Method visit_end

crates/parser/src/visit.rs:314–323

(&mut self)

    }

    fn visit_end(&mut self) -> Self::Output {
        if let Some(ctx) = self.ctx_stack.pop() {
            self.patch_end_jumps(ctx, self.instructions.len());
            if !matches!(self.instructions.last(), Some(Instruction::Nop | Instruction::MergeBarrier)) {
                self.instructions.push(Instruction::MergeBarrier); // prevent superinstructions from merging across block boundaries
            }
        } else {
            self.instructions.push(Instruction::Return);
        }
    }

    fn visit_br(&mut self, depth: u32) -> Self::Output {
        self.emit_dropkeep_to_label(depth);