Java Code Examples for javax.lang.model.element.VariableElement#getConstantValue()
The following examples show how to use
javax.lang.model.element.VariableElement#getConstantValue() .
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Example 1
| Source File: RetroFacebookProcessor.java From RetroFacebook with Apache License 2.0 | 6 votes |
|
private String getSerialVersionUID(TypeElement type) {
Types typeUtils = processingEnv.getTypeUtils();
TypeMirror serializable = getTypeMirror(Serializable.class);
if (typeUtils.isAssignable(type.asType(), serializable)) {
List<VariableElement> fields = ElementFilter.fieldsIn(type.getEnclosedElements());
for (VariableElement field : fields) {
if (field.getSimpleName().toString().equals("serialVersionUID")) {
Object value = field.getConstantValue();
if (field.getModifiers().containsAll(Arrays.asList(Modifier.STATIC, Modifier.FINAL))
&& field.asType().getKind() == TypeKind.LONG
&& value != null) {
return value + "L";
} else {
errorReporter.reportError(
"serialVersionUID must be a static final long compile-time constant", field);
break;
}
}
}
}
return "";
}
Example 2
| Source File: AutoValueOrOneOfProcessor.java From auto with Apache License 2.0 | 6 votes |
|
/**
* Returns a string like {@code "1234L"} if {@code type instanceof Serializable} and defines
* {@code serialVersionUID = 1234L}; otherwise {@code ""}.
*/
final String getSerialVersionUID(TypeElement type) {
TypeMirror serializable = elementUtils().getTypeElement(Serializable.class.getName()).asType();
if (typeUtils().isAssignable(type.asType(), serializable)) {
List<VariableElement> fields = ElementFilter.fieldsIn(type.getEnclosedElements());
for (VariableElement field : fields) {
if (field.getSimpleName().contentEquals("serialVersionUID")) {
Object value = field.getConstantValue();
if (field.getModifiers().containsAll(Arrays.asList(Modifier.STATIC, Modifier.FINAL))
&& field.asType().getKind() == TypeKind.LONG
&& value != null) {
return value + "L";
} else {
errorReporter.reportError(
field, "serialVersionUID must be a static final long compile-time constant");
break;
}
}
}
}
return "";
}
Example 3
| Source File: SwitchRewriter.java From j2objc with Apache License 2.0 | 6 votes |
|
@Override
public void endVisit(SwitchCase node) {
Expression expr = node.getExpression();
VariableElement var = expr != null ? TreeUtil.getVariableElement(expr) : null;
if (var == null) {
return;
}
TypeMirror type = var.asType();
if (TypeUtil.isEnum(type)) {
String enumValue =
NameTable.getNativeEnumName(nameTable.getFullName(TypeUtil.asTypeElement(type))) + "_"
+ nameTable.getVariableBaseName(var);
node.setExpression(new NativeExpression(enumValue, typeUtil.getInt()));
} else if (type.getKind().isPrimitive() && var.getKind() == ElementKind.LOCAL_VARIABLE) {
Object value = var.getConstantValue();
if (value != null) {
node.setExpression(TreeUtil.newLiteral(value, typeUtil));
}
}
}
Example 4
| Source File: ConstantsSummaryBuilder.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Return true if the given class has constant fields to document.
*
* @param typeElement the class being checked.
* @return true if the given package has constant fields to document.
*/
private boolean hasConstantField (TypeElement typeElement) {
VisibleMemberMap visibleMemberMapFields = configuration.getVisibleMemberMap(typeElement,
VisibleMemberMap.Kind.FIELDS);
List<Element> fields = visibleMemberMapFields.getLeafMembers();
for (Element f : fields) {
VariableElement field = (VariableElement)f;
if (field.getConstantValue() != null) {
typeElementsWithConstFields.add(typeElement);
return true;
}
}
return false;
}
Example 5
| Source File: SerializedFormBuilder.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/**
* Build the serial UID information for the given class.
