本文整理汇总了Java中org.eclipse.xtext.xbase.XNumberLiteral类的典型用法代码示例。如果您正苦于以下问题：Java XNumberLiteral类的具体用法？Java XNumberLiteral怎么用？Java XNumberLiteral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。
XNumberLiteral类属于org.eclipse.xtext.xbase包，在下文中一共展示了XNumberLiteral类的20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: getTypeQualifier
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
protected String getTypeQualifier(XNumberLiteral literal) {
String valueAsLowerCase = literal.getValue().toLowerCase();
switch (getBase(literal)) {
case 16:
int index = valueAsLowerCase.indexOf('#');
if (index != -1)
return valueAsLowerCase.substring(index + 1);
else
return "";
case 10:
if (valueAsLowerCase.endsWith("bi") || valueAsLowerCase.endsWith("bd"))
return valueAsLowerCase.substring(valueAsLowerCase.length() - 2);
char lastChar = valueAsLowerCase.charAt(literal.getValue().length() - 1);
switch (lastChar) {
case 'l':
case 'd':
case 'f':
return Character.toString(lastChar);
default:
return "";
}
default:
throw new IllegalArgumentException("Invalid number literal base " + getBase(literal));
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:26，代码来源:NumberLiterals.java
示例2: getXbaseDigits
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
protected String getXbaseDigits(XNumberLiteral literal) {
String value = literal.getValue();
int length = value.length();
String typeQualifier = getTypeQualifier(literal);
switch (getBase(literal)) {
case 10:
return value.substring(0, length - typeQualifier.length());
case 16:
if (equal("", typeQualifier))
return value.substring(2, length - typeQualifier.length());
else
return value.substring(2, length - typeQualifier.length() - 1);
default:
throw new IllegalArgumentException("Invalid number literal base " + getBase(literal));
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:17，代码来源:NumberLiterals.java
示例3: isFloatingPoint
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
protected boolean isFloatingPoint(XNumberLiteral literal) {
if (literal.getValue().indexOf('.') != -1) {
return true;
}
String lowerCaseValue = literal.getValue().toLowerCase();
switch (getBase(literal)) {
case 16:
return false;
case 10:
if (lowerCaseValue.indexOf('e') != -1)
return true;
char lastChar = lowerCaseValue.charAt(literal.getValue().length() - 1);
return lastChar == 'd' || lastChar == 'f';
default:
throw new IllegalArgumentException("Invalid number literal base " + getBase(literal));
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:18，代码来源:NumberLiterals.java
示例4: getExplicitJavaType
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
protected Class<? extends Number> getExplicitJavaType(XNumberLiteral literal) {
String typeQualifier = getTypeQualifier(literal);
if (equal("", typeQualifier))
return null;
else if (equal("f", typeQualifier))
return Float.TYPE;
else if (equal("l", typeQualifier))
return Long.TYPE;
else if (equal("d", typeQualifier))
return Double.TYPE;
else if (equal("bi", typeQualifier))
return BigInteger.class;
else if (equal("bd", typeQualifier))
return BigDecimal.class;
else
throw new IllegalArgumentException("Invalid type qualifier " + typeQualifier);
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:18，代码来源:NumberLiterals.java
示例5: getExponent
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
public String getExponent(XNumberLiteral literal, String digits) {
if (isHex(literal))
return null;
int e = digits.indexOf('e');
if (e == -1) {
e = digits.indexOf('E');
}
if (e != -1) {
if (e != digits.length() - 1 && (digits.charAt(e + 1) == '+' || digits.charAt(e + 1) == '-')) {
e++;
}
if (e < digits.length() - 1) {
String exponent = digits.substring(e + 1);
return exponent;
}
}
return null;
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:19，代码来源:NumberLiterals.java
示例6: toBigDecimal
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
public BigDecimal toBigDecimal(XNumberLiteral literal) {
if (isFloatingPoint(literal)) {
String digits = getDigits(literal);
String exponent = getExponent(literal, digits);
if (exponent != null && exponent.length() > 10) {
throw new NumberFormatException("Too many nonzero exponent digits.");
}
return new BigDecimal(digits);
} else {
int base = getBase(literal);
switch (base) {
case 16:
return new BigDecimal(new BigInteger(getDigits(literal), base));
case 10:
return new BigDecimal(getDigits(literal));
default:
throw new IllegalArgumentException("Invalid number literal base " + base);
}
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:21，代码来源:NumberLiterals.java
示例7: internalToConvertedExpression
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
@Override
protected void internalToConvertedExpression(XExpression obj, ITreeAppendable appendable) {
if (obj instanceof XStringLiteral) {
_toJavaExpression((XStringLiteral) obj, appendable);
} else if (obj instanceof XNumberLiteral) {
_toJavaExpression((XNumberLiteral) obj, appendable);
} else if (obj instanceof XNullLiteral) {
_toJavaExpression((XNullLiteral) obj, appendable);
} else if (obj instanceof XBooleanLiteral) {
_toJavaExpression((XBooleanLiteral) obj, appendable);
} else if (obj instanceof XTypeLiteral) {
_toJavaExpression((XTypeLiteral) obj, appendable);
} else {
