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Implement direct strings. (#2196)

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Direct strings are a new type of direct ecma-values (no memory allocation
is needed for encoding them) in JerryScript. Currently magic strings,
external magic strings and uint values are encoded as direct strings.

The constant pool of JerryScript byte-code is changed to hold ecma-values
rather than cpointers to support direct strings.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-02-23 00:21:46 +01:00
committed by yichoi
parent fbf5c32747
commit 51e3c4455a
37 changed files with 1493 additions and 1148 deletions
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jerry-core/vm/opcodes.c
+2 -2
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@@ -217,12 +217,12 @@ vm_op_delete_prop (ecma_value_t object, /**< base object */
* Returned value must be freed with ecma_free_value
*/
ecma_value_t
vm_op_delete_var (jmem_cpointer_t name_literal, /**< name literal */
vm_op_delete_var (ecma_value_t name_literal, /**< name literal */
ecma_object_t *lex_env_p) /**< lexical environment */
{
ecma_value_t completion_value = ECMA_VALUE_EMPTY;
ecma_string_t *var_name_str_p = JMEM_CP_GET_NON_NULL_POINTER (ecma_string_t, name_literal);
ecma_string_t *var_name_str_p = ecma_get_string_from_value (name_literal);
ecma_object_t *ref_base_lex_env_p = ecma_op_resolve_reference_base (lex_env_p, var_name_str_p);