public void checkAmbiguous(List<Script> scripts) throws ConfigCompileException {
// for (int i = 0; i < scripts.size(); i++) {
List<Construct> thisCommand = this.cleft;
for (int j = 0; j < scripts.size(); j++) {
List<Construct> thatCommand = scripts.get(j).cleft;
if (thatCommand == null) {
// it hasn't been compiled yet.
return;
}
if (this.cleft == scripts.get(j).cleft) {
// Of course this command is going to match it's own signature
continue;
}
boolean soFarAMatch = true;
for (int k = 0; k < thisCommand.size(); k++) {
try {
Construct c1 = thisCommand.get(k);
Construct c2 = thatCommand.get(k);
if (c1.getCType() != c2.getCType()
|| ((c1 instanceof Variable) && !((Variable) c1).isOptional())) {
soFarAMatch = false;
} else {
// It's a literal, check to see if it's the same literal
if (c1.nval() == null || !c1.val().equals(c2.val())) {
soFarAMatch = false;
}
}
} catch (IndexOutOfBoundsException e) {
/**
* The two commands: /cmd $var1 [$var2] /cmd $var1 would cause this exception to be
* thrown, but the signatures are the same, so the fact that they've matched this far
* means they are ambiguous. However, /cmd $var1 $var2 /cmd $var1 is not ambiguous
*/
// thatCommand is the short one
if (!(thisCommand.get(k) instanceof Variable)
|| (thisCommand.get(k) instanceof Variable
&& !((Variable) thisCommand.get(k)).isOptional())) {
soFarAMatch = false;
}
}
}
if (thatCommand.size() > thisCommand.size()) {
int k = thisCommand.size();
// thisCommand is the short one
if (!(thatCommand.get(k) instanceof Variable)
|| (thatCommand.get(k) instanceof Variable
&& !((Variable) thatCommand.get(k)).isOptional())) {
soFarAMatch = false;
}
}
if (soFarAMatch) {
String commandThis = "";
for (Construct c : thisCommand) {
commandThis += c.val() + " ";
}
String commandThat = "";
for (Construct c : thatCommand) {
commandThat += c.val() + " ";
}
scripts.get(j).compilerError = true;
this.compilerError = true;
throw new ConfigCompileException(
"The command "
+ commandThis.trim()
+ " is ambiguous because it "
+ "matches the signature of "
+ commandThat.trim(),
thisCommand.get(0).getTarget());
}
}
// //Also, check for undefined variables on the right, and unused variables on the left
// ArrayList<String> left_copy = new ArrayList<String>();
// for (Map.Entry<String, Variable> v : left_vars.entrySet()) {
// left_copy.add(v.getValue().getName());
// }
// Arrays.asList(new String[]{}).toArray(new String[]{});
// for (ParseTree gtn : cright) {
// GenericTree<Construct> tree = new GenericTree<Construct>();
// tree.setRoot(gtn);
// List<ParseTree> builtTree = tree.build(GenericTreeTraversalOrderEnum.PRE_ORDER);
// for (ParseTree c : builtTree) {
// if (c.getData() instanceof Variable) {
// for (Map.Entry<String, Variable> v : left_vars.entrySet()) {
// if (v.getValue().getName().equals(((Variable) c.getData()).getName()))
// {
// //Found it, remove this from the left_copy, and break
// left_copy.remove(v.getValue().getName());
// break;
// //TODO: Layton!
// }
// }
// }
// }
// }
// }
}
