externs1.h revision 1.37 1 /* $NetBSD: externs1.h,v 1.37 2020/12/29 10:24:22 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 */
37 extern int aflag;
38 extern int bflag;
39 extern int cflag;
40 extern int dflag;
41 extern int eflag;
42 extern int Fflag;
43 extern int gflag;
44 extern int hflag;
45 extern int rflag;
46 extern int sflag;
47 extern int tflag;
48 extern int uflag;
49 extern int vflag;
50 extern int yflag;
51 extern int wflag;
52 extern int zflag;
53 extern int Sflag;
54 extern int Pflag;
55
56 extern void norecover(void);
57
58 /*
59 * cgram.y
60 */
61 extern int blklev;
62 extern int mblklev;
63 extern int yydebug;
64
65 extern int yyerror(const char *);
66 extern int yyparse(void);
67
68 /*
69 * scan.l
70 */
71 extern int attron;
72 extern pos_t curr_pos;
73 extern pos_t csrc_pos;
74 extern symt_t symtyp;
75 extern FILE *yyin;
76 extern uint64_t qbmasks[], qlmasks[], qumasks[];
77
78 extern void initscan(void);
79 extern int sign(int64_t, tspec_t, int);
80 extern int msb(int64_t, tspec_t, int);
81 extern int64_t xsign(int64_t, tspec_t, int);
82 extern void clrwflgs(void);
83 extern sym_t *getsym(sbuf_t *);
84 extern void cleanup(void);
85 extern sym_t *pushdown(sym_t *);
86 extern sym_t *mktempsym(type_t *);
87 extern void rmsym(sym_t *);
88 extern void rmsyms(sym_t *);
89 extern void inssym(int, sym_t *);
90 extern void freeyyv(void *, int);
91 extern int yylex(void);
92
93 /*
94 * mem1.c
95 */
96 extern const char *fnalloc(const char *);
97 extern const char *fnnalloc(const char *, size_t);
98 extern int getfnid(const char *);
99 extern void fnaddreplsrcdir(char *);
100 extern const char *fnxform(const char *, size_t);
101
102 extern void initmem(void);
103
104 extern void *getblk(size_t);
105 extern void *getlblk(size_t, size_t);
106 extern void freeblk(void);
107 extern void freelblk(int);
108
109 extern void *tgetblk(size_t);
110 extern tnode_t *getnode(void);
111 extern void tfreeblk(void);
112 extern struct mbl *tsave(void);
113 extern void trestor(struct mbl *);
114
115 /*
116 * err.c
117 */
118 extern int nerr;
119 extern int sytxerr;
120 extern const char *msgs[];
121
122 extern void msglist(void);
123 extern void error(int, ...);
124 extern void warning(int, ...);
125 extern void message(int, ...);
126 extern int gnuism(int, ...);
127 extern int c99ism(int, ...);
128 extern void lerror(const char *, int, const char *, ...)
129 __attribute__((__noreturn__,__format__(__printf__, 3, 4)));
130
131 /*
132 * decl.c
133 */
134 extern dinfo_t *dcs;
135 extern const char *unnamed;
136 extern int enumval;
137
138 extern void initdecl(void);
139 extern type_t *gettyp(tspec_t);
140 extern type_t *duptyp(const type_t *);
141 extern type_t *tduptyp(const type_t *);
142 extern int incompl(type_t *);
143 extern void setcomplete(type_t *, int);
144 extern void addscl(scl_t);
145 extern void addtype(type_t *);
146 extern void addqual(tqual_t);
147 extern void addpacked(void);
148 extern void addused(void);
149 extern void pushdecl(scl_t);
150 extern void popdecl(void);
151 extern void setasm(void);
152 extern void clrtyp(void);
153 extern void deftyp(void);
154 extern int length(type_t *, const char *);
155 extern int getbound(type_t *);
156 extern sym_t *lnklst(sym_t *, sym_t *);
157 extern void check_type(sym_t *);
158 extern sym_t *declarator_1_struct_union(sym_t *);
159 extern sym_t *bitfield(sym_t *, int);
160 extern pqinf_t *merge_pointers_and_qualifiers(pqinf_t *, pqinf_t *);
161 extern sym_t *add_pointer(sym_t *, pqinf_t *);
162 extern sym_t *add_array(sym_t *, int, int);
163 extern sym_t *add_function(sym_t *, sym_t *);
164 extern void check_function_definition(sym_t *, int);
165 extern sym_t *declarator_name(sym_t *);
166 extern sym_t *old_style_function_name(sym_t *);
167 extern type_t *mktag(sym_t *, tspec_t, int, int);
168 extern const char *scltoa(scl_t);
169 extern type_t *compltag(type_t *, sym_t *);
170 extern sym_t *ename(sym_t *, int, int);
171 extern void decl1ext(sym_t *, int);
172 extern void copy_usage_info(sym_t *, sym_t *);
173 extern int check_redeclaration(sym_t *, int *);
174 extern int eqptrtype(type_t *, type_t *, int);
