import edu.berkeley.sbp.util.*;
import edu.berkeley.sbp.*;
import edu.berkeley.sbp.chr.*;
+import edu.berkeley.sbp.bind.*;
import java.util.*;
+import java.lang.annotation.*;
+import java.lang.reflect.*;
import java.io.*;
-public class MetaGrammar extends StringWalker {
-
- public static Object repeatTag = null;
-
- /** an atom which tracks the possible tokenset of some element, provided that element can only match single-token sequences */
- public static class Infer<T extends Input> extends Atom<T> {
- private final Element e;
- public Infer(Element e) { this.e = e; }
- public Topology<T> top() { return (Topology<T>)toAtom(e); }
- public String toString() { return e.toString(); }
- }
-
- /** an atom which tracks the inverse of some other atom */
- public static class Invert<T extends Input> extends Atom<T> {
- private final Atom<T> a;
- public Invert(Atom<T> a) { this.a = a; }
- public Topology<T> top() { return a.complement(); }
- public String toString() { return "~"+a; }
- }
-
- public static class Hack<T extends Input> extends Atom<T> {
- private final Atom<T> a;
- static final Topology leftright = CharRange.rightBrace.union(CharRange.leftBrace);
- public Hack(Atom<T> a) { this.a = a; }
- public Topology<T> top() { return a.minus(leftright); }
- public String toString() { return a.toString(); }
- }
-
- public static Union make(Tree<String> tree, String nt) throws Exception {
- Meta.MetaGrammarFile mgf = new MetaGrammar.Meta.MetaGrammarFile(tree);
- BuildContext bc = new BuildContext(mgf);
- return mgf.get(nt).build(bc);
- }
- public static Union make() throws Exception {
- return make(meta, "s");
- }
- /*
- public String toString() {
- StringBuffer ret = new StringBuffer();
- for(Union u : nt.values()) u.toString(ret);
- return ret.toString();
- }
- */
- public /*private*/ static HashSet<Element> dropAll = new HashSet<Element>();
- public /*private*/ static HashMap<Element,String> carets = new HashMap<Element,String>();
-
- // Statics //////////////////////////////////////////////////////////////////////////////
-
- private static final Union SELF = new Union("()");
-
- ////////////////////////////////////////////////////////////////////////////////
-
- private static boolean strings;
-
- private static Element set(Range.Set r) { if (strings) throw new Error(); return CharRange.set(r); }
- private static Element string(String s) { return strings ? StringInput.string(s) : CharRange.string(s); }
- private static Atom leftBrace() { return strings ? StringInput.leftBrace : CharRange.leftBrace; }
- private static Atom rightBrace() { return strings ? StringInput.rightBrace : CharRange.rightBrace; }
-
- private MetaGrammar() { }
-
- public static String string(Iterable<Tree<String>> children) {
- String ret = "";
- for(Tree<String> t : children) ret += string(t);
- return ret;
- }
- public static String string(Tree<String> tree) {
- String ret = "";
- if (tree.head()!=null) ret += tree.head();
- ret += string(tree.children());
- return ret;
- }
-
- public static class BuildContext extends HashMap<String,Union> {
- private final Meta.MetaGrammarFile mgf;
- public BuildContext(Meta.MetaGrammarFile mgf) { this.mgf = mgf; }
- public Union build(String s) {
- Union ret = get(s);
- if (ret != null) return ret;
- return mgf.get(s).build(this);
- }
- }
-
- public static class Meta {
- public static class MetaGrammarFile extends HashMap<String,MetaNonterminal> {
- public MetaGrammarFile(Tree<String> tree) {
- if (!tree.head().equals("grammar")) throw new Error();
- for(Tree<String> nt : tree.child(0))
- add(new MetaNonterminal(nt));
- }
- private void add(MetaNonterminal mnt) {
- this.put(mnt.name, mnt);
- }
- public String toString() {
- String ret = "";
- for(MetaNonterminal mnt : this.values()) ret += mnt + "\n";
- return ret;
- }
- }
- public static class MetaNonterminal {
- public String name;
- public MetaUnion rhs;
- public MetaNonterminal(Tree<String> tree) {
- name = string(tree.child(0));
- rhs = rhs(tree.child(1));
- }
- public String toString() { return name + " = " + rhs; }
- public Union build(BuildContext bc) { return rhs.build(bc, name); }
- }
- public static MetaUnion rhs(Tree<String> t) {
- return t.numChildren()==1
- ? new MetaUnion(t.child(0), false)
- : new MetaUnion(t, true);
- }
- public static class MetaUnion implements MetaSequence {
- public boolean prioritized;
- public MetaSequence[] sequences;
- public Sequence buildSequence(BuildContext bc) {
- return Sequence.singleton(new Element[] { buildAnon(bc) }, 0);
- }
- public Union buildAnon(BuildContext bc) {
- String s = "";
- for(int i=0; i<sequences.length; i++)
- s += (i>0?"\n "+(prioritized?">":"|")+" ":"")+sequences[i].buildSequence(bc);
- return build(bc, s);
- }
- public Union build(BuildContext bc, String name) {
- Union u = bc.get(name);
