commons-bcel-master/src/examples/Mini/MiniParserTokenManager.java
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
/* Generated By:JJTree&JavaCC: Do not edit this line. MiniParserTokenManager.java */
package Mini;

public class MiniParserTokenManager implements MiniParserConstants {
    static final long[] jjbitVec0 = {0x0L, 0x0L, 0xffffffffffffffffL, 0xffffffffffffffffL};
    static final int[] jjnextStates = {4, 5,};
    public static final String[] jjstrLiteralImages = {"", null, null, null, null, null, null, null, null, "\106\125\116", "\111\106", "\124\110\105\116",
        "\105\114\123\105", "\106\111", "\114\105\124", "\111\116", "\76", "\74", "\76\75", "\74\75", "\75\75", "\41\75", "\41", "\106\101\114\123\105",
        "\124\122\125\105", "\101\116\104", "\117\122", "\53", "\55", "\52", "\45", "\57", "\50", "\51", "\75", "\54", "\122\105\101\104",
        "\127\122\111\124\105", null, null, null, null, null,};
    public static final String[] lexStateNames = {"DEFAULT", "SINGLE_LINE_COMMENT_STATE",};
    public static final int[] jjnewLexState = {-1, -1, -1, -1, -1, -1, 1, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,};
    static final long[] jjtoToken = {0x73ffffffe01L,};
    static final long[] jjtoSkip = {0xbeL,};
    static final long[] jjtoSpecial = {0x80L,};
    static final long[] jjtoMore = {0x140L,};
    static private ASCII_CharStream input_stream;
    static private final int[] jjrounds = new int[6];
    static private final int[] jjstateSet = new int[12];
    static StringBuffer image;
    static int jjimageLen;
    static int lengthOfMatch;
    static protected char curChar;
    static int curLexState = 0;
    static int defaultLexState = 0;
    static int jjnewStateCnt;
    static int jjround;
    static int jjmatchedPos;
    static int jjmatchedKind;

    public static Token getNextToken() {
        Token specialToken = null;
        Token matchedToken;
        int curPos = 0;

        EOFLoop: for (;;) {
            try {
                curChar = ASCII_CharStream.BeginToken();
            } catch (final java.io.IOException e) {
                jjmatchedKind = 0;
                matchedToken = jjFillToken();
                matchedToken.specialToken = specialToken;
                return matchedToken;
            }
            image = null;
            jjimageLen = 0;

