Commit | Line | Data |
d6376244 |
1 | /* scope.h |
2 | * |
4bb101f2 |
3 | * Copyright (C) 1993, 1994, 1996, 1997, 1998, 1999, |
b5f8cc5c |
4 | * 2000, 2001, 2002, 2004, by Larry Wall and others |
d6376244 |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. |
8 | * |
9 | */ |
10 | |
b9d12d37 |
11 | #define SAVEt_ITEM 0 |
12 | #define SAVEt_SV 1 |
13 | #define SAVEt_AV 2 |
14 | #define SAVEt_HV 3 |
15 | #define SAVEt_INT 4 |
16 | #define SAVEt_LONG 5 |
17 | #define SAVEt_I32 6 |
18 | #define SAVEt_IV 7 |
19 | #define SAVEt_SPTR 8 |
20 | #define SAVEt_APTR 9 |
21 | #define SAVEt_HPTR 10 |
22 | #define SAVEt_PPTR 11 |
23 | #define SAVEt_NSTAB 12 |
24 | #define SAVEt_SVREF 13 |
25 | #define SAVEt_GP 14 |
26 | #define SAVEt_FREESV 15 |
27 | #define SAVEt_FREEOP 16 |
28 | #define SAVEt_FREEPV 17 |
29 | #define SAVEt_CLEARSV 18 |
30 | #define SAVEt_DELETE 19 |
31 | #define SAVEt_DESTRUCTOR 20 |
32 | #define SAVEt_REGCONTEXT 21 |
33 | #define SAVEt_STACK_POS 22 |
34 | #define SAVEt_I16 23 |
35 | #define SAVEt_AELEM 24 |
36 | #define SAVEt_HELEM 25 |
37 | #define SAVEt_OP 26 |
38 | #define SAVEt_HINTS 27 |
39 | #define SAVEt_ALLOC 28 |
40 | #define SAVEt_GENERIC_SVREF 29 |
c76ac1ee |
41 | #define SAVEt_DESTRUCTOR_X 30 |
7766f137 |
42 | #define SAVEt_VPTR 31 |
e8347627 |
43 | #define SAVEt_I8 32 |
354992b1 |
44 | #define SAVEt_COMPPAD 33 |
f4dd75d9 |
45 | #define SAVEt_GENERIC_PVREF 34 |
c3564e5c |
46 | #define SAVEt_PADSV 35 |
26d9b02f |
47 | #define SAVEt_MORTALIZESV 36 |
05ec9bb3 |
48 | #define SAVEt_SHARED_PVREF 37 |
9febdf04 |
49 | #define SAVEt_BOOL 38 |
14f338dc |
50 | #define SAVEt_SET_SVFLAGS 39 |
8b7059b1 |
51 | #define SAVEt_SAVESWITCHSTACK 40 |
79072805 |
52 | |
b03c0a3a |
53 | #ifndef SCOPE_SAVES_SIGNAL_MASK |
1b266415 |
54 | #define SCOPE_SAVES_SIGNAL_MASK 0 |
b03c0a3a |
55 | #endif |
56 | |
4b3c1a47 |
57 | #define SSCHECK(need) if (PL_savestack_ix + (need) > PL_savestack_max) savestack_grow() |
58 | #define SSGROW(need) if (PL_savestack_ix + (need) > PL_savestack_max) savestack_grow_cnt(need) |
3280af22 |
59 | #define SSPUSHINT(i) (PL_savestack[PL_savestack_ix++].any_i32 = (I32)(i)) |
60 | #define SSPUSHLONG(i) (PL_savestack[PL_savestack_ix++].any_long = (long)(i)) |
9febdf04 |
61 | #define SSPUSHBOOL(p) (PL_savestack[PL_savestack_ix++].any_bool = (p)) |
3280af22 |
62 | #define SSPUSHIV(i) (PL_savestack[PL_savestack_ix++].any_iv = (IV)(i)) |
63 | #define SSPUSHPTR(p) (PL_savestack[PL_savestack_ix++].any_ptr = (void*)(p)) |
64 | #define SSPUSHDPTR(p) (PL_savestack[PL_savestack_ix++].any_dptr = (p)) |
c76ac1ee |
65 | #define SSPUSHDXPTR(p) (PL_savestack[PL_savestack_ix++].any_dxptr = (p)) |
3280af22 |
66 | #define SSPOPINT (PL_savestack[--PL_savestack_ix].any_i32) |
67 | #define SSPOPLONG (PL_savestack[--PL_savestack_ix].any_long) |
9febdf04 |
68 | #define SSPOPBOOL (PL_savestack[--PL_savestack_ix].any_bool) |
3280af22 |
69 | #define SSPOPIV (PL_savestack[--PL_savestack_ix].any_iv) |
