Struct Frame

pub struct Frame {
    pub kind: FrameKind,
    pub block_type: BlockType,
    pub height: usize,
    pub unreachable: bool,
    pub init_height: usize,
}

A Wasm control flow block on the control flow stack during Wasm validation.

Fields

kind: FrameKind

Indicator for what kind of instruction pushed this frame.

block_type: BlockType

The type signature of this frame, represented as a singular return type or a type index pointing into the module’s types.

height: usize

The index, below which, this frame cannot modify the operand stack.

unreachable: bool

Whether this frame is unreachable so far.

init_height: usize

The number of initializations in the stack at the time of its creation

Trait Implementations

impl Clone for Frame

fn clone(&self) -> Frame

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Frame

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

Formats the value using the given formatter.

impl Copy for Frame