/* Generated By:JJTree&JavaCC: Do not edit this line. DOTParser.java */ package org.apache.pig.test.utils.dotGraph.parser ; import java.util.*; import java.io.*; import org.apache.pig.test.utils.dotGraph.* ; public class DOTParser/*@bgen(jjtree)*/implements DOTParserTreeConstants, DOTParserConstants {/*@bgen(jjtree)*/ protected JJTDOTParserState jjtree = new JJTDOTParserState(); static String unquote(String s) { return s.substring(1, s.length()-1); } static class DotState { public Map<String,String> nodeAttributes = new HashMap<String,String>() ; public Map<String,String> edgeAttributes = new HashMap<String,String>() ; } final public DotGraph Parse() throws ParseException { /*@bgen(jjtree) Parse */ SimpleNode jjtn000 = new SimpleNode(JJTPARSE); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);DotGraph dotGraph = null ; DotState dotState = new DotState() ; Token graphName ; try { jj_consume_token(DIGRAPH); graphName = jj_consume_token(NAME); dotGraph = new DotGraph(graphName.image) ; jj_consume_token(LPAREN); label_1: while (true) { if (jj_2_1(2)) { EdgeStatement(dotGraph, dotState); } else { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case NAME: NodeStatement(dotGraph, dotState); break; case EDGE: case NODE: case GRAPH: AttributeStatement(dotGraph, dotState); break; default: jj_la1[0] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case EDGE: case NODE: case GRAPH: case NAME: ; break; default: jj_la1[1] = jj_gen; break label_1; } } jj_consume_token(RPAREN); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; {if (true) return dotGraph ;} } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } throw new Error("Missing return statement in function"); } final public void AttributeStatement(DotGraph dotGraph, DotState dotState) throws ParseException { /*@bgen(jjtree) AttributeStatement */ SimpleNode jjtn000 = new SimpleNode(JJTATTRIBUTESTATEMENT); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Map<String,String> attributes ; try { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case EDGE: jj_consume_token(EDGE); attributes = AttributeList(); dotState.edgeAttributes = attributes ; break; case NODE: jj_consume_token(NODE); attributes = AttributeList(); dotState.nodeAttributes = attributes ; break; case GRAPH: jj_consume_token(GRAPH); attributes = AttributeList(); dotGraph.attributes = attributes ; break; default: jj_la1[2] = jj_gen; jj_consume_token(-1); throw new ParseException(); } jj_consume_token(SEMICOLON); } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } final public void NodeStatement(DotGraph dotGraph, DotState dotState) throws ParseException { /*@bgen(jjtree) NodeStatement */ SimpleNode jjtn000 = new SimpleNode(JJTNODESTATEMENT); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token nodeName ; DotNode node = new DotNode() ; Map<String,String> attributes ; try { nodeName = jj_consume_token(NAME); node.name = nodeName.image ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LSQBRACKET: attributes = AttributeList(); node.attributes = new HashMap<String,String>() ; if (dotState != null) { node.attributes.putAll(dotState.nodeAttributes) ; } node.attributes.putAll(attributes) ; break; default: jj_la1[3] = jj_gen; ; } jj_consume_token(SEMICOLON); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; dotGraph.nodes.add(node) ; } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } final public void EdgeStatement(DotGraph dotGraph, DotState dotState) throws ParseException { /*@bgen(jjtree) EdgeStatement */ SimpleNode jjtn000 = new SimpleNode(JJTEDGESTATEMENT); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token nodeName1 ; Token nodeName2 ; String startingNode ; DotNode node = new DotNode() ; Map<String,String> attributes ; try { nodeName1 = jj_consume_token(NAME); startingNode = nodeName1.image ; label_2: while (true) { jj_consume_token(DIRECTED_EDGE); nodeName2 = jj_consume_token(NAME); DotEdge edge = new DotEdge() ; edge.fromNode = startingNode ; edge.toNode = nodeName2.image ; dotGraph.edges.add(edge) ; startingNode = nodeName2.image ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case DIRECTED_EDGE: ; break; default: jj_la1[4] = jj_gen; break label_2; } } jj_consume_token(SEMICOLON); } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } } final public Map<String,String> AttributeList() throws ParseException { /*@bgen(jjtree) AttributeList */ SimpleNode jjtn000 = new SimpleNode(JJTATTRIBUTELIST); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Map<String,String> attributes = new HashMap<String,String>() ; String[] keyValuePair ; try { jj_consume_token(LSQBRACKET); keyValuePair = Attribute(); attributes.put(keyValuePair[0], keyValuePair[1]) ; label_3: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case COMMA: ; break; default: jj_la1[5] = jj_gen; break label_3; } jj_consume_token(COMMA); keyValuePair = Attribute(); attributes.put(keyValuePair[0], keyValuePair[1]) ; } jj_consume_token(RSQBRACKET); jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; {if (true) return attributes ;} } catch (Throwable jjte000) { if (jjtc000) { jjtree.clearNodeScope(jjtn000); jjtc000 = false; } else { jjtree.popNode(); } if (jjte000 instanceof RuntimeException) { {if (true) throw (RuntimeException)jjte000;} } if (jjte000 instanceof ParseException) { {if (true) throw (ParseException)jjte000;} } {if (true) throw (Error)jjte000;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } throw new Error("Missing return statement in function"); } final public String[] Attribute() throws ParseException { /*@bgen(jjtree) Attribute */ SimpleNode jjtn000 = new SimpleNode(JJTATTRIBUTE); boolean jjtc000 = true; jjtree.openNodeScope(jjtn000);Token attName ; Token value ; String[] keyValuePair = new String[2] ; try { attName = jj_consume_token(NAME); keyValuePair[0] = attName.image ; jj_consume_token(EQUAL); value = jj_consume_token(QUOTEDSTRING); keyValuePair[1] = unquote(value.image) ; jjtree.closeNodeScope(jjtn000, true); jjtc000 = false; {if (true) return keyValuePair ;} } finally { if (jjtc000) { jjtree.closeNodeScope(jjtn000, true); } } throw new Error("Missing return statement in function"); } private boolean jj_2_1(int xla) { jj_la = xla; jj_lastpos = jj_scanpos = token; try { return !jj_3_1(); } catch(LookaheadSuccess ls) { return true; } finally { jj_save(0, xla); } } private boolean jj_3_1() { if (jj_3R_4()) return true; return false; } private boolean jj_3R_5() { if (jj_scan_token(DIRECTED_EDGE)) return true; return false; } private boolean jj_3R_4() { if (jj_scan_token(NAME)) return true; Token xsp; if (jj_3R_5()) return true; while (true) { xsp = jj_scanpos; if (jj_3R_5()) { jj_scanpos = xsp; break; } } return false; } /** Generated Token Manager. */ public DOTParserTokenManager token_source; SimpleCharStream jj_input_stream; /** Current token. */ public Token token; /** Next token. */ public Token jj_nt; private int jj_ntk; private Token jj_scanpos, jj_lastpos; private int jj_la; private int jj_gen; final private int[] jj_la1 = new int[6]; static private int[] jj_la1_0; static { jj_la1_init_0(); } private static void jj_la1_init_0() { jj_la1_0 = new int[] {0x10e00000,0x10e00000,0xe00000,0x8000,0x100000,0x40000,}; } final private JJCalls[] jj_2_rtns = new JJCalls[1]; private boolean jj_rescan = false; private int jj_gc = 0; /** Constructor with InputStream. */ public DOTParser(java.io.InputStream stream) { this(stream, null); } /** Constructor with InputStream and supplied encoding */ public DOTParser(java.io.InputStream stream, String encoding) { try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); } token_source = new DOTParserTokenManager(jj_input_stream); token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 6; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } /** Reinitialise. */ public void ReInit(java.io.InputStream stream) { ReInit(stream, null); } /** Reinitialise. */ public void ReInit(java.io.InputStream stream, String encoding) { try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); } token_source.ReInit(jj_input_stream); token = new Token(); jj_ntk = -1; jjtree.reset(); jj_gen = 0; for (int i = 0; i < 6; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } /** Constructor. */ public DOTParser(java.io.Reader stream) { jj_input_stream = new SimpleCharStream(stream, 1, 1); token_source = new DOTParserTokenManager(jj_input_stream); token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 6; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } /** Reinitialise. */ public void ReInit(java.io.Reader stream) { jj_input_stream.ReInit(stream, 1, 1); token_source.ReInit(jj_input_stream); token = new Token(); jj_ntk = -1; jjtree.reset(); jj_gen = 0; for (int i = 0; i < 6; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } /** Constructor with generated Token Manager. */ public DOTParser(DOTParserTokenManager tm) { token_source = tm; token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 6; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } /** Reinitialise. */ public void ReInit(DOTParserTokenManager tm) { token_source = tm; token = new Token(); jj_ntk = -1; jjtree.reset(); jj_gen = 0; for (int i = 0; i < 6; i++) jj_la1[i] = -1; for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); } private Token jj_consume_token(int kind) throws ParseException { Token oldToken; if ((oldToken = token).next != null) token = token.next; else token = token.next = token_source.getNextToken(); jj_ntk = -1; if (token.kind == kind) { jj_gen++; if (++jj_gc > 100) { jj_gc = 0; for (int i = 0; i < jj_2_rtns.length; i++) { JJCalls c = jj_2_rtns[i]; while (c != null) { if (c.gen < jj_gen) c.first = null; c = c.next; } } } return token; } token = oldToken; jj_kind = kind; throw generateParseException(); } static private final class LookaheadSuccess extends java.lang.Error { } final private LookaheadSuccess jj_ls = new LookaheadSuccess(); private boolean jj_scan_token(int kind) { if (jj_scanpos == jj_lastpos) { jj_la--; if (jj_scanpos.next == null) { jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken(); } else { jj_lastpos = jj_scanpos = jj_scanpos.next; } } else { jj_scanpos = jj_scanpos.next; } if (jj_rescan) { int i = 0; Token tok = token; while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; } if (tok != null) jj_add_error_token(kind, i); } if (jj_scanpos.kind != kind) return true; if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls; return false; } /** Get the next Token. */ final public Token getNextToken() { if (token.next != null) token = token.next; else token = token.next = token_source.getNextToken(); jj_ntk = -1; jj_gen++; return token; } /** Get the specific Token. */ final public Token getToken(int index) { Token t = token; for (int i = 0; i < index; i++) { if (t.next != null) t = t.next; else t = t.next = token_source.getNextToken(); } return t; } private int jj_ntk() { if ((jj_nt=token.next) == null) return (jj_ntk = (token.next=token_source.getNextToken()).kind); else return (jj_ntk = jj_nt.kind); } private java.util.List jj_expentries = new java.util.ArrayList(); private int[] jj_expentry; private int jj_kind = -1; private int[] jj_lasttokens = new int[100]; private int jj_endpos; private void jj_add_error_token(int kind, int pos) { if (pos >= 100) return; if (pos == jj_endpos + 1) { jj_lasttokens[jj_endpos++] = kind; } else if (jj_endpos != 0) { jj_expentry = new int[jj_endpos]; for (int i = 0; i < jj_endpos; i++) { jj_expentry[i] = jj_lasttokens[i]; } jj_entries_loop: for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext();) { int[] oldentry = (int[])(it.next()); if (oldentry.length == jj_expentry.length) { for (int i = 0; i < jj_expentry.length; i++) { if (oldentry[i] != jj_expentry[i]) { continue jj_entries_loop; } } jj_expentries.add(jj_expentry); break jj_entries_loop; } } if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind; } } /** Generate ParseException. */ public ParseException generateParseException() { jj_expentries.clear(); boolean[] la1tokens = new boolean[30]; if (jj_kind >= 0) { la1tokens[jj_kind] = true; jj_kind = -1; } for (int i = 0; i < 6; i++) { if (jj_la1[i] == jj_gen) { for (int j = 0; j < 32; j++) { if ((jj_la1_0[i] & (1<<j)) != 0) { la1tokens[j] = true; } } } } for (int i = 0; i < 30; i++) { if (la1tokens[i]) { jj_expentry = new int[1]; jj_expentry[0] = i; jj_expentries.add(jj_expentry); } } jj_endpos = 0; jj_rescan_token(); jj_add_error_token(0, 0); int[][] exptokseq = new int[jj_expentries.size()][]; for (int i = 0; i < jj_expentries.size(); i++) { exptokseq[i] = (int[])jj_expentries.get(i); } return new ParseException(token, exptokseq, tokenImage); } /** Enable tracing. */ final public void enable_tracing() { } /** Disable tracing. */ final public void disable_tracing() { } private void jj_rescan_token() { jj_rescan = true; for (int i = 0; i < 1; i++) { try { JJCalls p = jj_2_rtns[i]; do { if (p.gen > jj_gen) { jj_la = p.arg; jj_lastpos = jj_scanpos = p.first; switch (i) { case 0: jj_3_1(); break; } } p = p.next; } while (p != null); } catch(LookaheadSuccess ls) { } } jj_rescan = false; } private void jj_save(int index, int xla) { JJCalls p = jj_2_rtns[index]; while (p.gen > jj_gen) { if (p.next == null) { p = p.next = new JJCalls(); break; } p = p.next; } p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla; } static final class JJCalls { int gen; Token first; int arg; JJCalls next; } }