70 | #define SSPOPPTR (PL_savestack[--PL_savestack_ix].any_ptr) |
71 | #define SSPOPDPTR (PL_savestack[--PL_savestack_ix].any_dptr) |
c76ac1ee |
72 | #define SSPOPDXPTR (PL_savestack[--PL_savestack_ix].any_dxptr) |
8990e307 |
73 | |
954c1994 |
74 | /* |
ccfc67b7 |
75 | =head1 Callback Functions |
76 | |
954c1994 |
77 | =for apidoc Ams||SAVETMPS |
78 | Opening bracket for temporaries on a callback. See C<FREETMPS> and |
79 | L<perlcall>. |
80 | |
81 | =for apidoc Ams||FREETMPS |
82 | Closing bracket for temporaries on a callback. See C<SAVETMPS> and |
83 | L<perlcall>. |
84 | |
85 | =for apidoc Ams||ENTER |
86 | Opening bracket on a callback. See C<LEAVE> and L<perlcall>. |
87 | |
88 | =for apidoc Ams||LEAVE |
89 | Closing bracket on a callback. See C<ENTER> and L<perlcall>. |
90 | |
91 | =cut |
92 | */ |
93 | |
3280af22 |
94 | #define SAVETMPS save_int((int*)&PL_tmps_floor), PL_tmps_floor = PL_tmps_ix |
95 | #define FREETMPS if (PL_tmps_ix > PL_tmps_floor) free_tmps() |
a0d0e21e |
96 | |
f46d017c |
97 | #ifdef DEBUGGING |
98 | #define ENTER \ |
99 | STMT_START { \ |
100 | push_scope(); \ |
b4ab917c |
101 | DEBUG_SCOPE("ENTER") \ |
f46d017c |
102 | } STMT_END |
103 | #define LEAVE \ |
104 | STMT_START { \ |
b4ab917c |
105 | DEBUG_SCOPE("LEAVE") \ |
f46d017c |
106 | pop_scope(); \ |
107 | } STMT_END |
108 | #else |
a0d0e21e |
109 | #define ENTER push_scope() |
110 | #define LEAVE pop_scope() |
f46d017c |
111 | #endif |
3280af22 |
112 | #define LEAVE_SCOPE(old) if (PL_savestack_ix > old) leave_scope(old) |
a0d0e21e |
113 | |
55497cff |
114 | /* |
b9d12d37 |
115 | * Not using SOFT_CAST on SAVESPTR, SAVEGENERICSV and SAVEFREESV |
55497cff |
116 | * because these are used for several kinds of pointer values |
117 | */ |
e8347627 |
118 | #define SAVEI8(i) save_I8(SOFT_CAST(I8*)&(i)) |
4fdae800 |
119 | #define SAVEI16(i) save_I16(SOFT_CAST(I16*)&(i)) |
120 | #define SAVEI32(i) save_I32(SOFT_CAST(I32*)&(i)) |
121 | #define SAVEINT(i) save_int(SOFT_CAST(int*)&(i)) |
122 | #define SAVEIV(i) save_iv(SOFT_CAST(IV*)&(i)) |
123 | #define SAVELONG(l) save_long(SOFT_CAST(long*)&(l)) |
9febdf04 |
124 | #define SAVEBOOL(b) save_bool(SOFT_CAST(bool*)&(b)) |
55497cff |
125 | #define SAVESPTR(s) save_sptr((SV**)&(s)) |
126 | #define SAVEPPTR(s) save_pptr(SOFT_CAST(char**)&(s)) |
57b2e452 |
127 | #define SAVEVPTR(s) save_vptr((void*)&(s)) |
c3564e5c |
128 | #define SAVEPADSV(s) save_padsv(s) |
55497cff |
129 | #define SAVEFREESV(s) save_freesv((SV*)(s)) |
26d9b02f |
130 | #define SAVEMORTALIZESV(s) save_mortalizesv((SV*)(s)) |
55497cff |
131 | #define SAVEFREEOP(o) save_freeop(SOFT_CAST(OP*)(o)) |
132 | #define SAVEFREEPV(p) save_freepv(SOFT_CAST(char*)(p)) |
133 | #define SAVECLEARSV(sv) save_clearsv(SOFT_CAST(SV**)&(sv)) |
b9d12d37 |
134 | #define SAVEGENERICSV(s) save_generic_svref((SV**)&(s)) |
f4dd75d9 |
135 | #define SAVEGENERICPV(s) save_generic_pvref((char**)&(s)) |
