YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement the core of the generator functions. (#3368)

Browse Source 
Some things are missing:
 - yield* support
 - generator definition in object literal
 - the hidden GeneratorFunction

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-11-28 11:54:27 +01:00
committed by Dániel Bátyai
parent 14e95a4775
commit 110f75c99d
35 changed files with 1535 additions and 85 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/operations/ecma-function-object.c
+14 -11
View File
@@ -789,21 +789,24 @@ ecma_op_function_call (ecma_object_t *func_obj_p, /**< Function object */
bool free_this_binding = false;
const ecma_compiled_code_t *bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
uint16_t status_flags = bytecode_data_p->status_flags;
#if ENABLED (JERRY_ES2015)
bool is_class_constructor = (bytecode_data_p->status_flags & CBC_CODE_FLAGS_CONSTRUCTOR) != 0;
if (is_class_constructor && !ecma_op_function_has_construct_flag (arguments_list_p))
if (JERRY_UNLIKELY (status_flags & (CBC_CODE_FLAGS_CONSTRUCTOR | CBC_CODE_FLAGS_GENERATOR)))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Class constructor cannot be invoked without 'new'."));
if ((status_flags & CBC_CODE_FLAGS_CONSTRUCTOR) && !ecma_op_function_has_construct_flag (arguments_list_p))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Class constructor cannot be invoked without 'new'."));
}
if ((status_flags & CBC_CODE_FLAGS_GENERATOR) && ecma_op_function_has_construct_flag (arguments_list_p))
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Generator functions cannot be invoked with 'new'."));
}
}
#endif /* ENABLED (JERRY_ES2015) */
bool is_strict = (bytecode_data_p->status_flags & CBC_CODE_FLAGS_STRICT_MODE) != 0;
bool is_no_lex_env = (bytecode_data_p->status_flags & CBC_CODE_FLAGS_LEXICAL_ENV_NOT_NEEDED) != 0;
/* 1. */
if (!is_strict)
if (!(status_flags & CBC_CODE_FLAGS_STRICT_MODE))
{
if (ecma_is_value_undefined (this_binding)
|| ecma_is_value_null (this_binding))
@@ -825,7 +828,7 @@ ecma_op_function_call (ecma_object_t *func_obj_p, /**< Function object */
/* 5. */
ecma_object_t *local_env_p;
if (is_no_lex_env)
if (status_flags & CBC_CODE_FLAGS_LEXICAL_ENV_NOT_NEEDED)
{
local_env_p = scope_p;
}
@@ -841,7 +844,7 @@ ecma_op_function_call (ecma_object_t *func_obj_p, /**< Function object */
bytecode_data_p);
}
#if ENABLED (JERRY_ES2015)
if (JERRY_UNLIKELY (is_class_constructor))
if (JERRY_UNLIKELY (status_flags & CBC_CODE_FLAGS_CONSTRUCTOR))
{
ecma_op_set_class_this_binding (local_env_p, this_binding);
}
@@ -854,7 +857,7 @@ ecma_op_function_call (ecma_object_t *func_obj_p, /**< Function object */
arguments_list_p,
arguments_list_len);
if (!is_no_lex_env)
if (!(status_flags & CBC_CODE_FLAGS_LEXICAL_ENV_NOT_NEEDED))
{
ecma_deref_object (local_env_p);
}