[grammarians] [Rubygrammar-grammarians] embedded expressions and dynamic quotes

[Mauricio Fernández]

On Sat, Nov 26, 2005 at 03:39:52PM -0800, Terence Parr wrote:
> On Nov 26, 2005, at 2:04 PM, Martin Traverso wrote:
> > Double-quoted strings can also be constructed with % or %Q and an  
> > delimiter character, according to these rules (from the Pickaxe book).
[...]
> 
> Holy crap!  That is VERY tough for a static lexer to deal with.  I  
> wonder if a semantic predicate will help us out here...hmm...

What about this then?

puts "foo #{%	#{<<E1}	.chomp + " bar #{<<E2.chomp}"} baz"
1 2 3
4 5 6
E1
blergh
E2

Output:

foo 1 2 3
4 5 6 bar blergh baz

-- 
Mauricio Fernandez