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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/* pp.h
*
* Copyright (c) 1991-1997, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
*
*/
#define ARGS
#define ARGSproto void
#define dARGS
#define PP(s) OP* s(ARGS) dARGS
#define SP sp
#define MARK mark
#define TARG targ
#define PUSHMARK(p) if (++markstack_ptr == markstack_max) \
markstack_grow(); \
*markstack_ptr = (p) - stack_base
#define TOPMARK (*markstack_ptr)
#define POPMARK (*markstack_ptr--)
#define dSP register SV **sp = stack_sp
#define dMARK register SV **mark = stack_base + POPMARK
#define dORIGMARK I32 origmark = mark - stack_base
#define SETORIGMARK origmark = mark - stack_base
#define ORIGMARK (stack_base + origmark)
#define SPAGAIN sp = stack_sp
#define MSPAGAIN sp = stack_sp; mark = ORIGMARK
#define GETTARGETSTACKED targ = (op->op_flags & OPf_STACKED ? POPs : PAD_SV(op->op_targ))
#define dTARGETSTACKED SV * GETTARGETSTACKED
#define GETTARGET targ = PAD_SV(op->op_targ)
#define dTARGET SV * GETTARGET
#define GETATARGET targ = (op->op_flags & OPf_STACKED ? sp[-1] : PAD_SV(op->op_targ))
#define dATARGET SV * GETATARGET
#define dTARG SV *targ
#define NORMAL op->op_next
#define DIE return die
#define PUTBACK stack_sp = sp
#define RETURN return PUTBACK, NORMAL
#define RETURNOP(o) return PUTBACK, o
#define RETURNX(x) return x, PUTBACK, NORMAL
#define POPs (*sp--)
#define POPp (SvPVx(POPs, na))
#define POPn (SvNVx(POPs))
#define POPi ((IV)SvIVx(POPs))
#define POPu ((UV)SvUVx(POPs))
#define POPl ((long)SvIVx(POPs))
#define TOPs (*sp)
#define TOPp (SvPV(TOPs, na))
#define TOPn (SvNV(TOPs))
#define TOPi ((IV)SvIV(TOPs))
#define TOPu ((UV)SvUV(TOPs))
#define TOPl ((long)SvIV(TOPs))
/* Go to some pains in the rare event that we must extend the stack. */
#define EXTEND(p,n) STMT_START { if (stack_max - p < (n)) { \
sp = stack_grow(sp,p, (int) (n)); \
} } STMT_END
/* Same thing, but update mark register too. */
#define MEXTEND(p,n) STMT_START {if (stack_max - p < (n)) { \
int markoff = mark - stack_base; \
sp = stack_grow(sp,p,(int) (n)); \
mark = stack_base + markoff; \
} } STMT_END
#define PUSHs(s) (*++sp = (s))
#define PUSHTARG STMT_START { SvSETMAGIC(TARG); PUSHs(TARG); } STMT_END
#define PUSHp(p,l) STMT_START { sv_setpvn(TARG, (p), (l)); PUSHTARG; } STMT_END
#define PUSHn(n) STMT_START { sv_setnv(TARG, (double)(n)); PUSHTARG; } STMT_END
#define PUSHi(i) STMT_START { sv_setiv(TARG, (IV)(i)); PUSHTARG; } STMT_END
#define PUSHu(u) STMT_START { sv_setuv(TARG, (UV)(u)); PUSHTARG; } STMT_END
#define XPUSHs(s) STMT_START { EXTEND(sp,1); (*++sp = (s)); } STMT_END
#define XPUSHTARG STMT_START { SvSETMAGIC(TARG); XPUSHs(TARG); } STMT_END
#define XPUSHp(p,l) STMT_START { sv_setpvn(TARG, (p), (l)); XPUSHTARG; } STMT_END
#define XPUSHn(n) STMT_START { sv_setnv(TARG, (double)(n)); XPUSHTARG; } STMT_END
#define XPUSHi(i) STMT_START { sv_setiv(TARG, (IV)(i)); XPUSHTARG; } STMT_END
#define XPUSHu(u) STMT_START { sv_setuv(TARG, (UV)(u)); XPUSHTARG; } STMT_END
#define SETs(s) (*sp = s)
#define SETTARG STMT_START { SvSETMAGIC(TARG); SETs(TARG); } STMT_END
#define SETp(p,l) STMT_START { sv_setpvn(TARG, (p), (l)); SETTARG; } STMT_END
#define SETn(n) STMT_START { sv_setnv(TARG, (double)(n)); SETTARG; } STMT_END
#define SETi(i) STMT_START { sv_setiv(TARG, (IV)(i)); SETTARG; } STMT_END
#define SETu(u) STMT_START { sv_setuv(TARG, (UV)(u)); SETTARG; } STMT_END
