/usr/share/shedskin/lib/builtin/function.cpp is in shedskin 0.9.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /* Copyright 2005-2011 Mark Dufour and contributors; License Expat (See LICENSE) */
/* builtin functions */
str *raw_input(str *msg) {
if(msg and len(msg)) {
__ss_stdout->write(msg);
__ss_stdout->options.lastchar = msg->unit[len(msg)-1];
}
str *s = __ss_stdin->readline();
if(len(s) and s->unit[len(s)-1] == '\n')
s->unit.erase(s->unit.end()-1, s->unit.end());
if(__ss_stdin->__eof())
throw new EOFError();
return s;
}
__ss_int __int(str *s, __ss_int base) {
char *cp;
__ss_int i;
#ifdef __SS_LONG
i = strtoll(s->unit.c_str(), &cp, base);
#else
i = strtol(s->unit.c_str(), &cp, base);
#endif
if(*cp != '\0') {
s = s->rstrip();
#ifdef __SS_LONG
i = strtoll(s->unit.c_str(), &cp, base);
#else
i = strtol(s->unit.c_str(), &cp, base);
#endif
if(*cp != '\0')
throw new ValueError(new str("invalid literal for int()"));
}
return i;
}
template<> double __float(str *s) {
return strtod(s->unit.c_str(), NULL);
}
template<> __ss_int id(__ss_int) { throw new TypeError(new str("'id' called with integer")); }
template<> __ss_int id(double) { throw new TypeError(new str("'id' called with float")); }
template<> __ss_int id(__ss_bool) { throw new TypeError(new str("'id' called with bool")); }
static int range_len(int lo, int hi, int step) {
/* modified from CPython */
int n = 0;
if ((lo < hi) && (step>0)) {
unsigned int uhi = (unsigned int)hi;
unsigned int ulo = (unsigned int)lo;
unsigned int diff = uhi - ulo - 1;
n = (int)(diff / (unsigned int)step + 1);
}
else {
if ((lo > hi) && (step<0)) {
unsigned int uhi = (unsigned int)lo;
unsigned int ulo = (unsigned int)hi;
unsigned int diff = uhi - ulo - 1;
n = (int)(diff / (unsigned int)(-step) + 1);
}
}
return n;
}
list<__ss_int> *range(__ss_int a, __ss_int b, __ss_int s) {
list<__ss_int> *r;
__ss_int i;
int pos;
r = new list<__ss_int>();
pos = 0;
i = a;
if(s==0)
__throw_range_step_zero();
if(s==1) {
r->units.resize(b-a);
for(; i<b;i++)
r->units[pos++] = i;
return r;
}
r->units.resize(range_len(a,b,s));
if(s>0) {
while((i<b)) {
r->units[pos++] = i;
i += s;
}
}
else {
while((i>b)) {
r->units[pos++] = i;
i += s;
}
}
return r;
}
list<__ss_int> *range(__ss_int n) {
return range(0, n);
}
class __rangeiter : public __iter<__ss_int> {
public:
__ss_int i, a, b, s;
__rangeiter(__ss_int a, __ss_int b, __ss_int s) {
this->__class__ = cl_rangeiter;
this->a = a;
this->b = b;
this->s = s;
i = a;
if(s==0)
throw new ValueError(new str("xrange() arg 3 must not be zero"));
}
__ss_int next() {
if(s>0) {
if(i<b) {
i += s;
return i-s;
}
}
else if(i>b) {
i += s;
return i-s;
}
throw new StopIteration();
}
};
__xrange::__xrange(__ss_int a, __ss_int b, __ss_int s) {
this->a = a;
this->b = b;
this->s = s;
}
__iter<__ss_int> *__xrange::__iter__() {
return new __rangeiter(a, b, s);
}
__ss_int __xrange::__len__() {
return range_len(a, b, s);
}
str *__xrange::__repr__() {
if(s==1) {
if(a==0)
return __modct(new str("xrange(%d)"), 1, ___box(b));
else
return __modct(new str("xrange(%d, %d)"), 2, ___box(a), ___box(b));
}
return __modct(new str("xrange(%d, %d, %d)"), 3, ___box(a), ___box(b), ___box(s)); /* XXX */
}
__xrange *xrange(__ss_int a, __ss_int b, __ss_int s) { return new __xrange(a,b,s); }
__xrange *xrange(__ss_int n) { return new __xrange(0, n, 1); }
__iter<__ss_int> *reversed(__xrange *x) {
return new __rangeiter(x->a+(range_len(x->a,x->b,x->s)-1)*x->s, x->a-x->s, -x->s);
}
/* representation */
template<> str *repr(double d) { return __str(d); }
#ifdef __SS_LONG
template<> str *repr(__ss_int i) { return __str(i); }
#endif
template<> str *repr(int i) { return __str(i); }
template<> str *repr(__ss_bool b) { return b.value?(new str("True")):(new str("False")); }
template<> str *repr(void *) { return new str("None"); }
str *__str(void *) { return new str("void"); }
/* get class pointer */
template<> class_ *__type(int) { return cl_int_; }
template<> class_ *__type(double) { return cl_float_; }
/* hex, oct, bin */
template<> str *hex(int i) {
if(i<0)
return (new str("-0x"))->__add__(__str(-i, 16));
else
return (new str("0x"))->__add__(__str(i, 16));
}
template<> str *hex(__ss_bool b) { return hex(b.value); }
template<> str *oct(int i) {
if(i<0)
return (new str("-0"))->__add__(__str(-i, 8));
else if(i>0)
return (new str("0"))->__add__(__str(i, 8));
else
return new str("0");
}
template<> str *oct(__ss_bool b) { return oct(b.value); }
template<> str *bin(int i) {
if(i<0)
return (new str("-0b"))->__add__(__str(-i, 2));
else
return (new str("0b"))->__add__(__str(i, 2));
}
template<> str *bin(__ss_bool b) { return bin(b.value); }
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