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JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/lang/constant/MethodTypeDescImpl.java
/* * Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.lang.constant; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; import java.security.AccessController; import java.security.PrivilegedAction; import java.util.Arrays; import java.util.List; import static java.util.Objects.requireNonNull; /** * A <a href="package-summary.html#nominal">nominal descriptor</a> for a * {@link MethodType}. A {@linkplain MethodTypeDescImpl} corresponds to a * {@code Constant_MethodType_info} entry in the constant pool of a classfile. */ final class MethodTypeDescImpl implements MethodTypeDesc { private final ClassDesc returnType; private final ClassDesc[] argTypes; /** * Constructs a {@linkplain MethodTypeDesc} with the specified return type * and parameter types * * @param returnType a {@link ClassDesc} describing the return type * @param argTypes {@link ClassDesc}s describing the parameter types */ MethodTypeDescImpl(ClassDesc returnType, ClassDesc[] argTypes) { this.returnType = requireNonNull(returnType); this.argTypes = requireNonNull(argTypes); for (ClassDesc cr : argTypes) if (cr.isPrimitive() && cr.descriptorString().equals("V")) throw new IllegalArgumentException("Void parameters not permitted"); } /** * Creates a {@linkplain MethodTypeDescImpl} given a method descriptor string. * * @param descriptor the method descriptor string * @return a {@linkplain MethodTypeDescImpl} describing the desired method type * @throws IllegalArgumentException if the descriptor string is not a valid * method descriptor * @jvms 4.3.3 Method Descriptors */ static MethodTypeDescImpl ofDescriptor(String descriptor) { requireNonNull(descriptor); List<String> types = ConstantUtils.parseMethodDescriptor(descriptor); ClassDesc[] paramTypes = types.stream().skip(1).map(ClassDesc::ofDescriptor).toArray(ClassDesc[]::new); return new MethodTypeDescImpl(ClassDesc.ofDescriptor(types.get(0)), paramTypes); } @Override public ClassDesc returnType() { return returnType; } @Override public int parameterCount() { return argTypes.length; } @Override public ClassDesc parameterType(int index) { return argTypes[index]; } @Override public List<ClassDesc> parameterList() { return List.of(argTypes); } @Override public ClassDesc[] parameterArray() { return argTypes.clone(); } @Override public MethodTypeDesc changeReturnType(ClassDesc returnType) { return MethodTypeDesc.of(returnType, argTypes); } @Override public MethodTypeDesc changeParameterType(int index, ClassDesc paramType) { ClassDesc[] newArgs = argTypes.clone(); newArgs[index] = paramType; return MethodTypeDesc.of(returnType, newArgs); } @Override public MethodTypeDesc dropParameterTypes(int start, int end) { if (start < 0 || start >= argTypes.length || end < 0 || end > argTypes.length || start > end) throw new IndexOutOfBoundsException(); ClassDesc[] newArgs = new ClassDesc[argTypes.length - (end - start)]; System.arraycopy(argTypes, 0, newArgs, 0, start); System.arraycopy(argTypes, end, newArgs, start, argTypes.length - end); return MethodTypeDesc.of(returnType, newArgs); } @Override public MethodTypeDesc insertParameterTypes(int pos, ClassDesc... paramTypes) { if (pos < 0 || pos > argTypes.length) throw new IndexOutOfBoundsException(pos); ClassDesc[] newArgs = new ClassDesc[argTypes.length + paramTypes.length]; System.arraycopy(argTypes, 0, newArgs, 0, pos); System.arraycopy(paramTypes, 0, newArgs, pos, paramTypes.length); System.arraycopy(argTypes, pos, newArgs, pos+paramTypes.length, argTypes.length - pos); return MethodTypeDesc.of(returnType, newArgs); } @Override public MethodType resolveConstantDesc(MethodHandles.Lookup lookup) throws ReflectiveOperationException { @SuppressWarnings("removal") MethodType mtype = AccessController.doPrivileged(new PrivilegedAction<>() { @Override public MethodType run() { return MethodType.fromMethodDescriptorString(descriptorString(), lookup.lookupClass().getClassLoader()); } }); // let's check that the lookup has access to all the types in the method type lookup.accessClass(mtype.returnType()); for (Class<?> paramType: mtype.parameterArray()) { lookup.accessClass(paramType); } return mtype; } /** * Returns {@code true} if this {@linkplain MethodTypeDescImpl} is * equal to another {@linkplain MethodTypeDescImpl}. Equality is * determined by the two descriptors having equal return types and argument * types. * * @param o the {@code MethodTypeDescImpl} to compare to this * {@code MethodTypeDescImpl} * @return {@code true} if the specified {@code MethodTypeDescImpl} * is equal to this {@code MethodTypeDescImpl}. */ @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; MethodTypeDescImpl constant = (MethodTypeDescImpl) o; return returnType.equals(constant.returnType) && Arrays.equals(argTypes, constant.argTypes); } @Override public int hashCode() { int result = returnType.hashCode(); result = 31 * result + Arrays.hashCode(argTypes); return result; } @Override public String toString() { return String.format("MethodTypeDesc[%s]", displayDescriptor()); } }
⏎ java/lang/constant/MethodTypeDescImpl.java
Or download all of them as a single archive file:
File name: java.base-17.0.5-src.zip File size: 8883851 bytes Release date: 2022-09-13 Download
2023-09-26, 44328👍, 1💬
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