Java UnaryExpression类代码示例

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本文整理汇总了Java中org.eclipse.jdt.internal.compiler.ast.UnaryExpression类的典型用法代码示例。如果您正苦于以下问题：Java UnaryExpression类的具体用法？Java UnaryExpression怎么用？Java UnaryExpression使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

UnaryExpression类属于org.eclipse.jdt.internal.compiler.ast包，在下文中一共展示了UnaryExpression类的7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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: invalidOperator

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
public void invalidOperator(UnaryExpression expression, TypeBinding type) {
	this.handle(
		IProblem.InvalidOperator,
		new String[] {expression.operatorToString(), new String(type.readableName())},
		new String[] {expression.operatorToString(), new String(type.shortReadableName())},
		expression.sourceStart,
		expression.sourceEnd);
}

开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:9，代码来源:ProblemReporter.java

示例2: endVisit

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
@Override
public void endVisit(UnaryExpression x, BlockScope scope) {
  try {
    SourceInfo info = makeSourceInfo(x);
    JUnaryOperator op;
    int operator = ((x.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT);

    switch (operator) {
      case OperatorIds.MINUS:
        op = JUnaryOperator.NEG;
        break;

      case OperatorIds.NOT:
        op = JUnaryOperator.NOT;
        break;

      case OperatorIds.PLUS:
        // Odd case.. useless + operator; just leave the operand on the
        // stack.
        return;

      case OperatorIds.TWIDDLE:
        op = JUnaryOperator.BIT_NOT;
        break;

      default:
        throw new InternalCompilerException("Unexpected operator for unary expression");
    }

    JExpression expression = pop(x.expression);
    push(new JPrefixOperation(info, op, expression));
  } catch (Throwable e) {
    throw translateException(x, e);
  }
}

开发者ID:WeTheInternet，项目名称:xapi，代码行数:36，代码来源:GwtAstBuilder.java

示例3: visit

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
@Override public boolean visit(UnaryExpression node, BlockScope scope) {
	fixPositions(setGeneratedBy(node, source));
	return super.visit(node, scope);
}

开发者ID:git03394538，项目名称:lombok-ianchiu，代码行数:5，代码来源:SetGeneratedByVisitor.java

示例4: visit

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
public boolean visit(UnaryExpression unaryExpression, BlockScope scope) {
	addRealFragment(unaryExpression);
	return false;
}

开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:5，代码来源:BinaryExpressionFragmentBuilder.java

示例5: getMemberValue

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
protected Object getMemberValue(org.eclipse.jdt.internal.core.MemberValuePair memberValuePair, Expression expression) {
	if (expression instanceof NullLiteral) {
		return null;
	} else if (expression instanceof Literal) {
		((Literal) expression).computeConstant();
		return Util.getAnnotationMemberValue(memberValuePair, expression.constant);
	} else if (expression instanceof org.eclipse.jdt.internal.compiler.ast.Annotation) {
		org.eclipse.jdt.internal.compiler.ast.Annotation annotation = (org.eclipse.jdt.internal.compiler.ast.Annotation) expression;
		Object handle = acceptAnnotation(annotation, null, (JavaElement) this.handleStack.peek());
		memberValuePair.valueKind = IMemberValuePair.K_ANNOTATION;
		return handle;
	} else if (expression instanceof ClassLiteralAccess) {
		ClassLiteralAccess classLiteral = (ClassLiteralAccess) expression;
		char[] name = CharOperation.concatWith(classLiteral.type.getTypeName(), '.');
		memberValuePair.valueKind = IMemberValuePair.K_CLASS;
		return new String(name);
	} else if (expression instanceof QualifiedNameReference) {
		char[] qualifiedName = CharOperation.concatWith(((QualifiedNameReference) expression).tokens, '.');
		memberValuePair.valueKind = IMemberValuePair.K_QUALIFIED_NAME;
		return new String(qualifiedName);
	} else if (expression instanceof SingleNameReference) {
		char[] simpleName = ((SingleNameReference) expression).token;
		if (simpleName == RecoveryScanner.FAKE_IDENTIFIER) {
			memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
			return null;
		}
		memberValuePair.valueKind = IMemberValuePair.K_SIMPLE_NAME;
		return new String(simpleName);
	} else if (expression instanceof ArrayInitializer) {
		memberValuePair.valueKind = -1; // modified below by the first call to getMemberValue(...)
		Expression[] expressions = ((ArrayInitializer) expression).expressions;
		int length = expressions == null ? 0 : expressions.length;
		Object[] values = new Object[length];
		for (int i = 0; i < length; i++) {
			int previousValueKind = memberValuePair.valueKind;
			Object value = getMemberValue(memberValuePair, expressions[i]);
			if (previousValueKind != -1 && memberValuePair.valueKind != previousValueKind) {
				// values are heterogeneous, value kind is thus unknown
				memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
			}
			values[i] = value;
		}
		if (memberValuePair.valueKind == -1)
			memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
		return values;
	} else if (expression instanceof UnaryExpression) {			// to deal with negative numerals (see bug - 248312)
		UnaryExpression unaryExpression = (UnaryExpression) expression;
		if ((unaryExpression.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT == OperatorIds.MINUS) {
			if (unaryExpression.expression instanceof Literal) {
				Literal subExpression = (Literal) unaryExpression.expression;
				subExpression.computeConstant();
				return Util.getNegativeAnnotationMemberValue(memberValuePair, subExpression.constant);
			}
		}
		memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
		return null;
	} else {
		memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
		return null;
	}
}