- if (u != null) return u;
- u = new Union(name);
- bc.put(name, u);
- HashSet<Sequence> seqs = new HashSet<Sequence>();
- for(MetaSequence s : sequences) {
- Sequence seq = s.buildSequence(bc);
- if (seq != null) {
- Sequence oseq = seq;
- if (prioritized)
- for(Sequence seqprev : seqs)
- seq = seq.not(seqprev);
- u.add(seq);
- seqs.add(oseq);
- }
- }
- return u;
- }
- public MetaUnion(Tree<String> t, boolean prioritized) {
- //System.err.println("metaunion: " + t);
- this.prioritized = prioritized;
- int i = 0;
- this.sequences = new MetaSequence[t.numChildren()];
- for(Tree<String> tt : t)
- sequences[i++] = prioritized
- ? new MetaUnion(tt, false)
- : makeMetaSequence(tt);
- }
- public String toString() {
- String ret = "\n ";
- for(int i=0; i<sequences.length; i++) {
- ret += sequences[i];
- if (i<sequences.length-1)
- ret += (prioritized ? "\n > " : "\n | ");
- }
- return ret;
- }
- }
-
- public interface MetaSequence {
- public abstract Sequence buildSequence(BuildContext bc);
- }
-
- public static MetaSequence makeMetaSequence(Tree<String> t) {
- //System.err.println("MetaSequence("+t+")");
- if ("psx".equals(t.head())) return MetaConjunct.make(t.child(0));
- if (t.head().equals("&")) return new MetaAnd(makeMetaSequence(t.child(0)), MetaConjunct.make(t.child(1)), false);
- if (t.head().equals("&~")) return new MetaAnd(makeMetaSequence(t.child(0)), MetaConjunct.make(t.child(1)), true);
- return null;
- }
-
- public static class MetaAnd implements MetaSequence {
- boolean not;
- MetaSequence left;
- MetaSequence right;
- public Sequence buildSequence(BuildContext bc) {
- Sequence ret = left.buildSequence(bc);
- if (not) ret.not(right.buildSequence(bc)); else ret.and(right.buildSequence(bc));
- return ret;
- }
- public MetaAnd(MetaSequence left, MetaSequence right, boolean not) {
- this.left = left;
- this.right = right;
- this.not = not;
- }
- public String toString() { return left + " &"+(not?"~":"")+" " /* FIXME */; }
- }
-
- public static class MetaConjunct implements MetaSequence {
- public boolean negated = false;
- public MetaClause[] elements;
- public MetaClause followedBy = null;
- public String tag;
- public MetaClause separator;
- public Sequence buildSequence(BuildContext bc) {
- Element[] els = new Element[elements.length + (separator==null?0:(elements.length-1))];
- boolean[] drops = new boolean[elements.length + (separator==null?0:(elements.length-1))];
- boolean unwrap = false;
- boolean dropAll = false;
- if (tag!=null && tag.equals("[]")) unwrap = true;
- if (tag!=null && "()".equals(tag)) dropAll=true;
- for(int i=0; i<elements.length; i++) {
- int j = separator==null ? i : i*2;
- els[j] = elements[i].build(bc);
- drops[j] = elements[i].drop;
- if (separator!=null && i<elements.length-1) {
- els[j+1] = separator.build(bc);
- drops[j+1] = true;
- }
- }
- Sequence ret = null;
- if (dropAll) ret = Sequence.drop(els, false);
- else if (unwrap) ret = Sequence.unwrap(els, /*repeatTag FIXME*/null, drops);
- else if (tag!=null) ret = Sequence.rewritingSequence(tag, els, new Object[els.length], drops);
- else {
- int idx = -1;
- for(int i=0; i<els.length; i++)
- if (!drops[i])
- if (idx==-1) idx = i;
- else throw new Error("multiple non-dropped elements in sequence: " + Sequence.drop(els,false));
- if (idx != -1) ret = Sequence.singleton(els, idx);
- else ret = Sequence.drop(els, false);
- }
- if (this.followedBy != null) ret.follow = new Hack(new Infer(this.followedBy.build(bc)));
- return ret;
- }
- private MetaConjunct(Tree<String> t) {
- //System.err.println("MetaConjunct("+t+")");
- elements = new MetaClause[t.numChildren()];
- int i = 0; for(Tree<String> tt : t)
- elements[i++] = MetaClause.make(tt, this);
- }
- public String toString() {
- String ret = (tag==null ? "" : (tag+":: ")) + (negated ? "~" : "");
- if (elements.length > 1) ret += "(";
- for(MetaClause mc : elements) ret += (" " + mc + " ");
- if (separator != null) ret += " /" + separator;
- if (followedBy != null) ret += " -> " + followedBy;
- if (elements.length > 1) ret += ")";
- return ret;
- }
- public static MetaConjunct make(Tree<String> t) {
- //System.err.println("MetaConjunct.make("+t+")");
- if ("/".equals(t.head())) {
- MetaConjunct ret = make(t.child(0));
- ret.separator = MetaClause.make(t.child(1), ret);
- return ret;
- }
- if ("->".equals(t.head())) {
- MetaConjunct ret = make(t.child(0));
- ret.followedBy = MetaClause.make(t.child(1), ret);
- return ret;
- }
- if ("::".equals(t.head())) {
- MetaConjunct ret = make(t.child(1));
- ret.tag = string(t.child(0));
- return ret;
- }
- if ("ps".equals(t.head())) {
- return new MetaConjunct(t.child(0));
- }
- return new MetaConjunct(t);
- }
- }
-
- public static abstract class MetaClause {
- public String label = null;
- public boolean drop = false;
- public boolean lift = false;
