use of spoon.SpoonException in project spoon by INRIA.
the class JDTSnippetCompiler method build.
@Override
public boolean build(JDTBuilder builder) {
if (factory == null) {
throw new SpoonException("Factory not initialized");
}
boolean srcSuccess;
List<SpoonFile> allFiles = sources.getAllJavaFiles();
factory.getEnvironment().debugMessage("compiling sources: " + allFiles);
long t = System.currentTimeMillis();
javaCompliance = factory.getEnvironment().getComplianceLevel();
try {
srcSuccess = buildSources(builder);
} finally {
// remove snippet compilation unit from the cache (to clear memory) and remember it so client can use it
for (SpoonFile spoonFile : allFiles) {
if (spoonFile.getName().startsWith(SNIPPET_FILENAME_PREFIX)) {
snippetCompilationUnit = factory.CompilationUnit().removeFromCache(spoonFile.getName());
}
}
}
reportProblems(factory.getEnvironment());
factory.getEnvironment().debugMessage("compiled in " + (System.currentTimeMillis() - t) + " ms");
return srcSuccess;
}
use of spoon.SpoonException in project spoon by INRIA.
the class PositionBuilder method buildPositionCtElement.
SourcePosition buildPositionCtElement(CtElement e, ASTNode node) {
CoreFactory cf = this.jdtTreeBuilder.getFactory().Core();
CompilationUnit cu = this.jdtTreeBuilder.getFactory().CompilationUnit().getOrCreate(new String(this.jdtTreeBuilder.getContextBuilder().compilationunitdeclaration.getFileName()));
CompilationResult cr = this.jdtTreeBuilder.getContextBuilder().compilationunitdeclaration.compilationResult;
int[] lineSeparatorPositions = cr.lineSeparatorPositions;
char[] contents = cr.compilationUnit.getContents();
int sourceStart = node.sourceStart;
int sourceEnd = node.sourceEnd;
if ((node instanceof Annotation)) {
Annotation ann = (Annotation) node;
int declEnd = ann.declarationSourceEnd;
if (declEnd > 0) {
sourceEnd = declEnd;
}
} else if ((node instanceof Expression)) {
Expression expression = (Expression) node;
int statementEnd = expression.statementEnd;
if (statementEnd > 0) {
sourceEnd = statementEnd;
}
}
if (node instanceof AbstractVariableDeclaration) {
AbstractVariableDeclaration variableDeclaration = (AbstractVariableDeclaration) node;
int modifiersSourceStart = variableDeclaration.modifiersSourceStart;
int declarationSourceStart = variableDeclaration.declarationSourceStart;
int declarationSourceEnd = variableDeclaration.declarationSourceEnd;
int declarationEnd = variableDeclaration.declarationEnd;
Annotation[] annotations = variableDeclaration.annotations;
if (annotations != null && annotations.length > 0) {
if (annotations[0].sourceStart() == sourceStart) {
modifiersSourceStart = annotations[annotations.length - 1].sourceEnd() + 2;
}
}
if (modifiersSourceStart == 0) {
modifiersSourceStart = declarationSourceStart;
}
int modifiersSourceEnd;
if (variableDeclaration.type != null) {
modifiersSourceEnd = variableDeclaration.type.sourceStart() - 2;
} else {
// variable that has no type such as TypeParameter
modifiersSourceEnd = declarationSourceStart - 1;
}
// when no modifier
if (modifiersSourceStart > modifiersSourceEnd) {
modifiersSourceEnd = modifiersSourceStart - 1;
}
return cf.createDeclarationSourcePosition(cu, sourceStart, sourceEnd, modifiersSourceStart, modifiersSourceEnd, declarationSourceStart, declarationSourceEnd, lineSeparatorPositions);
} else if (node instanceof TypeDeclaration) {
TypeDeclaration typeDeclaration = (TypeDeclaration) node;
int declarationSourceStart = typeDeclaration.declarationSourceStart;
int declarationSourceEnd = typeDeclaration.declarationSourceEnd;
int modifiersSourceStart = typeDeclaration.modifiersSourceStart;
int bodyStart = typeDeclaration.bodyStart;
