diff options
Diffstat (limited to 'src/interp/c-util.boot')
| -rw-r--r-- | src/interp/c-util.boot | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/src/interp/c-util.boot b/src/interp/c-util.boot index a96c8693..7fd42c62 100644 --- a/src/interp/c-util.boot +++ b/src/interp/c-util.boot @@ -49,6 +49,34 @@ module c_-util where -- functor data manipulation dbInfovec: %Constructor -> %Maybe %FunctorData +--% Accessors of domain and category objects + +++ Return thr i-th part of a category object +macro categoryRef(c,i) == + vectorRef(c,i) + +++ Return the i-th part of a domain object. +macro domainRef(d,i) == + vectorRef(d,i) + +++ Return the canonical form for a domain or category object +macro canonicalForm d == + vectorRef(d,0) + +++ Return the constructor that instantiates to the domain +++ or category object +macro instantiationCtor d == + canonicalForm(d).op + +++ Return the canonical forms of the arguments used to instantiate +++ a domain or a category object. +macro instantiationArgs d == + canonicalForm(d).args + +++ Return the list of operations exported by a category object +macro categoryExports d == + categoryRef(d,1) + --% $SetCategory == '(SetCategory) @@ -191,9 +219,9 @@ declareUnusedParameters x == (augment x; x) where devaluate d == not vector? d => d - QVSIZE d > 5 and vectorRef(d,3) is ['Category] => vectorRef(d,0) + QVSIZE d > 5 and vectorRef(d,3) is ['Category] => canonicalForm d QVSIZE d > 0 => - d' := vectorRef(d,0) + d' := canonicalForm d isFunctor d' => d' d d |