); 187 void assert_failed(const char *, int, const char *, const char *) 188 __attribute__((__noreturn__)); 189 void update_location(const char *, int, bool, bool); 190 void suppress_messages(const char *); 191 192 void query_message(int, ...); 193 void enable_queries(const char *); 194 195 /* 196 * decl.c 197 */ 198 extern decl_level *dcs; 199 extern const char unnamed[]; 200 extern int enumval; 201 202 void initdecl(void); 203 type_t *gettyp(tspec_t); 204 type_t *block_dup_type(const type_t *); 205 type_t *expr_dup_type(const type_t *); 206 type_t *expr_unqualified_type(const type_t *); 207 bool is_incomplete(const type_t *); 208 void dcs_add_function_specifier(function_specifier); 209 void dcs_add_storage_class(scl_t); 210 void dcs_add_type(type_t *); 211 void dcs_add_qualifiers(type_qualifiers); 212 void dcs_add_packed(void); 213 void dcs_set_used(void); 214 void begin_declaration_level(decl_level_kind); 215 void end_declaration_level(void); 216 void dcs_set_asm(void); 217 void dcs_begin_type(void); 218 void dcs_end_type(void); 219 int length_in_bits(const type_t *, const char *); 220 unsigned int alignment_in_bits(const type_t *); 221 sym_t *concat_symbols(sym_t *, sym_t *); 222 void check_type(sym_t *); 223 sym_t *declare_unnamed_member(void); 224 sym_t *declare_member(sym_t *); 225 sym_t *set_bit_field_width(sym_t *, int); 226 void add_type_qualifiers(type_qualifiers *, type_qualifiers); 227 qual_ptr *append_qualified_pointer(qual_ptr *, qual_ptr *); 228 sym_t *add_pointer(sym_t *, qual_ptr *); 229 sym_t *add_array(sym_t *, bool, int); 230 sym_t *add_function(sym_t *, sym_t *); 231 void check_extern_declaration(const sym_t *); 232 void check_function_definition(sym_t *, bool); 233 sym_t *declarator_name(sym_t *); 234 sym_t *old_style_function_parameter_name(sym_t *); 235 type_t *make_tag_type(sym_t *, tspec_t, bool, bool); 236 const char *storage_class_name(scl_t); 237 type_t *complete_struct_or_union(sym_t *); 238 type_t *complete_enum(sym_t *); 239 sym_t *enumeration_constant(sym_t *, int, bool); 240 void declare(sym_t *, bool, sbuf_t *); 241 void copy_usage_info(sym_t *, sym_t *); 242 bool check_redeclaration(sym_t *, bool *); 243 bool pointer_types_are_compatible(const type_t *, const type_t *, bool); 244 bool types_compatible(const type_t *, const type_t *, bool, bool, bool *); 245 void complete_type(sym_t *, sym_t *); 246 sym_t *declare_argument(sym_t *, bool); 247 void check_func_lint_directives(void); 248 void check_func_old_style_arguments(void); 249 250 void declare_local(sym_t *, bool); 251 sym_t *abstract_name(void); 252 void global_clean_up(void); 253 sym_t *declare_abstract_type(sym_t *); 254 void check_size(sym_t *); 255 void mark_as_set(sym_t *); 256 void mark_as_used(sym_t *, bool, bool); 257 void check_usage(decl_level *); 258 void check_usage_sym(bool, sym_t *); 259 void check_global_symbols(void); 260 void print_previous_declaration(const sym_t *); 261 int to_int_constant(tnode_t *, bool); 262 263 /* 264 * tree.c 265 */ 266 const tnode_t *before_conversion(const tnode_t *); 267 type_t *block_derive_type(type_t *, tspec_t); 268 type_t *expr_derive_type(type_t *, tspec_t); 269 bool is_compiler_builtin(const char *); 270 tnode_t *build_constant(type_t *, val_t *); 271 tnode_t *build_name(sym_t *, bool); 272 tnode_t *build_string(strg_t *); 273 tnode_t *build_generic_selection(const tnode_t *, 274 struct generic_association *); 275 276 tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 277 tnode_t *build_unary(op_t, bool, tnode_t *); 278 tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 279 tnode_t *cconv(tnode_t *); 280 bool is_typeok_bool_compares_with_zero(const tnode_t *); 281 bool typeok(op_t, int, const tnode_t *, const tnode_t *); 282 tnode_t *promote(op_t, bool, tnode_t *); 283 tnode_t *convert(op_t, int, type_t *, tnode_t *); 284 void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 285 tnode_t *build_sizeof(const type_t *); 286 tnode_t *build_offsetof(const type_t *, const sym_t *); 287 tnode_t *build_alignof(const