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Java TypeIds.T_null方法代码示例

本文整理汇总了Java中org.eclipse.jdt.internal.compiler.lookup.TypeIds.T_null方法的典型用法代码示例。如果您正苦于以下问题：Java TypeIds.T_null方法的具体用法？Java TypeIds.T_null怎么用？Java TypeIds.T_null使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.eclipse.jdt.internal.compiler.lookup.TypeIds的用法示例。


在下文中一共展示了TypeIds.T_null方法的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: addExceptionMarker

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
public void addExceptionMarker(int pc, TypeBinding typeBinding) {
	if (this.exceptionMarkers == null) {
		this.exceptionMarkers = new HashSet();
	}
	if (typeBinding == null) {
		this.exceptionMarkers.add(new ExceptionMarker(pc, ConstantPool.JavaLangThrowableConstantPoolName));
	} else {
		switch(typeBinding.id) {
			case TypeIds.T_null :
				this.exceptionMarkers.add(new ExceptionMarker(pc, ConstantPool.JavaLangClassNotFoundExceptionConstantPoolName));
				break;
			case TypeIds.T_long :
				this.exceptionMarkers.add(new ExceptionMarker(pc, ConstantPool.JavaLangNoSuchFieldErrorConstantPoolName));
				break;
			default:
				this.exceptionMarkers.add(new ExceptionMarker(pc, typeBinding.constantPoolName()));
		}
	}
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:20，代码来源:StackMapFrameCodeStream.java

示例2: VerificationTypeInfo

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
public VerificationTypeInfo(TypeBinding binding) {
	this.id = binding.id;
	switch(binding.id) {
		case TypeIds.T_boolean :
		case TypeIds.T_byte :
		case TypeIds.T_char :
		case TypeIds.T_int :
		case TypeIds.T_short :
			this.tag = VerificationTypeInfo.ITEM_INTEGER;
			break;
		case TypeIds.T_float :
			this.tag = VerificationTypeInfo.ITEM_FLOAT;
			break;
		case TypeIds.T_long :
			this.tag = VerificationTypeInfo.ITEM_LONG;
			break;
		case TypeIds.T_double :
			this.tag = VerificationTypeInfo.ITEM_DOUBLE;
			break;
		case TypeIds.T_null :
			this.tag = VerificationTypeInfo.ITEM_NULL;
			break;
		default:
			this.tag =  VerificationTypeInfo.ITEM_OBJECT;
			this.constantPoolName = binding.constantPoolName();
	}
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:28，代码来源:VerificationTypeInfo.java

示例3: setBinding

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
public void setBinding(TypeBinding binding) {
	this.constantPoolName = binding.constantPoolName();
	final int typeBindingId = binding.id;
	this.id = typeBindingId;
	switch(typeBindingId) {
		case TypeIds.T_boolean :
		case TypeIds.T_byte :
		case TypeIds.T_char :
		case TypeIds.T_int :
		case TypeIds.T_short :
			this.tag = VerificationTypeInfo.ITEM_INTEGER;
			break;
		case TypeIds.T_float :
			this.tag = VerificationTypeInfo.ITEM_FLOAT;
			break;
		case TypeIds.T_long :
			this.tag = VerificationTypeInfo.ITEM_LONG;
			break;
		case TypeIds.T_double :
			this.tag = VerificationTypeInfo.ITEM_DOUBLE;
			break;
		case TypeIds.T_null :
			this.tag = VerificationTypeInfo.ITEM_NULL;
			break;
		default:
			this.tag =  VerificationTypeInfo.ITEM_OBJECT;
	}
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:29，代码来源:VerificationTypeInfo.java

