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Storing provideThis flag and pointer to binding object immediately in descriptor of object-bound lexical environment.

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This commit is contained in:
Ruben Ayrapetyan
2014-11-21 20:31:39 +03:00
parent 958126f5c8
commit 5b8077b976
5 changed files with 211 additions and 174 deletions
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src/libecmaobjects/ecma-globals.h
+13 -12
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@@ -187,12 +187,6 @@ typedef enum
ECMA_INTERNAL_PROPERTY_PRIMITIVE_NUMBER_VALUE, /**< [[Primitive value]] for Number objects */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_BOOLEAN_VALUE, /**< [[Primitive value]] for Boolean objects */
/** provideThis property of lexical environment */
ECMA_INTERNAL_PROPERTY_PROVIDE_THIS,
/** binding object of lexical environment */
ECMA_INTERNAL_PROPERTY_BINDING_OBJECT,
/** Part of an array, that is indexed by numbers */
ECMA_INTERNAL_PROPERTY_NUMBER_INDEXED_ARRAY_VALUES,
@@ -354,15 +348,15 @@ typedef struct
/**
* Compressed pointer to property list
*/
#define ECMA_OBJECT_PROPERTIES_CP_POS (0)
#define ECMA_OBJECT_PROPERTIES_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
#define ECMA_OBJECT_PROPERTIES_OR_BOUND_OBJECT_CP_POS (0)
#define ECMA_OBJECT_PROPERTIES_OR_BOUND_OBJECT_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* Flag indicating whether it is a general object (false)
* or a lexical environment (true)
*/
#define ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_POS (ECMA_OBJECT_PROPERTIES_CP_POS + \
ECMA_OBJECT_PROPERTIES_CP_WIDTH)
#define ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_POS (ECMA_OBJECT_PROPERTIES_OR_BOUND_OBJECT_CP_POS + \
ECMA_OBJECT_PROPERTIES_OR_BOUND_OBJECT_CP_WIDTH)
#define ECMA_OBJECT_IS_LEXICAL_ENVIRONMENT_WIDTH (1)
/**
@@ -455,11 +449,18 @@ typedef struct
ECMA_OBJECT_LEX_ENV_TYPE_WIDTH)
#define ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* 'provideThis' property of object-bound lexical environments
*/
#define ECMA_OBJECT_LEX_ENV_PROVIDE_THIS_POS (ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_POS + \
ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_WIDTH)
#define ECMA_OBJECT_LEX_ENV_PROVIDE_THIS_WIDTH (1)
/**
* Size of structure for lexical environments
*/
#define ECMA_OBJECT_LEX_ENV_TYPE_SIZE (ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_POS + \
ECMA_OBJECT_LEX_ENV_OUTER_REFERENCE_CP_WIDTH)
#define ECMA_OBJECT_LEX_ENV_TYPE_SIZE (ECMA_OBJECT_LEX_ENV_PROVIDE_THIS_POS + \
ECMA_OBJECT_LEX_ENV_PROVIDE_THIS_WIDTH)
uint64_t container; /**< container for fields described above */
} ecma_object_t;