            for (;;) {
                switch (curLexState) {
                case 0:
                    try {
                        ASCII_CharStream.backup(0);
                        while (curChar <= 32 && (0x100003600L & 1L << curChar) != 0L) {
                            curChar = ASCII_CharStream.BeginToken();
                        }
                    } catch (final java.io.IOException e1) {
                        continue EOFLoop;
                    }
                    jjmatchedKind = 0x7fffffff;
                    jjmatchedPos = 0;
                    curPos = jjMoveStringLiteralDfa0_0();
                    break;
                case 1:
                    jjmatchedKind = 0x7fffffff;
                    jjmatchedPos = 0;
                    curPos = jjMoveStringLiteralDfa0_1();
                    if (jjmatchedPos == 0 && jjmatchedKind > 8) {
                        jjmatchedKind = 8;
                    }
                    break;
                }
                if (jjmatchedKind != 0x7fffffff) {
                    if (jjmatchedPos + 1 < curPos) {
                        ASCII_CharStream.backup(curPos - jjmatchedPos - 1);
                    }
                    if ((jjtoToken[jjmatchedKind >> 6] & 1L << (jjmatchedKind & 077)) != 0L) {
                        matchedToken = jjFillToken();
                        matchedToken.specialToken = specialToken;
                        if (jjnewLexState[jjmatchedKind] != -1) {
                            curLexState = jjnewLexState[jjmatchedKind];
                        }
                        return matchedToken;
                    }
                    if ((jjtoSkip[jjmatchedKind >> 6] & 1L << (jjmatchedKind & 077)) != 0L) {
                        if ((jjtoSpecial[jjmatchedKind >> 6] & 1L << (jjmatchedKind & 077)) != 0L) {
                            matchedToken = jjFillToken();
                            if (specialToken == null) {
                                specialToken = matchedToken;
                            } else {
                                matchedToken.specialToken = specialToken;
                                specialToken = specialToken.next = matchedToken;
                            }
                            SkipLexicalActions(matchedToken);
                        } else {
                            SkipLexicalActions(null);
                        }
                        if (jjnewLexState[jjmatchedKind] != -1) {
                            curLexState = jjnewLexState[jjmatchedKind];
                        }
                        continue EOFLoop;
                    }
                    jjimageLen += jjmatchedPos + 1;
                    if (jjnewLexState[jjmatchedKind] != -1) {
                        curLexState = jjnewLexState[jjmatchedKind];
                    }
                    curPos = 0;
                    jjmatchedKind = 0x7fffffff;
                    try {
                        curChar = ASCII_CharStream.readChar();
                        continue;
                    } catch (final java.io.IOException e1) {
                    }
                }
                int error_line = ASCII_CharStream.getEndLine();
                int error_column = ASCII_CharStream.getEndColumn();
                String error_after = null;
                boolean EOFSeen = false;
                try {
                    ASCII_CharStream.readChar();
                    ASCII_CharStream.backup(1);
                } catch (final java.io.IOException e1) {
                    EOFSeen = true;
                    error_after = curPos <= 1 ? "" : ASCII_CharStream.GetImage();
                    if (curChar == '\n' || curChar == '\r') {
                        error_line++;
                        error_column = 0;
                    } else {
                        error_column++;
                    }
                }
                if (!EOFSeen) {
                    ASCII_CharStream.backup(1);
                    error_after = curPos <= 1 ? "" : ASCII_CharStream.GetImage();
                }
                throw new TokenMgrError(EOFSeen, curLexState, error_line, error_column, error_after, curChar, TokenMgrError.LEXICAL_ERROR);
            }
        }
    }

    static private void jjAddStates(int start, final int end) {
        do {
            jjstateSet[jjnewStateCnt++] = jjnextStates[start];
        } while (start++ != end);
    }

    static private void jjCheckNAdd(final int state) {
        if (jjrounds[state] != jjround) {
            jjstateSet[jjnewStateCnt++] = state;
            jjrounds[state] = jjround;
        }
    }

    static private void jjCheckNAddTwoStates(final int state1, final int state2) {
        jjCheckNAdd(state1);
        jjCheckNAdd(state2);
    }

    static private Token jjFillToken() {
        final Token t = Token.newToken(jjmatchedKind);
        t.kind = jjmatchedKind;
        final String im = jjstrLiteralImages[jjmatchedKind];
        t.image = im == null ? ASCII_CharStream.GetImage() : im;
        t.beginLine = ASCII_CharStream.getBeginLine();
        t.beginColumn = ASCII_CharStream.getBeginColumn();
        t.endLine = ASCII_CharStream.getEndLine();
        t.endColumn = ASCII_CharStream.getEndColumn();
        return t;
    }