int bodyEnd = typeDeclaration.bodyEnd;
Annotation[] annotations = typeDeclaration.annotations;
if (annotations != null && annotations.length > 0) {
if (annotations[0].sourceStart() == declarationSourceStart) {
modifiersSourceStart = findNextNonWhitespace(contents, annotations[annotations.length - 1].declarationSourceEnd + 1);
}
}
if (modifiersSourceStart == 0) {
modifiersSourceStart = declarationSourceStart;
}
// look for start of first keyword before the type keyword e.g. "class". `sourceStart` points at first char of type name
int modifiersSourceEnd = findPrevNonWhitespace(contents, findPrevWhitespace(contents, findPrevNonWhitespace(contents, sourceStart - 1)));
if (modifiersSourceEnd < modifiersSourceStart) {
// there is no modifier
modifiersSourceEnd = modifiersSourceStart - 1;
}
return cf.createBodyHolderSourcePosition(cu, sourceStart, sourceEnd, modifiersSourceStart, modifiersSourceEnd, declarationSourceStart, declarationSourceEnd, bodyStart - 1, bodyEnd, lineSeparatorPositions);
} else if (node instanceof AbstractMethodDeclaration) {
AbstractMethodDeclaration methodDeclaration = (AbstractMethodDeclaration) node;
int bodyStart = methodDeclaration.bodyStart;
int bodyEnd = methodDeclaration.bodyEnd;
int declarationSourceStart = methodDeclaration.declarationSourceStart;
int declarationSourceEnd = methodDeclaration.declarationSourceEnd;
int modifiersSourceStart = methodDeclaration.modifiersSourceStart;
if (modifiersSourceStart == 0) {
modifiersSourceStart = declarationSourceStart;
}
if (node instanceof AnnotationMethodDeclaration && bodyStart == bodyEnd) {
// The ";" at the end of annotation method declaration is not part of body
// let it behave same like in abstract MethodDeclaration
bodyEnd--;
}
Javadoc javadoc = methodDeclaration.javadoc;
if (javadoc != null && javadoc.sourceEnd() > declarationSourceStart) {
modifiersSourceStart = javadoc.sourceEnd() + 1;
}
Annotation[] annotations = methodDeclaration.annotations;
if (annotations != null && annotations.length > 0) {
if (annotations[0].sourceStart() == declarationSourceStart) {
modifiersSourceStart = annotations[annotations.length - 1].sourceEnd() + 2;
}
}
int modifiersSourceEnd = sourceStart - 1;
if (methodDeclaration instanceof MethodDeclaration && ((MethodDeclaration) methodDeclaration).returnType != null) {
modifiersSourceEnd = ((MethodDeclaration) methodDeclaration).returnType.sourceStart() - 2;
}
TypeParameter[] typeParameters = methodDeclaration.typeParameters();
if (typeParameters != null && typeParameters.length > 0) {
modifiersSourceEnd = typeParameters[0].declarationSourceStart - 3;
}
if (getModifiers(methodDeclaration.modifiers, false, true).isEmpty()) {
modifiersSourceStart = modifiersSourceEnd + 1;
}
sourceEnd = sourceStart + methodDeclaration.selector.length - 1;
if (e instanceof CtStatementList) {
return cf.createSourcePosition(cu, bodyStart - 1, bodyEnd + 1, lineSeparatorPositions);
} else {
if (bodyStart == 0) {
return SourcePosition.NOPOSITION;
} else {
if (bodyStart < bodyEnd) {
// include brackets if they are there
if (contents[bodyStart - 1] == '{') {
bodyStart--;
if (contents[bodyEnd + 1] == '}') {
bodyEnd++;
} else {
throw new SpoonException("Missing body end in\n" + new String(contents, sourceStart, sourceEnd - sourceStart));
}
}
}
return cf.createBodyHolderSourcePosition(cu, sourceStart, sourceEnd, modifiersSourceStart, modifiersSourceEnd, declarationSourceStart, declarationSourceEnd, bodyStart, bodyEnd, lineSeparatorPositions);
}
}
}
return cf.createSourcePosition(cu, sourceStart, sourceEnd, lineSeparatorPositions);
}
use of spoon.SpoonException in project spoon by INRIA.
the class CtStatementImpl method insertBefore.