*
* @param node the XML element that specifies which components to document
* @param classTree content tree to which the serial UID information will be added
*/
public void buildSerialUIDInfo(XMLNode node, Content classTree) {
Content serialUidTree = writer.getSerialUIDInfoHeader();
for (Element e : utils.getFieldsUnfiltered(currentTypeElement)) {
VariableElement field = (VariableElement)e;
if (field.getSimpleName().toString().compareTo(SERIAL_VERSION_UID) == 0 &&
field.getConstantValue() != null) {
writer.addSerialUIDInfo(SERIAL_VERSION_UID_HEADER,
utils.constantValueExpresion(field), serialUidTree);
break;
}
}
classTree.addContent(serialUidTree);
}
Example 6
| Source File: ClassFileConverter.java From j2objc with Apache License 2.0 | 5 votes |
|
private TreeNode convertFieldDeclaration(VariableElement element) {
Object constantValue = element.getConstantValue();
Expression initializer = constantValue != null
? TreeUtil.newLiteral(constantValue, translationEnv.typeUtil()) : null;
FieldDeclaration fieldDecl = new FieldDeclaration(element, initializer);
convertBodyDeclaration(fieldDecl, element);
return fieldDecl;
}
Example 7
| Source File: WebServiceVisitor.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
protected boolean isLegalSei(TypeElement interfaceElement) {
for (VariableElement field : ElementFilter.fieldsIn(interfaceElement.getEnclosedElements()))
if (field.getConstantValue() != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_SEI_CANNOT_CONTAIN_CONSTANT_VALUES(
interfaceElement.getQualifiedName(), field.getSimpleName()));
return false;
}
return methodsAreLegal(interfaceElement);
}
Example 8
| Source File: WebServiceVisitor.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
protected boolean isLegalSei(TypeElement interfaceElement) {
for (VariableElement field : ElementFilter.fieldsIn(interfaceElement.getEnclosedElements()))
if (field.getConstantValue() != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_SEI_CANNOT_CONTAIN_CONSTANT_VALUES(
interfaceElement.getQualifiedName(), field.getSimpleName()));
return false;
}
return methodsAreLegal(interfaceElement);
}
Example 9
| Source File: ValueType.java From immutables with Apache License 2.0 | 5 votes |
|
private Long findSerialVersionUID() {
for (VariableElement field : ElementFilter.fieldsIn(element.getEnclosedElements())) {
if (field.getSimpleName().contentEquals(SERIAL_VERSION_FIELD_NAME)
&& field.asType().getKind() == TypeKind.LONG) {
return (Long) field.getConstantValue();
}
}
return null;
}
Example 10
| Source File: PubapiVisitor.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
@Override @DefinedBy(Api.LANGUAGE_MODEL)
public Void visitVariable(VariableElement e, Void p) {
if (isNonPrivate(e)) {
Object constVal = e.getConstantValue();
String constValStr = null;
// TODO: This doesn't seem to be entirely accurate. What if I change
// from, say, 0 to 0L? (And the field is public final static so that
// it could get inlined.)
if (constVal != null) {
if (e.asType().toString().equals("char")) {
// What type is 'value'? Is it already a char?
char c = constVal.toString().charAt(0);
constValStr = "'" + encodeChar(c) + "'";
} else {
constValStr = constVal.toString()
.chars()
.mapToObj(PubapiVisitor::encodeChar)
.collect(Collectors.joining("", "\"", "\""));
}
}
PubVar v = new PubVar(e.getModifiers(),
TypeDesc.fromType(e.asType()),
e.toString(),
constValStr);
collectedApi.variables.put(v.identifier, v);
}
// Safe to not recurse here, because the only thing
// to visit here is the constructor of a variable declaration.
// If it happens to contain an anonymous inner class (which it might)
// then this class is never visible outside of the package anyway, so
// we are allowed to ignore it here.
return null;
}
Example 11
| Source File: WebServiceVisitor.java From hottub with GNU General Public License v2.0 | 5 votes |
|
protected boolean isLegalSei(TypeElement interfaceElement) {
for (VariableElement field : ElementFilter.fieldsIn(interfaceElement.getEnclosedElements()))
if (field.getConstantValue() != null) {
builder.processError(WebserviceapMessages.WEBSERVICEAP_SEI_CANNOT_CONTAIN_CONSTANT_VALUES(
interfaceElement.getQualifiedName(), field.getSimpleName()));
return false;
}
return methodsAreLegal(interfaceElement);
}
Example 12
| Source File: Gen.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
protected String defineForStatic(TypeElement c, VariableElement f)
throws Util.Exit {
CharSequence cnamedoc = c.getQualifiedName();
CharSequence fnamedoc = f.getSimpleName();
String cname = mangler.mangle(cnamedoc, Mangle.Type.CLASS);
String fname = mangler.mangle(fnamedoc, Mangle.Type.FIELDSTUB);
if (!f.getModifiers().contains(Modifier.STATIC))
util.bug("tried.to.define.non.static");
if (f.getModifiers().contains(Modifier.FINAL)) {
Object value = null;
value = f.getConstantValue();
if (value != null) { /* so it is a ConstantExpression */
String constString = null;
if ((value instanceof Integer)
|| (value instanceof Byte)
|| (value instanceof Short)) {
/* covers byte, short, int */
constString = value.toString() + "L";
} else if (value instanceof Boolean) {
constString = ((Boolean) value) ? "1L" : "0L";
} else if (value instanceof Character) {
Character ch = (Character) value;
constString = String.valueOf(((int) ch) & 0xffff) + "L";
} else if (value instanceof Long) {
// Visual C++ supports the i64 suffix, not LL.
