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Implement Iterator interface and Array iterators (#2640)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-02-08 11:10:32 +01:00
committed by GitHub
parent 2dd854d28b
commit 4f5ffb4f3a
21 changed files with 1045 additions and 6 deletions
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jerry-core/ecma/base/ecma-gc.c
+13
View File
@@ -369,6 +369,12 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
break;
}
#endif /* !CONFIG_DISABLE_ES2015_TYPEDARRAY_BUILTIN */
#ifndef CONFIG_DISABLE_ES2015_ITERATOR_BUILTIN
case ECMA_PSEUDO_ARRAY_ITERATOR:
{
break;
}
#endif /* !CONFIG_DISABLE_ES2015_ITERATOR_BUILTIN */
default:
{
JERRY_ASSERT (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS);
@@ -762,6 +768,13 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
return;
}
#endif /* !CONFIG_DISABLE_ES2015_TYPEDARRAY_BUILTIN */
#ifndef CONFIG_DISABLE_ES2015_ITERATOR_BUILTIN
case ECMA_PSEUDO_ARRAY_ITERATOR:
{
ecma_dealloc_extended_object (object_p, sizeof (ecma_extended_object_t));
return;
}
#endif /* !CONFIG_DISABLE_ES2015_ITERATOR_BUILTIN */
default:
{
JERRY_ASSERT (ext_object_p->u.pseudo_array.type == ECMA_PSEUDO_ARRAY_ARGUMENTS);
jerry-core/ecma/base/ecma-globals.h
+19 -3
View File
@@ -664,8 +664,9 @@ typedef enum
ECMA_PSEUDO_ARRAY_ARGUMENTS = 0, /**< Arguments object (10.6) */
ECMA_PSEUDO_ARRAY_TYPEDARRAY = 1, /**< TypedArray which does NOT need extra space to store length and offset */
ECMA_PSEUDO_ARRAY_TYPEDARRAY_WITH_INFO = 2, /**< TypedArray which NEEDS extra space to store length and offset */
ECMA_PSEUDO_ARRAY_ITERATOR = 3, /**< Array iterator object (ECMAScript v6, 22.1.5.1) */
ECMA_PSEUDO_ARRAY__MAX = ECMA_PSEUDO_ARRAY_TYPEDARRAY_WITH_INFO /**< maximum value */
ECMA_PSEUDO_ARRAY__MAX = ECMA_PSEUDO_ARRAY_ITERATOR /**< maximum value */
} ecma_pseudo_array_type_t;
/**
@@ -686,6 +687,18 @@ typedef enum
ECMA_LEXICAL_ENVIRONMENT_TYPE__MAX = ECMA_LEXICAL_ENVIRONMENT_SUPER_OBJECT_BOUND /**< maximum value */
} ecma_lexical_environment_type_t;
#ifndef CONFIG_DISABLE_ES2015_ITERATOR_BUILTIN
/**
* Types of array iterators.
*/
typedef enum
{
ECMA_ARRAY_ITERATOR_KEYS, /**< List only key indices */
ECMA_ARRAY_ITERATOR_VALUES, /**< List only key values */
ECMA_ARRAY_ITERATOR_KEYS_VALUES, /**< List key indices and values */
} ecma_array_iterator_type_t;
#endif /* !CONFIG_DISABLE_ES2015_ITERATOR_BUILTIN */
/**
* Offset for JERRY_CONTEXT (status_flags) top 8 bits.
*/
@@ -846,18 +859,21 @@ typedef struct
*/
struct
{
uint8_t type; /**< pseudo array type, e.g. Arguments, TypedArray*/
uint8_t type; /**< pseudo array type, e.g. Arguments, TypedArray, ArrayIterator */
uint8_t extra_info; /**< extra information about the object.
* e.g. element_width_shift for typed arrays */
* e.g. element_width_shift for typed arrays,
* [[IterationKind]] property for %Iterator% */
union
{
uint16_t length; /**< for arguments: length of names */
uint16_t class_id; /**< for typedarray: the specific class name */
uint16_t iterator_index; /**< for %Iterator%: [[%Iterator%NextIndex]] property */
} u1;
union
{
ecma_value_t lex_env_cp; /**< for arguments: lexical environment */
ecma_value_t arraybuffer; /**< for typedarray: internal arraybuffer */
ecma_value_t iterated_value_cp; /**< for %Iterator%: [[IteratedObject]] property */
} u2;
} pseudo_array;