protected void outputDelegatingForCase(
NodeType t,
TabPrintWriter writer,
NodeType root,
String retType,
String suff,
String defaultMethod) {
outputForCaseHeader(t, writer, retType, suff);
writer.indent();
if (!retType.equals("void")) {
writer.startLine("return ");
} else {
writer.startLine();
}
Option<NodeType> sup = ast.parent(t);
if (sup.isSome() && !t.equals(root)) {
writer.print(visitorMethodName(sup.unwrap()) + suff + "(that);");
} else {
writer.print(defaultMethod + "(that);");
}
writer.unindent();
writer.startLine("}");
writer.println();
}
protected void outputDefaultCaseMethod(TabPrintWriter writer, NodeType root) {
writer.startLine("/**");
writer.startLine(" * This method is run for all cases that are not handled elsewhere.");
writer.startLine(
" * By default, an exception is thrown; subclasses may override this behavior.");
writer.startLine(" * @throws IllegalArgumentException");
writer.startLine("**/");
writer.startLine("public RetType defaultCase(" + root.name() + " that) {");
writer.indent();
writer.startLine("throw new IllegalArgumentException(\"Visitor \" + getClass().getName()");
writer.print(" + \" does not support visiting values of type \" + that.getClass().getName());");
writer.unindent();
writer.startLine("}");
}