05ec9bb3 |
136 | #define SAVESHAREDPV(s) save_shared_pvref((char**)&(s)) |
14f338dc |
137 | #define SAVESETSVFLAGS(sv,mask,val) save_set_svflags(sv,mask,val) |
55497cff |
138 | #define SAVEDELETE(h,k,l) \ |
139 | save_delete(SOFT_CAST(HV*)(h), SOFT_CAST(char*)(k), (I32)(l)) |
140 | #define SAVEDESTRUCTOR(f,p) \ |
c76ac1ee |
141 | save_destructor((DESTRUCTORFUNC_NOCONTEXT_t)(f), SOFT_CAST(void*)(p)) |
142 | |
143 | #define SAVEDESTRUCTOR_X(f,p) \ |
144 | save_destructor_x((DESTRUCTORFUNC_t)(f), SOFT_CAST(void*)(p)) |
25eaa213 |
145 | |
146 | #define SAVESTACK_POS() \ |
147 | STMT_START { \ |
148 | SSCHECK(2); \ |
3280af22 |
149 | SSPUSHINT(PL_stack_sp - PL_stack_base); \ |
25eaa213 |
150 | SSPUSHINT(SAVEt_STACK_POS); \ |
151 | } STMT_END |
152 | |
462e5cf6 |
153 | #define SAVEOP() save_op() |
25eaa213 |
154 | |
155 | #define SAVEHINTS() \ |
dfa41748 |
156 | STMT_START { \ |
157 | SSCHECK(3); \ |
158 | if (PL_hints & HINT_LOCALIZE_HH) { \ |
159 | SSPUSHPTR(GvHV(PL_hintgv)); \ |
160 | GvHV(PL_hintgv) = newHVhv(GvHV(PL_hintgv)); \ |
161 | } \ |
162 | SSPUSHINT(PL_hints); \ |
163 | SSPUSHINT(SAVEt_HINTS); \ |
25eaa213 |
164 | } STMT_END |
354992b1 |
165 | |
166 | #define SAVECOMPPAD() \ |
167 | STMT_START { \ |
f3548bdc |
168 | SSCHECK(2); \ |
169 | SSPUSHPTR((SV*)PL_comppad); \ |
170 | SSPUSHINT(SAVEt_COMPPAD); \ |
354992b1 |
171 | } STMT_END |
a9332b4a |
172 | |
8b7059b1 |
173 | #define SAVESWITCHSTACK(f,t) \ |
174 | STMT_START { \ |
175 | SSCHECK(3); \ |
176 | SSPUSHPTR((SV*)(f)); \ |
177 | SSPUSHPTR((SV*)(t)); \ |
178 | SSPUSHINT(SAVEt_SAVESWITCHSTACK); \ |
179 | SWITCHSTACK((f),(t)); \ |
180 | PL_curstackinfo->si_stack = (t); \ |
181 | } STMT_END |
182 | |
57843af0 |
183 | #ifdef USE_ITHREADS |
f4dd75d9 |
184 | # define SAVECOPSTASH(c) SAVEPPTR(CopSTASHPV(c)) |
05ec9bb3 |
185 | # define SAVECOPSTASH_FREE(c) SAVESHAREDPV(CopSTASHPV(c)) |
f4dd75d9 |
186 | # define SAVECOPFILE(c) SAVEPPTR(CopFILE(c)) |
05ec9bb3 |
187 | # define SAVECOPFILE_FREE(c) SAVESHAREDPV(CopFILE(c)) |
57843af0 |
188 | #else |
f4dd75d9 |
189 | # define SAVECOPSTASH(c) SAVESPTR(CopSTASH(c)) |
190 | # define SAVECOPSTASH_FREE(c) SAVECOPSTASH(c) /* XXX not refcounted */ |
191 | # define SAVECOPFILE(c) SAVESPTR(CopFILEGV(c)) |
192 | # define SAVECOPFILE_FREE(c) SAVEGENERICSV(CopFILEGV(c)) |
57843af0 |
193 | #endif |
194 | |
dea28490 |
195 | #define SAVECOPLINE(c) SAVEI32(CopLINE(c)) |
57843af0 |
196 | |
455ece5e |
197 | /* SSNEW() temporarily allocates a specified number of bytes of data on the |
198 | * savestack. It returns an integer index into the savestack, because a |
199 | * pointer would get broken if the savestack is moved on reallocation. |
200 | * SSNEWa() works like SSNEW(), but also aligns the data to the specified |
201 | * number of bytes. MEM_ALIGNBYTES is perhaps the most useful. The |
202 | * alignment will be preserved therough savestack reallocation *only* if |
