Page MenuHomePhorge
Files F2916164

bitwise.h
No OneTemporary
Actions

Size
4 KB
Referenced Files
None
Subscribers
None

bitwise.h
View Options

#ifndef SV_BITWISE_H
#define SV_BITWISE_H
#include "errors.h"
#include "silver/engine.h"
static inline jsval_t sv_op_band(sv_vm_t *vm, ant_t *js) {
jsval_t r = vm->stack[--vm->sp];
jsval_t l = vm->stack[--vm->sp];
uint8_t lt = vtype(l), rt = vtype(r);
if (lt == T_BIGINT || rt == T_BIGINT) {
if (lt != T_BIGINT || rt != T_BIGINT)
return js_mkerr(js, "Cannot mix BigInt value and other types");
return js_mkerr_typed(js, JS_ERR_TYPE, "BigInt does not support bitwise ops");
}
int32_t ai = (lt == T_NUM) ? js_to_int32(tod(l)) : js_to_int32(js_to_number(js, l));
int32_t bi = (rt == T_NUM) ? js_to_int32(tod(r)) : js_to_int32(js_to_number(js, r));
vm->stack[vm->sp++] = tov((double)(ai & bi));
return tov(0);
}
static inline jsval_t sv_op_bor(sv_vm_t *vm, ant_t *js) {
jsval_t r = vm->stack[--vm->sp];
jsval_t l = vm->stack[--vm->sp];
uint8_t lt = vtype(l), rt = vtype(r);
if (lt == T_BIGINT || rt == T_BIGINT) {
if (lt != T_BIGINT || rt != T_BIGINT)
return js_mkerr(js, "Cannot mix BigInt value and other types");
return js_mkerr_typed(js, JS_ERR_TYPE, "BigInt does not support bitwise ops");
}
int32_t ai = (lt == T_NUM) ? js_to_int32(tod(l)) : js_to_int32(js_to_number(js, l));
int32_t bi = (rt == T_NUM) ? js_to_int32(tod(r)) : js_to_int32(js_to_number(js, r));
vm->stack[vm->sp++] = tov((double)(ai | bi));
return tov(0);
}
static inline jsval_t sv_op_bxor(sv_vm_t *vm, ant_t *js) {
jsval_t r = vm->stack[--vm->sp];
jsval_t l = vm->stack[--vm->sp];
uint8_t lt = vtype(l), rt = vtype(r);
if (lt == T_BIGINT || rt == T_BIGINT) {
if (lt != T_BIGINT || rt != T_BIGINT)
return js_mkerr(js, "Cannot mix BigInt value and other types");
return js_mkerr_typed(js, JS_ERR_TYPE, "BigInt does not support bitwise ops");
}
int32_t ai = (lt == T_NUM) ? js_to_int32(tod(l)) : js_to_int32(js_to_number(js, l));
int32_t bi = (rt == T_NUM) ? js_to_int32(tod(r)) : js_to_int32(js_to_number(js, r));
vm->stack[vm->sp++] = tov((double)(ai ^ bi));
return tov(0);
}
static inline void sv_op_bnot(sv_vm_t *vm, ant_t *js) {
jsval_t a = vm->stack[--vm->sp];
vm->stack[vm->sp++] = tov((double)(~js_to_int32(js_to_number(js, a))));
}
static inline jsval_t sv_op_shl(sv_vm_t *vm, ant_t *js) {
jsval_t r = vm->stack[--vm->sp];
jsval_t l = vm->stack[--vm->sp];
uint8_t lt = vtype(l), rt = vtype(r);
if (lt == T_BIGINT || rt == T_BIGINT) {
if (lt != T_BIGINT || rt != T_BIGINT)
return js_mkerr(js, "Cannot mix BigInt value and other types");
uint64_t shift = 0;
jsval_t err = bigint_asint_bits(js, r, &shift);
if (is_err(err)) return err;
jsval_t res = bigint_shift_left(js, l, shift);
if (is_err(res)) return res;
vm->stack[vm->sp++] = res;
return tov(0);
}
int32_t ai = (lt == T_NUM) ? js_to_int32(tod(l)) : js_to_int32(js_to_number(js, l));
uint32_t bi = (rt == T_NUM) ? js_to_uint32(tod(r)) : js_to_uint32(js_to_number(js, r));
vm->stack[vm->sp++] = tov((double)(ai << (bi & 0x1f)));
return tov(0);
}
static inline jsval_t sv_op_shr(sv_vm_t *vm, ant_t *js) {
jsval_t r = vm->stack[--vm->sp];
jsval_t l = vm->stack[--vm->sp];
uint8_t lt = vtype(l), rt = vtype(r);
if (lt == T_BIGINT || rt == T_BIGINT) {
if (lt != T_BIGINT || rt != T_BIGINT)
return js_mkerr(js, "Cannot mix BigInt value and other types");
uint64_t shift = 0;
jsval_t err = bigint_asint_bits(js, r, &shift);
if (is_err(err)) return err;
jsval_t res = bigint_shift_right(js, l, shift);
if (is_err(res)) return res;
vm->stack[vm->sp++] = res;
return tov(0);
}
int32_t ai = (lt == T_NUM) ? js_to_int32(tod(l)) : js_to_int32(js_to_number(js, l));
uint32_t bi = (rt == T_NUM) ? js_to_uint32(tod(r)) : js_to_uint32(js_to_number(js, r));
vm->stack[vm->sp++] = tov((double)(ai >> (bi & 0x1f)));
return tov(0);
}
static inline jsval_t sv_op_ushr(sv_vm_t *vm, ant_t *js) {
jsval_t r = vm->stack[--vm->sp];
jsval_t l = vm->stack[--vm->sp];
uint8_t lt = vtype(l), rt = vtype(r);
if (lt == T_BIGINT || rt == T_BIGINT) {
if (lt != T_BIGINT || rt != T_BIGINT)
return js_mkerr(js, "Cannot mix BigInt value and other types");
uint64_t shift = 0;
jsval_t err = bigint_asint_bits(js, r, &shift);
if (is_err(err)) return err;
jsval_t res = bigint_shift_right_logical(js, l, shift);
if (is_err(res)) return res;
vm->stack[vm->sp++] = res;
return tov(0);
}
uint32_t ai = (lt == T_NUM) ? js_to_uint32(tod(l)) : js_to_uint32(js_to_number(js, l));
uint32_t bi = (rt == T_NUM) ? js_to_uint32(tod(r)) : js_to_uint32(js_to_number(js, r));
vm->stack[vm->sp++] = tov((double)(ai >> (bi & 0x1f)));
return tov(0);
}
#endif

File Metadata

Mime Type
text/x-c
Expires
Thu, Mar 26, 4:42 PM (1 d, 4 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
511864
Default Alt Text
bitwise.h (4 KB)

Event Timeline