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);
}
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);
}
}
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);
}
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;
}
}
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);
}