203 | * realloc returns data aligned to a size divisible by `align'! |
204 | * |
205 | * SSPTR() converts the index returned by SSNEW/SSNEWa() into a pointer. |
206 | */ |
207 | |
f2b2c1a7 |
208 | #define SSNEW(size) Perl_save_alloc(aTHX_ (size), 0) |
02db2b7b |
209 | #define SSNEWt(n,t) SSNEW((n)*sizeof(t)) |
f2b2c1a7 |
210 | #define SSNEWa(size,align) Perl_save_alloc(aTHX_ (size), \ |
455ece5e |
211 | (align - ((int)((caddr_t)&PL_savestack[PL_savestack_ix]) % align)) % align) |
02db2b7b |
212 | #define SSNEWat(n,t,align) SSNEWa((n)*sizeof(t), align) |
455ece5e |
213 | |
02db2b7b |
214 | #define SSPTR(off,type) ((type) ((char*)PL_savestack + off)) |
215 | #define SSPTRt(off,type) ((type*) ((char*)PL_savestack + off)) |
455ece5e |
216 | |
54310121 |
217 | /* A jmpenv packages the state required to perform a proper non-local jump. |
218 | * Note that there is a start_env initialized when perl starts, and top_env |
219 | * points to this initially, so top_env should always be non-null. |
220 | * |
221 | * Existence of a non-null top_env->je_prev implies it is valid to call |
6224f72b |
222 | * longjmp() at that runlevel (we make sure start_env.je_prev is always |
223 | * null to ensure this). |
54310121 |
224 | * |
225 | * je_mustcatch, when set at any runlevel to TRUE, means eval ops must |
226 | * establish a local jmpenv to handle exception traps. Care must be taken |
227 | * to restore the previous value of je_mustcatch before exiting the |
228 | * stack frame iff JMPENV_PUSH was not called in that stack frame. |
6224f72b |
229 | * GSAR 97-03-27 |
54310121 |
230 | */ |
231 | |
232 | struct jmpenv { |
233 | struct jmpenv * je_prev; |
312caa8e |
234 | Sigjmp_buf je_buf; /* only for use if !je_throw */ |
235 | int je_ret; /* last exception thrown */ |
236 | bool je_mustcatch; /* need to call longjmp()? */ |
14dd3ad8 |
237 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e |
238 | void (*je_throw)(int v); /* last for bincompat */ |
db36c5a1 |
239 | bool je_noset; /* no need for setjmp() */ |
14dd3ad8 |
240 | #endif |
1163b5c4 |
241 | }; |
1163b5c4 |
242 | |
6224f72b |
243 | typedef struct jmpenv JMPENV; |
1163b5c4 |
244 | |
14dd3ad8 |
245 | #ifdef OP_IN_REGISTER |
246 | #define OP_REG_TO_MEM PL_opsave = op |
247 | #define OP_MEM_TO_REG op = PL_opsave |
248 | #else |
249 | #define OP_REG_TO_MEM NOOP |
250 | #define OP_MEM_TO_REG NOOP |
251 | #endif |
312caa8e |
252 | |
253 | /* |
254 | * How to build the first jmpenv. |
255 | * |
256 | * top_env needs to be non-zero. It points to an area |
257 | * in which longjmp() stuff is stored, as C callstack |
258 | * info there at least is thread specific this has to |
259 | * be per-thread. Otherwise a 'die' in a thread gives |
260 | * that thread the C stack of last thread to do an eval {}! |
261 | */ |
262 | |
263 | #define JMPENV_BOOTSTRAP \ |
264 | STMT_START { \ |
14dd3ad8 |
265 | Zero(&PL_start_env, 1, JMPENV); \ |
312caa8e |
266 | PL_start_env.je_ret = -1; \ |
