diff options
Diffstat (limited to 'kernel/log.cc')
| -rw-r--r-- | kernel/log.cc | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/kernel/log.cc b/kernel/log.cc new file mode 100644 index 000000000..9bf8705e3 --- /dev/null +++ b/kernel/log.cc @@ -0,0 +1,197 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> + * + * 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 "kernel/log.h" +#include "backends/ilang/ilang_backend.h" + +#include <sys/time.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <stdarg.h> +#include <vector> +#include <list> + +std::vector<FILE*> log_files; +FILE *log_errfile = NULL; +bool log_time = false; +bool log_cmd_error_throw = false; + +std::vector<int> header_count; +std::list<std::string> string_buf; + +static struct timeval initial_tv = { 0, 0 }; +static bool next_print_log = false; + +std::string stringf(const char *fmt, ...) +{ + std::string string; + char *str = NULL; + va_list ap; + + va_start(ap, fmt); + if (vasprintf(&str, fmt, ap) < 0) + str = NULL; + va_end(ap); + + if (str != NULL) { + string = str; + free(str); + } + + return string; +} + +void logv(const char *format, va_list ap) +{ + if (log_time) { + while (format[0] == '\n' && format[1] != 0) { + format++; + log("\n"); + } + if (next_print_log || initial_tv.tv_sec == 0) { + next_print_log = false; + struct timeval tv; + gettimeofday(&tv, NULL); + if (initial_tv.tv_sec == 0) + initial_tv = tv; + if (tv.tv_usec < initial_tv.tv_usec) { + tv.tv_sec--; + tv.tv_usec += 1000000; + } + tv.tv_sec -= initial_tv.tv_sec; + tv.tv_usec -= initial_tv.tv_usec; + log("[%05d.%06d] ", int(tv.tv_sec), int(tv.tv_usec)); + } + if (format[0] && format[strlen(format)-1] == '\n') + next_print_log = true; + } + + for (auto f : log_files) { + va_list aq; + va_copy(aq, ap); + vfprintf(f, format, aq); + va_end(aq); + } +} + +void logv_header(const char *format, va_list ap) +{ + log("\n"); + if (header_count.size() > 0) + header_count.back()++; + for (int c : header_count) + log("%d.", c); + log(" "); + logv(format, ap); + log_flush(); +} + +void logv_error(const char *format, va_list ap) +{ + log("ERROR: "); + logv(format, ap); + if (log_errfile != NULL) { + fprintf(log_errfile, "ERROR: "); + vfprintf(log_errfile, format, ap); + } + log_flush(); + exit(1); +} + +void log(const char *format, ...) +{ + va_list ap; + va_start(ap, format); + logv(format, ap); + va_end(ap); +} + +void log_header(const char *format, ...) +{ + va_list ap; + va_start(ap, format); + logv_header(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("ERROR: "); + logv(format, ap); + log_flush(); + throw 0; + } + + logv_error(format, ap); +} + +void log_push() +{ + header_count.push_back(0); +} + +void log_pop() +{ + header_count.pop_back(); + string_buf.clear(); + log_flush(); +} + +void log_reset_stack() +{ + while (header_count.size() > 1) + header_count.pop_back(); + string_buf.clear(); + log_flush(); +} + +void log_flush() +{ + for (auto f : log_files) + fflush(f); +} + +const char *log_signal(const RTLIL::SigSpec &sig, bool autoint) +{ + char *ptr; + size_t size; + + FILE *f = open_memstream(&ptr, &size); + ILANG_BACKEND::dump_sigspec(f, sig, autoint); + fputc(0, f); + fclose(f); + + string_buf.push_back(ptr); + free(ptr); + + return string_buf.back().c_str(); +} + |