externs1.h revision 1.195
1 /* $NetBSD: externs1.h,v 1.195 2023/07/13 23:11:11 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 void *block_zero_alloc(size_t); 108 void *level_zero_alloc(size_t, size_t); 109 void level_free_all(size_t); 110 111 void *expr_zero_alloc(size_t); 112 tnode_t *expr_alloc_tnode(void); 113 void expr_free_all(void); 114 memory_pool expr_save_memory(void); 115 void expr_restore_memory(memory_pool); 116 117 /* 118 * debug.c 119 */ 120 121 #ifdef DEBUG 122 const char *decl_level_kind_name(decl_level_kind); 123 const char *scl_name(scl_t); 124 const char *symt_name(symt_t); 125 const char *type_qualifiers_string(type_qualifiers); 126 const char *function_specifier_name(function_specifier); 127 void debug_dcs(bool); 128 void debug_node(const tnode_t *); 129 void debug_type(const type_t *); 130 void debug_sym(const char *, const sym_t *, const char *); 131 void debug_symtab(void); 132 void debug_printf(const char *fmt, ...) __printflike(1, 2); 133 void debug_print_indent(void); 134 void debug_indent_inc(void); 135 void debug_indent_dec(void); 136 void debug_enter_func(const char *); 137 void debug_step(const char *fmt, ...) __printflike(1, 2); 138 void debug_leave_func(const char *); 139 #define debug_enter() debug_enter_func(__func__) 140 #define debug_leave() debug_leave_func(__func__) 141 #else 142 #define debug_noop() do { } while (false) 143 #define debug_dcs(all) debug_noop() 144 #define debug_sym(p, sym, s) debug_noop() 145 #define debug_symtab() debug_noop() 146 #define debug_node(tn) debug_noop() 147 #define debug_type(tp) debug_noop() 148 #define debug_printf(...) debug_noop() 149 #define debug_print_indent() debug_noop() 150 #define debug_indent_inc() debug_noop() 151 #define debug_indent_dec() debug_noop() 152 #define debug_enter() debug_noop() 153 #define debug_step(...) debug_noop() 154 #define debug_leave() debug_noop() 155 #endif 156 157 /* 158 * err.c 159 */ 160 extern bool seen_error; 161 extern bool seen_warning; 162 extern int sytxerr; 163 extern bool any_query_enabled; 164 165 void msglist(void); 166 void error_at(int, const pos_t *, ...); 167 void warning_at(int, const pos_t *, ...); 168 void message_at(int, const pos_t *, ...); 169 void error(int, ...); 170 void warning(int, ...); 171 bool gnuism(int, ...); 172 void c99ism(int, ...); 173 void c11ism(int, ...); 174 void c23ism(int, ...); 175 void assert_failed(const char *, int, const char *, const char *) 176 __attribute__((__noreturn__)); 177 void update_location(const char *, int, bool, bool); 178 void suppress_messages(const char *); 179 180 void query_message(int, ...); 181 void enable_queries(const char *); 182 183 /* 184 * decl.c 185 */ 186 extern decl_level *dcs; 187 extern const char unnamed[]; 188 extern int enumval; 189 190 void initdecl(void); 191 type_t *gettyp(tspec_t); 192 type_t *block_dup_type(const type_t *); 193 type_t *expr_dup_type(const type_t *); 194 type_t *expr_unqualified_type(const type_t *); 195 bool is_incomplete(const type_t *); 196 void dcs_add_function_specifier(function_specifier); 197 void dcs_add_storage_class(scl_t); 198 void dcs_add_type(type_t *); 199 void dcs_add_qualifiers(type_qualifiers); 200 void dcs_add_packed(void); 201 void dcs_set_used(void); 202 void begin_declaration_level(decl_level_kind); 203 void end_declaration_level(void); 204 void dcs_set_asm(void); 205 void dcs_begin_type(void); 206 void dcs_end_type(void); 207 int length_in_bits(const type_t *, const char *); 