Crate boa_macros 

Macros for the Boa JavaScript engine.

About Boa

Boa is an open-source, experimental ECMAScript Engine written in Rust for lexing, parsing and executing ECMAScript/JavaScript. Currently, Boa supports some of the language. More information can be viewed at Boa’s website.

Try out the most recent release with Boa’s live demo playground.

Boa Crates

• boa_cli - Boa’s CLI && REPL implementation
• boa_ast - Boa’s ECMAScript Abstract Syntax Tree.
• boa_engine - Boa’s implementation of ECMAScript builtin objects and execution.
• boa_gc - Boa’s garbage collector.
• boa_icu_provider - Boa’s ICU4X data provider.
• boa_interner - Boa’s string interner.
• boa_macros - Boa’s macros.
• boa_parser - Boa’s lexer and parser.
• boa_runtime - Boa’s WebAPI features.
• boa_string - Boa’s ECMAScript string implementation.
• tag_ptr - Utility library that enables a pointer to be associated with a tag of type usize.
• small_btree - Utility library that adds the SmallBTreeMap data structure.

Macros

embed_module_inner

Implementation of the inner iterator of the embed_module! macro. All arguments are required.

js_object

Create a JsObject object from a simpler DSL that resembles JSON.

js_str

Convert a utf8 string literal to a JsString

js_value

The js_value! macro creates a JsValue instance based on a JSON-like DSL.

utf16

Construct a utf-16 array literal from a utf-8 str literal.

Attribute Macros

boa_class

boa_class proc macro attribute that applies to an impl XYZ block and add a [boa_engine::JsClass] implementation for it.

boa_module

boa_module proc macro attribute for declaring a boa_engine::Module based on a Rust module. The original Rust module will also be exposed as is.

Derive Macros

Finalize

Derive the Finalize trait.

JsData

Derive the JsData trait.

Trace

Derive the Trace trait.

TryFromJs

Derives the TryFromJs trait, with the #[boa()] attribute.

TryIntoJs

Derives the TryIntoJs trait, with the #[boa()] attribute.