本文整理汇总了Java中org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_2属性的典型用法代码示例。如果您正苦于以下问题：Java ClassFileConstants.JDK1_2属性的具体用法？Java ClassFileConstants.JDK1_2怎么用？Java ClassFileConstants.JDK1_2使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants的用法示例。
在下文中一共展示了ClassFileConstants.JDK1_2属性的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getConstantPoolDeclaringClass
/**
* Returns the type that should be substituted to original binding declaring class as the proper receiver type
* @param currentScope
* @param codegenBinding
* @param actualReceiverType
* @param isImplicitThisReceiver
* @return the receiver type to use in constant pool
*/
public static TypeBinding getConstantPoolDeclaringClass(Scope currentScope, FieldBinding codegenBinding, TypeBinding actualReceiverType, boolean isImplicitThisReceiver) {
ReferenceBinding constantPoolDeclaringClass = codegenBinding.declaringClass;
// if the binding declaring class is not visible, need special action
// for runtime compatibility on 1.2 VMs : change the declaring class of the binding
// NOTE: from target 1.2 on, field's declaring class is touched if any different from receiver type
// and not from Object or implicit static field access.
if (TypeBinding.notEquals(constantPoolDeclaringClass, actualReceiverType.erasure())
&& !actualReceiverType.isArrayType()
&& constantPoolDeclaringClass != null // array.length
&& codegenBinding.constant() == Constant.NotAConstant) {
CompilerOptions options = currentScope.compilerOptions();
if ((options.targetJDK >= ClassFileConstants.JDK1_2
&& (options.complianceLevel >= ClassFileConstants.JDK1_4 || !(isImplicitThisReceiver && codegenBinding.isStatic()))
&& constantPoolDeclaringClass.id != TypeIds.T_JavaLangObject) // no change for Object fields
|| !constantPoolDeclaringClass.canBeSeenBy(currentScope)) {
return actualReceiverType.erasure();
}
}
return constantPoolDeclaringClass;
}
示例2: getConstantPoolDeclaringClass
/**
* Returns the type that should be substituted to original binding declaring class as the proper receiver type
* @param currentScope
* @param codegenBinding
* @param actualReceiverType
* @param isImplicitThisReceiver
* @return the receiver type to use in constant pool
*/
public static TypeBinding getConstantPoolDeclaringClass(Scope currentScope, FieldBinding codegenBinding, TypeBinding actualReceiverType, boolean isImplicitThisReceiver) {
ReferenceBinding constantPoolDeclaringClass = codegenBinding.declaringClass;
// if the binding declaring class is not visible, need special action
// for runtime compatibility on 1.2 VMs : change the declaring class of the binding
// NOTE: from target 1.2 on, field's declaring class is touched if any different from receiver type
// and not from Object or implicit static field access.
if (constantPoolDeclaringClass != actualReceiverType.erasure()
&& !actualReceiverType.isArrayType()
&& constantPoolDeclaringClass != null // array.length
&& codegenBinding.constant() == Constant.NotAConstant) {
CompilerOptions options = currentScope.compilerOptions();
if ((options.targetJDK >= ClassFileConstants.JDK1_2
&& (options.complianceLevel >= ClassFileConstants.JDK1_4 || !(isImplicitThisReceiver && codegenBinding.isStatic()))
&& constantPoolDeclaringClass.id != TypeIds.T_JavaLangObject) // no change for Object fields
|| !constantPoolDeclaringClass.canBeSeenBy(currentScope)) {
return actualReceiverType.erasure();
}
}
return constantPoolDeclaringClass;
}
示例3: versionFromJdkLevel
public static String versionFromJdkLevel(long jdkLevel) {
switch ((int)(jdkLevel>>16)) {
case ClassFileConstants.MAJOR_VERSION_1_1 :
if (jdkLevel == ClassFileConstants.JDK1_1)
return VERSION_1_1;
break;
case ClassFileConstants.MAJOR_VERSION_1_2 :
if (jdkLevel == ClassFileConstants.JDK1_2)
return VERSION_1_2;
break;
case ClassFileConstants.MAJOR_VERSION_1_3 :
if (jdkLevel == ClassFileConstants.JDK1_3)
return VERSION_1_3;
break;
case ClassFileConstants.MAJOR_VERSION_1_4 :
if (jdkLevel == ClassFileConstants.JDK1_4)
