GCOV - Varnish Cache


/*-
 * Copyright (c) 2010-2015 Varnish Software AS
 * All rights reserved.
 *
 * Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Turn vmod JSON spec into symbols
 *
 */

#include "config.h"

#include <stdlib.h>
#include <string.h>

#include "vcc_compile.h"

#include "libvcc.h"
#include "vjsn.h"

#include "vcc_vmod.h"

struct vmod_obj {
        unsigned                magic;
#define VMOD_OBJ_MAGIC          0x349885f8
        char                    *name;
        struct type             type[1];
        VTAILQ_ENTRY(vmod_obj)  list;
};

static void
vcc_VmodObject(struct vcc *tl, struct symbol *sym)
{
        struct vmod_obj *obj;
        struct vsb *buf;

        buf = VSB_new_auto();
        AN(buf);

        VSB_printf(buf, "%s.%s", sym->vmod_name, sym->name);
        AZ(VSB_finish(buf));

        ALLOC_OBJ(obj, VMOD_OBJ_MAGIC);
        AN(obj);
        REPLACE(obj->name, VSB_data(buf));

        INIT_OBJ(obj->type, TYPE_MAGIC);
        obj->type->name = obj->name;
        sym->type = obj->type;
        VTAILQ_INSERT_TAIL(&tl->vmod_objects, obj, list);
        VSB_destroy(&buf);
}

static void
alias_sym(struct vcc *tl, const struct symbol *psym, const struct vjsn_val *v)
{
        char *alias = NULL, *func = NULL;
        struct symbol *sym;
        struct vsb *buf;

        buf = VSB_new_auto();
        AN(buf);

        VCC_SymName(buf, psym);
        VSB_printf(buf, ".%s", v->value);
        AZ(VSB_finish(buf));
        REPLACE(alias, VSB_data(buf));

        v = VTAILQ_NEXT(v, list);
        assert(vjsn_is_string(v));

        VSB_clear(buf);
        VCC_SymName(buf, psym);
        VSB_printf(buf, ".%s", v->value);
        AZ(VSB_finish(buf));
        REPLACE(func, VSB_data(buf));

        sym = VCC_MkSymAlias(tl, alias, func);
        AN(sym);
        assert(sym->kind == SYM_FUNC || sym->kind == SYM_METHOD);
        VSB_destroy(&buf);
        free(alias);
        free(func);
}

static void
func_restrict(struct vcc *tl, struct symbol *sym, vcc_kind_t kind, const struct vjsn_val *v)
{
        struct vjsn_val *vv;

        AN(v);
        AN(sym);

        if (kind != SYM_FUNC && kind != SYM_METHOD)
                return;

        v = VTAILQ_NEXT(v, list);
        if (!v || !vjsn_is_array(v))
                return;
        vv = VTAILQ_FIRST(&v->children);
        AN(vv);
        assert(vjsn_is_string(vv));
        if (strcmp(vv->value, "$RESTRICT"))
                return;
        vv = VTAILQ_NEXT(vv, list);
        AN(vv);
        assert(vjsn_is_array(vv));
        sym->r_methods = 0;
        vv = VTAILQ_FIRST(&vv->children);
        unsigned s;
        while (vv) {
                s = 0;
#define VCL_CTX(l,H)                                                    \
                if (strcmp(vv->value, #l) == 0) s = VCL_MET_##H;
#include "tbl/vcl_context.h"
                if (!s) {
                        VSB_printf(tl->sb, "Error in vmod \"%s\", invalid scope for $Restrict: %s\n",sym->vmod_name, vv->value);
                        tl->err = 1;
                        break;
                }
                sym->r_methods |= s;
                vv = VTAILQ_NEXT(vv,list);
        }
}

static void
func_sym(struct vcc *tl, vcc_kind_t kind, const struct symbol *psym,
    const struct vjsn_val *v, const struct vjsn_val *vv)
{
        struct symbol *sym;
        struct vsb *buf;

        if (kind == SYM_ALIAS) {
                alias_sym(tl, psym, v);
                return;
        }

        buf = VSB_new_auto();
        AN(buf);

