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Java TernaryNode.getTest方法代码示例

本文整理汇总了Java中jdk.nashorn.internal.ir.TernaryNode.getTest方法的典型用法代码示例。如果您正苦于以下问题:Java TernaryNode.getTest方法的具体用法?Java TernaryNode.getTest怎么用?Java TernaryNode.getTest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jdk.nashorn.internal.ir.TernaryNode的用法示例。


在下文中一共展示了TernaryNode.getTest方法的6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: enterTernaryNode

import jdk.nashorn.internal.ir.TernaryNode; //导入方法依赖的package包/类
@Override
public boolean enterTernaryNode(final TernaryNode ternaryNode) {
    final Expression test = ternaryNode.getTest();
    final Expression trueExpr = ternaryNode.getTrueExpression();
    final Expression falseExpr = ternaryNode.getFalseExpression();

    test.accept(this);

    final Map<Symbol, LvarType> testExitLvarTypes = localVariableTypes;
    if(!isAlwaysFalse(test)) {
        trueExpr.accept(this);
    }
    final Map<Symbol, LvarType> trueExitLvarTypes = localVariableTypes;
    localVariableTypes = testExitLvarTypes;
    if(!isAlwaysTrue(test)) {
        falseExpr.accept(this);
    }
    final Map<Symbol, LvarType> falseExitLvarTypes = localVariableTypes;
    localVariableTypes = getUnionTypes(trueExitLvarTypes, falseExitLvarTypes);
    setConversion((JoinPredecessor)trueExpr, trueExitLvarTypes, localVariableTypes);
    setConversion((JoinPredecessor)falseExpr, falseExitLvarTypes, localVariableTypes);
    return false;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:24,代码来源:LocalVariableTypesCalculator.java

示例2: leaveTernaryNode

import jdk.nashorn.internal.ir.TernaryNode; //导入方法依赖的package包/类
@Override
public Node leaveTernaryNode(final TernaryNode ternaryNode) {
    final Node test = ternaryNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        return (((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue() ? ternaryNode.getTrueExpression() : ternaryNode.getFalseExpression()).getExpression();
    }
    return ternaryNode;
}
 
开发者ID:SunburstApps,项目名称:OpenJSharp,代码行数:9,代码来源:FoldConstants.java

示例3: enterTernaryNode

import jdk.nashorn.internal.ir.TernaryNode; //导入方法依赖的package包/类
@Override
public boolean enterTernaryNode(final TernaryNode ternaryNode) {
    final Expression test = ternaryNode.getTest();
    final Expression trueExpr = ternaryNode.getTrueExpression();
    final Expression falseExpr = ternaryNode.getFalseExpression();

    visitExpression(test);

    final Map<Symbol, LvarType> testExitLvarTypes = localVariableTypes;
    final LvarType trueType;
    if(!isAlwaysFalse(test)) {
        trueType = visitExpression(trueExpr);
    } else {
        trueType = null;
    }
    final Map<Symbol, LvarType> trueExitLvarTypes = localVariableTypes;
    localVariableTypes = testExitLvarTypes;
    final LvarType falseType;
    if(!isAlwaysTrue(test)) {
        falseType = visitExpression(falseExpr);
    } else {
        falseType = null;
    }
    final Map<Symbol, LvarType> falseExitLvarTypes = localVariableTypes;
    localVariableTypes = getUnionTypes(trueExitLvarTypes, falseExitLvarTypes);
    setConversion((JoinPredecessor)trueExpr, trueExitLvarTypes, localVariableTypes);
    setConversion((JoinPredecessor)falseExpr, falseExitLvarTypes, localVariableTypes);

    typeStack.push(trueType != null ? falseType != null ? widestLvarType(trueType, falseType) : trueType : assertNotNull(falseType));
    return false;
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:32,代码来源:LocalVariableTypesCalculator.java

示例4: leaveTernaryNode

import jdk.nashorn.internal.ir.TernaryNode; //导入方法依赖的package包/类
@Override
public Node leaveTernaryNode(final TernaryNode ternaryNode) {
    final Node test = ternaryNode.getTest();
    if (test instanceof LiteralNode.PrimitiveLiteralNode) {
        return ((LiteralNode.PrimitiveLiteralNode<?>)test).isTrue() ? ternaryNode.getTrueExpression() : ternaryNode.getFalseExpression();
    }
    return ternaryNode;
}
 
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:9,代码来源:FoldConstants.java

示例5: enterTernaryNode

import jdk.nashorn.internal.ir.TernaryNode; //导入方法依赖的package包/类
@Override
public boolean enterTernaryNode(final TernaryNode ternaryNode) {
    final Expression test      = ternaryNode.getTest();
    final Expression trueExpr  = ternaryNode.getTrueExpression();
    final Expression falseExpr = ternaryNode.getFalseExpression();

    final Symbol symbol     = ternaryNode.getSymbol();
    final Label  falseLabel = new Label("ternary_false");
    final Label  exitLabel  = new Label("ternary_exit");

    Type widest = Type.widest(ternaryNode.getType(), Type.widest(trueExpr.getType(), falseExpr.getType()));
    if (trueExpr.getType().isArray() || falseExpr.getType().isArray()) { //loadArray creates a Java array type on the stack, calls global allocate, which creates a native array type
        widest = Type.OBJECT;
    }

    load(test, Type.BOOLEAN);
    // we still keep the conversion here as the AccessSpecializer can have separated the types, e.g. var y = x ? x=55 : 17
    // will left as (Object)x=55 : (Object)17 by Lower. Then the first term can be {I}x=55 of type int, which breaks the
    // symmetry for the temporary slot for this TernaryNode. This is evidence that we assign types and explicit conversions
    // too early, or Apply the AccessSpecializer too late. We are mostly probably looking for a separate type pass to
    // do this property. Then we never need any conversions in CodeGenerator
    method.ifeq(falseLabel);
    load(trueExpr, widest);
    method._goto(exitLabel);
    method.label(falseLabel);
    load(falseExpr, widest);
    method.label(exitLabel);
    method.store(symbol);

    return false;
}
 
开发者ID:RedlineResearch,项目名称:OLD-OpenJDK8,代码行数:32,代码来源:CodeGenerator.java

示例6: leaveTernaryNode

import jdk.nashorn.internal.ir.TernaryNode; //导入方法依赖的package包/类
@Override
public Node leaveTernaryNode(final TernaryNode ternaryNode) {
    final Node test = ternaryNode.getTest();
    if (test instanceof LiteralNode) {
        return ((LiteralNode<?>)test).isTrue() ? ternaryNode.getTrueExpression() : ternaryNode.getFalseExpression();
    }
    return ternaryNode;
}
 
开发者ID:wro4j,项目名称:nashorn-backport,代码行数:9,代码来源:FoldConstants.java


注:本文中的jdk.nashorn.internal.ir.TernaryNode.getTest方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,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。