org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/classfmt/ClassFileConstants.java - objectteams/org.eclipse.objectteams - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *     Fraunhofer FIRST - extended API and implementation
  *     Technical University Berlin - extended API and implementation
  *     Jesper S Moller - Contributions for
  *							Bug 405066 - [1.8][compiler][codegen] Implement code generation infrastructure for JSR335
  *							Bug 406982 - [1.8][compiler] Generation of MethodParameters Attribute in classfile
  *     Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for
  *                          Bug 405104 - [1.8][compiler][codegen] Implement support for serializeable lambdas
  *******************************************************************************/
 package org.eclipse.jdt.internal.compiler.classfmt;

 import org.eclipse.jdt.internal.compiler.ast.ASTNode;

 /**
  * OTDT changes:
  * What: more constants: team, valueParam
  */
 public interface ClassFileConstants {

 	int AccDefault = 0;
 	/*
 	 * Modifiers
 	 */
 	int AccPublic       = 0x0001;
 	int AccPrivate      = 0x0002;
 	int AccProtected    = 0x0004;
 	int AccStatic       = 0x0008;
 	int AccFinal        = 0x0010;
 	int AccSynchronized = 0x0020;
 	int AccVolatile     = 0x0040;
 	int AccBridge       = 0x0040;
 	int AccTransient    = 0x0080;
 	int AccVarargs      = 0x0080;
 	int AccNative       = 0x0100;
 	int AccInterface    = 0x0200;
 	int AccAbstract     = 0x0400;
 	int AccStrictfp     = 0x0800;
 	int AccSynthetic    = 0x1000;
 	int AccAnnotation   = 0x2000;
 	int AccEnum         = 0x4000;
 	int AccModule		= 0x8000;

 /**
 	 * From classfile version 52 (compliance 1.8 up), meaning that a formal parameter is mandated
 	 * by a language specification, so all compilers for the language must emit it.
 	 */
 	int AccMandated     = 0x8000;

 	/**
 	 * Flags in module declaration - since java9
 	 */
 	int ACC_OPEN			= 0x0020;
 	int ACC_TRANSITIVE 		= 0x0020;
 	int ACC_STATIC_PHASE	= 0x0040;
 	int ACC_SYNTHETIC 		= 0x1000;

 	/**
 	 * Other VM flags.
 	 */
 	int AccSuper = 0x0020;

 	/**
 	 * Extra flags for types and members attributes (not from the JVMS, should have been defined in ExtraCompilerModifiers).
 	 */
 	int AccAnnotationDefault = ASTNode.Bit18; // indicate presence of an attribute  "DefaultValue" (annotation method)
 	int AccDeprecated = ASTNode.Bit21; // indicate presence of an attribute "Deprecated"

 	int Utf8Tag = 1;
 	int IntegerTag = 3;
 	int FloatTag = 4;
 	int LongTag = 5;
 	int DoubleTag = 6;
 	int ClassTag = 7;
 	int StringTag = 8;
 	int FieldRefTag = 9;
 	int MethodRefTag = 10;
 	int InterfaceMethodRefTag = 11;
 	int NameAndTypeTag = 12;
 	int MethodHandleTag = 15;
 	int MethodTypeTag = 16;
 	int DynamicTag = 17;
 	int InvokeDynamicTag = 18;
 	int ModuleTag = 19;
 	int PackageTag = 20;

 	int ConstantMethodRefFixedSize = 5;
 	int ConstantClassFixedSize = 3;
 	int ConstantDoubleFixedSize = 9;
 	int ConstantFieldRefFixedSize = 5;
 	int ConstantFloatFixedSize = 5;
 	int ConstantIntegerFixedSize = 5;
 	int ConstantInterfaceMethodRefFixedSize = 5;
 	int ConstantLongFixedSize = 9;
 	int ConstantStringFixedSize = 3;
 	int ConstantUtf8FixedSize = 3;
 	int ConstantNameAndTypeFixedSize = 5;
 	int ConstantMethodHandleFixedSize = 4;
 	int ConstantMethodTypeFixedSize = 3;
 	int ConstantDynamicFixedSize = 5;
 	int ConstantInvokeDynamicFixedSize = 5;
 	int ConstantModuleFixedSize = 3;
 	int ConstantPackageFixedSize = 3;

