本文整理汇总了Java中jdk.nashorn.internal.ir.JoinPredecessorExpression类的典型用法代码示例。如果您正苦于以下问题：Java JoinPredecessorExpression类的具体用法？Java JoinPredecessorExpression怎么用？Java JoinPredecessorExpression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。
JoinPredecessorExpression类属于jdk.nashorn.internal.ir包，在下文中一共展示了JoinPredecessorExpression类的14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: whileStatement
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
/**
* ...IterationStatement :
* ...
* while ( Expression ) Statement
* ...
*
* See 12.6
*
* Parse while statement.
*/
private void whileStatement() {
// Capture WHILE token.
final long whileToken = token;
// WHILE tested in caller.
next();
// Construct WHILE node.
WhileNode whileNode = new WhileNode(line, whileToken, Token.descPosition(whileToken), false);
lc.push(whileNode);
try {
expect(LPAREN);
final int whileLine = line;
final JoinPredecessorExpression test = joinPredecessorExpression();
expect(RPAREN);
final Block body = getStatement();
appendStatement(whileNode =
new WhileNode(whileLine, whileToken, finish, false).
setTest(lc, test).
setBody(lc, body));
} finally {
lc.pop(whileNode);
}
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:35，代码来源:Parser.java
示例2: enterForNode
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
@Override
public boolean enterForNode(final ForNode forNode) {
if(!reachable) {
return false;
}
final Expression init = forNode.getInit();
if(forNode.isForIn()) {
final JoinPredecessorExpression iterable = forNode.getModify();
iterable.accept(this);
enterTestFirstLoop(forNode, null, init,
// If we're iterating over property names, and we can discern from the runtime environment
// of the compilation that the object being iterated over must use strings for property
// names (e.g., it is a native JS object or array), then we'll not bother trying to treat
// the property names optimistically.
!compiler.useOptimisticTypes() || (!forNode.isForEach() && compiler.hasStringPropertyIterator(iterable.getExpression())));
} else {
if(init != null) {
init.accept(this);
}
enterTestFirstLoop(forNode, forNode.getModify(), null, false);
}
return false;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:25，代码来源:LocalVariableTypesCalculator.java
示例3: enterForNode
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
@Override
public boolean enterForNode(final ForNode forNode) {
if(!reachable) {
return false;
}
final Expression init = forNode.getInit();
if(forNode.isForInOrOf()) {
final JoinPredecessorExpression iterable = forNode.getModify();
visitExpression(iterable);
enterTestFirstLoop(forNode, null, init,
// If we're iterating over property names, and we can discern from the runtime environment
// of the compilation that the object being iterated over must use strings for property
// names (e.g., it is a native JS object or array), then we'll not bother trying to treat
// the property names optimistically.
!compiler.useOptimisticTypes() || (!forNode.isForEach() && compiler.hasStringPropertyIterator(iterable.getExpression())));
} else {
if(init != null) {
visitExpressionOnEmptyStack(init);
}
enterTestFirstLoop(forNode, forNode.getModify(), null, false);
}
assertTypeStackIsEmpty();
return false;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:26，代码来源:LocalVariableTypesCalculator.java
示例4: enterForNode
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
@Override
public boolean enterForNode(final ForNode forNode) {
if(!reachable) {
return false;
}
final Expression init = forNode.getInit();
if(forNode.isForIn()) {
final JoinPredecessorExpression iterable = forNode.getModify();
visitExpression(iterable);
enterTestFirstLoop(forNode, null, init,
// If we're iterating over property names, and we can discern from the runtime environment
// of the compilation that the object being iterated over must use strings for property
// names (e.g., it is a native JS object or array), then we'll not bother trying to treat
// the property names optimistically.
!compiler.useOptimisticTypes() || (!forNode.isForEach() && compiler.hasStringPropertyIterator(iterable.getExpression())));
} else {
if(init != null) {
visitExpressionOnEmptyStack(init);
}
enterTestFirstLoop(forNode, forNode.getModify(), null, false);
}
assertTypeStackIsEmpty();
return false;
}
开发者ID:malaporte，项目名称:kaziranga，代码行数:26，代码来源:LocalVariableTypesCalculator.java
示例5: doStatement
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
/**
* ...IterationStatement :
* ...
* do Statement while( Expression ) ;
* ...
*
* See 12.6
*
* Parse DO WHILE statement.
