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Add Generator Prototype custom dispatcher (#3864)

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JerryScript-DCO-1.0-Signed-off-by: Daniella Barsony bella@inf.u-szeged.hu
This commit is contained in:
Daniella Barsony
2020-06-17 11:23:53 +02:00
committed by GitHub
parent b469f0e9a8
commit eb8e81d682
2 changed files with 92 additions and 79 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-generator-prototype.c
+89 -76
View File
@@ -28,6 +28,22 @@
#define ECMA_BUILTINS_INTERNAL
#include "ecma-builtins-internal.h"
/**
* This object has a custom dispatch function.
*/
#define BUILTIN_CUSTOM_DISPATCH
/**
* List of built-in routine identifiers.
*/
enum
{
ECMA_GENERATOR_PROTOTYPE_ROUTINE_START = ECMA_BUILTIN_ID__COUNT - 1,
ECMA_GENERATOR_PROTOTYPE_ROUTINE_RETURN,
ECMA_GENERATOR_PROTOTYPE_ROUTINE_THROW,
ECMA_GENERATOR_PROTOTYPE_ROUTINE_NEXT
};
#define BUILTIN_INC_HEADER_NAME "ecma-builtin-generator-prototype.inc.h"
#define BUILTIN_UNDERSCORED_ID generator_prototype
#include "ecma-builtin-internal-routines-template.inc.h"
@@ -65,42 +81,10 @@ static const uint8_t ecma_builtin_generator_prototype_throw[1] =
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_generator_prototype_object_do (ecma_value_t this_arg, /**< this argument */
ecma_builtin_generator_prototype_object_do (vm_executable_object_t *executable_object_p, /**< executable object */
ecma_value_t arg, /**< argument */
ecma_iterator_command_type_t resume_mode) /**< resume mode */
{
vm_executable_object_t *executable_object_p = NULL;
if (ecma_is_value_object (this_arg))
{
ecma_object_t *object_p = ecma_get_object_from_value (this_arg);
if (ecma_get_object_type (object_p) == ECMA_OBJECT_TYPE_CLASS)
{
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
if (ext_object_p->u.class_prop.class_id == LIT_MAGIC_STRING_GENERATOR_UL)
{
executable_object_p = (vm_executable_object_t *) ext_object_p;
}
}
}
if (executable_object_p == NULL)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not a generator object."));
}
if (executable_object_p->extended_object.u.class_prop.extra_info & ECMA_EXECUTABLE_OBJECT_RUNNING)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Generator is currently under execution."));
}
if (executable_object_p->extended_object.u.class_prop.extra_info & ECMA_EXECUTABLE_OBJECT_COMPLETED)
{
return ecma_create_iter_result_object (ECMA_VALUE_UNDEFINED, ECMA_VALUE_TRUE);
}
arg = ecma_copy_value (arg);
while (true)
@@ -194,52 +178,81 @@ ecma_builtin_generator_prototype_object_do (ecma_value_t this_arg, /**< this arg
} /* ecma_builtin_generator_prototype_object_do */
/**
* The Generator.prototype object's 'next' routine
*
* See also:
* ECMA-262 v6, 25.3.1.2
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_generator_prototype_object_next (ecma_value_t this_arg, /**< this argument */
ecma_value_t next_arg) /**< next argument */
* Dispatcher of the Generator built-in's routines
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
ecma_builtin_generator_prototype_dispatch_routine (uint16_t builtin_routine_id, /**< built-in wide routine
* identifier */
ecma_value_t this_arg, /**< 'this' argument value */
const ecma_value_t arguments_list_p[], /**< list of arguments
* passed to routine */
ecma_length_t arguments_number) /**< length of arguments' list */
{