开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:62，代码来源:CompilationUnitStructureRequestor.java

示例6: getAnnotationMemberValue

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
private Object getAnnotationMemberValue(MemberValuePair memberValuePair, Expression expression, JavaElement parentElement) {
	if (expression instanceof NullLiteral) {
		return null;
	} else if (expression instanceof Literal) {
		((Literal) expression).computeConstant();
		return Util.getAnnotationMemberValue(memberValuePair, expression.constant);
	} else if (expression instanceof org.eclipse.jdt.internal.compiler.ast.Annotation) {
		memberValuePair.valueKind = IMemberValuePair.K_ANNOTATION;
		return getAnnotation((org.eclipse.jdt.internal.compiler.ast.Annotation) expression, parentElement);
	} else if (expression instanceof ClassLiteralAccess) {
		ClassLiteralAccess classLiteral = (ClassLiteralAccess) expression;
		char[] typeName = CharOperation.concatWith(classLiteral.type.getTypeName(), '.');
		memberValuePair.valueKind = IMemberValuePair.K_CLASS;
		return new String(typeName);
	} else if (expression instanceof QualifiedNameReference) {
		char[] qualifiedName = CharOperation.concatWith(((QualifiedNameReference) expression).tokens, '.');
		memberValuePair.valueKind = IMemberValuePair.K_QUALIFIED_NAME;
		return new String(qualifiedName);
	} else if (expression instanceof SingleNameReference) {
		char[] simpleName = ((SingleNameReference) expression).token;
		if (simpleName == RecoveryScanner.FAKE_IDENTIFIER) {
			memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
			return null;
		}
		memberValuePair.valueKind = IMemberValuePair.K_SIMPLE_NAME;
		return new String(simpleName);
	} else if (expression instanceof ArrayInitializer) {
		memberValuePair.valueKind = -1; // modified below by the first call to getMemberValue(...)
		Expression[] expressions = ((ArrayInitializer) expression).expressions;
		int length = expressions == null ? 0 : expressions.length;
		Object[] values = new Object[length];
		for (int i = 0; i < length; i++) {
			int previousValueKind = memberValuePair.valueKind;
			Object value = getAnnotationMemberValue(memberValuePair, expressions[i], parentElement);
			if (previousValueKind != -1 && memberValuePair.valueKind != previousValueKind) {
				// values are heterogeneous, value kind is thus unknown
				memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
			}
			values[i] = value;
		}
		if (memberValuePair.valueKind == -1)
			memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
		return values;
	} else if (expression instanceof UnaryExpression) {			//to deal with negative numerals (see bug - 248312)
		UnaryExpression unaryExpression = (UnaryExpression) expression;
		if ((unaryExpression.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT == OperatorIds.MINUS) {
			if (unaryExpression.expression instanceof Literal) {
				Literal subExpression = (Literal) unaryExpression.expression;
				subExpression.computeConstant();
				return Util.getNegativeAnnotationMemberValue(memberValuePair, subExpression.constant);
			}
		}
		memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
		return null;
	} else {
		memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
		return null;
	}
}

开发者ID:trylimits，项目名称:Eclipse-Postfix-Code-Completion，代码行数:60，代码来源:LocalVariable.java

示例7: visit

import org.eclipse.jdt.internal.compiler.ast.UnaryExpression; //导入依赖的package包/类
@Override public boolean visit(UnaryExpression node, BlockScope scope) {
	setGeneratedBy(node, source);
	applyOffsetExpression(node);
	return super.visit(node, scope);
}

开发者ID:redundent，项目名称:lombok，代码行数:6，代码来源:SetGeneratedByVisitor.java

注：本文中的org.eclipse.jdt.internal.compiler.ast.UnaryExpression类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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Java UnaryExpression类代码示例

示例1: invalidOperator

示例2: endVisit

示例3: visit

示例4: visit

示例5: getMemberValue

示例6: getAnnotationMemberValue

示例7: visit

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