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Implement Proxy object [[Call]] internal method (#3609)

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JerryScript-DCO-1.0-Signed-off-by: Daniella Barsony bella@inf.u-szeged.hu
This commit is contained in:
Daniella Barsony
2020-03-11 15:38:16 +01:00
committed by GitHub
parent 64fd37d1db
commit 055f753d02
2 changed files with 369 additions and 11 deletions
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jerry-core/ecma/operations/ecma-proxy-object.c
+45 -2
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@@ -14,6 +14,7 @@
*/
#include "ecma-alloc.h"
#include "ecma-array-object.h"
#include "ecma-builtins.h"
#include "ecma-exceptions.h"
#include "ecma-function-object.h"
@@ -611,8 +612,50 @@ ecma_proxy_object_call (ecma_object_t *obj_p, /**< proxy object */
ecma_length_t argc) /**< number of arguments */
{
JERRY_ASSERT (ECMA_OBJECT_IS_PROXY (obj_p));
JERRY_UNUSED_4 (obj_p, this_argument, args_p, argc);
return ecma_raise_type_error (ECMA_ERR_MSG ("UNIMPLEMENTED: Proxy.[[Call]]"));
ecma_proxy_object_t *proxy_obj_p = (ecma_proxy_object_t *) obj_p;
/* 1. */
ecma_value_t handler = proxy_obj_p->handler;
/* 2. */
if (ecma_is_value_null (handler))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Handler can not be null."));
}
/* 3. */
JERRY_ASSERT (ecma_is_value_object (handler));
/* 4. */
ecma_value_t target = proxy_obj_p->target;
/* 5. */
ecma_value_t trap = ecma_op_get_method_by_magic_id (handler, LIT_MAGIC_STRING_APPLY);
/* 6. */
if (ECMA_IS_VALUE_ERROR (trap))
{
return trap;
}
/* 7. */
if (ecma_is_value_undefined (trap))
{
ecma_object_t *target_obj_p = ecma_get_object_from_value (target);
return ecma_op_function_call (target_obj_p, this_argument, args_p, argc);
}
/* 8. */
ecma_value_t args_array = ecma_op_create_array_object (args_p, argc, false);
ecma_value_t value_array[] = {target, this_argument, args_array};
ecma_object_t *func_obj_p = ecma_get_object_from_value (trap);
/* 9. */
ecma_value_t ret_value = ecma_op_function_call (func_obj_p, handler, value_array, 3);
ecma_deref_object (func_obj_p);
ecma_deref_object (ecma_get_object_from_value (args_array));
return ret_value;
} /* ecma_proxy_object_call */
/**