Method visit_local_tee

crates/parser/src/visit.rs:232–268

(&mut self, idx: u32)

    }

    fn visit_local_tee(&mut self, idx: u32) -> Self::Output {
        let resolved_idx = self.local_addr_map[idx as usize];
        if let Some(Some(t)) = self.validator.get_operand_type(0) {
            let size = operand_size(t);
            let last = self.instructions.last();
            let src = match (size, last) {
                (OperandSize::S32, Some(Instruction::LocalGet32(src))) => Some(*src),
                (OperandSize::S64, Some(Instruction::LocalGet64(src))) => Some(*src),
                (OperandSize::S128, Some(Instruction::LocalGet128(src))) => Some(*src),
                _ => None,
            };

            if let Some(src) = src {
                self.instructions.pop();
                match size {
                    OperandSize::S32 => {
                        self.instructions.push(Instruction::LocalCopy32(src, resolved_idx));
                        self.instructions.push(Instruction::LocalGet32(resolved_idx));
                    }
                    OperandSize::S64 => {
                        self.instructions.push(Instruction::LocalCopy64(src, resolved_idx));
                        self.instructions.push(Instruction::LocalGet64(resolved_idx));
                    }
                    OperandSize::S128 => {
                        self.instructions.push(Instruction::LocalCopy128(src, resolved_idx));
                        self.instructions.push(Instruction::LocalGet128(resolved_idx));
                    }
                }
            } else {
                self.instructions.push(match size {
                    OperandSize::S32 => Instruction::LocalTee32(resolved_idx),
                    OperandSize::S64 => Instruction::LocalTee64(resolved_idx),
                    OperandSize::S128 => Instruction::LocalTee128(resolved_idx),
                })
            }
        }
    }

    fn visit_block(&mut self, _blockty: wasmparser::BlockType) -> Self::Output {
        let start_ip = self.instructions.len();