#define SAVEt_INT 4
#define SAVEt_LONG 5
#define SAVEt_I32 6
-#define SAVEt_SPTR 7
-#define SAVEt_APTR 8
-#define SAVEt_HPTR 9
-#define SAVEt_PPTR 10
-#define SAVEt_NSTAB 11
-#define SAVEt_SVREF 12
-#define SAVEt_GP 13
-#define SAVEt_FREESV 14
-#define SAVEt_FREEOP 15
-#define SAVEt_FREEPV 16
-#define SAVEt_CLEARSV 17
-#define SAVEt_DELETE 18
-
-#define SSCHECK(need) if (savestack_ix + need > savestack_max) savestack_grow()
-#define SSPUSHINT(i) (savestack[savestack_ix++].any_i32 = (I32)(i))
-#define SSPUSHLONG(i) (savestack[savestack_ix++].any_long = (long)(i))
-#define SSPUSHPTR(p) (savestack[savestack_ix++].any_ptr = (void*)(p))
-#define SSPOPINT (savestack[--savestack_ix].any_i32)
-#define SSPOPLONG (savestack[--savestack_ix].any_long)
-#define SSPOPPTR (savestack[--savestack_ix].any_ptr)
-
-#define FREE_TMPS() if (tmps_ix > tmps_floor) free_tmps()
-#define LEAVE_SCOPE(old) if (savestack_ix > old) leave_scope(old)
+#define SAVEt_IV 7
+#define SAVEt_SPTR 8
+#define SAVEt_APTR 9
+#define SAVEt_HPTR 10
+#define SAVEt_PPTR 11
+#define SAVEt_NSTAB 12
+#define SAVEt_SVREF 13
+#define SAVEt_GP 14
+#define SAVEt_FREESV 15
+#define SAVEt_FREEOP 16
+#define SAVEt_FREEPV 17
+#define SAVEt_CLEARSV 18
+#define SAVEt_DELETE 19
+#define SAVEt_DESTRUCTOR 20
+#define SAVEt_REGCONTEXT 21
+#define SAVEt_STACK_POS 22
+#define SAVEt_I16 23
+#define SAVEt_AELEM 24
+#define SAVEt_HELEM 25
+#define SAVEt_OP 26
+#define SAVEt_HINTS 27
+#define SAVEt_ALLOC 28
+
+#define SSCHECK(need) if (PL_savestack_ix + need > PL_savestack_max) savestack_grow()
+#define SSPUSHINT(i) (PL_savestack[PL_savestack_ix++].any_i32 = (I32)(i))
+#define SSPUSHLONG(i) (PL_savestack[PL_savestack_ix++].any_long = (long)(i))
+#define SSPUSHIV(i) (PL_savestack[PL_savestack_ix++].any_iv = (IV)(i))
+#define SSPUSHPTR(p) (PL_savestack[PL_savestack_ix++].any_ptr = (void*)(p))
+#define SSPUSHDPTR(p) (PL_savestack[PL_savestack_ix++].any_dptr = (p))
+#define SSPOPINT (PL_savestack[--PL_savestack_ix].any_i32)
+#define SSPOPLONG (PL_savestack[--PL_savestack_ix].any_long)
+#define SSPOPIV (PL_savestack[--PL_savestack_ix].any_iv)
+#define SSPOPPTR (PL_savestack[--PL_savestack_ix].any_ptr)
+#define SSPOPDPTR (PL_savestack[--PL_savestack_ix].any_dptr)
+
+#define SAVETMPS save_int((int*)&PL_tmps_floor), PL_tmps_floor = PL_tmps_ix
+#define FREETMPS if (PL_tmps_ix > PL_tmps_floor) free_tmps()
+
+#ifdef DEBUGGING
+#define ENTER \
+ STMT_START { \
+ push_scope(); \
+ DEBUG_l(WITH_THR(deb("ENTER scope %ld at %s:%d\n", \
+ PL_scopestack_ix, __FILE__, __LINE__))); \
+ } STMT_END
+#define LEAVE \
+ STMT_START { \
+ DEBUG_l(WITH_THR(deb("LEAVE scope %ld at %s:%d\n", \
+ PL_scopestack_ix, __FILE__, __LINE__))); \
+ pop_scope(); \
+ } STMT_END
+#else
+#define ENTER push_scope()
+#define LEAVE pop_scope()
+#endif
+#define LEAVE_SCOPE(old) if (PL_savestack_ix > old) leave_scope(old)
+
+/*
+ * Not using SOFT_CAST on SAVEFREESV and SAVEFREESV
+ * because these are used for several kinds of pointer values
+ */
+#define SAVEI16(i) save_I16(SOFT_CAST(I16*)&(i))
+#define SAVEI32(i) save_I32(SOFT_CAST(I32*)&(i))
+#define SAVEINT(i) save_int(SOFT_CAST(int*)&(i))
+#define SAVEIV(i) save_iv(SOFT_CAST(IV*)&(i))
+#define SAVELONG(l) save_long(SOFT_CAST(long*)&(l))
+#define SAVESPTR(s) save_sptr((SV**)&(s))
+#define SAVEPPTR(s) save_pptr(SOFT_CAST(char**)&(s))
+#define SAVEFREESV(s) save_freesv((SV*)(s))
+#define SAVEFREEOP(o) save_freeop(SOFT_CAST(OP*)(o))
+#define SAVEFREEPV(p) save_freepv(SOFT_CAST(char*)(p))
+#define SAVECLEARSV(sv) save_clearsv(SOFT_CAST(SV**)&(sv))
