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#![deny(
unused_qualifications,
clippy::all,
unused_qualifications,
unused_import_braces,
unused_lifetimes,
unreachable_pub,
trivial_numeric_casts,
rustdoc,
missing_debug_implementations,
missing_copy_implementations,
deprecated_in_future,
meta_variable_misuse,
non_ascii_idents,
rust_2018_compatibility,
rust_2018_idioms,
future_incompatible,
nonstandard_style
)]
#![warn(clippy::perf, clippy::single_match_else, clippy::dbg_macro)]
#![allow(
clippy::missing_inline_in_public_items,
clippy::cognitive_complexity,
clippy::must_use_candidate,
clippy::missing_errors_doc,
clippy::as_conversions
)]
pub mod builtins;
pub mod environment;
pub mod exec;
pub mod realm;
pub mod syntax;
#[cfg(feature = "wasm-bindgen")]
mod wasm;
#[cfg(feature = "wasm-bindgen")]
pub use crate::wasm::*;
use crate::{
builtins::value::ResultValue,
exec::{Executor, Interpreter},
realm::Realm,
syntax::{ast::node::Node, lexer::Lexer, parser::Parser},
};
#[cfg(feature = "serde-ast")]
pub use serde_json;
fn parser_expr(src: &str) -> Result<Node, String> {
let mut lexer = Lexer::new(src);
lexer.lex().map_err(|e| format!("SyntaxError: {}", e))?;
let tokens = lexer.tokens;
Parser::new(&tokens)
.parse_all()
.map_err(|e| format!("ParsingError: {}", e))
}
pub fn forward(engine: &mut Interpreter, src: &str) -> String {
let expr = match parser_expr(src) {
Ok(v) => v,
Err(error_string) => {
return error_string;
}
};
let result = engine.run(&expr);
match result {
Ok(v) => v.to_string(),
Err(v) => format!("{}: {}", "Error", v.to_string()),
}
}
pub fn forward_val(engine: &mut Interpreter, src: &str) -> ResultValue {
match parser_expr(src) {
Ok(expr) => engine.run(&expr),
Err(e) => {
eprintln!("{}", e);
std::process::exit(1);
}
}
}
pub fn exec(src: &str) -> String {
let realm = Realm::create();
let mut engine: Interpreter = Executor::new(realm);
forward(&mut engine, src)
}