    static private int jjMoveNfa_0(final int startState, int curPos) {
        int startsAt = 0;
        jjnewStateCnt = 6;
        int i = 1;
        jjstateSet[0] = startState;
        int kind = 0x7fffffff;
        for (;;) {
            if (++jjround == 0x7fffffff) {
                ReInitRounds();
            }
            if (curChar < 64) {
                final long l = 1L << curChar;
                do {
                    switch (jjstateSet[--i]) {
                    case 0:
                        if ((0x3ff000000000000L & l) != 0L) {
                            if (kind > 41) {
                                kind = 41;
                            }
                            jjCheckNAdd(2);
                        } else if (curChar == 34) {
                            jjCheckNAddTwoStates(4, 5);
                        }
                        break;
                    case 1:
                        if ((0x3ff000000000000L & l) == 0L) {
                            break;
                        }
                        if (kind > 40) {
                            kind = 40;
                        }
                        jjstateSet[jjnewStateCnt++] = 1;
                        break;
                    case 2:
                        if ((0x3ff000000000000L & l) == 0L) {
                            break;
                        }
                        if (kind > 41) {
                            kind = 41;
                        }
                        jjCheckNAdd(2);
                        break;
                    case 3:
                        if (curChar == 34) {
                            jjCheckNAddTwoStates(4, 5);
                        }
                        break;
                    case 4:
                        if ((0xfffffffbffffdbffL & l) != 0L) {
                            jjCheckNAddTwoStates(4, 5);
                        }
                        break;
                    case 5:
                        if (curChar == 34 && kind > 42) {
                            kind = 42;
                        }
                        break;
                    default:
                        break;
                    }
                } while (i != startsAt);
            } else if (curChar < 128) {
                final long l = 1L << (curChar & 077);
                do {
                    switch (jjstateSet[--i]) {
                    case 0:
                        if ((0x7fffffe07fffffeL & l) == 0L) {
                            break;
                        }
                        if (kind > 40) {
                            kind = 40;
                        }
                        jjCheckNAdd(1);
                        break;
                    case 1:
                        if ((0x7fffffe87fffffeL & l) == 0L) {
                            break;
                        }
                        if (kind > 40) {
                            kind = 40;
                        }
                        jjCheckNAdd(1);
                        break;
                    case 4:
                        jjAddStates(0, 1);
                        break;
                    default:
                        break;
                    }
                } while (i != startsAt);
            } else {
                final int i2 = (curChar & 0xff) >> 6;
                final long l2 = 1L << (curChar & 077);
                do {
                    switch (jjstateSet[--i]) {
                    case 4:
                        if ((jjbitVec0[i2] & l2) != 0L) {
                            jjAddStates(0, 1);
                        }
                        break;
                    default:
                        break;
                    }
                } while (i != startsAt);
            }
            if (kind != 0x7fffffff) {
                jjmatchedKind = kind;
                jjmatchedPos = curPos;
                kind = 0x7fffffff;
            }
            ++curPos;
            if ((i = jjnewStateCnt) == (startsAt = 6 - (jjnewStateCnt = startsAt))) {
                return curPos;
            }
            try {
                curChar = ASCII_CharStream.readChar();
            } catch (final java.io.IOException e) {
                return curPos;
            }
        }
    }

//static private void jjCheckNAddStates(int start, int end)
//{
//   do {
//      jjCheckNAdd(jjnextStates[start]);
//   } while (start++ != end);
//}
//static private void jjCheckNAddStates(int start)
//{
//   jjCheckNAdd(jjnextStates[start]);
//   jjCheckNAdd(jjnextStates[start + 1]);
//}
    static private int jjMoveNfa_1(final int startState, int curPos) {
        int startsAt = 0;
        jjnewStateCnt = 3;
        int i = 1;
        jjstateSet[0] = startState;
        int kind = 0x7fffffff;
        for (;;) {
            if (++jjround == 0x7fffffff) {
                ReInitRounds();
            }
            if (curChar < 64) {
                final long l = 1L << curChar;
                do {
                    switch (jjstateSet[--i]) {
                    case 0:
                        if ((0x2400L & l) != 0L && kind > 7) {
                            kind = 7;
                        }
                        if (curChar == 13) {
                            jjstateSet[jjnewStateCnt++] = 1;
                        }
                        break;
                    case 1:
                        if (curChar == 10 && kind > 7) {
                            kind = 7;
                        }
                        break;
                    case 2:
                        if (curChar == 13) {
                            jjstateSet[jjnewStateCnt++] = 1;
                        }
                        break;
                    default:
                        break;
                    }
                } while (i != startsAt);
            } else {
                do {
                    switch (jjstateSet[--i]) {
                    default:
                        break;
                    }
                } while (i != startsAt);
            }
            if (kind != 0x7fffffff) {
                jjmatchedKind = kind;
                jjmatchedPos = curPos;
                kind = 0x7fffffff;
            }
            ++curPos;
            if ((i = jjnewStateCnt) == (startsAt = 3 - (jjnewStateCnt = startsAt))) {
                return curPos;
            }
            try {
                curChar = ASCII_CharStream.readChar();
            } catch (final java.io.IOException e) {
                return curPos;
            }
        }
    }

