}
public static abstract class Target {
- public abstract String getName();
- 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 String getName() { return _bindable.getSimpleName(); }
+ public tag getTag() { return (tag)_bindable.getAnnotation(tag.class); }
+ public nonterminal getNonTerminal() { return (nonterminal)_bindable.getAnnotation(nonterminal.class); }
+ public String toString() { return _bindable.getSimpleName(); }
+ public Object plant(Object[] fields) { return _bindable.impose(fields); }
+ public boolean isRaw() { return _bindable.isAnnotationPresent(raw.class); }
+ public Object invokeRaw(Iterable<Tree<Object>> t) { return _bindable.impose(new Object[] { t }); }
+
public boolean isCompatible(Production p) {
tag t = getTag();
if (t != null &&
return false;
}
+
public int[] buildSequence(Production p, String[] names, arg[] argtags) {
int argTagged = 0;
for(int i=0; i<argtags.length; i++)
}
}
public Sequence makeSequence(Production p) {
- return Sequence.rewritingSequence(new TargetReducer(p, buildSequence(p), "reducer-"+this), p.elements, p.labels, p.drops);
+ return Sequence.rewritingSequence(new TargetReducer(p, buildSequence(p), "reducer-"+this),
+ p.elements, p.labels, p.drops);
}
- public abstract Object plant(Object[] fields);
- public boolean isRaw() { return false; }
- public Object invokeRaw(Iterable<Tree<Object>> t) { return null; }
+
public class TargetReducer implements Tree.TreeFunctor<Object,Object> {
private Production p;
private int[] map;
public static class TargetClass extends Target {
public final Class _class;
- public TargetClass(Class _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); }
- public String toString() { return _class.getSimpleName(); }
+ public TargetClass(Class _class) { super(Reflection.Bindable.create(_class)); this._class = _class; }
public int[] buildSequence(Production p) {
Field[] f = _class.getDeclaredFields();
String[] names = new String[f.length];
return new TargetConstructor(c).buildSequence(p);
return null;
}
- public Object plant(Object[] fields) {
- try {
- Object ret = _class.newInstance();
- Field[] f = _class.getFields();
- int j = 0;
- for(int i=0; i<f.length; i++) {
- Object tgt = Reflection.lub(fields[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 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 String getName() { return _ctor.getName(); }
- public tag getTag() { return (tag)_ctor.getAnnotation(tag.class); }
- public nonterminal getNonTerminal() { return (nonterminal)_ctor.getAnnotation(nonterminal.class); }
- public String toString() { return _ctor.getName(); }
+ public TargetConstructor(Constructor _ctor) { super(Reflection.Bindable.create(_ctor)); this._ctor = _ctor; }
public int[] buildSequence(Production p) {
Annotation[][] annotations = _ctor.getParameterAnnotations();
int len = annotations.length;
argtags[i+ofs] = (arg)a;
return buildSequence(p, names, argtags);
}
- public Object plant(Object[] fields) {
- try {
- Class[] argTypes = _ctor.getParameterTypes();
- Object[] args = new Object[argTypes.length];
- int j = 0;
- for(int i=0; i<args.length; i++) {
- Object tgt = Reflection.lub(fields[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 static class TargetMethod extends Target {
public final Method _method;
- public TargetMethod(Method _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); }
- public nonterminal getNonTerminal() { return (nonterminal)_method.getAnnotation(nonterminal.class); }
+ public TargetMethod(Method _method) { super(Reflection.Bindable.create(_method)); this._method = _method; }
public int[] buildSequence(Production p) {
Annotation[][] annotations = _method.getParameterAnnotations();
String[] names = new String[annotations.length];
int[] ret = buildSequence(p, names, argtags);
return ret;
}
- public boolean isRaw() { return _method.isAnnotationPresent(raw.class); }
- public Object invokeRaw(Iterable<Tree<Object>> t) {
- try {
- return _method.invoke(null, new Object[] { t });
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- public Object plant(Object[] fields) {
- try {
- Class[] argTypes = _method.getParameterTypes();
- Object[] args = new Object[argTypes.length];
- int j = 0;
- for(int i=0; i<args.length; i++) {
- Object tgt = Reflection.lub(fields[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;
- }
-
- 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);
- }
- }
- return o;
}
public static Union cached = null;