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LibJS: Add basic support for "continue" in the bytecode VM

Unlike the convoluted unwind-until-scope-type mechanism in the AST
interpreter, "continue" maps to a simple Bytecode::Op::Jump here. :^)

We know where to jump based on a stack of "continuable scopes" that
we now maintain on the Bytecode::Generator as we go.

Note that this only supports bare "continue", not continue-with-label.
This commit is contained in:
Andreas Kling 2021-06-06 13:33:02 +02:00
parent 79eac08f5b
commit 4bdfe73895
4 changed files with 32 additions and 0 deletions

View file

@ -1300,6 +1300,7 @@ public:
}
virtual Value execute(Interpreter&, GlobalObject&) const override;
virtual Optional<Bytecode::Register> generate_bytecode(Bytecode::Generator&) const override;
const FlyString& target_label() const { return m_target_label; }