Revert "Windows: Add support for unicode command lines"

[oota-llvm.git] / lib / Support / Windows / Signals.inc

diff --git a/lib/Support/Windows/Signals.inc b/lib/Support/Windows/Signals.inc
index 473168edfcf6f5ea4d7fa06988af09c4fb2c65f7..bce83b9686849f6523d1f1eae8e7b7009edd1a40 100644 (file)
--- a/lib/Support/Windows/Signals.inc
+++ b/lib/Support/Windows/Signals.inc
@@ -11,10 +11,12 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/Support/FileSystem.h"
+
 #include "Windows.h"
+#include <algorithm>
 #include <stdio.h>
 #include <vector>
-#include <algorithm>
 
 #ifdef __MINGW32__
  #include <imagehlp.h>
@@ -41,10 +43,11 @@
  #pragma GCC diagnostic ignored "-Wformat"
  #pragma GCC diagnostic ignored "-Wformat-extra-args"
 
- // MinGW does not have updated support for the 64-bit versions of the DebugHlp
- // APIs. So we will have to load them manually. The structures and method
- // signatures were pulled from DbgHelp.h in the Windows Platform SDK, and
- // adjusted for brevity.
+ #if !defined(__MINGW64_VERSION_MAJOR)
+ // MinGW.org does not have updated support for the 64-bit versions of the
+ // DebugHlp APIs. So we will have to load them manually. The structures and
+ // method signatures were pulled from DbgHelp.h in the Windows Platform SDK,
+ // and adjusted for brevity.
  typedef struct _IMAGEHLP_LINE64 {
    DWORD    SizeOfStruct;
    PVOID    Key;
@@ -147,6 +150,7 @@ static bool load64BitDebugHelp(void) {
   }
   return StackWalk64 != NULL;
 }
+ #endif // !defined(__MINGW64_VERSION_MAJOR)
 #endif // __MINGW32__
 
 // Forward declare.
@@ -156,7 +160,7 @@ static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType);
 // InterruptFunction - The function to call if ctrl-c is pressed.
 static void (*InterruptFunction)() = 0;
 
-static std::vector<llvm::sys::Path> *FilesToRemove = NULL;
+static std::vector<std::string> *FilesToRemove = NULL;
 static std::vector<std::pair<void(*)(void*), void*> > *CallBacksToRun = 0;
 static bool RegisteredUnhandledExceptionFilter = false;
 static bool CleanupExecuted = false;
@@ -176,39 +180,24 @@ namespace llvm {
 //===----------------------------------------------------------------------===//
 
 #ifdef _MSC_VER
-/// CRTReportHook - Function called on a CRT debugging event.
-static int CRTReportHook(int ReportType, char *Message, int *Return) {
-  // Don't cause a DebugBreak() on return.
+/// AvoidMessageBoxHook - Emulates hitting "retry" from an "abort, retry,
+/// ignore" CRT debug report dialog.  "retry" raises an exception which
+/// ultimately triggers our stack dumper.
+static int AvoidMessageBoxHook(int ReportType, char *Message, int *Return) {
+  // Set *Return to the retry code for the return value of _CrtDbgReport:
+  // http://msdn.microsoft.com/en-us/library/8hyw4sy7(v=vs.71).aspx
+  // This may also trigger just-in-time debugging via DebugBreak().
   if (Return)
-    *Return = 0;
-
-  switch (ReportType) {
-  default:
-  case _CRT_ASSERT:
-    fprintf(stderr, "CRT assert: %s\n", Message);
-    // FIXME: Is there a way to just crash? Perhaps throw to the unhandled
-    // exception code? Perhaps SetErrorMode() handles this.
-    _exit(3);
-    break;
-  case _CRT_ERROR:
-    fprintf(stderr, "CRT error: %s\n", Message);
-    // FIXME: Is there a way to just crash? Perhaps throw to the unhandled
-    // exception code? Perhaps SetErrorMode() handles this.
-    _exit(3);
-    break;
-  case _CRT_WARN:
-    fprintf(stderr, "CRT warn: %s\n", Message);
-    break;
-  }
-
+    *Return = 1;
   // Don't call _CrtDbgReport.
   return TRUE;
 }
+
 #endif
 
