Examples with CtTypeReference spoon.reflect.reference.CtTypeReference used on opensource projects

Example 91 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class JDTTreeBuilderHelper method createCatchVariable.

/**
 * Creates a catch variable from a type reference.
 *
 * @param typeReference
 * 		Correspond to the exception type declared in the catch.
 * @return a catch variable.
 */
CtCatchVariable<Throwable> createCatchVariable(TypeReference typeReference) {
    final Argument jdtCatch = (Argument) jdtTreeBuilder.getContextBuilder().stack.peekFirst().node;
    final Set<CtExtendedModifier> modifiers = getModifiers(jdtCatch.modifiers, false, false);
    CtCatchVariable<Throwable> result = jdtTreeBuilder.getFactory().Core().createCatchVariable();
    result.<CtCatchVariable>setSimpleName(CharOperation.charToString(jdtCatch.name)).setExtendedModifiers(modifiers);
    if (typeReference instanceof UnionTypeReference) {
        // do not set type of variable yet. It will be initialized later by visit of multiple types. Each call then ADDs one type
        return result;
    } else {
        CtTypeReference ctTypeReference = jdtTreeBuilder.getReferencesBuilder().<Throwable>getTypeReference(typeReference.resolvedType);
        return result.<CtCatchVariable>setType(ctTypeReference);
    }
}

Example 92 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class JDTTreeBuilderHelper method createType.

/**
 * Creates a class, an enum, an interface or a annotation type.
 *
 * @return a type.
 */
CtType<?> createType(TypeDeclaration typeDeclaration) {
    CtType<?> type;
    if ((typeDeclaration.modifiers & ClassFileConstants.AccAnnotation) != 0) {
        type = jdtTreeBuilder.getFactory().Core().<java.lang.annotation.Annotation>createAnnotationType();
    } else if ((typeDeclaration.modifiers & ClassFileConstants.AccEnum) != 0) {
        type = jdtTreeBuilder.getFactory().Core().createEnum();
    } else if ((typeDeclaration.modifiers & ClassFileConstants.AccInterface) != 0) {
        type = jdtTreeBuilder.getFactory().Core().createInterface();
    } else {
        type = jdtTreeBuilder.getFactory().Core().createClass();
    }
    jdtTreeBuilder.getContextBuilder().enter(type, typeDeclaration);
    if (typeDeclaration.superInterfaces != null) {
        for (TypeReference ref : typeDeclaration.superInterfaces) {
            final CtTypeReference superInterface = jdtTreeBuilder.references.buildTypeReference(ref, null);
            type.addSuperInterface(superInterface);
        }
    }
    if (type instanceof CtClass) {
        if (typeDeclaration.superclass != null) {
            ((CtClass) type).setSuperclass(jdtTreeBuilder.references.buildTypeReference(typeDeclaration.superclass, typeDeclaration.scope));
        }
        if (typeDeclaration.binding.isAnonymousType() || (typeDeclaration.binding instanceof LocalTypeBinding && typeDeclaration.binding.enclosingMethod() != null)) {
            type.setSimpleName(computeAnonymousName(typeDeclaration.binding.constantPoolName()));
        } else {
            type.setSimpleName(new String(typeDeclaration.name));
        }
    } else {
        type.setSimpleName(new String(typeDeclaration.name));
    }
    // Setting modifiers
    type.setExtendedModifiers(getModifiers(typeDeclaration.modifiers, false, false));
    return type;
}

Example 93 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class JDTTreeBuilderHelper method createVariableAccessNoClasspath.