super.internalToConvertedExpression(obj, appendable);
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:17，代码来源:LiteralsCompiler.java
示例8: doInternalToJavaStatement
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
@Override
protected void doInternalToJavaStatement(XExpression obj, ITreeAppendable appendable, boolean isReferenced) {
if (obj instanceof XStringLiteral) {
_toJavaStatement((XStringLiteral) obj, appendable, isReferenced);
} else if (obj instanceof XNumberLiteral) {
_toJavaStatement((XNumberLiteral) obj, appendable, isReferenced);
} else if (obj instanceof XNullLiteral) {
_toJavaStatement((XNullLiteral) obj, appendable, isReferenced);
} else if (obj instanceof XBooleanLiteral) {
_toJavaStatement((XBooleanLiteral) obj, appendable, isReferenced);
} else if (obj instanceof XTypeLiteral) {
_toJavaStatement((XTypeLiteral) obj, appendable, isReferenced);
} else {
super.doInternalToJavaStatement(obj, appendable, isReferenced);
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:17，代码来源:LiteralsCompiler.java
示例9: _doEvaluate
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
/**
* @param context unused in this context but required for dispatching
* @param indicator unused in this context but required for dispatching
*/
@SuppressWarnings("unchecked")
protected Object _doEvaluate(XNumberLiteral literal, IEvaluationContext context, CancelIndicator indicator) {
IResolvedTypes resolvedTypes = typeResolver.resolveTypes(literal);
LightweightTypeReference expectedType = resolvedTypes.getExpectedType(literal);
Class<? extends Number> type = numberLiterals.getJavaType(literal);
if (expectedType != null && expectedType.isSubtypeOf(Number.class)) {
try {
Class<?> expectedClassType = getJavaType(expectedType.toJavaCompliantTypeReference().getType());
if (expectedClassType.isPrimitive()) {
expectedClassType = ReflectionUtil.getObjectType(expectedClassType);
}
if (Number.class != expectedClassType && Number.class.isAssignableFrom(expectedClassType)) {
type = (Class<? extends Number>) expectedClassType;
}
} catch (ClassNotFoundException e) {
}
}
return numberLiterals.numberValue(literal, type);
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:24，代码来源:XbaseInterpreter.java
示例10: isConstant
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
public boolean isConstant(final XExpression expression) {
if (expression instanceof XAbstractFeatureCall) {
return _isConstant((XAbstractFeatureCall)expression);
} else if (expression instanceof XBooleanLiteral) {
return _isConstant((XBooleanLiteral)expression);
} else if (expression instanceof XCastedExpression) {
return _isConstant((XCastedExpression)expression);
} else if (expression instanceof XNumberLiteral) {
return _isConstant((XNumberLiteral)expression);
} else if (expression instanceof XStringLiteral) {
return _isConstant((XStringLiteral)expression);
} else if (expression instanceof XTypeLiteral) {
return _isConstant((XTypeLiteral)expression);
} else if (expression != null) {
return _isConstant(expression);
} else {
throw new IllegalArgumentException("Unhandled parameter types: " +
Arrays.<Object>asList(expression).toString());
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:21，代码来源:ConstantExpressionValidator.java
示例11: testIntegerAnnotation
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
@Test
public void testIntegerAnnotation() {
try {
final XAnnotationsFactory f = XAnnotationsFactory.eINSTANCE;
final XExpression e = this.expression("\'Foo\'");
final XAnnotation anno = f.createXAnnotation();
JvmType _findDeclaredType = this.references.findDeclaredType(TestAnnotation3.class, e);
final JvmAnnotationType annotatiomType = ((JvmAnnotationType) _findDeclaredType);
anno.setAnnotationType(annotatiomType);
final XAnnotationElementValuePair pair = f.createXAnnotationElementValuePair();
pair.setElement(IterableExtensions.<JvmOperation>head(annotatiomType.getDeclaredOperations()));
pair.setValue(this.expression("10"));
EList<XAnnotationElementValuePair> _elementValuePairs = anno.getElementValuePairs();
this._jvmTypesBuilder.<XAnnotationElementValuePair>operator_add(_elementValuePairs, pair);
final JvmGenericType type = this.typesFactory.createJvmGenericType();
this._jvmTypesBuilder.addAnnotation(type, anno);
Assert.assertEquals(anno.getAnnotationType(), IterableExtensions.<JvmAnnotationReference>head(type.getAnnotations()).getAnnotation());
Assert.assertEquals(1, IterableExtensions.<JvmAnnotationReference>head(type.getAnnotations()).getValues().size());
JvmAnnotationValue _head = IterableExtensions.<JvmAnnotationValue>head(IterableExtensions.<JvmAnnotationReference>head(type.getAnnotations()).getValues());
final JvmCustomAnnotationValue value = ((JvmCustomAnnotationValue) _head);
EObject _head_1 = IterableExtensions.<EObject>head(value.getValues());
Assert.assertTrue((_head_1 instanceof XNumberLiteral));
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:27，代码来源:JvmTypesBuilderTest.java
示例12: checkRightHandSideHasOnlyIntegralNumbers
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
/**
* Validates that all XNumberLiterals in this expression, which occurs on the right-hand side of a formal parameter
* declaration/definition, have indeed integral values.