if (isWindows)
constString = value.toString() + "i64";
else
constString = value.toString() + "LL";
} else if (value instanceof Float) {
/* bug for bug */
float fv = ((Float)value).floatValue();
if (Float.isInfinite(fv))
constString = ((fv < 0) ? "-" : "") + "Inff";
else
constString = value.toString() + "f";
} else if (value instanceof Double) {
/* bug for bug */
double d = ((Double)value).doubleValue();
if (Double.isInfinite(d))
constString = ((d < 0) ? "-" : "") + "InfD";
else
constString = value.toString();
}
if (constString != null) {
StringBuilder s = new StringBuilder("#undef ");
s.append(cname); s.append("_"); s.append(fname); s.append(lineSep);
s.append("#define "); s.append(cname); s.append("_");
s.append(fname); s.append(" "); s.append(constString);
return s.toString();
}
}
}
return null;
}
Example 13
| Source File: Gen.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
protected String defineForStatic(TypeElement c, VariableElement f)
throws Util.Exit {
CharSequence cnamedoc = c.getQualifiedName();
CharSequence fnamedoc = f.getSimpleName();
String cname = mangler.mangle(cnamedoc, Mangle.Type.CLASS);
String fname = mangler.mangle(fnamedoc, Mangle.Type.FIELDSTUB);
if (!f.getModifiers().contains(Modifier.STATIC))
util.bug("tried.to.define.non.static");
if (f.getModifiers().contains(Modifier.FINAL)) {
Object value = null;
value = f.getConstantValue();
if (value != null) { /* so it is a ConstantExpression */
String constString = null;
if ((value instanceof Integer)
|| (value instanceof Byte)
|| (value instanceof Short)) {
/* covers byte, short, int */
constString = value.toString() + "L";
} else if (value instanceof Boolean) {
constString = ((Boolean) value) ? "1L" : "0L";
} else if (value instanceof Character) {
Character ch = (Character) value;
constString = String.valueOf(((int) ch) & 0xffff) + "L";
} else if (value instanceof Long) {
// Visual C++ supports the i64 suffix, not LL.
if (isWindows)
constString = value.toString() + "i64";
else
constString = value.toString() + "LL";
} else if (value instanceof Float) {
/* bug for bug */
float fv = ((Float)value).floatValue();
if (Float.isInfinite(fv))
constString = ((fv < 0) ? "-" : "") + "Inff";
else
constString = value.toString() + "f";
} else if (value instanceof Double) {
/* bug for bug */
double d = ((Double)value).doubleValue();
if (Double.isInfinite(d))
constString = ((d < 0) ? "-" : "") + "InfD";
else
constString = value.toString();
}
if (constString != null) {
StringBuilder s = new StringBuilder("#undef ");
s.append(cname); s.append("_"); s.append(fname); s.append(lineSep);
s.append("#define "); s.append(cname); s.append("_");
s.append(fname); s.append(" "); s.append(constString);
return s.toString();
}
}
}
return null;
}
Example 14
| Source File: LLNI.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
protected String addStaticStructMember(VariableElement field, String cname) {
String res = null;
Object exp = null;
if (!field.getModifiers().contains(Modifier.STATIC))
return res;
if (!field.getModifiers().contains(Modifier.FINAL))
return res;
exp = field.getConstantValue();
if (exp != null) {
/* Constant. */
String cn = cname + "_" + field.getSimpleName();
String suffix = null;
long val = 0;
/* Can only handle int, long, float, and double fields. */
if (exp instanceof Byte
|| exp instanceof Short
|| exp instanceof Integer) {
suffix = "L";
val = ((Number)exp).intValue();
}
else if (exp instanceof Long) {
// Visual C++ supports the i64 suffix, not LL
suffix = isWindows ? "i64" : "LL";
val = ((Long)exp).longValue();
}
else if (exp instanceof Float) suffix = "f";
else if (exp instanceof Double) suffix = "";
else if (exp instanceof Character) {
suffix = "L";
Character ch = (Character) exp;
val = ((int) ch) & 0xffff;
}
if (suffix != null) {
// Some compilers will generate a spurious warning
// for the integer constants for Integer.MIN_VALUE
// and Long.MIN_VALUE so we handle them specially.
