Hi,
On 04/09/2011 05:29 PM, Ludovic Courtès wrote:
When parsing this with SAX, the ‘repeated’ element is seen before the
first occurrence of the derivation, which is a problem: the program that
parses it doesn’t have anything to repeat yet.
It depends on what you're trying to do in the SAX parser, but can't you
just skip the "repeated" node?
--- nix/src/libexpr/expr-to-xml.cc~ 2010-05-31 12:59:38.000000000 +0200
+++ nix/src/libexpr/expr-to-xml.cc 2011-04-09 17:23:26.000000000 +0200
@@ -138,8 +138,8 @@ static void printTermAsXML(Expr e, XMLWr
XMLOpenElement _(doc, "derivation", xmlAttrs);
This patch is against a very out-dated source tree. That file and
function don't exist anymore.
if (drvsSeen.find(e) == drvsSeen.end()) {
- drvsSeen.insert(e);
showAttrs(attrs, doc, context, drvsSeen, location);
+ drvsSeen.insert(e);
Wouldn't this introduce a potential infinite recursion? Also, wouldn't
it cause the same derivation to be printed twice?
--
Eelco Dolstra | http://www.st.ewi.tudelft.nl/~dolstra/
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