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Add SharedArrayBuffer support (#4689)

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JerryScript-DCO-1.0-Signed-off-by: Gergo Csizi csgergo92@gmail.com
This commit is contained in:
Gergo Csizi
2021-07-23 17:29:06 +02:00
committed by GitHub
parent bbf1c0105b
commit d9360f51d0
28 changed files with 1050 additions and 337 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-arraybuffer-prototype.c
+1 -122
View File
@@ -103,128 +103,7 @@ ecma_builtin_arraybuffer_prototype_object_slice (ecma_value_t this_arg, /**< thi
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not an ArrayBuffer object"));
}
/* TODO: step 3. if SharedArrayBuffer will be implemented */
/* 4. */
if (ecma_arraybuffer_is_detached (object_p))
{
return ecma_raise_type_error (ECMA_ERR_MSG (ecma_error_arraybuffer_is_detached));
}
/* 5. */
uint32_t len = ecma_arraybuffer_get_length (object_p);
uint32_t start = 0;
uint32_t end = len;
if (arguments_number > 0)
{
/* 6-7. */
if (ECMA_IS_VALUE_ERROR (ecma_builtin_helper_uint32_index_normalize (argument_list_p[0],
len,
&start)))
{
return ECMA_VALUE_ERROR;
}
if (arguments_number > 1 && !ecma_is_value_undefined (argument_list_p[1]))
{
/* 8-9 .*/
if (ECMA_IS_VALUE_ERROR (ecma_builtin_helper_uint32_index_normalize (argument_list_p[1],
len,
&end)))
{
return ECMA_VALUE_ERROR;
}
}
}
/* 10. */
uint32_t new_len = (end >= start) ? (end - start) : 0;
/* 11. */
ecma_value_t ctor = ecma_op_species_constructor (object_p, ECMA_BUILTIN_ID_ARRAYBUFFER);
if (ECMA_IS_VALUE_ERROR (ctor))
{
return ctor;
}
/* 12. */
ecma_object_t *ctor_obj_p = ecma_get_object_from_value (ctor);
ecma_value_t new_len_value = ecma_make_uint32_value (new_len);
ecma_value_t new_arraybuffer = ecma_op_function_construct (ctor_obj_p, ctor_obj_p, &new_len_value, 1);
ecma_deref_object (ctor_obj_p);
ecma_free_value (new_len_value);
if (ECMA_IS_VALUE_ERROR (new_arraybuffer))
{
return new_arraybuffer;
}
ecma_object_t *new_arraybuffer_p = ecma_get_object_from_value (new_arraybuffer);
ecma_value_t ret_value = ECMA_VALUE_EMPTY;
/* 13. */
if (!ecma_object_class_is (new_arraybuffer_p, ECMA_OBJECT_CLASS_ARRAY_BUFFER))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Return value is not an ArrayBuffer object"));
goto free_new_arraybuffer;
}
/* TODO: step 14. if SharedArrayBuffer will be implemented */
/* 15. */
if (ecma_arraybuffer_is_detached (new_arraybuffer_p))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Returned ArrayBuffer has been detached"));
goto free_new_arraybuffer;
}
/* 16. */
if (ecma_op_same_value (new_arraybuffer, this_arg))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("ArrayBuffer subclass returned this from species constructor"));
goto free_new_arraybuffer;
}
/* 17. */
if (ecma_arraybuffer_get_length (new_arraybuffer_p) < new_len)
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Derived ArrayBuffer constructor created a too small buffer"));
goto free_new_arraybuffer;
}
/* 19. */
if (ecma_arraybuffer_is_detached (object_p))
{
ret_value = ecma_raise_type_error (ECMA_ERR_MSG ("Original ArrayBuffer has been detached"));
goto free_new_arraybuffer;
}
/* 20. */
lit_utf8_byte_t *old_buf = ecma_arraybuffer_get_buffer (object_p);
/* 21. */
lit_utf8_byte_t *new_buf = ecma_arraybuffer_get_buffer (new_arraybuffer_p);
/* 22. */
memcpy (new_buf, old_buf + start, new_len);
free_new_arraybuffer:
if (ret_value != ECMA_VALUE_EMPTY)
{
ecma_deref_object (new_arraybuffer_p);
}
else
{
/* 23. */
ret_value = ecma_make_object_value (new_arraybuffer_p);
}
return ret_value;
return ecma_builtin_arraybuffer_slice (this_arg, argument_list_p, arguments_number);
} /* ecma_builtin_arraybuffer_prototype_object_slice */
/**
jerry-core/ecma/builtin-objects/ecma-builtin-global.inc.h
+4
View File
@@ -164,6 +164,10 @@ OBJECT_VALUE (LIT_MAGIC_STRING_ARRAY_BUFFER_UL,
ECMA_BUILTIN_ID_ARRAYBUFFER,
ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
OBJECT_VALUE (LIT_MAGIC_STRING_SHARED_ARRAY_BUFFER_UL,
ECMA_BUILTIN_ID_SHARED_ARRAYBUFFER,
ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
OBJECT_VALUE (LIT_MAGIC_STRING_INT8_ARRAY_UL,
ECMA_BUILTIN_ID_INT8ARRAY,
ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
jerry-core/ecma/builtin-objects/ecma-builtin-shared-arraybuffer-prototype.c
+112
View File
@@ -0,0 +1,112 @@
/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecma-builtin-helpers.h"
#include "ecma-builtins.h"
#include "ecma-conversion.h"
