Struct Decoder

pub struct Decoder { /* private fields */ }

Available on crate feature decode only.

A Pulley bytecode decoder.

Does not materialize bytecode instructions, instead all decoding methods are given an OpVisitor implementation and the appropriate visitor methods are called upon decoding an instruction. This minimizes the amount of times we branch on the opcode, avoids constructing temporary storage, and plays well with our variable-length instruction encoding.

Implementations

impl Decoder

pub fn new() -> Self

Create a new decoder.

pub fn decode_all<'a, V>(visitor: &mut V) -> Result<Vec<V::Return>>

where V: OpVisitor<BytecodeStream = SafeBytecodeStream<'a>> + ExtendedOpVisitor,

Decode all instructions in the visitor’s bytecode stream.

The associated visitor method is invoked after each instruction is decoded.

impl Decoder

pub fn decode_one<V>( &mut self, visitor: &mut V, ) -> Result<V::Return, <V::BytecodeStream as BytecodeStream>::Error>

where V: OpVisitor + ExtendedOpVisitor,

Decode one instruction from the visitor’s bytestream.

Upon decoding, the visitor’s associated callback is invoked and the results returned.

Trait Implementations

impl Default for Decoder

fn default() -> Decoder

Returns the “default value” for a type.