Struct runestick::Assembly

pub struct Assembly { /* fields omitted */ }

Helper structure to build instructions and maintain certain invariants.

Implementations

impl Assembly

pub fn new_label(&mut self, name: &'static str) -> Label

Construct and return a new label.

pub fn label(&mut self, label: Label) -> Result<Label, UnitError>

Apply the label at the current instruction offset.

pub fn jump(&mut self, label: Label, span: Span)

Add a jump to the given label.

pub fn jump_if(&mut self, label: Label, span: Span)

Add a conditional jump to the given label.

pub fn jump_if_not(&mut self, label: Label, span: Span)

Add a conditional jump to the given label.

pub fn jump_if_branch(&mut self, branch: i64, label: Label, span: Span)

Add a conditional jump-if-branch instruction.

pub fn pop_and_jump_if(&mut self, count: usize, label: Label, span: Span)

Add a pop-and-jump-if instruction to a label.

pub fn pop_and_jump_if_not(&mut self, count: usize, label: Label, span: Span)

Add a pop-and-jump-if-not instruction to a label.

pub fn push(&mut self, raw: Inst, span: Span)

Push a raw instruction.

pub fn push_with_comment<C>(&mut self, raw: Inst, span: Span, comment: C) where
    C: AsRef<str>, 

Push a raw instruction.

Trait Implementations

impl Clone for Assembly

fn clone(&self) -> Assembly

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Assembly

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Assembly

fn default() -> Assembly

Returns the "default value" for a type.