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 ? "," : ""));
+ for(int i=0; i<map.length; i++) sb.append((i+"")+(i<map.length-1 ? "," : ""));
sb.append("}, ");
_bindable.toJava(sb);
sb.append(", ");
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);
}
- public static Union cached = null;
public static Union make() { return make(MetaGrammarTree.meta, "s"); }
public static Union make(Tree t, String s) { return make(t, s, new AnnotationGrammarBindingResolver(MetaGrammarBindings.class)); }
public static Union make(Tree t, String s, GrammarBindingResolver rm) {
Tree.TreeFunctor<Object,Object> red = (Tree.TreeFunctor<Object,Object>)t.head();
- MetaGrammarBindings.Grammar g = (MetaGrammarBindings.Grammar)red.invoke(t.children());
- Context cx = new Context(g,rm);
- Union u = null;
- for(MetaGrammarBindings.NonTerminal nt : g.values()) {
- Union el = (Union)cx.get(nt.name);
- StringBuffer st = new StringBuffer();
- el.toString(st);
- if (nt.name.equals(s)) u = el;
- }
- return u;
+ MetaGrammarBindings.GrammarNode g = (MetaGrammarBindings.GrammarNode)red.invoke(t.children());
+ return g.build(s, rm);
}
-
-
- public static class Context {
- public HashMap<String,Union> map = new HashMap<String,Union>();
- public MetaGrammarBindings.Grammar grammar;
- public String cnt = null;
- public GrammarBindingResolver rm;
- public Context(MetaGrammarBindings.Grammar g, GrammarBindingResolver rm) {
- this.grammar = g;
- this.rm = rm;
- }
- public Union build() {
- Union ret = null;
- for(MetaGrammarBindings.NonTerminal nt : grammar.values()) {
- Union u = get(nt.name);
- if ("s".equals(nt.name))
- ret = u;
- }
- return ret;
- }
- public Context(Tree t, GrammarBindingResolver rm) {
- this.rm = rm;
- Tree.TreeFunctor<Object,Object> red = (Tree.TreeFunctor<Object,Object>)t.head();
- this.grammar = (MetaGrammarBindings.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);
- MetaGrammarBindings.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)); }
}