checkpoint

[sbp.git] / src / edu / berkeley / sbp / meta / MetaGrammar.java

diff --git a/src/edu/berkeley/sbp/meta/MetaGrammar.java b/src/edu/berkeley/sbp/meta/MetaGrammar.java
index 5772906..d2aae07 100644 (file)
--- a/src/edu/berkeley/sbp/meta/MetaGrammar.java
+++ b/src/edu/berkeley/sbp/meta/MetaGrammar.java
@@ -52,135 +52,6 @@ public class MetaGrammar {
         p.flush();
         os.close();
     }
-   
-    public static class TreeBindable {
-
-        private Bindable _bindable;
-        public TreeBindable(Object o) { this(Bindable.create(o)); }
-        public TreeBindable(Bindable b) { this._bindable = b; }
-
-        private int[] buildSequence(Production p) {
-            return p.buildSequence(_bindable);
-        }
-
-        public String  getName()   { return _bindable.getSimpleName(); }
-        public bind    getBind()   { return (bind)_bindable.getAnnotation(bind.class); }
-        public bind.as getBindAs() { return (bind.as)_bindable.getAnnotation(bind.as.class); }
-        public String  toString()  { return _bindable.getSimpleName(); }
-        public boolean isRaw()     { return _bindable.isAnnotationPresent(bind.raw.class); }
-
-        public boolean isCompatible(Production p) {
-            bind.as t = getBindAs();
-            bind b = getBind();
-
-            if (t != null &&
-                (t.value().equals(p.tag)))
-                return buildSequence(p)!=null;
-
-            if (t != null &&
-                ((t.value().equals("") && getName().equals(p.tag))))
-                return buildSequence(p)!=null;
-            if (b != null && getName().equals(p.tag))
-                return buildSequence(p)!=null;
-
-            if (t != null &&
-                (t.value().equals(p.tag)))
-                return buildSequence(p)!=null;
-            if (t != null &&
-                ((t.value().equals("") && getName().equals(p.tag))))
-                return buildSequence(p)!=null;
-            if (b != null && getName().equals(p.tag))
-                return buildSequence(p)!=null;
-
-            return false;
-        }
-
-        public Sequence makeSequence(final Production p) {
-
-            if (_bindable.getArgTypes().length > 0 &&
-                _bindable.getArgTypes()[0] == Input.Region.class) {
-                Functor<Input.Region,Object> func = new Functor<Input.Region,Object>() {
-                    public Object invoke(final Input.Region region) {
-                        return 
-                        new TreeBindableReducer(buildSequence(p),
-                                                _bindable,
-                                                isRaw()) {
-                            public Object invoke(Iterable<Tree<Object>> t) {
-                                ArrayList ret = new ArrayList();
-                                ret.add(region);
-                                for(Tree tc : t) {
-                                    if (tc.head() != null && tc.head() instanceof Functor)
-                                        ret.add(((Tree.TreeFunctor<Object,Object>)tc.head()).invoke(tc.children()));
-                                    else if (tc.numChildren() == 0)
-                                        ret.add(tc.head());
-                                    else {
-                                        System.err.println("FIXME: don't know what to do about " + tc);
-                                        ret.add(null);
-                                    }
-                                }
-                                Object[] o = (Object[])ret.toArray(new Object[0]);
-                                int max = 0;
-                                for(int i=0; i<map.length; i++) max = Math.max(map[i], max);
-                                Object[] o2 = new Object[max+2];
-                                for(int i=0; i<o.length; i++) o2[map[i]+1] = o[i];
-                                o2[0] = region;
-                                return _bindable.impose(o2);
-                            }
-                        };
-                    }
-                };
-                return Sequence.regionRewritingSequence(func,
-                                                        p.elements,
-                                                        p.drops);
-            }
-
-            if (isRaw())
-                return Sequence.rewritingSequence(new Tree.BindingFunctor(_bindable.createBinding()),
-                                                  p.elements,
-                                                  p.drops);
-            return Sequence.rewritingSequence(new TreeBindableReducer(buildSequence(p),
-                                                                      _bindable),
-                                              p.elements,
-                                              p.drops);
-        }
-
-    }
-
-    public static class TreeBindableReducer implements Tree.TreeFunctor<Object,Object>, ToJava {
-         int[] map;
-         Bindable _bindable;
-
-        public void toJava(StringBuffer sb) {
-            sb.append("new MetaGrammar.TreeBindableReducer(new int[] {");
-            for(int i=0; i<map.length; i++) sb.append((i+"")+(i<map.length-1 ? "," : ""));
-            sb.append("}, ");
-            _bindable.toJava(sb);
-            sb.append(")");
-        }
-        
-        public TreeBindableReducer(int[] map, Bindable b) { this(map,b, false); }
-        public TreeBindableReducer(int[] map, Bindable b, boolean raw) {
-            this.map = map;
-            this._bindable = b;
-        }
-        public String toString() { return "reducer-"+_bindable.toString(); }
-        public Object invoke(Iterable<Tree<Object>> t) {
-            ArrayList ret = new ArrayList();
-            for(Tree tc : t) {
-                if (tc.head() != null && tc.head() instanceof Functor)
-                    ret.add(((Tree.TreeFunctor<Object,Object>)tc.head()).invoke(tc.children()));
-                else if (tc.numChildren() == 0)
-                    ret.add(tc.head());
-                else {
-                    System.err.println("FIXME: don't know what to do about " + tc);
-                    ret.add(null);
-                }
-            }
-            Object[] o = (Object[])ret.toArray(new Object[0]);
-            return _bindable.createBinding(map).invoke(o);
-        }
-    }
-
 
     public static Union make() { return make(MetaGrammarTree.meta, "s"); }
     public static Union make(Tree t, String s) { return make(t, s, new AnnotationGrammarBindingResolver(MetaGrammarBindings.class)); }