/**
* inserts all statements of `statementsToBeInserted` just before `target`
*/
public static void insertBefore(CtStatement target, CtStatementList statementsToBeInserted) throws ParentNotInitializedException {
CtElement targetParent = target.getParent();
if (targetParent instanceof CtExecutable) {
throw new SpoonException("cannot insert in this context (use insertEnd?)");
}
try {
if (target.getParent(CtConstructor.class) != null) {
if (target instanceof CtInvocation && ((CtInvocation<?>) target).getExecutable().getSimpleName().startsWith(CtExecutableReference.CONSTRUCTOR_NAME)) {
throw new SpoonException("cannot insert a statement before a super or this invocation.");
}
}
} catch (ParentNotInitializedException ignore) {
// no parent set somewhere
}
new InsertVisitor(target, statementsToBeInserted, InsertType.BEFORE).scan(targetParent);
}
use of spoon.SpoonException in project spoon by INRIA.
the class ProcessorUtils method initProperties.
/**
* sets the fields of processor "p" given as parameter according to the properties
*/
public static void initProperties(Processor<?> p, ProcessorProperties properties) {
if (properties != null) {
for (Field f : RtHelper.getAllFields(p.getClass())) {
if (f.isAnnotationPresent(Property.class)) {
Object obj = properties.get(f.getType(), f.getName());
if (obj != null) {
f.setAccessible(true);
try {
f.set(p, obj);
} catch (Exception e) {
throw new SpoonException(e);
}
} else {
obj = properties.get(String.class, f.getName());
if (obj != null) {
try {
obj = converter.readValue((String) obj, f.getType());
f.setAccessible(true);
f.set(p, obj);
} catch (Exception e) {
throw new SpoonException("Error while assigning the value to " + f.getName(), e);
}
} else {
p.getFactory().getEnvironment().report(p, Level.WARN, "No value found for property '" + f.getName() + "' in processor " + p.getClass().getName());
}
}
}
}
}
}
use of spoon.SpoonException in project spoon by INRIA.
the class CloneVisitorGenerator method process.
@Override
public void process() {
final CtClass<Object> target = createCloneVisitor();
final CtClass<Object> targetBuilder = createCloneBuilder();
final Factory factory = target.getFactory();
final CtTypeReference<Object> cloneBuilder = factory.Type().createReference("spoon.support.visitor.clone.CloneBuilder");
final CtTypeAccess<Object> cloneBuilderType = factory.Code().createTypeAccess(cloneBuilder);
final CtVariableAccess<Object> builderFieldAccess = factory.Code().createVariableRead(factory.Field().createReference(target.getReference(), cloneBuilder, "builder"), false);
final CtVariableAccess<Object> tailorerFieldAccess = factory.Code().createVariableRead(factory.Field().createReference(target.getReference(), cloneBuilder, "tailorer"), false);
final CtVariableAccess<Object> cloneHelperFieldAccess = factory.Code().createVariableRead(factory.Field().createReference(target.getReference(), cloneBuilder, "cloneHelper"), false);
final CtFieldReference<Object> other = factory.Field().createReference((CtField) target.getField("other"));
final CtVariableAccess otherRead = factory.Code().createVariableRead(other, true);
new CtScanner() {
private final List<String> internals = Collections.singletonList("CtCircularTypeReference");
@Override
public <T> void visitCtMethod(CtMethod<T> element) {
if (!element.getSimpleName().startsWith("visitCt")) {
return;
}
CtMethod<T> clone = element.clone();
// Variables used by the visit method.
final CtParameter<CtElement> ctParameter = (CtParameter<CtElement>) element.getParameters().get(0);
final CtVariableAccess<CtElement> elementVarRead = factory.Code().createVariableRead(ctParameter.getReference(), false);
final CtInvocation cloneBuilderInvocation = createCloneBuilderBuildInvocation(elementVarRead);
final CtLocalVariable localCloningElement = createLocalCloningElement(ctParameter.getType(), createFactoryInvocation(elementVarRead));
final CtVariableAccess localVarRead = factory.Code().createVariableRead(localCloningElement.getReference(), false);
// Changes body of the cloned method.
