1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
typedef char *pvcontents;
typedef char *strconst;
typedef U32 PV;
typedef char *op_tr_array;
typedef int comment;
typedef SV *svindex;
typedef OP *opindex;
typedef IV IV64;
EXT int iv_overflows INIT(0);
EXT SV *sv;
#ifndef USE_THREADS
EXT OP *op;
#endif
EXT XPV pv;
EXT void **obj_list;
EXT I32 obj_list_fill INIT(-1);
#ifdef INDIRECT_BGET_MACROS
#define BGET_FREAD(argp, len, nelem) \
bs.fread((char*)(argp),(len),(nelem),bs.data)
#define BGET_FGETC() bs.fgetc(bs.data)
#else
#define BGET_FREAD(argp, len, nelem) PerlIO_fread((argp), (len), (nelem), fp)
#define BGET_FGETC() PerlIO_getc(fp)
#endif /* INDIRECT_BGET_MACROS */
#define BGET_U32(arg) \
BGET_FREAD(&arg, sizeof(U32), 1); arg = ntohl((U32)arg)
#define BGET_I32(arg) \
BGET_FREAD(&arg, sizeof(I32), 1); arg = (I32)ntohl((U32)arg)
#define BGET_U16(arg) \
BGET_FREAD(&arg, sizeof(U16), 1); arg = ntohs((U16)arg)
#define BGET_U8(arg) arg = BGET_FGETC()
#if INDIRECT_BGET_MACROS
#define BGET_PV(arg) STMT_START { \
BGET_U32(arg); \
if (arg) \
bs.freadpv(arg, bs.data); \
else { \
pv.xpv_pv = 0; \
pv.xpv_len = 0; \
pv.xpv_cur = 0; \
} \
} STMT_END
#else
#define BGET_PV(arg) STMT_START { \
BGET_U32(arg); \
if (arg) { \
New(666, pv.xpv_pv, arg, char); \
PerlIO_fread(pv.xpv_pv, 1, arg, fp);\
pv.xpv_len = arg; \
pv.xpv_cur = arg - 1; \
} else { \
pv.xpv_pv = 0; \
pv.xpv_len = 0; \
pv.xpv_cur = 0; \
} \
} STMT_END
#endif /* INDIRECT_BGET_MACROS */
#define BGET_comment(arg) \
do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF)
/*
* In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV
* machines such that 32-bit machine compilers don't whine about the shift
* count being too high even though the code is never reached there.
*/
#define BGET_IV64(arg) STMT_START { \
U32 hi, lo; \
BGET_U32(hi); \
BGET_U32(lo); \
if (sizeof(IV) == 8) \
arg = (IV) (hi << (sizeof(IV)*4) | lo); \
else if (((I32)hi == -1 && (I32)lo < 0) \
|| ((I32)hi == 0 && (I32)lo >= 0)) { \
arg = (I32)lo; \
} \
else { \
iv_overflows++; \
arg = 0; \
} \
} STMT_END
#define BGET_op_tr_array(arg) do { \
unsigned short *ary; \
int i; \
New(666, ary, 256, unsigned short); \
BGET_FREAD(ary, 256, 2); \
for (i = 0; i < 256; i++) \
ary[i] = ntohs(ary[i]); \
arg = (char *) ary; \
} while (0)
#define BGET_pvcontents(arg) arg = pv.xpv_pv
#define BGET_strconst(arg) STMT_START { \
for (arg = tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \
arg = tokenbuf; \
} STMT_END
#define BGET_double(arg) STMT_START { \
char *str; \
BGET_strconst(str); \
arg = atof(str); \
} STMT_END
#define BGET_objindex(arg) STMT_START { \
U32 ix; \
BGET_U32(ix); \
arg = obj_list[ix]; \
} STMT_END
#define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg]
#define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg
#define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg
#define BSET_gp_share(sv, arg) STMT_START { \
gp_free((GV*)sv); \
GvGP(sv) = GvGP(arg); \
} STMT_END
#define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
#define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
#define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
#define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = pv.xpv_cur
#define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg)
#define BSET_xpv(sv) do { \
SvPV_set(sv, pv.xpv_pv); \
SvCUR_set(sv, pv.xpv_cur); \
SvLEN_set(sv, pv.xpv_len); \
} while (0)
#define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg)
#define BSET_av_push(sv, arg) av_push((AV*)sv, arg)
#define BSET_hv_store(sv, arg) \
hv_store((HV*)sv, pv.xpv_pv, pv.xpv_cur, arg, 0)
#define BSET_pv_free(pv) Safefree(pv.xpv_pv)
#define BSET_pregcomp(o, arg) \
((PMOP*)o)->op_pmregexp = arg ? \
pregcomp(arg, arg + pv.xpv_cur, ((PMOP*)o)) : 0
#define BSET_newsv(sv, arg) sv = NEWSV(666,0); SvUPGRADE(sv, arg)
#define BSET_newop(o, arg) o = (OP*)safemalloc(optype_size[arg])
#define BSET_newopn(o, arg) STMT_START { \
OP *oldop = o; \
BSET_newop(o, arg); \
oldop->op_next = o; \
} STMT_END
#define BSET_ret(foo) return
/*
* Kludge special-case workaround for OP_MAPSTART
* which needs the ppaddr for OP_GREPSTART. Blech.
*/
#define BSET_op_type(o, arg) STMT_START { \
o->op_type = arg; \
if (arg == OP_MAPSTART) \
arg = OP_GREPSTART; \
o->op_ppaddr = ppaddr[arg]; \
} STMT_END
#define BSET_op_ppaddr(o, arg) croak("op_ppaddr not yet implemented")
#define BSET_curpad(pad, arg) pad = AvARRAY(arg)
#define BSET_OBJ_STORE(obj, ix) \
(I32)ix > obj_list_fill ? \
bset_obj_store(obj, (I32)ix) : (obj_list[ix] = obj)
|
