int verbosity = 0;
-void ignore(Trace::Call &call) {
+static bool call_dumped = false;
+
+
+static void dumpCall(trace::Call &call) {
+ if (verbosity >= 0 && !call_dumped) {
+ std::cout << call;
+ std::cout.flush();
+ call_dumped = true;
+ }
+}
+
+
+std::ostream &warning(trace::Call &call) {
+ dumpCall(call);
+
+ std::cerr << call.no << ": ";
+ std::cerr << "warning: ";
+
+ return std::cerr;
+}
+
+
+void ignore(trace::Call &call) {
(void)call;
}
-void retrace_unknown(Trace::Call &call) {
- if (verbosity >= 0) {
- std::cerr << call.no << ": warning: unknown call " << call.name() << "\n";
+void unsupported(trace::Call &call) {
+ warning(call) << "unsupported " << call.name() << " call\n";
+}
+
+inline void Retracer::addCallback(const Entry *entry) {
+ assert(entry->name);
+ assert(entry->callback);
+ map[entry->name] = entry->callback;
+}
+
+
+void Retracer::addCallbacks(const Entry *entries) {
+ while (entries->name && entries->callback) {
+ addCallback(entries++);
}
}
-void dispatch(Trace::Call &call, const Entry *entries, unsigned num_entries)
-{
- /* TODO: do a bisection instead of a linear search */
- const char *name = call.name();
- for (unsigned i = 0; i < num_entries; ++i) {
- if (strcmp(name, entries[i].name) == 0) {
- entries[i].callback(call);
- return;
+void Retracer::retrace(trace::Call &call) {
+ call_dumped = false;
+
+ if (verbosity >= 1) {
+ dumpCall(call);
+ }
+
+ Callback callback = 0;
+
+ trace::Id id = call.sig->id;
+ if (id >= callbacks.size()) {
+ callbacks.resize(id + 1);
+ callback = 0;
+ } else {
+ callback = callbacks[id];
+ }
+
+ if (!callback) {
+ Map::const_iterator it = map.find(call.name());
+ if (it == map.end()) {
+ callback = &unsupported;
+ } else {
+ callback = it->second;
}
+ callbacks[id] = callback;
}
- retrace_unknown(call);
+ assert(callback);
+ assert(callbacks[id] == callback);
+
+ callback(call);
}