/**
 * Analyzes if {@code singleNameReference} points to a {@link CtVariable} visible in current
 * scope and, if existent, returns its corresponding {@link CtVariableAccess}. Returns
 * {@code null} if {@code singleNameReference} could not be resolved as variable access. Since
 * we are in noclasspath mode this function may also returns {@code null} if
 * {@code singleNameReference} points to a variable declared by an unknown class.
 *
 * @param singleNameReference
 * 		The potential variable access.
 * @return A {@link CtVariableAccess} if {@code singleNameReference} points to a variable
 * 		   visible in current scope, {@code null} otherwise.
 */
<T> CtVariableAccess<T> createVariableAccessNoClasspath(SingleNameReference singleNameReference) {
    final TypeFactory typeFactory = jdtTreeBuilder.getFactory().Type();
    final CoreFactory coreFactory = jdtTreeBuilder.getFactory().Core();
    final ExecutableFactory executableFactory = jdtTreeBuilder.getFactory().Executable();
    final ContextBuilder contextBuilder = jdtTreeBuilder.getContextBuilder();
    final ReferenceBuilder referenceBuilder = jdtTreeBuilder.getReferencesBuilder();
    final PositionBuilder positionBuilder = jdtTreeBuilder.getPositionBuilder();
    final String name = CharOperation.charToString(singleNameReference.token);
    final CtVariable<T> variable = contextBuilder.getVariableDeclaration(name);
    if (variable == null) {
        return null;
    }
    final CtVariableReference<T> variableReference;
    final CtVariableAccess<T> variableAccess;
    if (variable instanceof CtParameter) {
        // create variable of concrete type to avoid type casting while calling methods
        final CtParameterReference<T> parameterReference = coreFactory.createParameterReference();
        if (variable.getParent() instanceof CtLambda) {
        // nothing
        } else {
            // Unfortunately, we can not use `variable.getReference()` here as some parent
            // references (in terms of Java objects) have not been set up yet. Thus, we need to
            // create the required parameter reference by our own.
            // Since the given parameter has not been declared in a lambda expression it must
            // have been declared by a method/constructor.
            final CtExecutable executable = (CtExecutable) variable.getParent();
            // create list of executable's parameter types
            final List<CtTypeReference<?>> parameterTypesOfExecutable = new ArrayList<>();
            @SuppressWarnings("unchecked") final List<CtParameter<?>> parametersOfExecutable = executable.getParameters();
            for (CtParameter<?> parameter : parametersOfExecutable) {
                parameterTypesOfExecutable.add(parameter.getType() != null ? parameter.getType().clone() : // it's the best match :(
                typeFactory.OBJECT.clone());
            }
            // find executable's corresponding jdt element
            AbstractMethodDeclaration executableJDT = null;
            for (final ASTPair astPair : contextBuilder.stack) {
                if (astPair.element == executable) {
                    executableJDT = (AbstractMethodDeclaration) astPair.node;
                }
            }
            assert executableJDT != null;
            // create a reference to executable's declaring class
            final CtTypeReference declaringReferenceOfExecutable = // available
            executableJDT.binding == null ? coreFactory.createTypeReference() : referenceBuilder.getTypeReference(executableJDT.binding.declaringClass);
            // If executable is a constructor, `executable.getType()` returns null since the
            // parent is not available yet. Fortunately, however, the return type of a
            // constructor is its declaring class which, in our case, is already available with
            // declaringReferenceOfExecutable.
            CtTypeReference executableTypeReference = executable instanceof CtConstructor ? // indirectly sets the parent of `rt` and, thus, may break the AST!
            declaringReferenceOfExecutable.clone() : executable.getType().clone();
        }
        variableReference = parameterReference;
        variableAccess = isLhsAssignment(contextBuilder, singleNameReference) ? coreFactory.<T>createVariableWrite() : coreFactory.<T>createVariableRead();
    } else if (variable instanceof CtField) {
        variableReference = variable.getReference();
        variableAccess = isLhsAssignment(contextBuilder, singleNameReference) ? coreFactory.<T>createFieldWrite() : coreFactory.<T>createFieldRead();
    } else {
        // CtLocalVariable, CtCatchVariable, ...
        variableReference = variable.getReference();
        variableAccess = isLhsAssignment(contextBuilder, singleNameReference) ? coreFactory.<T>createVariableWrite() : coreFactory.<T>createVariableRead();
    }
    variableReference.setSimpleName(name);
    variableReference.setPosition(positionBuilder.buildPosition(singleNameReference.sourceStart(), singleNameReference.sourceEnd()));
    variableAccess.setVariable(variableReference);
    return variableAccess;
}

Example 94 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class ReferenceBuilder method getExecutableReference.

