/* Generated By:JavaCC: Do not edit this line. Compile.java */
package pl0;

import java.io.*;

public class Compile implements CompileConstants {
        static boolean objCode;
        static CodeGen codeGen;

        static final int MINERROR = 3;
        static final int FIRSTADDR = 2;

        public Compile(CodeGen c, boolean o, FileReader reader){
                this(reader);
                codeGen = c; objCode = o;
        }

  static final public boolean program() throws ParseException {
          System.out.println("start compilation" );
          Table.blockBegin(FIRSTADDR);
    block(0);
    jj_consume_token(19);
          if (objCode)
                codeGen.listCode();
          System.out.println("end compilation" );
          {if (true) return GetSource.errorN() < MINERROR;}
    throw new Error("Missing return statement in function");
  }

  static final public void block(int pIndex) throws ParseException {
        int backP;
          backP = codeGen.genCodeV(CodeGen.jmp, 0);
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case CONST:
      case VAR:
      case FUNCTION:
        ;
        break;
      default:
        jj_la1[0] = jj_gen;
        break label_1;
      }
      decl();
    }
          codeGen.backPatch(backP);
          if(pIndex != 0)
                Table.changeV(pIndex, codeGen.nextCode());
          codeGen.genCodeV(CodeGen.ict, Table.frameL());
    statement();
          codeGen.genCodeR();
          Table.blockEnd();
  }

  static final public void decl() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case CONST:
      constDecl();
      break;
    case VAR:
      varDecl();
      break;
    case FUNCTION:
      funcDecl();
      break;
    default:
      jj_la1[1] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  static final public void constDecl() throws ParseException {
    jj_consume_token(CONST);
    constDef();
    label_2:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 20:
        ;
        break;
      default:
        jj_la1[2] = jj_gen;
        break label_2;
      }
      jj_consume_token(20);
      constDef();
    }
    jj_consume_token(21);
  }

  static final public void constDef() throws ParseException {
        Token tId, tNum;
    tId = jj_consume_token(IDENT);
    jj_consume_token(22);
    tNum = jj_consume_token(NUMBER);
          int num = Integer.parseInt(tNum.image);
          Table.enterTconst(tId.image.intern(), num);
  }

  static final public void varDecl() throws ParseException {
        Token t;
    jj_consume_token(VAR);
    t = jj_consume_token(IDENT);
          Table.enterTvar(t.image.intern());
    label_3:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 20:
        ;
        break;
      default:
        jj_la1[3] = jj_gen;
        break label_3;
      }
      jj_consume_token(20);
      t = jj_consume_token(IDENT);
          Table.enterTvar(t.image.intern());
    }
    jj_consume_token(21);
  }

  static final public void funcDecl() throws ParseException {
        Token t;
        int fIndex;
    jj_consume_token(FUNCTION);
    t = jj_consume_token(IDENT);
          fIndex = Table.enterTfunc(t.image.intern(), codeGen.nextCode());
          Table.blockBegin(FIRSTADDR);
    jj_consume_token(23);
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case IDENT:
      t = jj_consume_token(IDENT);
          Table.enterTpar(t.image.intern());
      label_4:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case 20:
          ;
          break;
        default:
          jj_la1[4] = jj_gen;
          break label_4;
        }
        jj_consume_token(20);
        t = jj_consume_token(IDENT);
          Table.enterTpar(t.image.intern());
      }
      break;
    default:
      jj_la1[5] = jj_gen;
      ;
    }
    jj_consume_token(24);
          Table.endpar();
    block(fIndex);
    jj_consume_token(21);
  }

