Java Code Examples for jdk.nashorn.internal.runtime.regexp.joni.constants.AnchorType#END_LINE

The following examples show how to use jdk.nashorn.internal.runtime.regexp.joni.constants.AnchorType#END_LINE . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: OptAnchorInfo.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up
static String anchorToString(final int anchor) {
    final StringBuffer s = new StringBuffer("[");

    if ((anchor & AnchorType.BEGIN_BUF) !=0 ) {
        s.append("begin-buf ");
    }
    if ((anchor & AnchorType.BEGIN_LINE) !=0 ) {
        s.append("begin-line ");
    }
    if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) {
        s.append("begin-pos ");
    }
    if ((anchor & AnchorType.END_BUF) !=0 ) {
        s.append("end-buf ");
    }
    if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) {
        s.append("semi-end-buf ");
    }
    if ((anchor & AnchorType.END_LINE) !=0 ) {
        s.append("end-line ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) {
        s.append("anychar-star ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) {
        s.append("anychar-star-pl ");
    }
    s.append("]");

    return s.toString();
}
 
Example 2
Source File: OptAnchorInfo.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up
static String anchorToString(final int anchor) {
    final StringBuffer s = new StringBuffer("[");

    if ((anchor & AnchorType.BEGIN_BUF) !=0 ) {
        s.append("begin-buf ");
    }
    if ((anchor & AnchorType.BEGIN_LINE) !=0 ) {
        s.append("begin-line ");
    }
    if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) {
        s.append("begin-pos ");
    }
    if ((anchor & AnchorType.END_BUF) !=0 ) {
        s.append("end-buf ");
    }
    if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) {
        s.append("semi-end-buf ");
    }
    if ((anchor & AnchorType.END_LINE) !=0 ) {
        s.append("end-line ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) {
        s.append("anychar-star ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) {
        s.append("anychar-star-pl ");
    }
    s.append("]");

    return s.toString();
}
 
Example 3
Source File: OptAnchorInfo.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up
static String anchorToString(final int anchor) {
    final StringBuffer s = new StringBuffer("[");

    if ((anchor & AnchorType.BEGIN_BUF) !=0 ) {
        s.append("begin-buf ");
    }
    if ((anchor & AnchorType.BEGIN_LINE) !=0 ) {
        s.append("begin-line ");
    }
    if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) {
        s.append("begin-pos ");
    }
    if ((anchor & AnchorType.END_BUF) !=0 ) {
        s.append("end-buf ");
    }
    if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) {
        s.append("semi-end-buf ");
    }
    if ((anchor & AnchorType.END_LINE) !=0 ) {
        s.append("end-line ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) {
        s.append("anychar-star ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) {
        s.append("anychar-star-pl ");
    }
    s.append("]");

    return s.toString();
}
 
Example 4
Source File: OptAnchorInfo.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up
static String anchorToString(final int anchor) {
    final StringBuffer s = new StringBuffer("[");

    if ((anchor & AnchorType.BEGIN_BUF) !=0 ) {
        s.append("begin-buf ");
    }
    if ((anchor & AnchorType.BEGIN_LINE) !=0 ) {
        s.append("begin-line ");
    }
    if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) {
        s.append("begin-pos ");
    }
    if ((anchor & AnchorType.END_BUF) !=0 ) {
        s.append("end-buf ");
    }
    if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) {
        s.append("semi-end-buf ");
    }
    if ((anchor & AnchorType.END_LINE) !=0 ) {
        s.append("end-line ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) {
        s.append("anychar-star ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) {
        s.append("anychar-star-pl ");
    }
    s.append("]");

    return s.toString();
}
 
Example 5
Source File: OptAnchorInfo.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up
static String anchorToString(int anchor) {
    StringBuffer s = new StringBuffer("[");