for (int i = 1; i < clone.getBody().getStatements().size() - 1; i++) {
List<CtExpression> invArgs = ((CtInvocation) clone.getBody().getStatement(i)).getArguments();
if (invArgs.size() <= 1) {
throw new RuntimeException("You forget the role argument in line " + i + " of method " + element.getSimpleName() + " from " + element.getDeclaringType().getQualifiedName());
}
final CtInvocation targetInvocation = (CtInvocation) invArgs.get(1);
if ("getValue".equals(targetInvocation.getExecutable().getSimpleName()) && "CtLiteral".equals(targetInvocation.getExecutable().getDeclaringType().getSimpleName())) {
clone.getBody().getStatement(i--).delete();
continue;
}
//
clone.getBody().getStatement(i).replace(createSetter((CtInvocation) clone.getBody().getStatement(i), localVarRead));
}
// Delete enter and exit methods.
clone.getBody().getStatement(0).delete();
clone.getBody().getStatement(clone.getBody().getStatements().size() - 1).delete();
// declaration of local variable
clone.getBody().insertBegin(localCloningElement);
// call to copy
clone.getBody().insertEnd(createCloneBuilderCopyInvocation(elementVarRead, localVarRead));
// call to tailor
clone.getBody().insertEnd(createTailorerScanInvocation(elementVarRead, localVarRead));
// final assignment
clone.getBody().insertEnd(factory.Code().createVariableAssignment(other, false, localVarRead));
// Add auto-generated comment.
final CtComment comment = factory.Core().createComment();
comment.setCommentType(CtComment.CommentType.INLINE);
comment.setContent("auto-generated, see " + CloneVisitorGenerator.class.getName());
clone.addComment(comment);
target.addMethod(clone);
}
/**
* Creates <code>anElement.setX(clone(anElement.getX()))</code>.
*
* @param scanInvocation <code>scan(anElement.getX())</code>.
* @param elementVarRead <code>anElement</code>.
*/
private CtInvocation<?> createSetter(CtInvocation scanInvocation, CtVariableAccess<CtElement> elementVarRead) {
final CtInvocation<?> getter = (CtInvocation<?>) scanInvocation.getArguments().get(1);
final String getterName = getter.getExecutable().getSimpleName();
final CtExecutableReference<Object> setterRef = factory.Executable().createReference("void CtElement#set" + getterName.substring(3, getterName.length()) + "()");
final CtExecutableReference<Object> cloneRef = factory.Executable().createReference("CtElement spoon.support.visitor.equals.CloneHelper#clone()");
final CtInvocation<Object> cloneInv = factory.Code().createInvocation(null, cloneRef, getter);
cloneInv.setTarget(cloneHelperFieldAccess);
return factory.Code().createInvocation(elementVarRead, setterRef, cloneInv);
}
/**
* Creates <code>CtElement anElement = CloneBuilder.build(builder, element, element.getFactory().Core().createElement())</code>.
*
* @param typeReference <code>CtElement</code>.
* @param ctInvocation <code>CloneBuilder.build(builder, element, element.getFactory().Core().createElement())</code>.
*/
private <T> CtLocalVariable<T> createLocalCloningElement(CtTypeReference<T> typeReference, CtInvocation<T> ctInvocation) {
return factory.Code().createLocalVariable(typeReference, "a" + typeReference.getSimpleName(), ctInvocation);
}
/**
* Creates <code>CloneBuilder.build(builder, element, element.getFactory().Core().createElement())</code>.
*
* @param elementAccess <code>element</code>.
