Windows: Add support for unicode command lines

[oota-llvm.git] / lib / Support / Process.cpp

diff --git a/lib/Support/Process.cpp b/lib/Support/Process.cpp
index 9d87b7744b8cebd92eb54cf41c3326c67e262ae2..d5168f03a6de0686c0b0692b7b84b34c8b01fdb3 100644 (file)
--- a/lib/Support/Process.cpp
+++ b/lib/Support/Process.cpp
@@ -12,8 +12,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Config/config.h"
-#include "llvm/Support/Process.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Process.h"
 
 using namespace llvm;
 using namespace sys;
@@ -50,18 +50,53 @@ self_process::~self_process() {
   llvm_unreachable("This destructor must never be executed!");
 }
 
+/// \brief A helper function to compute the elapsed wall-time since the program
+/// started.
+///
+/// Note that this routine actually computes the elapsed wall time since the
+/// first time it was called. However, we arrange to have it called during the
+/// startup of the process to get approximately correct results.
+static TimeValue getElapsedWallTime() {
+  static TimeValue &StartTime = *new TimeValue(TimeValue::now());
+  return TimeValue::now() - StartTime;
+}
+
+/// \brief A special global variable to ensure we call \c getElapsedWallTime
+/// during global initialization of the program.
+///
+/// Note that this variable is never referenced elsewhere. Doing so could
+/// create race conditions during program startup or shutdown.
+static volatile TimeValue DummyTimeValue = getElapsedWallTime();
+
+// Implement this routine by using the static helpers above. They're already
+// portable.
+TimeValue self_process::get_wall_time() const {
+  return getElapsedWallTime();
+}
+
+
 #if defined(_MSC_VER)
 #pragma warning(pop)
 #endif
 
 
-//===----------------------------------------------------------------------===//
-// Implementations of legacy functions in terms of the new self_process object.
+#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m"
 
-unsigned Process::GetPageSize() {
-  return process::get_self()->page_size();
-}
+#define ALLCOLORS(FGBG,BOLD) {\
+    COLOR(FGBG, "0", BOLD),\
+    COLOR(FGBG, "1", BOLD),\
+    COLOR(FGBG, "2", BOLD),\
+    COLOR(FGBG, "3", BOLD),\
+    COLOR(FGBG, "4", BOLD),\
+    COLOR(FGBG, "5", BOLD),\
+    COLOR(FGBG, "6", BOLD),\
+    COLOR(FGBG, "7", BOLD)\
+  }
 
+static const char colorcodes[2][2][8][10] = {
+ { ALLCOLORS("3",""), ALLCOLORS("3","1;") },
+ { ALLCOLORS("4",""), ALLCOLORS("4","1;") }
+};
 
 // Include the platform-specific parts of this class.
 #ifdef LLVM_ON_UNIX