    if ((anchor & AnchorType.BEGIN_BUF) !=0 ) s.append("begin-buf ");
    if ((anchor & AnchorType.BEGIN_LINE) !=0 ) s.append("begin-line ");
    if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) s.append("begin-pos ");
    if ((anchor & AnchorType.END_BUF) !=0 ) s.append("end-buf ");
    if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) s.append("semi-end-buf ");
    if ((anchor & AnchorType.END_LINE) !=0 ) s.append("end-line ");
    if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) s.append("anychar-star ");
    if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) s.append("anychar-star-pl ");
    s.append("]");

    return s.toString();
}
 
Example 6
Source File: OptAnchorInfo.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up
static String anchorToString(final int anchor) {
    final StringBuffer s = new StringBuffer("[");

    if ((anchor & AnchorType.BEGIN_BUF) !=0 ) {
        s.append("begin-buf ");
    }
    if ((anchor & AnchorType.BEGIN_LINE) !=0 ) {
        s.append("begin-line ");
    }
    if ((anchor & AnchorType.BEGIN_POSITION) !=0 ) {
        s.append("begin-pos ");
    }
    if ((anchor & AnchorType.END_BUF) !=0 ) {
        s.append("end-buf ");
    }
    if ((anchor & AnchorType.SEMI_END_BUF) !=0 ) {
        s.append("semi-end-buf ");
    }
    if ((anchor & AnchorType.END_LINE) !=0 ) {
        s.append("end-line ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR) !=0 ) {
        s.append("anychar-star ");
    }
    if ((anchor & AnchorType.ANYCHAR_STAR_ML) !=0 ) {
        s.append("anychar-star-pl ");
    }
    s.append("]");

    return s.toString();
}
 
Example 7
Source File: ArrayCompiler.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
@Override
protected void compileAnchorNode(AnchorNode node) {
    int len;
    int n;

    switch (node.type) {
    case AnchorType.BEGIN_BUF:          addOpcode(OPCode.BEGIN_BUF);            break;
    case AnchorType.END_BUF:            addOpcode(OPCode.END_BUF);              break;
    case AnchorType.BEGIN_LINE:         addOpcode(OPCode.BEGIN_LINE);           break;
    case AnchorType.END_LINE:           addOpcode(OPCode.END_LINE);             break;
    case AnchorType.SEMI_END_BUF:       addOpcode(OPCode.SEMI_END_BUF);         break;
    case AnchorType.BEGIN_POSITION:     addOpcode(OPCode.BEGIN_POSITION);       break;

    case AnchorType.WORD_BOUND:
        addOpcode(OPCode.WORD_BOUND);
        break;

    case AnchorType.NOT_WORD_BOUND:
        addOpcode(OPCode.NOT_WORD_BOUND);
        break;

    case AnchorType.WORD_BEGIN:
        if (Config.USE_WORD_BEGIN_END)
            addOpcode(OPCode.WORD_BEGIN);
        break;

    case AnchorType.WORD_END:
        if (Config.USE_WORD_BEGIN_END)
            addOpcode(OPCode.WORD_END);
        break;

    case AnchorType.PREC_READ:
        addOpcode(OPCode.PUSH_POS);
        compileTree(node.target);
        addOpcode(OPCode.POP_POS);
        break;

    case AnchorType.PREC_READ_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_POS_NOT, len + OPSize.FAIL_POS);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_POS);
        break;

    case AnchorType.LOOK_BEHIND:
        addOpcode(OPCode.LOOK_BEHIND);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        break;

    case AnchorType.LOOK_BEHIND_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_LOOK_BEHIND_NOT, len + OPSize.FAIL_LOOK_BEHIND_NOT);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_LOOK_BEHIND_NOT);
        break;

    default:
        newInternalException(ERR_PARSER_BUG);
    } // switch
}
 
Example 8
Source File: Regex.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
void setSubAnchor(OptAnchorInfo anc) {
    subAnchor |= anc.leftAnchor & AnchorType.BEGIN_LINE;
    subAnchor |= anc.rightAnchor & AnchorType.END_LINE;
}
 