if ((suffix.equals("L") && (val == Integer.MIN_VALUE)) ||
(suffix.equals("LL") && (val == Long.MIN_VALUE))) {
res = " #undef " + cn + lineSep
+ " #define " + cn
+ " (" + (val + 1) + suffix + "-1)" + lineSep;
} else if (suffix.equals("L") || suffix.endsWith("LL")) {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + val + suffix + lineSep;
} else {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + exp + suffix + lineSep;
}
}
}
return res;
}
Example 15
| Source File: PropertyProcessor.java From jasperreports with GNU Lesser General Public License v3.0 | 4 votes |
|
protected CompiledPropertyMetadata toPropertyMetadata(VariableElement element, AnnotationMirror propertyAnnotation)
{
Map<? extends ExecutableElement, ? extends AnnotationValue> annotationValues = processingEnv.getElementUtils().getElementValuesWithDefaults(propertyAnnotation);
CompiledPropertyMetadata property = new CompiledPropertyMetadata();
String propName = (String) annotationValue(annotationValues, "name").getValue();
if (propName == null || propName.isEmpty())
{
propName = (String) element.getConstantValue();
if (propName == null)
{
processingEnv.getMessager().printMessage(Kind.WARNING, "Failed to read constant value for " + element,
element);
return null;
}
}
property.setName(propName);
boolean deprecated = processingEnv.getElementUtils().isDeprecated(element);
property.setDeprecated(deprecated);
QualifiedNameable enclosingElement = (QualifiedNameable) element.getEnclosingElement();
property.setConstantDeclarationClass(enclosingElement.getQualifiedName().toString());
property.setConstantFieldName(element.getSimpleName().toString());
property.setCategory((String) annotationValue(annotationValues, "category").getValue());
property.setDefaultValue((String) annotationValue(annotationValues, "defaultValue").getValue());
property.setSinceVersion((String) annotationValue(annotationValues, "sinceVersion").getValue());
property.setValueType(((TypeMirror) annotationValue(annotationValues, "valueType").getValue()).toString());
@SuppressWarnings("unchecked")
List<? extends AnnotationValue> scopeValues = (List<? extends AnnotationValue>) annotationValue(annotationValues, "scopes").getValue();
List<PropertyScope> propertyScopes = new ArrayList<>(scopeValues.size());
for (AnnotationValue scopeValue : scopeValues)
{
PropertyScope scope = Enum.valueOf(PropertyScope.class, ((VariableElement) scopeValue.getValue()).getSimpleName().toString());
propertyScopes.add(scope);
}
//automatically adding Global if Context is present
int contextIndex = propertyScopes.indexOf(PropertyScope.CONTEXT);
if (contextIndex >= 0 && !propertyScopes.contains(PropertyScope.GLOBAL))
{
propertyScopes.add(contextIndex, PropertyScope.GLOBAL);
}
//automatically adding Report if Dataset is present
int datasetIndex = propertyScopes.indexOf(PropertyScope.DATASET);
if (datasetIndex >= 0 && !propertyScopes.contains(PropertyScope.REPORT))
{
propertyScopes.add(datasetIndex, PropertyScope.REPORT);
}
property.setScopes(propertyScopes);
@SuppressWarnings("unchecked")
List<? extends AnnotationValue> scopeQualificationValues = (List<? extends AnnotationValue>) annotationValue(annotationValues, "scopeQualifications").getValue();
List<String> scopeQualifications = new ArrayList<>(scopeValues.size());
for (AnnotationValue qualificationValue : scopeQualificationValues)
{
String qualification = (String) qualificationValue.getValue();
scopeQualifications.add(qualification);
}
property.setScopeQualifications(scopeQualifications);
return property;
}
Example 16
| Source File: Gen.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
protected String defineForStatic(TypeElement c, VariableElement f)
throws Util.Exit {
CharSequence cnamedoc = c.getQualifiedName();
CharSequence fnamedoc = f.getSimpleName();
String cname = mangler.mangle(cnamedoc, Mangle.Type.CLASS);
String fname = mangler.mangle(fnamedoc, Mangle.Type.FIELDSTUB);
if (!f.getModifiers().contains(Modifier.STATIC))
util.bug("tried.to.define.non.static");
if (f.getModifiers().contains(Modifier.FINAL)) {
Object value = null;
value = f.getConstantValue();
if (value != null) { /* so it is a ConstantExpression */
String constString = null;
if ((value instanceof Integer)
|| (value instanceof Byte)
|| (value instanceof Short)) {
/* covers byte, short, int */
constString = value.toString() + "L";
} else if (value instanceof Boolean) {
constString = ((Boolean) value) ? "1L" : "0L";
} else if (value instanceof Character) {
Character ch = (Character) value;
constString = String.valueOf(((int) ch) & 0xffff) + "L";
} else if (value instanceof Long) {
// Visual C++ supports the i64 suffix, not LL.
