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1 /* Copyright JS Foundation and other contributors, http://js.foundation
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "ecma-builtins.h"
17 #include "ecma-exceptions.h"
18 #include "ecma-gc.h"
19 #include "ecma-globals.h"
20 #include "ecma-helpers.h"
21 #include "ecma-arraybuffer-object.h"
22 #include "ecma-dataview-object.h"
23 #include "ecma-try-catch-macro.h"
24 #include "ecma-typedarray-object.h"
25 #include "jrt.h"
26 
27 #if ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY)
28 
29 #define ECMA_BUILTINS_INTERNAL
30 #include "ecma-builtins-internal.h"
31 
32 #define BUILTIN_INC_HEADER_NAME "ecma-builtin-arraybuffer.inc.h"
33 #define BUILTIN_UNDERSCORED_ID arraybuffer
34 #include "ecma-builtin-internal-routines-template.inc.h"
35 
36 /** \addtogroup ecma ECMA
37  * @{
38  *
39  * \addtogroup ecmabuiltins
40  * @{
41  *
42  * \addtogroup arraybuffer ECMA ArrayBuffer object built-in
43  * @{
44  */
45 
46 /**
47  * The ArrayBuffer object's 'isView' routine
48  *
49  * See also:
50  *         ES2015 24.1.3.1
51  *
52  * @return ecma value
53  *         Returned value must be freed with ecma_free_value.
54  */
55 static ecma_value_t
ecma_builtin_arraybuffer_object_is_view(ecma_value_t this_arg,ecma_value_t arg)56 ecma_builtin_arraybuffer_object_is_view (ecma_value_t this_arg, /**< 'this' argument */
57                                          ecma_value_t arg) /**< argument 1 */
58 {
59   JERRY_UNUSED (this_arg);
60 #if ENABLED (JERRY_ES2015_BUILTIN_DATAVIEW)
61   return ecma_make_boolean_value (ecma_is_typedarray (arg) || ecma_is_dataview (arg));
62 #else
63   JERRY_UNUSED (arg);
64   return ECMA_VALUE_FALSE;
65 #endif /* ENABLED (JERRY_ES2015_BUILTIN_DATAVIEW */
66 } /* ecma_builtin_arraybuffer_object_is_view */
67 
68 /**
69  * Handle calling [[Call]] of built-in ArrayBuffer object
70  *
71  * ES2015 24.1.2 ArrayBuffer is not intended to be called as
72  * a function and will throw an exception when called in
73  * that manner.
74  *
75  * @return ecma value
76  */
77 ecma_value_t
ecma_builtin_arraybuffer_dispatch_call(const ecma_value_t * arguments_list_p,ecma_length_t arguments_list_len)78 ecma_builtin_arraybuffer_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
79                                         ecma_length_t arguments_list_len) /**< number of arguments */
80 {
81   JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
82 
83   return ecma_raise_type_error (ECMA_ERR_MSG ("Constructor ArrayBuffer requires 'new'"));
84 } /* ecma_builtin_arraybuffer_dispatch_call */
85 
86 /**
87  * Handle calling [[Construct]] of built-in ArrayBuffer object
88  *
89  * @return ecma value
90  */
91 ecma_value_t
ecma_builtin_arraybuffer_dispatch_construct(const ecma_value_t * arguments_list_p,ecma_length_t arguments_list_len)92 ecma_builtin_arraybuffer_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
93                                              ecma_length_t arguments_list_len) /**< number of arguments */
94 {
95   JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
96 
97   return ecma_op_create_arraybuffer_object (arguments_list_p, arguments_list_len);
98 } /* ecma_builtin_arraybuffer_dispatch_construct */
99 
100 /**
101  * 24.1.3.3 get ArrayBuffer [ @@species ] accessor
102  *
103  * @return ecma_value
104  *         returned value must be freed with ecma_free_value
105  */
106 ecma_value_t
ecma_builtin_arraybuffer_species_get(ecma_value_t this_value)107 ecma_builtin_arraybuffer_species_get (ecma_value_t this_value) /**< This Value */
108 {
109   return ecma_copy_value (this_value);
110 } /* ecma_builtin_arraybuffer_species_get */
111 
112 /**
113  * @}
114  * @}
115  * @}
116  */
117 
118 #endif /* ENABLED (JERRY_ES2015_BUILTIN_TYPEDARRAY) */
119