Examples of com.sun.tools.javac.tree.JCTree$JCAssignOp

com.sun.tools.javac.tree.JCTree
An assignment with "+=", "|=" ...

        JCTree inner = copy(t.inner, p);
        return M.at(t.pos).Wildcard(kind, inner);
    }


    public JCTree visitOther(Tree node, P p) {
        JCTree tree = (JCTree) node;
        switch (tree.getTag()) {
            case JCTree.LETEXPR: {
                LetExpr t = (LetExpr) node;
                List<JCVariableDecl> defs = copy(t.defs, p);
                JCTree expr = copy(t.expr, p);
                return M.at(t.pos).LetExpr(defs, expr);
            }
            default:
                throw new AssertionError("unknown tree tag: " + tree.getTag());
        }

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        if (resources.isEmpty())
            return block;


        // Add resource declaration or expression to block statements
        ListBuffer<JCStatement> stats = new ListBuffer<JCStatement>();
        JCTree resource = resources.head;
        JCExpression expr = null;
        if (resource instanceof JCVariableDecl) {
            JCVariableDecl var = (JCVariableDecl) resource;
            expr = make.Ident(var.sym).setType(resource.type);
            stats.add(var);

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                          classDollarSym);


        JCStatement rethrow;
        if (target.hasInitCause()) {
            // rethrow = "throw new NoClassDefFoundError().initCause(e);
            JCTree throwExpr =
                makeCall(makeNewClass(syms.noClassDefFoundErrorType,
                                      List.<JCExpression>nil()),
                         names.initCause,
                         List.<JCExpression>of(make.Ident(catchParam)));
            rethrow = make.Throw(throwExpr);

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                                          + "" + rval.hashCode()),
                                      type,
                                      currentMethodSym);
        rval = convert(rval,type);
        JCVariableDecl def = make.VarDef(var, (JCExpression)rval); // XXX cast
        JCTree built = builder.build(make.Ident(var));
        JCTree res = make.LetExpr(def, built);
        res.type = built.type;
        return res;
    }

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        switch (lval.getTag()) {
        case JCTree.IDENT:
            return builder.build(lval);
        case JCTree.SELECT: {
            final JCFieldAccess s = (JCFieldAccess)lval;
            JCTree selected = TreeInfo.skipParens(s.selected);
            Symbol lid = TreeInfo.symbol(s.selected);
            if (lid != null && lid.kind == TYP) return builder.build(lval);
            return abstractRval(s.selected, new TreeBuilder() {
                    public JCTree build(final JCTree selected) {
                        return builder.build(make.Select((JCExpression)selected, s.sym));
                    }
                });
        }
        case JCTree.INDEXED: {
            final JCArrayAccess i = (JCArrayAccess)lval;
            return abstractRval(i.indexed, new TreeBuilder() {
                    public JCTree build(final JCTree indexed) {
                        return abstractRval(i.index, syms.intType, new TreeBuilder() {
                                public JCTree build(final JCTree index) {
                                    JCTree newLval = make.Indexed((JCExpression)indexed,
                                                                (JCExpression)index);
                                    newLval.setType(i.type);
                                    return builder.build(newLval);
                                }
                            });
                    }
                });

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        // list `tree.defs'.
        List<JCTree> seen = List.nil();
        while (tree.defs != seen) {
            List<JCTree> unseen = tree.defs;
            for (List<JCTree> l = unseen; l.nonEmpty() && l != seen; l = l.tail) {
                JCTree outermostMemberDefPrev = outermostMemberDef;
                if (outermostMemberDefPrev == null) outermostMemberDef = l.head;
                l.head = translate(l.head);
                outermostMemberDef = outermostMemberDefPrev;
            }
            seen = unseen;

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    // preserve possible side-effects in the condition expression.


    /** Visitor method for conditional expressions.
     */
    public void visitConditional(JCConditional tree) {
        JCTree cond = tree.cond = translate(tree.cond, syms.booleanType);
        if (cond.type.isTrue()) {
            result = convert(translate(tree.truepart, tree.type), tree.type);
        } else if (cond.type.isFalse()) {
            result = convert(translate(tree.falsepart, tree.type), tree.type);
        } else {

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    }
//where
        private JCTree convert(JCTree tree, Type pt) {
            if (tree.type == pt || tree.type.tag == TypeTags.BOT)
                return tree;
            JCTree result = make_at(tree.pos()).TypeCast(make.Type(pt), (JCExpression)tree);
            result.type = (tree.type.constValue() != null) ? cfolder.coerce(tree.type, pt)
                                                           : pt;
            return result;
        }

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        }


    /** Visitor method for if statements.
     */
    public void visitIf(JCIf tree) {
        JCTree cond = tree.cond = translate(tree.cond, syms.booleanType);
        if (cond.type.isTrue()) {
            result = translate(tree.thenpart);
        } else if (cond.type.isFalse()) {
            if (tree.elsepart != null) {
                result = translate(tree.elsepart);

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    /** Visitor method for parenthesized expressions.
     *  If the subexpression has changed, omit the parens.
     */
    public void visitParens(JCParens tree) {
        JCTree expr = translate(tree.expr);
        result = ((expr == tree.expr) ? tree : expr);
    }

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