#define dTOPss SV *sv = TOPs
#define dPOPss SV *sv = POPs
#define dTOPnv double value = TOPn
#define dPOPnv double value = POPn
#define dTOPiv IV value = TOPi
#define dPOPiv IV value = POPi
#define dTOPuv UV value = TOPu
#define dPOPuv UV value = POPu
#define dPOPXssrl(X) SV *right = POPs; SV *left = CAT2(X,s)
#define dPOPXnnrl(X) double right = POPn; double left = CAT2(X,n)
#define dPOPXiirl(X) IV right = POPi; IV left = CAT2(X,i)
#define USE_LEFT(sv) \
(SvOK(sv) || SvGMAGICAL(sv) || !(op->op_flags & OPf_STACKED))
#define dPOPXnnrl_ul(X) \
double right = POPn; \
SV *leftsv = CAT2(X,s); \
double left = USE_LEFT(leftsv) ? SvNV(leftsv) : 0.0
#define dPOPXiirl_ul(X) \
IV right = POPi; \
SV *leftsv = CAT2(X,s); \
IV left = USE_LEFT(leftsv) ? SvIV(leftsv) : 0
#define dPOPPOPssrl dPOPXssrl(POP)
#define dPOPPOPnnrl dPOPXnnrl(POP)
#define dPOPPOPnnrl_ul dPOPXnnrl_ul(POP)
#define dPOPPOPiirl dPOPXiirl(POP)
#define dPOPPOPiirl_ul dPOPXiirl_ul(POP)
#define dPOPTOPssrl dPOPXssrl(TOP)
#define dPOPTOPnnrl dPOPXnnrl(TOP)
#define dPOPTOPnnrl_ul dPOPXnnrl_ul(TOP)
#define dPOPTOPiirl dPOPXiirl(TOP)
#define dPOPTOPiirl_ul dPOPXiirl_ul(TOP)
#define RETPUSHYES RETURNX(PUSHs(&sv_yes))
#define RETPUSHNO RETURNX(PUSHs(&sv_no))
#define RETPUSHUNDEF RETURNX(PUSHs(&sv_undef))
#define RETSETYES RETURNX(SETs(&sv_yes))
#define RETSETNO RETURNX(SETs(&sv_no))
#define RETSETUNDEF RETURNX(SETs(&sv_undef))
#define ARGTARG op->op_targ
#define MAXARG op->op_private
#define SWITCHSTACK(f,t) AvFILL(f) = sp - stack_base; \
stack_base = AvARRAY(t); \
stack_max = stack_base + AvMAX(t); \
sp = stack_sp = stack_base + AvFILL(t); \
curstack = t;
#define EXTEND_MORTAL(n) \
STMT_START { \
if (tmps_ix + (n) >= tmps_max) \
Renew(tmps_stack, tmps_max = tmps_ix + (n) + 1, SV*); \
} STMT_END
#ifdef OVERLOAD
#define AMGf_noright 1
#define AMGf_noleft 2
#define AMGf_assign 4
#define AMGf_unary 8
#define tryAMAGICbinW(meth,assign,set) STMT_START { \
if (amagic_generation) { \
SV* tmpsv; \
SV* right= *(sp); SV* left= *(sp-1);\
if ((SvAMAGIC(left)||SvAMAGIC(right))&&\
(tmpsv=amagic_call(left, \
right, \
CAT2(meth,_amg), \
(assign)? AMGf_assign: 0))) {\
SPAGAIN; \
(void)POPs; set(tmpsv); RETURN; } \
} \
} STMT_END
#define tryAMAGICbin(meth,assign) tryAMAGICbinW(meth,assign,SETsv)
#define tryAMAGICbinSET(meth,assign) tryAMAGICbinW(meth,assign,SETs)
#define AMG_CALLun(sv,meth) amagic_call(sv,&sv_undef, \
CAT2(meth,_amg),AMGf_noright | AMGf_unary)
#define AMG_CALLbinL(left,right,meth) \
amagic_call(left,right,CAT2(meth,_amg),AMGf_noright)
#define tryAMAGICunW(meth,set) STMT_START { \
if (amagic_generation) { \
SV* tmpsv; \
SV* arg= *(sp); \
if ((SvAMAGIC(arg))&&\
(tmpsv=AMG_CALLun(arg,meth))) {\
SPAGAIN; \
set(tmpsv); RETURN; } \
} \
} STMT_END
#define tryAMAGICun tryAMAGICunSET
#define tryAMAGICunSET(meth) tryAMAGICunW(meth,SETs)
#define opASSIGN (op->op_flags & OPf_STACKED)
#define SETsv(sv) STMT_START { \
if (opASSIGN) { sv_setsv(TARG, (sv)); SETTARG; } \
else SETs(sv); } STMT_END
/* newSVsv does not behave as advertised, so we copy missing
* information by hand */
#define RvDEEPCP(rv) STMT_START { SV* ref=SvRV(rv); \
if (SvREFCNT(ref)>1) { \
SvREFCNT_dec(ref); \
SvRV(rv)=AMG_CALLun(rv,copy); \
} } STMT_END
#else
#define tryAMAGICbin(a,b)
#define tryAMAGICbinSET(a,b)
#define tryAMAGICun(a)
#define tryAMAGICunSET(a)
#endif /* OVERLOAD */
|
