package edu.berkeley.sbp.misc;
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 ReflectiveWalker {
-
- public static Union make() throws Exception {
- return ((MetaGrammar)new MetaGrammar().walk(meta)).done();
- }
- public String toString() {
- StringBuffer ret = new StringBuffer();
- for(Union u : nt.values()) u.toString(ret);
- return ret.toString();
- }
+public class MetaGrammar {
+ public static boolean harsh = true;
- // FIXME
- private static HashSet<Union> dropAll = new HashSet<Union>();
+ public static void main(String[] args) throws Exception {
+ if (args.length != 2) {
+ System.err.println("usage: java " + MetaGrammar.class.getName() + " grammarfile.g com.yourdomain.package.ClassName");
+ System.exit(-1);
+ }
+ //StringBuffer sbs = new StringBuffer();
+ //((MetaGrammar)new MetaGrammar().walk(meta)).nt.get("e").toString(sbs);
+ //System.err.println(sbs);
+ String className = args[1].substring(args[1].lastIndexOf('.')+1);
+ String packageName = args[1].substring(0, args[1].lastIndexOf('.'));
+ String fileName = packageName.replace('.', '/') + "/" + className + ".java";
- // Statics //////////////////////////////////////////////////////////////////////////////
+ BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName)));
+ StringBuffer out = new StringBuffer();
- private static final Union SELF = new Union("()");
+ boolean skip = false;
+ for(String s = br.readLine(); s != null; s = br.readLine()) {
+ if (s.indexOf("DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED") != -1 && s.indexOf("\"")==-1) skip = true;
+ if (s.indexOf("DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED") != -1 && s.indexOf("\"")==-1) break;
+ if (!skip) out.append(s+"\n");
+ }
- public static Union epsilon = new Union("()");
- static { epsilon.add(Sequence.empty); }
+ out.append("\n // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED\n");
- // MetaGrammar //////////////////////////////////////////////////////////////////////////////
+ /*
+ 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());
+
+ //GraphViz gv = new GraphViz();
+ //fs.toGraphViz(gv);
+ //FileOutputStream fox = new FileOutputStream("out.dot");
+ //gv.dump(fox);
+ //fox.close();
+
+ t.toJava(out);
+ out.append("\n // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED\n");
- public Object walk(String tag, Object[] argo) {
- if ("dork".equals(tag)) return Reflection.lub(argo);
- return super.walk(tag, argo);
- }
- public PreSequence[] dork(PreSequence[] p) { return p; }
- public Object _star_(Element r) { return new Rep(r, null, false, true); }
- public Element _leftbracket_(Object o, Object[] args) { return rangex(o==null || !(o instanceof Character) ? null : o, args); }
- public Union _colon__colon__equals_(String s, PreSequence[][] p) { return nonTerminalZ(s, p); }
- public Union _bang__colon__colon__equals_(String s, PreSequence[][] p) {
- return nonTerminalZ(s, p, true); }
- public Union _colon__colon__equals_(boolean q, String s, PreSequence[][] p) {
- return nonTerminalZ(s, p, q);
+ for(String s = br.readLine(); s != null; s = br.readLine()) out.append(s+"\n");
+ br.close();
+
+ OutputStream os = new FileOutputStream(fileName);
+ PrintWriter p = new PrintWriter(new OutputStreamWriter(os));
+ p.println(out.toString());
+ p.flush();
+ os.close();
+ }
+
+ 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 Element _leftparen__rightparen_() { return epsilon; }
- public Element epsilon(Object o, Object b) { return epsilon; }
- public Element _rightparen_(Object e) { return SELF; }
+ }
- public PreSequence _amp_(PreSequence p, Object[] o) {
- p.needs.add(new PreSequence(o, null, true));
- return p;
+ public static class ReflectiveMeta /*extends MetaGrammar.Meta*/ {
+ private final Class _cl;
+ private final Class[] _inner;
+ public ReflectiveMeta() {
+ this(MG.class);
}
- public PreSequence _amp__tilde_(PreSequence p, Object[] o) {
- p.hates.add(new PreSequence(o, null, true));
- return p;
+ public ReflectiveMeta(Class c) {
+ this._cl = c;
+ this._inner = c.getDeclaredClasses();
}
-
- public Element _bang_(Element r) { return r; }
- public Object care(String s) { return new MyLift(s); }
- //public Element _backtick_(Element r) { return new Unwrap(r); }
- //public Element _hash_(Element e) { return e; }
- //public Element _hash_(Element e) { return _plus__plus_(e); }
-
- public PreSequence[] alternatives(PreSequence[] s) { return s; }
-
