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On Tue, 25 Jan 2011 07:23:29 +0200, steve donovan <steve.j.donovan@gmail.com> wrote:

On Mon, Jan 24, 2011 at 11:50 PM, David Given <dg@cowlark.com> wrote:
Interestingly enough, the absence of a @line directive in Lua is
crippling Objective Lua's ability to be useful.

Although it would not become mainline, a patched Lua specifically
designed as a flexible back-end is possible and useful: @line and
goto.

Anything else that would be needed?

tag-length-value tokens for strings and identifiers, so that code
generator can simply output escape, string/data length, and then
copy out raw data.