boa_engine 0.17.0

Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
Documentation 
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use crate::{
    vm::{opcode::Operation, CompletionType},
    Context, JsResult,
};

/// `PushLiteral` implements the Opcode Operation for `Opcode::PushLiteral`
///
/// Operation:
///  - Push literal value on the stack.
#[derive(Debug, Clone, Copy)]
pub(crate) struct PushLiteral;

impl Operation for PushLiteral {
    const NAME: &'static str = "PushLiteral";
    const INSTRUCTION: &'static str = "INST - PushLiteral";

    fn execute(context: &mut Context<'_>) -> JsResult<CompletionType> {
        let index = context.vm.read::<u32>() as usize;
        let value = context.vm.frame().code_block.literals[index].clone();
        context.vm.push(value);
        Ok(CompletionType::Normal)
    }
}