*
* @param value
* to check
* @param issueCode
* to issue if the validation fails
*/
protected void checkRightHandSideHasOnlyIntegralNumbers(final XExpression value, final String issueCode) {
if (value != null) {
List<XExpression> exprs = (value instanceof XListLiteral) ? ((XListLiteral) value).getElements() : Collections.singletonList(value);
for (XExpression expr : exprs) {
XExpression e = expr;
while (e instanceof XUnaryOperation) {
e = ((XUnaryOperation) e).getOperand();
}
if (e instanceof XNumberLiteral) {
try {
Integer.decode(((XNumberLiteral) e).getValue());
} catch (NumberFormatException ex) {
error("Only integral values as numbers are allowed in check parameters", expr, null, issueCode); // TODO: NLS
}
}
}
}
}
开发者ID:dsldevkit，项目名称:dsl-devkit，代码行数:28，代码来源:FormalParameterCheckBase.java
示例13: checkNumberFormat
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
@Check
protected void checkNumberFormat(XNumberLiteral literal) {
try {
numberLiterals.numberValue(literal, numberLiterals.getJavaType(literal));
} catch (Exception e) {
error("Invalid number format: " + e.getMessage(), Literals.XNUMBER_LITERAL__VALUE, INVALID_NUMBER_FORMAT);
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:9，代码来源:XbaseValidator.java
示例14: toJavaLiteral
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
public String toJavaLiteral(XNumberLiteral literal, boolean removeUnderscores) {
if (getJavaType(literal).isPrimitive()) {
boolean floatingPoint = isFloatingPoint(literal);
String value = literal.getValue();
if (!floatingPoint && !value.startsWith("0x")) {
// strip leading zeros since they denote octal literals
value = value.replaceAll("^[0_]+(\\d)", "$1");
}
if (removeUnderscores)
return value.replace("_", "").replace("#", "");
else
return value.replace("#", "");
} else
return null;
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:16，代码来源:NumberLiterals.java
示例15: isHex
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
protected boolean isHex(XNumberLiteral literal) {
String text = literal.getValue();
if (text.length() >= 2) {
char second = text.charAt(1);
return text.charAt(0) == '0' && (second == 'X' || second =='x');
}
return false;
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:9，代码来源:NumberLiterals.java
示例16: hasSideEffects
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
/**
* @return whether the expression itself (not its children) possibly causes a side-effect
*/
public boolean hasSideEffects(XExpression expr) {
if (expr instanceof XClosure
|| expr instanceof XStringLiteral
|| expr instanceof XTypeLiteral
|| expr instanceof XBooleanLiteral
|| expr instanceof XNumberLiteral
|| expr instanceof XNullLiteral
|| expr instanceof XAnnotation
)
return false;
if(expr instanceof XCollectionLiteral) {
for(XExpression element: ((XCollectionLiteral)expr).getElements()) {
if(hasSideEffects(element))
return true;
}
return false;
}
if (expr instanceof XAbstractFeatureCall) {
XAbstractFeatureCall featureCall = (XAbstractFeatureCall) expr;
return hasSideEffects(featureCall, true);
}
if (expr instanceof XConstructorCall) {
XConstructorCall constrCall = (XConstructorCall) expr;
return findPureAnnotation(constrCall.getConstructor()) == null;
}
return true;
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:31，代码来源:XExpressionHelper.java
示例17: isVariableDeclarationRequired
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
@Override
protected boolean isVariableDeclarationRequired(XExpression expr, ITreeAppendable b, boolean recursive) {
if (expr instanceof XBooleanLiteral
|| expr instanceof XStringLiteral
|| expr instanceof XNumberLiteral
|| expr instanceof XTypeLiteral
|| expr instanceof XClosure
|| expr instanceof XNullLiteral)
return false;
return super.isVariableDeclarationRequired(expr,b, recursive);
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:12，代码来源:LiteralsCompiler.java
示例18: internalEvaluate
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
public EvaluationResult internalEvaluate(final XExpression it, final EvaluationContext context) {
if (it instanceof XBinaryOperation) {
return _internalEvaluate((XBinaryOperation)it, context);
} else if (it instanceof XUnaryOperation) {
