Struct Context

pub struct Context { /* private fields */ }

Onion 虚拟机执行上下文。

管理多帧调用栈，支持作用域、变量、栈和帧的各种操作。

Implementations

impl Context

pub fn new() -> Self

pub fn push_frame(&mut self, frame: Frame)

pub fn pop_frame(&mut self) -> Result<Frame, RuntimeError>

pub fn concat_last_frame(&mut self) -> Result<(), RuntimeError>

pub fn clear_stack(&mut self)

pub fn push_object( &mut self, object: OnionStaticObject, ) -> Result<(), RuntimeError>

pub fn pop(&mut self) -> Result<OnionStaticObject, RuntimeError>

pub fn discard_objects(&mut self, count: usize) -> Result<(), RuntimeError>

pub fn discard_objects_offset( &mut self, offset: usize, count: usize, ) -> Result<(), RuntimeError>

pub fn get_object_rev( &self, idx: usize, ) -> Result<&OnionStaticObject, RuntimeError>

pub fn get_object_rev_mut( &mut self, idx: usize, ) -> Result<&mut OnionStaticObject, RuntimeError>

pub fn let_variable( &mut self, name: usize, value: OnionStaticObject, ) -> Result<(), RuntimeError>

pub fn get_variable(&self, name: usize) -> Option<&OnionStaticObject>

pub fn get_variable_mut( &mut self, name: usize, ) -> Option<&mut OnionStaticObject>

pub fn swap(&mut self, idx1: usize, idx2: usize) -> Result<(), RuntimeError>

pub fn get_current_stack_mut( &mut self, ) -> Result<&mut Vec<OnionStaticObject>, RuntimeError>

pub fn push_to_stack( stack: &mut Vec<OnionStaticObject>, object: OnionStaticObject, )

pub fn pop_from_stack( stack: &mut Vec<OnionStaticObject>, ) -> Result<OnionStaticObject, RuntimeError>

pub fn discard_from_stack( stack: &mut Vec<OnionStaticObject>, count: usize, ) -> Result<(), RuntimeError>

pub fn get_object_from_stack( stack: &Vec<OnionStaticObject>, idx: usize, ) -> Result<&OnionStaticObject, RuntimeError>

pub fn get_objects_slice( stack: &Vec<OnionStaticObject>, idx: usize, len: usize, ) -> Result<&[OnionStaticObject], RuntimeError>

pub fn replace_last_object( stack: &mut Vec<OnionStaticObject>, object: OnionStaticObject, )

pub fn format_context(&self, package: &VMInstructionPackage) -> String

Trait Implementations

impl Clone for Context

fn clone(&self) -> Context

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.