- public Range _minus_(Character a, Character b) { return b==null ? new Range(a.charValue(), true) : new Range(a.charValue(), b.charValue()); }
- public Union nonTerminalY(String s) { return nonTerminalX(s, false, false); }
- public Union nonTerminalX(String s, boolean synthetic, boolean dropAll) {
- Union n = s.equals(startSymbol) ? g : nt.get(s);
- if (n == null) nt.put(s, n = new Union(s, synthetic));
- if (dropAll) this.dropAll.add(n);
- return n;
- }
- public Object _leftparen_(PreSequence[][] p) { return nonTerminalZ(p); }
- public Union nonTerminalZ(PreSequence[][] p) { return nonTerminalX("anon"+(anon++), p, false, false); }
- public Union nonTerminalZ(String s, PreSequence[][] p) { return nonTerminalX(s, p, false, false); }
- public Union nonTerminalZ(String s, PreSequence[][] p, boolean q) { return nonTerminalX(s, p, false, q); }
- public Object _backslash__leftbrace_(String s) { return SELF; }
- public Object _leftbrace_(String s) { return SELF; }
- public Object _plus_(final Element r) { return new Rep(r, null, false, false); }
- public Object[] _slash_(Object[] o, Object sep) {
- if (o.length <= 1) return o;
- Object[] ret = new Object[o.length * 2 - 1];
- for(int i=0; i<o.length; i++) {
- Object oi = o[i];
- //if (oi instanceof Rep) oi = ((Rep)oi).build(new MyDrop(sep));
- ret[i*2] = oi;
- if (i*2+1<ret.length) ret[i*2+1] = new MyDrop(sep);
- }
- return ret;
- }
- //public Element _tilde__slash__tilde_(final Element r) { return Repeat.maximal(r); }
- public Object _plus__slash_(final Element r, Object s) {
- if (s instanceof String) s = CharToken.string((String)s);
- return new Rep(r, (Element)s, false, false);
- }
- public Object _dollar__dollar_(final Element r, Object s) {
- if (s instanceof String) s = CharToken.string((String)s);
- return new Rep(r, (Element)s, false, false);
- }
- public Object _star__slash_(final Element r, Object s) {
- if (s instanceof String) s = CharToken.string((String)s);
- return new Rep(r, (Element)s, false, true);
- }
- public Object _percent__percent_(final Element r, Object s) {
- if (s instanceof String) s = CharToken.string((String)s);
- return new Rep(r, (Element)s, false, true);
- }
- //public Element _star__slash_(final Element r, Element s) { return Repeat.many0(r, s); }
- public Object _star__star_(final Element r) { return new Rep(r, null, true, true); }
- public Object _plus__plus_(final Element r) { return new Rep(r, null, true, false); }
- public Element _question_(final Element r) { return Repeat.maybe(r); }
- public MetaGrammar gram(Object o, MetaGrammar g, Object o2) { return g; }
- public MetaGrammar grammar(Object[] o) { return this; }
- public MetaGrammar grammar(Object o, Union[] u, Object x) { return this; }
- public char _backslash_n() { return '\n'; }
- public char _backslash_r() { return '\r'; }
- public String literal(String s) { return s; }
- //public Element literal(String s) { return CharToken.string(s); }
-
- public Range range0(char a) { return new Range(a, a); }
- public Range range0(char a, char b) { return new Range(a, b); }
- public Range range1(char a, char b) { return new Range(a, b); }
- public Element rangex(Range[] rr) { return range("~", rr); }
- public Element range(Range[] rr) { return range(null, rr); }
- public Element range(Object o, Range[] rr) {
- Range.Set ret = !"~".equals(o+"") ? new Range.Set() : new Range.Set(new Range(true, true));
- if (rr != null)
- for(Range r : rr)
- if (!"~".equals(o+"")) ret.add(r);
- else ret.remove(r);
- return CharToken.set(ret);
- }
- public Element rangex(Object o, Object[] r) {
- Range.Set ret = o==null ? new Range.Set() : new Range.Set(new Range(true, true));
- if (r != null)
- for(Object aa : r) {
- Range range =
- aa instanceof Range
- ? (Range)aa
- : aa instanceof Character
- ? new Range(((Character)aa).charValue())
- : new Range(((String)aa).charAt(0));
- if (o==null) ret.add(range);
- else ret.remove(range);
- }
- return CharToken.set(ret);
- }
-
- public String sify(Object arg) {
- if (arg==null) return "";
- if (arg instanceof String) return (String)arg;
- Object[] args = (Object[])arg;
- while(true) {
- args = Reflection.lub(args);
- if (args instanceof String[]) {
- StringBuffer ret = new StringBuffer();
- for(String s : ((String[])args)) ret.append(s);
- return ret.toString();
- }
- if (args instanceof Character[]) break;
- if (!(args instanceof Object[])) break;
- args = (Object[])args[0];
- }
- if (args instanceof Character[]) {
- char[] c = new char[args.length];
- for(int i=0; i<c.length; i++) c[i] = ((Character)args[i]).charValue();