return VERSION_1_4;
break;
case ClassFileConstants.MAJOR_VERSION_1_5 :
if (jdkLevel == ClassFileConstants.JDK1_5)
return VERSION_1_5;
break;
case ClassFileConstants.MAJOR_VERSION_1_6 :
if (jdkLevel == ClassFileConstants.JDK1_6)
return VERSION_1_6;
break;
case ClassFileConstants.MAJOR_VERSION_1_7 :
if (jdkLevel == ClassFileConstants.JDK1_7)
return VERSION_1_7;
break;
case ClassFileConstants.MAJOR_VERSION_1_8 :
if (jdkLevel == ClassFileConstants.JDK1_8)
return VERSION_1_8;
break;
}
return Util.EMPTY_STRING; // unknown version
}
示例4: versionToJdkLevel
public static long versionToJdkLevel(Object versionID) {
if (versionID instanceof String) {
String version = (String) versionID;
// verification is optimized for all versions with same length and same "1." prefix
if (version.length() == 3 && version.charAt(0) == '1' && version.charAt(1) == '.') {
switch (version.charAt(2)) {
case '1':
return ClassFileConstants.JDK1_1;
case '2':
return ClassFileConstants.JDK1_2;
case '3':
return ClassFileConstants.JDK1_3;
case '4':
return ClassFileConstants.JDK1_4;
case '5':
return ClassFileConstants.JDK1_5;
case '6':
return ClassFileConstants.JDK1_6;
case '7':
return ClassFileConstants.JDK1_7;
case '8':
return ClassFileConstants.JDK1_8;
default:
return 0; // unknown
}
}
if (VERSION_JSR14.equals(versionID)) {
return ClassFileConstants.JDK1_4;
}
if (VERSION_CLDC1_1.equals(versionID)) {
return ClassFileConstants.CLDC_1_1;
}
}
return 0; // unknown
}
示例5: checkVMVersion
/**
* Return true if and only if the running VM supports the given minimal version.
*
* <p>This only checks the major version, since the minor version is always 0 (at least for the useful cases).</p>
* <p>The given minimalSupportedVersion is one of the constants:</p>
* <ul>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_1</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_2</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_3</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_4</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_5</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_6</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_7</code></li>
* </ul>
* @param minimalSupportedVersion the given minimal version
* @return true if and only if the running VM supports the given minimal version, false otherwise
*/
private boolean checkVMVersion(long minimalSupportedVersion) {
// the format of this property is supposed to be xx.x where x are digits.
String classFileVersion = System.getProperty("java.class.version"); //$NON-NLS-1$
if (classFileVersion == null) {
// by default we don't support a class file version we cannot recognize
return false;
}
int index = classFileVersion.indexOf('.');
if (index == -1) {
// by default we don't support a class file version we cannot recognize
return false;
}
int majorVersion;
try {
majorVersion = Integer.parseInt(classFileVersion.substring(0, index));
} catch (NumberFormatException e) {
// by default we don't support a class file version we cannot recognize
return false;
}
switch(majorVersion) {
case 45 : // 1.0 and 1.1
return ClassFileConstants.JDK1_1 >= minimalSupportedVersion;
case 46 : // 1.2
return ClassFileConstants.JDK1_2 >= minimalSupportedVersion;
case 47 : // 1.3
return ClassFileConstants.JDK1_3 >= minimalSupportedVersion;
case 48 : // 1.4
return ClassFileConstants.JDK1_4 >= minimalSupportedVersion;
case 49 : // 1.5
return ClassFileConstants.JDK1_5 >= minimalSupportedVersion;
case 50 : // 1.6
return ClassFileConstants.JDK1_6 >= minimalSupportedVersion;
case 51 : // 1.7
return ClassFileConstants.JDK1_7 >= minimalSupportedVersion;
}
// unknown version
return false;
}
示例6: versionFromJdkLevel
public static String versionFromJdkLevel(long jdkLevel) {
switch ((int)(jdkLevel>>16)) {
case ClassFileConstants.MAJOR_VERSION_1_1 :
if (jdkLevel == ClassFileConstants.JDK1_1)
return VERSION_1_1;
break;
case ClassFileConstants.MAJOR_VERSION_1_2 :
if (jdkLevel == ClassFileConstants.JDK1_2)
return VERSION_1_2;
break;
