/**
* Returns a string of the modules in the compile stack, beginning with the the specified module
* and ending with the module at the top of the stack. The modules have arrows between them to
* indicate dependencies. This method is used when reporting a circular module dependency error.
*/
public String printStackPath(ModuleID id) {
StringBuffer sb = new StringBuffer();
Stack<ModuleID> stack2 = new Stack<ModuleID>();
boolean printID = false;
ModuleID id2 = null;
while (!stack.isEmpty()) {
id2 = stack.pop();
stack2.push(id2);
}
sb.append("(");
while (!stack2.isEmpty()) {
id2 = stack2.pop();
if (id2 == id) {
printID = true;
}
if (printID) {
sb.append(id2.toString());
if (!stack2.isEmpty()) {
sb.append(" -> ");
}
}
stack.push(id2);
}
sb.append(")");
return sb.toString();
}
/**
* Constructs a record containing the module id, the file, and the module dec, and places it in
* the module environment. Also places the module into a stack that indicates compilation has
* begun on this module but has not completed.
*/
public void constructRecord(ModuleID id, File file, ModuleDec dec) {
ModuleRecord record = new ModuleRecord(id, file);
record.setModuleDec(dec);
assert !map.containsKey(id) : "map already contains key";
assert !fmap.containsKey(file) : "fmap already contains file";
map.put(id, record);
fmap.put(file, id);
stack.push(id);
if (!debugOff) {
err.message("Construct record: " + id.toString()); // DEBUG
}
}