#include "ecma-exceptions.h"
#include "ecma-function-object.h"
#include "ecma-gc.h"
#include "ecma-globals.h"
#include "ecma-helpers.h"
#include "ecma-objects.h"
#include "ecma-shared-arraybuffer-object.h"
#include "ecma-arraybuffer-object.h"
#include "jrt.h"
#include "jrt-libc-includes.h"
#if JERRY_BUILTIN_TYPEDARRAY
#define ECMA_BUILTINS_INTERNAL
#include "ecma-builtins-internal.h"
#define BUILTIN_INC_HEADER_NAME "ecma-builtin-shared-arraybuffer-prototype.inc.h"
#define BUILTIN_UNDERSCORED_ID shared_arraybuffer_prototype
#include "ecma-builtin-internal-routines-template.inc.h"
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmabuiltins
* @{
*
* \addtogroup sharedarraybufferprototype ECMA SharedArrayBuffer.prototype object built-in
* @{
*/
/**
* The SharedArrayBuffer.prototype.bytelength accessor
*
* See also:
* ES11, 24.2.4.1
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_shared_arraybuffer_prototype_bytelength_getter (ecma_value_t this_arg) /**< this argument */
{
if (ecma_is_value_object (this_arg))
{
ecma_object_t *object_p = ecma_get_object_from_value (this_arg);
if (ecma_object_class_is (object_p, ECMA_OBJECT_CLASS_SHARED_ARRAY_BUFFER))
{
uint32_t len = ecma_arraybuffer_get_length (object_p);
return ecma_make_uint32_value (len);
}
}
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not a SharedArrayBuffer object"));
} /* ecma_builtin_shared_arraybuffer_prototype_bytelength_getter */
/**
* The SharedArrayBuffer.prototype object's 'slice' routine
*
* See also:
* ECMA-262 v11, 24.2.4.3
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_shared_arraybuffer_prototype_object_slice (ecma_value_t this_arg, /**< this argument */
const ecma_value_t *argument_list_p, /**< arguments list */
uint32_t arguments_number) /**< number of arguments */
{
if (!ecma_is_value_object (this_arg))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not an object"));
}
ecma_object_t *object_p = ecma_get_object_from_value (this_arg);
/* 2. */
if (!ecma_object_class_is (object_p, ECMA_OBJECT_CLASS_SHARED_ARRAY_BUFFER))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not an SharedArrayBuffer object"));
}
return ecma_builtin_arraybuffer_slice (this_arg, argument_list_p, arguments_number);
} /* ecma_builtin_shared_arraybuffer_prototype_object_slice */
/**
* @}
* @}
* @}
*/
#endif /* JERRY_BUILTIN_TYPEDARRAY */
jerry-core/ecma/builtin-objects/ecma-builtin-shared-arraybuffer-prototype.inc.h
+47
View File
@@ -0,0 +1,47 @@
/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* SharedArrayBuffer.prototype built-in description
*/
#include "ecma-builtin-helpers-macro-defines.inc.h"
#if JERRY_BUILTIN_TYPEDARRAY
/* Object properties:
* (property name, object pointer getter) */
OBJECT_VALUE (LIT_MAGIC_STRING_CONSTRUCTOR,
ECMA_BUILTIN_ID_SHARED_ARRAYBUFFER,
ECMA_PROPERTY_CONFIGURABLE_WRITABLE)
/* Readonly accessor properties */
ACCESSOR_READ_ONLY (LIT_MAGIC_STRING_BYTE_LENGTH_UL,
ecma_builtin_shared_arraybuffer_prototype_bytelength_getter,
ECMA_PROPERTY_FLAG_CONFIGURABLE)
/* ECMA-262 v11, 24.2.4.4 */
STRING_VALUE (LIT_GLOBAL_SYMBOL_TO_STRING_TAG,
LIT_MAGIC_STRING_SHARED_ARRAY_BUFFER_UL,
ECMA_PROPERTY_FLAG_CONFIGURABLE)
/* Routine properties:
* (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
ROUTINE (LIT_MAGIC_STRING_SLICE, ecma_builtin_shared_arraybuffer_prototype_object_slice, NON_FIXED, 2)
#endif /* JERRY_BUILTIN_TYPEDARRAY */
#include "ecma-builtin-helpers-macro-undefs.inc.h"
jerry-core/ecma/builtin-objects/ecma-builtin-shared-arraybuffer.c
+95
View File
@@ -0,0 +1,95 @@
/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ecma-builtins.h"
#include "ecma-exceptions.h"
#include "ecma-gc.h"
#include "ecma-globals.h"
#include "ecma-helpers.h"
#include "ecma-shared-arraybuffer-object.h"
#include "ecma-dataview-object.h"
#include "ecma-typedarray-object.h"
#include "jrt.h"
#if JERRY_BUILTIN_TYPEDARRAY
#define ECMA_BUILTINS_INTERNAL
#include "ecma-builtins-internal.h"
#define BUILTIN_INC_HEADER_NAME "ecma-builtin-shared-arraybuffer.inc.h"
#define BUILTIN_UNDERSCORED_ID shared_arraybuffer
#include "ecma-builtin-internal-routines-template.inc.h"
/** \addtogroup ecma ECMA
* @{
*
* \addtogroup ecmabuiltins
* @{
*
* \addtogroup sharedarraybuffer ECMA SharedArrayBuffer object built-in
* @{
*/
/**
* Handle calling [[Call]] of built-in SharedArrayBuffer object
*
* ES11 24.2.2 SharedArrayBuffer is not intended to be called as
* a function and will throw an exception when called in
* that manner.
