9 files changed, 495 insertions, 33 deletions

diff --git a/indra/newview/Info-SecondLife.plist b/indra/newview/Info-SecondLife.plist
index 31b4201f47..9482f07524 100644
--- a/indra/newview/Info-SecondLife.plist
+++ b/indra/newview/Info-SecondLife.plist
@@ -21,7 +21,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>${MACOSX_BUNDLE_LONG_VERSION_STRING}</string>
+	<string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/indra/newview/llappdelegate-objc.mm b/indra/newview/llappdelegate-objc.mm
index aebae4c434..1d55537427 100644
--- a/indra/newview/llappdelegate-objc.mm
+++ b/indra/newview/llappdelegate-objc.mm
@@ -25,7 +25,16 @@
  */
 
 #import "llappdelegate-objc.h"
+#if defined(LL_BUGSPLAT)
+#include <boost/filesystem.hpp>
+#include <vector>
+@import BugsplatMac;
+// derived from BugsplatMac's BugsplatTester/AppDelegate.m
+@interface LLAppDelegate () <BugsplatStartupManagerDelegate>
+@end
+#endif
 #include "llwindowmacosx-objc.h"
+#include "llappviewermacosx-for-objc.h"
 #include <Carbon/Carbon.h> // Used for Text Input Services ("Safe" API - it's supported)
 
 @implementation LLAppDelegate
@@ -47,6 +56,25 @@
 
 - (void) applicationDidFinishLaunching:(NSNotification *)notification
 {
+	// Call constructViewer() first so our logging subsystem is in place. This
+	// risks missing crashes in the LLAppViewerMacOSX constructor, but for
+	// present purposes it's more important to get the startup sequence
+	// properly logged.
+	// Someday I would like to modify the logging system so that calls before
+	// it's initialized are cached in a std::ostringstream and then, once it's
+	// initialized, "played back" into whatever handlers have been set up.
+	constructViewer();
+
+#if defined(LL_BUGSPLAT)
+	// Engage BugsplatStartupManager *before* calling initViewer() to handle
+	// any crashes during initialization.
+	// https://www.bugsplat.com/docs/platforms/os-x#initialization
+	[BugsplatStartupManager sharedManager].autoSubmitCrashReport = YES;
+	[BugsplatStartupManager sharedManager].askUserDetails = NO;
+	[BugsplatStartupManager sharedManager].delegate = self;
+	[[BugsplatStartupManager sharedManager] start];
+#endif
+
 	frameTimer = nil;
 