Example 9
Source File: Regex.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
void setSubAnchor(OptAnchorInfo anc) {
    subAnchor |= anc.leftAnchor & AnchorType.BEGIN_LINE;
    subAnchor |= anc.rightAnchor & AnchorType.END_LINE;
}
 
Example 10
Source File: ArrayCompiler.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
@Override
protected void compileAnchorNode(final AnchorNode node) {
    int len;
    int n;

    switch (node.type) {
    case AnchorType.BEGIN_BUF:          addOpcode(OPCode.BEGIN_BUF);            break;
    case AnchorType.END_BUF:            addOpcode(OPCode.END_BUF);              break;
    case AnchorType.BEGIN_LINE:         addOpcode(OPCode.BEGIN_LINE);           break;
    case AnchorType.END_LINE:           addOpcode(OPCode.END_LINE);             break;
    case AnchorType.SEMI_END_BUF:       addOpcode(OPCode.SEMI_END_BUF);         break;
    case AnchorType.BEGIN_POSITION:     addOpcode(OPCode.BEGIN_POSITION);       break;

    case AnchorType.WORD_BOUND:
        addOpcode(OPCode.WORD_BOUND);
        break;

    case AnchorType.NOT_WORD_BOUND:
        addOpcode(OPCode.NOT_WORD_BOUND);
        break;

    case AnchorType.WORD_BEGIN:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_BEGIN);
        }
        break;

    case AnchorType.WORD_END:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_END);
        }
        break;

    case AnchorType.PREC_READ:
        addOpcode(OPCode.PUSH_POS);
        compileTree(node.target);
        addOpcode(OPCode.POP_POS);
        break;

    case AnchorType.PREC_READ_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_POS_NOT, len + OPSize.FAIL_POS);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_POS);
        break;

    case AnchorType.LOOK_BEHIND:
        addOpcode(OPCode.LOOK_BEHIND);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        break;

    case AnchorType.LOOK_BEHIND_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_LOOK_BEHIND_NOT, len + OPSize.FAIL_LOOK_BEHIND_NOT);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_LOOK_BEHIND_NOT);
        break;

    default:
        newInternalException(ERR_PARSER_BUG);
    } // switch
}
 
Example 11
Source File: Analyser.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up
@SuppressWarnings("unused")
protected final void setOptimizedInfoFromTree(final Node node) {
    final NodeOptInfo opt = new NodeOptInfo();
    final OptEnvironment oenv = new OptEnvironment();

    oenv.options = regex.options;
    oenv.caseFoldFlag = regex.caseFoldFlag;
    oenv.scanEnv = env;
    oenv.mmd.clear(); // ??

    optimizeNodeLeft(node, opt, oenv);

    regex.anchor = opt.anchor.leftAnchor & (AnchorType.BEGIN_BUF |
                                            AnchorType.BEGIN_POSITION |
                                            AnchorType.ANYCHAR_STAR |
                                            AnchorType.ANYCHAR_STAR_ML);

    regex.anchor |= opt.anchor.rightAnchor & (AnchorType.END_BUF |
                                              AnchorType.SEMI_END_BUF);

    if ((regex.anchor & (AnchorType.END_BUF | AnchorType.SEMI_END_BUF)) != 0) {
        regex.anchorDmin = opt.length.min;
        regex.anchorDmax = opt.length.max;
    }

    if (opt.exb.length > 0 || opt.exm.length > 0) {
        opt.exb.select(opt.exm);
        if (opt.map.value > 0 && opt.exb.compare(opt.map) > 0) {
            // !goto set_map;!
            regex.setOptimizeMapInfo(opt.map);
            regex.setSubAnchor(opt.map.anchor);
        } else {
            regex.setExactInfo(opt.exb);
            regex.setSubAnchor(opt.exb.anchor);
        }
    } else if (opt.map.value > 0) {
        // !set_map:!
        regex.setOptimizeMapInfo(opt.map);
        regex.setSubAnchor(opt.map.anchor);
    } else {
        regex.subAnchor |= opt.anchor.leftAnchor & AnchorType.BEGIN_LINE;
        if (opt.length.max == 0) {
            regex.subAnchor |= opt.anchor.rightAnchor & AnchorType.END_LINE;
        }
    }

    if (Config.DEBUG_COMPILE || Config.DEBUG_MATCH) {
        Config.log.println(regex.optimizeInfoToString());
    }
}
 
