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Introduce ecma_op_object_get_length and ecma_op_object_get_by_index operations (#3245)

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These two functions helps to reduce code duplication, also invokes the elimination of several ECMA_TRY_CATCH macros.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-10-29 10:07:20 +01:00
committed by GitHub
parent 11818f1cb0
commit 42ab062441
23 changed files with 679 additions and 776 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/operations/ecma-function-object.c
+37 -32
View File
@@ -50,6 +50,22 @@ ecma_is_normal_or_arrow_function (ecma_object_type_t type) /**< object type */
#endif /* ENABLED (JERRY_ES2015) */
} /* ecma_is_normal_or_arrow_function */
/**
* IsCallable operation.
*
* See also: ECMA-262 v5, 9.11
*
* @return true - if the given object is callable;
* false - otherwise
*/
inline bool JERRY_ATTR_ALWAYS_INLINE
ecma_op_object_is_callable (ecma_object_t *obj_p) /**< ecma object */
{
JERRY_ASSERT (!ecma_is_lexical_environment (obj_p));
return ecma_get_object_type (obj_p) >= ECMA_OBJECT_TYPE_FUNCTION;
} /* ecma_op_object_is_callable */
/**
* IsCallable operation.
*
@@ -61,25 +77,30 @@ ecma_is_normal_or_arrow_function (ecma_object_type_t type) /**< object type */
bool
ecma_op_is_callable (ecma_value_t value) /**< ecma value */
{
if (!ecma_is_value_object (value))
{
return false;
}
return (ecma_is_value_object (value)
&& ecma_op_object_is_callable (ecma_get_object_from_value (value)));
} /* ecma_op_is_callable */
ecma_object_t *obj_p = ecma_get_object_from_value (value);
JERRY_ASSERT (obj_p != NULL);
/**
* Checks whether the given object implements [[Construct]].
*
* @return true - if the given object is constructor;
* false - otherwise
*/
inline bool JERRY_ATTR_ALWAYS_INLINE
ecma_object_is_constructor (ecma_object_t *obj_p) /**< ecma object */
{
JERRY_ASSERT (!ecma_is_lexical_environment (obj_p));
ecma_object_type_t type = ecma_get_object_type (obj_p);
return (type == ECMA_OBJECT_TYPE_FUNCTION
#if ENABLED (JERRY_ES2015)
|| type == ECMA_OBJECT_TYPE_ARROW_FUNCTION
#endif /* ENABLED (JERRY_ES2015) */
|| type == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION
|| type == ECMA_OBJECT_TYPE_BOUND_FUNCTION);
} /* ecma_op_is_callable */
if (type == ECMA_OBJECT_TYPE_FUNCTION)
{
return (!ecma_get_object_is_builtin (obj_p) || !ecma_builtin_function_is_routine (obj_p));
}
return (type >= ECMA_OBJECT_TYPE_BOUND_FUNCTION);
} /* ecma_object_is_constructor */
/**
* Checks whether the value is Object that implements [[Construct]].
@@ -90,24 +111,8 @@ ecma_op_is_callable (ecma_value_t value) /**< ecma value */
bool
ecma_is_constructor (ecma_value_t value) /**< ecma value */
{
if (!ecma_is_value_object (value))
{
return false;
}
ecma_object_t *obj_p = ecma_get_object_from_value (value);
JERRY_ASSERT (obj_p != NULL);
JERRY_ASSERT (!ecma_is_lexical_environment (obj_p));
if (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_FUNCTION)
{
return (!ecma_get_object_is_builtin (obj_p)
|| !ecma_builtin_function_is_routine (obj_p));
}
return (ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_BOUND_FUNCTION
|| ecma_get_object_type (obj_p) == ECMA_OBJECT_TYPE_EXTERNAL_FUNCTION);
return (ecma_is_value_object (value)
&& ecma_object_is_constructor (ecma_get_object_from_value (value)));
} /* ecma_is_constructor */
/**