 	[self languageUpdated];
@@ -179,4 +207,138 @@
     return true;
 }
 
+#if defined(LL_BUGSPLAT)
+
+- (NSString *)applicationLogForBugsplatStartupManager:(BugsplatStartupManager *)bugsplatStartupManager
+{
+    CrashMetadata& meta(CrashMetadata_instance());
+    // As of BugsplatMac 1.0.6, userName and userEmail properties are now
+    // exposed by the BugsplatStartupManager. Set them here, since the
+    // defaultUserNameForBugsplatStartupManager and
+    // defaultUserEmailForBugsplatStartupManager methods are called later, for
+    // the *current* run, rather than for the previous crashed run whose crash
+    // report we are about to send.
+    infos("applicationLogForBugsplatStartupManager setting userName = '" +
+          meta.agentFullname + '"');
+    bugsplatStartupManager.userName =
+        [NSString stringWithCString:meta.agentFullname.c_str()
+                           encoding:NSUTF8StringEncoding];
+    // Use the email field for OS version, just as we do on Windows, until
+    // BugSplat provides more metadata fields.
+    infos("applicationLogForBugsplatStartupManager setting userEmail = '" +
+          meta.OSInfo + '"');
+    bugsplatStartupManager.userEmail =
+        [NSString stringWithCString:meta.OSInfo.c_str()
+                           encoding:NSUTF8StringEncoding];
+    // This strangely-named override method's return value contributes the
+    // User Description metadata field.
+    infos("applicationLogForBugsplatStartupManager -> '" + meta.fatalMessage + "'");
+    return [NSString stringWithCString:meta.fatalMessage.c_str()
+                              encoding:NSUTF8StringEncoding];
+}
+
+- (NSString *)applicationKeyForBugsplatStartupManager:(BugsplatStartupManager *)bugsplatStartupManager signal:(NSString *)signal exceptionName:(NSString *)exceptionName exceptionReason:(NSString *)exceptionReason {
+    // TODO: exceptionName, exceptionReason
+
+    // Windows sends location within region as well, but that's because
+    // BugSplat for Windows intercepts crashes during the same run, and that
+    // information can be queried once. On the Mac, any metadata we have is
+    // written (and rewritten) to the static_debug_info.log file that we read
+    // at the start of the next viewer run. It seems ridiculously expensive to
+    // rewrite that file on every frame in which the avatar moves.
+    std::string regionName(CrashMetadata_instance().regionName);
+    infos("applicationKeyForBugsplatStartupManager -> '" + regionName + "'");
+    return [NSString stringWithCString:regionName.c_str()
+                              encoding:NSUTF8StringEncoding];
+}
+
+- (NSString *)defaultUserNameForBugsplatStartupManager:(BugsplatStartupManager *)bugsplatStartupManager {
+    std::string agentFullname(CrashMetadata_instance().agentFullname);
+    infos("defaultUserNameForBugsplatStartupManager -> '" + agentFullname + "'");
+    return [NSString stringWithCString:agentFullname.c_str()
+                              encoding:NSUTF8StringEncoding];
+}
+
+- (NSString *)defaultUserEmailForBugsplatStartupManager:(BugsplatStartupManager *)bugsplatStartupManager {
+    // Use the email field for OS version, just as we do on Windows, until
+    // BugSplat provides more metadata fields.
+    std::string OSInfo(CrashMetadata_instance().OSInfo);
+    infos("defaultUserEmailForBugsplatStartupManager -> '" + OSInfo + "'");
+    return [NSString stringWithCString:OSInfo.c_str()
+                              encoding:NSUTF8StringEncoding];
+}
+
+- (void)bugsplatStartupManagerWillSendCrashReport:(BugsplatStartupManager *)bugsplatStartupManager
+{
+    infos("bugsplatStartupManagerWillSendCrashReport");
+}
+
+struct AttachmentInfo
+{
+    AttachmentInfo(const std::string& path, const std::string& type):
+        pathname(path),
+        basename(boost::filesystem::path(path).filename().string()),
+        mimetype(type)
+    {}
+
+    std::string pathname, basename, mimetype;
+};
+
+- (NSArray<BugsplatAttachment *> *)attachmentsForBugsplatStartupManager:(BugsplatStartupManager *)bugsplatStartupManager
+{
+    const CrashMetadata& metadata(CrashMetadata_instance());
+
+    // Since we must do very similar processing for each of several file
+    // pathnames, start by collecting them into a vector so we can iterate
+    // instead of spelling out the logic for each.
+    std::vector<AttachmentInfo> info{
+        AttachmentInfo(metadata.logFilePathname,      "text/plain"),
+        AttachmentInfo(metadata.userSettingsPathname, "text/xml"),
+        AttachmentInfo(metadata.staticDebugPathname,  "text/xml")
+    };
+
+    // We "happen to know" that info[0].basename is "SecondLife.old" -- due to
+    // the fact that BugsplatMac only notices a crash during the viewer run
+    // following the crash. Replace .old with .log to reduce confusion.
+    info[0].basename = 
+        boost::filesystem::path(info[0].pathname).stem().string() + ".log";
+
+    NSMutableArray *attachments = [[NSMutableArray alloc] init];
+
+    // Iterate over each AttachmentInfo in info vector
+    for (const AttachmentInfo& attach : info)
+    {
+        NSString *nspathname = [NSString stringWithCString:attach.pathname.c_str()
+                                                  encoding:NSUTF8StringEncoding];
+        NSString *nsbasename = [NSString stringWithCString:attach.basename.c_str()
+                                                  encoding:NSUTF8StringEncoding];
+        NSString *nsmimetype = [NSString stringWithCString:attach.mimetype.c_str()
+                                                  encoding:NSUTF8StringEncoding];
+        NSData *nsdata = [NSData dataWithContentsOfFile:nspathname];
+
+        BugsplatAttachment *attachment =
+            [[BugsplatAttachment alloc] initWithFilename:nsbasename
+                                          attachmentData:nsdata
+                                             contentType:nsmimetype];
+
+        [attachments addObject:attachment];
+        infos("attachmentsForBugsplatStartupManager attaching " + attach.pathname);
+    }
+
+    return attachments;
+}
+
+- (void)bugsplatStartupManagerDidFinishSendingCrashReport:(BugsplatStartupManager *)bugsplatStartupManager
+{
+    infos("Sent crash report to BugSplat");
+}
+
+- (void)bugsplatStartupManager:(BugsplatStartupManager *)bugsplatStartupManager didFailWithError:(NSError *)error
+{
+    // TODO: message string from NSError
+    infos("Could not send crash report to BugSplat");
+}
+
+#endif // LL_BUGSPLAT
+
 @end
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index bc4ce19f77..56e79bed74 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -707,6 +707,22 @@ LLAppViewer::LLAppViewer()
 	//
 