Example 12
Source File: Regex.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
void setSubAnchor(final OptAnchorInfo anc) {
    subAnchor |= anc.leftAnchor & AnchorType.BEGIN_LINE;
    subAnchor |= anc.rightAnchor & AnchorType.END_LINE;
}
 
Example 13
Source File: ArrayCompiler.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
@Override
protected void compileAnchorNode(final AnchorNode node) {
    int len;
    int n;

    switch (node.type) {
    case AnchorType.BEGIN_BUF:          addOpcode(OPCode.BEGIN_BUF);            break;
    case AnchorType.END_BUF:            addOpcode(OPCode.END_BUF);              break;
    case AnchorType.BEGIN_LINE:         addOpcode(OPCode.BEGIN_LINE);           break;
    case AnchorType.END_LINE:           addOpcode(OPCode.END_LINE);             break;
    case AnchorType.SEMI_END_BUF:       addOpcode(OPCode.SEMI_END_BUF);         break;
    case AnchorType.BEGIN_POSITION:     addOpcode(OPCode.BEGIN_POSITION);       break;

    case AnchorType.WORD_BOUND:
        addOpcode(OPCode.WORD_BOUND);
        break;

    case AnchorType.NOT_WORD_BOUND:
        addOpcode(OPCode.NOT_WORD_BOUND);
        break;

    case AnchorType.WORD_BEGIN:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_BEGIN);
        }
        break;

    case AnchorType.WORD_END:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_END);
        }
        break;

    case AnchorType.PREC_READ:
        addOpcode(OPCode.PUSH_POS);
        compileTree(node.target);
        addOpcode(OPCode.POP_POS);
        break;

    case AnchorType.PREC_READ_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_POS_NOT, len + OPSize.FAIL_POS);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_POS);
        break;

    case AnchorType.LOOK_BEHIND:
        addOpcode(OPCode.LOOK_BEHIND);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        break;

    case AnchorType.LOOK_BEHIND_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_LOOK_BEHIND_NOT, len + OPSize.FAIL_LOOK_BEHIND_NOT);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_LOOK_BEHIND_NOT);
        break;

    default:
        newInternalException(ERR_PARSER_BUG);
    } // switch
}
 
Example 14
Source File: Analyser.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
protected final void setOptimizedInfoFromTree(Node node) {
    NodeOptInfo opt = new NodeOptInfo();
    OptEnvironment oenv = new OptEnvironment();

    oenv.options = regex.options;
    oenv.caseFoldFlag = regex.caseFoldFlag;
    oenv.scanEnv = env;
    oenv.mmd.clear(); // ??

    optimizeNodeLeft(node, opt, oenv);

    regex.anchor = opt.anchor.leftAnchor & (AnchorType.BEGIN_BUF |
                                            AnchorType.BEGIN_POSITION |
                                            AnchorType.ANYCHAR_STAR |
                                            AnchorType.ANYCHAR_STAR_ML);

    regex.anchor |= opt.anchor.rightAnchor & (AnchorType.END_BUF |
                                              AnchorType.SEMI_END_BUF);

    if ((regex.anchor & (AnchorType.END_BUF | AnchorType.SEMI_END_BUF)) != 0) {
        regex.anchorDmin = opt.length.min;
        regex.anchorDmax = opt.length.max;
    }