return _internalEvaluate((XUnaryOperation)it, context);
} else if (it instanceof XAbstractFeatureCall) {
return _internalEvaluate((XAbstractFeatureCall)it, context);
} else if (it instanceof XBooleanLiteral) {
return _internalEvaluate((XBooleanLiteral)it, context);
} else if (it instanceof XCastedExpression) {
return _internalEvaluate((XCastedExpression)it, context);
} else if (it instanceof XNullLiteral) {
return _internalEvaluate((XNullLiteral)it, context);
} else if (it instanceof XNumberLiteral) {
return _internalEvaluate((XNumberLiteral)it, context);
} else if (it instanceof XStringLiteral) {
return _internalEvaluate((XStringLiteral)it, context);
} else if (it instanceof XTypeLiteral) {
return _internalEvaluate((XTypeLiteral)it, context);
} else if (it != null) {
return _internalEvaluate(it, context);
} else if (it == null) {
return _internalEvaluate((Void)null, context);
} else {
throw new IllegalArgumentException("Unhandled parameter types: " +
Arrays.<Object>asList(it, context).toString());
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:29，代码来源:ConstantConditionsInterpreter.java
示例19: internalEvaluate
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
public Object internalEvaluate(final XExpression it, final Context ctx) {
if (it instanceof XBinaryOperation) {
return _internalEvaluate((XBinaryOperation)it, ctx);
} else if (it instanceof XUnaryOperation) {
return _internalEvaluate((XUnaryOperation)it, ctx);
} else if (it instanceof XAbstractFeatureCall) {
return _internalEvaluate((XAbstractFeatureCall)it, ctx);
} else if (it instanceof XBooleanLiteral) {
return _internalEvaluate((XBooleanLiteral)it, ctx);
} else if (it instanceof XCastedExpression) {
return _internalEvaluate((XCastedExpression)it, ctx);
} else if (it instanceof XNumberLiteral) {
return _internalEvaluate((XNumberLiteral)it, ctx);
} else if (it instanceof XStringLiteral) {
return _internalEvaluate((XStringLiteral)it, ctx);
} else if (it instanceof XTypeLiteral) {
return _internalEvaluate((XTypeLiteral)it, ctx);
} else if (it instanceof XAnnotation) {
return _internalEvaluate((XAnnotation)it, ctx);
} else if (it != null) {
return _internalEvaluate(it, ctx);
} else if (it == null) {
return _internalEvaluate((Void)null, ctx);
} else {
throw new IllegalArgumentException("Unhandled parameter types: " +
Arrays.<Object>asList(it, ctx).toString());
}
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:29，代码来源:SwitchConstantExpressionsInterpreter.java
示例20: highlightElement
import org.eclipse.xtext.xbase.XNumberLiteral; //导入依赖的package包/类
@Override
protected boolean highlightElement(EObject object, IHighlightedPositionAcceptor acceptor, CancelIndicator cancelIndicator) {
if (object instanceof XAbstractFeatureCall) {
if (((XAbstractFeatureCall) object).isPackageFragment()) {
return true;
}
if (SPECIAL_FEATURE_NAMES.contains(((XAbstractFeatureCall) object).getConcreteSyntaxFeatureName())) {
return false;
}
operationCanceledManager.checkCanceled(cancelIndicator);
computeFeatureCallHighlighting((XAbstractFeatureCall) object, acceptor);
} else if (object instanceof JvmTypeParameter) {
highlightTypeParameter((JvmTypeParameter) object, acceptor);
} else if (object instanceof JvmFormalParameter) {
highlightFormalParameter((JvmFormalParameter) object, acceptor);
} else if (object instanceof XVariableDeclaration) {
highlightVariableDeclaration((XVariableDeclaration) object, acceptor);
} else if (object instanceof XNumberLiteral) {
highlightNumberLiterals((XNumberLiteral) object, acceptor);
} else if (object instanceof XConstructorCall) {
highlightConstructorCall((XConstructorCall) object, acceptor);
} else if (object instanceof XAnnotation) {
// Handle XAnnotation in a special way because we want the @ highlighted too
highlightAnnotation((XAnnotation) object, acceptor);
} else {
computeReferencedJvmTypeHighlighting(acceptor, object, cancelIndicator);
}
return false;
}
开发者ID:eclipse，项目名称:xtext-extras，代码行数:30，代码来源:XbaseHighlightingCalculator.java
注：本文中的org.eclipse.xtext.xbase.XNumberLiteral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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