 	LLLoginInstance::instance().setPlatformInfo(gPlatform, LLOSInfo::instance().getOSVersionString(), LLOSInfo::instance().getOSStringSimple());
+
+	// Under some circumstances we want to read the static_debug_info.log file
+	// from the previous viewer run between this constructor call and the
+	// init() call, which will overwrite the static_debug_info.log file for
+	// THIS run. So setDebugFileNames() early.
+#if LL_BUGSPLAT
+	// MAINT-8917: don't create a dump directory just for the
+	// static_debug_info.log file
+	std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "");
+#else // ! LL_BUGSPLAT
+	// write Google Breakpad minidump files to a per-run dump directory to avoid multiple viewer issues.
+	std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_DUMP, "");
+#endif // ! LL_BUGSPLAT
+	mDumpPath = logdir;
+	setMiniDumpDir(logdir);
+	setDebugFileNames(logdir);
 }
 
 LLAppViewer::~LLAppViewer()
@@ -781,13 +797,6 @@ bool LLAppViewer::init()
 	initMaxHeapSize() ;
 	LLCoros::instance().setStackSize(gSavedSettings.getS32("CoroutineStackSize"));
 
-	// write Google Breakpad minidump files to a per-run dump directory to avoid multiple viewer issues.
-	std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_DUMP, "");
-	mDumpPath = logdir;
-	setMiniDumpDir(logdir);
-	logdir += gDirUtilp->getDirDelimiter();
-    setDebugFileNames(logdir);
-
 
 	// Although initLoggingAndGetLastDuration() is the right place to mess with
 	// setFatalFunction(), we can't query gSavedSettings until after
@@ -2182,6 +2191,12 @@ void errorCallback(const std::string &error_string)
 	//Set the ErrorActivated global so we know to create a marker file
 	gLLErrorActivated = true;
 
+	gDebugInfo["FatalMessage"] = error_string;
+	// We're not already crashing -- we simply *intend* to crash. Since we
+	// haven't actually trashed anything yet, we can afford to write the whole
+	// static info file.
+	LLAppViewer::instance()->writeDebugInfo();
+
 	LLError::crashAndLoop(error_string);
 }
 
@@ -3049,14 +3064,11 @@ void LLAppViewer::writeDebugInfo(bool isStatic)
         ? getStaticDebugFile()
         : getDynamicDebugFile() );
 