    if (opt.exb.length > 0 || opt.exm.length > 0) {
        opt.exb.select(opt.exm);
        if (opt.map.value > 0 && opt.exb.compare(opt.map) > 0) {
            // !goto set_map;!
            regex.setOptimizeMapInfo(opt.map);
            regex.setSubAnchor(opt.map.anchor);
        } else {
            regex.setExactInfo(opt.exb);
            regex.setSubAnchor(opt.exb.anchor);
        }
    } else if (opt.map.value > 0) {
        // !set_map:!
        regex.setOptimizeMapInfo(opt.map);
        regex.setSubAnchor(opt.map.anchor);
    } else {
        regex.subAnchor |= opt.anchor.leftAnchor & AnchorType.BEGIN_LINE;
        if (opt.length.max == 0) regex.subAnchor |= opt.anchor.rightAnchor & AnchorType.END_LINE;
    }

    if (Config.DEBUG_COMPILE || Config.DEBUG_MATCH) {
        Config.log.println(regex.optimizeInfoToString());
    }
}
 
Example 15
Source File: Regex.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
void setSubAnchor(final OptAnchorInfo anc) {
    subAnchor |= anc.leftAnchor & AnchorType.BEGIN_LINE;
    subAnchor |= anc.rightAnchor & AnchorType.END_LINE;
}
 
Example 16
Source File: ArrayCompiler.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
@Override
protected void compileAnchorNode(AnchorNode node) {
    int len;
    int n;

    switch (node.type) {
    case AnchorType.BEGIN_BUF:          addOpcode(OPCode.BEGIN_BUF);            break;
    case AnchorType.END_BUF:            addOpcode(OPCode.END_BUF);              break;
    case AnchorType.BEGIN_LINE:         addOpcode(OPCode.BEGIN_LINE);           break;
    case AnchorType.END_LINE:           addOpcode(OPCode.END_LINE);             break;
    case AnchorType.SEMI_END_BUF:       addOpcode(OPCode.SEMI_END_BUF);         break;
    case AnchorType.BEGIN_POSITION:     addOpcode(OPCode.BEGIN_POSITION);       break;

    case AnchorType.WORD_BOUND:
        addOpcode(OPCode.WORD_BOUND);
        break;

    case AnchorType.NOT_WORD_BOUND:
        addOpcode(OPCode.NOT_WORD_BOUND);
        break;

    case AnchorType.WORD_BEGIN:
        if (Config.USE_WORD_BEGIN_END)
            addOpcode(OPCode.WORD_BEGIN);
        break;

    case AnchorType.WORD_END:
        if (Config.USE_WORD_BEGIN_END)
            addOpcode(OPCode.WORD_END);
        break;

    case AnchorType.PREC_READ:
        addOpcode(OPCode.PUSH_POS);
        compileTree(node.target);
        addOpcode(OPCode.POP_POS);
        break;

    case AnchorType.PREC_READ_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_POS_NOT, len + OPSize.FAIL_POS);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_POS);
        break;

    case AnchorType.LOOK_BEHIND:
        addOpcode(OPCode.LOOK_BEHIND);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        break;

    case AnchorType.LOOK_BEHIND_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_LOOK_BEHIND_NOT, len + OPSize.FAIL_LOOK_BEHIND_NOT);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_LOOK_BEHIND_NOT);
        break;

    default:
        newInternalException(ERR_PARSER_BUG);
    } // switch
}
 
Example 17
Source File: ArrayCompiler.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up
@Override
protected void compileAnchorNode(final AnchorNode node) {
    int len;
    int n;

    switch (node.type) {
    case AnchorType.BEGIN_BUF:          addOpcode(OPCode.BEGIN_BUF);            break;
    case AnchorType.END_BUF:            addOpcode(OPCode.END_BUF);              break;
    case AnchorType.BEGIN_LINE:         addOpcode(OPCode.BEGIN_LINE);           break;
    case AnchorType.END_LINE:           addOpcode(OPCode.END_LINE);             break;
    case AnchorType.SEMI_END_BUF:       addOpcode(OPCode.SEMI_END_BUF);         break;
    case AnchorType.BEGIN_POSITION:     addOpcode(OPCode.BEGIN_POSITION);       break;

    case AnchorType.WORD_BOUND:
        addOpcode(OPCode.WORD_BOUND);
        break;