 static void RegisterHandler() {
-#if __MINGW32__
-  // On MinGW, we need to load up the symbols explicitly, because the
+#if __MINGW32__ && !defined(__MINGW64_VERSION_MAJOR)
+  // On MinGW.org, we need to load up the symbols explicitly, because the
   // Win32 framework they include does not have support for the 64-bit
   // versions of the APIs we need.  If we cannot load up the APIs (which
   // would be unexpected as they should exist on every version of Windows
@@ -237,9 +226,9 @@ static void RegisterHandler() {
   SetConsoleCtrlHandler(LLVMConsoleCtrlHandler, TRUE);
 
   // Environment variable to disable any kind of crash dialog.
-  if (getenv("LLVM_DISABLE_CRT_DEBUG")) {
+  if (getenv("LLVM_DISABLE_CRASH_REPORT")) {
 #ifdef _MSC_VER
-    _CrtSetReportHook(CRTReportHook);
+    _CrtSetReportHook(AvoidMessageBoxHook);
 #endif
     SetErrorMode(SEM_FAILCRITICALERRORS |
                  SEM_NOGPFAULTERRORBOX |
@@ -252,7 +241,7 @@ static void RegisterHandler() {
 }
 
 // RemoveFileOnSignal - The public API
-bool sys::RemoveFileOnSignal(const sys::Path &Filename, std::string* ErrMsg) {
+bool sys::RemoveFileOnSignal(StringRef Filename, std::string* ErrMsg) {
   RegisterHandler();
 
   if (CleanupExecuted) {
@@ -262,7 +251,7 @@ bool sys::RemoveFileOnSignal(const sys::Path &Filename, std::string* ErrMsg) {
   }
 
   if (FilesToRemove == NULL)
-    FilesToRemove = new std::vector<sys::Path>;
+    FilesToRemove = new std::vector<std::string>;
 
   FilesToRemove->push_back(Filename);
 
@@ -271,14 +260,14 @@ bool sys::RemoveFileOnSignal(const sys::Path &Filename, std::string* ErrMsg) {
 }
 
 // DontRemoveFileOnSignal - The public API
-void sys::DontRemoveFileOnSignal(const sys::Path &Filename) {
+void sys::DontRemoveFileOnSignal(StringRef Filename) {
   if (FilesToRemove == NULL)
     return;
 
   RegisterHandler();
 
   FilesToRemove->push_back(Filename);
-  std::vector<sys::Path>::reverse_iterator I =
+  std::vector<std::string>::reverse_iterator I =
   std::find(FilesToRemove->rbegin(), FilesToRemove->rend(), Filename);
   if (I != FilesToRemove->rend())
     FilesToRemove->erase(I.base()-1);
@@ -293,6 +282,10 @@ void sys::PrintStackTraceOnErrorSignal() {
   LeaveCriticalSection(&CriticalSection);
 }
 
+void llvm::sys::PrintStackTrace(FILE *) {
+  // FIXME: Implement.
+}
+
 
 void sys::SetInterruptFunction(void (*IF)()) {
   RegisterHandler();
@@ -324,7 +317,8 @@ static void Cleanup() {
 
   if (FilesToRemove != NULL)
     while (!FilesToRemove->empty()) {
-      FilesToRemove->back().eraseFromDisk();
+      bool Existed;
+      llvm::sys::fs::remove(FilesToRemove->back(), Existed);
       FilesToRemove->pop_back();
     }
 
@@ -444,7 +438,7 @@ static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep) {
   }
 
   if (ExitOnUnhandledExceptions)
-    _exit(-3);
+    _exit(ep->ExceptionRecord->ExceptionCode);
 
   // Allow dialog box to pop up allowing choice to start debugger.
   if (OldFilter)