lean4-htt/src/library/messages.cpp

58 lines
1.7 KiB
C++

/*
Copyright (c) 2016 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Gabriel Ebner
*/
#include <string>
#include "library/messages.h"
#include "frontends/lean/info_manager.h"
#include "util/task_builder.h"
namespace lean {
message::message(parser_exception const & ex) :
message(ex.get_file_name(), *ex.get_pos(),
ERROR, ex.get_msg()) {}
std::ostream & operator<<(std::ostream & out, message const & msg) {
if (msg.get_severity() != INFORMATION) {
out << msg.get_file_name() << ":" << msg.get_pos().first << ":" << msg.get_pos().second << ": ";
switch (msg.get_severity()) {
case INFORMATION: break;
case WARNING: out << "warning: "; break;
case ERROR: out << "error: "; break;
}
if (!msg.get_caption().empty())
out << msg.get_caption() << ":\n";
}
out << msg.get_text() << "\n";
return out;
}
void report_message(message const & msg) {
logtree().add(std::make_shared<message>(msg));
}
static bool has_errors_sync(log_tree::node const & n) {
for (auto & e : n.get_entries()) {
if (auto msg = dynamic_cast<message const *>(e.get())) {
if (msg->get_severity() >= message_severity::ERROR) {
return true;
}
}
}
bool err = false;
n.get_children().for_each([&] (name const &, log_tree::node const & c) {
if (!err) err = has_errors_sync(c);
});
return err;
}
task<bool> has_errors(log_tree::node const & n) {
return task_builder<bool>([=] { return has_errors_sync(n); })
.depends_on(n.wait_for_finish())
.build();
}
}