as-ffi-bindings 0.1.0

Helpers to read and write memory in AssemblyScript wasm modules
Documentation 
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use super::{Env, Read, StringPtr};

// if get_string throws an exception abort for some reason is being called
pub fn abort(env: &Env, message: StringPtr, filename: StringPtr, line: i32, col: i32) {
    let memory = env.memory.get_ref().expect("initialized memory");
    let message = message.read(memory).unwrap();
    let filename = filename.read(memory).unwrap();
    eprintln!("Error: {} at {}:{} col: {}", message, filename, line, col);
}

macro_rules! export_asr {
    ($func_name:ident, $env:expr) => {
        $env.$func_name
            .as_ref()
            .expect("Assembly Script Runtime not exported")
    };
}
pub(crate) use export_asr;