        VCC_SymName(buf, psym);
        VSB_printf(buf, ".%s", v->value);
        AZ(VSB_finish(buf));
        sym = VCC_MkSym(tl, VSB_data(buf), SYM_MAIN, kind, VCL_LOW, VCL_HIGH);
        AN(sym);
        VSB_destroy(&buf);

        if (kind == SYM_OBJECT) {
                sym->eval_priv = v;
                sym->vmod_name = psym->vmod_name;
                sym->r_methods = VCL_MET_INIT;
                vcc_VmodObject(tl, sym);
                vcc_VmodSymbols(tl, sym);
                return;
        }

        if (kind == SYM_METHOD)
                sym->extra = psym->rname;

        v = VTAILQ_NEXT(v, list);

        assert(vjsn_is_array(v));
        sym->action = vcc_Act_Call;
        sym->vmod_name = psym->vmod_name;
        sym->eval = vcc_Eval_SymFunc;
        sym->eval_priv = v;
        v = VTAILQ_FIRST(&v->children);
        assert(vjsn_is_array(v));
        v = VTAILQ_FIRST(&v->children);
        assert(vjsn_is_string(v));
        sym->type = VCC_Type(v->value);
        AN(sym->type);
        sym->r_methods = VCL_MET_TASK_ALL;
        func_restrict(tl, sym, kind, vv);
}

void
vcc_VmodSymbols(struct vcc *tl, const struct symbol *sym)
{
        const struct vjsn *vj;
        const struct vjsn_val *vv, *vv1, *vv2;
        vcc_kind_t kind;

        if (sym->kind == SYM_VMOD) {
                CAST_OBJ_NOTNULL(vj, sym->eval_priv, VJSN_MAGIC);
                vv = VTAILQ_FIRST(&vj->value->children);
        } else if (sym->kind == SYM_OBJECT) {
                CAST_OBJ_NOTNULL(vv, sym->eval_priv, VJSN_VAL_MAGIC);
        } else {
                WRONG("symbol kind");
        }

        for (; vv != NULL; vv = VTAILQ_NEXT(vv, list)) {
                if (!vjsn_is_array(vv))
                        continue;
                vv1 = VTAILQ_FIRST(&vv->children);
                AN(vv1);
                assert(vjsn_is_string(vv1));
                vv2 = VTAILQ_NEXT(vv1, list);
                AN(vv2);
                if (!vjsn_is_string(vv2))
                        continue;

                kind = SYM_NONE;
#define STANZA(UU, ll, ss) if (!strcmp(vv1->value, "$" #UU)) kind = ss;
        STANZA_TBL
#undef STANZA
                if (kind != SYM_NONE) {
                        func_sym(tl, kind, sym, vv2, vv);
                        ERRCHK(tl);
                }
        }
}

void v_matchproto_(sym_act_f)
vcc_Act_New(struct vcc *tl, struct token *t, struct symbol *sym)
{
        struct symbol *isym, *osym;
        struct inifin *ifp;
        struct vsb *buf;
        const struct vjsn_val *vv, *vf;
        int null_ok = 0;

        (void)sym;
        (void)t;

        ExpectErr(tl, ID);
        vcc_ExpectVid(tl, "VCL object");
        ERRCHK(tl);
        isym = VCC_HandleSymbol(tl, INSTANCE);
        ERRCHK(tl);
        AN(isym);
        isym->noref = 1;
        isym->action = vcc_Act_Obj;

        SkipToken(tl, '=');
        ExpectErr(tl, ID);
        osym = VCC_SymbolGet(tl, SYM_MAIN, SYM_OBJECT, SYMTAB_EXISTING,
            XREF_NONE);
        ERRCHK(tl);
        AN(osym);

        /* Scratch the generic INSTANCE type */
        isym->type = osym->type;

        CAST_OBJ_NOTNULL(vv, osym->eval_priv, VJSN_VAL_MAGIC);
        // vv = object name

        isym->vmod_name = osym->vmod_name;
        isym->eval_priv = vv;

        vv = VTAILQ_NEXT(vv, list);
        // vv = flags
        assert(vjsn_is_object(vv));
        VTAILQ_FOREACH(vf, &vv->children, list)
                if (!strcmp(vf->name, "NULL_OK") && vjsn_is_true(vf))
                        null_ok = 1;
        if (!null_ok)
                VTAILQ_INSERT_TAIL(&tl->sym_objects, isym, sideways);

        vv = VTAILQ_NEXT(vv, list);
        // vv = struct name

        Fh(tl, 0, "static %s *%s;\n\n", vv->value, isym->rname);
        vv = VTAILQ_NEXT(vv, list);

        vf = VTAILQ_FIRST(&vv->children);
        vv = VTAILQ_NEXT(vv, list);
        assert(vjsn_is_string(vf));
        assert(!strcmp(vf->value, "$INIT"));

        vf = VTAILQ_NEXT(vf, list);

