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a8a597b2 MB |
1 | typedef char *pvcontents; |
2 | typedef char *strconst; | |
3 | typedef U32 PV; | |
4 | typedef char *op_tr_array; | |
34e97019 | 5 | typedef int comment_t; |
a8a597b2 MB |
6 | typedef SV *svindex; |
7 | typedef OP *opindex; | |
8 | typedef IV IV64; | |
9 | ||
10 | EXT int iv_overflows INIT(0); | |
a8a597b2 MB |
11 | |
12 | EXT SV *sv; | |
13 | #ifndef USE_THREADS | |
14 | EXT OP *op; | |
15 | #endif | |
16 | EXT XPV pv; | |
17 | ||
18 | EXT void **obj_list; | |
19 | EXT I32 obj_list_fill INIT(-1); | |
20 | ||
21 | #ifdef INDIRECT_BGET_MACROS | |
47358472 MB |
22 | #define BGET_FREAD(argp, len, nelem) \ |
23 | bs.fread((char*)(argp),(len),(nelem),bs.data) | |
24 | #define BGET_FGETC() bs.fgetc(bs.data) | |
a8a597b2 | 25 | #else |
07ba5892 | 26 | #define BGET_FREAD(argp, len, nelem) PerlIO_read(fp, (argp), (len)*(nelem)) |
9c6fd6cc | 27 | #define BGET_FGETC() PerlIO_getc(fp) |
a8a597b2 MB |
28 | #endif /* INDIRECT_BGET_MACROS */ |
29 | ||
47358472 MB |
30 | #define BGET_U32(arg) \ |
31 | BGET_FREAD(&arg, sizeof(U32), 1); arg = ntohl((U32)arg) | |
32 | #define BGET_I32(arg) \ | |
33 | BGET_FREAD(&arg, sizeof(I32), 1); arg = (I32)ntohl((U32)arg) | |
34 | #define BGET_U16(arg) \ | |
35 | BGET_FREAD(&arg, sizeof(U16), 1); arg = ntohs((U16)arg) | |
36 | #define BGET_U8(arg) arg = BGET_FGETC() | |
a8a597b2 MB |
37 | |
38 | #if INDIRECT_BGET_MACROS | |
f7d144c8 | 39 | #define BGET_PV(arg) STMT_START { \ |
a8a597b2 MB |
40 | BGET_U32(arg); \ |
41 | if (arg) \ | |
42 | bs.freadpv(arg, bs.data); \ | |
43 | else { \ | |
44 | pv.xpv_pv = 0; \ | |
45 | pv.xpv_len = 0; \ | |
46 | pv.xpv_cur = 0; \ | |
47 | } \ | |
f7d144c8 | 48 | } STMT_END |
a8a597b2 | 49 | #else |
f7d144c8 | 50 | #define BGET_PV(arg) STMT_START { \ |
a8a597b2 MB |
51 | BGET_U32(arg); \ |
52 | if (arg) { \ | |
53 | New(666, pv.xpv_pv, arg, char); \ | |
07ba5892 | 54 | PerlIO_read(fp, pv.xpv_pv, arg); \ |
a8a597b2 MB |
55 | pv.xpv_len = arg; \ |
56 | pv.xpv_cur = arg - 1; \ | |
57 | } else { \ | |
58 | pv.xpv_pv = 0; \ | |
59 | pv.xpv_len = 0; \ | |
60 | pv.xpv_cur = 0; \ | |
61 | } \ | |
f7d144c8 | 62 | } STMT_END |
a8a597b2 MB |
63 | #endif /* INDIRECT_BGET_MACROS */ |
64 | ||
65 | #define BGET_comment(arg) \ | |
47358472 | 66 | do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF) |
a8a597b2 MB |
67 | |
68 | /* | |
69 | * In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV | |
70 | * machines such that 32-bit machine compilers don't whine about the shift | |
71 | * count being too high even though the code is never reached there. | |
72 | */ | |
f7d144c8 | 73 | #define BGET_IV64(arg) STMT_START { \ |
a8a597b2 MB |
74 | U32 hi, lo; \ |
75 | BGET_U32(hi); \ | |
76 | BGET_U32(lo); \ | |
77 | if (sizeof(IV) == 8) \ | |
78 | arg = (IV) (hi << (sizeof(IV)*4) | lo); \ | |
79 | else if (((I32)hi == -1 && (I32)lo < 0) \ | |
80 | || ((I32)hi == 0 && (I32)lo >= 0)) { \ | |
81 | arg = (I32)lo; \ | |
82 | } \ | |
83 | else { \ | |
84 | iv_overflows++; \ | |
85 | arg = 0; \ | |
86 | } \ | |
f7d144c8 | 87 | } STMT_END |
a8a597b2 MB |
88 | |
89 | #define BGET_op_tr_array(arg) do { \ | |
90 | unsigned short *ary; \ | |
91 | int i; \ | |
92 | New(666, ary, 256, unsigned short); \ | |
319b3e9e | 93 | BGET_FREAD(ary, 256, 2); \ |
