#define SAVEt_AV 2
#define SAVEt_HV 3
#define SAVEt_INT 4
-#define SAVEt_I32 5
-#define SAVEt_SPTR 6
-#define SAVEt_HPTR 7
-#define SAVEt_APTR 8
-#define SAVEt_NSTAB 9
-#define SAVEt_SVREF 10
-#define SAVEt_GP 11
+#define SAVEt_LONG 5
+#define SAVEt_I32 6
+#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 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 SSPUSHIV(i) (savestack[savestack_ix++].any_iv = (IV)(i))
#define SSPUSHPTR(p) (savestack[savestack_ix++].any_ptr = (void*)(p))
+#define SSPUSHDPTR(p) (savestack[savestack_ix++].any_dptr = (p))
#define SSPOPINT (savestack[--savestack_ix].any_i32)
+#define SSPOPLONG (savestack[--savestack_ix].any_long)
+#define SSPOPIV (savestack[--savestack_ix].any_iv)
#define SSPOPPTR (savestack[--savestack_ix].any_ptr)
+#define SSPOPDPTR (savestack[--savestack_ix].any_dptr)
+
+#define SAVETMPS save_int((int*)&tmps_floor), tmps_floor = tmps_ix
+#define FREETMPS if (tmps_ix > tmps_floor) free_tmps()
+
+#ifdef DEBUGGING
+#define ENTER \
+ STMT_START { \
+ push_scope(); \
+ DEBUG_l(WITH_THR(deb("ENTER scope %ld at %s:%d\n", \
+ scopestack_ix, __FILE__, __LINE__))); \
+ } STMT_END
+#define LEAVE \
+ STMT_START { \
+ DEBUG_l(WITH_THR(deb("LEAVE scope %ld at %s:%d\n", \
+ scopestack_ix, __FILE__, __LINE__))); \
+ pop_scope(); \
+ } STMT_END
+#else
+#define ENTER push_scope()
+#define LEAVE pop_scope()
+#endif
+#define LEAVE_SCOPE(old) if (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))
+#define SAVEDESTRUCTOR(f,p) \
+ save_destructor(SOFT_CAST(void(*)_((void*)))(f),SOFT_CAST(void*)(p))
+#define SAVESTACK_POS() STMT_START { \
+ SSCHECK(2); \
+ SSPUSHINT(stack_sp - stack_base); \
+ SSPUSHINT(SAVEt_STACK_POS); \
+ } STMT_END
+#define SAVEOP() save_op()
+
+/* 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 opsave = op
+#define OP_MEM_TO_REG op = 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 = top_env; \
+ OP_REG_TO_MEM; \
+ cur_env.je_ret = PerlProc_setjmp(cur_env.je_buf, 1); \
+ OP_MEM_TO_REG; \
+ top_env = &cur_env; \
+ cur_env.je_mustcatch = FALSE; \
+ (v) = cur_env.je_ret; \
+ } STMT_END
+#define JMPENV_POP \
+ STMT_START { top_env = cur_env.je_prev; } STMT_END
+#define JMPENV_JUMP(v) \
+ STMT_START { \
+ OP_REG_TO_MEM; \
+ if (top_env->je_prev) \
+ PerlProc_longjmp(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 (top_env->je_mustcatch)
+#define CATCH_SET(v) (top_env->je_mustcatch = (v))
+
projects / p5sagit/p5-mst-13.2.git / blobdiff