162 lines
5.0 KiB
C
162 lines
5.0 KiB
C
typedef char *pvcontents;
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typedef char *strconst;
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typedef U32 PV;
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typedef char *op_tr_array;
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typedef int comment_t;
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typedef SV *svindex;
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typedef OP *opindex;
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typedef IV IV64;
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#ifdef INDIRECT_BGET_MACROS
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#define BGET_FREAD(argp, len, nelem) \
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bs.fread((char*)(argp),(len),(nelem),bs.data)
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#define BGET_FGETC() bs.fgetc(bs.data)
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#else
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#define BGET_FREAD(argp, len, nelem) PerlIO_read(fp, (argp), (len)*(nelem))
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#define BGET_FGETC() PerlIO_getc(fp)
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#endif /* INDIRECT_BGET_MACROS */
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#define BGET_U32(arg) \
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BGET_FREAD(&arg, sizeof(U32), 1); arg = PerlSock_ntohl((U32)arg)
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#define BGET_I32(arg) \
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BGET_FREAD(&arg, sizeof(I32), 1); arg = (I32)PerlSock_ntohl((U32)arg)
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#define BGET_U16(arg) \
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BGET_FREAD(&arg, sizeof(U16), 1); arg = PerlSock_ntohs((U16)arg)
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#define BGET_U8(arg) arg = BGET_FGETC()
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#if INDIRECT_BGET_MACROS
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#define BGET_PV(arg) STMT_START { \
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BGET_U32(arg); \
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if (arg) \
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bs.freadpv(arg, bs.data); \
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else { \
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PL_bytecode_pv.xpv_pv = 0; \
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PL_bytecode_pv.xpv_len = 0; \
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PL_bytecode_pv.xpv_cur = 0; \
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} \
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} STMT_END
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#else
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#define BGET_PV(arg) STMT_START { \
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BGET_U32(arg); \
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if (arg) { \
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New(666, PL_bytecode_pv.xpv_pv, arg, char); \
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PerlIO_read(fp, PL_bytecode_pv.xpv_pv, arg); \
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PL_bytecode_pv.xpv_len = arg; \
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PL_bytecode_pv.xpv_cur = arg - 1; \
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} else { \
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PL_bytecode_pv.xpv_pv = 0; \
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PL_bytecode_pv.xpv_len = 0; \
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PL_bytecode_pv.xpv_cur = 0; \
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} \
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} STMT_END
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#endif /* INDIRECT_BGET_MACROS */
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#define BGET_comment_t(arg) \
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do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF)
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/*
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* In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV
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* machines such that 32-bit machine compilers don't whine about the shift
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* count being too high even though the code is never reached there.
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*/
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#define BGET_IV64(arg) STMT_START { \
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U32 hi, lo; \
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BGET_U32(hi); \
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BGET_U32(lo); \
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if (sizeof(IV) == 8) \
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arg = (IV) (hi << (sizeof(IV)*4) | lo); \
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else if (((I32)hi == -1 && (I32)lo < 0) \
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|| ((I32)hi == 0 && (I32)lo >= 0)) { \
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arg = (I32)lo; \
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} \
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else { \
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PL_bytecode_iv_overflows++; \
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arg = 0; \
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} \
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} STMT_END
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#define BGET_op_tr_array(arg) do { \
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unsigned short *ary; \
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int i; \
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New(666, ary, 256, unsigned short); \
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BGET_FREAD(ary, 256, 2); \
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for (i = 0; i < 256; i++) \
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ary[i] = PerlSock_ntohs(ary[i]); \
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arg = (char *) ary; \
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} while (0)
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#define BGET_pvcontents(arg) arg = PL_bytecode_pv.xpv_pv
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#define BGET_strconst(arg) STMT_START { \
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for (arg = PL_tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \
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arg = PL_tokenbuf; \
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} STMT_END
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#define BGET_double(arg) STMT_START { \
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char *str; \
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BGET_strconst(str); \
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arg = atof(str); \
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} STMT_END
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#define BGET_objindex(arg, type) STMT_START { \
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U32 ix; \
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BGET_U32(ix); \
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arg = (type)PL_bytecode_obj_list[ix]; \
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} STMT_END
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#define BGET_svindex(arg) BGET_objindex(arg, svindex)
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#define BGET_opindex(arg) BGET_objindex(arg, opindex)
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#define BSET_ldspecsv(sv, arg) sv = PL_specialsv_list[arg]
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#define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg
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#define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg
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#define BSET_gp_share(sv, arg) STMT_START { \
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gp_free((GV*)sv); \
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GvGP(sv) = GvGP(arg); \
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} STMT_END
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#define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
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#define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
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#define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
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#define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = PL_bytecode_pv.xpv_cur
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#define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg)
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#define BSET_xpv(sv) do { \
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SvPV_set(sv, PL_bytecode_pv.xpv_pv); \
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SvCUR_set(sv, PL_bytecode_pv.xpv_cur); \
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SvLEN_set(sv, PL_bytecode_pv.xpv_len); \
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} while (0)
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#define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg)
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#define BSET_av_push(sv, arg) av_push((AV*)sv, arg)
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#define BSET_hv_store(sv, arg) \
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hv_store((HV*)sv, PL_bytecode_pv.xpv_pv, PL_bytecode_pv.xpv_cur, arg, 0)
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#define BSET_pv_free(pv) Safefree(pv.xpv_pv)
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#define BSET_pregcomp(o, arg) \
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((PMOP*)o)->op_pmregexp = arg ? \
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CALLREGCOMP(arg, arg + PL_bytecode_pv.xpv_cur, ((PMOP*)o)) : 0
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#define BSET_newsv(sv, arg) sv = NEWSV(666,0); SvUPGRADE(sv, arg)
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#define BSET_newop(o, arg) o = (OP*)safemalloc(optype_size[arg])
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#define BSET_newopn(o, arg) STMT_START { \
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OP *oldop = o; \
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BSET_newop(o, arg); \
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oldop->op_next = o; \
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} STMT_END
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#define BSET_ret(foo) return
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/*
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* Kludge special-case workaround for OP_MAPSTART
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* which needs the ppaddr for OP_GREPSTART. Blech.
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*/
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#define BSET_op_type(o, arg) STMT_START { \
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o->op_type = arg; \
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if (arg == OP_MAPSTART) \
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arg = OP_GREPSTART; \
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o->op_ppaddr = ppaddr[arg]; \
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} STMT_END
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#define BSET_op_ppaddr(o, arg) croak("op_ppaddr not yet implemented")
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#define BSET_curpad(pad, arg) pad = AvARRAY(arg)
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#define BSET_OBJ_STORE(obj, ix) \
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(I32)ix > PL_bytecode_obj_list_fill ? \
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bset_obj_store(obj, (I32)ix) : (PL_bytecode_obj_list[ix] = obj)
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