type_t *); 288 tnode_t *cast(tnode_t *, type_t *); 289 tnode_t *build_function_argument(tnode_t *, tnode_t *); 290 tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 291 val_t *integer_constant(tnode_t *, bool); 292 void expr(tnode_t *, bool, bool, bool, bool); 293 void check_expr_misc(const tnode_t *, bool, bool, bool, bool, bool, bool); 294 bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 295 strg_t *cat_strings(strg_t *, strg_t *); 296 unsigned int type_size_in_bits(const type_t *); 297 sym_t *find_member(const type_t *, const char *); 298 299 void begin_statement_expr(void); 300 void do_statement_expr(tnode_t *); 301 tnode_t *end_statement_expr(void); 302 bool in_statement_expr(void); 303 304 /* 305 * func.c 306 */ 307 extern sym_t *funcsym; 308 extern bool reached; 309 extern bool warn_about_unreachable; 310 extern bool suppress_fallthrough; 311 extern int nargusg; 312 extern pos_t argsused_pos; 313 extern int nvararg; 314 extern pos_t vapos; 315 extern int printflike_argnum; 316 extern pos_t printflike_pos; 317 extern int scanflike_argnum; 318 extern pos_t scanflike_pos; 319 extern bool suppress_constcond; 320 extern bool llibflg; 321 extern int lwarn; 322 extern bool suppress_bitfieldtype; 323 extern bool plibflg; 324 extern bool suppress_longlong; 325 326 void begin_control_statement(control_statement_kind); 327 void end_control_statement(control_statement_kind); 328 void check_statement_reachable(void); 329 void begin_function(sym_t *); 330 void end_function(void); 331 void named_label(sym_t *); 332 void case_label(tnode_t *); 333 void default_label(void); 334 void stmt_if_expr(tnode_t *); 335 void stmt_if_then_stmt(void); 336 void stmt_if_else_stmt(bool); 337 void stmt_switch_expr(tnode_t *); 338 void stmt_switch_expr_stmt(void); 339 void stmt_while_expr(tnode_t *); 340 void stmt_while_expr_stmt(void); 341 void stmt_do(void); 342 void stmt_do_while_expr(tnode_t *); 343 void stmt_for_exprs(tnode_t *, tnode_t *, tnode_t *); 344 void stmt_for_exprs_stmt(void); 345 void stmt_goto(sym_t *); 346 void stmt_continue(void); 347 void stmt_break(void); 348 void stmt_return(bool, tnode_t *); 349 void global_clean_up_decl(bool); 350 void handle_lint_comment(lint_comment, int); 351 352 /* 353 * init.c 354 */ 355 void begin_initialization(sym_t *); 356 void end_initialization(void); 357 sym_t *current_initsym(void); 358 359 void init_rbrace(void); 360 void init_lbrace(void); 361 void init_expr(tnode_t *); 362 void begin_designation(void); 363 void add_designator_member(sbuf_t *); 364 void add_designator_subscript(range_t); 365 366 /* 367 * emit.c 368 */ 369 void outtype(const type_t *); 370 void outsym(const sym_t *, scl_t, def_t); 371 void outfdef(const sym_t *, const pos_t *, bool, bool, const sym_t *); 372 void outcall(const tnode_t *, bool, bool); 373 void outusg(const sym_t *); 374 375 /* 376 * lex.c 377 */ 378 int lex_name(const char *, size_t); 379 int lex_integer_constant(const char *, size_t, int); 380 int lex_floating_constant(const char *, size_t); 381 int lex_operator(int, op_t); 382 int lex_string(void); 383 int lex_wide_string(void); 384 int lex_character_constant(void); 385 int lex_wide_character_constant(void); 386 void lex_directive(const char *); 387 void lex_next_line(void); 388 void lex_comment(void); 389 void lex_slash_slash_comment(void); 390 void lex_unknown_character(int); 391 int lex_input(void); 392 393 /* 394 * ckbool.c 395 */ 396 bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 397 const tnode_t *, const tnode_t *); 398 bool fallback_symbol_strict_bool(sym_t *); 399 400 /* 401 * ckctype.c 402 */ 403 void check_ctype_function_call(const tnode_t *, const tnode_t *); 404 void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 405 406 /* 407 * ckgetopt.c 408 */ 409 void check_getopt_begin_while(const tnode_t *); 410 void check_getopt_begin_switch(void); 411 void check_getopt_case_label(int64_t); 412 void check_getopt_end_switch(void); 413 void check_getopt_end_while(void); 414
Indexes created Thu Sep 25 16:09:42 GMT 2025