本文整理汇总了Java中jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode类的典型用法代码示例。如果您正苦于以下问题:Java QuantifierNode类的具体用法?Java QuantifierNode怎么用?Java QuantifierNode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。
QuantifierNode类属于jdk.nashorn.internal.runtime.regexp.joni.ast包,在下文中一共展示了QuantifierNode类的8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: compileRangeRepeatNode
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private void compileRangeRepeatNode(final QuantifierNode qn, final int targetLen, final int emptyInfo) {
final int numRepeat = regex.numRepeat;
addOpcode(qn.greedy ? OPCode.REPEAT : OPCode.REPEAT_NG);
addMemNum(numRepeat); /* OP_REPEAT ID */
regex.numRepeat++;
addRelAddr(targetLen + OPSize.REPEAT_INC);
entryRepeatRange(numRepeat, qn.lower, qn.upper);
compileTreeEmptyCheck(qn.target, emptyInfo);
if (qn.isInRepeat()) {
addOpcode(qn.greedy ? OPCode.REPEAT_INC_SG : OPCode.REPEAT_INC_NG_SG);
} else {
addOpcode(qn.greedy ? OPCode.REPEAT_INC : OPCode.REPEAT_INC_NG);
}
addMemNum(numRepeat); /* OP_REPEAT ID */
}
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:20,代码来源:ArrayCompiler.java
示例2: compileRangeRepeatNode
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private void compileRangeRepeatNode(QuantifierNode qn, int targetLen, int emptyInfo) {
int numRepeat = regex.numRepeat;
addOpcode(qn.greedy ? OPCode.REPEAT : OPCode.REPEAT_NG);
addMemNum(numRepeat); /* OP_REPEAT ID */
regex.numRepeat++;
addRelAddr(targetLen + OPSize.REPEAT_INC);
entryRepeatRange(numRepeat, qn.lower, qn.upper);
compileTreeEmptyCheck(qn.target, emptyInfo);
if (qn.isInRepeat()) {
addOpcode(qn.greedy ? OPCode.REPEAT_INC_SG : OPCode.REPEAT_INC_NG_SG);
} else {
addOpcode(qn.greedy ? OPCode.REPEAT_INC : OPCode.REPEAT_INC_NG);
}
addMemNum(numRepeat); /* OP_REPEAT ID */
}
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:20,代码来源:ArrayCompiler.java
示例3: compileLengthEncloseNode
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private int compileLengthEncloseNode(final EncloseNode node) {
if (node.isOption()) {
return compileLengthOptionNode(node);
}
int tlen;
if (node.target != null) {
tlen = compileLengthTree(node.target);
} else {
tlen = 0;
}
int len;
switch (node.type) {
case EncloseType.MEMORY:
if (bsAt(regex.btMemStart, node.regNum)) {
len = OPSize.MEMORY_START_PUSH;
} else {
len = OPSize.MEMORY_START;
}
len += tlen + (bsAt(regex.btMemEnd, node.regNum) ? OPSize.MEMORY_END_PUSH : OPSize.MEMORY_END);
break;
case EncloseType.STOP_BACKTRACK:
if (node.isStopBtSimpleRepeat()) {
final QuantifierNode qn = (QuantifierNode)node.target;
tlen = compileLengthTree(qn.target);
len = tlen * qn.lower + OPSize.PUSH + tlen + OPSize.POP + OPSize.JUMP;
} else {
len = OPSize.PUSH_STOP_BT + tlen + OPSize.POP_STOP_BT;
}
break;
default:
newInternalException(ERR_PARSER_BUG);
return 0; // not reached
} // switch
return len;
}
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:40,代码来源:ArrayCompiler.java
示例4: parseExpRepeat
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private Node parseExpRepeat(final Node targetp, final boolean group) {
Node target = targetp;
while (token.type == TokenType.OP_REPEAT || token.type == TokenType.INTERVAL) { // repeat:
if (target.isInvalidQuantifier()) {
throw new SyntaxException(ERR_TARGET_OF_REPEAT_OPERATOR_INVALID);
}
final QuantifierNode qtfr = new QuantifierNode(token.getRepeatLower(),
token.getRepeatUpper(),
token.type == TokenType.INTERVAL);
qtfr.greedy = token.getRepeatGreedy();
final int ret = qtfr.setQuantifier(target, group, env, chars, getBegin(), getEnd());
Node qn = qtfr;
if (token.getRepeatPossessive()) {
final EncloseNode en = new EncloseNode(EncloseType.STOP_BACKTRACK); // node_new_enclose
en.setTarget(qn);
qn = en;
}
if (ret == 0) {
target = qn;
} else if (ret == 2) { /* split case: /abc+/ */
target = ConsAltNode.newListNode(target, null);
final ConsAltNode tmp = ((ConsAltNode)target).setCdr(ConsAltNode.newListNode(qn, null));
fetchToken();
return parseExpRepeatForCar(target, tmp, group);
}
fetchToken(); // goto re_entry
}
return target;
}
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:35,代码来源:Parser.java
示例5: fetchTokenFor_metaChars
