public List<Variable> getVariables(String command) {
String[] cmds = command.split(" ");
List<String> args = new ArrayList(Arrays.asList(cmds));
StringBuilder lastVar = new StringBuilder();
ArrayList<Variable> vars = new ArrayList<Variable>();
Variable v = null;
for (int j = 0; j < cleft.size(); j++) {
try {
if (cleft.get(j).getCType() == ConstructType.VARIABLE) {
if (((Variable) cleft.get(j)).getName().equals("$")) {
for (int k = j; k < args.size(); k++) {
lastVar.append(args.get(k).trim()).append(" ");
}
v =
new Variable(
((Variable) cleft.get(j)).getName(), lastVar.toString().trim(), Target.UNKNOWN);
} else {
v = new Variable(((Variable) cleft.get(j)).getName(), args.get(j), Target.UNKNOWN);
}
}
} catch (IndexOutOfBoundsException e) {
v =
new Variable(
((Variable) cleft.get(j)).getName(),
((Variable) cleft.get(j)).getDefault(),
Target.UNKNOWN);
}
if (v != null) {
vars.add(v);
}
}
return vars;
}
private boolean compileLeft() {
cleft = new ArrayList<Construct>();
if (label != null && label.startsWith("!")) {
if (label.length() > 1) {
label = label.substring(1);
}
nolog = true;
}
for (int i = 0; i < left.size(); i++) {
Token t = left.get(i);
if (t.value.startsWith("/")) {
cleft.add(new Command(t.val(), t.target));
} else if (t.type == Token.TType.VARIABLE) {
cleft.add(new Variable(t.val(), null, t.target));
} else if (t.type.equals(TType.FINAL_VAR)) {
Variable v = new Variable(t.val(), null, t.target);
v.setFinal(true);
cleft.add(v);
} else if (t.type.equals(TType.LSQUARE_BRACKET)) {
if (i + 2 < left.size() && left.get(i + 2).type.equals(TType.OPT_VAR_ASSIGN)) {
Variable v = new Variable(left.get(i + 1).val(), left.get(i + 3).val(), t.target);
v.setOptional(true);
if (left.get(i + 1).type.equals(TType.FINAL_VAR)) {
v.setFinal(true);
}
cleft.add(v);
i += 4;
} else {
t = left.get(i + 1);
Variable v = new Variable(t.val(), null, t.target);
v.setOptional(true);
if (t.val().equals("$")) {
v.setFinal(true);
}
cleft.add(v);
i += 2;
}
} else {
cleft.add(new CString(t.val(), t.getTarget()));
}
}
return true;
}
public void run(final List<Variable> vars, Environment myEnv, final MethodScriptComplete done) {
// Some things, such as the label are determined at compile time
this.CurrentEnv = myEnv;
this.CurrentEnv.getEnv(GlobalEnv.class).SetLabel(this.label);
MCCommandSender p = myEnv.getEnv(CommandHelperEnvironment.class).GetCommandSender();
if (!hasBeenCompiled || compilerError) {
Target target = Target.UNKNOWN;
if (left.size() >= 1) {
try {
target = new Target(left.get(0).line_num, left.get(0).file, left.get(0).column);
} catch (NullPointerException e) {
// Oh well, we tried to get more information
}
}
throw new ConfigRuntimeException(
"Unable to run command, script not yet compiled, or a compiler error occured for that command."
+ " To see the compile error, run /reloadaliases",
null,
target);
}
if (p instanceof MCPlayer) {
if (CurrentEnv.getEnv(GlobalEnv.class).GetLabel() != null) {
PermissionsResolver perms = CurrentEnv.getEnv(GlobalEnv.class).GetPermissionsResolver();
String[] groups = CurrentEnv.getEnv(GlobalEnv.class).GetLabel().split("/");
for (String group : groups) {
if (group.startsWith("-")
&& perms.inGroup(((MCPlayer) p).getName(), group.substring(1))) {
// negative permission
throw new ConfigRuntimeException(
"You do not have permission to use that command",
ExceptionType.InsufficientPermissionException,
Target.UNKNOWN);
} else if (perms.inGroup(((MCPlayer) p).getName(), group)) {
// They do have permission.