  static final public void statement() throws ParseException {
        Token t;
        int backP, backP2;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case BEGIN:
    case IF:
    case WHILE:
    case RETURN:
    case WRITE:
    case WRITELN:
    case IDENT:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case IDENT:
        t = jj_consume_token(IDENT);
        jj_consume_token(25);
        expression();
          int tIndex = Table.searchT(t.image.intern(), GetSource.varId);
          int k = Table.kindT(tIndex);
          if (k != GetSource.varId && k != GetSource.parId)
                System.out.println("Lefthand "+t.image+" is not var or par");
          codeGen.genCodeT(CodeGen.sto, tIndex);
        break;
      case BEGIN:
        jj_consume_token(BEGIN);
        statement();
        label_5:
        while (true) {
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case 21:
            ;
            break;
          default:
            jj_la1[6] = jj_gen;
            break label_5;
          }
          jj_consume_token(21);
          statement();
        }
        jj_consume_token(END);
        break;
      case IF:
        jj_consume_token(IF);
        condition();
        jj_consume_token(THEN);
          backP = codeGen.genCodeV(CodeGen.jpc, 0);
        statement();
          codeGen.backPatch(backP);
        break;
      case WHILE:
        jj_consume_token(WHILE);
          backP2 = codeGen.nextCode();
        condition();
        jj_consume_token(DO);
          backP = codeGen.genCodeV(CodeGen.jpc, 0);
        statement();
          codeGen.genCodeV(CodeGen.jmp, backP2);
          codeGen.backPatch(backP);
        break;
      case RETURN:
        jj_consume_token(RETURN);
        expression();
          codeGen.genCodeR();
        break;
      case WRITE:
        jj_consume_token(WRITE);
        expression();
          codeGen.genCodeO(CodeGen.wrt);
        break;
      case WRITELN:
        jj_consume_token(WRITELN);
          codeGen.genCodeO(CodeGen.wrl);
        break;
      default:
        jj_la1[7] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[8] = jj_gen;
      ;
    }
  }

  static final public void condition() throws ParseException {
        int op;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case ODD:
      jj_consume_token(ODD);
      expression();
          codeGen.genCodeO(CodeGen.odd);
      break;
    case IDENT:
    case NUMBER:
    case 23:
    case 31:
    case 32:
      expression();
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 22:
        jj_consume_token(22);
          op = CodeGen.eq;
        break;
      case 26:
        jj_consume_token(26);
          op = CodeGen.neq;
        break;
      case 27:
        jj_consume_token(27);
          op = CodeGen.ls;
        break;
      case 28:
        jj_consume_token(28);
          op = CodeGen.lseq;
        break;
      case 29:
        jj_consume_token(29);
          op = CodeGen.gr;
        break;
      case 30:
        jj_consume_token(30);
                  op = CodeGen.greq;
        break;
      default:
        jj_la1[9] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      expression();
          codeGen.genCodeO(op);
      break;
    default:
      jj_la1[10] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  static final public void expression() throws ParseException {
        boolean prefixOp = false;
        int op;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case 31:
    case 32:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 31:
        jj_consume_token(31);
                  prefixOp = true;
        break;
      case 32:
        jj_consume_token(32);
        break;
      default:
        jj_la1[11] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[12] = jj_gen;
      ;
    }
    term();
                  if (prefixOp)
                  codeGen.genCodeO(CodeGen.neg);
    label_6:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 31:
      case 32:
        ;
        break;
      default:
        jj_la1[13] = jj_gen;
        break label_6;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 31:
        jj_consume_token(31);
                  op = CodeGen.sub;
        break;
      case 32:
        jj_consume_token(32);
                  op = CodeGen.add;
        break;
      default:
        jj_la1[14] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      term();
                  codeGen.genCodeO(op);
    }
  }

  static final public void term() throws ParseException {
        int op;
    factor();
    label_7:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 33:
      case 34:
        ;
        break;
      default:
        jj_la1[15] = jj_gen;
        break label_7;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case 33:
        jj_consume_token(33);
                  op = CodeGen.mul;
        break;
      case 34:
        jj_consume_token(34);
          op = CodeGen.div;
        break;
      default:
        jj_la1[16] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      factor();
                  codeGen.genCodeO(op);
    }
  }

  static final public void factor() throws ParseException {
        Token t;
        int pCount = 0;
    if (jj_2_1(2)) {
      t = jj_consume_token(IDENT);
      jj_consume_token(23);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case IDENT:
      case NUMBER:
      case 23:
      case 31:
      case 32:
        expression();
          pCount++;
        label_8:
        while (true) {
          switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
          case 20:
            ;
            break;
          default:
            jj_la1[17] = jj_gen;
            break label_8;
          }
          jj_consume_token(20);
          expression();
          pCount++;
        }
        break;
      default:
        jj_la1[18] = jj_gen;
        ;
      }
      jj_consume_token(24);
          int tIndex = Table.searchT(t.image.intern(), GetSource.funcId);
          if (Table.pars(tIndex) != pCount)
                System.out.println("unmatched parameters of " + t.image);
          codeGen.genCodeT(CodeGen.cal, tIndex);
    } else {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case NUMBER:
        t = jj_consume_token(NUMBER);
          codeGen.genCodeV(CodeGen.lit, Integer.parseInt(t.image));
        break;
      case IDENT:
        t = jj_consume_token(IDENT);
          int tIndex = Table.searchT(t.image.intern(), GetSource.varId);
         int k = Table.kindT(tIndex);
          switch (k) {
         case GetSource.varId: case GetSource.parId:
            codeGen.genCodeT(CodeGen.lod, tIndex);
            break;
         case GetSource.constId:
            codeGen.genCodeV(CodeGen.lit, Table.val(tIndex));
            break;
          }
        break;
      case 23:
        jj_consume_token(23);
        expression();
        jj_consume_token(24);
        break;
      default:
        jj_la1[19] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
  }