        buf = VSB_new_auto();
        AN(buf);
        VSB_printf(buf, "&%s, \"%s\"", isym->rname, isym->name);
        AZ(VSB_finish(buf));
        vcc_Eval_Func(tl, vf, VSB_data(buf), osym);
        VSB_destroy(&buf);
        ERRCHK(tl);
        SkipToken(tl, ';');
        isym->def_e = tl->t;

        vf = VTAILQ_FIRST(&vv->children);
        assert(vjsn_is_string(vf));
        assert(!strcmp(vf->value, "$FINI"));

        vf = VTAILQ_NEXT(vf, list);
        vf = VTAILQ_FIRST(&vf->children);
        vf = VTAILQ_NEXT(vf, list);
        ifp = New_IniFin(tl);
        VSB_printf(ifp->fin, "\t\tif (%s)\n", isym->rname);
        VSB_printf(ifp->fin, "\t\t\t\t%s(&%s);", vf->value, isym->rname);
}

		varnish-cache/lib/libvcc/vcc_vmod_sym.c
0		/*-
1		* Copyright (c) 2010-2015 Varnish Software AS
2		* All rights reserved.
3		*
4		* Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
5		*
6		* SPDX-License-Identifier: BSD-2-Clause
7		*
8	4218	* Redistribution and use in source and binary forms, with or without
9	4218	* modification, are permitted provided that the following conditions
10	4218	* are met:
11	4218	* 1. Redistributions of source code must retain the above copyright
12	4218	* notice, this list of conditions and the following disclaimer.
13	4218	* 2. Redistributions in binary form must reproduce the above copyright
14	4218	* notice, this list of conditions and the following disclaimer in the
15	4218	* documentation and/or other materials provided with the distribution.
16	4218	*
17	4218	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18	4218	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19	4218	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20	4218	* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21	4218	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22	4218	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23	4218	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24	4218	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25		* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27		* SUCH DAMAGE.
28		*
29		* Turn vmod JSON spec into symbols
30		*
31		*/
32
33		#include "config.h"
34
35		#include <stdlib.h>
36		#include <string.h>
37
38		#include "vcc_compile.h"
39
40		#include "libvcc.h"
41		#include "vjsn.h"
42
43		#include "vcc_vmod.h"
44
45		struct vmod_obj {
46		unsigned magic;
47		#define VMOD_OBJ_MAGIC 0x349885f8
48		char *name;
49		struct type type[1];
50		VTAILQ_ENTRY(vmod_obj) list;
51		};
52
53		static void
54	1448	vcc_VmodObject(struct vcc tl, struct symbol sym)
55		{
56		struct vmod_obj *obj;
57		struct vsb *buf;
58
59	1448	buf = VSB_new_auto();
60	1448	AN(buf);
61
62	1448	VSB_printf(buf, "%s.%s", sym->vmod_name, sym->name);
63	1448	AZ(VSB_finish(buf));
64
65	1448	ALLOC_OBJ(obj, VMOD_OBJ_MAGIC);
66	1448	AN(obj);
67	1448	REPLACE(obj->name, VSB_data(buf));
68
69	1448	INIT_OBJ(obj->type, TYPE_MAGIC);
70	1448	obj->type->name = obj->name;
71	1448	sym->type = obj->type;
72	1448	VTAILQ_INSERT_TAIL(&tl->vmod_objects, obj, list);
73	1448	VSB_destroy(&buf);
74	1448	}
75
76		static void
77	141	alias_sym(struct vcc tl, const struct symbol psym, const struct vjsn_val *v)
78		{
79	141	char alias = NULL, func = NULL;
80		struct symbol *sym;
81		struct vsb *buf;
82
83	141	buf = VSB_new_auto();
84	141	AN(buf);
85
