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stack.h
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stack.h
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#ifndef SV_STACK_H
#define SV_STACK_H
#include "silver/engine.h"
static inline void sv_op_pop(sv_vm_t *vm) {
vm->sp--;
}
static inline void sv_op_dup(sv_vm_t *vm) {
jsval_t a = vm->stack[vm->sp - 1];
vm->stack[vm->sp++] = a;
}
static inline void sv_op_dup2(sv_vm_t *vm) {
jsval_t a = vm->stack[vm->sp - 2];
jsval_t b = vm->stack[vm->sp - 1];
vm->stack[vm->sp++] = a;
vm->stack[vm->sp++] = b;
}
static inline void sv_op_swap(sv_vm_t *vm) {
jsval_t a = vm->stack[vm->sp - 2];
vm->stack[vm->sp - 2] = vm->stack[vm->sp - 1];
vm->stack[vm->sp - 1] = a;
}
static inline void sv_op_rot3l(sv_vm_t *vm) {
jsval_t x = vm->stack[vm->sp - 3];
vm->stack[vm->sp - 3] = vm->stack[vm->sp - 2];
vm->stack[vm->sp - 2] = vm->stack[vm->sp - 1];
vm->stack[vm->sp - 1] = x;
}
static inline void sv_op_rot3r(sv_vm_t *vm) {
jsval_t x = vm->stack[vm->sp - 1];
vm->stack[vm->sp - 1] = vm->stack[vm->sp - 2];
vm->stack[vm->sp - 2] = vm->stack[vm->sp - 3];
vm->stack[vm->sp - 3] = x;
}
static inline void sv_op_nip(sv_vm_t *vm) {
vm->stack[vm->sp - 2] = vm->stack[vm->sp - 1];
vm->sp--;
}
static inline void sv_op_nip2(sv_vm_t *vm) {
vm->stack[vm->sp - 3] = vm->stack[vm->sp - 1];
vm->sp -= 2;
}
static inline void sv_op_insert2(sv_vm_t *vm) {
jsval_t a = vm->stack[vm->sp - 1];
jsval_t obj = vm->stack[vm->sp - 2];
vm->stack[vm->sp - 2] = a;
vm->stack[vm->sp - 1] = obj;
vm->stack[vm->sp++] = a;
}
static inline void sv_op_insert3(sv_vm_t *vm) {
jsval_t a = vm->stack[vm->sp - 1];
jsval_t prop = vm->stack[vm->sp - 2];
jsval_t obj = vm->stack[vm->sp - 3];
vm->stack[vm->sp - 3] = a;
vm->stack[vm->sp - 2] = obj;
vm->stack[vm->sp - 1] = prop;
vm->stack[vm->sp++] = a;
}
static inline void sv_op_swap_under(sv_vm_t *vm) {
jsval_t tmp = vm->stack[vm->sp - 3];
vm->stack[vm->sp - 3] = vm->stack[vm->sp - 2];
vm->stack[vm->sp - 2] = tmp;
}
static inline void sv_op_rot4_under(sv_vm_t *vm) {
jsval_t a = vm->stack[vm->sp - 4];
jsval_t b = vm->stack[vm->sp - 3];
jsval_t c = vm->stack[vm->sp - 2];
vm->stack[vm->sp - 4] = c;
vm->stack[vm->sp - 3] = a;
vm->stack[vm->sp - 2] = b;
}
#endif

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