示例4: newTypeMirror

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
/**
 * Given a binding of uncertain type, try to create the right sort of TypeMirror for it.
 */
public TypeMirror newTypeMirror(Binding binding) {
	switch (binding.kind()) {
	case Binding.FIELD:
	case Binding.LOCAL:
	case Binding.VARIABLE:
		// For variables, return the type of the variable
		return newTypeMirror(((VariableBinding)binding).type);
		
	case Binding.PACKAGE:
		return getNoType(TypeKind.PACKAGE);
		
	case Binding.IMPORT:
		throw new UnsupportedOperationException("NYI: import type " + binding.kind()); //$NON-NLS-1$

	case Binding.METHOD:
		return new ExecutableTypeImpl(_env, (MethodBinding) binding);
		
	case Binding.TYPE:
	case Binding.RAW_TYPE:
	case Binding.GENERIC_TYPE:
	case Binding.PARAMETERIZED_TYPE:
		ReferenceBinding referenceBinding = (ReferenceBinding) binding;
		if ((referenceBinding.tagBits & TagBits.HasMissingType) != 0) {
			return getErrorType(referenceBinding);
		}
		return new DeclaredTypeImpl(_env, (ReferenceBinding)binding);
		
	case Binding.ARRAY_TYPE:
		return new ArrayTypeImpl(_env, (ArrayBinding)binding);
		
	case Binding.BASE_TYPE:
		BaseTypeBinding btb = (BaseTypeBinding)binding;
		switch (btb.id) {
			case TypeIds.T_void:
				return getNoType(TypeKind.VOID);
			case TypeIds.T_null:
				return getNullType();
			default:
				return getPrimitiveType(btb);
		}

	case Binding.WILDCARD_TYPE:
	case Binding.INTERSECTION_TYPE: // TODO compatible, but shouldn't it really be an intersection type?
		return new WildcardTypeImpl(_env, (WildcardBinding) binding);

	case Binding.TYPE_PARAMETER:
		return new TypeVariableImpl(_env, (TypeVariableBinding) binding);
	}
	return null;
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:54，代码来源:Factory.java

示例5: checkNeedForArgumentCasts

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
/**
 * Check binary operator casted arguments
 */
public static void checkNeedForArgumentCasts(BlockScope scope, int operator, int operatorSignature, Expression left, int leftTypeId, boolean leftIsCast, Expression right, int rightTypeId, boolean rightIsCast) {
	if (scope.compilerOptions().getSeverity(CompilerOptions.UnnecessaryTypeCheck) == ProblemSeverities.Ignore) return;

	// check need for left operand cast
	int alternateLeftTypeId = leftTypeId;
	if (leftIsCast) {
		if ((left.bits & ASTNode.UnnecessaryCast) == 0 && left.resolvedType.isBaseType()) {
			// narrowing conversion on base type may change value, thus necessary
			leftIsCast = false;
		} else  {
			TypeBinding alternateLeftType = ((CastExpression)left).expression.resolvedType;
			if (alternateLeftType == null) return; // cannot do better
			if ((alternateLeftTypeId = alternateLeftType.id) == leftTypeId || scope.environment().computeBoxingType(alternateLeftType).id == leftTypeId) { // obvious identity cast
				scope.problemReporter().unnecessaryCast((CastExpression)left);
				leftIsCast = false;
			} else if (alternateLeftTypeId == TypeIds.T_null) {
				alternateLeftTypeId = leftTypeId;  // tolerate null argument cast
				leftIsCast = false;
			}
		}
	}
	// check need for right operand cast
	int alternateRightTypeId = rightTypeId;
	if (rightIsCast) {
		if ((right.bits & ASTNode.UnnecessaryCast) == 0 && right.resolvedType.isBaseType()) {
			// narrowing conversion on base type may change value, thus necessary
			rightIsCast = false;
		} else {
			TypeBinding alternateRightType = ((CastExpression)right).expression.resolvedType;
			if (alternateRightType == null) return; // cannot do better
			if ((alternateRightTypeId = alternateRightType.id) == rightTypeId || scope.environment().computeBoxingType(alternateRightType).id == rightTypeId) { // obvious identity cast
				scope.problemReporter().unnecessaryCast((CastExpression)right);
				rightIsCast = false;
			} else if (alternateRightTypeId == TypeIds.T_null) {
				alternateRightTypeId = rightTypeId;  // tolerate null argument cast
				rightIsCast = false;
			}
		}
	}
	if (leftIsCast || rightIsCast) {
		if (alternateLeftTypeId > 15 || alternateRightTypeId > 15) { // must convert String + Object || Object + String
			if (alternateLeftTypeId == TypeIds.T_JavaLangString) {
				alternateRightTypeId = TypeIds.T_JavaLangObject;
			} else if (alternateRightTypeId == TypeIds.T_JavaLangString) {
				alternateLeftTypeId = TypeIds.T_JavaLangObject;
			} else {
				return; // invalid operator
			}
		}
		int alternateOperatorSignature = OperatorExpression.OperatorSignatures[operator][(alternateLeftTypeId << 4) + alternateRightTypeId];
		// (cast)  left   Op (cast)  right --> result
		//  1111   0000       1111   0000     1111
		//  <<16   <<12       <<8    <<4       <<0
		final int CompareMASK = (0xF<<16) + (0xF<<8) + 0xF; // mask hiding compile-time types
		if ((operatorSignature & CompareMASK) == (alternateOperatorSignature & CompareMASK)) { // same promotions and result
			if (leftIsCast) scope.problemReporter().unnecessaryCast((CastExpression)left);
			if (rightIsCast) scope.problemReporter().unnecessaryCast((CastExpression)right);
		}
	}
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:64，代码来源:CastExpression.java

