public abstract tag getTag();
public abstract nonterminal getNonTerminal();
public abstract int[] buildSequence(Production p);
+
+ private Reflection.Bindable _bindable;
+ public Target(Reflection.Bindable b) { this._bindable = b; }
+
public boolean isCompatible(Production p) {
tag t = getTag();
if (t != null &&
public Sequence makeSequence(Production p) {
return Sequence.rewritingSequence(new TargetReducer(p, buildSequence(p), "reducer-"+this), p.elements, p.labels, p.drops);
}
- public abstract Object plant(Object[] fields, int[] map);
+ public abstract Object plant(Object[] fields);
public boolean isRaw() { return false; }
- public Object invokeRaw(Iterable<Tree> t) { return null; }
- public class TargetReducer implements Functor<Iterable<Tree>,Object> {
+ public Object invokeRaw(Iterable<Tree<Object>> t) { return null; }
+ public class TargetReducer implements Tree.TreeFunctor<Object,Object> {
private Production p;
private int[] map;
private String name;
this.name = name;
}
public String toString() { return name; }
- public Object invoke(Iterable<Tree> t) {
+ public Object invoke(Iterable<Tree<Object>> t) {
if (isRaw()) return invokeRaw(t);
ArrayList ret = new ArrayList();
for(Tree tc : t) {
if (tc.head() != null && tc.head() instanceof Functor)
- ret.add(((Functor<Iterable<Tree>,Object>)tc.head()).invoke(tc.children()));
+ ret.add(((Tree.TreeFunctor<Object,Object>)tc.head()).invoke(tc.children()));
else if (tc.numChildren() == 0)
ret.add(tc.head());
else {
}
}
System.err.println("input tree: " + t);
- return plant(ret.toArray(new Object[0]), map);
+ 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+1];
+ for(int i=0; i<o.length; i++) o2[map[i]] = o[i];
+ return plant(o2);
}
}
}
public static class TargetClass extends Target {
public final Class _class;
- public TargetClass(Class _class) { this._class = _class; }
+ public TargetClass(Class _class) { super(Reflection.Bindable.create(_class)); this._class = _class; }
public String getName() { return _class.getSimpleName(); }
public tag getTag() { return (tag)_class.getAnnotation(tag.class); }
public nonterminal getNonTerminal() { return (nonterminal)_class.getAnnotation(nonterminal.class); }
return new TargetConstructor(c).buildSequence(p);
return null;
}
- public Object plant(Object[] fields, int[] map) {
- try {
- Object ret = _class.newInstance();
- Field[] f = _class.getFields();
- int j = 0;
- for(int i=0; i<f.length; i++)
- if (map[i] != -1) {
- Object tgt = Reflection.lub(fields[map[i]]);
- if (f[i].getType() == String.class) tgt = stringify(tgt);
- // FUGLY
- tgt = coerce(tgt, f[i].getType());
- System.err.println("setting a " + f[i].getType().getName() + " to " + Reflection.show(tgt));
- f[i].set(ret, tgt);
- }
- return ret;
- } catch (Exception e) {
- e.printStackTrace();
- throw new RuntimeException(e);
- }
+ public Object plant(Object[] fields) {
+ return Reflection.impose(_class, fields);
}
- }
-
- public static String stringify(Object o) {
- if (o==null) return "";
- if (!(o instanceof Object[])) return o.toString();
- Object[] arr = (Object[])o;
- StringBuffer ret = new StringBuffer();
- for(int i=0; i<arr.length; i++)
- ret.append(arr[i]);
- return ret.toString();
+
}
public static class TargetConstructor extends Target {
public final Constructor _ctor;
- public TargetConstructor(Constructor _ctor) { this._ctor = _ctor; }
+ public TargetConstructor(Constructor _ctor) { super(Reflection.Bindable.create(_ctor)); this._ctor = _ctor; }
public String getName() { return _ctor.getName(); }
public tag getTag() { return (tag)_ctor.getAnnotation(tag.class); }
public nonterminal getNonTerminal() { return (nonterminal)_ctor.getAnnotation(nonterminal.class); }
argtags[i+ofs] = (arg)a;
return buildSequence(p, names, argtags);
}
- public Object plant(Object[] fields, int[] map) {
- try {
- Class[] argTypes = _ctor.getParameterTypes();
- Object[] args = new Object[argTypes.length];
- int j = 0;
- for(int i=0; i<args.length; i++)
- if (map[i] != -1) {
- Object tgt = Reflection.lub(fields[map[i]]);
