lean4-htt/src/library/messages.cpp
Sebastian Ullrich 1f601708e4 fix: print messages to stderr
This ensures that errors during dependency resolution in the Makefile actually show up
2019-11-10 09:01:43 -08:00

73 lines
2 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 "library/trace.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_filename() << ":" << 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";
}
auto const & text = msg.get_text();
out << text;
if (!text.size() || text[text.size() - 1] != '\n')
out << "\n";
return out;
}
void report_message(message const & msg0) {
if (!get_global_ios().get_options().get_bool(name {"trace", "as_messages"}, false)) {
// Print immediately. Still add as a message so that we get the error code correct.
get_global_ios().get_diagnostic_stream() << msg0;
}
lean_assert(global_message_log());
global_message_log()->add(msg0);
}
LEAN_THREAD_PTR(message_log, g_message_log);
scope_message_log::scope_message_log(message_log * l) :
flet<message_log *>(g_message_log, l) {}
message_log * global_message_log() {
return g_message_log;
}
bool message_log::has_errors() const {
for (auto const & m : m_rev_list) {
if (m.is_error()) {
return true;
}
}
return false;
}
void message_log::add(message const & m) {
m_rev_list = cons(m, m_rev_list);
}
buffer<message> message_log::to_buffer() const {
buffer<message> buf;
for (auto const & m : m_rev_list) {
buf.push_back(m);
}
std::reverse(buf.begin(), buf.end());
return buf;
}
}