 	// JVMS 4.4.8
 	int MethodHandleRefKindGetField = 1;
 	int MethodHandleRefKindGetStatic = 2;
 	int MethodHandleRefKindPutField = 3;
 	int MethodHandleRefKindPutStatic = 4;
 	int MethodHandleRefKindInvokeVirtual = 5;
 	int MethodHandleRefKindInvokeStatic = 6;
 	int MethodHandleRefKindInvokeSpecial = 7;
 	int MethodHandleRefKindNewInvokeSpecial = 8;
 	int MethodHandleRefKindInvokeInterface = 9;

 	int MAJOR_VERSION_1_1 = 45;
 	int MAJOR_VERSION_1_2 = 46;
 	int MAJOR_VERSION_1_3 = 47;
 	int MAJOR_VERSION_1_4 = 48;
 	int MAJOR_VERSION_1_5 = 49;
 	int MAJOR_VERSION_1_6 = 50;
 	int MAJOR_VERSION_1_7 = 51;
 	int MAJOR_VERSION_1_8 = 52;
 	int MAJOR_VERSION_9 = 53;
 	int MAJOR_VERSION_10 = 54;
 	int MAJOR_VERSION_11 = 55;
 	int MAJOR_VERSION_12 = 56;
 	int MAJOR_VERSION_13 = 57;
 	int MAJOR_VERSION_14 = 58;
 	int MAJOR_VERSION_15 = 59;
 	int MAJOR_VERSION_16 = 60;
 	int MAJOR_VERSION_17 = 61;

 	int MAJOR_VERSION_0 = 44;
 	int MAJOR_LATEST_VERSION = MAJOR_VERSION_17;

 	int MINOR_VERSION_0 = 0;
 	int MINOR_VERSION_1 = 1;
 	int MINOR_VERSION_2 = 2;
 	int MINOR_VERSION_3 = 3;
 	int MINOR_VERSION_4 = 4;
 	int MINOR_VERSION_PREVIEW = 0xffff;

 	// JDK 1.1 -> 9, comparable value allowing to check both major/minor version at once 1.4.1 > 1.4.0
 	// 16 unsigned bits for major, then 16 bits for minor
 	long JDK1_1 = ((long)ClassFileConstants.MAJOR_VERSION_1_1 << 16) + ClassFileConstants.MINOR_VERSION_3; // 1.1. is 45.3
 	long JDK1_2 =  ((long)ClassFileConstants.MAJOR_VERSION_1_2 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK1_3 =  ((long)ClassFileConstants.MAJOR_VERSION_1_3 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK1_4 = ((long)ClassFileConstants.MAJOR_VERSION_1_4 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK1_5 = ((long)ClassFileConstants.MAJOR_VERSION_1_5 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK1_6 = ((long)ClassFileConstants.MAJOR_VERSION_1_6 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK1_7 = ((long)ClassFileConstants.MAJOR_VERSION_1_7 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK1_8 = ((long)ClassFileConstants.MAJOR_VERSION_1_8 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK9 = ((long)ClassFileConstants.MAJOR_VERSION_9 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK10 = ((long)ClassFileConstants.MAJOR_VERSION_10 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK11 = ((long)ClassFileConstants.MAJOR_VERSION_11 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK12 = ((long)ClassFileConstants.MAJOR_VERSION_12 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK13 = ((long)ClassFileConstants.MAJOR_VERSION_13 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK14 = ((long)ClassFileConstants.MAJOR_VERSION_14 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK15 = ((long)ClassFileConstants.MAJOR_VERSION_15 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK16 = ((long)ClassFileConstants.MAJOR_VERSION_16 << 16) + ClassFileConstants.MINOR_VERSION_0;
 	long JDK17 = ((long)ClassFileConstants.MAJOR_VERSION_17 << 16) + ClassFileConstants.MINOR_VERSION_0;

 	public static long getLatestJDKLevel() {
 		return ((long)ClassFileConstants.MAJOR_LATEST_VERSION << 16) + ClassFileConstants.MINOR_VERSION_0;
 	}