*/
private CtInvocation<CloneBuilder> createCloneBuilderBuildInvocation(CtVariableAccess<CtElement> elementAccess) {
final CtExecutableReference<CloneBuilder> buildExecRef = factory.Executable().createReference("CloneBuilder CtElement#build()");
return factory.Code().createInvocation(cloneBuilderType, buildExecRef, builderFieldAccess, elementAccess, createFactoryInvocation(elementAccess.clone()));
}
private CtInvocation<CloneBuilder> createCloneBuilderCopyInvocation(CtVariableAccess<CtElement> elementVarRead, CtVariableAccess<CtElement> elementVarRead2) {
final CtExecutableReference<CloneBuilder> buildExecRef = factory.Executable().createReference("CloneBuilder #copy()");
return factory.Code().createInvocation(builderFieldAccess, buildExecRef, elementVarRead, elementVarRead2);
}
private CtInvocation<CloneBuilder> createTailorerScanInvocation(CtVariableAccess elementVarRead, CtVariableAccess localVarRead) {
final CtExecutableReference<CloneBuilder> buildExecRef = factory.Executable().createReference("CloneHelper #tailor()");
return factory.Code().createInvocation(cloneHelperFieldAccess, buildExecRef, elementVarRead, localVarRead);
}
/**
* Creates <code>element.getFactory().Core().createElement()</code>.
*
* @param elementAccess <code>element</code>.
*/
private CtInvocation createFactoryInvocation(CtVariableAccess<CtElement> elementAccess) {
final String typeName = elementAccess.getType().getSimpleName();
// #getFactory()
final CtInvocation<Object> getFactory = factory.Code().createInvocation(null, factory.Executable().createReference("Factory CtElement#getFactory()"));
getFactory.setTarget(elementAccess);
// Factory#Core() or Factory#Internal()
final String factoryName = internals.contains(typeName) ? "Internal" : "Core";
final CtInvocation<Object> coreFactory = factory.Code().createInvocation(getFactory, factory.Executable().createReference("CoreFactory Factory#" + factoryName + "()"));
// CoreFactory#createElement()
return factory.Code().createInvocation(coreFactory, factory.Executable().createReference("CoreFactory CtElement#create" + typeName.substring(2, typeName.length()) + "()"));
}
}.scan(getFactory().Class().get(CtScanner.class));
new CtScanner() {
private final List<String> excludesAST = //
Arrays.asList(//
"spoon.support.reflect.declaration.CtTypeInformationImpl", //
"spoon.support.reflect.code.CtAbstractInvocationImpl", //
"spoon.support.reflect.declaration.CtTypedElementImpl", //
"spoon.support.reflect.declaration.CtVariableImpl", //
"spoon.support.reflect.reference.CtActualTypeContainerImpl", //
"spoon.support.reflect.code.CtCFlowBreakImpl", //
"spoon.support.reflect.code.CtLabelledFlowBreakImpl", //
"spoon.support.reflect.declaration.CtCodeSnippetImpl", //
"spoon.support.reflect.declaration.CtFormalTypeDeclarerImpl", //
"spoon.support.reflect.declaration.CtGenericElementImpl", //
"spoon.support.reflect.reference.CtGenericElementReferenceImpl", //
"spoon.support.reflect.declaration.CtModifiableImpl", //
"spoon.support.reflect.declaration.CtMultiTypedElementImpl", "spoon.support.reflect.declaration.CtTypeMemberImpl", "spoon.support.reflect.code.CtRHSReceiverImpl", "spoon.support.reflect.declaration.CtShadowableImpl", "spoon.support.reflect.code.CtBodyHolderImpl", "spoon.support.reflect.declaration.CtModuleDirectiveImpl");
private final List<String> excludesFields = Arrays.asList("factory", "elementValues", "target", "metadata");
private final CtTypeReference<List> LIST_REFERENCE = factory.Type().createReference(List.class);
private final CtTypeReference<Collection> COLLECTION_REFERENCE = factory.Type().createReference(Collection.class);
private final CtTypeReference<Set> SET_REFERENCE = factory.Type().createReference(Set.class);
private final CtTypeReference<CtElement> CTELEMENT_REFERENCE = factory.Type().createReference(CtElement.class);
private final CtClass<?> GETTER_TEMPLATE_MATCHER_CLASS = factory.Class().get(GENERATING_CLONE_PACKAGE + ".GetterTemplateMatcher");
private final CtClass<?> SETTER_TEMPLATE_MATCHER_CLASS = factory.Class().get(GENERATING_CLONE_PACKAGE + ".SetterTemplateMatcher");
