externs1.h revision 1.62
1/*	$NetBSD: externs1.h,v 1.62 2021/01/23 23:11:40 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	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(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 *fnalloc(const char *);
97extern	const	char *fnnalloc(const char *, size_t);
98extern	int	getfnid(const char *);
99extern	void	fnaddreplsrcdir(char *);
100extern	const char *fnxform(const char *, size_t);
101
102extern	void	initmem(void);
103
104extern	void	*getblk(size_t);
105extern	void	*getlblk(size_t, size_t);
106extern	void	freeblk(void);
107extern	void	freelblk(int);
108
109extern	void	*tgetblk(size_t);
110extern	tnode_t	*getnode(void);
111extern	void	tfreeblk(void);
112extern	struct	mbl *tsave(void);
113extern	void	trestor(struct mbl *);
114
115/*
116 * err.c
117 */
118extern	int	nerr;
119extern	int	sytxerr;
120extern	const	char *msgs[];
121
122extern	void	msglist(void);
123extern	void	error(int, ...);
124extern	void	warning(int, ...);
125extern	void	message(int, ...);
126extern	void	gnuism(int, ...);
127extern	void	c99ism(int, ...);
128extern	void	lerror(const char *, int, const char *, ...)
129     __attribute__((__noreturn__,__format__(__printf__, 3, 4)));
130extern	void	assert_failed(const char *, int, const char *, const char *)
131		__attribute__((__noreturn__));
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	*duptyp(const type_t *);
143extern	type_t	*tduptyp(const type_t *);
144extern	bool	incompl(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	pushdecl(scl_t);
152extern	void	popdecl(void);
153extern	void	setasm(void);
154extern	void	clrtyp(void);
155extern	void	deftyp(void);
156extern	int	length(const type_t *, const char *);
157extern	int	getbound(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	decl1ext(sym_t *, bool);
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 *);
195
196/*
197 * tree.c
198 */
199extern	type_t	*incref(type_t *, tspec_t);
200extern	type_t	*tincref(type_t *, tspec_t);
201extern	tnode_t	*new_constant_node(type_t *, val_t *);
202extern	tnode_t	*new_name_node(sym_t *, int);
203extern	tnode_t	*new_string_node(strg_t *);
204extern	sym_t	*struct_or_union_member(tnode_t *, op_t, sym_t *);
205extern	tnode_t	*build(op_t, tnode_t *, tnode_t *);
206extern	tnode_t	*cconv(tnode_t *);
207extern	bool	is_typeok_bool_operand(const tnode_t *);
208extern	bool	typeok(op_t, int, const tnode_t *, const tnode_t *);
209extern	tnode_t	*promote(op_t, bool, tnode_t *);
210extern	tnode_t	*convert(op_t, int, type_t *, tnode_t *);
211extern	void	convert_constant(op_t, int, type_t *, val_t *, val_t *);
212extern	tnode_t	*build_sizeof(type_t *);
213extern	tnode_t	*build_offsetof(type_t *, sym_t *);
214extern	tnode_t	*build_alignof(type_t *);
215extern	tnode_t	*cast(tnode_t *, type_t *);
216extern	tnode_t	*new_function_argument_node(tnode_t *, tnode_t *);
217extern	tnode_t	*new_function_call_node(tnode_t *, tnode_t *);
218extern	val_t	*constant(tnode_t *, bool);
219extern	void	expr(tnode_t *, bool, bool, bool);
220extern	void	check_expr_misc(const tnode_t *, bool, bool, bool,
221		    bool, bool, bool);
222extern	bool	constant_addr(tnode_t *, sym_t **, ptrdiff_t *);
223extern	strg_t	*cat_strings(strg_t *, strg_t *);
224extern  int64_t tsize(type_t *);
225
226/*
227 * func.c
228 */
229extern	sym_t	*funcsym;
230extern	bool	reached;
231extern	bool	rchflg;
232extern	bool	ftflg;
233extern	int	nargusg;
234extern	pos_t	argsused_pos;
235extern	int	nvararg;
236extern	pos_t	vapos;
237extern	int	printflike_argnum;
238extern	pos_t	printflike_pos;
239extern	int	scanflike_argnum;
240extern	pos_t	scanflike_pos;
241extern	bool	constcond_flag;
242extern	bool	llibflg;
243extern	int	lwarn;
244extern	bool	bitfieldtype_ok;
245extern	bool	plibflg;
246extern	bool	quadflg;
247
248extern	void	pushctrl(int);
249extern	void	popctrl(int);
250extern	void	check_statement_reachable(void);
251extern	void	funcdef(sym_t *);
252extern	void	funcend(void);
253extern	void	named_label(sym_t *);
254extern	void	case_label(tnode_t *);
255extern	void	default_label(void);
256extern	void	if1(tnode_t *);
257extern	void	if2(void);
258extern	void	if3(bool);
259extern	void	switch1(tnode_t *);
260extern	void	switch2(void);
261extern	void	while1(tnode_t *);
262extern	void	while2(void);
263extern	void	do1(void);
264extern	void	do2(tnode_t *);
265extern	void	for1(tnode_t *, tnode_t *, tnode_t *);
266extern	void	for2(void);
267extern	void	dogoto(sym_t *);
268extern	void	docont(void);
269extern	void	dobreak(void);
270extern	void	doreturn(tnode_t *);
271extern	void	global_clean_up_decl(bool);
272extern	void	argsused(int);
273extern	void	constcond(int);
274extern	void	fallthru(int);
275extern	void	notreach(int);
276extern	void	lintlib(int);
277extern	void	linted(int);
278extern	void	varargs(int);
279extern	void	printflike(int);
280extern	void	scanflike(int);
281extern	void	protolib(int);
282extern	void	longlong(int);
283extern	void	bitfieldtype(int);
284
285/*
286 * init.c
287 */
288extern	bool	initerr;
289extern	sym_t	*initsym;
290extern	int	startinit;
291
292extern	void	initstack_init(void);
293extern	void	init_rbrace(void);
294extern	void	init_lbrace(void);
295extern	void	mkinit(tnode_t *);
296extern	void	push_member(sbuf_t *);
297
298/*
299 * emit.c
300 */
301extern	void	outtype(const type_t *);
302extern	const	char *ttos(const type_t *);
303extern	void	outsym(const sym_t *, scl_t, def_t);
304extern	void	outfdef(const sym_t *, const pos_t *, bool, bool,
305		    const sym_t *);
306extern	void	outcall(const tnode_t *, bool, bool);
307extern	void	outusg(const sym_t *);
308
309/*
310 * lex.c
311 */
312extern	int	lex_name(const char *, size_t);
313extern	int	lex_icon(const char *, size_t, int);
314extern	int	lex_fcon(const char *, size_t);
315extern	int	lex_operator(int, op_t);
316extern	int	lex_string(void);
317extern	int	lex_wcstrg(void);
318extern	int	lex_ccon(void);
319extern	int	lex_wccon(void);
320extern	void	lex_directive(const char *);
321extern	void	lex_incline(void);
322extern	void	lex_comment(void);
323extern	void	lex_slashslashcomment(void);
324extern	void	lex_badchar(int);
325extern	int	lex_input(void);
326
327/*
328 * print.c
329 */
330extern	char	*print_tnode(char *, size_t, const tnode_t *);
331