    case AnchorType.NOT_WORD_BOUND:
        addOpcode(OPCode.NOT_WORD_BOUND);
        break;

    case AnchorType.WORD_BEGIN:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_BEGIN);
        }
        break;

    case AnchorType.WORD_END:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_END);
        }
        break;

    case AnchorType.PREC_READ:
        addOpcode(OPCode.PUSH_POS);
        compileTree(node.target);
        addOpcode(OPCode.POP_POS);
        break;

    case AnchorType.PREC_READ_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_POS_NOT, len + OPSize.FAIL_POS);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_POS);
        break;

    case AnchorType.LOOK_BEHIND:
        addOpcode(OPCode.LOOK_BEHIND);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        break;

    case AnchorType.LOOK_BEHIND_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_LOOK_BEHIND_NOT, len + OPSize.FAIL_LOOK_BEHIND_NOT);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_LOOK_BEHIND_NOT);
        break;

    default:
        newInternalException(ERR_PARSER_BUG);
    } // switch
}
 
Example 18
Source File: Analyser.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
@SuppressWarnings("unused")
protected final void setOptimizedInfoFromTree(final Node node) {
    final NodeOptInfo opt = new NodeOptInfo();
    final OptEnvironment oenv = new OptEnvironment();

    oenv.options = regex.options;
    oenv.caseFoldFlag = regex.caseFoldFlag;
    oenv.scanEnv = env;
    oenv.mmd.clear(); // ??

    optimizeNodeLeft(node, opt, oenv);

    regex.anchor = opt.anchor.leftAnchor & (AnchorType.BEGIN_BUF |
                                            AnchorType.BEGIN_POSITION |
                                            AnchorType.ANYCHAR_STAR |
                                            AnchorType.ANYCHAR_STAR_ML);

    regex.anchor |= opt.anchor.rightAnchor & (AnchorType.END_BUF |
                                              AnchorType.SEMI_END_BUF);

    if ((regex.anchor & (AnchorType.END_BUF | AnchorType.SEMI_END_BUF)) != 0) {
        regex.anchorDmin = opt.length.min;
        regex.anchorDmax = opt.length.max;
    }

    if (opt.exb.length > 0 || opt.exm.length > 0) {
        opt.exb.select(opt.exm);
        if (opt.map.value > 0 && opt.exb.compare(opt.map) > 0) {
            // !goto set_map;!
            regex.setOptimizeMapInfo(opt.map);
            regex.setSubAnchor(opt.map.anchor);
        } else {
            regex.setExactInfo(opt.exb);
            regex.setSubAnchor(opt.exb.anchor);
        }
    } else if (opt.map.value > 0) {
        // !set_map:!
        regex.setOptimizeMapInfo(opt.map);
        regex.setSubAnchor(opt.map.anchor);
    } else {
        regex.subAnchor |= opt.anchor.leftAnchor & AnchorType.BEGIN_LINE;
        if (opt.length.max == 0) {
            regex.subAnchor |= opt.anchor.rightAnchor & AnchorType.END_LINE;
        }
    }

    if (Config.DEBUG_COMPILE || Config.DEBUG_MATCH) {
        Config.log.println(regex.optimizeInfoToString());
    }
}
 
Example 19
Source File: Analyser.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
@SuppressWarnings("unused")
protected final void setOptimizedInfoFromTree(final Node node) {
    final NodeOptInfo opt = new NodeOptInfo();
    final OptEnvironment oenv = new OptEnvironment();

    oenv.options = regex.options;
    oenv.caseFoldFlag = regex.caseFoldFlag;
    oenv.scanEnv = env;
    oenv.mmd.clear(); // ??