    static private int jjMoveStringLiteralDfa0_0() {
        switch (curChar) {
        case 33:
            jjmatchedKind = 22;
            return jjMoveStringLiteralDfa1_0(0x200000L);
        case 37:
            return jjStopAtPos(0, 30);
        case 40:
            return jjStopAtPos(0, 32);
        case 41:
            return jjStopAtPos(0, 33);
        case 42:
            return jjStopAtPos(0, 29);
        case 43:
            return jjStopAtPos(0, 27);
        case 44:
            return jjStopAtPos(0, 35);
        case 45:
            jjmatchedKind = 28;
            return jjMoveStringLiteralDfa1_0(0x40L);
        case 47:
            return jjStopAtPos(0, 31);
        case 60:
            jjmatchedKind = 17;
            return jjMoveStringLiteralDfa1_0(0x80000L);
        case 61:
            jjmatchedKind = 34;
            return jjMoveStringLiteralDfa1_0(0x100000L);
        case 62:
            jjmatchedKind = 16;
            return jjMoveStringLiteralDfa1_0(0x40000L);
        case 65:
            return jjMoveStringLiteralDfa1_0(0x2000000L);
        case 69:
            return jjMoveStringLiteralDfa1_0(0x1000L);
        case 70:
            return jjMoveStringLiteralDfa1_0(0x802200L);
        case 73:
            return jjMoveStringLiteralDfa1_0(0x8400L);
        case 76:
            return jjMoveStringLiteralDfa1_0(0x4000L);
        case 79:
            return jjMoveStringLiteralDfa1_0(0x4000000L);
        case 82:
            return jjMoveStringLiteralDfa1_0(0x1000000000L);
        case 84:
            return jjMoveStringLiteralDfa1_0(0x1000800L);
        case 87:
            return jjMoveStringLiteralDfa1_0(0x2000000000L);
        default:
            return jjMoveNfa_0(0, 0);
        }
    }

    static private int jjMoveStringLiteralDfa0_1() {
        return jjMoveNfa_1(0, 0);
    }

    static private int jjMoveStringLiteralDfa1_0(final long active0) {
        try {
            curChar = ASCII_CharStream.readChar();
        } catch (final java.io.IOException e) {
            jjStopStringLiteralDfa_0(0, active0);
            return 1;
        }
        switch (curChar) {
        case 45:
            if ((active0 & 0x40L) != 0L) {
                return jjStopAtPos(1, 6);
            }
            break;
        case 61:
            if ((active0 & 0x40000L) != 0L) {
                return jjStopAtPos(1, 18);
            }
            if ((active0 & 0x80000L) != 0L) {
                return jjStopAtPos(1, 19);
            }
            if ((active0 & 0x100000L) != 0L) {
                return jjStopAtPos(1, 20);
            }
            if ((active0 & 0x200000L) != 0L) {
                return jjStopAtPos(1, 21);
            }
            break;
        case 65:
            return jjMoveStringLiteralDfa2_0(active0, 0x800000L);
        case 69:
            return jjMoveStringLiteralDfa2_0(active0, 0x1000004000L);
        case 70:
            if ((active0 & 0x400L) != 0L) {
                return jjStartNfaWithStates_0(1, 10, 1);
            }
            break;
        case 72:
            return jjMoveStringLiteralDfa2_0(active0, 0x800L);
        case 73:
            if ((active0 & 0x2000L) != 0L) {
                return jjStartNfaWithStates_0(1, 13, 1);
            }
            break;
        case 76:
            return jjMoveStringLiteralDfa2_0(active0, 0x1000L);
        case 78:
            if ((active0 & 0x8000L) != 0L) {
                return jjStartNfaWithStates_0(1, 15, 1);
            }
            return jjMoveStringLiteralDfa2_0(active0, 0x2000000L);
        case 82:
            if ((active0 & 0x4000000L) != 0L) {
                return jjStartNfaWithStates_0(1, 26, 1);
            }
            return jjMoveStringLiteralDfa2_0(active0, 0x2001000000L);
        case 85:
            return jjMoveStringLiteralDfa2_0(active0, 0x200L);
        default:
            break;
        }
        return jjStartNfa_0(0, active0);
    }

