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literals.h
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literals.h
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#ifndef SV_LITERALS_H
#define SV_LITERALS_H
#include "ant.h"
#include "silver/engine.h"
static inline void sv_op_const(sv_vm_t *vm, sv_func_t *func, uint8_t *ip) {
uint32_t idx = sv_get_u32(ip + 1);
vm->stack[vm->sp++] = func->constants[idx];
}
static inline void sv_op_const_i8(sv_vm_t *vm, uint8_t *ip) {
int8_t val = sv_get_i8(ip + 1);
vm->stack[vm->sp++] = tov((double)val);
}
static inline void sv_op_const8(sv_vm_t *vm, sv_func_t *func, uint8_t *ip) {
uint8_t idx = sv_get_u8(ip + 1);
vm->stack[vm->sp++] = func->constants[idx];
}
static inline void sv_op_undef(sv_vm_t *vm) {
vm->stack[vm->sp++] = mkval(T_UNDEF, 0);
}
static inline void sv_op_null(sv_vm_t *vm) {
vm->stack[vm->sp++] = mkval(T_NULL, 0);
}
static inline void sv_op_true(sv_vm_t *vm) {
vm->stack[vm->sp++] = js_true;
}
static inline void sv_op_false(sv_vm_t *vm) {
vm->stack[vm->sp++] = js_false;
}
static inline void sv_op_this(sv_vm_t *vm, sv_frame_t *frame) {
vm->stack[vm->sp++] = frame->this;
}
static inline void sv_op_global(sv_vm_t *vm, ant_t *js) {
vm->stack[vm->sp++] = js->global;
}
static inline void sv_op_object(sv_vm_t *vm, ant_t *js) {
jsval_t obj = mkobj(js, 0);
jsval_t proto = js_get_ctor_proto(js, "Object", 6);
if (vtype(proto) == T_OBJ) js_set_proto(js, obj, proto);
vm->stack[vm->sp++] = obj;
}
static inline void sv_op_array(sv_vm_t *vm, ant_t *js, uint8_t *ip) {
uint16_t n = sv_get_u16(ip + 1);
jsval_t arr = js_mkarr(js);
jshdl_t h = js_root(js, arr);
for (uint16_t i = 0; i < n; i++) {
jsval_t val = vm->stack[vm->sp - n + i];
js_arr_push(js, js_deref(js, h), val);
}
vm->sp -= n;
vm->stack[vm->sp++] = js_deref(js, h);
js_unroot(js, h);
}
static inline void sv_op_regexp(sv_vm_t *vm, ant_t *js) {
jsval_t pattern = vm->stack[vm->sp - 2];
jsval_t flags = vm->stack[vm->sp - 1];
vm->sp -= 2;
jsval_t regexp_obj = mkobj(js, 0);
jshdl_t h = js_root(js, regexp_obj);
jsval_t regexp_proto = js_get_ctor_proto(js, "RegExp", 6);
if (vtype(regexp_proto) == T_OBJ) js_set_proto(js, js_deref(js, h), regexp_proto);
js_mkprop_fast(js, js_deref(js, h), "source", 6, pattern);
jsoff_t flen = 0;
const char *fstr = "";
if (vtype(flags) == T_STR) {
jsoff_t foff;
foff = vstr(js, flags, &flen);
fstr = (const char *)&js->mem[foff];
}
bool g = false, i = false, m = false, s = false, y = false;
for (jsoff_t k = 0; k < flen; k++) {
if (fstr[k] == 'g') g = true;
if (fstr[k] == 'i') i = true;
if (fstr[k] == 'm') m = true;
if (fstr[k] == 's') s = true;
if (fstr[k] == 'y') y = true;
}
char sorted[8]; int si = 0;
if (g) sorted[si++] = 'g';
if (i) sorted[si++] = 'i';
if (m) sorted[si++] = 'm';
if (s) sorted[si++] = 's';
if (y) sorted[si++] = 'y';
jsval_t obj = js_deref(js, h);
js_mkprop_fast(js, obj, "flags", 5, js_mkstr(js, sorted, si));
js_mkprop_fast(js, obj, "global", 6, mkval(T_BOOL, g ? 1 : 0));
js_mkprop_fast(js, obj, "ignoreCase", 10, mkval(T_BOOL, i ? 1 : 0));
js_mkprop_fast(js, obj, "multiline", 9, mkval(T_BOOL, m ? 1 : 0));
js_mkprop_fast(js, obj, "dotAll", 6, mkval(T_BOOL, s ? 1 : 0));
js_mkprop_fast(js, obj, "sticky", 6, mkval(T_BOOL, y ? 1 : 0));
js_mkprop_fast(js, obj, "lastIndex", 9, tov(0));
vm->stack[vm->sp++] = js_deref(js, h);
js_unroot(js, h);
}
#endif

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