示例6: nullityMismatchingTypeAnnotation

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
public void nullityMismatchingTypeAnnotation(Expression expression, TypeBinding providedType, TypeBinding requiredType, NullAnnotationMatching status) 
{
	if (providedType.id == TypeIds.T_null) {
		nullityMismatchIsNull(expression, requiredType);
		return;
	}
	String[] arguments ;
	String[] shortArguments;
		
	int problemId = 0;
	String superHint = null;
	String superHintShort = null;
	if (status.superTypeHint != null) {
		problemId = (status.isUnchecked()
			? IProblem.NullityUncheckedTypeAnnotationDetailSuperHint
			: IProblem.NullityMismatchingTypeAnnotationSuperHint);
		superHint = status.superTypeHintName(this.options, false);
		superHintShort = status.superTypeHintName(this.options, true);
	} else {
		problemId = (status.isUnchecked()
			? IProblem.NullityUncheckedTypeAnnotationDetail
			: (requiredType.isTypeVariable() && !requiredType.hasNullTypeAnnotations())
				? IProblem.NullityMismatchAgainstFreeTypeVariable
				: IProblem.NullityMismatchingTypeAnnotation);
		if (problemId == IProblem.NullityMismatchAgainstFreeTypeVariable) {
			arguments      = new String[] { null, null, new String(requiredType.sourceName()) }; // don't show bounds here
			shortArguments = new String[] { null, null, new String(requiredType.sourceName()) };
		} else {
			arguments      = new String[2];
			shortArguments = new String[2];
		}
	}
	String requiredName;
	String requiredNameShort;
	if (problemId == IProblem.NullityMismatchAgainstFreeTypeVariable) {
		requiredName		= new String(requiredType.sourceName()); // don't show bounds here
		requiredNameShort 	= new String(requiredType.sourceName()); // don't show bounds here
	} else {
		requiredName 		= new String(requiredType.nullAnnotatedReadableName(this.options, false));
		requiredNameShort 	= new String(requiredType.nullAnnotatedReadableName(this.options, true));
	}
	String providedName		 = String.valueOf(providedType.nullAnnotatedReadableName(this.options, false));
	String providedNameShort = String.valueOf(providedType.nullAnnotatedReadableName(this.options, true));
	// assemble arguments:
	if (superHint != null) {
		arguments 		= new String[] { requiredName, providedName, superHint };
		shortArguments 	= new String[] { requiredNameShort, providedNameShort, superHintShort };
	} else {
		arguments 		= new String[] { requiredName, providedName };
		shortArguments 	= new String[] { requiredNameShort, providedNameShort };
	}
	this.handle(problemId, arguments, shortArguments, expression.sourceStart, expression.sourceEnd);
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:54，代码来源:ProblemReporter.java

