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Java WhileNode.getBody方法代码示例

本文整理汇总了Java中jdk.nashorn.internal.ir.WhileNode.getBody方法的典型用法代码示例。如果您正苦于以下问题：Java WhileNode.getBody方法的具体用法？Java WhileNode.getBody怎么用？Java WhileNode.getBody使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jdk.nashorn.internal.ir.WhileNode的用法示例。


在下文中一共展示了WhileNode.getBody方法的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，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: enterWhileNode

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
@Override
public boolean enterWhileNode(final WhileNode whileNode) {
    final Expression test          = whileNode.getTest();
    final Block      body          = whileNode.getBody();
    final Label      breakLabel    = whileNode.getBreakLabel();
    final Label      continueLabel = whileNode.getContinueLabel();
    final boolean    isDoWhile     = whileNode.isDoWhile();
    final Label      loopLabel     = new Label("loop");

    if (!isDoWhile) {
        method._goto(continueLabel);
    }

    method.label(loopLabel);
    body.accept(this);
    if (!whileNode.isTerminal()) {
        method.label(continueLabel);
        lineNumber(whileNode);
        new BranchOptimizer(this, method).execute(test, loopLabel, true);
        method.label(breakLabel);
    }

    return false;
}
开发者ID:RedlineResearch，项目名称:OLD-OpenJDK8，代码行数:25，代码来源:CodeGenerator.java

示例2: enterWhileNode

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
@Override
public boolean enterWhileNode(final WhileNode whileNode) {
    lineNumber(whileNode);

    final Expression test          = whileNode.getTest();
    final Block      body          = whileNode.getBody();
    final Label      breakLabel    = whileNode.getBreakLabel();
    final Label      continueLabel = whileNode.getContinueLabel();
    final Label      loopLabel     = new Label("loop");

    if (!whileNode.isDoWhile()) {
        method._goto(continueLabel);
    }

    method.label(loopLabel);
    body.accept(this);
    if (!whileNode.isTerminal()) {
        method.label(continueLabel);
        new BranchOptimizer(this, method).execute(test, loopLabel, true);
        method.label(breakLabel);
    }

    return false;
}
开发者ID:wro4j，项目名称:nashorn-backport，代码行数:25，代码来源:CodeGenerator.java

示例3: leaveWhileNode

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
@Override
public Node leaveWhileNode(final WhileNode whileNode) {
    final Expression test = whileNode.getTest();
    final Block body = whileNode.getBody();

    if (isAlwaysTrue(test)) {
        //turn it into a for node without a test.
        final ForNode forNode = (ForNode)new ForNode(whileNode.getLineNumber(), whileNode.getToken(), whileNode.getFinish(), body, 0).accept(this);
        lc.replace(whileNode, forNode);
        return forNode;
    }

     return addStatement(checkEscape(whileNode));
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:15，代码来源:Lower.java

示例4: enterDoWhileLoop

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的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5: enterDoWhile

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的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6: enterDoWhileLoop

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的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7: leaveWhileNode

import jdk.nashorn.internal.ir.WhileNode; //导入方法依赖的package包/类
@Override
public Node leaveWhileNode(final WhileNode whileNode) {
    final Node test  = whileNode.getTest();
    final Block body = whileNode.getBody();

    if (conservativeAlwaysTrue(test)) {
        //turn it into a for node without a test.
        final ForNode forNode = (ForNode)new ForNode(whileNode.getLineNumber(), whileNode.getToken(), whileNode.getFinish(), null, null, body, null, ForNode.IS_FOR).accept(this);
        lc.replace(whileNode, forNode);
        return forNode;
    }

     return addStatement(checkEscape(whileNode));
}
开发者ID:RedlineResearch，项目名称:OLD-OpenJDK8，代码行数:15，代码来源:Lower.java


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