*
* @return ecma value
*/
ecma_value_t
ecma_builtin_shared_arraybuffer_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
uint32_t arguments_list_len) /**< number of arguments */
{
JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
return ecma_raise_type_error (ECMA_ERR_MSG ("Constructor SharedArrayBuffer requires 'new'"));
} /* ecma_builtin_shared_arraybuffer_dispatch_call */
/**
* Handle calling [[Construct]] of built-in SharedArrayBuffer object
*
* @return ecma value
*/
ecma_value_t
ecma_builtin_shared_arraybuffer_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
uint32_t arguments_list_len) /**< number of arguments */
{
JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);
return ecma_op_create_shared_arraybuffer_object (arguments_list_p, arguments_list_len);
} /* ecma_builtin_shared_arraybuffer_dispatch_construct */
/**
* 24.2.3.2 get SharedArrayBuffer [ @@species ] accessor
*
* @return ecma_value
* returned value must be freed with ecma_free_value
*/
ecma_value_t
ecma_builtin_shared_arraybuffer_species_get (ecma_value_t this_value) /**< This Value */
{
return ecma_copy_value (this_value);
} /* ecma_builtin_shared_arraybuffer_species_get */
/**
* @}
* @}
* @}
*/
#endif /* JERRY_BUILTIN_TYPEDARRAY */
jerry-core/ecma/builtin-objects/ecma-builtin-shared-arraybuffer.inc.h
+52
View File
@@ -0,0 +1,52 @@
/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* SharedArrayBuffer built-in description
*/
#include "ecma-builtin-helpers-macro-defines.inc.h"
#if JERRY_BUILTIN_TYPEDARRAY
/* Number properties:
* (property name, number value, writable, enumerable, configurable) */
NUMBER_VALUE (LIT_MAGIC_STRING_LENGTH,
1,
ECMA_PROPERTY_FLAG_CONFIGURABLE)
/* Object properties:
* (property name, object pointer getter) */
OBJECT_VALUE (LIT_MAGIC_STRING_PROTOTYPE,
ECMA_BUILTIN_ID_SHARED_ARRAYBUFFER_PROTOTYPE,
ECMA_PROPERTY_FIXED)
STRING_VALUE (LIT_MAGIC_STRING_NAME,
LIT_MAGIC_STRING_SHARED_ARRAY_BUFFER_UL,
ECMA_PROPERTY_FLAG_CONFIGURABLE)
/* Routine properties:
* (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
/* ES11 24.1.3.3 */
ACCESSOR_READ_ONLY (LIT_GLOBAL_SYMBOL_SPECIES,
ecma_builtin_shared_arraybuffer_species_get,
ECMA_PROPERTY_FLAG_CONFIGURABLE)
#endif /* JERRY_BUILTIN_TYPEDARRAY */
#include "ecma-builtin-helpers-macro-undefs.inc.h"
jerry-core/ecma/builtin-objects/ecma-builtins.inc.h
+15 -1
View File
@@ -337,7 +337,21 @@ BUILTIN_ROUTINE (ECMA_BUILTIN_ID_ARRAYBUFFER,
true,
arraybuffer)
/* The %TypedArrayPrototype% object (ES2015 24.2.3) */
/* The SharedArrayBuffer.prototype object (ES2015 24.2.4) */
BUILTIN (ECMA_BUILTIN_ID_SHARED_ARRAYBUFFER_PROTOTYPE,
ECMA_OBJECT_TYPE_GENERAL,
ECMA_BUILTIN_ID_OBJECT_PROTOTYPE,
true,
shared_arraybuffer_prototype)
/* The SharedArrayBuffer object (ES2015 24.2.2) */
BUILTIN_ROUTINE (ECMA_BUILTIN_ID_SHARED_ARRAYBUFFER,
ECMA_OBJECT_TYPE_NATIVE_FUNCTION,
ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE,
true,
shared_arraybuffer)
/* The %TypedArrayPrototype% object (ES2015 24.2.3) */
BUILTIN (ECMA_BUILTIN_ID_TYPEDARRAY_PROTOTYPE,
ECMA_OBJECT_TYPE_GENERAL,
ECMA_BUILTIN_ID_OBJECT_PROTOTYPE,