if (isWindows)
constString = value.toString() + "i64";
else
constString = value.toString() + "LL";
} else if (value instanceof Float) {
/* bug for bug */
float fv = ((Float)value).floatValue();
if (Float.isInfinite(fv))
constString = ((fv < 0) ? "-" : "") + "Inff";
else
constString = value.toString() + "f";
} else if (value instanceof Double) {
/* bug for bug */
double d = ((Double)value).doubleValue();
if (Double.isInfinite(d))
constString = ((d < 0) ? "-" : "") + "InfD";
else
constString = value.toString();
}
if (constString != null) {
StringBuilder s = new StringBuilder("#undef ");
s.append(cname); s.append("_"); s.append(fname); s.append(lineSep);
s.append("#define "); s.append(cname); s.append("_");
s.append(fname); s.append(" "); s.append(constString);
return s.toString();
}
}
}
return null;
}
Example 17
| Source File: LLNI.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
protected String addStaticStructMember(VariableElement field, String cname) {
String res = null;
Object exp = null;
if (!field.getModifiers().contains(Modifier.STATIC))
return res;
if (!field.getModifiers().contains(Modifier.FINAL))
return res;
exp = field.getConstantValue();
if (exp != null) {
/* Constant. */
String cn = cname + "_" + field.getSimpleName();
String suffix = null;
long val = 0;
/* Can only handle int, long, float, and double fields. */
if (exp instanceof Byte
|| exp instanceof Short
|| exp instanceof Integer) {
suffix = "L";
val = ((Number)exp).intValue();
}
else if (exp instanceof Long) {
// Visual C++ supports the i64 suffix, not LL
suffix = isWindows ? "i64" : "LL";
val = ((Long)exp).longValue();
}
else if (exp instanceof Float) suffix = "f";
else if (exp instanceof Double) suffix = "";
else if (exp instanceof Character) {
suffix = "L";
Character ch = (Character) exp;
val = ((int) ch) & 0xffff;
}
if (suffix != null) {
// Some compilers will generate a spurious warning
// for the integer constants for Integer.MIN_VALUE
// and Long.MIN_VALUE so we handle them specially.
if ((suffix.equals("L") && (val == Integer.MIN_VALUE)) ||
(suffix.equals("LL") && (val == Long.MIN_VALUE))) {
res = " #undef " + cn + lineSep
+ " #define " + cn
+ " (" + (val + 1) + suffix + "-1)" + lineSep;
} else if (suffix.equals("L") || suffix.endsWith("LL")) {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + val + suffix + lineSep;
} else {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + exp + suffix + lineSep;
}
}
}
return res;
}
Example 18
| Source File: LLNI.java From hottub with GNU General Public License v2.0 | 4 votes |
|
protected String addStaticStructMember(VariableElement field, String cname) {
String res = null;
Object exp = null;
if (!field.getModifiers().contains(Modifier.STATIC))
return res;
if (!field.getModifiers().contains(Modifier.FINAL))
return res;
exp = field.getConstantValue();
if (exp != null) {
/* Constant. */
String cn = cname + "_" + field.getSimpleName();
String suffix = null;
long val = 0;
/* Can only handle int, long, float, and double fields. */
if (exp instanceof Byte
|| exp instanceof Short
|| exp instanceof Integer) {
suffix = "L";
val = ((Number)exp).intValue();
}
else if (exp instanceof Long) {
// Visual C++ supports the i64 suffix, not LL
suffix = isWindows ? "i64" : "LL";
val = ((Long)exp).longValue();
}
else if (exp instanceof Float) suffix = "f";
else if (exp instanceof Double) suffix = "";
else if (exp instanceof Character) {
suffix = "L";
Character ch = (Character) exp;
val = ((int) ch) & 0xffff;
}
if (suffix != null) {
// Some compilers will generate a spurious warning
// for the integer constants for Integer.MIN_VALUE
// and Long.MIN_VALUE so we handle them specially.