<T> CtExecutableReference<T> getExecutableReference(MessageSend messageSend) {
    if (messageSend.binding != null) {
        return getExecutableReference(messageSend.binding);
    }
    CtExecutableReference<T> ref = jdtTreeBuilder.getFactory().Core().createExecutableReference();
    ref.setSimpleName(CharOperation.charToString(messageSend.selector));
    ref.setType(this.<T>getTypeReference(messageSend.expectedType()));
    if (messageSend.receiver.resolvedType == null) {
        // It is crisis dude! static context, we don't have much more information.
        if (messageSend.receiver instanceof SingleNameReference) {
            ref.setDeclaringType(jdtTreeBuilder.getHelper().createTypeAccessNoClasspath((SingleNameReference) messageSend.receiver).getAccessedType());
        } else if (messageSend.receiver instanceof QualifiedNameReference) {
            ref.setDeclaringType(jdtTreeBuilder.getHelper().createTypeAccessNoClasspath((QualifiedNameReference) messageSend.receiver).getAccessedType());
        }
    } else {
        ref.setDeclaringType(getTypeReference(messageSend.receiver.resolvedType));
    }
    if (messageSend.arguments != null) {
        final List<CtTypeReference<?>> parameters = new ArrayList<>();
        for (Expression expression : messageSend.arguments) {
            parameters.add(getTypeReference(expression.resolvedType));
        }
        ref.setParameters(parameters);
    }
    return ref;
}

Example 95 with CtTypeReference

use of spoon.reflect.reference.CtTypeReference in project spoon by INRIA.

the class ReferenceBuilder method getTypeReference.

