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Implement realm object and support realms for built-ins and JS functions (#4354)

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- Type for realm objects is introduced (ecma_global_object_t)
- Realm reference is added to built-in objects and ECMAScript functions
- Resolving built-ins, global environments, and scopes require realm object
- Unnecessary global object accesses are removed from the code

Missing: external functions and static snapshot functions have no realm reference

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-12-08 14:36:36 +01:00
committed by GitHub
parent 7cb9f808f7
commit df92c86ecf
32 changed files with 1128 additions and 188 deletions
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jerry-core/parser/js/js-parser.c
+10 -4
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@@ -977,6 +977,9 @@ parser_post_processing (parser_context_t *context_p) /**< context */
args_p->ident_end = ident_end;
args_p->const_literal_end = const_literal_end;
args_p->literal_end = context_p->literal_count;
#if ENABLED (JERRY_BUILTIN_REALMS)
args_p->realm_value = ecma_make_object_value ((ecma_object_t *) JERRY_CONTEXT (global_object_p));
#endif /* ENABLED (JERRY_BUILTIN_REALMS) */
compiled_code_p->status_flags |= CBC_CODE_FLAGS_UINT16_ARGUMENTS;
byte_code_p += sizeof (cbc_uint16_arguments_t);
@@ -991,6 +994,9 @@ parser_post_processing (parser_context_t *context_p) /**< context */
args_p->ident_end = (uint8_t) ident_end;
args_p->const_literal_end = (uint8_t) const_literal_end;
args_p->literal_end = (uint8_t) context_p->literal_count;
#if ENABLED (JERRY_BUILTIN_REALMS)
args_p->realm_value = ecma_make_object_value ((ecma_object_t *) JERRY_CONTEXT (global_object_p));
#endif /* ENABLED (JERRY_BUILTIN_REALMS) */
byte_code_p += sizeof (cbc_uint8_arguments_t);
}
@@ -1032,6 +1038,10 @@ parser_post_processing (parser_context_t *context_p) /**< context */
{
function_type = CBC_FUNCTION_TO_TYPE_BITS (CBC_FUNCTION_ACCESSOR);
}
else if (!(context_p->status_flags & PARSER_IS_FUNCTION))
{
function_type = CBC_FUNCTION_TO_TYPE_BITS (CBC_FUNCTION_SCRIPT);
}
#if ENABLED (JERRY_ESNEXT)
else if (context_p->status_flags & PARSER_IS_ARROW_FUNCTION)
{
@@ -1067,10 +1077,6 @@ parser_post_processing (parser_context_t *context_p) /**< context */
{
function_type = CBC_FUNCTION_TO_TYPE_BITS (CBC_FUNCTION_METHOD);
}
else
{
function_type = CBC_FUNCTION_TO_TYPE_BITS (CBC_FUNCTION_NORMAL);
}
if (context_p->status_flags & PARSER_LEXICAL_BLOCK_NEEDED)
{