-	LL_INFOS() << "Opening debug file " << *debug_filename << LL_ENDL;
-	llofstream out_file(debug_filename->c_str());
+    LL_INFOS() << "Writing debug file " << *debug_filename << LL_ENDL;
+    llofstream out_file(debug_filename->c_str());
 
     isStatic ?  LLSDSerialize::toPrettyXML(gDebugInfo, out_file)
              :  LLSDSerialize::toPrettyXML(gDebugInfo["Dynamic"], out_file);
-
-
-	out_file.close();
 }
 
 LLSD LLAppViewer::getViewerInfo() const
diff --git a/indra/newview/llappviewermacosx-for-objc.h b/indra/newview/llappviewermacosx-for-objc.h
new file mode 100644
index 0000000000..37e8a3917a
--- /dev/null
+++ b/indra/newview/llappviewermacosx-for-objc.h
@@ -0,0 +1,53 @@
+/**
+ * @file   llappviewermacosx-for-objc.h
+ * @author Nat Goodspeed
+ * @date   2018-06-15
+ * @brief  llappviewermacosx.h publishes the C++ API for
+ *         llappviewermacosx.cpp, just as
+ *         llappviewermacosx-objc.h publishes the Objective-C++ API for
+ *         llappviewermacosx-objc.mm.
+ *
+ *         This header is intended to publish for Objective-C++ consumers a
+ *         subset of the C++ API presented by llappviewermacosx.cpp. It's a
+ *         subset because, if an Objective-C++ consumer were to #include
+ *         the full llappviewermacosx.h, we would almost surely run into
+ *         trouble due to the discrepancy between Objective-C++'s BOOL versus
+ *         classic Microsoft/Linden BOOL.
+ * 
+ * $LicenseInfo:firstyear=2018&license=viewerlgpl$
+ * Copyright (c) 2018, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+#if ! defined(LL_LLAPPVIEWERMACOSX_FOR_OBJC_H)
+#define LL_LLAPPVIEWERMACOSX_FOR_OBJC_H
+
+#include <string>
+
+void constructViewer();
+bool initViewer();
+void handleUrl(const char* url_utf8);
+bool pumpMainLoop();
+void handleQuit();
+void cleanupViewer();
+void infos(const std::string& message);
+
+// This struct is malleable; it only serves as a way to convey a number of
+// fields from llappviewermacosx.cpp's CrashMetadata_instance() function to the
+// consuming functions in llappdelegate-objc.mm. As long as both those sources
+// are compiled with this same header, the content and order of CrashMetadata
+// can change as needed.
+struct CrashMetadata
+{
+    std::string logFilePathname;
+    std::string userSettingsPathname;
+    std::string staticDebugPathname;
+    std::string OSInfo;
+    std::string agentFullname;
+    std::string regionName;
+    std::string fatalMessage;
+};
+
+CrashMetadata& CrashMetadata_instance();
+
+#endif /* ! defined(LL_LLAPPVIEWERMACOSX_FOR_OBJC_H) */
diff --git a/indra/newview/llappviewermacosx.cpp b/indra/newview/llappviewermacosx.cpp
index d472f8926b..81f04744f8 100644
--- a/indra/newview/llappviewermacosx.cpp
+++ b/indra/newview/llappviewermacosx.cpp
@@ -36,20 +36,25 @@
 #include "llappviewermacosx-objc.h"
 
 #include "llappviewermacosx.h"
+#include "llappviewermacosx-for-objc.h"
 #include "llwindowmacosx-objc.h"
 #include "llcommandlineparser.h"
+#include "llsdserialize.h"
 
 #include "llviewernetwork.h"
 #include "llviewercontrol.h"
 #include "llmd5.h"
 #include "llfloaterworldmap.h"
 #include "llurldispatcher.h"
+#include "llerrorcontrol.h"
+#include "llvoavatarself.h"         // for gAgentAvatarp->getFullname()
 #include <ApplicationServices/ApplicationServices.h>
 #ifdef LL_CARBON_CRASH_HANDLER
 #include <Carbon/Carbon.h>
 #endif
 #include <vector>
 #include <exception>
+#include <fstream>
 