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private void fetchTokenFor_metaChars() {
if (c == syntax.metaCharTable.anyChar) {
token.type = TokenType.ANYCHAR;
} else if (c == syntax.metaCharTable.anyTime) {
fetchTokenFor_repeat(0, QuantifierNode.REPEAT_INFINITE);
} else if (c == syntax.metaCharTable.zeroOrOneTime) {
fetchTokenFor_repeat(0, 1);
} else if (c == syntax.metaCharTable.oneOrMoreTime) {
fetchTokenFor_repeat(1, QuantifierNode.REPEAT_INFINITE);
} else if (c == syntax.metaCharTable.anyCharAnyTime) {
token.type = TokenType.ANYCHAR_ANYTIME;
// goto out
}
}
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:15,代码来源:Lexer.java
示例6: compileLengthEncloseNode
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private int compileLengthEncloseNode(EncloseNode node) {
if (node.isOption()) {
return compileLengthOptionNode(node);
}
int tlen;
if (node.target != null) {
tlen = compileLengthTree(node.target);
} else {
tlen = 0;
}
int len;
switch (node.type) {
case EncloseType.MEMORY:
if (bsAt(regex.btMemStart, node.regNum)) {
len = OPSize.MEMORY_START_PUSH;
} else {
len = OPSize.MEMORY_START;
}
len += tlen + (bsAt(regex.btMemEnd, node.regNum) ? OPSize.MEMORY_END_PUSH : OPSize.MEMORY_END);
break;
case EncloseType.STOP_BACKTRACK:
if (node.isStopBtSimpleRepeat()) {
QuantifierNode qn = (QuantifierNode)node.target;
tlen = compileLengthTree(qn.target);
len = tlen * qn.lower + OPSize.PUSH + tlen + OPSize.POP + OPSize.JUMP;
} else {
len = OPSize.PUSH_STOP_BT + tlen + OPSize.POP_STOP_BT;
}
break;
default:
newInternalException(ERR_PARSER_BUG);
return 0; // not reached
} // switch
return len;
}
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:40,代码来源:ArrayCompiler.java
示例7: parseExpRepeat
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private Node parseExpRepeat(Node target, boolean group) {
while (token.type == TokenType.OP_REPEAT || token.type == TokenType.INTERVAL) { // repeat:
if (target.isInvalidQuantifier()) {
throw new SyntaxException(ERR_TARGET_OF_REPEAT_OPERATOR_INVALID);
}
QuantifierNode qtfr = new QuantifierNode(token.getRepeatLower(),
token.getRepeatUpper(),
token.type == TokenType.INTERVAL);
qtfr.greedy = token.getRepeatGreedy();
int ret = qtfr.setQuantifier(target, group, env, chars, getBegin(), getEnd());
Node qn = qtfr;
if (token.getRepeatPossessive()) {
EncloseNode en = new EncloseNode(EncloseType.STOP_BACKTRACK); // node_new_enclose
en.setTarget(qn);
qn = en;
}
if (ret == 0) {
target = qn;
} else if (ret == 2) { /* split case: /abc+/ */
target = ConsAltNode.newListNode(target, null);
ConsAltNode tmp = ((ConsAltNode)target).setCdr(ConsAltNode.newListNode(qn, null));
fetchToken();
return parseExpRepeatForCar(target, tmp, group);
}
fetchToken(); // goto re_entry
}
return target;
}
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:34,代码来源:Parser.java
示例8: checkTypeTree
import jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode; //导入依赖的package包/类
private boolean checkTypeTree(Node node, int typeMask, int encloseMask, int anchorMask) {
if ((node.getType2Bit() & typeMask) == 0) return true;
boolean invalid = false;
switch(node.getType()) {
case NodeType.LIST:
case NodeType.ALT:
ConsAltNode can = (ConsAltNode)node;
do {
invalid = checkTypeTree(can.car, typeMask, encloseMask, anchorMask);
} while (!invalid && (can = can.cdr) != null);
break;
case NodeType.QTFR:
invalid = checkTypeTree(((QuantifierNode)node).target, typeMask, encloseMask, anchorMask);
break;
case NodeType.ENCLOSE:
EncloseNode en = (EncloseNode)node;
if ((en.type & encloseMask) == 0) return true;
invalid = checkTypeTree(en.target, typeMask, encloseMask, anchorMask);
break;
case NodeType.ANCHOR:
AnchorNode an = (AnchorNode)node;
if ((an.type & anchorMask) == 0) return true;
if (an.target != null) invalid = checkTypeTree(an.target, typeMask, encloseMask, anchorMask);
break;
default:
break;
} // switch
return invalid;
}
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:39,代码来源:Analyser.java
注:本文中的jdk.nashorn.internal.runtime.regexp.joni.ast.QuantifierNode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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