@Override
public <T> void visitCtMethod(CtMethod<T> element) {
if (!element.getSimpleName().startsWith("visitCt") && !element.getSimpleName().startsWith("scanCt")) {
return;
}
if ("scanCtVisitable".equals(element.getSimpleName())) {
return;
}
final String qualifiedNameOfImplClass = "spoon.support" + element.getParameters().get(0).getType().getQualifiedName().substring(5) + "Impl";
if (excludesAST.contains(qualifiedNameOfImplClass)) {
return;
}
final CtType<?> declaration = factory.Class().get(qualifiedNameOfImplClass);
if (declaration == null) {
throw new SpoonException(qualifiedNameOfImplClass + " doesn't have declaration in the source path for " + element.getSignature());
}
CtMethod<T> clone = element.clone();
clone.getBody().getStatements().clear();
for (CtField<?> ctField : declaration.getFields()) {
if (excludesFields.contains(ctField.getSimpleName())) {
continue;
}
if (isConstantOrStatic(ctField)) {
continue;
}
if (isSubTypeOfCtElement(ctField.getType())) {
continue;
}
final CtMethod<?> setterOfField = getSetterOf(ctField);
final CtInvocation<?> setterInvocation = createSetterInvocation(//
element.getParameters().get(0).getType(), //
setterOfField, createGetterInvocation(element.getParameters().get(0), getGetterOf(ctField)));
final List<CtMethod<?>> methodsToAvoid = getCtMethodThrowUnsupportedOperation(setterOfField);
if (methodsToAvoid.size() > 0) {
clone.getBody().addStatement(createProtectionToException(setterInvocation, methodsToAvoid));
} else {
clone.getBody().addStatement(setterInvocation);
}
}
if (clone.getBody().getStatements().size() > 0) {
clone.getBody().insertEnd(createSuperInvocation(element));
// Add auto-generated comment.
final CtComment comment = factory.Core().createComment();
comment.setCommentType(CtComment.CommentType.INLINE);
comment.setContent("auto-generated, see " + CloneVisitorGenerator.class.getName());
clone.addComment(comment);
targetBuilder.addMethod(clone);
}
}
/**
* Creates <code>if (!(other instanceof CtX && other instanceof CtY && ..)) {}</code>.
*/
private CtIf createProtectionToException(CtInvocation<?> setterInvocation, List<CtMethod<?>> methodsAvoid) {
final CtIf anIf = factory.Core().createIf();
anIf.setCondition(factory.Core().createUnaryOperator().setOperand(createBinaryConditions(methodsAvoid)).setKind(UnaryOperatorKind.NOT));
anIf.setThenStatement(factory.Code().createCtBlock(setterInvocation));
return anIf;
}
/**
* Creates <code>condition && condition && ...</code>.
*
* @param methodsAvoid Methods to avoid.
*/
private CtExpression<Object> createBinaryConditions(List<CtMethod<?>> methodsAvoid) {
CtExpression<Object> left = null;
CtExpression<Object> right;
for (int i = 0; i < methodsAvoid.size(); i++) {
final CtInterface<?> ctInterface = getInterfaceOf(methodsAvoid.get(i).getDeclaringType());
if (i == 0) {
left = //
factory.Code().createBinaryOperator(//
otherRead, //
factory.Code().createTypeAccess(ctInterface.getReference()), BinaryOperatorKind.INSTANCEOF);
} else {
right = //
factory.Code().createBinaryOperator(//
otherRead, //
factory.Code().createTypeAccess(ctInterface.getReference()), BinaryOperatorKind.INSTANCEOF);
left = factory.Code().createBinaryOperator(left, right, BinaryOperatorKind.OR);
}
}
return left;
}
/**
* Query to get all methods which throw an UnsupportedOperationException. We must avoid to call these methods during a clone process.
*/
private List<CtMethod<?>> getCtMethodThrowUnsupportedOperation(CtMethod<?> method) {
final List<CtMethod<?>> avoid = new ArrayList<>();
final CtInterface<?> ctInterface = getInterfaceOf(method.getDeclaringType());
if (ctInterface == null) {
return avoid;
}
final CtMethod<?> declarationMethod = getMethodByCtMethod(ctInterface, method);
for (CtMethod<?> ctMethod : Query.getElements(factory, new OverridingMethodFilter(declarationMethod))) {
if (!avoidThrowUnsupportedOperationException(ctMethod)) {
avoid.add(ctMethod);
}
}
return avoid;
}
/**
* Check if the candidate method throw an UnsupportedOperationException.
