Method numbered_entity

cranelift/reader/src/lexer.rs:345–366

If prefix is a well-known entity prefix and suffix is a valid entity number, return the decoded token.

(prefix: &str, number: u32)

    // If prefix is a well-known entity prefix and suffix is a valid entity number, return the
    // decoded token.
    fn numbered_entity(prefix: &str, number: u32) -> Option<Token<'a>> {
        match prefix {
            "v" => Value::with_number(number).map(Token::Value),
            "block" => Block::with_number(number).map(Token::Block),
            "ss" => Some(Token::StackSlot(number)),
            "dss" => Some(Token::DynamicStackSlot(number)),
            "dt" => Some(Token::DynamicType(number)),
            "gv" => Some(Token::GlobalValue(number)),
            "mt" => Some(Token::MemoryType(number)),
            "const" => Some(Token::Constant(number)),
            "fn" => Some(Token::FuncRef(number)),
            "sig" => Some(Token::SigRef(number)),
            "u" => Some(Token::UserRef(number)),
            "userextname" => Some(Token::UserNameRef(number)),
            "extable" => Some(Token::ExceptionTableRef(number)),
            "tag" => Some(Token::ExceptionTag(number)),
            "region" => Some(Token::AliasRegion(number)),
            "ret" => Some(Token::TryCallRet(number)),
            "exn" => Some(Token::TryCallExn(number)),
            _ => None,
        }
    }

    // Recognize a scalar or vector type.
    fn value_type(text: &str, prefix: &str, number: u32) -> Option<Token<'a>> {