 	/**
 	 * As we move away from declaring every compliance level explicitly (such as JDK11, JDK12 etc.),
 	 * this method can be used to compute the compliance level on the fly for a given Java major version.
 	 *
 	 * @param major Java major version
 	 * @return the compliance level for the given Java version
 	 */
 	public static long getComplianceLevelForJavaVersion(int major) {
 		switch(major) {
 			case ClassFileConstants.MAJOR_VERSION_1_1:
 				return ((long)ClassFileConstants.MAJOR_VERSION_1_1 << 16) + ClassFileConstants.MINOR_VERSION_3;
 			default:
 				major = Math.min(major, MAJOR_LATEST_VERSION);
 				return ((long)major << 16) + ClassFileConstants.MINOR_VERSION_0;
 		}
 	}
 	/*
 	 * cldc1.1 is 45.3, but we modify it to be different from JDK1_1.
 	 * In the code gen, we will generate the same target value as JDK1_1
 	 */
 	long CLDC_1_1 = ((long)ClassFileConstants.MAJOR_VERSION_1_1 << 16) + ClassFileConstants.MINOR_VERSION_4;

 	// jdk level used to denote future releases: optional behavior is not enabled for now, but may become so. In order to enable these,
 	// search for references to this constant, and change it to one of the official JDT constants above.
 	long JDK_DEFERRED = Long.MAX_VALUE;

 	int INT_ARRAY = 10;
 	int BYTE_ARRAY = 8;
 	int BOOLEAN_ARRAY = 4;
 	int SHORT_ARRAY = 9;
 	int CHAR_ARRAY = 5;
 	int LONG_ARRAY = 11;
 	int FLOAT_ARRAY = 6;
 	int DOUBLE_ARRAY = 7;

 	// Debug attributes
 	int ATTR_SOURCE = 0x1; // SourceFileAttribute
 	int ATTR_LINES = 0x2; // LineNumberAttribute
 	int ATTR_VARS = 0x4; // LocalVariableTableAttribute
 	int ATTR_STACK_MAP_TABLE = 0x8; // Stack map table attribute
 	int ATTR_STACK_MAP = 0x10; // Stack map attribute: cldc
 	int ATTR_TYPE_ANNOTATION = 0x20; // type annotation attribute (jsr 308)
 	int ATTR_METHOD_PARAMETERS = 0x40; // method parameters attribute (jep 118)

 	// See java.lang.invoke.LambdaMetafactory constants - option bitflags when calling altMetaFactory()
 	int FLAG_SERIALIZABLE = 0x01;
 	int FLAG_MARKERS = 0x02;
 	int FLAG_BRIDGES = 0x04;
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2021 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	* Fraunhofer FIRST - extended API and implementation
	* Technical University Berlin - extended API and implementation
	* Jesper S Moller - Contributions for
	* Bug 405066 - [1.8][compiler][codegen] Implement code generation infrastructure for JSR335
	* Bug 406982 - [1.8][compiler] Generation of MethodParameters Attribute in classfile
	* Andy Clement (GoPivotal, Inc) aclement@gopivotal.com - Contributions for
	* Bug 405104 - [1.8][compiler][codegen] Implement support for serializeable lambdas
	*******************************************************************************/
	package org.eclipse.jdt.internal.compiler.classfmt;

	import org.eclipse.jdt.internal.compiler.ast.ASTNode;

	/**
	* OTDT changes:
	* What: more constants: team, valueParam
	*/
	public interface ClassFileConstants {

	int AccDefault = 0;
	/*
	* Modifiers
	*/
	int AccPublic = 0x0001;
	int AccPrivate = 0x0002;
	int AccProtected = 0x0004;
	int AccStatic = 0x0008;
	int AccFinal = 0x0010;
	int AccSynchronized = 0x0020;
	int AccVolatile = 0x0040;
	int AccBridge = 0x0040;
	int AccTransient = 0x0080;
	int AccVarargs = 0x0080;
	int AccNative = 0x0100;
	int AccInterface = 0x0200;
	int AccAbstract = 0x0400;
	int AccStrictfp = 0x0800;
	int AccSynthetic = 0x1000;
	int AccAnnotation = 0x2000;
	int AccEnum = 0x4000;
	int AccModule = 0x8000;

	/**
	* From classfile version 52 (compliance 1.8 up), meaning that a formal parameter is mandated
	* by a language specification, so all compilers for the language must emit it.
	*/
	int AccMandated = 0x8000;