    static private int jjMoveStringLiteralDfa2_0(final long old0, long active0) {
        if ((active0 &= old0) == 0L) {
            return jjStartNfa_0(0, old0);
        }
        try {
            curChar = ASCII_CharStream.readChar();
        } catch (final java.io.IOException e) {
            jjStopStringLiteralDfa_0(1, active0);
            return 2;
        }
        switch (curChar) {
        case 65:
            return jjMoveStringLiteralDfa3_0(active0, 0x1000000000L);
        case 68:
            if ((active0 & 0x2000000L) != 0L) {
                return jjStartNfaWithStates_0(2, 25, 1);
            }
            break;
        case 69:
            return jjMoveStringLiteralDfa3_0(active0, 0x800L);
        case 73:
            return jjMoveStringLiteralDfa3_0(active0, 0x2000000000L);
        case 76:
            return jjMoveStringLiteralDfa3_0(active0, 0x800000L);
        case 78:
            if ((active0 & 0x200L) != 0L) {
                return jjStartNfaWithStates_0(2, 9, 1);
            }
            break;
        case 83:
            return jjMoveStringLiteralDfa3_0(active0, 0x1000L);
        case 84:
            if ((active0 & 0x4000L) != 0L) {
                return jjStartNfaWithStates_0(2, 14, 1);
            }
            break;
        case 85:
            return jjMoveStringLiteralDfa3_0(active0, 0x1000000L);
        default:
            break;
        }
        return jjStartNfa_0(1, active0);
    }

    static private int jjMoveStringLiteralDfa3_0(final long old0, long active0) {
        if ((active0 &= old0) == 0L) {
            return jjStartNfa_0(1, old0);
        }
        try {
            curChar = ASCII_CharStream.readChar();
        } catch (final java.io.IOException e) {
            jjStopStringLiteralDfa_0(2, active0);
            return 3;
        }
        switch (curChar) {
        case 68:
            if ((active0 & 0x1000000000L) != 0L) {
                return jjStartNfaWithStates_0(3, 36, 1);
            }
            break;
        case 69:
            if ((active0 & 0x1000L) != 0L) {
                return jjStartNfaWithStates_0(3, 12, 1);
            }
            if ((active0 & 0x1000000L) != 0L) {
                return jjStartNfaWithStates_0(3, 24, 1);
            }
            break;
        case 78:
            if ((active0 & 0x800L) != 0L) {
                return jjStartNfaWithStates_0(3, 11, 1);
            }
            break;
        case 83:
            return jjMoveStringLiteralDfa4_0(active0, 0x800000L);
        case 84:
            return jjMoveStringLiteralDfa4_0(active0, 0x2000000000L);
        default:
            break;
        }
        return jjStartNfa_0(2, active0);
    }

