Java Code Examples for jdk.nashorn.internal.ir.RuntimeNode#Request

The following examples show how to use jdk.nashorn.internal.ir.RuntimeNode#Request . 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 openjdk-8 with GNU General Public License v2.0

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 2

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

5 votes

private boolean specializationCheck(final RuntimeNode.Request request, final Expression node, final List<Expression> args) {
    if (!request.canSpecialize()) {
        return false;
    }

    assert args.size() == 2;
    final Type returnType = node.getType();

    load(args.get(0));
    load(args.get(1));

    Request finalRequest = request;

    //if the request is a comparison, i.e. one that can be reversed
    //it keeps its semantic, but make sure that the object comes in
    //last
    final Request reverse = Request.reverse(request);
    if (method.peekType().isObject() && reverse != null) { //rhs is object
        if (!method.peekType(1).isObject()) { //lhs is not object
            method.swap(); //prefer object as lhs
            finalRequest = reverse;
        }
    }

    method.dynamicRuntimeCall(
            new SpecializedRuntimeNode(
                finalRequest,
                new Type[] {
                    method.peekType(1),
                    method.peekType()
                },
                returnType).getInitialName(),
            returnType,
            finalRequest);

    method.convert(node.getType());
    method.store(node.getSymbol());

    return true;
}

Example 3

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

5 votes

/**
 * Exit a comparison node and do the appropriate replacements. We need to introduce runtime
 * nodes late for comparisons as types aren't known until the last minute
 *
 * Both compares and adds may turn into runtimes node at this level as when we first bump
 * into the op in Attr, we may type it according to what we know there, which may be wrong later
 *
 * e.g. i (int) < 5 -> normal compare
 *     i = object
 *  then the post pass that would add the conversion to the 5 needs to
 *
 * @param binaryNode binary node to leave
 * @param request    runtime request
 * @return lowered cmp node
 */
@SuppressWarnings("fallthrough")
private Node leaveCmp(final BinaryNode binaryNode, final RuntimeNode.Request request) {
    final Expression lhs    = binaryNode.lhs();
    final Expression rhs    = binaryNode.rhs();

    Type widest = Type.widest(lhs.getType(), rhs.getType());

    boolean newRuntimeNode = false, finalized = false;
    switch (request) {
    case EQ_STRICT:
    case NE_STRICT:
        if (lhs.getType().isBoolean() != rhs.getType().isBoolean()) {
            newRuntimeNode = true;
            widest = Type.OBJECT;
            finalized = true;
        }
        //fallthru
    default:
        if (newRuntimeNode || widest.isObject()) {
            return new RuntimeNode(binaryNode, request).setIsFinal(finalized);
        }
        break;
    }

    return binaryNode.setLHS(convert(lhs, widest)).setRHS(convert(rhs, widest));
}

Example 4

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

5 votes

/**
 * Generate a dynamic call for a runtime node
 *
 * @param name       tag for the invoke dynamic for this runtime node
 * @param returnType return type
 * @param request    RuntimeNode request
 *
 * @return the method emitter
 */
MethodEmitter dynamicRuntimeCall(final String name, final Type returnType, final RuntimeNode.Request request) {
    debug("dynamic_runtime_call", name, "args=", request.getArity(), "returnType=", returnType);
    final String signature = getDynamicSignature(returnType, request.getArity());
    debug("   signature", signature);
    method.visitInvokeDynamicInsn(name, signature, RUNTIMEBOOTSTRAP);
    pushType(returnType);

    return this;
}

Example 5

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 6

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 7

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

5 votes

private boolean specializationCheck(final RuntimeNode.Request request, final Expression node, final List<Expression> args) {
    if (!request.canSpecialize()) {
        return false;
    }

    assert args.size() == 2;
    final Type returnType = node.getType();

    load(args.get(0));
    load(args.get(1));

    Request finalRequest = request;

