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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/operations/ecma-function-object.h
+7 -24
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@@ -51,29 +51,8 @@ ecma_op_create_dynamic_function (const ecma_value_t *arguments_list_p,
ecma_parse_opts_t opts);
#if ENABLED (JERRY_ES2015)
void
ecma_op_set_super_called (ecma_object_t *lex_env_p);
bool
ecma_op_is_super_called (ecma_object_t *lex_env_p);
void
ecma_op_set_class_this_binding (ecma_object_t *lex_env_p, ecma_value_t this_binding);
ecma_value_t
ecma_op_get_class_this_binding (ecma_object_t *lex_env_p);
ecma_value_t
ecma_op_function_implicit_constructor_handler_cb (const ecma_value_t function_obj,
const ecma_value_t this_val,
const ecma_value_t args_p[],
const ecma_length_t args_count);
void
ecma_op_set_class_prototype (ecma_value_t completion_value, ecma_value_t this_arg);
ecma_object_t *
ecma_op_get_prototype_from_constructor (ecma_object_t *ctor_obj_p, ecma_builtin_id_t default_proto_id);
ecma_op_function_get_super_constructor (ecma_object_t *func_obj_p);
ecma_object_t *
ecma_op_create_generator_function_object (ecma_object_t *scope_p, const ecma_compiled_code_t *bytecode_data_p);
@@ -81,9 +60,13 @@ ecma_op_create_generator_function_object (ecma_object_t *scope_p, const ecma_com
ecma_object_t *
ecma_op_create_arrow_function_object (ecma_object_t *scope_p, const ecma_compiled_code_t *bytecode_data_p,
ecma_value_t this_binding);
bool
ecma_op_function_is_generator (ecma_object_t *func_obj_p);
#endif /* ENABLED (JERRY_ES2015) */
ecma_object_t *
ecma_op_get_prototype_from_constructor (ecma_object_t *ctor_obj_p, ecma_builtin_id_t default_proto_id);
ecma_value_t
ecma_op_function_has_instance (ecma_object_t *func_obj_p, ecma_value_t value);
@@ -92,7 +75,7 @@ ecma_op_function_call (ecma_object_t *func_obj_p, ecma_value_t this_arg_value,
const ecma_value_t *arguments_list_p, ecma_length_t arguments_list_len);
ecma_value_t
ecma_op_function_construct (ecma_object_t *func_obj_p, ecma_value_t this_arg_value,
ecma_op_function_construct (ecma_object_t *func_obj_p, ecma_object_t *new_target_p,
const ecma_value_t *arguments_list_p, ecma_length_t arguments_list_len);
ecma_property_t *