*/
private void doStatement() {
// Capture DO token.
final long doToken = token;
// DO tested in the caller.
next();
WhileNode doWhileNode = new WhileNode(-1, doToken, Token.descPosition(doToken), true);
lc.push(doWhileNode);
try {
// Get DO body.
final Block body = getStatement();
expect(WHILE);
expect(LPAREN);
final int doLine = line;
final JoinPredecessorExpression test = joinPredecessorExpression();
expect(RPAREN);
if (type == SEMICOLON) {
endOfLine();
}
doWhileNode.setFinish(finish);
//line number is last
appendStatement(doWhileNode =
new WhileNode(doLine, doToken, finish, true).
setBody(lc, body).
setTest(lc, test));
} finally {
lc.pop(doWhileNode);
}
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:44，代码来源:Parser.java
示例6: enterJoinPredecessorExpression
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
@Override
public boolean enterJoinPredecessorExpression(final JoinPredecessorExpression joinPredecessorExpression) {
final Expression expr = joinPredecessorExpression.getExpression();
if(expr != null) {
expr.accept(this);
} else {
nullValue();
}
return false;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:11，代码来源:JSONWriter.java
示例7: optimizeLogicalOperand
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
private void optimizeLogicalOperand(final Expression expr, final Label label, final boolean state, final boolean isRhs) {
final JoinPredecessorExpression jpexpr = (JoinPredecessorExpression)expr;
if(LocalVariableConversion.hasLiveConversion(jpexpr)) {
final Label after = new Label("after");
branchOptimizer(jpexpr.getExpression(), after, !state);
method.beforeJoinPoint(jpexpr);
method._goto(label);
method.label(after);
if(isRhs) {
method.beforeJoinPoint(jpexpr);
}
} else {
branchOptimizer(jpexpr.getExpression(), label, state);
}
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:16，代码来源:BranchOptimizer.java
示例8: enterDoWhileLoop
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
private void enterDoWhileLoop(final WhileNode loopNode) {
final JoinPredecessorExpression test = loopNode.getTest();
final Block body = loopNode.getBody();
final Label continueLabel = loopNode.getContinueLabel();
final Label breakLabel = loopNode.getBreakLabel();
final Map<Symbol, LvarType> beforeLoopTypes = localVariableTypes;
final Label repeatLabel = new Label("");
for(;;) {
jumpToLabel(loopNode, repeatLabel, beforeLoopTypes);
final Map<Symbol, LvarType> beforeRepeatTypes = localVariableTypes;
body.accept(this);
if(reachable) {
jumpToLabel(body, continueLabel);
}
joinOnLabel(continueLabel);
if(!reachable) {
break;
}
test.accept(this);
jumpToLabel(test, breakLabel);
if(isAlwaysFalse(test)) {
break;
}
jumpToLabel(test, repeatLabel);
joinOnLabel(repeatLabel);
if(localVariableTypes.equals(beforeRepeatTypes)) {
break;
}
resetJoinPoint(continueLabel);
resetJoinPoint(breakLabel);
resetJoinPoint(repeatLabel);
}
if(isAlwaysTrue(test)) {
doesNotContinueSequentially();
}
leaveBreakable(loopNode);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:40，代码来源:LocalVariableTypesCalculator.java
示例9: enterDoWhile
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
private void enterDoWhile(final WhileNode whileNode) {
final int liveLocalsOnContinueOrBreak = method.getUsedSlotsWithLiveTemporaries();
method.beforeJoinPoint(whileNode);
final Block body = whileNode.getBody();
body.accept(this);
emitContinueLabel(whileNode.getContinueLabel(), liveLocalsOnContinueOrBreak);
if(method.isReachable()) {
lineNumber(whileNode);
final JoinPredecessorExpression test = whileNode.getTest();
final Label bodyEntryLabel = body.getEntryLabel();
final boolean testHasLiveConversion = LocalVariableConversion.hasLiveConversion(test);
if(Expression.isAlwaysFalse(test)) {
loadAndDiscard(test);
if(testHasLiveConversion) {
method.beforeJoinPoint(test);
}
} else if(testHasLiveConversion) {
// If we have conversions after the test in do-while, they need to be effected on both branches.
final Label beforeExit = new Label("do_while_preexit");
emitBranch(test.getExpression(), beforeExit, false);
method.beforeJoinPoint(test);
method._goto(bodyEntryLabel);
method.label(beforeExit);
method.beforeJoinPoint(test);
} else {
emitBranch(test.getExpression(), bodyEntryLabel, true);
}
}
method.breakLabel(whileNode.getBreakLabel(), liveLocalsOnContinueOrBreak);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:33，代码来源:CodeGenerator.java
示例10: whileStatement
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
/**
* ...IterationStatement :
* ...
