Struct ExecutionStack 

pub struct ExecutionStack(/* private fields */);

The ExecutionStack is the stack of the CPU. It stores ExecutionPointers to every block of code being executed at any moment.

Implementations

impl ExecutionStack

pub fn new() -> ExecutionStack

Create a new empty ExecutionStack.

pub fn clear(&mut self)

Delete everything in the stack.

pub fn top(&self) -> Option<&ExecutionPointer>

Get the top pointer on the stack. Returns None if the stack is empty.

pub fn increment(&mut self)

Increment the index of the top pointer on the stack.

pub fn jump(&mut self, target: &Symbol)

Jump execution to a given symbol. Will not error, even if the symbol is undefined.

pub fn ret(&mut self)

Return execution to the previous location. Will not error.

pub fn dump(&self) -> Vec<ExecutionPointer>

Trait Implementations

impl Clone for ExecutionStack

fn clone(&self) -> ExecutionStack

Returns a duplicate of the value.

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

Performs copy-assignment from source.