  static final private boolean jj_2_1(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    boolean retval = !jj_3_1();
    jj_save(0, xla);
    return retval;
  }

  static final private boolean jj_3_1() {
    if (jj_scan_token(IDENT)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    if (jj_scan_token(23)) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) return false;
    return false;
  }

  static private boolean jj_initialized_once = false;
  static public CompileTokenManager token_source;
  static SimpleCharStream jj_input_stream;
  static public Token token, jj_nt;
  static private int jj_ntk;
  static private Token jj_scanpos, jj_lastpos;
  static private int jj_la;
  static public boolean lookingAhead = false;
  static private boolean jj_semLA;
  static private int jj_gen;
  static final private int[] jj_la1 = new int[20];
  static final private int[] jj_la1_0 = {0x1c,0x1c,0x100000,0x100000,0x100000,0x8000,0x200000,0xbaa0,0xbaa0,0x7c400000,0x8081c000,0x80000000,0x80000000,0x80000000,0x80000000,0x0,0x0,0x100000,0x80818000,0x818000,};
  static final private int[] jj_la1_1 = {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x1,0x1,0x1,0x1,0x1,0x6,0x6,0x0,0x1,0x0,};
  static final private JJCalls[] jj_2_rtns = new JJCalls[1];
  static private boolean jj_rescan = false;
  static private int jj_gc = 0;

  public Compile(java.io.InputStream stream) {
    if (jj_initialized_once) {
      System.out.println("ERROR: Second call to constructor of static parser.  You must");
      System.out.println("       either use ReInit() or set the JavaCC option STATIC to false");
      System.out.println("       during parser generation.");
      throw new Error();
    }
    jj_initialized_once = true;
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new CompileTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 20; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  static public void ReInit(java.io.InputStream 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 < 20; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public Compile(java.io.Reader stream) {
    if (jj_initialized_once) {
      System.out.println("ERROR: Second call to constructor of static parser.  You must");
      System.out.println("       either use ReInit() or set the JavaCC option STATIC to false");
      System.out.println("       during parser generation.");
      throw new Error();
    }
    jj_initialized_once = true;
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new CompileTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 20; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  static 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 < 20; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public Compile(CompileTokenManager tm) {
    if (jj_initialized_once) {
      System.out.println("ERROR: Second call to constructor of static parser.  You must");
      System.out.println("       either use ReInit() or set the JavaCC option STATIC to false");
      System.out.println("       during parser generation.");
      throw new Error();
    }
    jj_initialized_once = true;
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 20; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(CompileTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 20; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  static 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++;
      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 final 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);
    }
    return (jj_scanpos.kind != kind);
  }

  static 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;
  }

  static final public Token getToken(int index) {
    Token t = lookingAhead ? jj_scanpos : token;
    for (int i = 0; i < index; i++) {
      if (t.next != null) t = t.next;
      else t = t.next = token_source.getNextToken();
    }
    return t;
  }

  static 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);
  }

  static private java.util.Vector jj_expentries = new java.util.Vector();
  static private int[] jj_expentry;
  static private int jj_kind = -1;
  static private int[] jj_lasttokens = new int[100];
  static private int jj_endpos;

  static 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];
      }
      boolean exists = false;
      for (java.util.Enumeration enum = jj_expentries.elements(); enum.hasMoreElements();) {
        int[] oldentry = (int[])(enum.nextElement());
        if (oldentry.length == jj_expentry.length) {
          exists = true;
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              exists = false;
              break;
            }
          }
          if (exists) break;
        }
      }
      if (!exists) jj_expentries.addElement(jj_expentry);
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  static final public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[35];
    for (int i = 0; i < 35; i++) {
      la1tokens[i] = false;
    }
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 20; 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 < 35; i++) {
      if (la1tokens[i]) {
        jj_expentry = new int[1];
        jj_expentry[0] = i;
        jj_expentries.addElement(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.elementAt(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  static final public void enable_tracing() {
  }

  static final public void disable_tracing() {
  }

  static final private void jj_rescan_token() {
    jj_rescan = true;
    for (int i = 0; i < 1; i++) {
      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);
    }
    jj_rescan = false;
  }

  static final 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;
  }

}