a8a597b2 MB |
94 | for (i = 0; i < 256; i++) \ |
95 | ary[i] = ntohs(ary[i]); \ | |
96 | arg = (char *) ary; \ | |
97 | } while (0) | |
98 | ||
99 | #define BGET_pvcontents(arg) arg = pv.xpv_pv | |
f7d144c8 | 100 | #define BGET_strconst(arg) STMT_START { \ |
47358472 | 101 | for (arg = tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \ |
a8a597b2 | 102 | arg = tokenbuf; \ |
f7d144c8 | 103 | } STMT_END |
a8a597b2 | 104 | |
f7d144c8 | 105 | #define BGET_double(arg) STMT_START { \ |
a8a597b2 MB |
106 | char *str; \ |
107 | BGET_strconst(str); \ | |
108 | arg = atof(str); \ | |
f7d144c8 | 109 | } STMT_END |
a8a597b2 | 110 | |
f7d144c8 CB |
111 | #define BGET_objindex(arg) STMT_START { \ |
112 | U32 ix; \ | |
113 | BGET_U32(ix); \ | |
114 | arg = obj_list[ix]; \ | |
115 | } STMT_END | |
a8a597b2 MB |
116 | |
117 | #define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg] | |
118 | ||
119 | #define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg | |
120 | #define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg | |
f7d144c8 CB |
121 | #define BSET_gp_share(sv, arg) STMT_START { \ |
122 | gp_free((GV*)sv); \ | |
123 | GvGP(sv) = GvGP(arg); \ | |
124 | } STMT_END | |
a8a597b2 MB |
125 | |
126 | #define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV) | |
127 | #define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE) | |
128 | #define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0) | |
129 | #define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = pv.xpv_cur | |
130 | #define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg) | |
131 | #define BSET_xpv(sv) do { \ | |
132 | SvPV_set(sv, pv.xpv_pv); \ | |
133 | SvCUR_set(sv, pv.xpv_cur); \ | |
134 | SvLEN_set(sv, pv.xpv_len); \ | |
135 | } while (0) | |
136 | #define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg) | |
137 | ||
138 | #define BSET_av_push(sv, arg) av_push((AV*)sv, arg) | |
139 | #define BSET_hv_store(sv, arg) \ | |
140 | hv_store((HV*)sv, pv.xpv_pv, pv.xpv_cur, arg, 0) | |
141 | #define BSET_pv_free(pv) Safefree(pv.xpv_pv) | |
142 | #define BSET_pregcomp(o, arg) \ | |
143 | ((PMOP*)o)->op_pmregexp = arg ? \ | |
144 | pregcomp(arg, arg + pv.xpv_cur, ((PMOP*)o)) : 0 | |
145 | #define BSET_newsv(sv, arg) sv = NEWSV(666,0); SvUPGRADE(sv, arg) | |
146 | #define BSET_newop(o, arg) o = (OP*)safemalloc(optype_size[arg]) | |
f7d144c8 CB |
147 | #define BSET_newopn(o, arg) STMT_START { \ |
148 | OP *oldop = o; \ | |
149 | BSET_newop(o, arg); \ | |
150 | oldop->op_next = o; \ | |
151 | } STMT_END | |
a8a597b2 MB |
152 | |
153 | #define BSET_ret(foo) return | |
154 | ||
155 | /* | |
156 | * Kludge special-case workaround for OP_MAPSTART | |
157 | * which needs the ppaddr for OP_GREPSTART. Blech. | |
158 | */ | |
f7d144c8 CB |
159 | #define BSET_op_type(o, arg) STMT_START { \ |
160 | o->op_type = arg; \ | |
161 | if (arg == OP_MAPSTART) \ | |
162 | arg = OP_GREPSTART; \ | |
163 | o->op_ppaddr = ppaddr[arg]; \ | |
164 | } STMT_END | |
a8a597b2 MB |
165 | #define BSET_op_ppaddr(o, arg) croak("op_ppaddr not yet implemented") |
166 | #define BSET_curpad(pad, arg) pad = AvARRAY(arg) | |
167 | ||
168 | #define BSET_OBJ_STORE(obj, ix) \ | |
169 | (I32)ix > obj_list_fill ? \ | |
170 | bset_obj_store(obj, (I32)ix) : (obj_list[ix] = obj) |