267 | PL_start_env.je_mustcatch = TRUE; \ |
268 | PL_top_env = &PL_start_env; \ |
269 | } STMT_END |
270 | |
14dd3ad8 |
271 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
462e5cf6 |
272 | |
312caa8e |
273 | /* |
274 | * These exception-handling macros are split up to |
275 | * ease integration with C++ exceptions. |
276 | * |
277 | * To use C++ try+catch to catch Perl exceptions, an extension author |
278 | * needs to first write an extern "C" function to throw an appropriate |
279 | * exception object; typically it will be or contain an integer, |
280 | * because Perl's internals use integers to track exception types: |
281 | * extern "C" { static void thrower(int i) { throw i; } } |
282 | * |
283 | * Then (as shown below) the author needs to use, not the simple |
284 | * JMPENV_PUSH, but several of its constitutent macros, to arrange for |
285 | * the Perl internals to call thrower() rather than longjmp() to |
286 | * report exceptions: |
287 | * |
288 | * dJMPENV; |
289 | * JMPENV_PUSH_INIT(thrower); |
290 | * try { |
291 | * ... stuff that may throw exceptions ... |
292 | * } |
293 | * catch (int why) { // or whatever matches thrower() |
294 | * JMPENV_POST_CATCH; |
295 | * EXCEPT_SET(why); |
296 | * switch (why) { |
297 | * ... // handle various Perl exception codes |
298 | * } |
299 | * } |
300 | * JMPENV_POP; // don't forget this! |
301 | */ |
302 | |
14dd3ad8 |
303 | /* |
304 | * Function that catches/throws, and its callback for the |
305 | * body of protected processing. |
306 | */ |
307 | typedef void *(CPERLscope(*protect_body_t)) (pTHX_ va_list); |
308 | typedef void *(CPERLscope(*protect_proc_t)) (pTHX_ volatile JMPENV *pcur_env, |
309 | int *, protect_body_t, ...); |
310 | |
db36c5a1 |
311 | #define dJMPENV JMPENV cur_env; \ |
312 | volatile JMPENV *pcur_env = ((cur_env.je_noset = 0),&cur_env) |
312caa8e |
313 | |
db36c5a1 |
314 | #define JMPENV_PUSH_INIT_ENV(ce,THROWFUNC) \ |
6224f72b |
315 | STMT_START { \ |
db36c5a1 |
316 | (ce).je_throw = (THROWFUNC); \ |
317 | (ce).je_ret = -1; \ |
318 | (ce).je_mustcatch = FALSE; \ |
319 | (ce).je_prev = PL_top_env; \ |
320 | PL_top_env = &(ce); \ |
6224f72b |
321 | OP_REG_TO_MEM; \ |
312caa8e |
322 | } STMT_END |
1d651c14 |
323 | |
f2b2c1a7 |
324 | #define JMPENV_PUSH_INIT(THROWFUNC) JMPENV_PUSH_INIT_ENV(*(JMPENV*)pcur_env,THROWFUNC) |
1d651c14 |
325 | |
db36c5a1 |
326 | #define JMPENV_POST_CATCH_ENV(ce) \ |
312caa8e |
327 | STMT_START { \ |
6224f72b |
328 | OP_MEM_TO_REG; \ |
db36c5a1 |
329 | PL_top_env = &(ce); \ |
6224f72b |
330 | } STMT_END |
312caa8e |
331 | |
db36c5a1 |
332 | #define JMPENV_POST_CATCH JMPENV_POST_CATCH_ENV(*(JMPENV*)pcur_env) |
1d651c14 |
333 | |
db36c5a1 |
334 | #define JMPENV_PUSH_ENV(ce,v) \ |
335 | STMT_START { \ |
336 | if (!(ce).je_noset) { \ |
14dd3ad8 |
337 | DEBUG_l(Perl_deb(aTHX_ "Setting up jumplevel %p, was %p\n", \ |
338 | ce, PL_top_env)); \ |
db36c5a1 |
