java.lang.invoke.LambdaForm.NamedFunction Java Examples

The following examples show how to use java.lang.invoke.LambdaForm.NamedFunction. 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: BoundMethodHandle.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #2
Source File: BoundMethodHandle.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #3
Source File: BoundMethodHandle.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #4
Source File: BoundMethodHandle.java    From jdk1.8-source-analysis with Apache License 2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #5
Source File: BoundMethodHandle.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #6
Source File: BoundMethodHandle.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #7
Source File: BoundMethodHandle.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #8
Source File: BoundMethodHandle.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #9
Source File: BoundMethodHandle.java    From Java8CN with Apache License 2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #10
Source File: BoundMethodHandle.java    From Java8CN with Apache License 2.0 5 votes vote down vote up 
private SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #11
Source File: BoundMethodHandle.java    From Java8CN with Apache License 2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #12
Source File: BoundMethodHandle.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #13
Source File: BoundMethodHandle.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #14
Source File: BoundMethodHandle.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #15
Source File: BoundMethodHandle.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Wrap a constructor call in a {@link LambdaForm}.
 *
 * If constructors ({@code <init>} methods) are called in LFs, problems might arise if the LFs
 * are turned into bytecode, because the call to the allocator is routed through an MH, and the
 * verifier cannot find a {@code NEW} instruction preceding the {@code INVOKESPECIAL} to
 * {@code <init>}. To avoid this, we add an indirection by invoking {@code <init>} through
 * {@link MethodHandle#linkToSpecial}.
 *
 * The last {@link LambdaForm.Name Name} in the argument's form is expected to be the {@code void}
 * result of the {@code <init>} invocation. This entry is replaced.
 */
private static MethodHandle linkConstructor(MethodHandle cmh) {
    final LambdaForm lf = cmh.form;
    final int initNameIndex = lf.names.length - 1;
    final Name initName = lf.names[initNameIndex];
    final MemberName ctorMN = initName.function.member;
    final MethodType ctorMT = ctorMN.getInvocationType();

    // obtain function member (call target)
    // linker method type replaces initial parameter (BMH species) with BMH to avoid naming a species (anonymous class!)
    final MethodType linkerMT = ctorMT.changeParameterType(0, BoundMethodHandle.class).appendParameterTypes(MemberName.class);
    MemberName linkerMN = new MemberName(MethodHandle.class, "linkToSpecial", linkerMT, REF_invokeStatic);
    try {
        linkerMN = MemberName.getFactory().resolveOrFail(REF_invokeStatic, linkerMN, null, NoSuchMethodException.class);
        assert(linkerMN.isStatic());
    } catch (ReflectiveOperationException ex) {
        throw newInternalError(ex);
    }
    // extend arguments array
    Object[] newArgs = Arrays.copyOf(initName.arguments, initName.arguments.length + 1);
    newArgs[newArgs.length - 1] = ctorMN;
    // replace function
    final NamedFunction nf = new NamedFunction(linkerMN);
    final Name linkedCtor = new Name(nf, newArgs);
    linkedCtor.initIndex(initNameIndex);
    lf.names[initNameIndex] = linkedCtor;
    return cmh;
}
Example #16
Source File: BoundMethodHandle.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Wrap a constructor call in a {@link LambdaForm}.
 *
 * If constructors ({@code <init>} methods) are called in LFs, problems might arise if the LFs
 * are turned into bytecode, because the call to the allocator is routed through an MH, and the
 * verifier cannot find a {@code NEW} instruction preceding the {@code INVOKESPECIAL} to
 * {@code <init>}. To avoid this, we add an indirection by invoking {@code <init>} through
 * {@link MethodHandle#linkToSpecial}.
 *
 * The last {@link LambdaForm.Name Name} in the argument's form is expected to be the {@code void}
 * result of the {@code <init>} invocation. This entry is replaced.
 */
private static MethodHandle linkConstructor(MethodHandle cmh) {
    final LambdaForm lf = cmh.form;
    final int initNameIndex = lf.names.length - 1;
    final Name initName = lf.names[initNameIndex];
    final MemberName ctorMN = initName.function.member;
    final MethodType ctorMT = ctorMN.getInvocationType();