return ecma_builtin_generator_prototype_object_do (this_arg, next_arg, ECMA_ITERATOR_NEXT);
} /* ecma_builtin_generator_prototype_object_next */
JERRY_UNUSED (arguments_number);
/**
* The Generator.prototype object's 'return' routine
*
* See also:
* ECMA-262 v6, 25.3.1.3
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_generator_prototype_object_return (ecma_value_t this_arg, /**< this argument */
ecma_value_t return_arg) /**< return argument */
{
return ecma_builtin_generator_prototype_object_do (this_arg, return_arg, ECMA_ITERATOR_RETURN);
} /* ecma_builtin_generator_prototype_object_return */
vm_executable_object_t *executable_object_p = NULL;
/**
* The Generator.prototype object's 'throw' routine
*
* See also:
* ECMA-262 v6, 25.3.1.4
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
static ecma_value_t
ecma_builtin_generator_prototype_object_throw (ecma_value_t this_arg, /**< this argument */
ecma_value_t throw_arg) /**< throw argument */
{
return ecma_builtin_generator_prototype_object_do (this_arg, throw_arg, ECMA_ITERATOR_THROW);
} /* ecma_builtin_generator_prototype_object_throw */
if (ecma_is_value_object (this_arg))
{
ecma_object_t *object_p = ecma_get_object_from_value (this_arg);
if (ecma_get_object_type (object_p) == ECMA_OBJECT_TYPE_CLASS)
{
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
if (ext_object_p->u.class_prop.class_id == LIT_MAGIC_STRING_GENERATOR_UL)
{
executable_object_p = (vm_executable_object_t *) ext_object_p;
}
}
}
if (executable_object_p == NULL)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not a generator object."));
}
if (executable_object_p->extended_object.u.class_prop.extra_info & ECMA_EXECUTABLE_OBJECT_RUNNING)
{
return ecma_raise_type_error (ECMA_ERR_MSG ("Generator is currently under execution."));
}
if (executable_object_p->extended_object.u.class_prop.extra_info & ECMA_EXECUTABLE_OBJECT_COMPLETED)
{
return ecma_create_iter_result_object (ECMA_VALUE_UNDEFINED, ECMA_VALUE_TRUE);
}
switch (builtin_routine_id)
{
case ECMA_GENERATOR_PROTOTYPE_ROUTINE_NEXT:
{
return ecma_builtin_generator_prototype_object_do (executable_object_p,
arguments_list_p[0],
ECMA_ITERATOR_NEXT);
}
case ECMA_GENERATOR_PROTOTYPE_ROUTINE_THROW:
{
return ecma_builtin_generator_prototype_object_do (executable_object_p,
arguments_list_p[0],
ECMA_ITERATOR_THROW);
}
case ECMA_GENERATOR_PROTOTYPE_ROUTINE_RETURN:
{
return ecma_builtin_generator_prototype_object_do (executable_object_p,
arguments_list_p[0],
ECMA_ITERATOR_RETURN);
}
default:
{
JERRY_UNREACHABLE ();
}
}
return ECMA_VALUE_EMPTY;
} /* ecma_builtin_generator_prototype_dispatch_routine */
/**
* @}
jerry-core/ecma/builtin-objects/ecma-builtin-generator-prototype.inc.h
+3 -3
View File
@@ -36,9 +36,9 @@ OBJECT_VALUE (LIT_MAGIC_STRING_CONSTRUCTOR,
/* Routine properties:
* (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
ROUTINE (LIT_MAGIC_STRING_NEXT, ecma_builtin_generator_prototype_object_next, 1, 1)
ROUTINE (LIT_MAGIC_STRING_RETURN, ecma_builtin_generator_prototype_object_return, 1, 1)
ROUTINE (LIT_MAGIC_STRING_THROW, ecma_builtin_generator_prototype_object_throw, 1, 1)
ROUTINE (LIT_MAGIC_STRING_NEXT, ECMA_GENERATOR_PROTOTYPE_ROUTINE_NEXT, 1, 1)
ROUTINE (LIT_MAGIC_STRING_RETURN, ECMA_GENERATOR_PROTOTYPE_ROUTINE_RETURN, 1, 1)
ROUTINE (LIT_MAGIC_STRING_THROW, ECMA_GENERATOR_PROTOTYPE_ROUTINE_THROW, 1, 1)
#endif /* ENABLED (JERRY_ESNEXT) */