Examples with ThisExpression com.google.devtools.j2objc.ast.ThisExpression used on opensource projects

Example 1 with ThisExpression

use of com.google.devtools.j2objc.ast.ThisExpression in project j2objc by google.

the class Functionizer method endVisit.

@Override
public void endVisit(ClassInstanceCreation node) {
    ExecutableElement element = node.getExecutableElement();
    TypeElement type = ElementUtil.getDeclaringClass(element);
    FunctionElement funcElement = newAllocatingConstructorElement(element);
    FunctionInvocation invocation = new FunctionInvocation(funcElement, node.getTypeMirror());
    invocation.setHasRetainedResult(node.hasRetainedResult() || options.useARC());
    List<Expression> args = invocation.getArguments();
    Expression outerExpr = node.getExpression();
    if (outerExpr != null) {
        args.add(TreeUtil.remove(outerExpr));
    } else if (captureInfo.needsOuterParam(type)) {
        args.add(new ThisExpression(ElementUtil.getDeclaringClass(type).asType()));
    }
    Expression superOuterArg = node.getSuperOuterArg();
    if (superOuterArg != null) {
        args.add(TreeUtil.remove(superOuterArg));
    }
    TreeUtil.moveList(node.getCaptureArgs(), args);
    TreeUtil.moveList(node.getArguments(), args);
    node.replaceWith(invocation);
    assert funcElement.getParameterTypes().size() == args.size();
}

Example 2 with ThisExpression

use of com.google.devtools.j2objc.ast.ThisExpression in project j2objc by google.

the class Functionizer method endVisit.

@Override
public void endVisit(SuperConstructorInvocation node) {
    ExecutableElement element = node.getExecutableElement();
    AbstractTypeDeclaration typeDecl = TreeUtil.getEnclosingType(node);
    TypeElement type = typeDecl.getTypeElement();
    FunctionElement funcElement = newFunctionElement(element);
    FunctionInvocation invocation = new FunctionInvocation(funcElement, typeUtil.getVoid());
    List<Expression> args = invocation.getArguments();
    args.add(new ThisExpression(ElementUtil.getDeclaringClass(element).asType()));
    if (typeDecl instanceof TypeDeclaration) {
        TypeDeclaration typeDeclaration = (TypeDeclaration) typeDecl;
        if (captureInfo.needsOuterParam(ElementUtil.getSuperclass(type))) {
            Expression outerArg = TreeUtil.remove(node.getExpression());
            args.add(outerArg != null ? outerArg : typeDeclaration.getSuperOuter().copy());
        }
        TreeUtil.moveList(typeDeclaration.getSuperCaptureArgs(), args);
    }
    TreeUtil.moveList(node.getArguments(), args);
    if (ElementUtil.isEnum(type)) {
        for (VariableElement param : captureInfo.getImplicitEnumParams()) {
            args.add(new SimpleName(param));
        }
    }
    node.replaceWith(new ExpressionStatement(invocation));
    assert funcElement.getParameterTypes().size() == args.size();
}

Example 3 with ThisExpression

use of com.google.devtools.j2objc.ast.ThisExpression in project j2objc by google.

the class OcniExtractor method endVisit.

@Override
public void endVisit(MethodDeclaration node) {
    int modifiers = node.getModifiers();
    if (Modifier.isNative(modifiers)) {
        NativeStatement nativeStmt = extractNativeStatement(node);
        if (nativeStmt != null) {
            Block body = new Block();
            body.addStatement(nativeStmt);
            node.setBody(body);
            node.removeModifiers(Modifier.NATIVE);
        }
    }
    if (Modifier.isSynchronized(modifiers)) {
        TypeElement declaringClass = ElementUtil.getDeclaringClass(node.getExecutableElement());
        SynchronizedStatement syncStmt = new SynchronizedStatement(Modifier.isStatic(modifiers) ? new TypeLiteral(declaringClass.asType(), typeUtil) : new ThisExpression(declaringClass.asType()));
        syncStmt.setBody(TreeUtil.remove(node.getBody()));
        Block newBody = new Block();
        newBody.addStatement(syncStmt);
        node.setBody(newBody);
        node.removeModifiers(Modifier.SYNCHRONIZED);
    }
}

Example 4 with ThisExpression

use of com.google.devtools.j2objc.ast.ThisExpression 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 5 with ThisExpression

use of com.google.devtools.j2objc.ast.ThisExpression in project j2objc by google.

the class TreeConverter method convertFieldAccess.

private TreeNode convertFieldAccess(JCTree.JCFieldAccess node) {
    String fieldName = node.name.toString();
    SourcePosition pos = getPosition(node);
    JCTree.JCExpression selected = node.getExpression();
    if (fieldName.equals("this")) {
        return new ThisExpression().setQualifier((Name) convert(selected)).setTypeMirror(node.sym.asType());
    }
    if ("super".equals(getMemberName(selected))) {
        SuperFieldAccess newNode = new SuperFieldAccess().setVariableElement((VariableElement) node.sym).setName(convertSimpleName(node.sym, node.type, pos));
        if (selected.getKind() == Kind.MEMBER_SELECT) {
            newNode.setQualifier((Name) convert(((JCTree.JCFieldAccess) selected).getExpression()));
        }
        return newNode;
    }
    if (node.getIdentifier().toString().equals("class")) {
        return new TypeLiteral(node.type).setType((Type) convertType(selected.type, pos, false).setPosition(getPosition(node)));
    }
    if (selected.getKind() == Kind.IDENTIFIER && (!node.sym.getKind().isField() || ElementUtil.isConstant((VariableElement) node.sym))) {
        if (selected.toString().equals("this")) {
            // Just return the constant.
            return new SimpleName(node.sym);
        }
        JCIdent ident = (JCTree.JCIdent) selected;
        return new QualifiedName().setName(convertSimpleName(node.sym, node.type, pos)).setQualifier(convertSimpleName(ident.sym, ident.type, pos)).setElement(node.sym);
    }
    if (selected.getKind() == Kind.MEMBER_SELECT) {
        TreeNode newSelected = convertFieldAccess((JCTree.JCFieldAccess) selected).setPosition(pos);
        if (newSelected.getKind() == TreeNode.Kind.QUALIFIED_NAME) {
            return new QualifiedName().setName(convertSimpleName(node.sym, node.type, pos)).setQualifier((QualifiedName) newSelected).setElement(node.sym);
        }
    }
    if (ElementUtil.isConstant((VariableElement) node.sym) && ElementUtil.isStatic(node.sym) && !(selected.getKind() == Kind.METHOD_INVOCATION)) {
        return new QualifiedName().setName(convertSimpleName(node.sym, node.type, pos)).setQualifier((Name) convert(selected)).setElement(node.sym);
    }
    return new FieldAccess().setVariableElement((VariableElement) node.sym).setExpression((Expression) convert(selected)).setName(convertSimpleName(node.sym, node.type, pos).setTypeMirror(node.type));
}