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Java ScanEnvironment类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment的典型用法代码示例。如果您正苦于以下问题:Java ScanEnvironment类的具体用法?Java ScanEnvironment怎么用?Java ScanEnvironment使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



ScanEnvironment类属于jdk.nashorn.internal.runtime.regexp.joni包,在下文中一共展示了ScanEnvironment类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: BackRefNode

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
public BackRefNode(final int backRef, final ScanEnvironment env) {
    this.backRef = backRef;

    if (backRef <= env.numMem && env.memNodes[backRef] == null) {
        setRecursion(); /* /...(\1).../ */
    }
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:8,代码来源:BackRefNode.java


示例2: nextStateClass

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
    if (arg.state == CCSTATE.RANGE) {
        throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
    }

    if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
        if (arg.type == CCVALTYPE.SB) {
            bs.set(arg.vs);
        } else if (arg.type == CCVALTYPE.CODE_POINT) {
            addCodeRange(env, arg.vs, arg.vs);
        }
    }
    arg.state = CCSTATE.VALUE;
    arg.type = CCVALTYPE.CLASS;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:16,代码来源:CClassNode.java


示例3: BackRefNode

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
public BackRefNode(int backRef, ScanEnvironment env) {
    this.backRef = backRef;

    if (backRef <= env.numMem && env.memNodes[backRef] == null) {
        setRecursion(); /* /...(\1).../ */
    }
}
 
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:8,代码来源:BackRefNode.java


示例4: addCodeRange

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
public void addCodeRange(final ScanEnvironment env, final int from, final int to) {
    mbuf = CodeRangeBuffer.addCodeRange(mbuf, env, from, to);
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:4,代码来源:CClassNode.java


示例5: nextStateValue

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
public void nextStateValue(final CCStateArg arg, final ScanEnvironment env) {

        switch(arg.state) {
        case VALUE:
            if (arg.type == CCVALTYPE.SB) {
                if (arg.vs > 0xff) {
                    throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
                }
                bs.set(arg.vs);
            } else if (arg.type == CCVALTYPE.CODE_POINT) {
                addCodeRange(env, arg.vs, arg.vs);
            }
            break;

        case RANGE:
            if (arg.inType == arg.type) {
                if (arg.inType == CCVALTYPE.SB) {
                    if (arg.vs > 0xff || arg.v > 0xff) {
                        throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
                    }

                    if (arg.vs > arg.v) {
                        if (env.syntax.allowEmptyRangeInCC()) {
                            // goto ccs_range_end
                            arg.state = CCSTATE.COMPLETE;
                            break;
                        }
                        throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
                    }
                    bs.setRange(arg.vs, arg.v);
                } else {
                    addCodeRange(env, arg.vs, arg.v);
                }
            } else {
                if (arg.vs > arg.v) {
                    if (env.syntax.allowEmptyRangeInCC()) {
                        // goto ccs_range_end
                        arg.state = CCSTATE.COMPLETE;
                        break;
                    }
                    throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
                }
                bs.setRange(arg.vs, arg.v < 0xff ? arg.v : 0xff);
                addCodeRange(env, arg.vs, arg.v);
            }
            // ccs_range_end:
            arg.state = CCSTATE.COMPLETE;
            break;

        case COMPLETE:
        case START:
            arg.state = CCSTATE.VALUE;
            break;

        default:
            break;

        } // switch

        arg.vsIsRaw = arg.vIsRaw;
        arg.vs = arg.v;
        arg.type = arg.inType;
    }
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:64,代码来源:CClassNode.java


示例6: setQuantifier

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
@SuppressWarnings("fallthrough")
public int setQuantifier(final Node tgt, final boolean group, final ScanEnvironment env, final char[] chars, final int p, final int end) {
    if (lower == 1 && upper == 1) {
        return 1;
    }

    switch(tgt.getType()) {

    case STR:
        if (!group) {
            final StringNode sn = (StringNode)tgt;
            if (sn.canBeSplit()) {
                final StringNode n = sn.splitLastChar();
                if (n != null) {
                    setTarget(n);
                    return 2;
                }
            }
        }
        break;

    case QTFR:
        /* check redundant double repeat. */
        /* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
        final QuantifierNode qnt = (QuantifierNode)tgt;
        final int nestQNum = popularNum();
        final int targetQNum = qnt.popularNum();

        if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
            if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
                switch(REDUCE_TABLE[targetQNum][nestQNum]) {
                case ASIS:
                    break;

                case DEL:
                    env.reg.getWarnings().warn(new String(chars, p, end) +
                            " redundant nested repeat operator");
                    break;

                default:
                    env.reg.getWarnings().warn(new String(chars, p, end) +
                            " nested repeat operator " + PopularQStr[targetQNum] +
                            " and " + PopularQStr[nestQNum] + " was replaced with '" +
                            ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
                }
            }
        } // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR

        if (targetQNum >= 0) {
            if (nestQNum >= 0) {
                reduceNestedQuantifier(qnt);
                return 0;
            } else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
                /* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
                if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
                    upper = lower == 0 ? 1 : lower;
                }
            }
        }

    default:
        break;
    }

    setTarget(tgt);
    return 0;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:68,代码来源:QuantifierNode.java


示例7: setQuantifier

import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment; //导入依赖的package包/类
@SuppressWarnings("fallthrough")
public int setQuantifier(Node tgt, boolean group, ScanEnvironment env, char[] chars, int p, int end) {
    if (lower == 1 && upper == 1) return 1;

    switch(tgt.getType()) {

    case STR:
        if (!group) {
            StringNode sn = (StringNode)tgt;
            if (sn.canBeSplit()) {
                StringNode n = sn.splitLastChar();
                if (n != null) {
                    setTarget(n);
                    return 2;
                }
            }
        }
        break;

    case QTFR:
        /* check redundant double repeat. */
        /* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
        QuantifierNode qnt = (QuantifierNode)tgt;
        int nestQNum = popularNum();
        int targetQNum = qnt.popularNum();

        if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
            if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
                switch(REDUCE_TABLE[targetQNum][nestQNum]) {
                case ASIS:
                    break;

                case DEL:
                    env.reg.getWarnings().warn(new String(chars, p, end) +
                            " redundant nested repeat operator");
                    break;

                default:
                    env.reg.getWarnings().warn(new String(chars, p, end) +
                            " nested repeat operator " + PopularQStr[targetQNum] +
                            " and " + PopularQStr[nestQNum] + " was replaced with '" +
                            ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
                }
            }
        } // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR

        if (targetQNum >= 0) {
            if (nestQNum >= 0) {
                reduceNestedQuantifier(qnt);
                return 0;
            } else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
                /* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
                if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
                    upper = lower == 0 ? 1 : lower;
                }
            }
        }

    default:
        break;
    }

    setTarget(tgt);
    return 0;
}
 
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:66,代码来源:QuantifierNode.java



注:本文中的jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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