externs1.h revision 1.115
1/* $NetBSD: externs1.h,v 1.115 2021/07/06 04:44:20 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 c11flag; 41extern bool dflag; 42extern bool eflag; 43extern bool Fflag; 44extern bool gflag; 45extern bool hflag; 46extern bool rflag; 47extern bool sflag; 48extern bool tflag; 49extern bool uflag; 50extern bool vflag; 51extern bool yflag; 52extern bool wflag; 53extern bool zflag; 54extern bool Sflag; 55extern bool Pflag; 56 57extern void norecover(void); 58 59/* 60 * cgram.y 61 */ 62extern int block_level; 63extern int mem_block_level; 64extern int yydebug; 65 66extern int yyerror(const char *); 67extern int yyparse(void); 68 69/* 70 * scan.l 71 */ 72extern bool attron; 73extern pos_t curr_pos; 74extern pos_t csrc_pos; 75extern bool in_system_header; 76extern symt_t symtyp; 77extern FILE *yyin; 78 79extern void initscan(void); 80extern int msb(int64_t, tspec_t, int); 81extern int64_t convert_integer(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 *const msgs[]; 120 121extern void msglist(void); 122extern void error_at(int, const pos_t *, ...); 123extern void warning_at(int, const pos_t *, ...); 124extern void message_at(int, const pos_t *, ...); 125extern void error(int, ...); 126extern void warning(int, ...); 127extern void message(int, ...); 128extern void gnuism(int, ...); 129extern void c99ism(int, ...); 130extern void c11ism(int, ...); 131extern void internal_error(const char *, int, const char *, ...) 132 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 133extern void assert_failed(const char *, int, const char *, const char *) 134 __attribute__((__noreturn__)); 135extern void update_location(const char *, int, bool, bool); 136 137/* 138 * decl.c 139 */ 140extern dinfo_t *dcs; 141extern const char *unnamed; 142extern int enumval; 143 144extern void initdecl(void); 145extern type_t *gettyp(tspec_t); 146extern type_t *dup_type(const type_t *); 147extern type_t *expr_dup_type(const type_t *); 148extern bool is_incomplete(const type_t *); 149extern void setcomplete(type_t *, bool); 150extern void add_storage_class(scl_t); 151extern void add_type(type_t *); 152extern void add_qualifier(tqual_t); 153extern void addpacked(void); 154extern void add_attr_used(void); 155extern void begin_declaration_level(scl_t); 156extern void end_declaration_level(void); 157extern void setasm(void); 158extern void clrtyp(void); 159extern void deftyp(void); 160extern int length(const type_t *, const char *); 161extern int alignment_in_bits(const type_t *); 162extern sym_t *lnklst(sym_t *, sym_t *); 163extern void check_type(sym_t *); 164extern sym_t *declarator_1_struct_union(sym_t *); 165extern sym_t *bitfield(sym_t *, int); 166extern qual_ptr *merge_qualified_pointer(qual_ptr *, qual_ptr *); 167extern sym_t *add_pointer(sym_t *, qual_ptr *); 168extern sym_t *add_array(sym_t *, bool, int); 169extern sym_t *add_function(sym_t *, sym_t *); 170extern void check_function_definition(sym_t *, bool); 171extern sym_t *declarator_name(sym_t *); 172extern sym_t *old_style_function_name(sym_t *); 173extern type_t *mktag(sym_t *, tspec_t, bool, bool); 174extern const char *storage_class_name(scl_t); 175extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 176extern type_t *complete_tag_enum(type_t *, sym_t *); 177extern sym_t *enumeration_constant(sym_t *, int, bool); 178extern void declare(sym_t *, bool, sbuf_t *); 179extern void copy_usage_info(sym_t *, sym_t *); 180extern bool check_redeclaration(sym_t *, bool *); 181extern bool eqptrtype(const type_t *, const type_t *, bool); 182extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 183extern void complete_type(sym_t *, sym_t *); 184extern sym_t *declare_argument(sym_t *, bool); 185extern void check_func_lint_directives(void); 186extern void check_func_old_style_arguments(void); 187 188extern void declare_local(sym_t *, bool); 189extern sym_t *abstract_name(void); 190extern void global_clean_up(void); 191extern sym_t *declare_1_abstract(sym_t *); 192extern void check_size(sym_t *); 193extern void mark_as_set(sym_t *); 194extern void mark_as_used(sym_t *, bool, bool); 195extern void check_usage(dinfo_t *); 196extern void check_usage_sym(bool, sym_t *); 197extern void check_global_symbols(void); 198extern void print_previous_declaration(int, const sym_t *); 199extern int to_int_constant(tnode_t *, bool); 200 201/* 202 * tree.c 203 */ 204extern const tnode_t *before_conversion(const tnode_t *); 205extern type_t *derive_type(type_t *, tspec_t); 206extern type_t *expr_derive_type(type_t *, tspec_t); 207extern tnode_t *expr_new_constant(type_t *, val_t *); 208extern tnode_t *new_name_node(sym_t *, int); 209extern tnode_t *new_string_node(strg_t *); 210extern sym_t *struct_or_union_member(tnode_t *, op_t, sym_t *); 211extern tnode_t *build_generic_selection(const tnode_t *, 212 struct generic_association *); 213 214extern tnode_t *build(op_t, tnode_t *, tnode_t *); 215extern tnode_t *cconv(tnode_t *); 216extern bool