+#define SAVEDELETE(h,k,l) \
+ save_delete(SOFT_CAST(HV*)(h), SOFT_CAST(char*)(k), (I32)(l))
+#ifdef PERL_OBJECT
+#define CALLDESTRUCTOR this->*SSPOPDPTR
+#define SAVEDESTRUCTOR(f,p) \
+ save_destructor((DESTRUCTORFUNC)(FUNC_NAME_TO_PTR(f)), \
+ SOFT_CAST(void*)(p))
+#else
+#define CALLDESTRUCTOR *SSPOPDPTR
+#define SAVEDESTRUCTOR(f,p) \
+ save_destructor(SOFT_CAST(void(*)_((void*)))(FUNC_NAME_TO_PTR(f)), \
+ SOFT_CAST(void*)(p))
+#endif
+
+#define SAVESTACK_POS() \
+ STMT_START { \
+ SSCHECK(2); \
+ SSPUSHINT(PL_stack_sp - PL_stack_base); \
+ SSPUSHINT(SAVEt_STACK_POS); \
+ } STMT_END
+
+#define SAVEOP() save_op()
+
+#define SAVEHINTS() \
+ STMT_START { \
+ if (PL_hints & HINT_LOCALIZE_HH) \
+ save_hints(); \
+ else { \
+ SSCHECK(2); \
+ SSPUSHINT(PL_hints); \
+ SSPUSHINT(SAVEt_HINTS); \
+ } \
+ } STMT_END
+
+/* SSNEW() temporarily allocates a specified number of bytes of data on the
+ * savestack. It returns an integer index into the savestack, because a
+ * pointer would get broken if the savestack is moved on reallocation.
+ * SSNEWa() works like SSNEW(), but also aligns the data to the specified
+ * number of bytes. MEM_ALIGNBYTES is perhaps the most useful. The
+ * alignment will be preserved therough savestack reallocation *only* if
+ * realloc returns data aligned to a size divisible by `align'!
+ *
+ * SSPTR() converts the index returned by SSNEW/SSNEWa() into a pointer.
+ */
+
+#define SSNEW(size) save_alloc(size, 0)
+#define SSNEWa(size,align) save_alloc(size, \
+ (align - ((int)((caddr_t)&PL_savestack[PL_savestack_ix]) % align)) % align)
+
+#define SSPTR(off,type) ((type) ((char*)PL_savestack + off))
+
+/* A jmpenv packages the state required to perform a proper non-local jump.
+ * Note that there is a start_env initialized when perl starts, and top_env
+ * points to this initially, so top_env should always be non-null.
+ *
+ * Existence of a non-null top_env->je_prev implies it is valid to call
+ * longjmp() at that runlevel (we make sure start_env.je_prev is always
+ * null to ensure this).
+ *
+ * je_mustcatch, when set at any runlevel to TRUE, means eval ops must
+ * establish a local jmpenv to handle exception traps. Care must be taken
+ * to restore the previous value of je_mustcatch before exiting the
+ * stack frame iff JMPENV_PUSH was not called in that stack frame.
+ * GSAR 97-03-27
+ */
+
+struct jmpenv {
+ struct jmpenv * je_prev;
+ Sigjmp_buf je_buf;
+ int je_ret; /* return value of last setjmp() */
+ bool je_mustcatch; /* longjmp()s must be caught locally */
+};
+
+typedef struct jmpenv JMPENV;
+
+#ifdef OP_IN_REGISTER
+#define OP_REG_TO_MEM PL_opsave = op
+#define OP_MEM_TO_REG op = PL_opsave
+#else
+#define OP_REG_TO_MEM NOOP
+#define OP_MEM_TO_REG NOOP
+#endif
+
+#define dJMPENV JMPENV cur_env
+#define JMPENV_PUSH(v) \
+ STMT_START { \
+ cur_env.je_prev = PL_top_env; \
+ OP_REG_TO_MEM; \
+ cur_env.je_ret = PerlProc_setjmp(cur_env.je_buf, 1); \
+ OP_MEM_TO_REG; \
+ PL_top_env = &cur_env; \
+ cur_env.je_mustcatch = FALSE; \
+ (v) = cur_env.je_ret; \
+ } STMT_END
+#define JMPENV_POP \
+ STMT_START { PL_top_env = cur_env.je_prev; } STMT_END
+#define JMPENV_JUMP(v) \
+ STMT_START { \
+ OP_REG_TO_MEM; \
+ if (PL_top_env->je_prev) \
+ PerlProc_longjmp(PL_top_env->je_buf, (v)); \
+ if ((v) == 2) \
+ PerlProc_exit(STATUS_NATIVE_EXPORT); \
+ PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); \
+ PerlProc_exit(1); \
+ } STMT_END
+
+#define CATCH_GET (PL_top_env->je_mustcatch)
+#define CATCH_SET(v) (PL_top_env->je_mustcatch = (v))
+