Examples with VariableElement javax.lang.model.element.VariableElement used on opensource projects

Example 76 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class OperatorRewriter method getRetainedWithTarget.

// Gets the target object for a call to the RetainedWith wrapper.
private Expression getRetainedWithTarget(Assignment node, VariableElement var) {
    Expression lhs = node.getLeftHandSide();
    if (!(lhs instanceof FieldAccess)) {
        return new ThisExpression(ElementUtil.getDeclaringClass(var).asType());
    }
    // To avoid duplicating the target expression we must save the result to a local variable.
    FieldAccess fieldAccess = (FieldAccess) lhs;
    Expression target = fieldAccess.getExpression();
    VariableElement targetVar = GeneratedVariableElement.newLocalVar("__rw$" + rwCount++, target.getTypeMirror(), null);
    TreeUtil.asStatementList(TreeUtil.getOwningStatement(lhs)).add(0, new VariableDeclarationStatement(targetVar, null));
    fieldAccess.setExpression(new SimpleName(targetVar));
    CommaExpression commaExpr = new CommaExpression(new Assignment(new SimpleName(targetVar), target));
    node.replaceWith(commaExpr);
    commaExpr.addExpression(node);
    return new SimpleName(targetVar);
}

Example 77 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class OperatorRewriter method rewriteRegularAssignment.

private void rewriteRegularAssignment(Assignment node) {
    VariableElement var = TreeUtil.getVariableElement(node.getLeftHandSide());
    if (var == null) {
        return;
    }
    handleRetainedLocal(var, node.getRightHandSide());
    boolean isRetainedWith = ElementUtil.isRetainedWithField(var);
    String funcName = getAssignmentFunctionName(node, var, isRetainedWith);
    if (funcName == null) {
        return;
    }
    TypeMirror type = node.getTypeMirror();
    TypeMirror idType = TypeUtil.ID_TYPE;
    TypeMirror declaredType = type.getKind().isPrimitive() ? type : idType;
    Expression lhs = node.getLeftHandSide();
    FunctionElement element = new FunctionElement(funcName, declaredType, null);
    FunctionInvocation invocation = new FunctionInvocation(element, type);
    List<Expression> args = invocation.getArguments();
    if (isRetainedWith) {
        element.addParameters(idType);
        args.add(getRetainedWithTarget(node, var));
    }
    element.addParameters(TypeUtil.ID_PTR_TYPE, idType);
    args.add(new PrefixExpression(new PointerType(lhs.getTypeMirror()), PrefixExpression.Operator.ADDRESS_OF, TreeUtil.remove(lhs)));
    args.add(TreeUtil.remove(node.getRightHandSide()));
    node.replaceWith(invocation);
}

Example 78 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class OuterReferenceResolver method visit.

@Override
public boolean visit(SuperFieldAccess node) {
    VariableElement var = node.getVariableElement();
    Name path = getPathForField(var, node.getTypeMirror());
    if (path != null) {
        node.replaceWith(path);
    }
    return false;
}

Example 79 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class JavaCloneWriter method endVisit.

@Override
public void endVisit(TypeDeclaration node) {
    TypeElement type = node.getTypeElement();
    VariableElement originalVar = GeneratedVariableElement.newParameter("original", type.asType(), null);
    List<Statement> adjustments = getFieldAdjustments(node, originalVar);
    if (adjustments.isEmpty()) {
        return;
    }
    TypeMirror voidType = typeUtil.getVoid();
    ExecutableElement javaCloneElement = GeneratedExecutableElement.newMethodWithSelector(JAVA_CLONE_METHOD, voidType, type).addParameter(originalVar);
    MethodDeclaration declaration = new MethodDeclaration(javaCloneElement);
    declaration.setHasDeclaration(false);
    node.addBodyDeclaration(declaration);
    declaration.addParameter(new SingleVariableDeclaration(originalVar));
    Block body = new Block();
    declaration.setBody(body);
    List<Statement> statements = body.getStatements();
    ExecutableElement javaCloneSuperElement = GeneratedExecutableElement.newMethodWithSelector(JAVA_CLONE_METHOD, voidType, typeUtil.getJavaObject());
    SuperMethodInvocation superCall = new SuperMethodInvocation(new ExecutablePair(javaCloneSuperElement));
    superCall.addArgument(new SimpleName(originalVar));
    statements.add(new ExpressionStatement(superCall));
    statements.addAll(adjustments);
}

Example 80 with VariableElement

use of javax.lang.model.element.VariableElement in project j2objc by google.

the class JavaCloneWriter method getFieldAdjustments.

private List<Statement> getFieldAdjustments(TypeDeclaration node, VariableElement originalVar) {
    List<Statement> adjustments = Lists.newArrayList();
    for (VariableDeclarationFragment decl : TreeUtil.getAllFields(node)) {
        VariableElement var = decl.getVariableElement();
        if (ElementUtil.isStatic(var) || var.asType().getKind().isPrimitive()) {
            continue;
        }
        boolean isWeak = ElementUtil.isWeakReference(var);
        boolean isVolatile = ElementUtil.isVolatile(var);
        if (isVolatile) {
            adjustments.add(createVolatileCloneStatement(var, originalVar, isWeak));
        } else if (isWeak) {
            adjustments.add(createReleaseStatement(var));
        }
    }
    return adjustments;
}