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LibJS: Allow let and const to create locals in global code

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This is actually safe everywhere but in the topmost program scope.
For web compatibility reasons, we have to flush all top-level bindings
to the environment, in case a subsequent separate <script> program
comes looking for them.
This commit is contained in:
Andreas Kling 2024-06-13 21:31:31 +02:00 • committed by Andreas Kling
commit 9d21d88374
Notes: sideshowbarker 2024-07-17 03:00:02 +09:00
2 changed files with 27 additions and 13 deletions
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4
Userland/Libraries/LibJS/Parser.h
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@ -96,7 +96,7 @@ public:
};
NonnullRefPtr<VariableDeclaration const> parse_variable_declaration(IsForLoopVariableDeclaration is_for_loop_variable_declaration = IsForLoopVariableDeclaration::No);
RefPtr<Identifier const> parse_lexical_binding();
[[nodiscard]] RefPtr<Identifier const> parse_lexical_binding(Optional<DeclarationKind> = {});
NonnullRefPtr<UsingDeclaration const> parse_using_declaration(IsForLoopVariableDeclaration is_for_loop_variable_declaration = IsForLoopVariableDeclaration::No);
NonnullRefPtr<Statement const> parse_for_statement();
@ -347,7 +347,7 @@ private:
}
};
NonnullRefPtr<Identifier const> create_identifier_and_register_in_current_scope(SourceRange range, DeprecatedFlyString string);
[[nodiscard]] NonnullRefPtr<Identifier const> create_identifier_and_register_in_current_scope(SourceRange range, DeprecatedFlyString string, Optional<DeclarationKind> = {});
NonnullRefPtr<SourceCode const> m_source_code;
Vector<Position> m_rule_starts;