    optimizeNodeLeft(node, opt, oenv);

    regex.anchor = opt.anchor.leftAnchor & (AnchorType.BEGIN_BUF |
                                            AnchorType.BEGIN_POSITION |
                                            AnchorType.ANYCHAR_STAR |
                                            AnchorType.ANYCHAR_STAR_ML);

    regex.anchor |= opt.anchor.rightAnchor & (AnchorType.END_BUF |
                                              AnchorType.SEMI_END_BUF);

    if ((regex.anchor & (AnchorType.END_BUF | AnchorType.SEMI_END_BUF)) != 0) {
        regex.anchorDmin = opt.length.min;
        regex.anchorDmax = opt.length.max;
    }

    if (opt.exb.length > 0 || opt.exm.length > 0) {
        opt.exb.select(opt.exm);
        if (opt.map.value > 0 && opt.exb.compare(opt.map) > 0) {
            // !goto set_map;!
            regex.setOptimizeMapInfo(opt.map);
            regex.setSubAnchor(opt.map.anchor);
        } else {
            regex.setExactInfo(opt.exb);
            regex.setSubAnchor(opt.exb.anchor);
        }
    } else if (opt.map.value > 0) {
        // !set_map:!
        regex.setOptimizeMapInfo(opt.map);
        regex.setSubAnchor(opt.map.anchor);
    } else {
        regex.subAnchor |= opt.anchor.leftAnchor & AnchorType.BEGIN_LINE;
        if (opt.length.max == 0) {
            regex.subAnchor |= opt.anchor.rightAnchor & AnchorType.END_LINE;
        }
    }

    if (Config.DEBUG_COMPILE || Config.DEBUG_MATCH) {
        Config.log.println(regex.optimizeInfoToString());
    }
}
 
Example 20
Source File: ArrayCompiler.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
@Override
protected void compileAnchorNode(final AnchorNode node) {
    int len;
    int n;

    switch (node.type) {
    case AnchorType.BEGIN_BUF:          addOpcode(OPCode.BEGIN_BUF);            break;
    case AnchorType.END_BUF:            addOpcode(OPCode.END_BUF);              break;
    case AnchorType.BEGIN_LINE:         addOpcode(OPCode.BEGIN_LINE);           break;
    case AnchorType.END_LINE:           addOpcode(OPCode.END_LINE);             break;
    case AnchorType.SEMI_END_BUF:       addOpcode(OPCode.SEMI_END_BUF);         break;
    case AnchorType.BEGIN_POSITION:     addOpcode(OPCode.BEGIN_POSITION);       break;

    case AnchorType.WORD_BOUND:
        addOpcode(OPCode.WORD_BOUND);
        break;

    case AnchorType.NOT_WORD_BOUND:
        addOpcode(OPCode.NOT_WORD_BOUND);
        break;

    case AnchorType.WORD_BEGIN:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_BEGIN);
        }
        break;

    case AnchorType.WORD_END:
        if (Config.USE_WORD_BEGIN_END) {
            addOpcode(OPCode.WORD_END);
        }
        break;

    case AnchorType.PREC_READ:
        addOpcode(OPCode.PUSH_POS);
        compileTree(node.target);
        addOpcode(OPCode.POP_POS);
        break;

    case AnchorType.PREC_READ_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_POS_NOT, len + OPSize.FAIL_POS);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_POS);
        break;

    case AnchorType.LOOK_BEHIND:
        addOpcode(OPCode.LOOK_BEHIND);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        break;

    case AnchorType.LOOK_BEHIND_NOT:
        len = compileLengthTree(node.target);
        addOpcodeRelAddr(OPCode.PUSH_LOOK_BEHIND_NOT, len + OPSize.FAIL_LOOK_BEHIND_NOT);
        if (node.charLength < 0) {
            n = analyser.getCharLengthTree(node.target);
            if (analyser.returnCode != 0) {
                newSyntaxException(ERR_INVALID_LOOK_BEHIND_PATTERN);
            }
        } else {
            n = node.charLength;
        }
        addLength(n);
        compileTree(node.target);
        addOpcode(OPCode.FAIL_LOOK_BEHIND_NOT);
        break;

    default:
        newInternalException(ERR_PARSER_BUG);
    } // switch
}