externs1.h revision 1.102
1/* $NetBSD: externs1.h,v 1.102 2021/04/08 22:18:27 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 */ 37extern int aflag; 38extern bool bflag; 39extern bool cflag; 40extern bool dflag; 41extern bool eflag; 42extern bool Fflag; 43extern bool gflag; 44extern bool hflag; 45extern bool rflag; 46extern bool sflag; 47extern bool tflag; 48extern bool uflag; 49extern bool vflag; 50extern bool yflag; 51extern bool wflag; 52extern bool zflag; 53extern bool Sflag; 54extern bool Pflag; 55 56extern void norecover(void); 57 58/* 59 * cgram.y 60 */ 61extern int block_level; 62extern int mem_block_level; 63extern int yydebug; 64 65extern int yyerror(const char *); 66extern int yyparse(void); 67 68/* 69 * scan.l 70 */ 71extern bool attron; 72extern pos_t curr_pos; 73extern pos_t csrc_pos; 74extern bool in_system_header; 75extern symt_t symtyp; 76extern FILE *yyin; 77extern uint64_t qbmasks[], qlmasks[], qumasks[]; 78 79extern void initscan(void); 80extern int msb(int64_t, tspec_t, int); 81extern int64_t xsign(int64_t, tspec_t, int); 82extern void clear_warn_flags(void); 83extern sym_t *getsym(sbuf_t *); 84extern void cleanup(void); 85extern sym_t *pushdown(const sym_t *); 86extern sym_t *mktempsym(type_t *); 87extern void rmsym(sym_t *); 88extern void rmsyms(sym_t *); 89extern void inssym(int, sym_t *); 90extern void freeyyv(void *, int); 91extern int yylex(void); 92 93/* 94 * mem1.c 95 */ 96extern const char *record_filename(const char *, size_t); 97extern int get_filename_id(const char *); 98extern void add_directory_replacement(char *); 99extern const char *transform_filename(const char *, size_t); 100 101extern void initmem(void); 102 103extern void *getblk(size_t); 104extern void *getlblk(size_t, size_t); 105extern void freeblk(void); 106extern void freelblk(int); 107 108extern void *expr_zalloc(size_t); 109extern tnode_t *expr_zalloc_tnode(void); 110extern void expr_free_all(void); 111extern struct memory_block *expr_save_memory(void); 112extern void expr_restore_memory(struct memory_block *); 113 114/* 115 * err.c 116 */ 117extern int nerr; 118extern int sytxerr; 119extern const char *msgs[]; 120 121extern void msglist(void); 122extern void error(int, ...); 123extern void warning(int, ...); 124extern void message(int, ...); 125extern void gnuism(int, ...); 126extern void c99ism(int, ...); 127extern void internal_error(const char *, int, const char *, ...) 128 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 129extern void assert_failed(const char *, int, const char *, const char *) 130 __attribute__((__noreturn__)); 131extern void update_position(const char *, int, bool, bool, bool); 132 133/* 134 * decl.c 135 */ 136extern dinfo_t *dcs; 137extern const char *unnamed; 138extern int enumval; 139 140extern void initdecl(void); 141extern type_t *gettyp(tspec_t); 142extern type_t *dup_type(const type_t *); 143extern type_t *expr_dup_type(const type_t *); 144extern bool is_incomplete(const type_t *); 145extern void setcomplete(type_t *, bool); 146extern void add_storage_class(scl_t); 147extern void add_type(type_t *); 148extern void add_qualifier(tqual_t); 149extern void addpacked(void); 150extern void add_attr_used(void); 151extern void begin_declaration_level(scl_t); 152extern void end_declaration_level(void); 153extern void setasm(void); 154extern void clrtyp(void); 155extern void deftyp(void); 156extern int length(const type_t *, const char *); 157extern int alignment_in_bits(const type_t *); 158extern sym_t *lnklst(sym_t *, sym_t *); 159extern void check_type(sym_t *); 160extern sym_t *declarator_1_struct_union(sym_t *); 161extern sym_t *bitfield(sym_t *, int); 162extern pqinf_t *merge_pointers_and_qualifiers(pqinf_t *, pqinf_t *); 163extern sym_t *add_pointer(sym_t *, pqinf_t *); 164extern sym_t *add_array(sym_t *, bool, int); 165extern sym_t *add_function(sym_t *, sym_t *); 166extern void check_function_definition(sym_t *, bool); 167extern sym_t *declarator_name(sym_t *); 168extern sym_t *old_style_function_name(sym_t *); 169extern type_t *mktag(sym_t *, tspec_t, bool, bool); 170extern const char *storage_class_name(scl_t); 171extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 172extern type_t *complete_tag_enum(type_t *, sym_t *); 173extern sym_t *enumeration_constant(sym_t *, int, bool); 174extern void declare(sym_t *, bool, sbuf_t *); 175extern void copy_usage_info(sym_t *, sym_t *); 176extern bool check_redeclaration(sym_t *, bool *); 177extern bool eqptrtype(const type_t *, const type_t *, bool); 178extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 179extern void complete_type(sym_t *, sym_t *); 180extern sym_t *declare_argument(sym_t *, bool); 181extern void check_func_lint_directives(void); 182extern void check_func_old_style_arguments(void); 183 184extern void declare_local(sym_t *, bool); 185extern sym_t *abstract_name(void); 186extern void global_clean_up(void); 187extern sym_t *declare_1_abstract(sym_t *); 188extern void check_size(sym_t *); 189extern void mark_as_set(sym_t *); 190extern void mark_as_used(sym_t *, bool, bool); 191extern void check_usage(dinfo_t *); 192extern void check_usage_sym(bool, sym_t *); 193extern void check_global_symbols(void); 194extern void print_previous_declaration(int, const sym_t *); 195extern int to_int_constant(tnode_t *, bool); 196 197/* 198 * tree.c 199 */ 200extern const tnode_t *before_conversion(const