- public abstract Element build(BuildContext bc);
- public static MetaClause make(Tree<String> t, MetaConjunct c) {
- //System.err.println("MetaClause.make("+t+")");
- if (t.head().equals("{")) throw new Error("metatree: " + t);
- if (t.head().equals("*")) return new MetaRepeat(make(t.child(0), c), false, null, true, true);
- if (t.head().equals("+")) return new MetaRepeat(make(t.child(0), c), false, null, false, true);
- if (t.head().equals("?")) return new MetaRepeat(make(t.child(0), c), false, null, true, false);
- if (t.head().equals("**")) return new MetaRepeat(make(t.child(0), c), true, null, true, true);
- if (t.head().equals("++")) return new MetaRepeat(make(t.child(0), c), true, null, false, true);
- if (t.head().equals("*/")) return new MetaRepeat(make(t.child(0), c), false, make(t.child(1), c), true, true);
- if (t.head().equals("+/")) return new MetaRepeat(make(t.child(0), c), false, make(t.child(1), c), false, true);
- if (t.head().equals("**/")) return new MetaRepeat(make(t.child(0), c), true, make(t.child(1), c), true, true);
- if (t.head().equals("++/")) return new MetaRepeat(make(t.child(0), c), true, make(t.child(1), c), false, true);
- if (t.head().equals("()")) return new MetaEpsilon();
- if (t.head().equals("[")) return new MetaRange(t.child(0));
- if (t.head().equals("literal")) return new MetaStringLiteral(t.child(0));
- if (t.head().equals("nonTerminal")) return new MetaNonterminalReference(t.child(0));
- if (t.head().equals(")")) return new MetaSelfReference();
- if (t.head().equals("(")) return new MetaParens(t.child(0));
- if (t.head().equals("~")) return new MetaInvert(t.child(0), c);
- if (t.head().equals("!")) { MetaClause mc = make(t.child(0), c); mc.drop = true; return mc; }
- if (t.head().equals("^")) { c.tag = string(t.child(0)); return new MetaStringLiteral(t.child(0)); }
- if (t.head().equals("^^")) throw new Error("carets: " + t);
- throw new Error("unknown: " + t);
- }
- public static class MetaRepeat extends MetaClause {
- public MetaClause element, separator;
- public boolean maximal, zero, many;
- public Element build(BuildContext bc) {
- return new Repeat(element.build(bc), zero, many, separator==null?null:separator.build(bc), maximal);
- }
- public MetaRepeat(MetaClause element, boolean maximal, MetaClause separator, boolean zero, boolean many) {
- this.separator = separator;
- this.element = element;
- this.maximal = maximal;
- this.zero = zero;
- this.many = many;
- }
- public String toString() {
- return element+
- ((zero&&!many)?"?":zero?"*":"+")+
- (!maximal?"":zero?"*":"+")+
- (separator==null?"":(" /"+separator));
- }
- }
- public static class MetaParens extends MetaClause {
- public MetaUnion body;
- public MetaParens(Tree<String> t) { this.body = rhs(t); }
- public String toString() { return "( " + body + " )"; }
- public Element build(BuildContext bc) { return body.buildAnon(bc); }
- }
- /*
- public static class MetaTree extends MetaClause {
- public MetaConjunct body;
- public MetaTree(Tree<String> t) { this.body = MetaConjunct.make(t); }
- public String toString() { return "{ " + body + " }"; }
- public Element build(BuildContext bc) {
- return new Union("{}");// body.buildSequence();
- }
- }
- */
- public static class MetaEpsilon extends MetaClause {
- public String toString() { return "()"; }
- public Element build(BuildContext bc) { return Union.epsilon; }
- }
- public static class MetaRange extends MetaClause {
- Range.Set range = new Range.Set();
- public String toString() { return range.toString(); }
- public Element build(BuildContext bc) { return set(range); }
- public MetaRange(Tree<String> t) {
- for(Tree<String> tt : t) {
- if (tt.head().equals("range")) {
- range.add(tt.child(0).head().charAt(0));
- } else if (tt.head().equals("-")) {
- range.add(new Range(string(tt.child(0)).charAt(0),
- string(tt.child(1)).charAt(0)));
- }
- }
- //set = set(ret);
- }
- }
- public static class MetaStringLiteral extends MetaClause {
- public String literal;
- public Element build(BuildContext bc) { return string(literal); }
- public MetaStringLiteral(Tree<String> literal) { this.literal = string(literal); this.drop = true; }
- public String toString() { return "\""+StringUtil.escapify(literal, "\"\r\n\\")+"\""; }
- }
- public static class MetaNonterminalReference extends MetaClause {
- public String name;
- public MetaNonterminalReference(Tree<String> name) { this.name = string(name); }
- public Element build(BuildContext bc) { return bc.build(name); }
- public String toString() { return name; }
- }
- public static class MetaSelfReference extends MetaClause {
- public String toString() { return "(*)"; }
- public Element build(BuildContext bc) { return new Union("(*)"); /* FIXME */ }
- }
- public static class MetaInvert extends MetaClause {
