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#![doc(
html_logo_url = "https://raw.githubusercontent.com/jasonwilliams/boa/master/assets/logo.svg",
html_favicon_url = "https://raw.githubusercontent.com/jasonwilliams/boa/master/assets/logo.svg"
)]
#![deny(
clippy::all,
unused_qualifications,
unused_import_braces,
unused_lifetimes,
unreachable_pub,
trivial_numeric_casts,
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,
clippy::let_unit_value,
rustdoc::missing_doc_code_examples
)]
pub mod bigint;
pub mod builtins;
pub mod class;
pub mod context;
pub mod environment;
pub mod exec;
pub mod gc;
pub mod object;
pub mod profiler;
pub mod property;
pub mod realm;
pub mod string;
pub mod symbol;
pub mod syntax;
pub mod value;
#[cfg(feature = "vm")]
pub mod bytecompiler;
#[cfg(feature = "vm")]
pub mod vm;
pub mod prelude {
pub use crate::{object::JsObject, Context, JsBigInt, JsResult, JsString, JsValue};
}
use std::result::Result as StdResult;
pub(crate) use crate::{exec::Executable, profiler::BoaProfiler};
#[doc(inline)]
pub use crate::{
bigint::JsBigInt, context::Context, string::JsString, symbol::JsSymbol, value::JsValue,
};
use crate::syntax::{
ast::node::StatementList,
parser::{ParseError, Parser},
};
#[must_use]
pub type JsResult<T> = StdResult<T, JsValue>;
#[inline]
pub fn parse<T: AsRef<[u8]>>(src: T, strict_mode: bool) -> StdResult<StatementList, ParseError> {
let src_bytes: &[u8] = src.as_ref();
Parser::new(src_bytes, strict_mode).parse_all()
}
#[cfg(test)]
pub(crate) fn forward<T: AsRef<[u8]>>(context: &mut Context, src: T) -> String {
let src_bytes: &[u8] = src.as_ref();
let expr = match parse(src_bytes, false) {
Ok(res) => res,
Err(e) => {
return format!(
"Uncaught {}",
context
.throw_syntax_error(e.to_string())
.expect_err("interpreter.throw_syntax_error() did not return an error")
.display()
);
}
};
expr.run(context).map_or_else(
|e| format!("Uncaught {}", e.display()),
|v| v.display().to_string(),
)
}
#[allow(clippy::unit_arg, clippy::drop_copy)]
#[cfg(test)]
pub(crate) fn forward_val<T: AsRef<[u8]>>(context: &mut Context, src: T) -> JsResult<JsValue> {
let main_timer = BoaProfiler::global().start_event("Main", "Main");
let src_bytes: &[u8] = src.as_ref();
let result = parse(src_bytes, false)
.map_err(|e| {
context
.throw_syntax_error(e.to_string())
.expect_err("interpreter.throw_syntax_error() did not return an error")
})
.and_then(|expr| expr.run(context));
drop(main_timer);
BoaProfiler::global().drop();
result
}
#[cfg(test)]
pub(crate) fn exec<T: AsRef<[u8]>>(src: T) -> String {
let src_bytes: &[u8] = src.as_ref();
match Context::new().eval(src_bytes) {
Ok(value) => value.display().to_string(),
Err(error) => error.display().to_string(),
}
}
#[cfg(test)]
pub(crate) enum TestAction {
Execute(&'static str),
TestEq(&'static str, &'static str),
TestStartsWith(&'static str, &'static str),
}
#[cfg(test)]
#[track_caller]
pub(crate) fn check_output(actions: &[TestAction]) {
let mut context = Context::new();
let mut i = 1;
for action in actions {
match action {
TestAction::Execute(src) => {
forward(&mut context, src);
}
TestAction::TestEq(case, expected) => {
assert_eq!(
&forward(&mut context, case),
expected,
"Test case {} ('{}')",
i,
case
);
i += 1;
}
TestAction::TestStartsWith(case, expected) => {
assert!(
&forward(&mut context, case).starts_with(expected),
"Test case {} ('{}')",
i,
case
);
i += 1;
}
}
}
}