Java Code Examples for jdk.nashorn.internal.ir.ReturnNode#getExpression()

The following examples show how to use jdk.nashorn.internal.ir.ReturnNode#getExpression() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: JSONWriter.java From hottub with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 2

Source File: LocalVariableTypesCalculator.java From jdk8u_nashorn with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    if(!reachable) {
        return false;
    }

    final Expression returnExpr = returnNode.getExpression();
    final Type returnExprType;
    if(returnExpr != null) {
        returnExprType = visitExpressionOnEmptyStack(returnExpr).type;
    } else {
        assertTypeStackIsEmpty();
        returnExprType = Type.UNDEFINED;
    }
    returnType = Type.widestReturnType(returnType, returnExprType);
    doesNotContinueSequentially();
    return false;
}

Example 3

Source File: CodeGenerator.java From nashorn with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    lineNumber(returnNode);

    method.registerReturn();

    final Type returnType = lc.getCurrentFunction().getReturnType();

    final Expression expression = returnNode.getExpression();
    if (expression != null) {
        load(expression);
    } else {
        method.loadUndefined(returnType);
    }

    method._return(returnType);

    return false;
}

Example 4

Source File: JSONWriter.java From nashorn with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 5

Source File: Attr.java From openjdk-8 with GNU General Public License v2.0

6 votes

@Override
public Node leaveReturnNode(final ReturnNode returnNode) {
    final Expression expr = returnNode.getExpression();
    final Type returnType;

    if (expr != null) {
        //we can't do parameter specialization if we return something that hasn't been typed yet
        final Symbol symbol = expr.getSymbol();
        if (expr.getType().isUnknown() && symbol.isParam()) {
            symbol.setType(Type.OBJECT);
        }

        returnType = widestReturnType(returnTypes.pop(), symbol.getSymbolType());
    } else {
        returnType = Type.OBJECT; //undefined
    }
    LOG.info("Returntype is now ", returnType);
    returnTypes.push(returnType);

    end(returnNode);

    return returnNode;
}

Example 6

Source File: JSONWriter.java From openjdk-8 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 7

Source File: CodeGenerator.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    lineNumber(returnNode);

    method.registerReturn();

    final Type returnType = lc.getCurrentFunction().getReturnType();

    final Expression expression = returnNode.getExpression();
    if (expression != null) {
        load(expression);
    } else {
        method.loadUndefined(returnType);
    }

    method._return(returnType);

    return false;
}

Example 8

Source File: Attr.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Override
public Node leaveReturnNode(final ReturnNode returnNode) {
    final Expression expr = returnNode.getExpression();
    final Type returnType;

    if (expr != null) {
        //we can't do parameter specialization if we return something that hasn't been typed yet
        final Symbol symbol = expr.getSymbol();
        if (expr.getType().isUnknown() && symbol.isParam()) {
            symbol.setType(Type.OBJECT);
        }

        returnType = widestReturnType(returnTypes.pop(), symbol.getSymbolType());
    } else {
        returnType = Type.OBJECT; //undefined
    }
    LOG.info("Returntype is now ", returnType);
    returnTypes.push(returnType);

    end(returnNode);

    return returnNode;
}

Example 9

Source File: JSONWriter.java From openjdk-8-source with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 10

Source File: Attr.java From nashorn with GNU General Public License v2.0

6 votes

@Override
public Node leaveReturnNode(final ReturnNode returnNode) {
    final Expression expr = returnNode.getExpression();
    final Type returnType;

    if (expr != null) {
        //we can't do parameter specialization if we return something that hasn't been typed yet
        final Symbol symbol = expr.getSymbol();
        if (expr.getType().isUnknown() && symbol.isParam()) {
            symbol.setType(Type.OBJECT);
        }

        returnType = Type.widest(returnTypes.pop(), symbol.getSymbolType());
    } else {
        returnType = Type.OBJECT; //undefined
    }
    LOG.info("Returntype is now ", returnType);
    returnTypes.push(returnType);

    end(returnNode);

    return returnNode;
}

Example 11

Source File: JSONWriter.java From TencentKona-8 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 12

Source File: LocalVariableTypesCalculator.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    if(!reachable) {
        return false;
    }

    final Expression returnExpr = returnNode.getExpression();
    final Type returnExprType;
    if(returnExpr != null) {
        returnExprType = visitExpressionOnEmptyStack(returnExpr).type;
    } else {
        assertTypeStackIsEmpty();
        returnExprType = Type.UNDEFINED;
    }
    returnType = Type.widestReturnType(returnType, returnExprType);
    doesNotContinueSequentially();
    return false;
}

Example 13

Source File: JSONWriter.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 14

Source File: JSONWriter.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 15

Source File: LocalVariableTypesCalculator.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    if(!reachable) {
        return false;
    }

    final Expression returnExpr = returnNode.getExpression();
    final Type returnExprType;
    if(returnExpr != null) {
        returnExprType = visitExpressionOnEmptyStack(returnExpr).type;
    } else {
        assertTypeStackIsEmpty();
        returnExprType = Type.UNDEFINED;
    }
    returnType = Type.widestReturnType(returnType, returnExprType);
    doesNotContinueSequentially();
    return false;
}

Example 16

Source File: JSONWriter.java From openjdk-jdk8u with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 17

Source File: LocalVariableTypesCalculator.java From jdk8u60 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    if(!reachable) {
        return false;
    }

    final Expression returnExpr = returnNode.getExpression();
    final Type returnExprType;
    if(returnExpr != null) {
        returnExprType = visitExpressionOnEmptyStack(returnExpr).type;
    } else {
        assertTypeStackIsEmpty();
        returnExprType = Type.UNDEFINED;
    }
    returnType = Type.widestReturnType(returnType, returnExprType);
    doesNotContinueSequentially();
    return false;
}

Example 18

Source File: JSONWriter.java From jdk8u60 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    enterDefault(returnNode);

    type("ReturnStatement");
    comma();

    final Node arg = returnNode.getExpression();
    property("argument");
    if (arg != null) {
        arg.accept(this);
    } else {
        nullValue();
    }

    return leave();
}

Example 19

Source File: LocalVariableTypesCalculator.java From TencentKona-8 with GNU General Public License v2.0

6 votes

@Override
public boolean enterReturnNode(final ReturnNode returnNode) {
    if(!reachable) {
        return false;
    }

    final Expression returnExpr = returnNode.getExpression();
    final Type returnExprType;
    if(returnExpr != null) {
        returnExprType = visitExpressionOnEmptyStack(returnExpr).type;
    } else {
        assertTypeStackIsEmpty();
        returnExprType = Type.UNDEFINED;
    }
    returnType = Type.widestReturnType(returnType, returnExprType);
    doesNotContinueSequentially();
    return false;
}

Example 20

Source File: FinalizeTypes.java From nashorn with GNU General Public License v2.0

5 votes

@Override
public Node leaveReturnNode(final ReturnNode returnNode) {
    final Expression expr = returnNode.getExpression();
    if (expr != null) {
        return returnNode.setExpression(convert(expr, lc.getCurrentFunction().getReturnType()));
    }
    return returnNode;
}