- public MetaClause element;
- public MetaInvert(Tree<String> t, MetaConjunct c) { this.element = make(t, c); }
- public String toString() { return "~"+element; }
- public Element build(BuildContext bc) { return new Hack(new Invert(new Infer(element.build(bc)))); }
- }
- }
-
- }
+public class MetaGrammar {
+
+ public static boolean harsh = true;
public static void main(String[] args) throws Exception {
if (args.length != 2) {
}
out.append("\n // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED\n");
- Tree<String> ts = new CharParser(MetaGrammar.make()).parse(new FileInputStream(args[0])).expand1();
+ /*
+ ReflectiveMeta m = new ReflectiveMeta();
+ Tree<String> res = new CharParser(MetaGrammar.make()).parse(new FileInputStream(args[0])).expand1();
+ MetaGrammar.Meta.MetaGrammarFile mgf = m.new MetaGrammarFile(res);
+ MetaGrammar.BuildContext bc = new MetaGrammar.BuildContext(mgf);
+
+ Union meta = mgf.get("s").build(bc);
+ Tree t = new CharParser(meta).parse(new FileInputStream(args[0])).expand1();
+ */
+ Tree t = MetaGrammarTree.meta;
+ Union u = MetaGrammar.make(t, "s");
+
+ System.err.println();
+ System.err.println("== parsing with parsed grammar =================================================================================");
+ t = new CharParser((Union)u).parse(new FileInputStream(args[0])).expand1();
+ System.out.println(t.toPrettyString());
//Forest<String> fs = new CharParser(make()).parse(new FileInputStream(args[0]));
//System.out.println(fs.expand1());
//gv.dump(fox);
//fox.close();
- ts.toJava(out);
+ t.toJava(out);
out.append("\n // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED\n");
for(String s = br.readLine(); s != null; s = br.readLine()) out.append(s+"\n");
os.close();
}
- public static final Tree meta =
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+ public static class ReflectiveMetaPlain extends ReflectiveMeta {
+ public Object repeatTag() { return null; }
+ public Sequence tryResolveTag(String tag, String nonTerminalName, Element[] els, Object[] labels, boolean[] drops) {
+ return null; }
+ public Sequence resolveTag(String tag, String nonTerminalName, Element[] els, Object[] labels, boolean[] drops) {
+ return Sequence.rewritingSequence(tag, els, labels, drops);
+ }
+ }
+ public static class ReflectiveMeta /*extends MetaGrammar.Meta*/ {
+ private final Class _cl;
+ private final Class[] _inner;
+ public ReflectiveMeta() {
+ this(MG.class);
+ }
+ public ReflectiveMeta(Class c) {
+ this._cl = c;
+ this._inner = c.getDeclaredClasses();
+ }
+ public ReflectiveMeta(Class c, Class[] inner) {
+ this._cl = c;
+ this._inner = inner;
+ }
+ public Object repeatTag() {
+ return new Tree.ArrayBuildingTreeFunctor<Object>();
+ }
+ public Sequence tryResolveTag(String tag, String nonTerminalName, Element[] els, Object[] labels, boolean[] drops) {
+ Production p = new Production(tag, nonTerminalName, els, labels, drops);
+ for(Method m : _cl.getMethods())
+ if (new Target(m).isCompatible(p))
+ return new Target(m).makeSequence(p);
+ for(Class c : _inner)
+ for(Constructor con : c.getConstructors())
+ if (new Target(con).isCompatible(p))
+ return new Target(con).makeSequence(p);
+ for(Class c : _inner)
+ if (new Target(c).isCompatible(p))
+ return new Target(c).makeSequence(p);
+ return null;
+ }
+ public Sequence resolveTag(String tag, String nonTerminalName, Element[] els, Object[] labels, boolean[] drops) {
+ Sequence ret = tryResolveTag(tag, nonTerminalName, els, labels, drops);
+ if (ret != null) return ret;
+ String message = "could not find a Java method/class/ctor matching tag \""+tag+
+ "\", nonterminal \""+nonTerminalName+"\" with " + els.length + " arguments";
+ if (harsh) {
+ throw new RuntimeException(message);
+ } else {
+ System.err.println(message);
+ return Sequence.rewritingSequence(tag, els, labels, drops);
+ }
+ }
+ }
+
+ public static class Production {
+ public String tag;
+ public String nonTerminal;
+ public Object[] labels;
+ public boolean[] drops;
+ public Element[] elements;
+ public int count = 0;
+ public Production(String tag, String nonTerminal, Element[] elements, Object[] labels, boolean[] drops) {
+ this.tag = tag;
+ this.elements = elements;
+ this.nonTerminal = nonTerminal;
+ this.labels = labels;
+ this.drops = drops;
+ for(int i=0; i<drops.length; i++)
+ if (!drops[i])
+ count++;
+ }
+ }
+ public static class Target {
+ public int[] buildSequence(Production p) {
+ Annotation[][] annotations = _bindable.getArgAnnotations();
+ String[] names = _bindable.getArgNames();
+ String name = _bindable.getSimpleName();
+ int len = annotations.length;
+ int ofs = 0;
+ bind.arg[] argtags = new bind.arg[len];
+ for(int i=0; i<names.length; i++)
+ for(Annotation a : annotations[i+ofs])
+ if (a instanceof bind.arg)
+ argtags[i+ofs] = (bind.arg)a;