case ClassFileConstants.MAJOR_VERSION_1_3 :
if (jdkLevel == ClassFileConstants.JDK1_3)
return VERSION_1_3;
break;
case ClassFileConstants.MAJOR_VERSION_1_4 :
if (jdkLevel == ClassFileConstants.JDK1_4)
return VERSION_1_4;
break;
case ClassFileConstants.MAJOR_VERSION_1_5 :
if (jdkLevel == ClassFileConstants.JDK1_5)
return VERSION_1_5;
break;
case ClassFileConstants.MAJOR_VERSION_1_6 :
if (jdkLevel == ClassFileConstants.JDK1_6)
return VERSION_1_6;
break;
case ClassFileConstants.MAJOR_VERSION_1_7 :
if (jdkLevel == ClassFileConstants.JDK1_7)
return VERSION_1_7;
break;
}
return Util.EMPTY_STRING; // unknown version
}
示例7: versionToJdkLevel
public static long versionToJdkLevel(Object versionID) {
if (versionID instanceof String) {
String version = (String) versionID;
// verification is optimized for all versions with same length and same "1." prefix
if (version.length() == 3 && version.charAt(0) == '1' && version.charAt(1) == '.') {
switch (version.charAt(2)) {
case '1':
return ClassFileConstants.JDK1_1;
case '2':
return ClassFileConstants.JDK1_2;
case '3':
return ClassFileConstants.JDK1_3;
case '4':
return ClassFileConstants.JDK1_4;
case '5':
return ClassFileConstants.JDK1_5;
case '6':
return ClassFileConstants.JDK1_6;
case '7':
return ClassFileConstants.JDK1_7;
default:
return 0; // unknown
}
}
if (VERSION_JSR14.equals(versionID)) {
return ClassFileConstants.JDK1_4;
}
if (VERSION_CLDC1_1.equals(versionID)) {
return ClassFileConstants.CLDC_1_1;
}
}
return 0; // unknown
}
示例8: checkVMVersion
/**
* Return true if and only if the running VM supports the given minimal version.
*
* <p>This only checks the major version, since the minor version is always 0 (at least for the useful cases).</p>
* <p>The given minimalSupportedVersion is one of the constants:</p>
* <ul>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_1</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_2</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_3</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_4</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_5</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_6</code></li>
* <li><code>org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.JDK1_7</code></li>
* </ul>
* @param minimalSupportedVersion the given minimal version
* @return true if and only if the running VM supports the given minimal version, false otherwise
*/
private boolean checkVMVersion(long minimalSupportedVersion) {
// the format of this property is supposed to be xx.x where x are digits.
String classFileVersion = System.getProperty("java.class.version"); //$NON-NLS-1$
if (classFileVersion == null) {
// by default we don't support a class file version we cannot recognize
return false;
}
int index = classFileVersion.indexOf('.');
if (index == -1) {
// by default we don't support a class file version we cannot recognize
return false;
}
int majorVersion;
try {
majorVersion = Integer.parseInt(classFileVersion.substring(0, index));
} catch (NumberFormatException e) {
// by default we don't support a class file version we cannot recognize
return false;
}
switch(majorVersion) {
case ClassFileConstants.MAJOR_VERSION_1_1 : // 1.0 and 1.1
return ClassFileConstants.JDK1_1 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_2 : // 1.2
return ClassFileConstants.JDK1_2 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_3 : // 1.3
return ClassFileConstants.JDK1_3 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_4 : // 1.4
return ClassFileConstants.JDK1_4 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_5 : // 1.5
return ClassFileConstants.JDK1_5 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_6 : // 1.6
return ClassFileConstants.JDK1_6 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_7 : // 1.7
return ClassFileConstants.JDK1_7 >= minimalSupportedVersion;
case ClassFileConstants.MAJOR_VERSION_1_8: // 1.8
return ClassFileConstants.JDK1_8 >= minimalSupportedVersion;
}
// unknown version
return false;
}