webidl-rs

A lexer and parser for WebIDL in Rust.

Documentation.

Example

Lexing

use webidl::*;

let lexer = Lexer::new("/* Example taken from emscripten site */\n\
                        enum EnumClass_EnumWithinClass {\n\
                            \"EnumClass::e_val\"\n\
                        };");
assert_eq!(lexer.collect::<Vec<_>>(),
           vec![Ok((41, Token::Enum, 45)),
                Ok((46, Token::Identifier("EnumClass_EnumWithinClass".to_string()), 71)),
                Ok((72, Token::LeftBrace, 73)),
                Ok((74, Token::StringLiteral("EnumClass::e_val".to_string()), 92)),
                Ok((93, Token::RightBrace, 94)),
                Ok((94, Token::Semicolon, 95))]);

Parsing

use webidl::*;
use webidl::ast::*;

let result = Parser::parse_string("[Attribute] interface Node { };");

assert_eq!(result,
           Ok(vec![Definition::Interface(Interface::NonPartial(NonPartialInterface {
                extended_attributes: vec![
                    Box::new(ExtendedAttribute::NoArguments(
                        Other::Identifier("Attribute".to_string())))],
                inherits: None,
                members: vec![],
                name: "Node".to_string()
           }))]));