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/**************************************************************************
*
* Copyright 2011 Jose Fonseca
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
#include <string.h>
#include <iostream>
#include "retrace.hpp"
namespace retrace {
int verbosity = 0;
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 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 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;
}
assert(callback);
assert(callbacks[id] == callback);
callback(call);
}
} /* namespace retrace */
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