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Rework the core of class parsing/runtime semantic (#3598)

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Changes:
 - Use the pre-scanner to provide information for the parser about the existence of the class constructor
 - The allocation of the super declarative environment is no longer needed
 - The VM frame context holds the information about the this binding status
 - Reduce the number of class related VM/CBC instructions
 - Improve ecma_op_function_{construct, call} to properly set new.target

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-03-16 14:37:47 +01:00
committed by GitHub
parent 56b9f098ab
commit bfd2639634
49 changed files with 1671 additions and 1490 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-array.c
+3 -3
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@@ -128,7 +128,7 @@ ecma_builtin_array_object_from (ecma_value_t this_arg, /**< 'this' argument */
{
ecma_object_t *constructor_obj_p = ecma_get_object_from_value (constructor);
array = ecma_op_function_construct (constructor_obj_p, ECMA_VALUE_UNDEFINED, NULL, 0);
array = ecma_op_function_construct (constructor_obj_p, constructor_obj_p, NULL, 0);
if (ecma_is_value_undefined (array) || ecma_is_value_null (array))
{
@@ -289,7 +289,7 @@ iterator_cleanup:
{
ecma_object_t *constructor_obj_p = ecma_get_object_from_value (constructor);
array = ecma_op_function_construct (constructor_obj_p, ECMA_VALUE_UNDEFINED, &len_value, 1);
array = ecma_op_function_construct (constructor_obj_p, constructor_obj_p, &len_value, 1);
if (ecma_is_value_undefined (array) || ecma_is_value_null (array))
{
@@ -414,7 +414,7 @@ ecma_builtin_array_object_of (ecma_value_t this_arg, /**< 'this' argument */
ecma_value_t len = ecma_make_uint32_value (arguments_list_len);
ecma_value_t ret_val = ecma_op_function_construct (ecma_get_object_from_value (this_arg),
ECMA_VALUE_UNDEFINED,
ecma_get_object_from_value (this_arg),
&len,
1);