rcc.java

hadoop:Nutch集群平台

/* Generated By:JavaCC: Do not edit this line. Rcc.java */
/**
 * Copyright 2005 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.record.compiler.generated;

import org.apache.hadoop.record.compiler.*;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.Iterator;
import java.io.File;
import java.io.FileReader;
import java.io.FileNotFoundException;
import java.io.IOException;

public class Rcc implements RccConstants {
    private static String language = "java";
    private static ArrayList recFiles = new ArrayList();
    private static JFile curFile;
    private static Hashtable recTab;
    private static String curDir = System.getProperty("user.dir");
    private static String curFileName;
    private static String curModuleName;

    public static void main(String args[]) {
        for (int i=0; i<args.length; i++) {
            if ("-l".equalsIgnoreCase(args[i]) ||
                "--language".equalsIgnoreCase(args[i])) {
                language = args[i+1].toLowerCase();
                i++;
            } else {
                recFiles.add(args[i]);
            }
        }
        if (!"c++".equals(language) && !"java".equals(language)) {
            System.out.println("Cannot recognize language:" + language);
            System.exit(1);
        }
        if (recFiles.size() == 0) {
            System.out.println("No record files specified. Exiting.");
            System.exit(1);
        }
        for (int i=0; i<recFiles.size(); i++) {
            curFileName = (String) recFiles.get(i);
            File file = new File(curDir, curFileName);
            try {
                FileReader reader = new FileReader(file);
                Rcc parser = new Rcc(reader);
                try {
                    recTab = new Hashtable();
                    curFile = parser.Input();
                    System.out.println((String) recFiles.get(i) +
                        " Parsed Successfully");
                } catch (ParseException e) {
                    System.out.println(e.toString());
                    System.exit(1);
                }
                try {
                    reader.close();
                } catch (IOException e) {
                }
            } catch (FileNotFoundException e) {
                System.out.println("File " + (String) recFiles.get(i) +
                    " Not found.");
                System.exit(1);
            }
            try {
                curFile.genCode(language);
            } catch (IOException e) {
                System.out.println(e.toString());
                System.exit(1);
            }
        }
    }

  final public JFile Input() throws ParseException {
    ArrayList ilist = new ArrayList();
    ArrayList rlist = new ArrayList();
    JFile i;
    ArrayList l;
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case INCLUDE_TKN:
        i = Include();
          ilist.add(i);
        break;
      case MODULE_TKN:
        l = Module();
          rlist.addAll(l);
        break;
      default:
        jj_la1[0] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case MODULE_TKN:
      case INCLUDE_TKN:
        ;
        break;
      default:
        jj_la1[1] = jj_gen;
        break label_1;
      }
    }
    jj_consume_token(0);
      {if (true) return new JFile(curFileName, ilist, rlist);}
    throw new Error("Missing return statement in function");
  }

  final public JFile Include() throws ParseException {
    String fname;
    Token t;
    jj_consume_token(INCLUDE_TKN);
    t = jj_consume_token(CSTRING_TKN);
        JFile ret = null;
        fname = t.image.replaceAll("^\"", "").replaceAll("\"$","");
        File file = new File(curDir, fname);
        String tmpDir = curDir;
        String tmpFile = curFileName;
        curDir = file.getParent();
        curFileName = file.getName();
        try {
            FileReader reader = new FileReader(file);
            Rcc parser = new Rcc(reader);
            try {
                ret = parser.Input();
                System.out.println(fname + " Parsed Successfully");
            } catch (ParseException e) {
                System.out.println(e.toString());
                System.exit(1);
            }
            try {
                reader.close();
            } catch (IOException e) {
            }
        } catch (FileNotFoundException e) {
            System.out.println("File " + fname +
                " Not found.");
            System.exit(1);
        }
        curDir = tmpDir;
        curFileName = tmpFile;
        {if (true) return ret;}
    throw new Error("Missing return statement in function");
  }

  final public ArrayList Module() throws ParseException {
    String mName;
    ArrayList rlist;
    jj_consume_token(MODULE_TKN);
    mName = ModuleName();
      curModuleName = mName;
    jj_consume_token(LBRACE_TKN);
    rlist = RecordList();
    jj_consume_token(RBRACE_TKN);
      {if (true) return rlist;}
    throw new Error("Missing return statement in function");
  }

  final public String ModuleName() throws ParseException {
    String name = "";
    Token t;
    t = jj_consume_token(IDENT_TKN);
      name += t.image;
    label_2:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case DOT_TKN:
        ;
        break;
      default:
        jj_la1[2] = jj_gen;
        break label_2;
      }
      jj_consume_token(DOT_TKN);
      t = jj_consume_token(IDENT_TKN);
          name += "." + t.image;
    }
      {if (true) return name;}
    throw new Error("Missing return statement in function");
  }

  final public ArrayList RecordList() throws ParseException {
    ArrayList rlist = new ArrayList();
    JRecord r;
    label_3:
    while (true) {
      r = Record();
          rlist.add(r);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case RECORD_TKN:
        ;
        break;
      default:
        jj_la1[3] = jj_gen;
        break label_3;
      }
    }
      {if (true) return rlist;}
    throw new Error("Missing return statement in function");
  }

