//
// Check whether or not there are files to be recompiled.
//
bool Control::IncrementalRecompilation()
{
//
// Empty out the type lookup table so that it does not continue
// to point to a type that is deleted here.
//
type_table.SetEmpty();
SymbolSet candidates(input_java_file_set.Size() +
input_class_file_set.Size() +
recompilation_file_set.Size());
if (! recompilation_file_set.IsEmpty())
candidates = recompilation_file_set;
else
{
Ostream out;
out.StandardOutput();
out << endl << "Incremental: Enter to continue or q + Enter to quit: "
<< flush;
char ch;
// See if the user types Q or presses enter/escape or sends an EOF
while (1) {
cin.get(ch);
if (cin.eof() || (ch == U_q) || (ch == U_Q)) {
return false;
}
if ((ch == U_ESCAPE) || (ch == U_LINE_FEED)) {
break;
}
}
candidates = input_java_file_set;
candidates.Union(input_class_file_set);
}
if (!candidates.IsEmpty())
{
TypeDependenceChecker dependence_checker(this, candidates,
type_trash_bin);
dependence_checker.PartialOrder();
//
// Compute the initial set of files that need to be recompiled. Place
// them in recompilation_file_set.
//
RereadDirectories();
ComputeRecompilationSet(dependence_checker);
}
//
// Starting with the initial recompilation_file_set, complete the
// computation of the set of files that need to be recompiled. (Add all
// new files to recompilation_file_set). Also, complete the computation of
// type_trash_set, the set of files that should be removed from the
// database as they will be recompiled.
//
fprintf(stderr, "%s", (recompilation_file_set.IsEmpty() &&
expired_file_set.IsEmpty()
? "\nnothing changed...\n" : "\nok...\n"));
fflush(stderr);
return true;
}