@SuppressWarnings("unchecked")
<T> CtTypeReference<T> getTypeReference(TypeBinding binding) {
    if (binding == null) {
        return null;
    }
    CtTypeReference<?> ref = null;
    if (binding instanceof RawTypeBinding) {
        ref = getTypeReference(((ParameterizedTypeBinding) binding).genericType());
    } else if (binding instanceof ParameterizedTypeBinding) {
        if (binding.actualType() != null && binding.actualType() instanceof LocalTypeBinding) {
            // When we define a nested class in a method and when the enclosing class of this method
            // is a parameterized type binding, JDT give a ParameterizedTypeBinding for the nested class
            // and hide the real class in actualType().
            ref = getTypeReference(binding.actualType());
        } else {
            ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
            this.exploringParameterizedBindings.put(binding, ref);
            if (binding.isAnonymousType()) {
                ref.setSimpleName("");
            } else {
                ref.setSimpleName(String.valueOf(binding.sourceName()));
                if (binding.enclosingType() != null) {
                    ref.setDeclaringType(getTypeReference(binding.enclosingType()));
                } else {
                    ref.setPackage(getPackageReference(binding.getPackage()));
                }
            }
        }
        if (binding.actualType() instanceof MissingTypeBinding) {
            ref = getTypeReference(binding.actualType());
        }
        if (((ParameterizedTypeBinding) binding).arguments != null) {
            for (TypeBinding b : ((ParameterizedTypeBinding) binding).arguments) {
                if (bindingCache.containsKey(b)) {
                    ref.addActualTypeArgument(getCtCircularTypeReference(b));
                } else {
                    if (!this.exploringParameterizedBindings.containsKey(b)) {
                        this.exploringParameterizedBindings.put(b, null);
                        CtTypeReference typeRefB = getTypeReference(b);
                        this.exploringParameterizedBindings.put(b, typeRefB);
                        ref.addActualTypeArgument(typeRefB);
                    } else {
                        CtTypeReference typeRefB = this.exploringParameterizedBindings.get(b);
                        if (typeRefB != null) {
                            ref.addActualTypeArgument(typeRefB.clone());
                        }
                    }
                }
            }
        }
    } else if (binding instanceof MissingTypeBinding) {
        ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
        ref.setSimpleName(new String(binding.sourceName()));
        ref.setPackage(getPackageReference(binding.getPackage()));
        if (!this.jdtTreeBuilder.getContextBuilder().ignoreComputeImports) {
            final CtReference declaring = this.getDeclaringReferenceFromImports(binding.sourceName());
            if (declaring instanceof CtPackageReference) {
                ref.setPackage((CtPackageReference) declaring);
            } else if (declaring instanceof CtTypeReference) {
                ref.setDeclaringType((CtTypeReference) declaring);
            }
        }
    } else if (binding instanceof BinaryTypeBinding) {
        ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
        if (binding.enclosingType() != null) {
            ref.setDeclaringType(getTypeReference(binding.enclosingType()));
        } else {
            ref.setPackage(getPackageReference(binding.getPackage()));
        }
        ref.setSimpleName(new String(binding.sourceName()));
    } else if (binding instanceof TypeVariableBinding) {
        boolean oldBounds = bounds;
        if (binding instanceof CaptureBinding) {
            ref = this.jdtTreeBuilder.getFactory().Core().createWildcardReference();
            bounds = true;
        } else {
            TypeVariableBinding typeParamBinding = (TypeVariableBinding) binding;
            ReferenceBinding superClass = typeParamBinding.superclass;
            ReferenceBinding[] superInterfaces = typeParamBinding.superInterfaces();
            CtTypeReference refSuperClass = null;
            // superClass.superclass() is null if it's java.lang.Object
            if (superClass != null && !(superClass.superclass() == null)) {
                // to conserve the same behavior as JavaReflectionTreeBuilder
                if (!(superClass instanceof ParameterizedTypeBinding) || !this.exploringParameterizedBindings.containsKey(superClass)) {
                    refSuperClass = this.getTypeReference(superClass);
                }
            // if the type parameter has a super interface, then we'll get it too, as a superclass
            // type parameter can only extends an interface or a class, so we don't make the distinction
            // in Spoon. Moreover we can only have one extends in a type parameter.
            } else if (superInterfaces != null && superInterfaces.length == 1) {
                refSuperClass = this.getTypeReference(superInterfaces[0]);
            }
            ref = this.jdtTreeBuilder.getFactory().Core().createTypeParameterReference();
            ref.setSimpleName(new String(binding.sourceName()));
            if (refSuperClass != null) {
                ((CtTypeParameterReference) ref).addBound(refSuperClass);
            }
        }
        TypeVariableBinding b = (TypeVariableBinding) binding;
        if (bounds) {
            if (b instanceof CaptureBinding && ((CaptureBinding) b).wildcard != null) {
                bounds = oldBounds;
                return getTypeReference(((CaptureBinding) b).wildcard);
            } else if (b.superclass != null && b.firstBound == b.superclass) {
                bounds = false;
                bindingCache.put(binding, ref);
                ((CtTypeParameterReference) ref).setBoundingType(getTypeReference(b.superclass));
                bounds = oldBounds;
            }
        }
        if (bounds && b.superInterfaces != null && b.superInterfaces != Binding.NO_SUPERINTERFACES) {
            bounds = false;