    static private int jjMoveStringLiteralDfa4_0(final long old0, long active0) {
        if ((active0 &= old0) == 0L) {
            return jjStartNfa_0(2, old0);
        }
        try {
            curChar = ASCII_CharStream.readChar();
        } catch (final java.io.IOException e) {
            jjStopStringLiteralDfa_0(3, active0);
            return 4;
        }
        switch (curChar) {
        case 69:
            if ((active0 & 0x800000L) != 0L) {
                return jjStartNfaWithStates_0(4, 23, 1);
            }
            if ((active0 & 0x2000000000L) != 0L) {
                return jjStartNfaWithStates_0(4, 37, 1);
            }
            break;
        default:
            break;
        }
        return jjStartNfa_0(3, active0);
    }

    private static int jjStartNfa_0(final int pos, final long active0) {
        return jjMoveNfa_0(jjStopStringLiteralDfa_0(pos, active0), pos + 1);
    }

    static private int jjStartNfaWithStates_0(final int pos, final int kind, final int state) {
        jjmatchedKind = kind;
        jjmatchedPos = pos;
        try {
            curChar = ASCII_CharStream.readChar();
        } catch (final java.io.IOException e) {
            return pos + 1;
        }
        return jjMoveNfa_0(state, pos + 1);
    }

    static private int jjStopAtPos(final int pos, final int kind) {
        jjmatchedKind = kind;
        jjmatchedPos = pos;
        return pos + 1;
    }

    private static int jjStopStringLiteralDfa_0(final int pos, final long active0) {
        switch (pos) {
        case 0:
            if ((active0 & 0x300780fe00L) != 0L) {
                jjmatchedKind = 40;
                return 1;
            }
            return -1;
        case 1:
            if ((active0 & 0x400a400L) != 0L) {
                return 1;
            }
            if ((active0 & 0x3003805a00L) != 0L) {
                jjmatchedKind = 40;
                jjmatchedPos = 1;
                return 1;
            }
            return -1;
        case 2:
            if ((active0 & 0x2004200L) != 0L) {
                return 1;
            }
            if ((active0 & 0x3001801800L) != 0L) {
                jjmatchedKind = 40;
                jjmatchedPos = 2;
                return 1;
            }
            return -1;
        case 3:
            if ((active0 & 0x2000800000L) != 0L) {
                jjmatchedKind = 40;
                jjmatchedPos = 3;
                return 1;
            }
            if ((active0 & 0x1001001800L) != 0L) {
                return 1;
            }
            return -1;
        default:
            return -1;
        }
    }

    static public void ReInit(final ASCII_CharStream stream) {
        jjmatchedPos = jjnewStateCnt = 0;
        curLexState = defaultLexState;
        input_stream = stream;
        ReInitRounds();
    }

    static public void ReInit(final ASCII_CharStream stream, final int lexState) {
        ReInit(stream);
        SwitchTo(lexState);
    }

    static private void ReInitRounds() {
        int i;
        jjround = 0x80000001;
        for (i = 6; i-- > 0;) {
            jjrounds[i] = 0x80000000;
        }
    }

    static void SkipLexicalActions(final Token matchedToken) {
        switch (jjmatchedKind) {
        default:
            break;
        }
    }

    static public void SwitchTo(final int lexState) {
        if (lexState >= 2 || lexState < 0) {
            throw new TokenMgrError("Error: Ignoring invalid lexical state : " + lexState + ". State unchanged.", TokenMgrError.INVALID_LEXICAL_STATE);
        }
        curLexState = lexState;
    }

    public MiniParserTokenManager(final ASCII_CharStream stream) {
        if (input_stream != null) {
            throw new TokenMgrError("ERROR: Second call to constructor of static lexer. You must use ReInit() to initialize the static variables.",
                TokenMgrError.STATIC_LEXER_ERROR);
        }
        input_stream = stream;
    }

    public MiniParserTokenManager(final ASCII_CharStream stream, final int lexState) {
        this(stream);
        SwitchTo(lexState);
    }
}
