Added quiet mode for logging

common/command.cc

@@ -84,6 +84,7 @@ po::options_description CommandHandler::getGeneralOptions()
     po::options_description general("General options");
     general.add_options()("help,h", "show help");
     general.add_options()("verbose,v", "verbose output");
+    general.add_options()("quiet,q", "quiet mode, only errors displayed");
     general.add_options()("debug", "debug output");
     general.add_options()("force,f", "keep running after errors");
 #ifndef NO_GUI
@@ -119,6 +120,10 @@ void CommandHandler::setupContext(Context *ctx)
         ctx->debug = true;
     }
 
+    if (vm.count("quiet")) {
+        log_quiet_warnings = true;
+    }
+
     if (vm.count("force")) {
         ctx->force = true;
     }

common/log.cc

@@ -30,6 +30,8 @@
 
 NEXTPNR_NAMESPACE_BEGIN
 
+void log_internal(const char *format, ...) NPNR_ATTRIBUTE(format(printf, 1, 2));
+
 std::vector<FILE *> log_files;
 std::vector<std::ostream *> log_streams;
 FILE *log_errfile = NULL;
@@ -38,7 +40,6 @@ 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;
 
@@ -80,7 +81,7 @@ void logv(const char *format, va_list ap)
     //
     // Trim newlines from the beginning
     while (format[0] == '\n' && format[1] != 0) {
-        log("\n");
+        log_internal("\n");
         format++;
     }
 
@@ -108,7 +109,7 @@ void logv_info(const char *format, va_list ap)
 {
     std::string message = vstringf(format, ap);
 
-    log("Info: %s", message.c_str());
+    log_internal("Info: %s", message.c_str());
     log_flush();
 }
 
@@ -116,7 +117,7 @@ void logv_warning(const char *format, va_list ap)
 {
     std::string message = vstringf(format, ap);
 
-    log("Warning: %s", message.c_str());
+    log_internal("Warning: %s", message.c_str());
     log_flush();
 }
 
@@ -124,7 +125,7 @@ void logv_warning_noprefix(const char *format, va_list ap)
 {
     std::string message = vstringf(format, ap);
 
-    log("%s", message.c_str());
+    log_internal("%s", message.c_str());
 }
 
 void logv_error(const char *format, va_list ap)
@@ -142,7 +143,7 @@ void logv_error(const char *format, va_list ap)
                 f = stderr;
 
     log_last_error = vstringf(format, ap);
-    log("ERROR: %s", log_last_error.c_str());
+    log_internal("ERROR: %s", log_last_error.c_str());
     log_flush();
 
     if (log_error_atexit)
@@ -154,8 +155,17 @@ void logv_error(const char *format, va_list ap)
     throw log_execution_error_exception();
 }
 
+void log_internal(const char *format, ...)
+{
+    va_list ap;
+    va_start(ap, format);
+    logv(format, ap);
+    va_end(ap);
+}
+
 void log(const char *format, ...)
 {
+    if (log_quiet_warnings) return;
     va_list ap;
     va_start(ap, format);
     logv(format, ap);
@@ -164,6 +174,7 @@ void log(const char *format, ...)
 
 void log_info(const char *format, ...)
 {
+    if (log_quiet_warnings) return;
     va_list ap;
     va_start(ap, format);
     logv_info(format, ap);
@@ -172,6 +183,7 @@ void log_info(const char *format, ...)
 
 void log_warning(const char *format, ...)
 {
+    if (log_quiet_warnings) return;
     va_list ap;
     va_start(ap, format);
     logv_warning(format, ap);
@@ -180,6 +192,7 @@ void log_warning(const char *format, ...)
 
 void log_warning_noprefix(const char *format, ...)
 {
+    if (log_quiet_warnings) return;
     va_list ap;
     va_start(ap, format);
     logv_warning_noprefix(format, ap);
@@ -200,7 +213,7 @@ void log_cmd_error(const char *format, ...)
 
     if (log_cmd_error_throw) {
         log_last_error = vstringf(format, ap);
-        log("ERROR: %s", log_last_error.c_str());
+        log_internal("ERROR: %s", log_last_error.c_str());
         log_flush();
         throw log_cmd_error_exception();
     }
@@ -210,10 +223,11 @@ void log_cmd_error(const char *format, ...)
 
 void log_break()
 {
+    if (log_quiet_warnings) return;
     if (log_newline_count < 2)
-        log("\n");
+        log_internal("\n");
     if (log_newline_count < 2)
-        log("\n");
+        log_internal("\n");
 }
 
 void log_flush()

common/log.h

@@ -48,15 +48,9 @@ extern FILE *log_errfile;
 extern log_write_type log_write_function;
 
 extern bool log_quiet_warnings;
-extern int log_verbose_level;
 extern std::string log_last_error;
 extern void (*log_error_atexit)();
 
-void logv(const char *format, va_list ap);
-void logv_warning(const char *format, va_list ap);
-void logv_warning_noprefix(const char *format, va_list ap);
-NPNR_NORETURN void logv_error(const char *format, va_list ap) NPNR_ATTRIBUTE(noreturn);
-
 extern std::ostream clog;
 void log(const char *format, ...) NPNR_ATTRIBUTE(format(printf, 1, 2));
 void log_header(const char *format, ...) NPNR_ATTRIBUTE(format(printf, 1, 2));