*/
private boolean avoidThrowUnsupportedOperationException(CtMethod<?> candidate) {
if (candidate.getBody().getStatements().size() != 1) {
return true;
}
if (!(candidate.getBody().getStatement(0) instanceof CtThrow)) {
return true;
}
CtThrow ctThrow = candidate.getBody().getStatement(0);
if (!(ctThrow.getThrownExpression() instanceof CtConstructorCall)) {
return true;
}
final CtConstructorCall<? extends Throwable> thrownExpression = (CtConstructorCall<? extends Throwable>) ctThrow.getThrownExpression();
if (!thrownExpression.getType().equals(factory.Type().createReference(UnsupportedOperationException.class))) {
return true;
}
return false;
}
/**
* Query to get a method from a CtMethod.
*/
private CtMethod<?> getMethodByCtMethod(CtType<?> ctType, CtMethod<?> method) {
for (CtMethod<?> ctMethod : ctType.getAllMethods()) {
if (!method.getSimpleName().equals(ctMethod.getSimpleName())) {
continue;
}
boolean cont = method.getParameters().size() == ctMethod.getParameters().size();
for (int i = 0; cont && i < method.getParameters().size(); i++) {
if (!method.getParameters().get(i).getType().equals(ctMethod.getParameters().get(i).getType())) {
cont = false;
}
}
if (cont) {
return ctMethod;
}
}
throw new AssertionError("Can't find method " + method.getSignature() + " in the given interface " + ctType.getQualifiedName());
}
/**
* Query to get the interface of the class.
*/
private CtInterface<?> getInterfaceOf(CtType<?> declaringType) {
final CtTypeReference<?>[] interfaces = declaringType.getSuperInterfaces().toArray(new CtTypeReference[declaringType.getSuperInterfaces().size()]);
for (CtTypeReference<?> anInterface : interfaces) {
if (anInterface.getSimpleName().equals(declaringType.getSimpleName().substring(0, declaringType.getSimpleName().length() - 4))) {
return (CtInterface<?>) anInterface.getDeclaration();
}
}
throw new AssertionError("You should have the interface for the implementation " + declaringType.getQualifiedName());
}
/**
* Creates <code>super.visitMethod(element)</code>.
*
* @param element <code>visitMethod</code>.
*/
private <T> CtInvocation<T> createSuperInvocation(CtMethod<T> element) {
return factory.Code().createInvocation(factory.Core().createSuperAccess(), element.getReference(), factory.Code().createVariableRead(element.getParameters().get(0).getReference(), false));
}
/**
* Creates <code>((CtElement) other).setX(element.getX())</code>
* or <code>((CtElement) other).setX(new Collection(element.getX()))</code>
* if the field is a collection.
*
* @param type <code>CtElement</code>
* @param setter <code>setX</code>.
* @param getter <code>getX</code>.
*/
private CtInvocation<?> createSetterInvocation(CtTypeReference<?> type, CtMethod<?> setter, CtInvocation<?> getter) {
return factory.Code().createInvocation(otherRead.clone().addTypeCast(type), setter.getReference(), getter);
}
/**
* Creates <code>element.getX()</code>.
*
* @param element <code>element</code>.
* @param getter <code>getX</code>.
*/
private CtInvocation<?> createGetterInvocation(CtParameter<?> element, CtMethod<?> getter) {
return factory.Code().createInvocation(factory.Code().createVariableRead(element.getReference(), false), getter.getReference());
}
/**
* Query to get the setter of given field.