+ return Target.this.buildSequence(p, names, argtags);
+ }
+ private Bindable _bindable;
+
+ public Target(Object o) { this(Bindable.create(o)); }
+ public Target(Bindable b) { this._bindable = b; }
+
+ 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 nonterminal getNonTerminal() { return (nonterminal)_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();
+ if (t != null &&
+ (t.value().equals(p.tag) ||
+ (t.value().equals("") && getName().equals(p.tag))))
+ return buildSequence(p)!=null;
+
+ bind b = getBind();
+ System.out.println(_bindable.getClass().getSimpleName() + ": " + _bindable.getSimpleName());
+ if (b != null && getName().equals(p.tag))
+ return buildSequence(p)!=null;
+
+ bind.as n = getBindAs();
+ if (n != null &&
+ (n.value().equals(p.nonTerminal) ||
+ (n.value().equals("") && getName().equals(p.nonTerminal))))
+ return buildSequence(p)!=null;
+
+ if (b != null && getName().equals(p.nonTerminal))
+ return buildSequence(p)!=null;
+
+ return false;
+ }
+ public int[] buildSequence(Production p, String[] names, bind.arg[] argtags) {
+ int argTagged = 0;
+ for(int i=0; i<argtags.length; i++)
+ if (argtags[i] != null)
+ argTagged++;
+ // FIXME: can be smarter here
+ if (names.length==p.count) {
+ int[] ret = new int[p.count];
+ for(int i=0; i<p.count; i++) ret[i] = i;
+ return ret;
+ } else if (argTagged==p.count) {
+ int[] ret = new int[argtags.length];
+ int j = 0;
+ for(int i=0; i<argtags.length; i++)
+ ret[i] = argtags[i]==null ? -1 : (j++);
+ return ret;
+ } else {
+ return null;
+ }
+ }
+ public Sequence makeSequence(Production p) {
+ return Sequence.rewritingSequence(new TargetReducer(buildSequence(p), _bindable, isRaw()),
+ p.elements, p.labels, p.drops);
+ }
+ }
+ public static class TargetReducer implements Tree.TreeFunctor<Object,Object>, ToJava {
+ private int[] map;
+ private Bindable _bindable;
+ private boolean _israw;
+
+ public void toJava(StringBuffer sb) {
+ sb.append("new MetaGrammar.TargetReducer(new int[] {");
+ for(int i=0; i<map.length; i++)
+ sb.append((i+"")+(i<map.length-1 ? "," : ""));
+ sb.append("}, ");
+ _bindable.toJava(sb);
+ sb.append(", ");
+ sb.append(_israw ? "true" : "false");
+ sb.append(")");
+ }
+
+ public TargetReducer(int[] map, Bindable b, boolean raw) {
+ this.map = map;
+ this._bindable = b;
+ this._israw = raw;
+ }
+ public String toString() { return "reducer-"+_bindable.toString(); }
+ public Object invoke(Iterable<Tree<Object>> t) {
+ if (_israw) return _bindable.impose(new 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);
+ }
+ }
+ System.err.println("input tree: " + t);
+ 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 _bindable.impose(o2);
+ }
+ }
+ public static Union cached = null;
+ public static Union make() {
+ /*
+ if (cached != null) return cached;
+ try {
+ ReflectiveMeta m = new ReflectiveMeta();
+ Tree<String> res = new CharParser(MetaGrammar.make()).parse(new FileInputStream("tests/meta.g")).expand1();
+ MetaGrammar.Meta.MetaGrammarFile mgf = m.new MetaGrammarFile(res);
+ MetaGrammar.BuildContext bc = new MetaGrammar.BuildContext(mgf);
+ Union meta = mgf.get("s").build(bc);
+ Tree t = new CharParser(meta).parse(new FileInputStream("tests/meta.g")).expand1();
+ return cached = make(t, "s");
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ */
+ return make(MetaGrammarTree.meta, "s");
+ }
+ public static Union make(Tree t, String s) { return make(t, s, new ReflectiveMeta()); }
+ public static Union make(Tree t, String s, ReflectiveMeta rm) {
+ System.out.println("Head: " + 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;
+ for(MG.NonTerminal nt : g.nonterminals) {
+ System.out.println(nt.name);
+ Union el = (Union)cx.get(nt.name);
+ StringBuffer st = new StringBuffer();
+ el.toString(st);
+ System.err.println(st);
+ if (nt.name.equals(s)) u = el;
+ }
+ return u;
+ }
+ public static class MG {
+ public static @bind class Grammar {
+ public NonTerminal get(String s) {
+ for(NonTerminal nt : nonterminals)
+ if (nt.name.equals(s))
+ return nt;
+ return null;
+ }
+ public @bind.arg NonTerminal[] nonterminals;
+ public String toString() {
+ String ret = "[ ";
+ for(NonTerminal nt : nonterminals) ret += nt + ", ";
+ return ret + " ]";
+ }
+ }
+ public abstract static class Un extends El {
+ public Seq[][] sequences;
+ public void build(Context cx, Union u) {
+ HashSet<Sequence> bad2 = new HashSet<Sequence>();
+ for(int i=0; i<sequences.length; i++) {
+ Seq[] group = sequences[i];
+ Union u2 = new Union();
+ if (sequences.length==1) u2 = u;
+ for(int j=0; j<group.length; j++) {
+ group[j].build(cx, u2, false);
+ }
+ if (sequences.length==1) break;
+ Sequence seq = Sequence.singleton(u2);
+ for(Sequence s : bad2) {
+ s.lame = true;
+ seq = seq.not(s);
+ }
+ u.add(seq);
+ bad2.add(Sequence.singleton(u2));
+ }
+ }
+ }
+ public static class NonTerminal extends Un {
