/**
* Visitor method: enter all classes in given tree, catching any completion failure exceptions.
* Return the tree's type.
*
* @param tree The tree to be visited.
* @param env The environment visitor argument.
*/
Type classEnter(JCTree tree, Env<AttrContext> env) {
Env<AttrContext> prevEnv = this.env;
try {
this.env = env;
tree.accept(this);
return result;
} catch (CompletionFailure ex) {
return chk.completionError(tree.pos(), ex);
} finally {
this.env = prevEnv;
}
}
/**
* Visitor method: print expression tree.
*
* @param prec The current precedence level.
*/
public void printExpr(JCTree tree, int prec) throws IOException {
int prevPrec = this.prec;
try {
this.prec = prec;
if (tree == null) print("/*missing*/");
else {
tree.accept(this);
}
} catch (UncheckedIOException ex) {
IOException e = new IOException(ex.getMessage());
e.initCause(ex);
throw e;
} finally {
this.prec = prevPrec;
}
}
public void scan(JCTree tree) {
if (tree != null && !result) tree.accept(this);
}
/** Visitor method: Scan a single node. */
public void scan(JCTree tree) {
if (tree != null) tree.accept(this);
}