Method function_body

core/src/renderer/js/ast.rs:421–444

FunctionBody ::= "{" ( SourceElements )? "}"

(&mut self)

    /// FunctionBody ::= "{" ( SourceElements )? "}"
    fn function_body(&mut self) -> Option<Rc<Node>> {
        // consume '{'
        match self.t.next() {
            Some(t) => match t {
                Token::Punctuator(c) => assert!(c == '{'),
                _ => unimplemented!("function should have open curly blacket but got {:?}", t),
            },
            None => unimplemented!("function should have open curly blacket but got None"),
        }

        let mut body = Vec::new();
        loop {
            // loop until hits '}'
            if let Some(Token::Punctuator(c)) = self.t.peek() {
                if c == &'}' {
                    // consume '}'
                    assert!(self.t.next().is_some());
                    return Node::new_block_statement(body);
                }
            }

            body.push(self.source_element());
        }
    }

    /// ArgumentList ::= AssignmentExpression ( "," AssignmentExpression )*
    ///