On Fri, Nov 30, 2012 at 5:57 AM, Philip Fearon
<pgfearo(_at_)googlemail(_dot_)com> wrote:
As
we all too-well know one of the most frequent and most difficult to
detect programming error is failing to precede a (what must be a)
variable reference with the '$' character. I would like any such
occurence to be hi-lighted in bold red, and in addition, even
flashing. Just implementing this will save many hours of confusion to
us all.
I agree this would be most useful as I often find I've omitted the '$' myself.
Though this would be a simplistic approach I guess the easiest thing
would be to just
have a key holding all the permitted element names (even ignoring namespaces)
and for each apparent element name found in the expression check for a match.
I thought of something even more simple:
Error-highlight a name if it isn't starting with the '$' character and
there is a variable defined with the same name.
Even if this is not an error (a node with the same name exists in the
set of documents being processed), this would be a good warning that
it would be a good idea to change the name of the same-named variable
to something more safe.
This can be done easily for a primary stylesheet that doesn't
import/include other stylesheets. Importing/including can be added as
a second stage by implementing a graph traversal whete the nodes are
the stylesheet modules and the arcs are the import/include
relationships.
--
Cheers,
Dimitre Novatchev
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Truly great madness cannot be achieved without significant intelligence.
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To invent, you need a good imagination and a pile of junk
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Never fight an inanimate object
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To avoid situations in which you might make mistakes may be the
biggest mistake of all
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Quality means doing it right when no one is looking.
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You've achieved success in your field when you don't know whether what
you're doing is work or play
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Facts do not cease to exist because they are ignored.
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Typing monkeys will write all Shakespeare's works in 200yrs.Will they
write all patents, too? :)
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I finally figured out the only reason to be alive is to enjoy it.
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