home *** CD-ROM | disk | FTP | other *** search
- #define SAVEt_ITEM 0
- #define SAVEt_SV 1
- #define SAVEt_AV 2
- #define SAVEt_HV 3
- #define SAVEt_INT 4
- #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 SAVEt_HINTS 27
-
- #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
-
- /* 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))
-
-