[pagoda] Move project to Scala

This commit includes a few changes:
- The repository still uses Maven to manage dependency but it is now a
  Scala project.
- The code has been ported from OWLAPI 3.4.10 to 5.1.20
- A proof of concept program using both RSAComb and PAGOdA has been
  added.

1 files changed, 0 insertions, 140 deletions

diff --git a/src/org/semanticweb/karma2/model/cqparser/ConjunctiveQuery.g b/src/org/semanticweb/karma2/model/cqparser/ConjunctiveQuery.g
deleted file mode 100644
index 621b0ce..0000000
--- a/src/org/semanticweb/karma2/model/cqparser/ConjunctiveQuery.g
+++ /dev/null
@@ -1,140 +0,0 @@
-grammar ConjunctiveQuery;
-
-options {
-  language = Java;
-  output = AST;
-}
-
-tokens {
-  VARIABLE; 
-  CONSTANT;
-  SCONSTANT;
-  ATOM;
-  HEADATOM;
-  PREDICATE;
-  ATOM_LIST;
-  TERM_LIST;
-  RULE;
-  EXPRESSION;
-  PREFIX_LIST;
-  ID;
-  PREFIX;
-  PREDICATE;
-}
-
-@header {
-package org.semanticweb.karma2.model.cqparser;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.InputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.util.Set;
-
-import org.semanticweb.karma2.model.ConjunctiveQuery;
-
-
-import org.semanticweb.karma2.model.cqparser.ConjunctiveQueryWalker;
-import org.semanticweb.karma2.exception.IllegalInputQueryException;
-
-
-
-}
-
-@members{
-
-
-      
-      public ConjunctiveQueryParser(String string)
-        throws FileNotFoundException, IOException {
-        this(new CommonTokenStream(new ConjunctiveQueryLexer(new ANTLRStringStream(string))));
-      }
-  
-      public ConjunctiveQueryParser(InputStream istream) throws FileNotFoundException, IOException {
-        this(new CommonTokenStream(new ConjunctiveQueryLexer(new ANTLRInputStream(istream))));
-
-      }
-  
-  
-      public ConjunctiveQueryParser(File file) throws FileNotFoundException, IOException {
-        this(new CommonTokenStream(new ConjunctiveQueryLexer(new ANTLRInputStream(new FileInputStream(file)))));
-
-      }
-
-      public ConjunctiveQuery parse() throws IllegalInputQueryException {
-        cq_return r = null;
-        try {
-          r = cq();
-        } catch (RecognitionException e) {
-          e.printStackTrace();
-        }
-        CommonTree t = (CommonTree) r.getTree();
-
-        //System.out.println(t.toStringTree());
-        CommonTreeNodeStream nodes = new CommonTreeNodeStream(t);
-        // AST nodes have payloads that point into token stream
-        nodes.setTokenStream(input);
-
-
-        ConjunctiveQueryWalker walker = new ConjunctiveQueryWalker();
-
-        ConjunctiveQuery cq = walker.walkExpressionNode(t);
-        return cq;
-      }
-      
-      public ConjunctiveQuery parseCQ() throws IllegalInputQueryException {
-        return parse();
-      }
-      
-}
-
-
-@lexer::header{
-package org.semanticweb.karma2.model.cqparser;
-}
-
-cq : 
-  prefixlist rulebody -> ^(EXPRESSION prefixlist rulebody );
-
-prefixlist:
-  prefix (',' prefix)* -> ^(PREFIX_LIST prefix*);
-  
-prefix:
-  'prefix' id ':' '<' url '>' -> ^(PREFIX id url);
-  
-
-rulebody:
-  headatom ('<-'|':') body '.'?  -> ^(RULE headatom body);
- 
-body:
-  atom (',' atom)* -> ^(ATOM_LIST atom*);
-   
-  
-headatom:
-  id '(' term (',' term)* ')' -> ^(HEADATOM term*);
-  
-atom:
-  compositeid '(' term (',' term)* ')' -> ^(ATOM compositeid term*);
-
-compositeid:
- (id) ':' (id) -> ^(ID id id);
-
-  
-term:
-  variable -> ^(VARIABLE variable) 
-  | simpleid -> ^(SCONSTANT simpleid)
-  | compositeid -> ^(CONSTANT compositeid);
-
-id : (STRING);
-simpleid : '<' URLSTRING '>' | '<' STRING '>';
-
-// TODO: FIXIT X1 can be parsed as variable
-variable:
-  ('?') id -> ^(id);
-  
- url : (URLSTRING);
-
-URLSTRING : ('http://'|'file:/') ('a'..'z'|'A'..'Z'|'0'..'9'|'/'|'#'|'.'|'-'|'~'|'_')+; 
-STRING  :   ('a'..'z'|'A'..'Z'|'0'..'9'|'/'|'#'|'.'|'-'|'_')+;
-WS  : (' '|'\n'|'\r')+ {$channel=HIDDEN;} ;