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Add hex()

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This commit is contained in:
K Lange 2021-01-12 22:57:39 +09:00
parent 975d4dcb9b
commit 70732eed56
2 changed files with 13 additions and 1 deletions
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2
rline.c
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@ -553,7 +553,7 @@ char * syn_krk_types[] = {
"len", "str", "int", "float", "dir", "repr", /* global functions from __builtins__ */
"list","dict","range", /* builtin classes */
"object","exception","isinstance","type",
"print","set","any","all","bool","ord","chr",
"print","set","any","all","bool","ord","chr","hex",
NULL
};

12
vm.c
View File

@ -2691,6 +2691,17 @@ static KrkValue _chr(int argc, KrkValue argv[]) {
}
}
static KrkValue _hex(int argc, KrkValue argv[]) {
if (argc != 1 || !IS_INTEGER(argv[0])) {
krk_runtimeError(vm.exceptions.argumentError, "hex() expects one int argument");
return NONE_VAL();
}
char tmp[20];
long x = AS_INTEGER(argv[0]);
size_t len = sprintf(tmp, "%s0x%lx", x < 0 ? "-" : "", x < 0 ? -x : x);
return OBJECT_VAL(krk_copyString(tmp,len));
}
static KrkValue _tuple_iter_init(int argc, KrkValue argv[]) {
KrkInstance * self = AS_INSTANCE(argv[0]);
krk_push(argv[0]);
@ -3222,6 +3233,7 @@ void krk_initVM(int flags) {
BUILTIN_FUNCTION("print", _print);
BUILTIN_FUNCTION("ord", _ord);
BUILTIN_FUNCTION("chr", _chr);
BUILTIN_FUNCTION("hex", _hex);
/* __builtins__.set_tracing is namespaced */
krk_defineNative(&vm.builtins->fields, "set_tracing", krk_set_tracing);