- if (argTypes[i] == String.class) tgt = stringify(tgt);
- // FUGLY
- tgt = coerce(tgt, argTypes[i]);
- System.err.println("setting a " + argTypes[i].getName() + " to " + Reflection.show(tgt));
- args[i] = tgt;
- }
- return _ctor.newInstance(args);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
+ public Object plant(Object[] fields) {
+ return Reflection.impose(_ctor, fields);
}
}
public static class TargetMethod extends Target {
public final Method _method;
- public TargetMethod(Method _method) { this._method = _method; }
+ public TargetMethod(Method _method) { super(Reflection.Bindable.create(_method)); this._method = _method; }
public String getName() { return _method.getName(); }
public String toString() { return _method.getName(); }
public tag getTag() { return (tag)_method.getAnnotation(tag.class); }
return ret;
}
public boolean isRaw() { return _method.isAnnotationPresent(raw.class); }
- public Object invokeRaw(Iterable<Tree> t) {
- try {
- return _method.invoke(null, new Object[] { t });
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- public Object plant(Object[] fields, int[] map) {
- try {
- Class[] argTypes = _method.getParameterTypes();
- Object[] args = new Object[argTypes.length];
- int j = 0;
- for(int i=0; i<args.length; i++)
- if (map[i] != -1) {
- Object tgt = Reflection.lub(fields[map[i]]);
- if (argTypes[i] == String.class) tgt = stringify(tgt);
- // FUGLY
- tgt = coerce(tgt, argTypes[i]);
- System.err.println("setting a " + argTypes[i].getName() + " to " + Reflection.show(tgt));
- args[i] = tgt;
- }
- System.err.println("invoking " + _method + " with " + Reflection.show(args));
- return _method.invoke(null, args);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- }
-
- public static Object coerce(Object o, Class c) {
- if (o==null) return null;
- if (c.isInstance(o)) return o;
- if (c == char.class) {
- return o.toString().charAt(0);
- }
-
- if (o.getClass().isArray() &&
- o.getClass().getComponentType().isArray() &&
- o.getClass().getComponentType().getComponentType() == String.class &&
- c.isArray() &&
- c.getComponentType() == String.class) {
- String[] ret = new String[((Object[])o).length];
- for(int i=0; i<ret.length; i++) {
- StringBuffer sb = new StringBuffer();
- for(Object ob : (Object[])(((Object[])o)[i]))
- sb.append(ob);
- ret[i] = sb.toString();
- }
- return ret;
+ public Object invokeRaw(Iterable<Tree<Object>> t) {
+ return Reflection.impose(_method, new Object[] { t });
}
-
- if (c.isArray() && (c.getComponentType().isInstance(o))) {
- Object[] ret = (Object[])Array.newInstance(c.getComponentType(), 1);
- ret[0] = o;
- return ret;
- }
-
- if (o.getClass().isArray() && c.isArray()) {
- boolean ok = true;
- for(int i=0; i<((Object[])o).length; i++) {
- Object ob = (((Object[])o)[i]);
- if (ob != null) {
- System.err.println("no hit with " + c.getComponentType().getName() + " on " + Reflection.show(((Object[])o)[i]));
- ok = false;
- }
- }
- if (ok) {
- System.err.println("hit with " + c.getComponentType().getName());
- return Array.newInstance(c.getComponentType(), ((Object[])o).length);
- }
+ public Object plant(Object[] fields) {
+ return Reflection.impose(_method, fields);
}
- return o;
+
}
public static Union cached = null;
}
public static Union make(Tree t, String s) { return make(t, s, new ReflectiveMeta()); }
public static Union make(Tree t, String s, ReflectiveMeta rm) {
- Functor<Iterable<Tree>,Object> red = (Functor<Iterable<Tree>,Object>)t.head();
+ Tree.TreeFunctor<Object,Object> red = (Tree.TreeFunctor<Object,Object>)t.head();
MG.Grammar g = (MG.Grammar)red.invoke(t.children());
Context cx = new Context(g,rm);
Union u = null;
}
public Context(Tree t, ReflectiveMeta rm) {
this.rm = rm;
- Functor<Iterable<Tree>,Object> red = (Functor<Iterable<Tree>,Object>)t.head();
+ Tree.TreeFunctor<Object,Object> red = (Tree.TreeFunctor<Object,Object>)t.head();
this.grammar = (MG.Grammar)red.invoke(t.children());
}
public Union peek(String name) { return map.get(name); }
projects / sbp.git / blobdiff