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LibJS/Bytecode: Implement the delete unary expression

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`delete` has to operate directly on Reference Records, so this
introduces a new set of operations called DeleteByValue, DeleteVariable
and DeleteById. They operate similarly to their Get counterparts,
except they end in creating a (temporary) Reference and calling delete_
on it.
This commit is contained in:
Luke Wilde 2022-03-27 19:50:09 +01:00 • committed by Andreas Kling
parent 589c3771e9
commit 7cc53b7ef1
6 changed files with 146 additions and 4 deletions
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Userland/Libraries/LibJS/Bytecode/Generator.h
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@ -79,6 +79,7 @@ public:
CodeGenerationErrorOr<void> emit_load_from_reference(JS::ASTNode const&);
CodeGenerationErrorOr<void> emit_store_to_reference(JS::ASTNode const&);
CodeGenerationErrorOr<void> emit_delete_reference(JS::ASTNode const&);
void begin_continuable_scope(Label continue_target);
void end_continuable_scope();