break;
}
}
}
}
try {
for (ParseTree rootNode : cright) {
for (Construct tempNode : rootNode.getAllData()) {
if (tempNode instanceof Variable) {
if (left_vars == null) {
throw new ConfigRuntimeException(
"$variables may not be used in this context. Only @variables may be.",
null,
tempNode.getTarget());
}
((Variable) tempNode)
.setVal(
new CString(
Static.resolveDollarVar(
left_vars.get(((Variable) tempNode).getName()), vars)
.toString(),
tempNode.getTarget()));
}
}
MethodScriptCompiler.registerAutoIncludes(CurrentEnv, this);
MethodScriptCompiler.execute(rootNode, CurrentEnv, done, this);
}
} catch (ConfigRuntimeException ex) {
// We don't know how to handle this really, so let's pass it up the chain.
throw ex;
} catch (CancelCommandException e) {
// p.sendMessage(e.getMessage());
// The message in the exception is actually empty
} catch (LoopBreakException e) {
if (p != null) {
p.sendMessage("The break() function must be used inside a for() or foreach() loop");
}
System.out.println("The break() function must be used inside a for() or foreach() loop");
} catch (LoopContinueException e) {
if (p != null) {
p.sendMessage("The continue() function must be used inside a for() or foreach() loop");
}
System.out.println("The continue() function must be used inside a for() or foreach() loop");
} catch (FunctionReturnException e) {
if (myEnv.getEnv(CommandHelperEnvironment.class).GetEvent() != null) {
// Oh, we're running in an event handler. Those know how to catch it too.
throw e;
}
if (p != null) {
p.sendMessage("The return() function must be used inside a procedure.");
}
System.out.println("The return() function must be used inside a procedure.");
} catch (Throwable t) {
System.out.println("An unexpected exception occured during the execution of a script.");
t.printStackTrace();
if (p != null) {
p.sendMessage(
"An unexpected exception occured during the execution of your script. Please check the console for more information.");
}
}
if (done != null) {
done.done(null);
}
}
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!
// }
// }
// }
// }
// }
// }
}
private boolean verifyLeft() throws ConfigCompileException {
boolean inside_opt_var = false;
boolean after_no_def_opt_var = false;
String lastVar = null;
// Go through our token list and readjust non-spaced symbols. Any time we combine a symbol,
// the token becomes a string
List<Token> tempLeft = new ArrayList<Token>();
for (int i = 0; i < left.size(); i++) {
Token t = left.get(i);
if (i == 0 && t.type == TType.NEWLINE) {
continue;
}
if (t.type.isSymbol() && left.size() - 1 > i && left.get(i + 1).type != TType.WHITESPACE) {
StringBuilder b = new StringBuilder();
b.append(t.value);
i++;
Token m = left.get(i);
while (m.type.isSymbol() && m.type != TType.WHITESPACE) {
b.append(m.value);
i++;
m = left.get(i);
}
if (m.type != TType.WHITESPACE && m.type != TType.LABEL) {
b.append(m.value);
}
t = new Token(TType.STRING, b.toString(), t.target);
if (m.type == TType.LABEL) {
tempLeft.add(t);
tempLeft.add(m);
continue;
}
}
// Go ahead and toString the other symbols too
if (t.type.isSymbol()) {
t = new Token(TType.STRING, t.value, t.target);
}
if (t.type != TType.WHITESPACE) {
tempLeft.add(t);
}
}
// Look through and concatenate all tokens before the label, if such exists.
