1 typedef char *pvcontents;
2 typedef char *strconst;
4 typedef char *op_tr_array;
10 EXT int iv_overflows INIT(0);
19 EXT I32 obj_list_fill INIT(-1);
21 #ifdef INDIRECT_BGET_MACROS
22 #define FREAD(argp, len, nelem) bs.fread((char*)(argp),(len),(nelem),bs.data)
23 #define FGETC() bs.fgetc(bs.data)
25 #define FREAD(argp, len, nelem) fread((argp), (len), (nelem), fp)
26 #define FGETC() getc(fp)
27 #endif /* INDIRECT_BGET_MACROS */
29 #define BGET_U32(arg) FREAD(&arg, sizeof(U32), 1); arg = ntohl((U32)arg)
30 #define BGET_I32(arg) FREAD(&arg, sizeof(I32), 1); arg = (I32)ntohl((U32)arg)
31 #define BGET_U16(arg) FREAD(&arg, sizeof(U16), 1); arg = ntohs((U16)arg)
32 #define BGET_U8(arg) arg = FGETC()
34 #if INDIRECT_BGET_MACROS
35 #define BGET_PV(arg) do { \
38 bs.freadpv(arg, bs.data); \
46 #define BGET_PV(arg) do { \
49 New(666, pv.xpv_pv, arg, char); \
50 fread(pv.xpv_pv, 1, arg, fp); \
52 pv.xpv_cur = arg - 1; \
59 #endif /* INDIRECT_BGET_MACROS */
61 #define BGET_comment(arg) \
62 do { arg = FGETC(); } while (arg != '\n' && arg != EOF)
65 * In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV
66 * machines such that 32-bit machine compilers don't whine about the shift
67 * count being too high even though the code is never reached there.
69 #define BGET_IV64(arg) do { \
73 if (sizeof(IV) == 8) \
74 arg = (IV) (hi << (sizeof(IV)*4) | lo); \
75 else if (((I32)hi == -1 && (I32)lo < 0) \
76 || ((I32)hi == 0 && (I32)lo >= 0)) { \
85 #define BGET_op_tr_array(arg) do { \
86 unsigned short *ary; \
88 New(666, ary, 256, unsigned short); \
90 for (i = 0; i < 256; i++) \
91 ary[i] = ntohs(ary[i]); \
95 #define BGET_pvcontents(arg) arg = pv.xpv_pv
96 #define BGET_strconst(arg) do { \
97 for (arg = tokenbuf; (*arg = FGETC()); arg++) /* nothing */; \
101 #define BGET_double(arg) do { \
103 BGET_strconst(str); \
107 #define BGET_objindex(arg) do { \
110 arg = obj_list[ix]; \
113 #define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg]
115 #define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg
116 #define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg
117 #define BSET_gp_share(sv, arg) do { \
119 GvGP(sv) = GvGP(arg); \
122 #define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
123 #define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
124 #define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
125 #define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = pv.xpv_cur
126 #define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg)
127 #define BSET_xpv(sv) do { \
128 SvPV_set(sv, pv.xpv_pv); \
129 SvCUR_set(sv, pv.xpv_cur); \
130 SvLEN_set(sv, pv.xpv_len); \
132 #define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg)
134 #define BSET_av_push(sv, arg) av_push((AV*)sv, arg)
135 #define BSET_hv_store(sv, arg) \
136 hv_store((HV*)sv, pv.xpv_pv, pv.xpv_cur, arg, 0)
137 #define BSET_pv_free(pv) Safefree(pv.xpv_pv)
138 #define BSET_pregcomp(o, arg) \
139 ((PMOP*)o)->op_pmregexp = arg ? \
140 pregcomp(arg, arg + pv.xpv_cur, ((PMOP*)o)) : 0
141 #define BSET_newsv(sv, arg) sv = NEWSV(666,0); SvUPGRADE(sv, arg)
142 #define BSET_newop(o, arg) o = (OP*)safemalloc(optype_size[arg])
143 #define BSET_newopn(o, arg) do { \
145 BSET_newop(o, arg); \
146 oldop->op_next = o; \
149 #define BSET_ret(foo) return
152 * Kludge special-case workaround for OP_MAPSTART
153 * which needs the ppaddr for OP_GREPSTART. Blech.
155 #define BSET_op_type(o, arg) do { \
157 if (arg == OP_MAPSTART) \
158 arg = OP_GREPSTART; \
159 o->op_ppaddr = ppaddr[arg]; \
161 #define BSET_op_ppaddr(o, arg) croak("op_ppaddr not yet implemented")
162 #define BSET_curpad(pad, arg) pad = AvARRAY(arg)
164 #define BSET_OBJ_STORE(obj, ix) \
165 (I32)ix > obj_list_fill ? \
166 bset_obj_store(obj, (I32)ix) : (obj_list[ix] = obj)