	/**
	* Flags in module declaration - since java9
	*/
	int ACC_OPEN = 0x0020;
	int ACC_TRANSITIVE = 0x0020;
	int ACC_STATIC_PHASE = 0x0040;
	int ACC_SYNTHETIC = 0x1000;

	/**
	* Other VM flags.
	*/
	int AccSuper = 0x0020;

	/**
	* Extra flags for types and members attributes (not from the JVMS, should have been defined in ExtraCompilerModifiers).
	*/
	int AccAnnotationDefault = ASTNode.Bit18; // indicate presence of an attribute "DefaultValue" (annotation method)
	int AccDeprecated = ASTNode.Bit21; // indicate presence of an attribute "Deprecated"

	int Utf8Tag = 1;
	int IntegerTag = 3;
	int FloatTag = 4;
	int LongTag = 5;
	int DoubleTag = 6;
	int ClassTag = 7;
	int StringTag = 8;
	int FieldRefTag = 9;
	int MethodRefTag = 10;
	int InterfaceMethodRefTag = 11;
	int NameAndTypeTag = 12;
	int MethodHandleTag = 15;
	int MethodTypeTag = 16;
	int DynamicTag = 17;
	int InvokeDynamicTag = 18;
	int ModuleTag = 19;
	int PackageTag = 20;

	int ConstantMethodRefFixedSize = 5;
	int ConstantClassFixedSize = 3;
	int ConstantDoubleFixedSize = 9;
	int ConstantFieldRefFixedSize = 5;
	int ConstantFloatFixedSize = 5;
	int ConstantIntegerFixedSize = 5;
	int ConstantInterfaceMethodRefFixedSize = 5;
	int ConstantLongFixedSize = 9;
	int ConstantStringFixedSize = 3;
	int ConstantUtf8FixedSize = 3;
	int ConstantNameAndTypeFixedSize = 5;
	int ConstantMethodHandleFixedSize = 4;
	int ConstantMethodTypeFixedSize = 3;
	int ConstantDynamicFixedSize = 5;
	int ConstantInvokeDynamicFixedSize = 5;
	int ConstantModuleFixedSize = 3;
	int ConstantPackageFixedSize = 3;

	// JVMS 4.4.8
	int MethodHandleRefKindGetField = 1;
	int MethodHandleRefKindGetStatic = 2;
	int MethodHandleRefKindPutField = 3;
	int MethodHandleRefKindPutStatic = 4;
	int MethodHandleRefKindInvokeVirtual = 5;
	int MethodHandleRefKindInvokeStatic = 6;
	int MethodHandleRefKindInvokeSpecial = 7;
	int MethodHandleRefKindNewInvokeSpecial = 8;
	int MethodHandleRefKindInvokeInterface = 9;

	int MAJOR_VERSION_1_1 = 45;
	int MAJOR_VERSION_1_2 = 46;
	int MAJOR_VERSION_1_3 = 47;
	int MAJOR_VERSION_1_4 = 48;
	int MAJOR_VERSION_1_5 = 49;
	int MAJOR_VERSION_1_6 = 50;
	int MAJOR_VERSION_1_7 = 51;
	int MAJOR_VERSION_1_8 = 52;
	int MAJOR_VERSION_9 = 53;
	int MAJOR_VERSION_10 = 54;
	int MAJOR_VERSION_11 = 55;
	int MAJOR_VERSION_12 = 56;
	int MAJOR_VERSION_13 = 57;
	int MAJOR_VERSION_14 = 58;
	int MAJOR_VERSION_15 = 59;
	int MAJOR_VERSION_16 = 60;
	int MAJOR_VERSION_17 = 61;

	int MAJOR_VERSION_0 = 44;
	int MAJOR_LATEST_VERSION = MAJOR_VERSION_17;

	int MINOR_VERSION_0 = 0;
	int MINOR_VERSION_1 = 1;
	int MINOR_VERSION_2 = 2;
	int MINOR_VERSION_3 = 3;
	int MINOR_VERSION_4 = 4;
	int MINOR_VERSION_PREVIEW = 0xffff;