 #include "lldir.h"
 #include <signal.h>
@@ -81,7 +86,7 @@ static void exceptionTerminateHandler()
 	gOldTerminateHandler(); // call old terminate() handler
 }
 
-bool initViewer()
+void constructViewer()
 {
 	// Set the working dir to <bundle>/Contents/Resources
 	if (chdir(gDirUtilp->getAppRODataDir().c_str()) == -1)
@@ -97,18 +102,20 @@ bool initViewer()
 	gOldTerminateHandler = std::set_terminate(exceptionTerminateHandler);
 
 	gViewerAppPtr->setErrorHandler(LLAppViewer::handleViewerCrash);
+}
 
-	
+bool initViewer()
+{
 	bool ok = gViewerAppPtr->init();
 	if(!ok)
 	{
 		LL_WARNS() << "Application init failed." << LL_ENDL;
 	}
-    else if (!gHandleSLURL.empty())
-    {
-        dispatchUrl(gHandleSLURL);
-        gHandleSLURL = "";
-    }
+	else if (!gHandleSLURL.empty())
+	{
+		dispatchUrl(gHandleSLURL);
+		gHandleSLURL = "";
+	}
 	return ok;
 }
 
@@ -147,6 +154,73 @@ void cleanupViewer()
 	gViewerAppPtr = NULL;
 }
 
+// The BugsplatMac API is structured as a number of different method
+// overrides, each returning a different piece of metadata. But since we
+// obtain such metadata by opening and parsing a file, it seems ridiculous to
+// reopen and reparse it for every individual string desired. What we want is
+// to open and parse the file once, retaining the data for subsequent
+// requests. That's why this is an LLSingleton.
+// Another approach would be to provide a function that simply returns
+// CrashMetadata, storing the struct in LLAppDelegate, but nat doesn't know
+// enough Objective-C++ to code that. We'd still have to detect which of the
+// method overrides is called first so that the results are order-insensitive.
+class CrashMetadataSingleton: public CrashMetadata, public LLSingleton<CrashMetadataSingleton>
+{
+    LLSINGLETON(CrashMetadataSingleton);
+
+    // convenience method to log each metadata field retrieved by constructor
+    std::string get_metadata(const LLSD& info, const LLSD::String& key) const
+    {
+        std::string data(info[key].asString());
+        LL_INFOS() << "  " << key << "='" << data << "'" << LL_ENDL;
+        return data;
+    }
+};
+
+// Populate the fields of our public base-class struct.
+CrashMetadataSingleton::CrashMetadataSingleton()
+{
+    // Note: we depend on being able to read the static_debug_info.log file
+    // from the *previous* run before we overwrite it with the new one for
+    // *this* run. LLAppViewer initialization must happen in the Right Order.
+    staticDebugPathname = *gViewerAppPtr->getStaticDebugFile();
+    std::ifstream static_file(staticDebugPathname);
+    LLSD info;
+    if (! static_file.is_open())
+    {
+        LL_INFOS() << "Can't open '" << staticDebugPathname
+                   << "'; no metadata about previous run" << LL_ENDL;
+    }
+    else if (! LLSDSerialize::deserialize(info, static_file, LLSDSerialize::SIZE_UNLIMITED))
+    {
+        LL_INFOS() << "Can't parse '" << staticDebugPathname
+                   << "'; no metadata about previous run" << LL_ENDL;
+    }
+    else
+    {
+        LL_INFOS() << "Metadata from '" << staticDebugPathname << "':" << LL_ENDL;
+        logFilePathname      = get_metadata(info, "SLLog");
+        userSettingsPathname = get_metadata(info, "SettingsFilename");
+        OSInfo               = get_metadata(info, "OSInfo");
+        agentFullname        = get_metadata(info, "LoginName");
+        // Translate underscores back to spaces
+        LLStringUtil::replaceChar(agentFullname, '_', ' ');
+        regionName           = get_metadata(info, "CurrentRegion");
+        fatalMessage         = get_metadata(info, "FatalMessage");
+    }
+}
+
+// Avoid having to compile all of our LLSingleton machinery in Objective-C++.
+CrashMetadata& CrashMetadata_instance()
+{
+    return CrashMetadataSingleton::instance();
+}
+
+void infos(const std::string& message)
+{
+    LL_INFOS() << message << LL_ENDL;
+}
+
 int main( int argc, char **argv ) 
 {
 	// Store off the command line args for use later.
diff --git a/indra/newview/llappviewerwin32.cpp b/indra/newview/llappviewerwin32.cpp
index f0a4a54fbf..0de942d507 100644
--- a/indra/newview/llappviewerwin32.cpp
+++ b/indra/newview/llappviewerwin32.cpp
@@ -66,8 +66,101 @@
 #endif
 
