Hi,
I'm following the notes at
http://www.barebones.com/support/develop/clm.html#Functions to write a CLM
for Elm (http://elm-lang.org/) <http://elm-lang.org/> but I'm having a bit
of trouble and have a few questions. I've followed the tips at the end of
the doc so:
a) plutil -lint is fine.
b) Elm appears in the language pop-up.
c) The syntax is coloured.
However, no functions are found in the functions pop-up.
My questions:
1. The regex syntax looks to be Python flavoured (because of the (?P...)
modifier) but the whitespace modifier is (x: with a colon and wraps the
entire regex. Which engine is being used?
2. The regex (I'll include it below) works via the Find dialog but
obviously not via the Plist. The pattern uses inline modifiers (?s) and
(?-s) to help capture the function body. However, the aforementioned (?x:
syntax won't work in the find dialog, (?x) at the beginning, not wrapping
the regex, is what works so I'm wondering if the single line mode (?s) will
work in the Plist? I (now) know that Python doesn't support (?-s)
3. I'm assuming multiline mode is on by default in the CLM.
Here is the relevant section of the Plist.
<key>BBLMScansFunctions</key>
<true/>
<key>Function Pattern</key>
<string><![CDATA[
(?x: # Verbose
(?P<function>
(?: # Note: type sig expected first!
(?P<function_name> ^\w+ ) # name
\s+ : \s+ # start of types
(?:
[A-Z][a-z]+ # Type, e.g. String
(?: \s+ [a-z]+ )? # little type, e.g. Html msg
)
(?: # extra args
\s+
(?: \-\>\s+ )? # e.g. -> Maybe
[A-Z][a-z]+ # same as above with Type
(?: \s+ [a-z]+ )? # and little type
)*$ # repeat till end
)\n
(?s) # single line (dotall) on
^.+?\n$ # method body
(?-s) # single line (dotall) off
(?=\n$\n|\Z) # 2 line breaks or eof follows
)
)]]>
</string>
I've tried looking for other examples that make use of regex options but
I've not found any.
Any help or insight would be much appreciated.
Regards,
iain
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