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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <list>
#include <map>
#include <set>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
#include "log.h"
NEXTPNR_NAMESPACE_BEGIN
std::vector<FILE *> log_files;
std::vector<std::ostream *> log_streams;
FILE *log_errfile = NULL;
log_write_type log_write_function = nullptr;
bool log_error_stderr = false;
bool log_cmd_error_throw = false;
bool log_quiet_warnings = false;
int log_verbose_level;
std::string log_last_error;
void (*log_error_atexit)() = NULL;
// static bool next_print_log = false;
static int log_newline_count = 0;
std::string vstringf(const char *fmt, va_list ap)
{
std::string string;
char *str = NULL;
#ifdef _WIN32
int sz = 64 + strlen(fmt), rc;
while (1) {
va_list apc;
va_copy(apc, ap);
str = (char *)realloc(str, sz);
rc = vsnprintf(str, sz, fmt, apc);
va_end(apc);
if (rc >= 0 && rc < sz)
break;
sz *= 2;
}
#else
if (vasprintf(&str, fmt, ap) < 0)
str = NULL;
#endif
if (str != NULL) {
string = str;
free(str);
}
return string;
}
void logv(const char *format, va_list ap)
{
//
// Trim newlines from the beginning
while (format[0] == '\n' && format[1] != 0) {
log("\n");
format++;
}
std::string str = vstringf(format, ap);
if (str.empty())
return;
size_t nnl_pos = str.find_last_not_of('\n');
if (nnl_pos == std::string::npos)
log_newline_count += str.size();
else
log_newline_count = str.size() - nnl_pos - 1;
for (auto f : log_files)
fputs(str.c_str(), f);
for (auto f : log_streams)
*f << str;
if (log_write_function)
log_write_function(str);
}
void logv_info(const char *format, va_list ap)
{
std::string message = vstringf(format, ap);
log("Info: %s", message.c_str());
log_flush();
}
void logv_warning(const char *format, va_list ap)
{
std::string message = vstringf(format, ap);
log("Warning: %s", message.c_str());
log_flush();
}
void logv_warning_noprefix(const char *format, va_list ap)
{
std::string message = vstringf(format, ap);
log("%s", message.c_str());
}
void logv_error(const char *format, va_list ap)
{
#ifdef EMSCRIPTEN
auto backup_log_files = log_files;
#endif
if (log_errfile != NULL)
log_files.push_back(log_errfile);
if (log_error_stderr)
for (auto &f : log_files)
if (f == stdout)
f = stderr;
log_last_error = vstringf(format, ap);
log("ERROR: %s", log_last_error.c_str());
log_flush();
if (log_error_atexit)
log_error_atexit();
#ifdef EMSCRIPTEN
log_files = backup_log_files;
#endif
throw log_execution_error_exception();
}
void log(const char *format, ...)
{
va_list ap;
va_start(ap, format);
logv(format, ap);
va_end(ap);
}
void log_info(const char *format, ...)
{
va_list ap;
va_start(ap, format);
logv_info(format, ap);
va_end(ap);
}
void log_warning(const char *format, ...)
{
va_list ap;
va_start(ap, format);
logv_warning(format, ap);
va_end(ap);
}
void log_warning_noprefix(const char *format, ...)
{
va_list ap;
va_start(ap, format);
logv_warning_noprefix(format, ap);
va_end(ap);
}
void log_error(const char *format, ...)
{
va_list ap;
va_start(ap, format);
logv_error(format, ap);
}
void log_cmd_error(const char *format, ...)
{
va_list ap;
va_start(ap, format);
if (log_cmd_error_throw) {
log_last_error = vstringf(format, ap);
log("ERROR: %s", log_last_error.c_str());
log_flush();
throw log_cmd_error_exception();
}
logv_error(format, ap);
}
void log_break()
{
if (log_newline_count < 2)
log("\n");
if (log_newline_count < 2)
log("\n");
}
void log_flush()
{
for (auto f : log_files)
fflush(f);
for (auto f : log_streams)
f->flush();
}
NEXTPNR_NAMESPACE_END
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