- String s = new String(c, 0, c.length);
- return s;
+ 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);
}
- return (String)args[0];
}
+ }
+
+ 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;
+ }
- private Union g;
- private HashMap<String,Union> nt;
- private int anon = 0;
- private Element dws;
- private String startSymbol;
+ 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++;
- public MetaGrammar() { this("s"); }
- public MetaGrammar(String s) { done(s); }
- public Union done() { return done("s"); }
- public Union done(String str) {
- Union ret = g;
- g = new Union(str);
- startSymbol = str;
- nt = new HashMap<String,Union>();
- nt.put(str, g);
- this.dws = Repeat.maximal(Repeat.many0(nonTerminalY("w")));
- return ret;
+ // 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 Union nonTerminalX(String str, PreSequence[][] s, boolean synthetic, boolean dropAll) {
- Union n = nonTerminalX(str, synthetic, dropAll);
- if (s == null || s.length==0) { n.add(Sequence.empty); return n; }
- HashSet<Sequence> seqs = new HashSet<Sequence>();
- for(int i=0; i<s.length; i++) {
- if (s[i]==null) continue;
- HashSet<Sequence> temp = new HashSet<Sequence>();
- for(PreSequence pre : s[i]) {
- pre.hatess.addAll(seqs);
- Sequence seq = pre.buildSequence(null, n, false, dropAll);
- temp.add(seq);
- //for(Sequence dom : seqs) seq.hates.add(dom);
- n.add(seq);
+ }
+
+ 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);
}
- seqs.addAll(temp);
}
- return n;
+ 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 String stringify(String s) { return StringUtil.unescapify(s); }
- public char unescape(char x, char c) { return unescape(c); }
- public char unescape(char c) { return StringUtil.unescapify("\\"+c).charAt(0); }
- public PreSequence sequence(Object[] o) { return new PreSequence(o, null); }
- public static class PreBrace {
- public final Object[] o;
- public PreBrace(Object[] o) { this.o = o; }
+ 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 PreSequence _equals__greater_(Object[] o, String s) { return new PreSequence(o, s); }
- public PreSequence wrap(Object[] o) { return new PreSequence(o, ""); }
- public PreSequence mwrap(Object[] o) { return new PreSequence(o, ""); }
- public PreSequence rewrite(Object[] o) { return new PreSequence(o, null); }
- public PreSequence rewrite(Object[] o, Object o2) {
- Object[] o3 = new Object[o.length + 1];
- System.arraycopy(o, 0, o3, 0, o.length);
- o3[o3.length-1] = o2;
- return rewrite(o3);
+
+ 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 static class Rep {
- private final Element e;
- private final Element s;
- private final boolean maximal;
- private final boolean zero;
- public Rep(Element e, Element s, boolean maximal, boolean zero) { this.e = e; this.s = s; this.zero = zero; this.maximal = maximal;}
- public Element build(Element ws) {
- Element sep = null;
- if (ws==null) sep = s;
- else if (s==null) sep = ws;
- else {
- Union ws2 = new Union(e + "/" + s + "/" + ws, true);
- ws2.add(Sequence.singleton(new Element[] { ws, s, ws }, 0, null, null));
- sep = ws2;
+ 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));
+ }
}
- Element ret = zero ? Repeat.many0(e, sep) : Repeat.many1(e, sep);
- return maximal ? Repeat.maximal(ret) : ret;
}
- }
+ 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 PreSequence {
- public final HashSet<PreSequence> needs = new HashSet<PreSequence>();
- public final HashSet<PreSequence> hates = new HashSet<PreSequence>();
- public final HashSet<Sequence> hatess = new HashSet<Sequence>();
- public /*final*/ String tag;
- public final Object[] o;
- public final boolean keeper;
-
- public PreSequence(Object[] o, String tag) { this(o, tag, false); }
- public PreSequence(Object[] o, String tag, boolean keeper) { this.o = o; this.tag = tag; this.keeper = keeper; }
- boolean[] drops = null;
- public Element[] expand(Element ws, Union u, HashSet<Sequence> set) {
- if (o==null) return new Element[0];
- Element[] o2 = new Element[o.length];
- drops = new boolean[o.length];
- int j = 0;
- for(int i=0; i<o.length; i++) {
- Object oi = o[i];
- if (oi instanceof MyDrop) { oi = ((MyDrop)oi).o; drops[j] = true; }
- if (oi instanceof PreSequence) o2[j] = ((PreSequence)oi).buildUnion(ws);
- else if (oi==SELF) o2[j] = u.new Subset("(("+u+"))", set);
- else if (oi instanceof MyLift) { o2[j] = CharToken.string(tag = ((MyLift)oi).s); drops[j] = true; }
