1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Interpreter/OptionGroupWatchpoint.cpp b/contrib/llvm-project/lldb/source/Interpreter/OptionGroupWatchpoint.cpp
new file mode 100644
index 000000000000..d1ae916cd74b
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Interpreter/OptionGroupWatchpoint.cpp
@@ -0,0 +1,113 @@
+//===-- OptionGroupWatchpoint.cpp -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Interpreter/OptionGroupWatchpoint.h"
+
+#include "lldb/Host/OptionParser.h"
+#include "lldb/Interpreter/OptionArgParser.h"
+#include "lldb/Target/Language.h"
+#include "lldb/lldb-enumerations.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+static constexpr OptionEnumValueElement g_watch_type[] = {
+    {
+        OptionGroupWatchpoint::eWatchRead,
+        "read",
+        "Watch for read",
+    },
+    {
+        OptionGroupWatchpoint::eWatchWrite,
+        "write",
+        "Watch for write",
+    },
+    {
+        OptionGroupWatchpoint::eWatchModify,
+        "modify",
+        "Watch for modifications",
+    },
+    {
+        OptionGroupWatchpoint::eWatchReadWrite,
+        "read_write",
+        "Watch for read/write",
+    },
+};
+
+static constexpr OptionDefinition g_option_table[] = {
+    {LLDB_OPT_SET_1, false, "watch", 'w', OptionParser::eRequiredArgument,
+     nullptr, OptionEnumValues(g_watch_type), 0, eArgTypeWatchType,
+     "Specify the type of watching to perform."},
+    {LLDB_OPT_SET_1, false, "size", 's', OptionParser::eRequiredArgument,
+     nullptr, {}, 0, eArgTypeByteSize, 
+     "Number of bytes to use to watch a region."},
+    {LLDB_OPT_SET_2,
+     false,
+     "language",
+     'l',
+     OptionParser::eRequiredArgument,
+     nullptr,
+     {},
+     0,
+     eArgTypeLanguage,
+     "Language of expression to run"}};
+
+Status
+OptionGroupWatchpoint::SetOptionValue(uint32_t option_idx,
+                                      llvm::StringRef option_arg,
+                                      ExecutionContext *execution_context) {
+  Status error;
+  const int short_option = g_option_table[option_idx].short_option;
+  switch (short_option) {
+  case 'l': {
+    language_type = Language::GetLanguageTypeFromString(option_arg);
+    if (language_type == eLanguageTypeUnknown) {
+      StreamString sstr;
+      sstr.Printf("Unknown language type: '%s' for expression. List of "
+                  "supported languages:\n",
+                  option_arg.str().c_str());
+      Language::PrintSupportedLanguagesForExpressions(sstr, " ", "\n");
+      error.SetErrorString(sstr.GetString());
+    }
+    break;
+  }
+  case 'w': {
+    WatchType tmp_watch_type;
+    tmp_watch_type = (WatchType)OptionArgParser::ToOptionEnum(
+        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 's':
+    error = watch_size.SetValueFromString(option_arg);
+    if (watch_size.GetCurrentValue() == 0)
+      error.SetErrorStringWithFormat("invalid --size option value '%s'",
+                                     option_arg.str().c_str());
+    break;
+
+  default:
+    llvm_unreachable("Unimplemented option");
+  }
+
+  return error;
+}
+
+void OptionGroupWatchpoint::OptionParsingStarting(
+    ExecutionContext *execution_context) {
+  watch_type_specified = false;
+  watch_type = eWatchInvalid;
+  watch_size.Clear();
+  language_type = eLanguageTypeUnknown;
+}
+
+llvm::ArrayRef<OptionDefinition> OptionGroupWatchpoint::GetDefinitions() {
+  return llvm::ArrayRef(g_option_table);
+}