    // obtain function member (call target)
    // linker method type replaces initial parameter (BMH species) with BMH to avoid naming a species (anonymous class!)
    final MethodType linkerMT = ctorMT.changeParameterType(0, BoundMethodHandle.class).appendParameterTypes(MemberName.class);
    MemberName linkerMN = new MemberName(MethodHandle.class, "linkToSpecial", linkerMT, REF_invokeStatic);
    try {
        linkerMN = MemberName.getFactory().resolveOrFail(REF_invokeStatic, linkerMN, null, NoSuchMethodException.class);
        assert(linkerMN.isStatic());
    } catch (ReflectiveOperationException ex) {
        throw newInternalError(ex);
    }
    // extend arguments array
    Object[] newArgs = Arrays.copyOf(initName.arguments, initName.arguments.length + 1);
    newArgs[newArgs.length - 1] = ctorMN;
    // replace function
    final NamedFunction nf = new NamedFunction(linkerMN);
    final Name linkedCtor = new Name(nf, newArgs);
    linkedCtor.initIndex(initNameIndex);
    lf.names[initNameIndex] = linkedCtor;
    return cmh;
}
Example #17
Source File: BoundMethodHandle.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #18
Source File: BoundMethodHandle.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #19
Source File: BoundMethodHandle.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #20
Source File: BoundMethodHandle.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #21
Source File: BoundMethodHandle.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
private SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #22
Source File: BoundMethodHandle.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #23
Source File: BoundMethodHandle.java    From jdk-1.7-annotated with Apache License 2.0 5 votes vote down vote up 
/**
 * Wrap a constructor call in a {@link LambdaForm}.
 *
 * If constructors ({@code <init>} methods) are called in LFs, problems might arise if the LFs
 * are turned into bytecode, because the call to the allocator is routed through an MH, and the
 * verifier cannot find a {@code NEW} instruction preceding the {@code INVOKESPECIAL} to
 * {@code <init>}. To avoid this, we add an indirection by invoking {@code <init>} through
 * {@link MethodHandle#linkToSpecial}.
 *
 * The last {@link LambdaForm#Name Name} in the argument's form is expected to be the {@code void}
 * result of the {@code <init>} invocation. This entry is replaced.
 */
private static MethodHandle linkConstructor(MethodHandle cmh) {
    final LambdaForm lf = cmh.form;
    final int initNameIndex = lf.names.length - 1;
    final Name initName = lf.names[initNameIndex];
    final MemberName ctorMN = initName.function.member;
    final MethodType ctorMT = ctorMN.getInvocationType();

    // obtain function member (call target)
    // linker method type replaces initial parameter (BMH species) with BMH to avoid naming a species (anonymous class!)
    final MethodType linkerMT = ctorMT.changeParameterType(0, BoundMethodHandle.class).appendParameterTypes(MemberName.class);
    MemberName linkerMN = new MemberName(MethodHandle.class, "linkToSpecial", linkerMT, REF_invokeStatic);
    try {
        linkerMN = MemberName.getFactory().resolveOrFail(REF_invokeStatic, linkerMN, null, NoSuchMethodException.class);
        assert(linkerMN.isStatic());
    } catch (ReflectiveOperationException ex) {
        throw newInternalError(ex);
    }
    // extend arguments array
    Object[] newArgs = Arrays.copyOf(initName.arguments, initName.arguments.length + 1);
    newArgs[newArgs.length - 1] = ctorMN;
    // replace function
    final NamedFunction nf = new NamedFunction(linkerMN);
    final Name linkedCtor = new Name(nf, newArgs);
    linkedCtor.initIndex(initNameIndex);
    lf.names[initNameIndex] = linkedCtor;
    return cmh;
}
Example #24
Source File: BoundMethodHandle.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #25
Source File: BoundMethodHandle.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
private SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #26
Source File: BoundMethodHandle.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #27
Source File: BoundMethodHandle.java    From JDKSourceCode1.8 with MIT License 5 votes vote down vote up 
SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}
Example #28
Source File: BoundMethodHandle.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that
 * represents a MH bound to a generic invoker, which in turn forwards to the corresponding
 * getter.
 */
NamedFunction getterFunction(int i) {
    NamedFunction nf = nominalGetters[i];
    assert(nf.memberDeclaringClassOrNull() == fieldHolder());
    assert(nf.returnType() == fieldType(i));
    return nf;
}
Example #29
Source File: BoundMethodHandle.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
static NamedFunction[] makeNominalGetters(String types, NamedFunction[] nfs, MethodHandle[] getters) {
    if (nfs == null)  nfs = new NamedFunction[types.length()];
    for (int i = 0; i < nfs.length; ++i) {
        nfs[i] = new NamedFunction(getters[i]);
    }
    return nfs;
}
Example #30
Source File: BoundMethodHandle.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) {
    this.typeChars = types;
    this.typeCodes = basicTypes(types);
    this.clazz = clazz;
    if (!INIT_DONE) {
        this.constructor = new MethodHandle[1];  // only one ctor
        this.getters = new MethodHandle[types.length()];
        this.nominalGetters = new NamedFunction[types.length()];
    } else {
        this.constructor = Factory.makeCtors(clazz, types, null);
        this.getters = Factory.makeGetters(clazz, types, null);
        this.nominalGetters = Factory.makeNominalGetters(types, null, this.getters);
    }
    this.extensions = new SpeciesData[ARG_TYPE_LIMIT];
}