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locals.h
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locals.h
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#ifndef SV_LOCALS_H
#define SV_LOCALS_H
#include "silver/engine.h"
#include "errors.h"
static inline void sv_op_get_local(sv_vm_t *vm, jsval_t *lp, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
vm->stack[vm->sp++] = lp[idx];
}
static inline void sv_op_put_local(sv_vm_t *vm, jsval_t *lp, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
lp[idx] = vm->stack[--vm->sp];
}
static inline void sv_op_set_local(sv_vm_t *vm, jsval_t *lp, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
lp[idx] = vm->stack[vm->sp - 1];
}
static inline void sv_op_get_local8(sv_vm_t *vm, jsval_t *lp, uint8_t *ip) {
uint8_t idx = sv_get_u8(ip + 1);
vm->stack[vm->sp++] = lp[idx];
}
static inline void sv_op_put_local8(sv_vm_t *vm, jsval_t *lp, uint8_t *ip) {
uint8_t idx = sv_get_u8(ip + 1);
lp[idx] = vm->stack[--vm->sp];
}
static inline void sv_op_set_local8(sv_vm_t *vm, jsval_t *lp, uint8_t *ip) {
uint8_t idx = sv_get_u8(ip + 1);
lp[idx] = vm->stack[vm->sp - 1];
}
static inline void sv_op_set_local_undef(jsval_t *lp, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
lp[idx] = SV_TDZ;
}
static inline jsval_t sv_op_get_local_chk(
sv_vm_t *vm, jsval_t *lp,
ant_t *js, sv_func_t *func, uint8_t *ip
) {
uint16_t idx = sv_get_u16(ip + 1);
jsval_t val = lp[idx];
if (val == SV_TDZ) {
uint32_t ai = sv_get_u32(ip + 3);
if (ai < (uint32_t)func->atom_count) {
sv_atom_t *a = &func->atoms[ai];
return js_mkerr_typed(
js, JS_ERR_REFERENCE,
"Cannot access '%.*s' before initialization", (int)a->len, a->str);
}
return js_mkerr_typed(
js, JS_ERR_REFERENCE,
"Cannot access variable before initialization");
}
vm->stack[vm->sp++] = val;
return val;
}
static inline jsval_t sv_op_put_local_chk(
sv_vm_t *vm, jsval_t *lp,
ant_t *js, sv_func_t *func, uint8_t *ip
) {
uint16_t idx = sv_get_u16(ip + 1);
jsval_t *slot = &lp[idx];
if (*slot == SV_TDZ) {
uint32_t ai = sv_get_u32(ip + 3);
if (ai < (uint32_t)func->atom_count) {
sv_atom_t *a = &func->atoms[ai];
return js_mkerr_typed(
js, JS_ERR_REFERENCE,
"Cannot access '%.*s' before initialization", (int)a->len, a->str);
}
return js_mkerr_typed(
js, JS_ERR_REFERENCE,
"Cannot access variable before initialization");
}
*slot = vm->stack[--vm->sp];
return *slot;
}
static inline void sv_op_get_arg(sv_vm_t *vm, sv_frame_t *frame, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
vm->stack[vm->sp++] = sv_frame_get_arg_value(frame, idx);
}
static inline void sv_op_put_arg(sv_vm_t *vm, sv_frame_t *frame, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
sv_frame_set_arg_value(frame, idx, vm->stack[--vm->sp]);
}
static inline void sv_op_set_arg(sv_vm_t *vm, sv_frame_t *frame, uint8_t *ip) {
uint16_t idx = sv_get_u16(ip + 1);
sv_frame_set_arg_value(frame, idx, vm->stack[vm->sp - 1]);
}
static inline void sv_op_rest(
sv_vm_t *vm, sv_frame_t *frame,
ant_t *js, uint8_t *ip
) {
uint16_t start = sv_get_u16(ip + 1);
jsval_t arr = js_mkarr(js);
jshdl_t h = js_root(js, arr);
if (frame->bp) {
for (int i = (int)start; i < frame->argc; i++)
js_arr_push(js, js_deref(js, h), frame->bp[i]);
}
vm->stack[vm->sp++] = js_deref(js, h);
js_unroot(js, h);
}
#endif

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