externs1.h revision 1.61
1/* $NetBSD: externs1.h,v 1.61 2021/01/23 22:20:17 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 blklev; 62extern int mblklev; 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 sign(int64_t, tspec_t, int); 81extern int msb(int64_t, tspec_t, int); 82extern int64_t xsign(int64_t, tspec_t, int); 83extern void clear_warn_flags(void); 84extern sym_t *getsym(sbuf_t *); 85extern void cleanup(void); 86extern sym_t *pushdown(sym_t *); 87extern sym_t *mktempsym(type_t *); 88extern void rmsym(sym_t *); 89extern void rmsyms(sym_t *); 90extern void inssym(int, sym_t *); 91extern void freeyyv(void *, int); 92extern int yylex(void); 93 94/* 95 * mem1.c 96 */ 97extern const char *fnalloc(const char *); 98extern const char *fnnalloc(const char *, size_t); 99extern int getfnid(const char *); 100extern void fnaddreplsrcdir(char *); 101extern const char *fnxform(const char *, size_t); 102 103extern void initmem(void); 104 105extern void *getblk(size_t); 106extern void *getlblk(size_t, size_t); 107extern void freeblk(void); 108extern void freelblk(int); 109 110extern void *tgetblk(size_t); 111extern tnode_t *getnode(void); 112extern void tfreeblk(void); 113extern struct mbl *tsave(void); 114extern void trestor(struct mbl *); 115 116/* 117 * err.c 118 */ 119extern int nerr; 120extern int sytxerr; 121extern const char *msgs[]; 122 123extern void msglist(void); 124extern void error(int, ...); 125extern void warning(int, ...); 126extern void message(int, ...); 127extern void gnuism(int, ...); 128extern void c99ism(int, ...); 129extern void lerror(const char *, int, const char *, ...) 130 __attribute__((__noreturn__,__format__(__printf__, 3, 4))); 131extern void assert_failed(const char *, int, const char *, const char *) 132 __attribute__((__noreturn__)); 133 134/* 135 * decl.c 136 */ 137extern dinfo_t *dcs; 138extern const char *unnamed; 139extern int enumval; 140 141extern void initdecl(void); 142extern type_t *gettyp(tspec_t); 143extern type_t *duptyp(const type_t *); 144extern type_t *tduptyp(const type_t *); 145extern bool incompl(const type_t *); 146extern void setcomplete(type_t *, bool); 147extern void add_storage_class(scl_t); 148extern void add_type(type_t *); 149extern void add_qualifier(tqual_t); 150extern void addpacked(void); 151extern void add_attr_used(void); 152extern void pushdecl(scl_t); 153extern void popdecl(void); 154extern void setasm(void); 155extern void clrtyp(void); 156extern void deftyp(void); 157extern int length(const type_t *, const char *); 158extern int getbound(const type_t *); 159extern sym_t *lnklst(sym_t *, sym_t *); 160extern void check_type(sym_t *); 161extern sym_t *declarator_1_struct_union(sym_t *); 162extern sym_t *bitfield(sym_t *, int); 163extern pqinf_t *merge_pointers_and_qualifiers(pqinf_t *, pqinf_t *); 164extern sym_t *add_pointer(sym_t *, pqinf_t *); 165extern sym_t *add_array(sym_t *, bool, int); 166extern sym_t *add_function(sym_t *, sym_t *); 167extern void check_function_definition(sym_t *, bool); 168extern sym_t *declarator_name(sym_t *); 169extern sym_t *old_style_function_name(sym_t *); 170extern type_t *mktag(sym_t *, tspec_t, bool, bool); 171extern const char *storage_class_name(scl_t); 172extern type_t *complete_tag_struct_or_union(type_t *, sym_t *); 173extern type_t *complete_tag_enum(type_t *, sym_t *); 174extern sym_t *enumeration_constant(sym_t *, int, bool); 175extern void decl1ext(sym_t *, bool); 176extern void copy_usage_info(sym_t *, sym_t *); 177extern bool check_redeclaration(sym_t *, bool *); 178extern bool eqptrtype(const type_t *, const type_t *, bool); 179extern bool eqtype(const type_t *, const type_t *, bool, bool, bool *); 180extern void complete_type(sym_t *, sym_t *); 181extern sym_t *declare_argument(sym_t *, bool); 182extern void check_func_lint_directives(void); 183extern void check_func_old_style_arguments(void); 184 185extern void declare_local(sym_t *, bool); 186extern sym_t *abstract_name(void); 187extern void global_clean_up(void); 188extern sym_t *declare_1_abstract(sym_t *); 189extern void check_size(sym_t *); 190extern void mark_as_set(sym_t *); 191extern void mark_as_used(sym_t *, bool, bool); 192extern void check_usage(dinfo_t *); 193extern void check_usage_sym(bool, sym_t *); 194extern void check_global_symbols(void); 195extern void print_previous_declaration(int, const