is_typeok_bool_operand(const tnode_t *); 217extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 218extern tnode_t *promote(op_t, bool, tnode_t *); 219extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 220extern void convert_constant(op_t, int, const type_t *, val_t *, val_t *); 221extern tnode_t *build_sizeof(const type_t *); 222extern tnode_t *build_offsetof(const type_t *, const sym_t *); 223extern tnode_t *build_alignof(const type_t *); 224extern tnode_t *cast(tnode_t *, type_t *); 225extern tnode_t *new_function_argument_node(tnode_t *, tnode_t *); 226extern tnode_t *new_function_call_node(tnode_t *, tnode_t *); 227extern val_t *constant(tnode_t *, bool); 228extern void expr(tnode_t *, bool, bool, bool, bool); 229extern void check_expr_misc(const tnode_t *, bool, bool, bool, 230 bool, bool, bool); 231extern bool constant_addr(const tnode_t *, const sym_t **, ptrdiff_t *); 232extern strg_t *cat_strings(strg_t *, strg_t *); 233extern int64_t type_size_in_bits(const type_t *); 234#ifdef DEBUG 235extern void debug_node(const tnode_t *, int); 236#else 237#define debug_node(tn, indent) do { } while (false) 238#endif 239 240/* 241 * func.c 242 */ 243extern sym_t *funcsym; 244extern bool reached; 245extern bool warn_about_unreachable; 246extern bool seen_fallthrough; 247extern int nargusg; 248extern pos_t argsused_pos; 249extern int nvararg; 250extern pos_t vapos; 251extern int printflike_argnum; 252extern pos_t printflike_pos; 253extern int scanflike_argnum; 254extern pos_t scanflike_pos; 255extern bool constcond_flag; 256extern bool llibflg; 257extern int lwarn; 258extern bool bitfieldtype_ok; 259extern bool plibflg; 260extern bool quadflg; 261 262extern void begin_control_statement(control_statement_kind); 263extern void end_control_statement(control_statement_kind); 264extern void check_statement_reachable(void); 265extern void funcdef(sym_t *); 266extern void funcend(void); 267extern void named_label(sym_t *); 268extern void case_label(tnode_t *); 269extern void default_label(void); 270extern void if1(tnode_t *); 271extern void if2(void); 272extern void if3(bool); 273extern void switch1(tnode_t *); 274extern void switch2(void); 275extern void while1(tnode_t *); 276extern void while2(void); 277extern void do1(void); 278extern void do2(tnode_t *); 279extern void for1(tnode_t *, tnode_t *, tnode_t *); 280extern void for2(void); 281extern void do_goto(sym_t *); 282extern void do_continue(void); 283extern void do_break(void); 284extern void do_return(tnode_t *); 285extern void global_clean_up_decl(bool); 286extern void argsused(int); 287extern void constcond(int); 288extern void fallthru(int); 289extern void not_reached(int); 290extern void lintlib(int); 291extern void linted(int); 292extern void varargs(int); 293extern void printflike(int); 294extern void scanflike(int); 295extern void protolib(int); 296extern void longlong(int); 297extern void bitfieldtype(int); 298 299/* 300 * init.c 301 */ 302extern void begin_initialization(sym_t *); 303extern void end_initialization(void); 304extern sym_t **current_initsym(void); 305 306extern void init_rbrace(void); 307extern void init_lbrace(void); 308extern void init_expr(tnode_t *); 309extern void add_designator_member(sbuf_t *); 310extern void add_designator_subscript(range_t); 311 312/* 313 * emit.c 314 */ 315extern void outtype(const type_t *); 316extern const char *ttos(const type_t *); 317extern void outsym(const sym_t *, scl_t, def_t); 318extern void outfdef(const sym_t *, const pos_t *, bool, bool, 319 const sym_t *); 320extern void outcall(const tnode_t *, bool, bool); 321extern void outusg(const sym_t *); 322 323/* 324 * lex.c 325 */ 326extern int lex_name(const char *, size_t); 327extern int lex_integer_constant(const char *, size_t, int); 328extern int lex_floating_constant(const char *, size_t); 329extern int lex_operator(int, op_t); 330extern int lex_string(void); 331extern int lex_wide_string(void); 332extern int lex_character_constant(void); 333extern int lex_wide_character_constant(void); 334extern void lex_directive(const char *); 335extern void lex_next_line(void); 336extern void lex_comment(void); 337extern void lex_slash_slash_comment(void); 338extern void lex_unknown_character(int); 339extern int lex_input(void); 340 341/* 342 * print.c 343 */ 344const char *scl_name(scl_t); 345 346/* 347 * ckbool.c 348 */ 349extern bool typeok_scalar_strict_bool(op_t, const mod_t *, int, 350 const tnode_t *, const tnode_t *); 351extern bool fallback_symbol_strict_bool(sym_t *); 352 353/* 354 * ckctype.c 355 */ 356extern void check_ctype_function_call(const tnode_t *, const tnode_t *); 357extern void check_ctype_macro_invocation(const tnode_t *, const tnode_t *); 358 359/* 360 * ckgetopt.c 361 */ 362extern void check_getopt_begin_while(const tnode_t *); 363extern void check_getopt_begin_switch(void); 364extern void check_getopt_case_label(int64_t); 365extern void check_getopt_end_switch(void); 366extern void check_getopt_end_while(void); 367