 #include "stringize.h"
+#include "lldir.h"
+#include "llerrorcontrol.h"
 
+#include <fstream>
 #include <exception>
+
+// Bugsplat (http://bugsplat.com) crash reporting tool
+#ifdef LL_BUGSPLAT
+#include "BugSplat.h"
+#include "reader.h"                 // JsonCpp
+#include "llagent.h"                // for agent location
+#include "llviewerregion.h"
+#include "llvoavatarself.h"         // for agent name
+
+namespace
+{
+    // MiniDmpSender's constructor is defined to accept __wchar_t* instead of
+    // plain wchar_t*. That said, wunder() returns std::basic_string<__wchar_t>,
+    // NOT plain __wchar_t*, despite the apparent convenience. Calling
+    // wunder(something).c_str() as an argument expression is fine: that
+    // std::basic_string instance will survive until the function returns.
+    // Calling c_str() on a std::basic_string local to wunder() would be
+    // Undefined Behavior: we'd be left with a pointer into a destroyed
+    // std::basic_string instance. But we can do that with a macro...
+    #define WCSTR(string) wunder(string).c_str()
+
+    // It would be nice if, when wchar_t is the same as __wchar_t, this whole
+    // function would optimize away. However, we use it only for the arguments
+    // to the BugSplat API -- a handful of calls.
+    inline std::basic_string<__wchar_t> wunder(const std::wstring& str)
+    {
+        return { str.begin(), str.end() };
+    }
+
+    // when what we have in hand is a std::string, convert from UTF-8 using
+    // specific wstringize() overload
+    inline std::basic_string<__wchar_t> wunder(const std::string& str)
+    {
+        return wunder(wstringize(str));
+    }
+
+    // Irritatingly, MiniDmpSender::setCallback() is defined to accept a
+    // classic-C function pointer instead of an arbitrary C++ callable. If it
+    // did accept a modern callable, we could pass a lambda that binds our
+    // MiniDmpSender pointer. As things stand, though, we must define an
+    // actual function and store the pointer statically.
+    static MiniDmpSender *sBugSplatSender = nullptr;
+
+    bool bugsplatSendLog(UINT nCode, LPVOID lpVal1, LPVOID lpVal2)
+    {
+        if (nCode == MDSCB_EXCEPTIONCODE)
+        {
+            // send the main viewer log file
+            // widen to wstring, convert to __wchar_t, then pass c_str()
+            sBugSplatSender->sendAdditionalFile(
+                WCSTR(gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "SecondLife.log")));
+
+            sBugSplatSender->sendAdditionalFile(
+                WCSTR(gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "settings.xml")));
+
+            sBugSplatSender->sendAdditionalFile(
+                WCSTR(*LLAppViewer::instance()->getStaticDebugFile()));
+
+            // We don't have an email address for any user. Hijack this
+            // metadata field for the platform identifier.
+            sBugSplatSender->setDefaultUserEmail(
+                WCSTR(STRINGIZE(LLOSInfo::instance().getOSStringSimple() << " ("
+                                << ADDRESS_SIZE << "-bit)")));
+
+            if (gAgentAvatarp)
+            {
+                // user name, when we have it
+                sBugSplatSender->setDefaultUserName(WCSTR(gAgentAvatarp->getFullname()));
+            }
+
+            // LL_ERRS message, when there is one
+            sBugSplatSender->setDefaultUserDescription(WCSTR(LLError::getFatalMessage()));
+
+            if (gAgent.getRegion())
+            {
+                // region location, when we have it
+                LLVector3 loc = gAgent.getPositionAgent();
+                sBugSplatSender->resetAppIdentifier(
+                    WCSTR(STRINGIZE(gAgent.getRegion()->getName()
+                                    << '/' << loc.mV[0]
+                                    << '/' << loc.mV[1]
+                                    << '/' << loc.mV[2])));
+            }
+        } // MDSCB_EXCEPTIONCODE
+
+        return false;
+    }
+}
+#endif // LL_BUGSPLAT
+
 namespace
 {
     void (*gOldTerminateHandler)() = NULL;
@@ -495,15 +588,69 @@ bool LLAppViewerWin32::init()
 	LLWinDebug::instance();
 #endif
 
