Make an actual connection

Author: AngledLuffa

src/edu/stanford/nlp/semgraph/semgrex/SemgrexParser.java

@@ -122,11 +122,13 @@ final public SemgrexPattern Root() throws ParseException {// Root pattern for th
       }
 for (String key : uniqKeys) {
           if (!knownVariables.contains(key)) {
-            {if (true) throw new SemgrexParseException("Semgrex pattern |" + startToken + "| asked for uniq of node " + key + " which does not exist in the pattern");}
+            {if (true) throw new SemgrexParseException("Semgrex pattern asked for uniq of node " + key + " which does not exist in the pattern");}
           }
         }
-        // TODO: do shit here
-
+        // TODO: can error check that the keys are unique between node and edge names
+        // that might require keeping edge names in a known set
+        // TODO: edge names might need some upgrades anyway - shouldn't name them under negation, for example
+        node = new UniqPattern(node, uniqKeys);
       break;
       }
     default:
@@ -535,7 +537,7 @@ final public SemgrexPattern Root() throws ParseException {// Root pattern for th
       }
     case 17:{
       jj_consume_token(17);
-startUnderNeg = underNodeNegation;
+startUnderNeg = underNodeNegation; // TODO: can negations be nested?  If so, should they cancel?
                     underNodeNegation = true;
       child = Child(r);
 underNodeNegation = startUnderNeg;