208 unsigned int alignment_in_bits(const type_t *); 209 sym_t *concat_symbols(sym_t *, sym_t *); 210 void check_type(sym_t *); 211 sym_t *declare_unnamed_member(void); 212 sym_t *declare_member(sym_t *); 213 sym_t *set_bit_field_width(sym_t *, int); 214 void add_type_qualifiers(type_qualifiers *, type_qualifiers); 215 qual_ptr *append_qualified_pointer(qual_ptr *, qual_ptr *); 216 sym_t *add_pointer(sym_t *, qual_ptr *); 217 sym_t *add_array(sym_t *, bool, int); 218 sym_t *add_function(sym_t *, sym_t *); 219 void check_extern_declaration(const sym_t *); 220 void check_function_definition(sym_t *, bool); 221 sym_t *declarator_name(sym_t *); 222 sym_t *old_style_function_parameter_name(sym_t *); 223 type_t *make_tag_type(sym_t *, tspec_t, bool, bool); 224 const char *storage_class_name(scl_t); 225 type_t *complete_struct_or_union(sym_t *); 226 type_t *complete_enum(sym_t *); 227 sym_t *enumeration_constant(sym_t *, int, bool); 228 void declare(sym_t *, bool, sbuf_t *); 229 void copy_usage_info(sym_t *, sym_t *); 230 bool check_redeclaration(sym_t *, bool *); 231 bool pointer_types_are_compatible(const type_t *, const type_t *, bool); 232 bool types_compatible(const type_t *, const type_t *, bool, bool, bool *); 233 void complete_type(sym_t *, sym_t *); 234 sym_t *declare_argument(sym_t *, bool); 235 void check_func_lint_directives(void); 236 void check_func_old_style_arguments(void); 237 238 void declare_local(sym_t *, bool); 239 sym_t *abstract_name(void); 240 void global_clean_up(void); 241 sym_t *declare_abstract_type(sym_t *); 242 void check_size(sym_t *); 243 void mark_as_set(sym_t *); 244 void mark_as_used(sym_t *, bool, bool); 245 void check_usage(decl_level *); 246 void check_usage_sym(bool, sym_t *); 247 void check_global_symbols(void); 248 void print_previous_declaration(const sym_t *); 249 int to_int_constant(tnode_t *, bool); 250 251 /* 252 * tree.c 253 */ 254 const tnode_t *before_conversion(const tnode_t *); 255 type_t *block_derive_type(type_t *, tspec_t); 256 type_t *expr_derive_type(type_t *, tspec_t); 257 bool is_compiler_builtin(const char *); 258 tnode_t *build_constant(type_t *, val_t *); 259 tnode_t *build_name(sym_t *, bool); 260 tnode_t *build_string(strg_t *); 261 tnode_t *build_generic_selection(const tnode_t *, 262 struct generic_association *); 263 264 tnode_t *build_binary(tnode_t *, op_t, bool, tnode_t *); 265 tnode_t *build_unary(op_t, bool, tnode_t *); 266 tnode_t *build_member_access(tnode_t *, op_t, bool, sbuf_t *); 267 tnode_t *cconv(tnode_t *); 268 bool is_typeok_bool_compares_with_zero(const tnode_t *); 269 bool typeok(op_t, int, const tnode_t *, const tnode_t *); 270 tnode_t *promote(op_t, bool, tnode_t *); 271 tnode_t *convert(op_t, int, type_t *, tnode_t *); 272 void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 273 tnode_t *build_sizeof(const type_t *); 274 tnode_t *build_offsetof(const type_t *, const sym_t *); 275 tnode_t *build_alignof(const type_t *); 276 tnode_t *cast(tnode_t *, type_t *); 277 tnode_t *build_function_argument(tnode_t *, tnode_t *); 278 tnode_t *build_function_call(tnode_t *, bool, tnode_t *); 279 val_t *integer_constant(tnode_t *, bool); 280 void expr(tnode_t *, bool, bool, bool, bool); 281 void check_expr_misc(const tnode_t *, bool, bool, bool, bool, bool, bool); 282 bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 283 strg_t *cat_strings(strg_t *, strg_t *); 284 unsigned int type_size_in_bits(const type_t *); 285 sym_t *find_member(const