X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=scope.h;h=aa865bf9b438bcfb1b13557b0dabce0ba3f46ebc;hb=3467312b2d3ee442c007c093aaf0becc72151b00;hp=d6eb270a909b65e25256c4b45352e178ee9f712b;hpb=f289f7d2518e7a8a82114282e774adf50fa6ce85;p=p5sagit%2Fp5-mst-13.2.git diff --git a/scope.h b/scope.h index d6eb270..aa865bf 100644 --- a/scope.h +++ b/scope.h @@ -1,52 +1,70 @@ -#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_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 SAVEt_ALLOC 28 +#define SAVEt_GENERIC_SVREF 29 -#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 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*)&tmps_floor), tmps_floor = tmps_ix -#define FREETMPS if (tmps_ix > tmps_floor) free_tmps() -#ifdef DEPRECATED -#define FREE_TMPS() FREETMPS -#endif +#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() -#define LEAVE_SCOPE(old) if (savestack_ix > old) leave_scope(old) +#endif +#define LEAVE_SCOPE(old) if (PL_savestack_ix > old) leave_scope(old) /* - * Not using SOFT_CAST on SAVEFREESV and SAVEFREESV + * Not using SOFT_CAST on SAVESPTR, SAVEGENERICSV and SAVEFREESV * because these are used for several kinds of pointer values */ #define SAVEI16(i) save_I16(SOFT_CAST(I16*)&(i)) @@ -60,16 +78,57 @@ #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 SAVEGENERICSV(s) save_generic_svref((SV**)&(s)) #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(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 + 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 @@ -95,18 +154,38 @@ struct jmpenv { 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 (cur_env.je_prev = top_env, \ - cur_env.je_ret = Sigsetjmp(cur_env.je_buf,1), \ - top_env = &cur_env, \ - cur_env.je_mustcatch = FALSE, \ - cur_env.je_ret) -#define JMPENV_POP (top_env = cur_env.je_prev) -#define JMPENV_JUMP(v) (top_env->je_prev ? Siglongjmp(top_env->je_buf, (v)) \ - : ((v) == 2) ? exit(STATUS_NATIVE_EXPORT) \ - : (PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"), \ - exit(1))) +#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 (top_env->je_mustcatch) -#define CATCH_SET(v) (top_env->je_mustcatch = (v)) +#define CATCH_GET (PL_top_env->je_mustcatch) +#define CATCH_SET(v) (PL_top_env->je_mustcatch = (v))