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Removing label completion values.

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This commit is contained in:
Ruben Ayrapetyan 2015-01-30 22:59:25 +03:00
parent 00afd4e0e2
commit a1f95048ae
4 changed files with 3 additions and 118 deletions
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8
src/libcoreint/interpreter.c
View File

@ -438,14 +438,6 @@ run_int_loop (int_data_t *int_data)
}
while (ecma_is_completion_value_normal (completion));
if (ecma_is_completion_value_break (completion)
|| ecma_is_completion_value_continue (completion))
{
JERRY_UNIMPLEMENTED ("break and continue on labels are not supported.");
continue;
}
if (ecma_is_completion_value_meta (completion))
{
completion = ecma_make_empty_completion_value ();

2
src/libecmaobjects/ecma-globals.h
View File

@ -101,8 +101,6 @@ typedef enum
{
ECMA_COMPLETION_TYPE_NORMAL, /**< default block completion */
ECMA_COMPLETION_TYPE_RETURN, /**< block completed with return */
ECMA_COMPLETION_TYPE_BREAK, /**< block completed with break */
ECMA_COMPLETION_TYPE_CONTINUE, /**< block completed with continue */
#ifdef CONFIG_ECMA_EXCEPTION_SUPPORT
ECMA_COMPLETION_TYPE_THROW, /**< block completed with throw */
#endif /* CONFIG_ECMA_EXCEPTION_SUPPORT */

68
src/libecmaobjects/ecma-value.c
View File

@ -178,68 +178,6 @@ ecma_free_value (ecma_value_t& value, /**< value description */
}
} /* ecma_free_value */
/**
* Get pointer to label descriptor from completion value
*
* @return pointer to label descriptor
*/
static ecma_label_descriptor_t* __attribute_const__
ecma_get_completion_value_label_descriptor (ecma_completion_value_t completion_value) /**< completion value */
{
return ECMA_GET_NON_NULL_POINTER (ecma_label_descriptor_t,
(uintptr_t) jrt_extract_bit_field (completion_value,
ECMA_COMPLETION_VALUE_LABEL_DESC_CP_POS,
ECMA_COMPLETION_VALUE_LABEL_DESC_CP_WIDTH));
} /* ecma_get_completion_value_label_descriptor */
/**
* Set label descriptor of completion value
*
* @return completion value with updated field
*/
static ecma_completion_value_t __attribute_const__
ecma_set_completion_value_label_descriptor (ecma_completion_value_t completion_value, /**< completion value
* to set field in */
ecma_label_descriptor_t* label_desc_p) /**< pointer to the
* label descriptor */
{
uintptr_t label_desc_cp;
ECMA_SET_NON_NULL_POINTER (label_desc_cp, label_desc_p);
return (ecma_completion_value_t) jrt_set_bit_field_value (completion_value,
label_desc_cp,
ECMA_COMPLETION_VALUE_LABEL_DESC_CP_POS,
ECMA_COMPLETION_VALUE_LABEL_DESC_CP_WIDTH);
} /* ecma_set_completion_value_label_descriptor */
/**
* Break and continue completion values constructor
*
* @return completion value
*/
ecma_completion_value_t __attribute_const__
ecma_make_label_completion_value (ecma_completion_type_t type, /**< type */
uint8_t depth_level, /**< depth level (in try constructions,
with blocks, etc.) */
uint16_t offset) /**< offset to label from end of last block */
{
JERRY_ASSERT (type == ECMA_COMPLETION_TYPE_BREAK
|| type == ECMA_COMPLETION_TYPE_CONTINUE);
ecma_label_descriptor_t *label_desc_p = ecma_alloc_label_descriptor ();
label_desc_p->offset = offset;
label_desc_p->depth = depth_level;
ecma_completion_value_t completion_value = 0;
completion_value = ecma_set_completion_value_type_field (completion_value,
type);
completion_value = ecma_set_completion_value_label_descriptor (completion_value,
label_desc_p);
return completion_value;
} /* ecma_make_label_completion_value */
/**
* Throw completion value constructor.
*
@ -312,12 +250,6 @@ ecma_free_completion_value (ecma_completion_value_t completion_value) /**< compl
break;
}
case ECMA_COMPLETION_TYPE_CONTINUE:
case ECMA_COMPLETION_TYPE_BREAK:
{
ecma_dealloc_label_descriptor (ecma_get_completion_value_label_descriptor (completion_value));
break;
}
case ECMA_COMPLETION_TYPE_META:
{
JERRY_UNREACHABLE ();

43
src/libecmaobjects/ecma-value.h
View File

@ -174,9 +174,9 @@ class ecma_value_t
*
* See also: ECMA-262 v5, 8.9.
*
* value (16)
* Bit-field structure: type (8) | padding (8) <
* label_desc_cp (16)
*
* Bit-field structure: type (8) | padding (8) | value (16)
*
*/
typedef uint32_t ecma_completion_value_t;
@ -201,16 +201,6 @@ typedef uint32_t ecma_completion_value_t;
ECMA_COMPLETION_VALUE_PADDING_WIDTH)
#define ECMA_COMPLETION_VALUE_VALUE_WIDTH (ECMA_VALUE_SIZE)
/**
* Label
*
* Used for break and continue completion types.
*/
#define ECMA_COMPLETION_VALUE_LABEL_DESC_CP_POS (ECMA_COMPLETION_VALUE_TYPE_POS + \
ECMA_COMPLETION_VALUE_TYPE_WIDTH + \
ECMA_COMPLETION_VALUE_PADDING_WIDTH)
#define ECMA_COMPLETION_VALUE_LABEL_DESC_CP_WIDTH (ECMA_POINTER_FIELD_WIDTH)
/**
* Get type field of ecma-value
*
@ -437,9 +427,6 @@ ecma_make_completion_value (ecma_completion_type_t type, /**< type */
return completion_value;
} /* ecma_make_completion_value */
extern ecma_completion_value_t ecma_make_label_completion_value (ecma_completion_type_t type,
uint8_t depth_level,
uint16_t offset);
/**
* Simple normal completion value constructor
*
@ -659,30 +646,6 @@ ecma_is_completion_value_meta (ecma_completion_value_t value) /**< completion va
}
} /* ecma_is_completion_value_meta */
/**
* Check if the completion value is break value.
*
* @return true - if the completion type is break,
* false - otherwise.
*/
inline bool __attribute_const__ __attribute_always_inline__
ecma_is_completion_value_break (ecma_completion_value_t value) /**< completion value */
{
return (ecma_get_completion_value_type_field (value) == ECMA_COMPLETION_TYPE_BREAK);
} /* ecma_is_completion_value_break */
/**
* Check if the completion value is continue value.
*
* @return true - if the completion type is continue,
* false - otherwise.
*/
inline bool __attribute_const__ __attribute_always_inline__
ecma_is_completion_value_continue (ecma_completion_value_t value) /**< completion value */
{
return (ecma_get_completion_value_type_field (value) == ECMA_COMPLETION_TYPE_CONTINUE);
} /* ecma_is_completion_value_continue */
/**
* Check if the completion value is specified normal simple value.
*