* while ( Expression ) Statement
* ...
*
* See 12.6
*
* Parse while statement.
*/
private void whileStatement() {
// Capture WHILE token.
final long whileToken = token;
final int whileLine = line;
// WHILE tested in caller.
next();
final ParserContextLoopNode whileNode = new ParserContextLoopNode();
lc.push(whileNode);
JoinPredecessorExpression test = null;
Block body = null;
try {
expect(LPAREN);
test = joinPredecessorExpression();
expect(RPAREN);
body = getStatement();
} finally {
lc.pop(whileNode);
}
if (body != null) {
appendStatement(new WhileNode(whileLine, whileToken, body.getFinish(), false, test, body));
}
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:37，代码来源:Parser.java
示例11: doStatement
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
/**
* ...IterationStatement :
* ...
* do Statement while( Expression ) ;
* ...
*
* See 12.6
*
* Parse DO WHILE statement.
*/
private void doStatement() {
// Capture DO token.
final long doToken = token;
int doLine = 0;
// DO tested in the caller.
next();
final ParserContextLoopNode doWhileNode = new ParserContextLoopNode();
lc.push(doWhileNode);
Block body = null;
JoinPredecessorExpression test = null;
try {
// Get DO body.
body = getStatement();
expect(WHILE);
expect(LPAREN);
doLine = line;
test = joinPredecessorExpression();
expect(RPAREN);
if (type == SEMICOLON) {
endOfLine();
}
} finally {
lc.pop(doWhileNode);
}
appendStatement(new WhileNode(doLine, doToken, finish, true, test, body));
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:43，代码来源:Parser.java
示例12: enterDoWhileLoop
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
private void enterDoWhileLoop(final WhileNode loopNode) {
assertTypeStackIsEmpty();
final JoinPredecessorExpression test = loopNode.getTest();
final Block body = loopNode.getBody();
final Label continueLabel = loopNode.getContinueLabel();
final Label breakLabel = loopNode.getBreakLabel();
final Map<Symbol, LvarType> beforeLoopTypes = localVariableTypes;
final Label repeatLabel = new Label("");
for(;;) {
jumpToLabel(loopNode, repeatLabel, beforeLoopTypes);
final Map<Symbol, LvarType> beforeRepeatTypes = localVariableTypes;
body.accept(this);
if(reachable) {
jumpToLabel(body, continueLabel);
}
joinOnLabel(continueLabel);
if(!reachable) {
break;
}
visitExpressionOnEmptyStack(test);
jumpToLabel(test, breakLabel);
if(isAlwaysFalse(test)) {
break;
}
jumpToLabel(test, repeatLabel);
joinOnLabel(repeatLabel);
if(localVariableTypes.equals(beforeRepeatTypes)) {
break;
}
resetJoinPoint(continueLabel);
resetJoinPoint(breakLabel);
resetJoinPoint(repeatLabel);
}
if(isAlwaysTrue(test)) {
doesNotContinueSequentially();
}
leaveBreakable(loopNode);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:41，代码来源:LocalVariableTypesCalculator.java
示例13: enterJoinPredecessorExpression
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
@Override
public boolean enterJoinPredecessorExpression(final JoinPredecessorExpression joinExpr) {
final Expression expr = joinExpr.getExpression();
if (expr != null) {
expr.accept(this);
} else {
typeStack.push(LvarType.UNDEFINED);
}
return false;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:11，代码来源:LocalVariableTypesCalculator.java
示例14: newBinaryExpression
import jdk.nashorn.internal.ir.JoinPredecessorExpression; //导入依赖的package包/类
private static Expression newBinaryExpression(final long op, final Expression lhs, final Expression rhs) {
final TokenType opType = Token.descType(op);
// Build up node.
if (BinaryNode.isLogical(opType)) {
return new BinaryNode(op, new JoinPredecessorExpression(lhs), new JoinPredecessorExpression(rhs));
}
return new BinaryNode(op, lhs, rhs);
}
开发者ID:campolake，项目名称:openjdk9，代码行数:10，代码来源:Parser.java
注：本文中的jdk.nashorn.internal.ir.JoinPredecessorExpression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。 |
客服电话
APP下载
官方微信
请发表评论