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extern crate chrono;
extern crate gc;
extern crate rand;
extern crate serde_json;
#[macro_use]
extern crate gc_derive;
pub mod environment;
pub mod exec;
pub mod js;
pub mod syntax;
use crate::exec::{Executor, Interpreter};
use crate::syntax::lexer::Lexer;
use crate::syntax::parser::Parser;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(js_namespace = console)]
fn log(s: &str);
}
pub fn exec(src: String) -> String {
let mut lexer = Lexer::new(&src);
lexer.lex().unwrap();
let tokens = lexer.tokens;
let expr = Parser::new(tokens).parse_all().unwrap();
let mut engine: Interpreter = Executor::new();
let result = engine.run(&expr);
match result {
Ok(v) => v.to_string(),
Err(v) => String::from(format!("{}: {}", "Error", v.to_string())),
}
}
#[wasm_bindgen]
pub fn evaluate(src: &str) -> String {
let mut lexer = Lexer::new(&src);
match lexer.lex() {
Ok(_v) => (),
Err(v) => log(&v.to_string()),
}
let tokens = lexer.tokens;
let expr: syntax::ast::expr::Expr;
match Parser::new(tokens).parse_all() {
Ok(v) => {
expr = v;
}
Err(_v) => {
log("parsing fail");
return String::from("parsing failed");
}
}
let mut engine: Interpreter = Executor::new();
let result = engine.run(&expr);
match result {
Ok(v) => v.to_string(),
Err(v) => {
log(&format!("{} {}", "asudihsiu", v.to_string()));
String::from(format!("{}: {}", "error", v.to_string()))
}
}
}