- else if (oi instanceof String) { o2[j] = CharToken.string( ((String)oi) ); drops[j] = true; }
- else if (oi instanceof Rep) o2[j] = ((Rep)oi).build(ws);
- //else if (oi instanceof PreBrace) o2[j]
- else o2[j] = (Element)oi;
-
- if (dropAll.contains(o2[j])) drops[j] = true;
-
- o2[j] = o2[j];
- j++;
- }
- if (ws == null || o2.length <= 1) return o2;
- Element[] ret = new Element[o2.length*2-1];
- boolean[] drops2 = new boolean[ret.length];
- for(int i=0; i<o2.length; i++) {
- if (i>0) { ret[i*2-1] = ws; drops2[i*2-1] = true; }
- ret[i*2] = o2[i];
- drops2[i*2] = drops[i];
- }
- drops = drops2;
+ 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 Union buildUnion(Element ws) {
- Union u = new Union("???");
- u.add(buildSequence(ws, u));
- return u;
+ }
+
+ //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 Sequence buildSequence(Element ws, Union u) { return buildSequence(ws, u, false, false); }
- public Sequence buildSequence(Element ws, Union u, boolean lame, boolean dropAll) {
-
- HashSet<Sequence> and = new HashSet<Sequence>();
- HashSet<Sequence> not = new HashSet<Sequence>();
- for(PreSequence p : needs) {
- Sequence ps = p.buildSequence(ws, u, true, dropAll);
- u.add(ps);
- and.add(ps);
- }
- for(Sequence p : hatess) not.add(p);
- for(PreSequence p : hates) {
- Sequence ps = p.buildSequence(ws, u, true, dropAll);
- u.add(ps);
- not.add(ps);
+ 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);
}
-
- HashSet<Sequence> set = new HashSet<Sequence>();
- Element[] expansion = expand(ws, u, set);
- boolean keeper = this.keeper;
- Sequence ret = dropAll || lame || keeper ? Sequence.drop(expansion, and, not, lame) : null;
- if (ret==null && tag!=null) {
- for(int i=0; i<expansion.length; i++) expansion[i] = expansion[i];
- ret = Sequence.rewritingSequence(tag, expansion, drops, and, not);
+ 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();
}
- if (ret==null) {
- int idx = -1;
- for(int i=0; i<expansion.length; i++) {
- if (!drops[i]) idx = i;
- else expansion[i] = expansion[i];
+ 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);
}
- ret = idx==-1 ? Sequence.drop(expansion, and, not, false) : Sequence.singleton(expansion, idx, and, not);
}
- set.add(ret);
+ if (this.follow != null)
+ ret.follow = infer(this.follow.build(cx));
+ ret.lame = this.lame;
return ret;
}
}
-
- public static void main(String[] args) throws Exception {
- if (args.length != 2) {
- System.err.println("usage: java " + MetaGrammar.class.getName() + " grammarfile.g com.yourdomain.package.ClassName");
- System.exit(-1);
+ 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);
+ }
}
- String className = args[1].substring(args[1].lastIndexOf('.')+1);
- String packageName = args[1].substring(0, args[1].lastIndexOf('.'));
- String fileName = packageName.replace('.', '/') + "/" + className + ".java";
-
- BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(fileName)));
- StringBuffer out = new StringBuffer();
-
- boolean skip = false;
- for(String s = br.readLine(); s != null; s = br.readLine()) {
- if (s.indexOf("DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED") != -1 && s.indexOf("\"")==-1) skip = true;
- if (s.indexOf("DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED") != -1 && s.indexOf("\"")==-1) break;
- if (!skip) out.append(s+"\n");
+ public static class StringLiteral extends Constant {
+ public @bind.as("literal") StringLiteral(String string) { super(CharRange.string(string)); }
+ public boolean drop() { return true; }
}
- out.append("\n // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED\n");
- new Parser(MetaGrammar.make(), CharToken.top()).parse1(new CharToken.Stream(new InputStreamReader(new FileInputStream(args[0])))).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");
- br.close();
-
- OutputStream os = new FileOutputStream(fileName);
- PrintWriter p = new PrintWriter(new OutputStreamWriter(os));
- p.println(out.toString());
- p.flush();
- os.close();
- }
-
- public static class MyLift {
- public final String s;
- public MyLift(String s) { this.s = s; }
- }
- public static class MyDrop {
- public final Object o;
- public MyDrop(Object o) { this.o = o; }
- }
-
- public static final Tree meta =
-
-
-
-
-
-
-
-
-
-
-
- // DO NOT EDIT STUFF BELOW: IT IS AUTOMATICALLY GENERATED
-new Tree(null, "gram", new Tree[] { new Tree(null, null, new Tree[] { }),
- new Tree(null, "grammar", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "m", new Tree[] { }),