boolean hasLabel = false;
for (int i = 0; i < tempLeft.size(); i++) {
if (tempLeft.get(i).type == TType.LABEL) {
hasLabel = true;
break;
}
}
if (hasLabel) {
StringBuilder b = new StringBuilder();
int count = 0;
while (tempLeft.get(count).type != TType.LABEL) {
b.append(tempLeft.get(count).val());
count++;
}
tempLeft.set(0, new Token(TType.STRING, b.toString(), Target.UNKNOWN));
for (int i = 0; i < count - 1; i++) {
tempLeft.remove(1);
}
}
left = tempLeft;
for (int j = 0; j < left.size(); j++) {
Token t = left.get(j);
// Token prev_token = j - 2 >= 0?c.tokens.get(j - 2):new Token(TType.UNKNOWN, "", t.line_num);
Token last_token = j - 1 >= 0 ? left.get(j - 1) : new Token(TType.UNKNOWN, "", t.getTarget());
Token next_token =
j + 1 < left.size() ? left.get(j + 1) : new Token(TType.UNKNOWN, "", t.getTarget());
Token after_token =
j + 2 < left.size() ? left.get(j + 2) : new Token(TType.UNKNOWN, "", t.getTarget());
if (j == 0) {
if (next_token.type == TType.LABEL) {
this.label = t.val();
j--;
left.remove(0);
left.remove(0);
continue;
}
}
if (t.type == TType.LABEL) {
continue;
}
if (t.type.equals(TType.FINAL_VAR) && left.size() - j >= 5) {
throw new ConfigCompileException(
"FINAL_VAR must be the last argument in the alias", t.target);
}
if (t.type.equals(TType.VARIABLE) || t.type.equals(TType.FINAL_VAR)) {
Variable v = new Variable(t.val(), null, t.target);
lastVar = t.val();
v.setOptional(last_token.type.equals(TType.LSQUARE_BRACKET));
left_vars.put(t.val(), v);
if (v.isOptional()) {
after_no_def_opt_var = true;
} else {
v.setDefault("");
}
}
// We're looking for a command up front
if (j == 0 && !t.value.startsWith("/")) {
if (!(next_token.type == TType.LABEL && after_token.type == TType.COMMAND)) {
throw new ConfigCompileException(
"Expected command (/command) at start of alias."
+ " Instead, found "
+ t.type
+ " ("
+ t.val()
+ ")",
t.target);
}
}
if (last_token.type.equals(TType.LSQUARE_BRACKET)) {
inside_opt_var = true;
if (!(t.type.equals(TType.FINAL_VAR) || t.type.equals(TType.VARIABLE))) {
throw new ConfigCompileException(
"Unexpected "
+ t.type.toString()
+ " ("
+ t.val()
+ "), was expecting"
+ " a $variable",
t.target);
}
}
if (after_no_def_opt_var && !inside_opt_var) {
if (t.type.equals(TType.VARIABLE) || t.type.equals(TType.FINAL_VAR)) {
throw new ConfigCompileException(
"You cannot have anything other than optional arguments after your"
+ " first optional argument.",
t.target);
}
}
if (!t.type.equals(TType.LSQUARE_BRACKET)
&& !t.type.equals(TType.OPT_VAR_ASSIGN)
&& !t.type.equals(TType.RSQUARE_BRACKET)
&& !t.type.equals(TType.VARIABLE)
&& !t.type.equals(TType.LIT)
&& !t.type.equals(TType.COMMAND)
&& !t.type.equals(TType.FINAL_VAR)) {
if (j - 1 > 0
&& !(
/*t.type.equals(TType.STRING) &&*/ left.get(j - 1).type.equals(TType.OPT_VAR_ASSIGN))) {
throw new ConfigCompileException("Unexpected " + t.type + " (" + t.val() + ")", t.target);
}
}
if (last_token.type.equals(TType.COMMAND)) {
if (!(t.type.equals(TType.VARIABLE)
|| t.type.equals(TType.LSQUARE_BRACKET)
|| t.type.equals(TType.FINAL_VAR)
|| t.type.equals(TType.LIT))) {
throw new ConfigCompileException(
"Unexpected " + t.type + " (" + t.val() + ") after command", t.target);
}
}
if (inside_opt_var && t.type.equals(TType.OPT_VAR_ASSIGN)) {
if (!((next_token.type.equals(TType.STRING) || next_token.type.equals(TType.LIT))
&& after_token.type.equals(TType.RSQUARE_BRACKET)
|| (next_token.type.equals(TType.RSQUARE_BRACKET)))) {
throw new ConfigCompileException("Unexpected token in optional variable", t.target);
} else if (next_token.type.equals(TType.STRING) || next_token.type.equals(TType.LIT)) {
left_vars.get(lastVar).setDefault(next_token.val());
}
}
if (t.type.equals(TType.RSQUARE_BRACKET)) {
if (!inside_opt_var) {
throw new ConfigCompileException("Unexpected " + t.type.toString(), t.target);
}
inside_opt_var = false;
// if (last_token.type.equals(TType.VARIABLE)
// || last_token.type.equals(TType.FINAL_VAR)) {
// after_no_def_opt_var = true;
// }
}
}
return true;
}
public boolean match(String command) {
if (cleft == null) {
// The compilation error happened during the signature declaration, so
// we can't match it, nor can we even tell if it's what they intended for us to run.