	// JDK 1.1 -> 9, comparable value allowing to check both major/minor version at once 1.4.1 > 1.4.0
	// 16 unsigned bits for major, then 16 bits for minor
	long JDK1_1 = ((long)ClassFileConstants.MAJOR_VERSION_1_1 << 16) + ClassFileConstants.MINOR_VERSION_3; // 1.1. is 45.3
	long JDK1_2 = ((long)ClassFileConstants.MAJOR_VERSION_1_2 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK1_3 = ((long)ClassFileConstants.MAJOR_VERSION_1_3 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK1_4 = ((long)ClassFileConstants.MAJOR_VERSION_1_4 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK1_5 = ((long)ClassFileConstants.MAJOR_VERSION_1_5 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK1_6 = ((long)ClassFileConstants.MAJOR_VERSION_1_6 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK1_7 = ((long)ClassFileConstants.MAJOR_VERSION_1_7 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK1_8 = ((long)ClassFileConstants.MAJOR_VERSION_1_8 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK9 = ((long)ClassFileConstants.MAJOR_VERSION_9 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK10 = ((long)ClassFileConstants.MAJOR_VERSION_10 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK11 = ((long)ClassFileConstants.MAJOR_VERSION_11 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK12 = ((long)ClassFileConstants.MAJOR_VERSION_12 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK13 = ((long)ClassFileConstants.MAJOR_VERSION_13 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK14 = ((long)ClassFileConstants.MAJOR_VERSION_14 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK15 = ((long)ClassFileConstants.MAJOR_VERSION_15 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK16 = ((long)ClassFileConstants.MAJOR_VERSION_16 << 16) + ClassFileConstants.MINOR_VERSION_0;
	long JDK17 = ((long)ClassFileConstants.MAJOR_VERSION_17 << 16) + ClassFileConstants.MINOR_VERSION_0;

	public static long getLatestJDKLevel() {
	return ((long)ClassFileConstants.MAJOR_LATEST_VERSION << 16) + ClassFileConstants.MINOR_VERSION_0;
	}

	/**
	* As we move away from declaring every compliance level explicitly (such as JDK11, JDK12 etc.),
	* this method can be used to compute the compliance level on the fly for a given Java major version.
	*
	* @param major Java major version
	* @return the compliance level for the given Java version
	*/
	public static long getComplianceLevelForJavaVersion(int major) {
	switch(major) {
	case ClassFileConstants.MAJOR_VERSION_1_1:
	return ((long)ClassFileConstants.MAJOR_VERSION_1_1 << 16) + ClassFileConstants.MINOR_VERSION_3;
	default:
	major = Math.min(major, MAJOR_LATEST_VERSION);
	return ((long)major << 16) + ClassFileConstants.MINOR_VERSION_0;
	}
	}
	/*
	* cldc1.1 is 45.3, but we modify it to be different from JDK1_1.
	* In the code gen, we will generate the same target value as JDK1_1
	*/
	long CLDC_1_1 = ((long)ClassFileConstants.MAJOR_VERSION_1_1 << 16) + ClassFileConstants.MINOR_VERSION_4;

	// jdk level used to denote future releases: optional behavior is not enabled for now, but may become so. In order to enable these,
	// search for references to this constant, and change it to one of the official JDT constants above.
	long JDK_DEFERRED = Long.MAX_VALUE;

	int INT_ARRAY = 10;
	int BYTE_ARRAY = 8;
	int BOOLEAN_ARRAY = 4;
	int SHORT_ARRAY = 9;
	int CHAR_ARRAY = 5;
	int LONG_ARRAY = 11;
	int FLOAT_ARRAY = 6;
	int DOUBLE_ARRAY = 7;

	// Debug attributes
	int ATTR_SOURCE = 0x1; // SourceFileAttribute
	int ATTR_LINES = 0x2; // LineNumberAttribute
	int ATTR_VARS = 0x4; // LocalVariableTableAttribute
	int ATTR_STACK_MAP_TABLE = 0x8; // Stack map table attribute
	int ATTR_STACK_MAP = 0x10; // Stack map attribute: cldc
	int ATTR_TYPE_ANNOTATION = 0x20; // type annotation attribute (jsr 308)
	int ATTR_METHOD_PARAMETERS = 0x40; // method parameters attribute (jep 118)

	// See java.lang.invoke.LambdaMetafactory constants - option bitflags when calling altMetaFactory()
	int FLAG_SERIALIZABLE = 0x01;
	int FLAG_MARKERS = 0x02;
	int FLAG_BRIDGES = 0x04;
	}