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Implement ES2015 class feature (part II.) (#2439)

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This patch is the second milestone of the implementation of this new language element.

Supported:
 - Single class inheritance
 - Functionality of 'super' keyword
 - Implicit constructor in class heritage
 - Specific behaviour while extending with the built-in 'Array' or '%TypedArray%' object
 - Abstract subclasses (Mix-ins)

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2018-10-25 16:00:48 +02:00
committed by Akos Kiss
parent e0e6363f85
commit d1860d0e34
54 changed files with 2543 additions and 199 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-array-prototype.c
+66 -3
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@@ -223,7 +223,20 @@ ecma_builtin_array_prototype_object_concat (ecma_value_t this_arg, /**< this arg
ret_value);
/* 2. */
ecma_value_t new_array = ecma_op_create_array_object (0, 0, false);
#ifndef CONFIG_DISABLE_ES2015_CLASS
ecma_object_t *obj_p = ecma_get_object_from_value (obj_this);
ecma_value_t new_array = ecma_op_create_array_object_by_constructor (NULL, 0, false, obj_p);
if (ECMA_IS_VALUE_ERROR (new_array))
{
ecma_free_value (obj_this);
return new_array;
}
#else /* CONFIG_DISABLE_ES2015_CLASS */
ecma_value_t new_array = ecma_op_create_array_object (NULL, 0, false);
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (new_array));
#endif /* !CONFIG_DISABLE_ES2015_CLASS */
ecma_object_t *new_array_p = ecma_get_object_from_value (new_array);
uint32_t new_length = 0;
@@ -825,7 +838,20 @@ ecma_builtin_array_prototype_object_slice (ecma_value_t this_arg, /**< 'this' ar
JERRY_ASSERT (start <= len && end <= len);
ecma_value_t new_array = ecma_op_create_array_object (0, 0, false);
#ifndef CONFIG_DISABLE_ES2015_CLASS
ecma_value_t new_array = ecma_op_create_array_object_by_constructor (NULL, 0, false, obj_p);
if (ECMA_IS_VALUE_ERROR (new_array))
{
ecma_free_value (len_value);
ecma_free_value (obj_this);
return new_array;
}
#else /* CONFIG_DISABLE_ES2015_CLASS */
ecma_value_t new_array = ecma_op_create_array_object (NULL, 0, false);
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (new_array));
#endif /* !CONFIG_DISABLE_ES2015_CLASS */
ecma_object_t *new_array_p = ecma_get_object_from_value (new_array);
/* 9. */
@@ -1178,7 +1204,20 @@ ecma_builtin_array_prototype_object_splice (ecma_value_t this_arg, /**< this arg
const uint32_t len = ecma_number_to_uint32 (len_number);
ecma_value_t new_array = ecma_op_create_array_object (0, 0, false);
#ifndef CONFIG_DISABLE_ES2015_CLASS
ecma_value_t new_array = ecma_op_create_array_object_by_constructor (NULL, 0, false, obj_p);
if (ECMA_IS_VALUE_ERROR (new_array))
{
ecma_free_value (len_value);
ecma_free_value (obj_this);
return new_array;
}
#else /* CONFIG_DISABLE_ES2015_CLASS */
ecma_value_t new_array = ecma_op_create_array_object (NULL, 0, false);
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (new_array));
#endif /* !CONFIG_DISABLE_ES2015_CLASS */
ecma_object_t *new_array_p = ecma_get_object_from_value (new_array);
uint32_t start = 0;
@@ -1973,8 +2012,20 @@ ecma_builtin_array_prototype_object_map (ecma_value_t this_arg, /**< this argume
/* 5. arg2 is simply used as T */
/* 6. */
#ifndef CONFIG_DISABLE_ES2015_CLASS
ecma_value_t new_array = ecma_op_create_array_object_by_constructor (NULL, 0, false, obj_p);
if (ECMA_IS_VALUE_ERROR (new_array))
{
ecma_free_value (len_value);
ecma_free_value (obj_this);
return new_array;
}
#else /* CONFIG_DISABLE_ES2015_CLASS */
ecma_value_t new_array = ecma_op_create_array_object (NULL, 0, false);
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (new_array));
#endif /* !CONFIG_DISABLE_ES2015_CLASS */
ecma_object_t *new_array_p = ecma_get_object_from_value (new_array);
/* 7-8. */
@@ -2080,8 +2131,20 @@ ecma_builtin_array_prototype_object_filter (ecma_value_t this_arg, /**< this arg
ecma_object_t *func_object_p;
/* 6. */
#ifndef CONFIG_DISABLE_ES2015_CLASS
ecma_value_t new_array = ecma_op_create_array_object_by_constructor (NULL, 0, false, obj_p);
if (ECMA_IS_VALUE_ERROR (new_array))
{
ecma_free_value (len_value);
ecma_free_value (obj_this);
return new_array;
}
#else /* CONFIG_DISABLE_ES2015_CLASS */
ecma_value_t new_array = ecma_op_create_array_object (NULL, 0, false);
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (new_array));
#endif /* !CONFIG_DISABLE_ES2015_CLASS */
ecma_object_t *new_array_p = ecma_get_object_from_value (new_array);
/* We already checked that arg1 is callable, so it will always be an object. */