86	141	VCC_SymName(buf, psym);
87	141	VSB_printf(buf, ".%s", v->value);
88	141	AZ(VSB_finish(buf));
89	141	REPLACE(alias, VSB_data(buf));
90
91	141	v = VTAILQ_NEXT(v, list);
92	141	assert(vjsn_is_string(v));
93
94	141	VSB_clear(buf);
95	141	VCC_SymName(buf, psym);
96	141	VSB_printf(buf, ".%s", v->value);
97	141	AZ(VSB_finish(buf));
98	141	REPLACE(func, VSB_data(buf));
99
100	141	sym = VCC_MkSymAlias(tl, alias, func);
101	141	AN(sym);
102	141	assert(sym->kind == SYM_FUNC \|\| sym->kind == SYM_METHOD);
103	141	VSB_destroy(&buf);
104	141	free(alias);
105	141	free(func);
106	141	}
107
108		static void
109	20801	func_restrict(struct vcc tl, struct symbol sym, vcc_kind_t kind, const struct vjsn_val *v)
110		{
111		struct vjsn_val *vv;
112
113	20801	AN(v);
114	20801	AN(sym);
115
116	20801	if (kind != SYM_FUNC && kind != SYM_METHOD)
117	0	return;
118
119	20801	v = VTAILQ_NEXT(v, list);
120	20801	if (!v \|\| !vjsn_is_array(v))
121	1524	return;
122	19277	vv = VTAILQ_FIRST(&v->children);
123	19277	AN(vv);
124	19277	assert(vjsn_is_string(vv));
125	19277	if (strcmp(vv->value, "$RESTRICT"))
126	17322	return;
127	1955	vv = VTAILQ_NEXT(vv, list);
128	1955	AN(vv);
129	1955	assert(vjsn_is_array(vv));
130	1955	sym->r_methods = 0;
131	1955	vv = VTAILQ_FIRST(&vv->children);
132		unsigned s;
133	6172	while (vv) {
134	4218	s = 0;
135		#define VCL_CTX(l,H) \
136		if (strcmp(vv->value, #l) == 0) s = VCL_MET_##H;
137		#include "tbl/vcl_context.h"
138	4218	if (!s) {
139	1	VSB_printf(tl->sb, "Error in vmod \"%s\", invalid scope for $Restrict: %s\n",sym->vmod_name, vv->value);
140	1	tl->err = 1;
141	1	break;
142		}
143		sym->r_methods \|= s;
144		vv = VTAILQ_NEXT(vv,list);
145		}
146	20801	}
147
148		static void
149	22390	func_sym(struct vcc tl, vcc_kind_t kind, const struct symbol psym,
150		const struct vjsn_val v, const struct vjsn_val vv)
151		{
152		struct symbol *sym;
153		struct vsb *buf;
154
155	22390	if (kind == SYM_ALIAS) {
156	141	alias_sym(tl, psym, v);
157	141	return;
158		}
159
160	22249	buf = VSB_new_auto();
161	22249	AN(buf);
162
163	22249	VCC_SymName(buf, psym);
164	22249	VSB_printf(buf, ".%s", v->value);
165	22249	AZ(VSB_finish(buf));
166	22249	sym = VCC_MkSym(tl, VSB_data(buf), SYM_MAIN, kind, VCL_LOW, VCL_HIGH);
167	22249	AN(sym);
168	22249	VSB_destroy(&buf);
169
170	22249	if (kind == SYM_OBJECT) {
171	1448	sym->eval_priv = v;
172	1448	sym->vmod_name = psym->vmod_name;
173	1448	sym->r_methods = VCL_MET_INIT;
174	1448	vcc_VmodObject(tl, sym);
175	1448	vcc_VmodSymbols(tl, sym);
176	1448	return;
177		}
178
179	20801	if (kind == SYM_METHOD)
180	4589	sym->extra = psym->rname;
181
182	20801	v = VTAILQ_NEXT(v, list);
183
184	20801	assert(vjsn_is_array(v));
185	20801	sym->action = vcc_Act_Call;
186	20801	sym->vmod_name = psym->vmod_name;
187	20801	sym->eval = vcc_Eval_SymFunc;
188	20801	sym->eval_priv = v;
189	20801	v = VTAILQ_FIRST(&v->children);
190	20801	assert(vjsn_is_array(v));
191	20801	v = VTAILQ_FIRST(&v->children);
192	20801	assert(vjsn_is_string(v));
193	20801	sym->type = VCC_Type(v->value);
194	20801	AN(sym->type);
195	20801	sym->r_methods = VCL_MET_TASK_ALL;
196	20801	func_restrict(tl, sym, kind, vv);
197	22390	}
198
199		void
200	2019	vcc_VmodSymbols(struct vcc tl, const struct symbol sym)
201		{
202		const struct vjsn *vj;
203		const struct vjsn_val vv, vv1, *vv2;
