Merge lldb r188801 to contrib/llvm/tools/lldb/

1 files changed, 121 insertions, 0 deletions

diff --git a/contrib/llvm/tools/lldb/source/Interpreter/OptionGroupWatchpoint.cpp b/contrib/llvm/tools/lldb/source/Interpreter/OptionGroupWatchpoint.cpp
new file mode 100644
index 0000000..9eef37a
--- /dev/null
+++ b/contrib/llvm/tools/lldb/source/Interpreter/OptionGroupWatchpoint.cpp
@@ -0,0 +1,121 @@
+//===-- OptionGroupWatchpoint.cpp -------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Interpreter/OptionGroupWatchpoint.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/lldb-enumerations.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Utility/Utils.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+static OptionEnumValueElement g_watch_type[] =
+{
+    { OptionGroupWatchpoint::eWatchRead,      "read",       "Watch for read"},
+    { OptionGroupWatchpoint::eWatchWrite,     "write",      "Watch for write"},
+    { OptionGroupWatchpoint::eWatchReadWrite, "read_write", "Watch for read/write"},
+    { 0, NULL, NULL }
+};
+
+static OptionEnumValueElement g_watch_size[] =
+{
+    { 1, "1", "Watch for byte size of 1"},
+    { 2, "2", "Watch for byte size of 2"},
+    { 4, "4", "Watch for byte size of 4"},
+    { 8, "8", "Watch for byte size of 8"},
+    { 0, NULL, NULL }
+};
+
+static OptionDefinition
+g_option_table[] =
+{
+    { LLDB_OPT_SET_1, false, "watch", 'w', required_argument, g_watch_type, 0, eArgTypeWatchType, "Specify the type of watching to perform."},
+    { LLDB_OPT_SET_1, false, "xsize", 'x', required_argument, g_watch_size, 0, eArgTypeByteSize, "Number of bytes to use to watch a region."}
+};
+
+
+bool
+OptionGroupWatchpoint::IsWatchSizeSupported(uint32_t watch_size)
+{
+    for (uint32_t i = 0; i < llvm::array_lengthof(g_watch_size); ++i)
+    {
+        if (g_watch_size[i].value == 0)
+            break;
+        if (watch_size == g_watch_size[i].value)
+            return true;
+    }
+    return false;
+}
+
+OptionGroupWatchpoint::OptionGroupWatchpoint () :
+    OptionGroup()
+{
+}
+
+OptionGroupWatchpoint::~OptionGroupWatchpoint ()
+{
+}
+
+Error
+OptionGroupWatchpoint::SetOptionValue (CommandInterpreter &interpreter,
+                                       uint32_t option_idx, 
+                                       const char *option_arg)
+{
+    Error error;
+    const int short_option = g_option_table[option_idx].short_option;
+    switch (short_option)
+    {
+        case 'w':
+        {
+            WatchType tmp_watch_type;
+            tmp_watch_type = (WatchType) Args::StringToOptionEnum(option_arg, g_option_table[option_idx].enum_values, 0, error);
+            if (error.Success())
+            {
+                watch_type = tmp_watch_type;
+                watch_type_specified = true;
+            }
+            break;
+        }
+        case 'x':
+            watch_size = (uint32_t) Args::StringToOptionEnum(option_arg, g_option_table[option_idx].enum_values, 0, error);
+            break;
+
+        default:
+            error.SetErrorStringWithFormat("unrecognized short option '%c'", short_option);
+            break;
+    }
+    
+    return error;
+}
+
+void
+OptionGroupWatchpoint::OptionParsingStarting (CommandInterpreter &interpreter)
+{
+    watch_type_specified = false;
+    watch_type = eWatchInvalid;
+    watch_size = 0;
+}
+
+
+const OptionDefinition*
+OptionGroupWatchpoint::GetDefinitions ()
+{
+    return g_option_table;
+}
+
+uint32_t
+OptionGroupWatchpoint::GetNumDefinitions ()
+{
+    return llvm::array_lengthof(g_option_table);
+}