@SuppressWarnings("unchecked")
public FunctionStmtToken getToken(
Token current, ListIterator<Token> iterator, boolean closureAllowed) {
if (current instanceof FunctionStmtToken) {
FunctionStmtToken result = (FunctionStmtToken) current;
result.setStatic(analyzer.getFunction() == null);
Class<? extends Token>[] excludes = new Class[] {EchoStmtToken.class, ImportExprToken.class};
if (analyzer.getClazz() != null) {
excludes = new Class[0];
}
Token next = nextTokenSensitive(iterator, excludes);
if (next instanceof AmpersandRefToken) {
result.setReturnReference(true);
next = nextTokenSensitive(iterator, excludes);
}
if (next instanceof NameToken) {
/*if (analyzer.getFunction() != null)
unexpectedToken(current);*/
analyzer.addScope(true);
FunctionStmtToken oldFunction = analyzer.getFunction();
analyzer.setFunction(result);
BraceExprToken brace = nextAndExpected(iterator, BraceExprToken.class);
if (!brace.isSimpleOpened()) unexpectedToken(brace, "(");
result.setNamespace(analyzer.getNamespace());
result.setName((NameToken) next);
processArguments(result, iterator);
processBody(result, iterator);
result.setLabels(analyzer.getScope().getLabels());
result.setLocal(analyzer.removeScope().getVariables());
analyzer.setFunction(oldFunction);
return result;
} else if (next instanceof BraceExprToken) {
// xClosure
if (((BraceExprToken) next).isSimpleOpened()) {
if (closureAllowed) {
analyzer.pushClosure(result);
analyzer.addScope(true);
processArguments(result, iterator);
processUses(result, iterator);
processBody(result, iterator);
// boolean thisExists = result.isThisExists();
result.setLabels(analyzer.getScope().getLabels());
result.setStaticExists(analyzer.getScope().isStaticExists());
result.setLocal(analyzer.removeScope().getVariables());
// result.setThisExists(thisExists);
analyzer.popClosure();
FunctionStmtToken prevClosure = analyzer.peekClosure();
if (prevClosure != null) {
if (result.isThisExists()) {
analyzer.getScope().addVariable(FunctionStmtToken.thisVariable);
// prevClosure.variable(FunctionStmtToken.thisVariable).setUsed(true);
// prevClosure.setThisExists(true);
}
}
List<VariableExprToken> uses = new ArrayList<VariableExprToken>();
for (ArgumentStmtToken argument : result.getUses()) {
if (argument.isReference()) {
if (analyzer.getFunction() != null) {
analyzer.getFunction().variable(argument.getName()).setReference(true);
}
}
uses.add(argument.getName());
}
analyzer.getScope().addVariables(uses);
return result;
}
iterator.previous();
return null;
}
}
unexpectedToken(next);
}
return null;
}