204		vcc_kind_t kind;
205
206	2019	if (sym->kind == SYM_VMOD) {
207	571	CAST_OBJ_NOTNULL(vj, sym->eval_priv, VJSN_MAGIC);
208	571	vv = VTAILQ_FIRST(&vj->value->children);
209	2019	} else if (sym->kind == SYM_OBJECT) {
210	1448	CAST_OBJ_NOTNULL(vv, sym->eval_priv, VJSN_VAL_MAGIC);
211	1448	} else {
212	0	WRONG("symbol kind");
213		}
214
215	34868	for (; vv != NULL; vv = VTAILQ_NEXT(vv, list)) {
216	32850	if (!vjsn_is_array(vv))
217	4344	continue;
218	28506	vv1 = VTAILQ_FIRST(&vv->children);
219	28506	AN(vv1);
220	28506	assert(vjsn_is_string(vv1));
221	28506	vv2 = VTAILQ_NEXT(vv1, list);
222	28506	AN(vv2);
223	28506	if (!vjsn_is_string(vv2))
224	4850	continue;
225
226	23656	kind = SYM_NONE;
227		#define STANZA(UU, ll, ss) if (!strcmp(vv1->value, "$" #UU)) kind = ss;
228	23656	STANZA_TBL
229		#undef STANZA
230	23656	if (kind != SYM_NONE) {
231	22390	func_sym(tl, kind, sym, vv2, vv);
232	22390	ERRCHK(tl);
233	22389	}
234	23655	}
235	2019	}
236
237		void v_matchproto_(sym_act_f)
238	207	vcc_Act_New(struct vcc tl, struct token t, struct symbol *sym)
239		{
240		struct symbol isym, osym;
241		struct inifin *ifp;
242		struct vsb *buf;
243		const struct vjsn_val vv, vf;
244	207	int null_ok = 0;
245
246	207	(void)sym;
247	207	(void)t;
248
249	207	ExpectErr(tl, ID);
250	207	vcc_ExpectVid(tl, "VCL object");
251	207	ERRCHK(tl);
252	206	isym = VCC_HandleSymbol(tl, INSTANCE);
253	206	ERRCHK(tl);
254	204	AN(isym);
255	204	isym->noref = 1;
256	204	isym->action = vcc_Act_Obj;
257
258	204	SkipToken(tl, '=');
259	204	ExpectErr(tl, ID);
260	204	osym = VCC_SymbolGet(tl, SYM_MAIN, SYM_OBJECT, SYMTAB_EXISTING,
261		XREF_NONE);
262	204	ERRCHK(tl);
263	201	AN(osym);
264
265		/* Scratch the generic INSTANCE type */
266	201	isym->type = osym->type;
267
268	201	CAST_OBJ_NOTNULL(vv, osym->eval_priv, VJSN_VAL_MAGIC);
269		// vv = object name
270
271	201	isym->vmod_name = osym->vmod_name;
272	201	isym->eval_priv = vv;
273
274	201	vv = VTAILQ_NEXT(vv, list);
275		// vv = flags
276	201	assert(vjsn_is_object(vv));
277	402	VTAILQ_FOREACH(vf, &vv->children, list)
278	205	if (!strcmp(vf->name, "NULL_OK") && vjsn_is_true(vf))
279	4	null_ok = 1;
280	201	if (!null_ok)
281	197	VTAILQ_INSERT_TAIL(&tl->sym_objects, isym, sideways);
282
283	201	vv = VTAILQ_NEXT(vv, list);
284		// vv = struct name
285
286	201	Fh(tl, 0, "static %s *%s;\n\n", vv->value, isym->rname);
287	201	vv = VTAILQ_NEXT(vv, list);
288
289	201	vf = VTAILQ_FIRST(&vv->children);
290	201	vv = VTAILQ_NEXT(vv, list);
291	201	assert(vjsn_is_string(vf));
292	201	assert(!strcmp(vf->value, "$INIT"));
293
294	201	vf = VTAILQ_NEXT(vf, list);
295
296	201	buf = VSB_new_auto();
297	201	AN(buf);
298	201	VSB_printf(buf, "&%s, \"%s\"", isym->rname, isym->name);
299	201	AZ(VSB_finish(buf));
300	201	vcc_Eval_Func(tl, vf, VSB_data(buf), osym);
301	201	VSB_destroy(&buf);
302	201	ERRCHK(tl);
303	201	SkipToken(tl, ';');
304	201	isym->def_e = tl->t;
305
306	201	vf = VTAILQ_FIRST(&vv->children);
307	201	assert(vjsn_is_string(vf));
308	201	assert(!strcmp(vf->value, "$FINI"));
309
310	201	vf = VTAILQ_NEXT(vf, list);
311	201	vf = VTAILQ_FIRST(&vf->children);
312	201	vf = VTAILQ_NEXT(vf, list);
313	201	ifp = New_IniFin(tl);
314	201	VSB_printf(ifp->fin, "\t\tif (%s)\n", isym->rname);
315	201	VSB_printf(ifp->fin, "\t\t\t\t%s(&%s);", vf->value, isym->rname);
316	207	}