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Style fixes regarding 'empty' value: introducing ecma_is_empty_completion_value, reducing usage of the 'empty' value, listing possible usage cases of the 'empty' value in the comment to it's definition.

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This commit is contained in:
Ruben Ayrapetyan
2014-07-28 21:21:31 +04:00
parent 177a2d1382
commit 3ee0e8a8a5
7 changed files with 81 additions and 60 deletions
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src/libecmaoperations/ecma-lex-env.c
+8 -9
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@@ -186,8 +186,7 @@ ecma_op_get_binding_value(ecma_object_t *lex_env_p, /**< lexical environment */
return ecma_make_completion_value( ECMA_COMPLETION_TYPE_NORMAL,
ecma_copy_value( prop_value),
ECMA_TARGET_ID_RESERVED);
} else if ( prop_value.value_type == ECMA_TYPE_SIMPLE
&& prop_value.value == ECMA_SIMPLE_VALUE_EMPTY )
} else if ( ecma_is_value_empty( prop_value) )
{
/* unitialized immutable binding */
if ( is_strict )
@@ -318,13 +317,14 @@ ecma_op_create_immutable_binding(ecma_object_t *lex_env_p, /**< lexical environm
* Whether immutable bindings are deletable seems not to be defined by ECMA v5.
*/
ecma_property_t *prop_p = ecma_create_named_property( lex_env_p,
name_p,
ECMA_PROPERTY_NOT_WRITABLE,
ECMA_PROPERTY_NOT_ENUMERABLE,
ECMA_PROPERTY_NOT_CONFIGURABLE);
name_p,
ECMA_PROPERTY_NOT_WRITABLE,
ECMA_PROPERTY_NOT_ENUMERABLE,
ECMA_PROPERTY_NOT_CONFIGURABLE);
JERRY_ASSERT( prop_p->u.named_data_property.value.value_type == ECMA_TYPE_SIMPLE );
JERRY_ASSERT( ecma_is_value_undefined( prop_p->u.named_data_property.value ) );
prop_p->u.named_data_property.value.value_type = ECMA_TYPE_SIMPLE;
prop_p->u.named_data_property.value.value = ECMA_SIMPLE_VALUE_EMPTY;
}
case ECMA_LEXICAL_ENVIRONMENT_OBJECTBOUND:
@@ -358,8 +358,7 @@ ecma_op_initialize_immutable_binding(ecma_object_t *lex_env_p, /**< lexical envi
/* The binding must be unitialized immutable binding */
JERRY_ASSERT( prop_p->u.named_data_property.writable == ECMA_PROPERTY_NOT_WRITABLE
&& prop_p->u.named_data_property.value.value_type == ECMA_TYPE_SIMPLE
&& prop_p->u.named_data_property.value.value == ECMA_SIMPLE_VALUE_EMPTY );
&& ecma_is_value_empty( prop_p->u.named_data_property.value) );
prop_p->u.named_data_property.value = ecma_copy_value( value);
}