339 | JMPENV_PUSH_INIT_ENV(ce,NULL); \ |
b03c0a3a |
340 | EXCEPT_SET_ENV(ce,PerlProc_setjmp((ce).je_buf, SCOPE_SAVES_SIGNAL_MASK));\ |
db36c5a1 |
341 | (ce).je_noset = 1; \ |
342 | } \ |
343 | else \ |
344 | EXCEPT_SET_ENV(ce,0); \ |
345 | JMPENV_POST_CATCH_ENV(ce); \ |
346 | (v) = EXCEPT_GET_ENV(ce); \ |
312caa8e |
347 | } STMT_END |
348 | |
f2b2c1a7 |
349 | #define JMPENV_PUSH(v) JMPENV_PUSH_ENV(*(JMPENV*)pcur_env,v) |
1d651c14 |
350 | |
db36c5a1 |
351 | #define JMPENV_POP_ENV(ce) \ |
14dd3ad8 |
352 | STMT_START { \ |
353 | if (PL_top_env == &(ce)) \ |
354 | PL_top_env = (ce).je_prev; \ |
355 | } STMT_END |
312caa8e |
356 | |
f2b2c1a7 |
357 | #define JMPENV_POP JMPENV_POP_ENV(*(JMPENV*)pcur_env) |
1d651c14 |
358 | |
22921e25 |
359 | #define JMPENV_JUMP(v) \ |
360 | STMT_START { \ |
462e5cf6 |
361 | OP_REG_TO_MEM; \ |
312caa8e |
362 | if (PL_top_env->je_prev) { \ |
363 | if (PL_top_env->je_throw) \ |
364 | PL_top_env->je_throw(v); \ |
365 | else \ |
366 | PerlProc_longjmp(PL_top_env->je_buf, (v)); \ |
367 | } \ |
6224f72b |
368 | if ((v) == 2) \ |
312caa8e |
369 | PerlProc_exit(STATUS_NATIVE_EXPORT); \ |
bf49b057 |
370 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); \ |
312caa8e |
371 | PerlProc_exit(1); \ |
22921e25 |
372 | } STMT_END |
312caa8e |
373 | |
db36c5a1 |
374 | #define EXCEPT_GET_ENV(ce) ((ce).je_ret) |
375 | #define EXCEPT_GET EXCEPT_GET_ENV(*(JMPENV*)pcur_env) |
376 | #define EXCEPT_SET_ENV(ce,v) ((ce).je_ret = (v)) |
377 | #define EXCEPT_SET(v) EXCEPT_SET_ENV(*(JMPENV*)pcur_env,v) |
312caa8e |
378 | |
14dd3ad8 |
379 | #else /* !PERL_FLEXIBLE_EXCEPTIONS */ |
380 | |
381 | #define dJMPENV JMPENV cur_env |
382 | |
383 | #define JMPENV_PUSH(v) \ |
384 | STMT_START { \ |
385 | DEBUG_l(Perl_deb(aTHX_ "Setting up jumplevel %p, was %p\n", \ |
386 | &cur_env, PL_top_env)); \ |
387 | cur_env.je_prev = PL_top_env; \ |
388 | OP_REG_TO_MEM; \ |
b03c0a3a |
389 | cur_env.je_ret = PerlProc_setjmp(cur_env.je_buf, SCOPE_SAVES_SIGNAL_MASK); \ |
14dd3ad8 |
390 | OP_MEM_TO_REG; \ |
391 | PL_top_env = &cur_env; \ |
392 | cur_env.je_mustcatch = FALSE; \ |
393 | (v) = cur_env.je_ret; \ |
394 | } STMT_END |
395 | |
396 | #define JMPENV_POP \ |
9f3673fb |
397 | STMT_START { \ |
398 | DEBUG_l(Perl_deb(aTHX_ "popping jumplevel was %p, now %p\n", \ |
399 | PL_top_env, cur_env.je_prev)); \ |
400 | PL_top_env = cur_env.je_prev; \ |
401 | } STMT_END |
14dd3ad8 |
402 | |
403 | #define JMPENV_JUMP(v) \ |
404 | STMT_START { \ |
405 | OP_REG_TO_MEM; \ |
406 | if (PL_top_env->je_prev) \ |
407 | PerlProc_longjmp(PL_top_env->je_buf, (v)); \ |
408 | if ((v) == 2) \ |
409 | PerlProc_exit(STATUS_NATIVE_EXPORT); \ |
410 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); \ |
411 | PerlProc_exit(1); \ |
412 | } STMT_END |
413 | |
414 | #endif /* PERL_FLEXIBLE_EXCEPTIONS */ |
415 | |
db36c5a1 |
416 | #define CATCH_GET (PL_top_env->je_mustcatch) |
417 | #define CATCH_SET(v) (PL_top_env->je_mustcatch = (v)) |