*/
private <T> CtMethod<?> getSetterOf(final CtField<T> ctField) {
if (ctField.getType().equals(getFactory().createCtTypeReference(CtModifierHandler.class))) {
return ctField.getDeclaringType().getMethodsByName("setModifiers").get(0);
}
// Search by name convention.
for (CtMethod<?> ctMethod : ctField.getDeclaringType().getMethods()) {
if (ctMethod.getSimpleName().startsWith("set") && ctMethod.getSimpleName().toLowerCase().contains(ctField.getSimpleName().toLowerCase())) {
if (ctMethod.getParameters().size() != 1) {
continue;
}
if (!ctMethod.getParameters().get(0).getType().equals(ctField.getType())) {
continue;
}
return ctMethod;
}
}
SETTER_TEMPLATE_MATCHER_CLASS.getMethod("setElement", factory.Type().BOOLEAN_PRIMITIVE).getBody();
final List<CtMethod> matchers = ctField.getDeclaringType().getElements(new TypeFilter<CtMethod>(CtMethod.class) {
@Override
public boolean matches(CtMethod element) {
final CtBlock body = element.getBody();
if (body.getStatements().size() != 3) {
return false;
}
if (body.getStatement(1) instanceof CtAssignment) {
final CtExpression assigned = ((CtAssignment) body.getStatement(1)).getAssigned();
if (!(assigned instanceof CtFieldAccess)) {
return false;
}
if (!((CtFieldAccess) assigned).getVariable().getSimpleName().equals(ctField.getSimpleName())) {
return false;
}
} else {
return false;
}
return true;
}
});
if (matchers.size() != 1) {
throw new SpoonException("Get more than one setter. Please make an more ingenious method to get setter method. " + matchers.size() + " " + ctField);
}
return matchers.get(0);
}
/**
* Query to get the getter of the given field.
*/
private <T> CtMethod<?> getGetterOf(CtField<T> ctField) {
if (ctField.getType().equals(getFactory().createCtTypeReference(CtModifierHandler.class))) {
return ctField.getDeclaringType().getMethod("getModifiers");
}
// Search by name convention.
for (CtMethod<?> ctMethod : ctField.getDeclaringType().getMethods()) {
if (//
(ctMethod.getSimpleName().startsWith("get") || ctMethod.getSimpleName().startsWith("is")) && ctMethod.getSimpleName().toLowerCase().contains(ctField.getSimpleName().toLowerCase())) {
if (!ctMethod.getType().equals(ctField.getType())) {
continue;
}
if (ctMethod.getParameters().size() != 0) {
continue;
}
return ctMethod;
}
}
// Search with template.
final CtBlock<?> templateRoot = GETTER_TEMPLATE_MATCHER_CLASS.getMethod("getElement").getBody();
((CtReturn) templateRoot.getStatement(0)).setReturnedExpression(factory.Code().createVariableRead(ctField.getReference(), true));
List<CtMethod> matchers = ctField.getDeclaringType().getElements(new TypeFilter<CtMethod>(CtMethod.class) {
@Override
public boolean matches(CtMethod element) {
return element.getBody().toString().equals(templateRoot.toString());
}
});
if (matchers.isEmpty()) {
throw new SpoonException("No getter found for field " + ctField);
}
if (matchers.size() > 1) {
throw new SpoonException("Get more than one getter (" + StringUtils.join(matchers, ";") + "). Please make an more ingenious method to get getter method.");
}
return matchers.get(0);
}
/**
* Check if the type is a subtype of CtElement.
*/
private boolean isSubTypeOfCtElement(CtTypeReference<?> type) {
if (!type.isPrimitive() && !type.equals(factory.Type().STRING)) {
if (type.isSubtypeOf(factory.Type().createReference(CtElement.class))) {
return true;
}
if (type.getQualifiedName().equals(LIST_REFERENCE.getQualifiedName()) || type.getQualifiedName().equals(COLLECTION_REFERENCE.getQualifiedName()) || type.getQualifiedName().equals(SET_REFERENCE.getQualifiedName())) {
if (type.getActualTypeArguments().get(0).isSubtypeOf(CTELEMENT_REFERENCE)) {
return true;
}
}
}
return false;
}
private boolean isConstantOrStatic(CtField<?> ctField) {
return ctField.getModifiers().contains(ModifierKind.FINAL) || ctField.getModifiers().contains(ModifierKind.STATIC);
}
}.scan(getFactory().Class().get(CtInheritanceScanner.class));
}
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