+ public String name = null;
+ public @bind.as("NonTerminal") NonTerminal(@bind.arg("Word") String name,
+ @bind.arg("RHS") Seq[][] sequences) {
+ this.name = name;
+ this.sequences = sequences;
+ }
+ public Element build(Context cx) { return cx.get(name); }
+ }
+ public static class AnonUn extends Un {
+ public @bind.as("(") AnonUn(Seq[][] sequences) {
+ this.sequences = sequences;
+ }
+ public Element build(Context cx) {
+ Union ret = new Union();
+ build(cx, ret);
+ return ret;
+ }
+ }
+ //public static @bind.as void range(char c) { }
+ public static class Range {
+ public @bind.as("range") Range(char only) { first = only; last = only; }
+ public @bind.as("-") Range(char first, char last) { this.first = first; this.last = last; }
+ public char first;
+ public char last;
+ }
+ public static abstract class El {
+ public String getLabel() { return null; }
+ public String getOwnerTag() { return null; }
+ public boolean drop() { return false; }
+ public abstract Element build(Context cx);
+ }
+ public static class Drop extends El {
+ public El e;
+ public Drop(El e) { this.e = e; }
+ public String getLabel() { return null; }
+ public boolean drop() { return true; }
+ public String getOwnerTag() { return e.getOwnerTag(); }
+ public Element build(Context cx) { return e.build(cx); }
+ }
+ public static class Label extends El {
+ public String label;
+ public El e;
+ public Label(String label, El e) { this.e = e; this.label = label; }
+ public String getLabel() { return label; }
+ public String getOwnerTag() { return e.getOwnerTag(); }
+ public Element build(Context cx) { return e.build(cx); }
+ }
+ public static /*abstract*/ class Seq {
+ HashSet<Seq> and = new HashSet<Seq>();
+ HashSet<Seq> not = new HashSet<Seq>();
+ El[] elements;
+ El follow;
+ String tag = null;
+ boolean lame;
+ public Seq(El e) { this(new El[] { e }); }
+ public Seq(El[] elements) { this.elements = elements; }
+ public Seq tag(String tag) { this.tag = tag; return this; }
+ public Seq follow(El follow) { this.follow = follow; return this; }
+ public Seq dup() {
+ Seq ret = new Seq(elements);
+ ret.and.addAll(and);
+ ret.not.addAll(not);
+ ret.follow = follow;
+ ret.tag = tag;
+ return ret;
+ }
+ public Seq and(Seq s) { and.add(s); s.lame = true; return this; }
+ public Seq andnot(Seq s) { not.add(s); s.lame = true; return this; }
+ public Seq separate(El sep) {
+ El[] elements = new El[this.elements.length * 2 - 1];
+ for(int i=0; i<this.elements.length; i++) {
+ elements[i*2] = this.elements[i];
+ if (i<this.elements.length-1)
+ elements[i*2+1] = new Drop(sep);
+ }
+ this.elements = elements;
+ return this;
+ }
+ public Sequence build(Context cx, Union u, boolean lame) {
+ Sequence ret = build0(cx, lame || this.lame);
+ for(Seq s : and) { Sequence dork = s.build(cx, u, true); ret = ret.and(dork); }
+ for(Seq s : not) { Sequence dork = s.build(cx, u, true); ret = ret.not(dork); }
+ u.add(ret);
+ ret.lame = lame;
+ return ret;
+ }
+ public Sequence build0(Context cx, boolean lame) {
+ boolean unwrap = false;
+ boolean dropAll = lame;
+ if (tag!=null && tag.equals("[]")) unwrap = true;
+ if (tag!=null && "()".equals(tag)) dropAll = true;
+ Object[] labels = new Object[elements.length];
+ boolean[] drops = new boolean[elements.length];
+ Element[] els = new Element[elements.length];
+ for(int i=0; i<elements.length; i++) {
+ labels[i] = elements[i].getLabel();
+ drops[i] = elements[i].drop();
+ els[i] = elements[i].build(cx);
+ if (elements[i].getOwnerTag() != null)
+ tag = elements[i].getOwnerTag();
+ }
+ Sequence ret = null;
+ if (dropAll) ret = Sequence.drop(els, false);
+ else if (unwrap) ret = Sequence.unwrap(els, cx.rm.repeatTag(), drops);
+ else if (tag!=null) {
+ ret = cx.rm.resolveTag(tag, cx.cnt, els, labels, drops);
+ } else {
+ ret = cx.rm.tryResolveTag(tag, cx.cnt, els, labels, drops);
+ if (ret == null) {
+ int idx = -1;
+ for(int i=0; i<els.length; i++)
+ if (!drops[i])
+ if (idx==-1) idx = i;
+ else throw new Error("multiple non-dropped elements in sequence: " + Sequence.drop(els,false));
+ if (idx != -1) ret = Sequence.singleton(els, idx);
+ else ret = Sequence.drop(els, false);
+ }
+ }
+ if (this.follow != null)
+ ret.follow = infer(this.follow.build(cx));
+ ret.lame = this.lame;
+ return ret;
+ }
+ }
+ public static @bind.as("&") Seq and(Seq s, El[] elements) { return s.and(seq(elements)); }
+ public static @bind.as("&~") Seq andnot(Seq s, El[] elements) { return s.andnot(seq(elements)); }
+ public static @bind.as("->") Seq arrow(Seq s, El e) { return s.follow(e); }
+ public static @bind.as("::") Seq tag(String tagname, Seq s) { return s.tag(tagname); }
+ public static @bind.as("/") Seq slash(Seq s, El e) { return s.separate(e); }
+
+ public static @bind.as("ps") Seq seq(El[] elements) { return new Seq(elements); }
