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use log::{Level, debug, info};
use console_log;
use wasm_bindgen::prelude::*;
pub mod forth;
#[wasm_bindgen]
pub struct ExportedInstructionPointer {
pub word: usize,
pub offset: usize,
}
#[wasm_bindgen]
pub struct ExportedByteCode(Vec<String>);
#[wasm_bindgen]
impl ExportedByteCode {
pub fn len(&self) -> usize {
self.0.len()
}
pub fn at(&self, index: usize) -> String {
self.0[index].clone()
}
}
#[wasm_bindgen]
pub fn compile(text: &str) {
info!("compiling code: `{}`", text);
let mut p = forth::parser::Parser::new(&text);
p.parse().expect("couldn't parse text");
debug!("wordlist: {:?}", &p.wordlist);
let interp = forth::interp::Interp::new(p.wordlist);
debug!("interp: {:?}", interp);
}
#[wasm_bindgen]
pub fn tick() {
info!("executing single instruction");
}
#[wasm_bindgen]
pub fn ip() -> ExportedInstructionPointer {
ExportedInstructionPointer {
word: 0,
offset: 0,
}
}
#[wasm_bindgen]
pub fn wordlist() -> Vec<ExportedByteCode> {
vec![
ExportedByteCode(vec!["NOP".to_string(), "2".to_string(), "DUP".to_string()]),
]
}
#[wasm_bindgen]
pub struct ExportedInterp {
i: forth::interp::Interp,
}
#[wasm_bindgen]
impl ExportedInterp {
fn from_interp(i: forth::interp::Interp) -> Self {
Self { i }
}
pub fn foo(&self) {
info!("in interp::foo: {:?}", self.i.wordlist);
}
}
#[wasm_bindgen]
pub fn interp() -> ExportedInterp {
let i = forth::interp::Interp::new(forth::interp::WordList(vec![]));
ExportedInterp::from_interp(i)
}
#[wasm_bindgen]
pub fn run() {
info!("running to completion");
}
#[wasm_bindgen(start)]
pub fn init() -> Result<(), JsValue> {
console_log::init_with_level(Level::Debug).expect("couldn't init console log");
info!("wasm init");
Ok(())
}
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