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we (web engine): Experimental web browser project to understand the limits of Claude
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123456789101112131415161718192021222324252627282930313233//! JavaScript engine — lexer, parser, bytecode, register VM, GC, JIT (AArch64).
use std::fmt;
/// An error produced by the JavaScript engine.#[derive(Debug)]pub enum JsError { /// The engine does not yet support this feature or syntax. NotImplemented, /// A parse/syntax error in the source. SyntaxError(String), /// A runtime error during execution. RuntimeError(String),}
impl fmt::Display for JsError { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { JsError::NotImplemented => write!(f, "not implemented"), JsError::SyntaxError(msg) => write!(f, "SyntaxError: {}", msg), JsError::RuntimeError(msg) => write!(f, "RuntimeError: {}", msg), } }}
/// Evaluate a JavaScript source string and return the completion value.////// This is a stub that always returns `NotImplemented`. The real/// implementation will lex, parse, compile to bytecode, and execute.pub fn evaluate(_source: &str) -> Result<(), JsError> { Err(JsError::NotImplemented)}