sym_t *); 196 197/* 198 * tree.c 199 */ 200extern type_t *incref(type_t *, tspec_t); 201extern type_t *tincref(type_t *, tspec_t); 202extern tnode_t *new_constant_node(type_t *, val_t *); 203extern tnode_t *new_name_node(sym_t *, int); 204extern tnode_t *new_string_node(strg_t *); 205extern sym_t *struct_or_union_member(tnode_t *, op_t, sym_t *); 206extern tnode_t *build(op_t, tnode_t *, tnode_t *); 207extern tnode_t *cconv(tnode_t *); 208extern bool is_typeok_bool_operand(const tnode_t *); 209extern bool typeok(op_t, int, const tnode_t *, const tnode_t *); 210extern tnode_t *promote(op_t, bool, tnode_t *); 211extern tnode_t *convert(op_t, int, type_t *, tnode_t *); 212extern void convert_constant(op_t, int, type_t *, val_t *, val_t *); 213extern tnode_t *build_sizeof(type_t *); 214extern tnode_t *build_offsetof(type_t *, sym_t *); 215extern tnode_t *build_alignof(type_t *); 216extern tnode_t *cast(tnode_t *, type_t *); 217extern tnode_t *new_function_argument_node(tnode_t *, tnode_t *); 218extern tnode_t *new_function_call_node(tnode_t *, tnode_t *); 219extern val_t *constant(tnode_t *, bool); 220extern void expr(tnode_t *, bool, bool, bool); 221extern void check_expr_misc(const tnode_t *, bool, bool, bool, 222 bool, bool, bool); 223extern bool constant_addr(tnode_t *, sym_t **, ptrdiff_t *); 224extern strg_t *cat_strings(strg_t *, strg_t *); 225extern int64_t tsize(type_t *); 226 227/* 228 * func.c 229 */ 230extern sym_t *funcsym; 231extern bool reached; 232extern bool rchflg; 233extern bool ftflg; 234extern int nargusg; 235extern pos_t argsused_pos; 236extern int nvararg; 237extern pos_t vapos; 238extern int printflike_argnum; 239extern pos_t printflike_pos; 240extern int scanflike_argnum; 241extern pos_t scanflike_pos; 242extern bool constcond_flag; 243extern bool llibflg; 244extern int lwarn; 245extern bool bitfieldtype_ok; 246extern bool plibflg; 247extern bool quadflg; 248 249extern void pushctrl(int); 250extern void popctrl(int); 251extern void check_statement_reachable(void); 252extern void funcdef(sym_t *); 253extern void funcend(void); 254extern void named_label(sym_t *); 255extern void case_label(tnode_t *); 256extern void default_label(void); 257extern void if1(tnode_t *); 258extern void if2(void); 259extern void if3(bool); 260extern void switch1(tnode_t *); 261extern void switch2(void); 262extern void while1(tnode_t *); 263extern void while2(void); 264extern void do1(void); 265extern void do2(tnode_t *); 266extern void for1(tnode_t *, tnode_t *, tnode_t *); 267extern void for2(void); 268extern void dogoto(sym_t *); 269extern void docont(void); 270extern void dobreak(void); 271extern void doreturn(tnode_t *); 272extern void global_clean_up_decl(bool); 273extern void argsused(int); 274extern void constcond(int); 275extern void fallthru(int); 276extern void notreach(int); 277extern void lintlib(int); 278extern void linted(int); 279extern void varargs(int); 280extern void printflike(int); 281extern void scanflike(int); 282extern void protolib(int); 283extern void longlong(int); 284extern void bitfieldtype(int); 285 286/* 287 * init.c 288 */ 289extern bool initerr; 290extern sym_t *initsym; 291extern int startinit; 292 293extern void initstack_init(void); 294extern void init_rbrace(void); 295extern void init_lbrace(void); 296extern void mkinit(tnode_t *); 297extern void push_member(sbuf_t *); 298 299/* 300 * emit.c 301 */ 302extern void outtype(const type_t *); 303extern const char *ttos(const type_t *); 304extern void outsym(const sym_t *, scl_t, def_t); 305extern void outfdef(const sym_t *, const pos_t *, bool, bool, 306 const sym_t *); 307extern void outcall(const tnode_t *, bool, bool); 308extern void outusg(const sym_t *); 309 310/* 311 * lex.c 312 */ 313extern int lex_name(const char *, size_t); 314extern int lex_icon(const char *, size_t, int); 315extern int lex_fcon(const char *, size_t); 316extern int lex_operator(int, op_t); 317extern int lex_string(void); 318extern int lex_wcstrg(void); 319extern int lex_ccon(void); 320extern int lex_wccon(void); 321extern void lex_directive(const char *); 322extern void lex_incline(void); 323extern void lex_comment(void); 324extern void lex_slashslashcomment(void); 325extern void lex_badchar(int); 326extern int lex_input(void); 327 328/* 329 * print.c 330 */ 331extern char *print_tnode(char *, size_t, const tnode_t *); 332