    //if the request is a comparison, i.e. one that can be reversed
    //it keeps its semantic, but make sure that the object comes in
    //last
    final Request reverse = Request.reverse(request);
    if (method.peekType().isObject() && reverse != null) { //rhs is object
        if (!method.peekType(1).isObject()) { //lhs is not object
            method.swap(); //prefer object as lhs
            finalRequest = reverse;
        }
    }

    method.dynamicRuntimeCall(
            new SpecializedRuntimeNode(
                finalRequest,
                new Type[] {
                    method.peekType(1),
                    method.peekType()
                },
                returnType).getInitialName(),
            returnType,
            finalRequest);

    method.convert(node.getType());
    method.store(node.getSymbol());

    return true;
}

Example 8

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

5 votes

/**
 * Generate a dynamic call for a runtime node
 *
 * @param name       tag for the invoke dynamic for this runtime node
 * @param returnType return type
 * @param request    RuntimeNode request
 *
 * @return the method emitter
 */
MethodEmitter dynamicRuntimeCall(final String name, final Type returnType, final RuntimeNode.Request request) {
    debug("dynamic_runtime_call", name, "args=", request.getArity(), "returnType=", returnType);
    final String signature = getDynamicSignature(returnType, request.getArity());
    debug("   signature", signature);
    method.visitInvokeDynamicInsn(name, signature, RUNTIMEBOOTSTRAP);
    pushType(returnType);

    return this;
}

Example 9

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 10

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

5 votes

private boolean specializationCheck(final RuntimeNode.Request request, final Expression node, final List<Expression> args) {
    if (!request.canSpecialize()) {
        return false;
    }

    assert args.size() == 2;
    final Type returnType = node.getType();

    load(args.get(0));
    load(args.get(1));

    Request finalRequest = request;

    //if the request is a comparison, i.e. one that can be reversed
    //it keeps its semantic, but make sure that the object comes in
    //last
    final Request reverse = Request.reverse(request);
    if (method.peekType().isObject() && reverse != null) { //rhs is object
        if (!method.peekType(1).isObject()) { //lhs is not object
            method.swap(); //prefer object as lhs
            finalRequest = reverse;
        }
    }

    method.dynamicRuntimeCall(
            new SpecializedRuntimeNode(
                finalRequest,
                new Type[] {
                    method.peekType(1),
                    method.peekType()
                },
                returnType).getInitialName(),
            returnType,
            finalRequest);

    method.convert(node.getType());
    method.store(node.getSymbol());

    return true;
}

Example 11

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

5 votes

/**
 * Generate a dynamic call for a runtime node
 *
 * @param name       tag for the invoke dynamic for this runtime node
 * @param returnType return type
 * @param request    RuntimeNode request
 *
 * @return the method emitter
 */
MethodEmitter dynamicRuntimeCall(final String name, final Type returnType, final RuntimeNode.Request request) {
    debug("dynamic_runtime_call", name, "args=", request.getArity(), "returnType=", returnType);
    final String signature = getDynamicSignature(returnType, request.getArity());
    debug("   signature", signature);
    method.visitInvokeDynamicInsn(name, signature, RUNTIMEBOOTSTRAP);
    pushType(returnType);

    return this;
}

Example 12

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 13

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 14

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 15

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 16

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

5 votes

@Override
public boolean enterRuntimeNode(final RuntimeNode runtimeNode) {
    final RuntimeNode.Request req = runtimeNode.getRequest();

    if (req == RuntimeNode.Request.DEBUGGER) {
        enterDefault(runtimeNode);
        type("DebuggerStatement");
        return leave();
    }

    return false;
}

Example 17

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

2 votes

/**
 * Constructor.
 *
 * @param request        runtime node request to specialize
 * @param parameterTypes parameter types of the call site
 * @param returnType     return type of the call site
 */
SpecializedRuntimeNode(final RuntimeNode.Request request, final Type[] parameterTypes, final Type returnType) {
    this.request        = request;
    this.parameterTypes = parameterTypes;
    this.returnType     = returnType;
}

Example 18

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

2 votes

/**
 * Constructor.
 *
 * @param request        runtime node request to specialize
 * @param parameterTypes parameter types of the call site
 * @param returnType     return type of the call site
 */
SpecializedRuntimeNode(final RuntimeNode.Request request, final Type[] parameterTypes, final Type returnType) {
    this.request        = request;
    this.parameterTypes = parameterTypes;
    this.returnType     = returnType;
}

Example 19

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

2 votes

/**
 * Constructor.
 *
 * @param request        runtime node request to specialize
 * @param parameterTypes parameter types of the call site
 * @param returnType     return type of the call site
 */
SpecializedRuntimeNode(final RuntimeNode.Request request, final Type[] parameterTypes, final Type returnType) {
    this.request        = request;
    this.parameterTypes = parameterTypes;
    this.returnType     = returnType;
}