Method process_instruction

crates/jit/tests/common.rs:195–300

(
        &mut self,
        instruction: Instruction,
        arg: OpArg,
        constants: &Constants<ConstantData>,
        names: &[String],
    )

    }

    fn process_instruction(
        &mut self,
        instruction: Instruction,
        arg: OpArg,
        constants: &Constants<ConstantData>,
        names: &[String],
    ) -> ControlFlow<()> {
        match instruction {
            Instruction::Resume { .. } | Instruction::Cache | Instruction::NotTaken => {
                // No-op for JIT tests
            }
            Instruction::LoadConst { consti } => {
                self.stack.push(constants[consti.get(arg)].clone().into())
            }
            Instruction::LoadName { namei } => self
                .stack
                .push(StackValue::String(names[namei.get(arg) as usize].clone())),
            Instruction::StoreName { namei } => {
                let idx = namei.get(arg);
                self.locals
                    .insert(names[idx as usize].clone(), self.stack.pop().unwrap());
            }
            Instruction::StoreAttr { .. } => {
                // Do nothing except throw away the stack values
                self.stack.pop().unwrap();
                self.stack.pop().unwrap();
            }
            Instruction::BuildMap { count } => {
                let mut map = HashMap::new();
                for _ in 0..count.get(arg) {
                    let value = self.stack.pop().unwrap();
                    let name = if let Some(StackValue::String(name)) = self.stack.pop() {
                        Wtf8Buf::from(name)
                    } else {
                        unimplemented!("no string keys isn't yet supported in py_function!")
                    };
                    map.insert(name, value);
                }
                self.stack.push(StackValue::Map(map));
            }
            Instruction::MakeFunction => {
                let code = if let Some(StackValue::Code(code)) = self.stack.pop() {
                    code
                } else {
                    panic!("Expected function code")
                };
                // Other attributes will be set by SET_FUNCTION_ATTRIBUTE
                self.stack.push(StackValue::Function(Function {
                    code,
                    annotations: HashMap::new(), // empty annotations, will be set later if needed
                }));
            }
            Instruction::SetFunctionAttribute { flag } => {
                // Stack: [..., attr_value, func] -> [..., func]
                let func = if let Some(StackValue::Function(func)) = self.stack.pop() {
                    func
                } else {
                    panic!("Expected function on stack for SET_FUNCTION_ATTRIBUTE")