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

com.sun.tools.javac.tree.JCTree
Root class for abstract syntax tree nodes. It provides definitions for specific tree nodes as subclasses nested inside.
Each subclass is highly standardized. It generally contains only tree fields for the syntactic subcomponents of the node. Some classes that represent identifier uses or definitions also define a Symbol field that denotes the represented identifier. Classes for non-local jumps also carry the jump target as a field. The root class Tree itself defines fields for the tree's type and position. No other fields are kept in a tree node; instead parameters are passed to methods accessing the node.
Except for the methods defined by com.sun.source, the only method defined in subclasses is `visit' which applies a given visitor to the tree. The actual tree processing is done by visitor classes in other packages. The abstract class Visitor, as well as an Factory interface for trees, are defined as inner classes in Tree.
To avoid ambiguities with the Tree API in com.sun.source all sub classes should, by convention, start with JC (javac).
This is NOT part of any supported API. If you write code that depends on this, you do so at your own risk. This code and its internal interfaces are subject to change or deletion without notice. @see TreeMaker @see TreeInfo @see TreeTranslator @see Pretty

        return M.at(t.pos).Synchronized(lock, body);
    }


    public JCTree visitThrow(ThrowTree node, P p) {
        JCThrow t = (JCThrow) node;
        JCTree expr = copy(t.expr, p);
        return M.at(t.pos).Throw(expr);
    }

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        return M.at(t.pos).TypeArray(elemtype);
    }


    public JCTree visitTypeCast(TypeCastTree node, P p) {
        JCTypeCast t = (JCTypeCast) node;
        JCTree clazz = copy(t.clazz, p);
        JCExpression expr = copy(t.expr, p);
        return M.at(t.pos).TypeCast(clazz, expr);
    }

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    }


    public JCTree visitInstanceOf(InstanceOfTree node, P p) {
        JCInstanceOf t = (JCInstanceOf) node;
        JCExpression expr = copy(t.expr, p);
        JCTree clazz = copy(t.clazz, p);
        return M.at(t.pos).TypeTest(expr, clazz);
    }

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    }


    public JCTree visitWildcard(WildcardTree node, P p) {
        JCWildcard t = (JCWildcard) node;
        TypeBoundKind kind = M.at(t.kind.pos).TypeBoundKind(t.kind.kind);
        JCTree inner = copy(t.inner, p);
        return M.at(t.pos).Wildcard(kind, inner);
    }

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        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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    public void visitNewArray(JCNewArray tree) {
        try {
            if (tree.elemtype != null) {
                print("new ");
                JCTree elem = tree.elemtype;
                if (elem instanceof JCArrayTypeTree)
                    printBaseElementType((JCArrayTypeTree) elem);
                else
                    printExpr(elem);
                for (List<JCExpression> l = tree.dims; l.nonEmpty(); l = l.tail) {

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        }
    }


    // Prints the inner element type of a nested array
    private void printBaseElementType(JCArrayTypeTree tree) throws IOException {
        JCTree elem = tree.elemtype;
        while (elem instanceof JCWildcard)
            elem = ((JCWildcard) elem).inner;
        if (elem instanceof JCArrayTypeTree)
            printBaseElementType((JCArrayTypeTree) elem);
        else

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            printExpr(elem);
    }


    // prints the brackets of a nested array in reverse order
    private void printBrackets(JCArrayTypeTree tree) throws IOException {
        JCTree elem;
        while (true) {
            elem = tree.elemtype;
            print("[]");
            if (!(elem instanceof JCArrayTypeTree)) break;
            tree = (JCArrayTypeTree) elem;

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    }
    // where
        /** Add any variables defined in stats to the switch scope. */
        private static void addVars(List<JCStatement> stats, Scope switchScope) {
            for (;stats.nonEmpty(); stats = stats.tail) {
                JCTree stat = stats.head;
                if (stat.getTag() == JCTree.VARDEF)
                    switchScope.enter(((JCVariableDecl) stat).sym);
            }
        }

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                if (site.tag == CLASS) {
                    if (site.getEnclosingType().tag == CLASS) {
                        // we are calling a nested class


                        if (tree.meth.getTag() == JCTree.SELECT) {
                            JCTree qualifier = ((JCFieldAccess) tree.meth).selected;


                            // We are seeing a prefixed call, of the form
                            //     <expr>.super(...).
                            // Check that the prefix expression conforms
                            // to the outer instance type of the class.
                            chk.checkRefType(qualifier.pos(),
                                             attribExpr(qualifier, localEnv,
                                                        site.getEnclosingType()));
                        } else if (methName == names._super) {
                            // qualifier omitted; check for existence
                            // of an appropriate implicit qualifier.

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