- new Tree(null, "m", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "r", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "m", new Tree[] { })})})})})})})}),
- new Tree(null, "!::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "**", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})})})})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "m", new Tree[] { }),
- new Tree(null, "m", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "r", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$$", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "g", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "m", new Tree[] { }),
- new Tree(null, "m", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "r", new Tree[] { })})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ":", new Tree[] { }),
- new Tree(null, ":", new Tree[] { }),
- new Tree(null, "=", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "v", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { }),
- new Tree(null, ":", new Tree[] { }),
- new Tree(null, ":", new Tree[] { }),
- new Tree(null, "=", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "v", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "v", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$$", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
- new Tree(null, "q", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "A", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { })})})}),
- new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ">", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})})})})})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
- new Tree(null, "q", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "A", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$$", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "j", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "c", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "|", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})})})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "v", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "q", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "c", new Tree[] { }),
- new Tree(null, "e", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})}),
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- new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "[", new Tree[] { }),
- new Tree(null, "~", new Tree[] { })})})}),
- new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "g", new Tree[] { }),
- new Tree(null, "e", new Tree[] { })})})})})})})})})})}),
- new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "]", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "g", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "x", new Tree[] { })})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "%", new Tree[] { }),
- new Tree(null, "%", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "$", new Tree[] { }),
- new Tree(null, "$", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "?", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "~", new Tree[] { }),
- new Tree(null, "/", new Tree[] { }),
- new Tree(null, "~", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "!", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "=>", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "^", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "c", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "`", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "#", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})}),
- new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "l", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "l", new Tree[] { })})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { }),
- new Tree(null, "*", new Tree[] { })})})})})})})}),
- new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { })})})})})})})})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { }),
- new Tree(null, "+", new Tree[] { })})})})})})})}),
- new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "+", new Tree[] { })})})})})})})})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})})}),
- new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})}),
- new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, "/", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "care", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "(", new Tree[] { })})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "l", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "n", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "v", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})}),
