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Rework error to use a global slot to store the error value.

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This change frees up the error bit in ecma_value_t, which allows
to define 4 more value types (e.g. symbols). To keep API
compatibility we introduce a box for values with error flag.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2017-10-18 03:44:48 -07:00
committed by yichoi
parent 742654a3f1
commit 53cd324179
19 changed files with 582 additions and 288 deletions
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jerry-core/ecma/base/ecma-helpers.h
+8 -4
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@@ -128,6 +128,7 @@ bool ecma_is_value_float_number (ecma_value_t value) __attr_const___;
bool ecma_is_value_number (ecma_value_t value) __attr_const___;
bool ecma_is_value_string (ecma_value_t value) __attr_const___;
bool ecma_is_value_object (ecma_value_t value) __attr_const___;
bool ecma_is_value_error_reference (ecma_value_t value) __attr_const___;
void ecma_check_value_type_is_spec_defined (ecma_value_t value);
@@ -140,14 +141,13 @@ ecma_value_t ecma_make_int32_value (int32_t int32_number);
ecma_value_t ecma_make_uint32_value (uint32_t uint32_number);
ecma_value_t ecma_make_string_value (const ecma_string_t *ecma_string_p) __attr_pure___;
ecma_value_t ecma_make_object_value (const ecma_object_t *object_p) __attr_pure___;
ecma_value_t ecma_make_error_value (ecma_value_t value) __attr_const___;
ecma_value_t ecma_make_error_obj_value (const ecma_object_t *object_p) __attr_pure___;
ecma_value_t ecma_make_error_reference_value (const ecma_error_reference_t *error_ref_p) __attr_pure___;
ecma_integer_value_t ecma_get_integer_from_value (ecma_value_t value) __attr_const___;
ecma_number_t ecma_get_float_from_value (ecma_value_t value) __attr_pure___;
ecma_number_t ecma_get_number_from_value (ecma_value_t value) __attr_pure___;
ecma_string_t *ecma_get_string_from_value (ecma_value_t value) __attr_pure___;
ecma_object_t *ecma_get_object_from_value (ecma_value_t value) __attr_pure___;
ecma_value_t ecma_get_value_from_error_value (ecma_value_t value) __attr_const___;
ecma_error_reference_t *ecma_get_error_reference_from_value (ecma_value_t value) __attr_pure___;
ecma_value_t ecma_invert_boolean_value (ecma_value_t value) __attr_const___;
ecma_value_t ecma_copy_value (ecma_value_t value);
ecma_value_t ecma_fast_copy_value (ecma_value_t value);
@@ -339,7 +339,11 @@ void ecma_set_property_lcached (ecma_property_t *property_p, bool is_lcached);
ecma_property_descriptor_t ecma_make_empty_property_descriptor (void);
void ecma_free_property_descriptor (ecma_property_descriptor_t *prop_desc_p);
ecma_property_t *ecma_get_next_property_pair (ecma_property_pair_t *);
ecma_value_t ecma_create_error_reference (ecma_value_t value);
ecma_value_t ecma_create_error_object_reference (ecma_object_t *object_p);
void ecma_ref_error_reference (ecma_error_reference_t *error_ref_p);
void ecma_deref_error_reference (ecma_error_reference_t *error_ref_p);
ecma_value_t ecma_clear_error_reference (ecma_value_t value);
void ecma_bytecode_ref (ecma_compiled_code_t *bytecode_p);
void ecma_bytecode_deref (ecma_compiled_code_t *bytecode_p);