tnode_t *); 201extern type_t *derive_type(type_t *, tspec_t); 202extern type_t *expr_derive_type(type_t *, tspec_t); 203extern tnode_t *expr_new_constant(type_t *, val_t *); 204extern tnode_t *new_name_node(sym_t *, int); 205extern tnode_t *new_string_node(strg_t *); 206extern sym_t *struct_or_union_member(tnode_t *, op_t, sym_t *); 207extern tnode_t *build(op_t, tnode_t *, tnode_t *); 208extern tnode_t *cconv(tnode_t *); 209extern bool is_typeok_bool_operand(const tnode_t *); 210extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 211extern tnode_t *promote(op_t, bool, tnode_t *); 212extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 213extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 214extern tnode_t *build_sizeof(const type_t *); 215extern tnode_t *build_offsetof(const type_t *, const sym_t *); 216extern tnode_t *build_alignof(const type_t *); 217extern tnode_t *cast(tnode_t *, type_t *); 218extern tnode_t *new_function_argument_node(tnode_t *, tnode_t *); 219extern tnode_t *new_function_call_node(tnode_t *, tnode_t *); 220extern val_t *constant(tnode_t *, bool); 221extern void expr(tnode_t *, bool, bool, bool, bool); 222extern void check_expr_misc(const tnode_t *, bool, bool, bool, 223 bool, bool, bool); 224extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 225extern strg_t *cat_strings(strg_t *, strg_t *); 226extern int64_t type_size_in_bits(const type_t *); 227#ifdef DEBUG 228extern void debug_node(const tnode_t *, int); 229#else 230#define debug_node(tn, indent) do { } while (false) 231#endif 232 233/* 234 * func.c 235 */ 236extern sym_t *funcsym; 237extern bool reached; 238extern bool warn_about_unreachable; 239extern bool seen_fallthrough; 240extern int nargusg; 241extern pos_t argsused_pos; 242extern int nvararg; 243extern pos_t vapos; 244extern int printflike_argnum; 245extern pos_t printflike_pos; 246extern int scanflike_argnum; 247extern pos_t scanflike_pos; 248extern bool constcond_flag; 249extern bool llibflg; 250extern int lwarn; 251extern bool bitfieldtype_ok; 252extern bool plibflg; 253extern bool quadflg; 254 255extern void begin_control_statement(control_statement_kind); 256extern void end_control_statement(control_statement_kind); 257extern void check_statement_reachable(void); 258extern void funcdef(sym_t *); 259extern void funcend(void); 260extern void named_label(sym_t *); 261extern void case_label(tnode_t *); 262extern void default_label(void); 263extern void if1(tnode_t *); 264extern void if2(void); 265extern void if3(bool); 266extern void switch1(tnode_t *); 267extern void switch2(void); 268extern void while1(tnode_t *); 269extern void while2(void); 270extern void do1(void); 271extern void do2(tnode_t *); 272extern void for1(tnode_t *, tnode_t *, tnode_t *); 273extern void for2(void); 274extern void do_goto(sym_t *); 275extern void do_continue(void); 276extern void do_break(void); 277extern void do_return(tnode_t *); 278extern void global_clean_up_decl(bool); 279extern void argsused(int); 280extern void constcond(int); 281extern void fallthru(int); 282extern void not_reached(int); 283extern void lintlib(int); 284extern void linted(int); 285extern void varargs(int); 286extern void printflike(int); 287extern void scanflike(int); 288extern void protolib(int); 289extern void longlong(int); 290extern void bitfieldtype(int); 291 292/* 293 * init.c 294 */ 295extern void begin_initialization(sym_t *); 296extern void end_initialization(void); 297extern sym_t **current_initsym(void); 298 299extern void init_rbrace(void); 300extern void init_lbrace(void); 301extern void init_expr(tnode_t *); 302extern void add_designator_member(sbuf_t *); 303extern void add_designator_subscript(range_t); 304 305/* 306 * emit.c 307 */ 308extern void outtype(const type_t *); 309extern const char *ttos(const type_t *); 310extern void outsym(const sym_t *, scl_t, def_t); 311extern void outfdef(const sym_t *, const pos_t *, bool, bool, 312 const sym_t *); 313extern void outcall(const tnode_t *, bool, bool); 314extern void outusg(const sym_t *); 315 316/* 317 * lex.c 318 */ 319extern int lex_name(const char *, size_t); 320extern int lex_integer_constant(const char *, size_t, int); 321extern int lex_floating_constant(const char *, size_t); 322extern int lex_operator(int, op_t); 323extern int lex_string(void); 324extern int lex_wide_string(void); 325extern int lex_character_constant(void); 326extern int lex_wide_character_constant(void); 327extern void lex_directive(const char *); 328extern void lex_next_line(void); 329extern void lex_comment(void); 330extern void lex_slash_slash_comment(void); 331extern void lex_unknown_character(int); 332extern int lex_input(void); 333 334/* 335 * print.c 336 */ 337extern char *print_tnode(char *, size_t, const tnode_t *); 338 339/* 340 * ckbool.c 341 */ 342extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 343 const tnode_t *, const tnode_t *); 344extern bool fallback_symbol_strict_bool(sym_t *); 345 346/* 347 * ckctype.c 348 */ 349extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 350extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 351 352/* 353 * ckgetopt.c 354 */ 355extern void check_getopt_begin_while(const tnode_t *); 356extern void check_getopt_begin_switch(void); 357extern void check_getopt_case_label(int64_t); 358extern void check_getopt_end_switch(void); 359extern void check_getopt_end_while(void); 360