Initial check-in of ElectricalFire, a Java JIT compiler.

git-svn-id: svn://10.0.0.236/trunk@15719 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/ef/Utilities/General/LogModule.cpp

@@ -0,0 +1,127 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+// LogModule.cpp
+//
+// Scott M. Silver
+//
+
+
+#include <stdarg.h>
+#include <string.h>
+#include <malloc.h>
+#include "prthread.h"
+#include "prprf.h"
+#include "LogModule.h"
+
+#ifdef LOGMODULE_CLASS_IS_DEFINED
+
+#define DEFAULT_LOG_FILENAME "ef.log"
+
+// Default log file, if no module-specific files defined
+static FILE* defaultLogFile = NULL;
+
+LogModuleObject *LogModuleObject::allLogModules = NULL;
+
+LogModuleObject::
+LogModuleObject(const char* inModuleName, PRLogModuleOptions inOptions)
+{
+	name = strdup(inModuleName);
+	level = PR_LOG_NONE;
+	options = inOptions;
+	file = NULL;
+
+	// Add this module to the chain of all logging modules
+	next = allLogModules;
+	allLogModules = this;
+}
+
+LogModuleObject::
+~LogModuleObject()
+{
+    if (name)
+	free((void*)name);
+    if (file)
+	fclose(file);
+}
+
+FILE *LogModuleObject::
+getFile() const
+{
+    if (file)
+	return file;
+    if (!defaultLogFile)
+        defaultLogFile = fopen(DEFAULT_LOG_FILENAME, "w");
+    return defaultLogFile;
+}
+
+size_t LogModuleObject::
+logPrint(const char* inFormat, ...) const
+{
+	char *msg;
+	size_t num_chars;
+	PRThread *me;
+
+	va_list ap;
+
+	va_start(ap, inFormat);
+
+	if (options & PR_LOG_OPTION_SHOW_THREAD_ID) {
+		char *format;
+
+		me = PR_GetCurrentThread();
+		format = PR_smprintf("[%p]: %s", me, inFormat);
+		if (!format)
+			return 0;
+		msg = PR_vsmprintf(format, ap);
+		PR_smprintf_free(format);
+	} else {
+		msg = PR_vsmprintf(inFormat, ap);
+	}
+
+	if (!msg)
+		return 0;
+
+	num_chars = strlen(msg);
+
+	FILE *f = getFile();
+	PR_ASSERT(f);
+	if (!f)
+	    return 0;
+
+	fputs(msg, f);
+	if (options & PR_LOG_OPTION_ADD_NEWLINE)
+		fputs("\n", f);
+	
+	PR_smprintf_free(msg);
+
+	return num_chars;
+}
+
+bool LogModuleObject::
+setLogFile(const char* inFileName)
+{
+    if (file)
+	fclose(file);
+    file = fopen(inFileName, "w");
+    return (file != NULL);
+}
+#endif
+
+
+