175 extern int eqtype(type_t *, type_t *, int, int, int *);
176 extern void complete_type(sym_t *, sym_t *);
177 extern sym_t *decl1arg(sym_t *, int);
178 extern void cluparg(void);
179 extern void decl1loc(sym_t *, int);
180 extern sym_t *abstract_name(void);
181 extern void globclup(void);
182 extern sym_t *declare_1_abstract(sym_t *);
183 extern void check_size(sym_t *);
184 extern void mark_as_set(sym_t *);
185 extern void mark_as_used(sym_t *, int, int);
186 extern void check_usage(dinfo_t *);
187 extern void check_usage_sym(int, sym_t *);
188 extern void check_global_symbols(void);
189 extern void print_previous_declaration(int, sym_t *);
190
191 /*
192 * tree.c
193 */
194 extern type_t *incref(type_t *, tspec_t);
195 extern type_t *tincref(type_t *, tspec_t);
196 extern tnode_t *getcnode(type_t *, val_t *);
197 extern tnode_t *getnnode(sym_t *, int);
198 extern tnode_t *getsnode(strg_t *);
199 extern sym_t *strmemb(tnode_t *, op_t, sym_t *);
200 extern tnode_t *build(op_t, tnode_t *, tnode_t *);
201 extern tnode_t *cconv(tnode_t *);
202 extern int typeok(op_t, int, tnode_t *, tnode_t *);
203 extern tnode_t *promote(op_t, int, tnode_t *);
204 extern tnode_t *convert(op_t, int, type_t *, tnode_t *);
205 extern void cvtcon(op_t, int, type_t *, val_t *, val_t *);
206 extern tnode_t *bldszof(type_t *);
207 extern tnode_t *bldoffsetof(type_t *, sym_t *);
208 extern tnode_t *bldalof(type_t *);
209 extern tnode_t *cast(tnode_t *, type_t *);
210 extern tnode_t *funcarg(tnode_t *, tnode_t *);
211 extern tnode_t *funccall(tnode_t *, tnode_t *);
212 extern val_t *constant(tnode_t *, int);
213 extern void expr(tnode_t *, int, int, int);
214 extern void chkmisc(tnode_t *, int, int, int, int, int, int);
215 extern int conaddr(tnode_t *, sym_t **, ptrdiff_t *);
216 extern strg_t *catstrg(strg_t *, strg_t *);
217 extern int64_t tsize(type_t *);
218
219 /*
220 * func.c
221 */
222 extern sym_t *funcsym;
223 extern int reached;
224 extern int rchflg;
225 extern int ftflg;
226 extern int nargusg;
227 extern pos_t aupos;
228 extern int nvararg;
229 extern pos_t vapos;
230 extern int prflstrg;
231 extern pos_t prflpos;
232 extern int scflstrg;
233 extern pos_t scflpos;
234 extern int ccflg;
235 extern int llibflg;
236 extern int lwarn;
237 extern int bitfieldtype_ok;
238 extern int plibflg;
239 extern int quadflg;
240
241 extern void pushctrl(int);
242 extern void popctrl(int);
243 extern void chkreach(void);
244 extern void funcdef(sym_t *);
245 extern void funcend(void);
246 extern void label(int, sym_t *, tnode_t *);
247 extern void if1(tnode_t *);
248 extern void if2(void);
249 extern void if3(int);
250 extern void switch1(tnode_t *);
251 extern void switch2(void);
252 extern void while1(tnode_t *);
253 extern void while2(void);
254 extern void do1(void);
255 extern void do2(tnode_t *);
256 extern void for1(tnode_t *, tnode_t *, tnode_t *);
257 extern void for2(void);
258 extern void dogoto(sym_t *);
259 extern void docont(void);
260 extern void dobreak(void);
261 extern void doreturn(tnode_t *);
262 extern void glclup(int);
263 extern void argsused(int);
264 extern void constcond(int);
265 extern void fallthru(int);
266 extern void notreach(int);
267 extern void lintlib(int);
268 extern void linted(int);
269 extern void varargs(int);
270 extern void printflike(int);
271 extern void scanflike(int);
272 extern void protolib(int);
273 extern void longlong(int);
274 extern void bitfieldtype(int);
275
276 /*
277 * init.c
278 */
279 extern int initerr;
280 extern sym_t *initsym;
281 extern int startinit;
282
283 extern void prepinit(void);
284 extern void initrbr(void);
285 extern void initlbr(void);
286 extern void mkinit(tnode_t *);
287 extern void memberpush(sbuf_t *);
288
289 /*
290 * emit.c
291 */
292 extern void outtype(type_t *);
293 extern const char *ttos(type_t *);
294 extern void outsym(sym_t *, scl_t, def_t);
295 extern void outfdef(sym_t *, pos_t *, int, int, sym_t *);
296 extern void outcall(tnode_t *, int, int);
297 extern void outusg(sym_t *);
298
299 /*
300 * print.c
301 */
302 extern char *prtnode(char *, size_t, const tnode_t *);
303