type_t *, const char *); 286 287 void begin_statement_expr(void); 288 void do_statement_expr(tnode_t *); 289 tnode_t *end_statement_expr(void); 290 291 /* 292 * func.c 293 */ 294 extern sym_t *funcsym; 295 extern bool reached; 296 extern bool warn_about_unreachable; 297 extern bool suppress_fallthrough; 298 extern int nargusg; 299 extern pos_t argsused_pos; 300 extern int nvararg; 301 extern pos_t vapos; 302 extern int printflike_argnum; 303 extern pos_t printflike_pos; 304 extern int scanflike_argnum; 305 extern pos_t scanflike_pos; 306 extern bool suppress_constcond; 307 extern bool llibflg; 308 extern int lwarn; 309 extern bool suppress_bitfieldtype; 310 extern bool plibflg; 311 extern bool suppress_longlong; 312 313 void begin_control_statement(control_statement_kind); 314 void end_control_statement(control_statement_kind); 315 void check_statement_reachable(void); 316 void begin_function(sym_t *); 317 void end_function(void); 318 void named_label(sym_t *); 319 void case_label(tnode_t *); 320 void default_label(void); 321 void stmt_if_expr(tnode_t *); 322 void stmt_if_then_stmt(void); 323 void stmt_if_else_stmt(bool); 324 void stmt_switch_expr(tnode_t *); 325 void stmt_switch_expr_stmt(void); 326 void stmt_while_expr(tnode_t *); 327 void stmt_while_expr_stmt(void); 328 void stmt_do(void); 329 void stmt_do_while_expr(tnode_t *); 330 void stmt_for_exprs(tnode_t *, tnode_t *, tnode_t *); 331 void stmt_for_exprs_stmt(void); 332 void stmt_goto(sym_t *); 333 void stmt_continue(void); 334 void stmt_break(void); 335 void stmt_return(bool, tnode_t *); 336 void global_clean_up_decl(bool); 337 void handle_lint_comment(lint_comment, int); 338 339 /* 340 * init.c 341 */ 342 void begin_initialization(sym_t *); 343 void end_initialization(void); 344 sym_t *current_initsym(void); 345 346 void init_rbrace(void); 347 void init_lbrace(void); 348 void init_expr(tnode_t *); 349 void begin_designation(void); 350 void add_designator_member(sbuf_t *); 351 void add_designator_subscript(range_t); 352 353 /* 354 * emit.c 355 */ 356 void outtype(const type_t *); 357 void outsym(const sym_t *, scl_t, def_t); 358 void outfdef(const sym_t *, const pos_t *, bool, bool, const sym_t *); 359 void outcall(const tnode_t *, bool, bool); 360 void outusg(const sym_t *); 361 362 /* 363 * lex.c 364 */ 365 int lex_name(const char *, size_t); 366 int lex_integer_constant(const char *, size_t, int); 367 int lex_floating_constant(const char *, size_t); 368 int lex_operator(int, op_t); 369 int lex_string(void); 370 int lex_wide_string(void); 371 int lex_character_constant(void); 372 int lex_wide_character_constant(void); 373 void lex_directive(const char *); 374 void lex_next_line(void); 375 void lex_comment(void); 376 void lex_slash_slash_comment(void); 377 void lex_unknown_character(int); 378 int lex_input(void); 379 380 /* 381 * ckbool.c 382 */ 383 bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 384 const tnode_t *, const tnode_t *); 385 bool fallback_symbol_strict_bool(sym_t *); 386 387 /* 388 * ckctype.c 389 */ 390 void check_ctype_function_call(const tnode_t *, const tnode_t *); 391 void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 392 393 /* 394 * ckgetopt.c 395 */ 396 void check_getopt_begin_while(const tnode_t *); 397 void check_getopt_begin_switch(void); 398 void check_getopt_case_label(int64_t); 399 void check_getopt_end_switch(void); 400 void check_getopt_end_while(void); 401
Indexes created Tue Sep 23 22:09:46 GMT 2025