+ public static @bind.as Seq psx(Seq s) { return s; }
+ public static @bind.as(":") El colon(String s, El e) { return new Label(s, e); }
+ public static @bind.as(")") void close(String foo) { throw new Error("not supported"); }
+ public static @bind.as("()") El epsilon() { return new Constant(Union.epsilon); }
+
+ public static @bind.as("nonTerminal") class NonTerminalReference extends El {
+ public @bind.arg String nonTerminal;
+ public Element build(Context cx) {
+ return cx.get(nonTerminal);
+ }
+ }
+ public static class StringLiteral extends Constant {
+ public @bind.as("literal") StringLiteral(String string) { super(CharRange.string(string)); }
+ public boolean drop() { return true; }
+ }
+ public static class CharClass extends El {
+ Range[] ranges;
+ public @bind.as("[") CharClass(Range[] ranges) { this.ranges = ranges; }
+ public Element build(Context cx) {
+ edu.berkeley.sbp.util.Range.Set set = new edu.berkeley.sbp.util.Range.Set();
+ for(Range r : ranges)
+ set.add(r.first, r.last);
+ return CharRange.set(set);
+ }
+ }
+ public static @bind.as("{") class XTree extends El {
+ public @bind.arg Seq body;
+ public Element build(Context cx) {
+ throw new Error();
+ }
+ }
+ public static class Rep extends El {
+ public El e, sep;
+ public boolean zero, many, max;
+ public Rep(El e, El sep, boolean zero, boolean many, boolean max) {
+ this.e = e; this.sep = sep; this.zero = zero; this.many = many; this.max = max;}
+ public Element build(Context cx) {
+ return (!max)
+ ? Sequence.repeat(e.build(cx), zero, many, sep==null ? null : sep.build(cx), cx.rm.repeatTag())
+ : sep==null
+ ? Sequence.repeatMaximal(infer(e.build(cx)), zero, many, cx.rm.repeatTag())
+ : Sequence.repeatMaximal(e.build(cx), zero, many, infer(sep.build(cx)), cx.rm.repeatTag());
+ }
+ }
+ public static class Constant extends El {
+ Element constant;
+ public Constant(Element constant) { this.constant = constant; }
+ public Element build(Context cx) { return constant; }
+ }
+ public abstract static class PostProcess extends El {
+ El e;
+ public PostProcess(El e) { this.e = e; }
+ public Element build(Context cx) { return postProcess(e.build(cx)); }
+ public abstract Element postProcess(Element e);
+ }
+ // FIXME: it would be nice if we could hoist this into "Rep"
+ public static @bind.as("++") El plusmax(final El e) { return new Rep(e, null, false, true, true); }
+ public static @bind.as("+") El plus(final El e) { return new Rep(e, null, false, true, false); }
+ public static @bind.as("++/") El plusmaxfollow(final El e, final El sep) { return new Rep(e, sep, false, true, true); }
+ public static @bind.as("+/") El plusfollow(final El e, final El sep) { return new Rep(e, sep, false, true, false); }
+ public static @bind.as("**") El starmax(final El e) { return new Rep(e, null, true, true, true); }
+ public static @bind.as("*") El star(final El e) { return new Rep(e, null, true, true, false); }
+ public static @bind.as("**/") El starmaxfollow(final El e, final El sep) { return new Rep(e, sep, true, true, true); }
+ public static @bind.as("*/") El starfollow(final El e, final El sep) { return new Rep(e, sep, true, true, false); }
+ public static @bind.as("?") El question(final El e) { return new Rep(e, null, true, true, false); }
+
+ public static @bind.as("!") El bang(final El e) { return new Drop(e); }
+
+ public static @bind.as("^") El caret(final String s) {
+ return new Drop(new Constant(CharRange.string(s)) {
+ public String getOwnerTag() { return s; }
+ });
+ }
+ public static @bind.as("~") El tilde(final El e) {
+ return new PostProcess(e) {
+ public Element postProcess(Element e) {
+ return infer((Topology<Character>)Atom.toAtom(e).complement());
+ } }; }
+ public static @bind.as("^^") void doublecaret(final El e) { throw new Error("not implemented"); }
+ //public static @bind.as("(") El subexpression(Seq[][] rhs) { return new NonTerminal(rhs); }
+ public static @bind.as("Word") String word(String s) { return s; }
+ public static @bind.as("Quoted") String quoted(String s) { return s; }
+ public static @bind.as("escaped") String c(char c) { return c+""; }
+ public static @bind.as("\"\"") String emptystring() { return ""; }
+ public static @bind.as("\n") String retur() { return "\n"; }
+ public static @bind.as("\r") String lf() { return "\r"; }
+ }
+ public static class Context {
+ HashMap<String,Union> map = new HashMap<String,Union>();
+ private MG.Grammar grammar;
+ public String cnt = null;
+ private ReflectiveMeta rm;
+ public Context(MG.Grammar g, ReflectiveMeta rm) {
+ this.grammar = g;
+ this.rm = rm;
+ }
+ public Union build() {
+ Union ret = null;
+ for(MG.NonTerminal nt : grammar.nonterminals) {
+ Union u = get(nt.name);
+ if ("s".equals(nt.name))
+ ret = u;
+ }
+ return ret;
+ }
+ public Context(Tree t, ReflectiveMeta rm) {