示例7: replaceWithElementType

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
public void replaceWithElementType() {
	if (this.constantPoolName[1] == 'L') {
		this.constantPoolName = CharOperation.subarray(this.constantPoolName, 2,  this.constantPoolName.length - 1);
	} else {
		this.constantPoolName = CharOperation.subarray(this.constantPoolName, 1, this.constantPoolName.length);
		if (this.constantPoolName.length == 1) {
			switch(this.constantPoolName[0]) {
				case 'I' :
					this.id = TypeIds.T_int;
					break;
				case 'B' :
					this.id = TypeIds.T_byte;
					break;
				case 'S' :
					this.id = TypeIds.T_short;
					break;
				case 'C' :
					this.id = TypeIds.T_char;
					break;
				case 'J' :
					this.id = TypeIds.T_long;
					break;
				case 'F' :
					this.id = TypeIds.T_float;
					break;
				case 'D' :
					this.id = TypeIds.T_double;
					break;
				case 'Z' :
					this.id = TypeIds.T_boolean;
					break;
				case 'N' :
					this.id = TypeIds.T_null;
					break;
				case 'V' :
					this.id = TypeIds.T_void;
					break;
			}
		}
	}
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:42，代码来源:VerificationTypeInfo.java

示例8: newTypeMirror

import org.eclipse.jdt.internal.compiler.lookup.TypeIds; //导入方法依赖的package包/类
/**
 * Given a binding of uncertain type, try to create the right sort of TypeMirror for it.
 */
public TypeMirror newTypeMirror(Binding binding) {
	switch (binding.kind()) {
	case Binding.FIELD:
	case Binding.LOCAL:
	case Binding.VARIABLE:
		// For variables, return the type of the variable
		return newTypeMirror(((VariableBinding)binding).type);
		
	case Binding.PACKAGE:
		return getNoType(TypeKind.PACKAGE);
		
	case Binding.IMPORT:
		throw new UnsupportedOperationException("NYI: import type " + binding.kind()); //$NON-NLS-1$

	case Binding.METHOD:
		return new ExecutableTypeImpl(_env, (MethodBinding) binding);
		
	case Binding.TYPE:
	case Binding.RAW_TYPE:
	case Binding.GENERIC_TYPE:
	case Binding.PARAMETERIZED_TYPE:
		ReferenceBinding referenceBinding = (ReferenceBinding) binding;
		if ((referenceBinding.tagBits & TagBits.HasMissingType) != 0) {
			return getErrorType(referenceBinding);
		}
		return new DeclaredTypeImpl(_env, (ReferenceBinding)binding);
		
	case Binding.ARRAY_TYPE:
		return new ArrayTypeImpl(_env, (ArrayBinding)binding);
		
	case Binding.BASE_TYPE:
		BaseTypeBinding btb = (BaseTypeBinding)binding;
		switch (btb.id) {
		case TypeIds.T_void:
			return getNoType(TypeKind.VOID);
		case TypeIds.T_null:
			return getNullType();
		default:
			return getPrimitiveType(PrimitiveTypeImpl.getKind((BaseTypeBinding)binding));
		}

	case Binding.WILDCARD_TYPE:
	case Binding.INTERSECTION_TYPE: // TODO compatible, but shouldn't it really be an intersection type?
		return new WildcardTypeImpl(_env, (WildcardBinding) binding);

	case Binding.TYPE_PARAMETER:
		return new TypeVariableImpl(_env, (TypeVariableBinding) binding);
	}
	return null;
}
开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion-Juno38，代码行数:54，代码来源:Factory.java


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