if ((suffix.equals("L") && (val == Integer.MIN_VALUE)) ||
(suffix.equals("LL") && (val == Long.MIN_VALUE))) {
res = " #undef " + cn + lineSep
+ " #define " + cn
+ " (" + (val + 1) + suffix + "-1)" + lineSep;
} else if (suffix.equals("L") || suffix.endsWith("LL")) {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + val + suffix + lineSep;
} else {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + exp + suffix + lineSep;
}
}
}
return res;
}
Example 19
| Source File: Gen.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
protected String defineForStatic(TypeElement c, VariableElement f)
throws Util.Exit {
CharSequence cnamedoc = c.getQualifiedName();
CharSequence fnamedoc = f.getSimpleName();
String cname = mangler.mangle(cnamedoc, Mangle.Type.CLASS);
String fname = mangler.mangle(fnamedoc, Mangle.Type.FIELDSTUB);
if (!f.getModifiers().contains(Modifier.STATIC))
util.bug("tried.to.define.non.static");
if (f.getModifiers().contains(Modifier.FINAL)) {
Object value = null;
value = f.getConstantValue();
if (value != null) { /* so it is a ConstantExpression */
String constString = null;
if ((value instanceof Integer)
|| (value instanceof Byte)
|| (value instanceof Short)) {
/* covers byte, short, int */
constString = value.toString() + "L";
} else if (value instanceof Boolean) {
constString = ((Boolean) value) ? "1L" : "0L";
} else if (value instanceof Character) {
Character ch = (Character) value;
constString = String.valueOf(((int) ch) & 0xffff) + "L";
} else if (value instanceof Long) {
// Visual C++ supports the i64 suffix, not LL.
if (isWindows)
constString = value.toString() + "i64";
else
constString = value.toString() + "LL";
} else if (value instanceof Float) {
/* bug for bug */
float fv = ((Float)value).floatValue();
if (Float.isInfinite(fv))
constString = ((fv < 0) ? "-" : "") + "Inff";
else
constString = value.toString() + "f";
} else if (value instanceof Double) {
/* bug for bug */
double d = ((Double)value).doubleValue();
if (Double.isInfinite(d))
constString = ((d < 0) ? "-" : "") + "InfD";
else
constString = value.toString();
}
if (constString != null) {
StringBuilder s = new StringBuilder("#undef ");
s.append(cname); s.append("_"); s.append(fname); s.append(lineSep);
s.append("#define "); s.append(cname); s.append("_");
s.append(fname); s.append(" "); s.append(constString);
return s.toString();
}
}
}
return null;
}
Example 20
| Source File: LLNI.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
protected String addStaticStructMember(VariableElement field, String cname) {
String res = null;
Object exp = null;
if (!field.getModifiers().contains(Modifier.STATIC))
return res;
if (!field.getModifiers().contains(Modifier.FINAL))
return res;
exp = field.getConstantValue();
if (exp != null) {
/* Constant. */
String cn = cname + "_" + field.getSimpleName();
String suffix = null;
long val = 0;
/* Can only handle int, long, float, and double fields. */
if (exp instanceof Byte
|| exp instanceof Short
|| exp instanceof Integer) {
suffix = "L";
val = ((Number)exp).intValue();
}
else if (exp instanceof Long) {
// Visual C++ supports the i64 suffix, not LL
suffix = isWindows ? "i64" : "LL";
val = ((Long)exp).longValue();
}
else if (exp instanceof Float) suffix = "f";
else if (exp instanceof Double) suffix = "";
else if (exp instanceof Character) {
suffix = "L";
Character ch = (Character) exp;
val = ((int) ch) & 0xffff;
}
if (suffix != null) {
// Some compilers will generate a spurious warning
// for the integer constants for Integer.MIN_VALUE
// and Long.MIN_VALUE so we handle them specially.
if ((suffix.equals("L") && (val == Integer.MIN_VALUE)) ||
(suffix.equals("LL") && (val == Long.MIN_VALUE))) {
res = " #undef " + cn + lineSep
+ " #define " + cn
+ " (" + (val + 1) + suffix + "-1)" + lineSep;
} else if (suffix.equals("L") || suffix.endsWith("LL")) {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + val + suffix + lineSep;
} else {
res = " #undef " + cn + lineSep
+ " #define " + cn + " " + exp + suffix + lineSep;
}
}
}
return res;
}