-#if LL_WINDOWS
 #if LL_SEND_CRASH_REPORTS
-
+#if ! defined(LL_BUGSPLAT)
+#pragma message("Building without BugSplat")
 
 	LLAppViewer* pApp = LLAppViewer::instance();
 	pApp->initCrashReporting();
 
-#endif
-#endif
+#else // LL_BUGSPLAT
+#pragma message("Building with BugSplat")
+
+	std::string build_data_fname(
+		gDirUtilp->getExpandedFilename(LL_PATH_EXECUTABLE, "build_data.json"));
+	std::ifstream inf(build_data_fname.c_str());
+	if (! inf.is_open())
+	{
+		LL_WARNS() << "Can't initialize BugSplat, can't read '" << build_data_fname
+				   << "'" << LL_ENDL;
+	}
+	else
+	{
+		Json::Reader reader;
+		Json::Value build_data;
+		if (! reader.parse(inf, build_data, false)) // don't collect comments
+		{
+			// gah, the typo is baked into Json::Reader API
+			LL_WARNS() << "Can't initialize BugSplat, can't parse '" << build_data_fname
+					   << "': " << reader.getFormatedErrorMessages() << LL_ENDL;
+		}
+		else
+		{
+			Json::Value BugSplat_DB = build_data["BugSplat DB"];
+			if (! BugSplat_DB)
+			{
+				LL_WARNS() << "Can't initialize BugSplat, no 'BugSplat DB' entry in '"
+						   << build_data_fname << "'" << LL_ENDL;
+			}
+			else
+			{
+				// Got BugSplat_DB, onward!
+				std::wstring version_string(WSTRINGIZE(LL_VIEWER_VERSION_MAJOR << '.' <<
+													   LL_VIEWER_VERSION_MINOR << '.' <<
+													   LL_VIEWER_VERSION_PATCH << '.' <<
+													   LL_VIEWER_VERSION_BUILD));
+
+				// have to convert normal wide strings to strings of __wchar_t
+				sBugSplatSender = new MiniDmpSender(
+					WCSTR(BugSplat_DB.asString()),
+					WCSTR(LL_TO_WSTRING(LL_VIEWER_CHANNEL)),
+					WCSTR(version_string),
+					nullptr,              // szAppIdentifier -- set later
+					MDSF_NONINTERACTIVE | // automatically submit report without prompting
+					MDSF_PREVENTHIJACKING); // disallow swiping Exception filter
+				sBugSplatSender->setCallback(bugsplatSendLog);
+
+				// engage stringize() overload that converts from wstring
+				LL_INFOS() << "Engaged BugSplat(" << LL_TO_STRING(LL_VIEWER_CHANNEL)
+						   << ' ' << stringize(version_string) << ')' << LL_ENDL;
+			} // got BugSplat_DB
+		} // parsed build_data.json
+	} // opened build_data.json
+
+#endif // LL_BUGSPLAT
+#endif // LL_SEND_CRASH_REPORTS
 
 	bool success = LLAppViewer::init();
 