  final public JRecord Record() throws ParseException {
    String rname;
    ArrayList flist = new ArrayList();
    Token t;
    JField f;
    jj_consume_token(RECORD_TKN);
    t = jj_consume_token(IDENT_TKN);
      rname = t.image;
    jj_consume_token(LBRACE_TKN);
    label_4:
    while (true) {
      f = Field();
          flist.add(f);
      jj_consume_token(SEMICOLON_TKN);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case BYTE_TKN:
      case BOOLEAN_TKN:
      case INT_TKN:
      case LONG_TKN:
      case FLOAT_TKN:
      case DOUBLE_TKN:
      case USTRING_TKN:
      case BUFFER_TKN:
      case VECTOR_TKN:
      case MAP_TKN:
      case IDENT_TKN:
        ;
        break;
      default:
        jj_la1[4] = jj_gen;
        break label_4;
      }
    }
    jj_consume_token(RBRACE_TKN);
        String fqn = curModuleName + "." + rname;
        JRecord r = new JRecord(fqn, flist);
        recTab.put(fqn, r);
        {if (true) return r;}
    throw new Error("Missing return statement in function");
  }

  final public JField Field() throws ParseException {
    JType jt;
    Token t;
    jt = Type();
    t = jj_consume_token(IDENT_TKN);
      {if (true) return new JField(jt, t.image);}
    throw new Error("Missing return statement in function");
  }

  final public JType Type() throws ParseException {
    JType jt;
    Token t;
    String rname;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case MAP_TKN:
      jt = Map();
      {if (true) return jt;}
      break;
    case VECTOR_TKN:
      jt = Vector();
      {if (true) return jt;}
      break;
    case BYTE_TKN:
      jj_consume_token(BYTE_TKN);
      {if (true) return new JByte();}
      break;
    case BOOLEAN_TKN:
      jj_consume_token(BOOLEAN_TKN);
      {if (true) return new JBoolean();}
      break;
    case INT_TKN:
      jj_consume_token(INT_TKN);
      {if (true) return new JInt();}
      break;
    case LONG_TKN:
      jj_consume_token(LONG_TKN);
      {if (true) return new JLong();}
      break;
    case FLOAT_TKN:
      jj_consume_token(FLOAT_TKN);
      {if (true) return new JFloat();}
      break;
    case DOUBLE_TKN:
      jj_consume_token(DOUBLE_TKN);
      {if (true) return new JDouble();}
      break;
    case USTRING_TKN:
      jj_consume_token(USTRING_TKN);
      {if (true) return new JString();}
      break;
    case BUFFER_TKN:
      jj_consume_token(BUFFER_TKN);
      {if (true) return new JBuffer();}
      break;
    case IDENT_TKN:
      rname = ModuleName();
        if (rname.indexOf('.', 0) < 0) {
            rname = curModuleName + "." + rname;
        }
        JRecord r = (JRecord) recTab.get(rname);
        if (r == null) {
            System.out.println("Type " + rname + " not known. Exiting.");
            System.exit(1);
        }
        {if (true) return r;}
      break;
    default:
      jj_la1[5] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public JMap Map() throws ParseException {
    JType jt1;
    JType jt2;
    jj_consume_token(MAP_TKN);
    jj_consume_token(LT_TKN);
    jt1 = Type();
    jj_consume_token(COMMA_TKN);
    jt2 = Type();
    jj_consume_token(GT_TKN);
      {if (true) return new JMap(jt1, jt2);}
    throw new Error("Missing return statement in function");
  }

  final public JVector Vector() throws ParseException {
    JType jt;
    jj_consume_token(VECTOR_TKN);
    jj_consume_token(LT_TKN);
    jt = Type();
    jj_consume_token(GT_TKN);
      {if (true) return new JVector(jt);}
    throw new Error("Missing return statement in function");
  }

  public RccTokenManager token_source;
  SimpleCharStream jj_input_stream;
  public Token token, jj_nt;
  private int jj_ntk;
  private int jj_gen;
  final private int[] jj_la1 = new int[6];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static {
      jj_la1_0();
      jj_la1_1();
   }
   private static void jj_la1_0() {
      jj_la1_0 = new int[] {0x2800,0x2800,0x40000000,0x1000,0xffc000,0xffc000,};
   }
   private static void jj_la1_1() {
      jj_la1_1 = new int[] {0x0,0x0,0x0,0x0,0x1,0x1,};
   }

  public Rcc(java.io.InputStream stream) {
     this(stream, null);
  }
  public Rcc(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 RccTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 6; i++) jj_la1[i] = -1;
  }

  public void ReInit(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  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;
    jj_gen = 0;
    for (int i = 0; i < 6; i++) jj_la1[i] = -1;
  }

  public Rcc(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new RccTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 6; i++) jj_la1[i] = -1;
  }

  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;
    jj_gen = 0;
    for (int i = 0; i < 6; i++) jj_la1[i] = -1;
  }

  public Rcc(RccTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 6; i++) jj_la1[i] = -1;
  }

  public void ReInit(RccTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 6; i++) jj_la1[i] = -1;
  }

  final 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++;
      return token;
    }
    token = oldToken;
    jj_kind = kind;
    throw generateParseException();
  }

  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;
  }

  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;
  }

  final 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.Vector jj_expentries = new java.util.Vector();
  private int[] jj_expentry;
  private int jj_kind = -1;

  public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[33];
    for (int i = 0; i < 33; i++) {
      la1tokens[i] = false;
    }
    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;
          }
          if ((jj_la1_1[i] & (1<<j)) != 0) {
            la1tokens[32+j] = true;
          }
        }
      }
    }
    for (int i = 0; i < 33; i++) {
      if (la1tokens[i]) {
        jj_expentry = new int[1];
        jj_expentry[0] = i;
        jj_expentries.addElement(jj_expentry);
      }
    }
    int[][] exptokseq = new int[jj_expentries.size()][];
    for (int i = 0; i < jj_expentries.size(); i++) {
      exptokseq[i] = (int[])jj_expentries.elementAt(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  final public void enable_tracing() {
  }

  final public void disable_tracing() {
  }

}