            bindingCache.put(binding, ref);
            List<CtTypeReference<?>> bounds = new ArrayList<>();
            CtTypeParameterReference typeParameterReference = (CtTypeParameterReference) ref;
            if (!(typeParameterReference.isDefaultBoundingType())) {
                // if it's object we can ignore it
                bounds.add(typeParameterReference.getBoundingType());
            }
            for (ReferenceBinding superInterface : b.superInterfaces) {
                bounds.add(getTypeReference(superInterface));
            }
            ((CtTypeParameterReference) ref).setBoundingType(this.jdtTreeBuilder.getFactory().Type().createIntersectionTypeReferenceWithBounds(bounds));
        }
        if (binding instanceof CaptureBinding) {
            bounds = false;
        }
    } else if (binding instanceof BaseTypeBinding) {
        String name = new String(binding.sourceName());
        ref = basestypes.get(name);
        if (ref == null) {
            ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
            ref.setSimpleName(name);
            basestypes.put(name, ref);
        } else {
            ref = ref == null ? ref : ref.clone();
        }
    } else if (binding instanceof WildcardBinding) {
        WildcardBinding wildcardBinding = (WildcardBinding) binding;
        ref = this.jdtTreeBuilder.getFactory().Core().createWildcardReference();
        if (wildcardBinding.boundKind == Wildcard.SUPER && ref instanceof CtTypeParameterReference) {
            ((CtTypeParameterReference) ref).setUpper(false);
        }
        if (wildcardBinding.bound != null && ref instanceof CtTypeParameterReference) {
            if (bindingCache.containsKey(wildcardBinding.bound)) {
                ((CtTypeParameterReference) ref).setBoundingType(getCtCircularTypeReference(wildcardBinding.bound));
            } else {
                ((CtTypeParameterReference) ref).setBoundingType(getTypeReference(((WildcardBinding) binding).bound));
            }
        }
    } else if (binding instanceof LocalTypeBinding) {
        ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
        if (binding.isAnonymousType()) {
            ref.setSimpleName(JDTTreeBuilderHelper.computeAnonymousName(((SourceTypeBinding) binding).constantPoolName()));
            ref.setDeclaringType(getTypeReference((binding.enclosingType())));
        } else {
            ref.setSimpleName(new String(binding.sourceName()));
            if (((LocalTypeBinding) binding).enclosingMethod == null && binding.enclosingType() != null && binding.enclosingType() instanceof LocalTypeBinding) {
                ref.setDeclaringType(getTypeReference(binding.enclosingType()));
            } else if (binding.enclosingMethod() != null) {
                ref.setSimpleName(JDTTreeBuilderHelper.computeAnonymousName(((SourceTypeBinding) binding).constantPoolName()));
                ref.setDeclaringType(getTypeReference(binding.enclosingType()));
            }
        }
    } else if (binding instanceof SourceTypeBinding) {
        ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
        if (binding.isAnonymousType()) {
            ref.setSimpleName(JDTTreeBuilderHelper.computeAnonymousName(((SourceTypeBinding) binding).constantPoolName()));
            ref.setDeclaringType(getTypeReference((binding.enclosingType())));
        } else {
            ref.setSimpleName(new String(binding.sourceName()));
            if (binding.enclosingType() != null) {
                ref.setDeclaringType(getTypeReference(binding.enclosingType()));
            } else {
                ref.setPackage(getPackageReference(binding.getPackage()));
            }
        // if(((SourceTypeBinding) binding).typeVariables!=null &&
        // ((SourceTypeBinding) binding).typeVariables.length>0){
        // for (TypeBinding b : ((SourceTypeBinding)
        // binding).typeVariables) {
        // ref.getActualTypeArguments().add(getTypeReference(b));
        // }
        // }
        }
    } else if (binding instanceof ArrayBinding) {
        CtArrayTypeReference<Object> arrayref;
        arrayref = this.jdtTreeBuilder.getFactory().Core().createArrayTypeReference();
        ref = arrayref;
        for (int i = 1; i < binding.dimensions(); i++) {
            CtArrayTypeReference<Object> tmp = this.jdtTreeBuilder.getFactory().Core().createArrayTypeReference();
            arrayref.setComponentType(tmp);
            arrayref = tmp;
        }
        arrayref.setComponentType(getTypeReference(binding.leafComponentType()));
    } else if (binding instanceof PolyTypeBinding) {
        // JDT can't resolve the type of this binding and we only have a string.
        // In this case, we return a type Object because we can't know more about it.
        ref = this.jdtTreeBuilder.getFactory().Type().objectType();
    } else if (binding instanceof ProblemReferenceBinding) {
        // Spoon is able to analyze also without the classpath
        ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
        ref.setSimpleName(new String(binding.readableName()));
        final CtReference declaring = this.getDeclaringReferenceFromImports(binding.sourceName());
        setPackageOrDeclaringType(ref, declaring);
    } else if (binding instanceof JDTTreeBuilder.SpoonReferenceBinding) {
        ref = this.jdtTreeBuilder.getFactory().Core().createTypeReference();
        ref.setSimpleName(new String(binding.sourceName()));
        ref.setDeclaringType(getTypeReference(binding.enclosingType()));
    } else if (binding instanceof IntersectionTypeBinding18) {
        List<CtTypeReference<?>> bounds = new ArrayList<>();
        for (ReferenceBinding superInterface : binding.getIntersectingTypes()) {
            bounds.add(getTypeReference(superInterface));
        }
        ref = this.jdtTreeBuilder.getFactory().Type().createIntersectionTypeReferenceWithBounds(bounds);
    } else {
        throw new RuntimeException("Unknown TypeBinding: " + binding.getClass() + " " + binding);
    }
    bindingCache.remove(binding);
    this.exploringParameterizedBindings.remove(binding);
    return (CtTypeReference<T>) ref;
}