- new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, ")", new Tree[] { })})})})}),
- new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "s", new Tree[] { })})})})})})})})})}),
- new Tree(null, "!::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, " ", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "/", new Tree[] { }),
- new Tree(null, "/", new Tree[] { })})})}),
- new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "~", new Tree[] { }),
- new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})})})})})})}),
- new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})})})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "n", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, null, new Tree[] { }),
- new Tree(null, null, new Tree[] { new Tree(null, "-", new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "z", new Tree[] { })}),
- new Tree(null, "-", new Tree[] { new Tree(null, "A", new Tree[] { }),
- new Tree(null, "Z", new Tree[] { })}),
- new Tree(null, "-", new Tree[] { new Tree(null, "0", new Tree[] { }),
- new Tree(null, "9", new Tree[] { })}),
- new Tree(null, "range0", new Tree[] { new Tree(null, "_", new Tree[] { })})})})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "w", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "r", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "++", new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "a", new Tree[] { }),
- new Tree(null, "n", new Tree[] { })})})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "f", new Tree[] { }),
- new Tree(null, "y", new Tree[] { })})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "q", new Tree[] { }),
- new Tree(null, "u", new Tree[] { }),
- new Tree(null, "o", new Tree[] { }),
- new Tree(null, "t", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { })})})}),
- new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "*", new Tree[] { new Tree(null, "(", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "range", new Tree[] { new Tree(null, "~", new Tree[] { }),
- new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "\"", new Tree[] { })}),
- new Tree(null, "range0", new Tree[] { new Tree(null, "\\", new Tree[] { })})})})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "nonTerminalY", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { }),
- new Tree(null, "c", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "p", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})})})})})})})})})})})})})})})}),
- new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\"", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "s", new Tree[] { }),
- new Tree(null, "i", new Tree[] { }),
- new Tree(null, "f", new Tree[] { }),
- new Tree(null, "y", new Tree[] { })})})})})})})}),
- new Tree(null, "::=", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "e", new Tree[] { }),
- new Tree(null, "s", new Tree[] { }),
- new Tree(null, "c", new Tree[] { }),
- new Tree(null, "a", new Tree[] { }),
- new Tree(null, "p", new Tree[] { }),
- new Tree(null, "e", new Tree[] { }),
- new Tree(null, "d", new Tree[] { })})}),
- new Tree(null, null, new Tree[] { new Tree(null, "alternatives", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
- new Tree(null, "n", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\n", new Tree[] { })})})}),
- new Tree(null, "=>", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { }),
- new Tree(null, "r", new Tree[] { })})})})}),
- new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\r", new Tree[] { })})})}),
- new Tree(null, "rewrite", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "literal", new Tree[] { new Tree(null, "sify", new Tree[] { new Tree(null, null, new Tree[] { new Tree(null, "\\", new Tree[] { })})})}),
- new Tree(null, "range", new Tree[] { new Tree(null, "~", new Tree[] { }),
- new Tree(null, null, new Tree[] { new Tree(null, "range0", new Tree[] { new Tree(null, "n", new Tree[] { })}),
- new Tree(null, "range0", new Tree[] { new Tree(null, "r", new Tree[] { })})})})})})})})})})})}),
- new Tree(null, null, new Tree[] { })})
- // DO NOT EDIT STUFF ABOVE: IT IS AUTOMATICALLY GENERATED
- ;
-}
-
-
-
-
+ 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;
+ }
+ }
+ /*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)); }
+}
projects / sbp.git / blobdiff