+ this.rm = rm;
+ 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); }
+ public void put(String name, Union u) { map.put(name, u); }
+ public Union get(String name) {
+ Union ret = map.get(name);
+ if (ret != null) return ret;
+ ret = new Union(name);
+ map.put(name, ret);
+ MG.NonTerminal nt = grammar.get(name);
+ if (nt==null) {
+ System.err.println("*** warning could not find " + name);
+ } else {
+ String old = cnt;
+ cnt = name;
+ nt.build(this, ret);
+ cnt = old;
+ }
+ return ret;
+ }
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- // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
-new edu.berkeley.sbp.Tree(null, "grammar", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "G", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "+/", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "N", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "T", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "i", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "l", new edu.berkeley.sbp.Tree[] { })})}),
- new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
- new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "!", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})}),
- new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "g", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "G", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "m", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "a", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "r", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
- new edu.berkeley.sbp.Tree(null, "!", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
- new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "N", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "o", new edu.berkeley.sbp.Tree[] { }),
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- new edu.berkeley.sbp.Tree(null, "q", new edu.berkeley.sbp.Tree[] { }),
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- new edu.berkeley.sbp.Tree(null, "e", new edu.berkeley.sbp.Tree[] { }),
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- new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
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- new edu.berkeley.sbp.Tree(null, "n", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "t", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})}),
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- new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\\", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
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- new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { }),
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- new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, ")", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "**", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})})})})})}),
- new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "::", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, ")", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "**", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})}),
- new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "/", new edu.berkeley.sbp.Tree[] { })})}),
- new edu.berkeley.sbp.Tree(null, "*", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "(", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "~", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "[", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "range", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})})}),
- new edu.berkeley.sbp.Tree(null, "literal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "\n", new edu.berkeley.sbp.Tree[] { })})}),
- new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "s", new edu.berkeley.sbp.Tree[] { })})})})})})})})})}),
- new edu.berkeley.sbp.Tree(null, "=", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { }),
- new edu.berkeley.sbp.Tree(null, "p", new edu.berkeley.sbp.Tree[] { })}),
- new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "psx", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "ps", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "++", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "nonTerminal", new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, null, new edu.berkeley.sbp.Tree[] { new edu.berkeley.sbp.Tree(null, "w", new edu.berkeley.sbp.Tree[] { })})})})})})})})})})})})
- // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED
- ;
+ }
+ /*private*/ static Atom infer(Element e) { return infer((Topology<Character>)Atom.toAtom(e)); }
+ /*private*/ static Atom infer(Topology<Character> t) { return new CharRange(new CharTopology(t)); }
}
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projects / sbp.git / blobdiff