diff --git a/indra/newview/llversioninfo.cpp b/indra/newview/llversioninfo.cpp
index 375dce485d..4e07223784 100644
--- a/indra/newview/llversioninfo.cpp
+++ b/indra/newview/llversioninfo.cpp
@@ -101,14 +101,11 @@ namespace
 {
 	// LL_VIEWER_CHANNEL is a macro defined on the compiler command line. The
 	// macro expands to the string name of the channel, but without quotes. We
-	// need to turn it into a quoted string. This macro trick does that.
-#define stringize_inner(x) #x
-#define stringize_outer(x) stringize_inner(x)
-
+	// need to turn it into a quoted string. LL_TO_STRING() does that.
 	/// Storage of the channel name the viewer is using.
 	//  The channel name is set by hardcoded constant, 
 	//  or by calling LLVersionInfo::resetChannel()
-	std::string sWorkingChannelName(stringize_outer(LL_VIEWER_CHANNEL));
+	std::string sWorkingChannelName(LL_TO_STRING(LL_VIEWER_CHANNEL));
 
 	// Storage for the "version and channel" string.
 	// This will get reset too.
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index 4f0460da29..8b8ce3ca9e 100644
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -44,6 +44,7 @@
 
 #include "llagent.h"
 #include "llagentcamera.h"
+#include "llappviewer.h"
 #include "llavatarrenderinfoaccountant.h"
 #include "llcallingcard.h"
 #include "llcommandhandler.h"
@@ -104,6 +105,18 @@ typedef std::map<std::string, std::string> CapabilityMap;
 
 static void log_capabilities(const CapabilityMap &capmap);
 
+namespace
+{
+
+void newRegionEntry(LLViewerRegion& region)
+{
+    LL_INFOS("LLViewerRegion") << "Entering region [" << region.getName() << "]" << LL_ENDL;
+    gDebugInfo["CurrentRegion"] = region.getName();
+    LLAppViewer::instance()->writeDebugInfo();
+}
+
+} // anonymous namespace
+
 // support for secondlife:///app/region/{REGION} SLapps
 // N.B. this is defined to work exactly like the classic secondlife://{REGION}
 // However, the later syntax cannot support spaces in the region name because
@@ -249,6 +262,9 @@ void LLViewerRegionImpl::requestBaseCapabilitiesCoro(U64 regionHandle)
             return; // this error condition is not recoverable.
         }
 
+        // record that we just entered a new region
+        newRegionEntry(*regionp);
+
         // After a few attempts, continue login.  But keep trying to get the caps:
         if (mSeedCapAttempts >= mSeedCapMaxAttemptsBeforeLogin &&
             STATE_SEED_GRANTED_WAIT == LLStartUp::getStartupState())
@@ -369,6 +385,9 @@ void LLViewerRegionImpl::requestBaseCapabilitiesCompleteCoro(U64 regionHandle)
             break; // this error condition is not recoverable.
         }
 
+        // record that we just entered a new region
+        newRegionEntry(*regionp);
+
         LLSD capabilityNames = LLSD::emptyArray();
         buildCapabilityNames(capabilityNames);
 
diff --git a/indra/newview/tests/llversioninfo_test.cpp b/indra/newview/tests/llversioninfo_test.cpp
index 2f7a4e9601..58f0469552 100644
--- a/indra/newview/tests/llversioninfo_test.cpp
+++ b/indra/newview/tests/llversioninfo_test.cpp
@@ -33,10 +33,8 @@
 
 // LL_VIEWER_CHANNEL is a macro defined on the compiler command line. The
 // macro expands to the string name of the channel, but without quotes. We
-// need to turn it into a quoted string. This macro trick does that.
-#define stringize_inner(x) #x
-#define stringize_outer(x) stringize_inner(x)
-#define ll_viewer_channel stringize_outer(LL_VIEWER_CHANNEL)
+// need to turn it into a quoted string. LL_TO_STRING() does that.
+#define ll_viewer_channel LL_TO_STRING(LL_VIEWER_CHANNEL)
 
 namespace tut
 {