Examples with ConstraintVariable2 org.eclipse.jdt.internal.corext.refactoring.typeconstraints2.ConstraintVariable2 used on opensource projects

Example 1 with ConstraintVariable2

use of org.eclipse.jdt.internal.corext.refactoring.typeconstraints2.ConstraintVariable2 in project che by eclipse.

the class InferTypeArgumentsRefactoring method hasUnboundElement.

private static boolean hasUnboundElement(ConstraintVariable2 methodReceiverCv, InferTypeArgumentsTCModel tCModel) {
    ArrayList<CollectionElementVariable2> typeArgumentCvs = getTypeArgumentCvs(methodReceiverCv, tCModel);
    for (Iterator<CollectionElementVariable2> iter = typeArgumentCvs.iterator(); iter.hasNext(); ) {
        CollectionElementVariable2 elementCv = iter.next();
        TType chosenElementType = InferTypeArgumentsConstraintsSolver.getChosenType(elementCv);
        if (chosenElementType == null)
            return true;
    }
    return false;
}

Example 2 with ConstraintVariable2

use of org.eclipse.jdt.internal.corext.refactoring.typeconstraints2.ConstraintVariable2 in project che by eclipse.

the class InferTypeArgumentsRefactoring method rewriteDeclarations.

private void rewriteDeclarations(InferTypeArgumentsUpdate update, IProgressMonitor pm) throws CoreException {
    HashMap<ICompilationUnit, CuUpdate> updates = update.getUpdates();
    Set<Entry<ICompilationUnit, CuUpdate>> entrySet = updates.entrySet();
    //$NON-NLS-1$
    pm.beginTask("", entrySet.size());
    pm.setTaskName(RefactoringCoreMessages.InferTypeArgumentsRefactoring_creatingChanges);
    for (Iterator<Entry<ICompilationUnit, CuUpdate>> iter = entrySet.iterator(); iter.hasNext(); ) {
        if (pm.isCanceled())
            throw new OperationCanceledException();
        Entry<ICompilationUnit, CuUpdate> entry = iter.next();
        ICompilationUnit cu = entry.getKey();
        pm.worked(1);
        pm.subTask(BasicElementLabels.getFileName(cu));
        CompilationUnitRewrite rewrite = new CompilationUnitRewrite(cu);
        rewrite.setResolveBindings(false);
        CuUpdate cuUpdate = entry.getValue();
        for (Iterator<CollectionElementVariable2> cvIter = cuUpdate.getDeclarations().iterator(); cvIter.hasNext(); ) {
            ConstraintVariable2 cv = cvIter.next();
            rewriteConstraintVariable(cv, rewrite, fTCModel, fLeaveUnconstrainedRaw, null);
        }
        for (Iterator<CastVariable2> castsIter = cuUpdate.getCastsToRemove().iterator(); castsIter.hasNext(); ) {
            CastVariable2 castCv = castsIter.next();
            rewriteCastVariable(castCv, rewrite, fTCModel);
        }
        CompilationUnitChange change = rewrite.createChange(true);
        if (change != null) {
            fChangeManager.manage(cu, change);
        }
    }
}

Example 3 with ConstraintVariable2

use of org.eclipse.jdt.internal.corext.refactoring.typeconstraints2.ConstraintVariable2 in project che by eclipse.

the class InferTypeArgumentsRefactoring method rewriteCastVariable.

private static ASTNode rewriteCastVariable(CastVariable2 castCv, CompilationUnitRewrite rewrite, InferTypeArgumentsTCModel tCModel) {
    //, List positionGroups) {
    ASTNode node = castCv.getRange().getNode(rewrite.getRoot());
    ConstraintVariable2 expressionVariable = castCv.getExpressionVariable();
    ConstraintVariable2 methodReceiverCv = tCModel.getMethodReceiverCv(expressionVariable);
    if (methodReceiverCv != null) {
        TType chosenReceiverType = InferTypeArgumentsConstraintsSolver.getChosenType(methodReceiverCv);
        if (chosenReceiverType == null)
            return null;
        else if (!InferTypeArgumentsTCModel.isAGenericType(chosenReceiverType))
            return null;
        else if (hasUnboundElement(methodReceiverCv, tCModel))
            return null;
    }
    CastExpression castExpression = (CastExpression) node;
    Expression expression = castExpression.getExpression();
    ASTNode nodeToReplace;
    if (castExpression.getParent() instanceof ParenthesizedExpression)
        nodeToReplace = castExpression.getParent();
    else
        nodeToReplace = castExpression;
    Expression newExpression = (Expression) rewrite.getASTRewrite().createMoveTarget(expression);
    rewrite.getASTRewrite().replace(nodeToReplace, newExpression, rewrite.createGroupDescription(RefactoringCoreMessages.InferTypeArgumentsRefactoring_removeCast));
    rewrite.getImportRemover().registerRemovedNode(nodeToReplace);
    return newExpression;
}

Example 4 with ConstraintVariable2

use of org.eclipse.jdt.internal.corext.refactoring.typeconstraints2.ConstraintVariable2 in project che by eclipse.

the class InferTypeArgumentsTCModel method makeTypeVariable.

public TypeVariable2 makeTypeVariable(Type type) {
    ICompilationUnit cu = RefactoringASTParser.getCompilationUnit(type);
    TType ttype = getBoxedType(type.resolveBinding(), /*no boxing*/
    null);
    if (ttype == null)
        return null;
    CompilationUnitRange range = new CompilationUnitRange(cu, type);
    TypeVariable2 typeVariable = new TypeVariable2(ttype, range);
    TypeVariable2 storedCv = (TypeVariable2) storedCv(typeVariable);
    if (storedCv == typeVariable) {
        fCuScopedConstraintVariables.add(storedCv);
        if (isAGenericType(ttype))
            makeElementVariables(storedCv, ttype);
        makeArrayElementVariable(storedCv);
        if (fStoreToString)
            storedCv.setData(ConstraintVariable2.TO_STRING, type.toString());
    }
    return storedCv;
}

Example 5 with ConstraintVariable2

use of org.eclipse.jdt.internal.corext.refactoring.typeconstraints2.ConstraintVariable2 in project che by eclipse.

the class InferTypeArgumentsTCModel method makeReturnTypeVariable.

public ReturnTypeVariable2 makeReturnTypeVariable(IMethodBinding methodBinding) {
    if (methodBinding == null)
        return null;
    TType returnType = getBoxedType(methodBinding.getReturnType(), /*no boxing*/
    null);
    if (returnType == null)
        return null;
    ReturnTypeVariable2 cv = new ReturnTypeVariable2(returnType, methodBinding);
    ReturnTypeVariable2 storedCv = (ReturnTypeVariable2) storedCv(cv);
    if (cv == storedCv) {
        makeElementVariables(storedCv, returnType);
        makeArrayElementVariable(storedCv);
        if (fStoreToString)
            //$NON-NLS-1$ //$NON-NLS-2$
            storedCv.setData(ConstraintVariable2.TO_STRING, "[ReturnType(" + Bindings.asString(methodBinding) + ")]");
    }
    return storedCv;
}