Enum cairo_lang_sierra_ap_change::ApChange

pub enum ApChange {
    Unknown,
    Known(usize),
    FromMetadata,
    AtLocalsFinalizationByTypeSize(ConcreteTypeId),
    KnownByTypeSize(ConcreteTypeId),
    FunctionCall(FunctionId),
    FinalizeLocals,
}

Describes the effect on the ap register in a given libfunc branch.

Variants

Unknown

The libfunc changes ap in an unknown way.

Known(usize)

The libfunc changes ap by a known size.

FromMetadata

The libfunc changes ap by a known size, provided in the metadata. Currently this only includes branch_align libfunc.

AtLocalsFinalizationByTypeSize(ConcreteTypeId)

The libfunc changes ap by a known size, which is the size of the given type at locals finalization stage.

KnownByTypeSize(ConcreteTypeId)

The libfunc changes ap by a known size, which is the size of the given type.

FunctionCall(FunctionId)

The libfunc is a function call - it changes according to the given function and call cost.

FinalizeLocals

Trait Implementations

impl Clone for ApChange

fn clone(&self) -> ApChange

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ApChange

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

Formats the value using the given formatter.

impl PartialEq<ApChange> for ApChange

fn eq(&self, other: &ApChange) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for ApChange

impl StructuralEq for ApChange

impl StructuralPartialEq for ApChange