* Support grouping of attributes into sections by using "###"

comments.

svn path=/nixpkgs/trunk/; revision=6493
This commit is contained in:
Eelco Dolstra 2006-09-11 16:18:07 +00:00
parent 811910342a
commit 4b249f3b6f

View file

@ -24,9 +24,19 @@ strategies
no-wsp = !appl(prod([], cf(opt(layout())), no-attrs()), [])
rules
list-sep(s): [] -> []
list-sep(s): [x | xs] -> [[x | before] | <list-sep(s)> [split | after]]
where
<split-fetch-keep(s)> xs => (before, split, after)
list-sep(s): [x | xs] -> [[x | xs]]
where
<not(split-fetch-keep(s))> xs
sort-attrs:
appl(p@prod(_, _, attrs([term(cons("Attrs"))])),
[ lit("{")
@ -36,18 +46,28 @@ rules
, lit("}")
]
) ->
appl(p, [lit("{"), <no-wsp>, appl(p2, attrs'), ws2, lit("}")])
appl(p, [lit("{"), <no-wsp>, appl(p2, <concat> attrs'), ws2, lit("}")])
where
<debug> "found it";
<group> [ws1 | attrs] => groups;
<qsort(compare-attrs)> groups => attrs';
<attach-wsp> [ws1 | attrs] => withWSP;
<list-sep(starts-section)> withWSP => groups;
<length; debug> groups;
<map( \[x | xs] -> [x | <qsort(compare-attrs)> xs]\ )> groups => attrs';
<debug> "did it"
group: [a, b | cs] -> [(a, b) | <group> cs]
group: [] -> []
attach-wsp: [a, b | cs] -> [(a, b) | <attach-wsp> cs]
attach-wsp: [] -> []
starts-section: x@(appl(prod([cf(layout())], cf(opt(layout())), no-attrs()), cs), attr) -> x
where <debug; starts-section'> cs
starts-section': [35, 35, 35 | cs] -> 1
starts-section': [c | cs] -> <starts-section'> cs
where <not(?35)> c
compare-attrs:
x@
( (_, appl(p1@prod(_, _, attrs([term(cons("Bind"))])), [id1 | xs1]))
@ -55,9 +75,6 @@ rules
)
-> x
where
<debug> "foo";
<debug> id1;
<debug> id2;
<string-lt> (id1, id2)