return false;
}
boolean case_sensitive = Prefs.CaseSensitive();
String[] cmds = command.split(" ");
List<String> args = new ArrayList(Arrays.asList(cmds));
boolean isAMatch = true;
StringBuilder lastVar = new StringBuilder();
int lastJ = 0;
try {
for (int j = 0; j < cleft.size(); j++) {
if (!isAMatch) {
break;
}
lastJ = j;
Construct c = cleft.get(j);
String arg = args.get(j);
if (c.getCType() != ConstructType.VARIABLE) {
if (case_sensitive && !c.val().equals(arg)
|| !case_sensitive && !c.val().equalsIgnoreCase(arg)) {
isAMatch = false;
continue;
}
} else {
// It's a variable. If it's optional, the rest of them are optional too, so as long as the
// size of
// args isn't greater than the size of cleft, it's a match
if (((Variable) c).isOptional()) {
if (args.size() <= cleft.size()) {
return true;
} else {
Construct fin = cleft.get(cleft.size() - 1);
if (fin instanceof Variable) {
if (((Variable) fin).isFinal()) {
return true;
}
}
return false;
}
}
}
if (j == cleft.size() - 1) {
if (cleft.get(j).getCType() == ConstructType.VARIABLE) {
Variable lv = (Variable) cleft.get(j);
if (lv.isFinal()) {
for (int a = j; a < args.size(); a++) {
if (lastVar.length() == 0) {
lastVar.append(args.get(a));
} else {
lastVar.append(" ").append(args.get(a));
}
}
}
}
}
}
} catch (IndexOutOfBoundsException e) {
if (cleft.get(lastJ).getCType() != ConstructType.VARIABLE
|| cleft.get(lastJ).getCType() == ConstructType.VARIABLE
&& !((Variable) cleft.get(lastJ)).isOptional()) {
isAMatch = false;
}
}
boolean lastIsFinal = false;
if (cleft.get(cleft.size() - 1) instanceof Variable) {
Variable v = (Variable) cleft.get(cleft.size() - 1);
if (v.isFinal()) {
lastIsFinal = true;
}
}
if ((cleft.get(lastJ) instanceof Variable && ((Variable) cleft.get(lastJ)).isOptional())) {
return true;
}
if (cleft.size() != cmds.length && !lastIsFinal) {
isAMatch = false;
}
// ArrayList<Variable> vars = new ArrayList<Variable>();
// Variable v = null;
// for (int j = 0; j < cleft.size(); j++) {
// try {
// if (cleft.get(j).getCType() == ConstructType.VARIABLE) {
// if (((Variable) cleft.get(j)).getName().equals("$")) {
// v = new Variable(((Variable) cleft.get(j)).getName(),
// lastVar.toString(), Target.UNKNOWN);
// } else {
// v = new Variable(((Variable) cleft.get(j)).getName(),
// args.get(j), Target.UNKNOWN);
// }
// }
// } catch (IndexOutOfBoundsException e) {
// v = new Variable(((Variable) cleft.get(j)).getName(),
// ((Variable) cleft.get(j)).getDefault(), Target.UNKNOWN);
// }
// if (v != null) {
// vars.add(v);
// }
// }
return isAMatch;
}