From f784dcad0bda2c518cc21df24180019263915da5 Mon Sep 17 00:00:00 2001
From: Matthias Benkard <mulk@minimulk.mst-plus>
Date: Mon, 11 Aug 2008 12:16:44 +0200
Subject: MLKForm: Add method -subforms.

---
 MLKForm.m | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 97 insertions(+), 2 deletions(-)

(limited to 'MLKForm.m')

diff --git a/MLKForm.m b/MLKForm.m
index c453ada..34d0b1f 100644
--- a/MLKForm.m
+++ b/MLKForm.m
@@ -78,6 +78,11 @@
                            inContext:context
                            forCompiler:compiler]);
 }
+
+-(NSArray *) subforms
+{
+  return [NSArray array];
+}
 @end
 
 
@@ -93,8 +98,6 @@
 
 
 @implementation MLKSelfEvaluatingForm
-// FIXME
-
 +(Class) dispatchClassForObject:(id)object
 {
   return self;
@@ -246,6 +249,11 @@
 {
   [self processBody:object inContext:_context];
 }
+
+-(NSArray *) subforms
+{
+  return _bodyForms;
+}
 @end
 
 
@@ -260,6 +268,11 @@
   [self splitDeclarationsAndBody:object];
   return _declarations;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObjectsFromArray:_declarationForms];
+}
 @end
 
 
@@ -278,6 +291,11 @@
   LASSIGN (_argumentForms, [_tail array]);
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObjectsFromArray:_argumentForms];
+}
 @end
 
 
@@ -289,6 +307,12 @@
   LASSIGN (_bodyForms, [[_tail cdr] array]);
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[[super subforms] arrayByAddingObject:_tagForm]
+          arrayByAddingObjectsFromArray:_bodyForms];
+}
 @end
 
 
@@ -400,6 +424,11 @@
   LASSIGN (_lambdaForm, MAKE_FORM ([_tail car]));
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObject:_lambdaForm];
+}
 @end
 
 
@@ -422,6 +451,13 @@
   LASSIGN (_alternativeForm, MAKE_FORM ([[[_tail cdr] cdr] car]));
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[[[super subforms] arrayByAddingObject:_conditionForm]
+           arrayByAddingObject:_consequentForm]
+          arrayByAddingObject:_alternativeForm];
+}
 @end
 
 
@@ -539,6 +575,11 @@
           inContext:newContext];
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObjectsFromArray:_functionBindingForms];
+}
 @end
 
 
@@ -579,6 +620,11 @@
           inContext:newContext];
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObjectsFromArray:_variableBindingForms];
+}
 @end
 
 
@@ -621,6 +667,11 @@
   [self processBody:[_tail cdr]];
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObject:_functionForm];
+}
 @end
 
 
@@ -643,6 +694,12 @@
   [self processBody:[[_tail cdr] cdr]];
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[[super subforms] arrayByAddingObject:_variableListForm]
+          arrayByAddingObject:_valueListForm];
+}
 @end
 
 
@@ -677,6 +734,11 @@
   LASSIGN (_valueForms, valueForms);
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObjectsFromArray:_valueForms];
+}
 @end
 
 
@@ -701,6 +763,11 @@
   LASSIGN (_valueForms, valueForms);
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObjectsFromArray:_valueForms];
+}
 @end
 
 
@@ -712,6 +779,12 @@
   LASSIGN (_valueForm, MAKE_FORM ([[_tail cdr] car]));
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[[super subforms] arrayByAddingObject:_variableForm]
+          arrayByAddingObject:_valueForm];
+}
 @end
 
 
@@ -723,6 +796,12 @@
   LASSIGN (_valueForm, MAKE_FORM ([[_tail cdr] car]));
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[[super subforms] arrayByAddingObject:_functionNameForm]
+          arrayByAddingObject:_valueForm];
+}
 @end
 
 
@@ -734,6 +813,12 @@
   LASSIGN (_valueForm, MAKE_FORM ([[_tail cdr] car]));
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[[super subforms] arrayByAddingObject:_tagForm]
+          arrayByAddingObject:_valueForm];
+}
 @end
 
 
@@ -745,6 +830,11 @@
   [self processBody:[_tail cdr]];
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObject:_protectedForm];
+}
 @end
 
 
@@ -804,6 +894,11 @@
 
   return self;
 }
+
+-(NSArray *) subforms
+{
+  return [[super subforms] arrayByAddingObject:_valueForm];
+}
 @end
 
 
-- 
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