this(MG.class,
new Class[] {
MG.Grammar.class,
- MG.NonTerminal.class,
MG.AnonUn.class,
MG.Range.class,
MG.El.class,
MG.Seq.class,
+ MG.NonTerminal.class,
MG.NonTerminalReference.class,
MG.StringLiteral.class,
MG.XTree.class,
if (c != null && t.equals("") && c.getSimpleName().equals(s)) return true;
return false;
}
+ /*
private boolean match(nonterminal t, Class c, String s) {
if (t==null) return false;
if (t.value().equals(s)) return true;
if (c != null && t.equals("") && c.getSimpleName().equals(s)) return true;
return false;
}
+ */
private boolean match(Class c, String s, String nonTerminalName) {
if (match((tag)c.getAnnotation(tag.class), c, s)) return true;
- if (match((nonterminal)c.getAnnotation(nonterminal.class), c, nonTerminalName)) return true;
+ //if (match((nonterminal)c.getAnnotation(tag.class), c, nonTerminalName)) return true;
return false;
}
public boolean match(Constructor con, String s, String nonTerminalName) {
Class c = con.getDeclaringClass();
if (match((tag)con.getAnnotation(tag.class), null, s)) return true;
- if (match((nonterminal)con.getAnnotation(nonterminal.class), c, s)) return true;
+ //if (match((nonterminal)con.getAnnotation(tag.class), c, s)) return true;
return false;
}
public Object repeatTag() {
* that is arg-compatible. If value() is undefined, then the
* class/constructor/method name is used.
*/
+ /*
@Retention(RetentionPolicy.RUNTIME) public static @interface nonterminal { String value() default ""; }
+ */
@Retention(RetentionPolicy.RUNTIME) public static @interface raw { }
}
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(tag.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 &&
(t.value().equals("") && getName().equals(p.tag))))
return buildSequence(p)!=null;
- nonterminal n = getNonTerminal();
+ tag n = getTag();
if (n != null &&
(n.value().equals(p.nonTerminal) ||
(n.value().equals("") && getName().equals(p.nonTerminal))))
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) {
- return Reflection.impose(_class, fields);
- }
-
}
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 = Reflection.stringify(tgt);
- // FUGLY
- tgt = Reflection.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 = Reflection.stringify(tgt);
- // FUGLY
- tgt = Reflection.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 Union cached = null;
}
public static class NonTerminal extends Un {
public String name = null;
- public @nonterminal("NonTerminal") NonTerminal(@arg("Word") String name,
- @arg("RHS") Seq[][] sequences) {
+ public @tag("=") NonTerminal(@arg("Word") String name,
+ @arg("RHS") Seq[][] sequences) {
this.name = name;
this.sequences = sequences;
}
//public static @tag("(") El subexpression(Seq[][] rhs) { return new NonTerminal(rhs); }
- public static @nonterminal("Word") String word(String s) { return s; }
- public static @nonterminal("Quoted") String quoted(String s) { return s; }
- public static @nonterminal("escaped") String c(char c) { return c+""; }
+ public static @tag("Word") String word(String s) { return s; }
+ public static @tag("Quoted") String quoted(String s) { return s; }
+ public static @tag("escaped") String c(char c) { return c+""; }
public static @tag("\"\"") String emptystring() { return ""; }
public static @tag("\n") String retur() { return "\n"; }
public static @tag("\r") String lf() { return "\r"; }
projects / sbp.git / blobdiff