1 files changed, 141 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Interpreter/OptionGroupVariable.cpp b/contrib/llvm-project/lldb/source/Interpreter/OptionGroupVariable.cpp
new file mode 100644
index 000000000000..99644b3f423c
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Interpreter/OptionGroupVariable.cpp
@@ -0,0 +1,141 @@
+//===-- OptionGroupVariable.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/OptionGroupVariable.h"
+
+#include "lldb/DataFormatters/DataVisualization.h"
+#include "lldb/Host/OptionParser.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Utility/Status.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+// if you add any options here, remember to update the counters in
+// OptionGroupVariable::GetNumDefinitions()
+static constexpr OptionDefinition g_variable_options[] = {
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-args", 'a',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
+     "Omit function arguments."},
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-recognized-args", 't',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
+     "Omit recognized function arguments."},
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-locals", 'l',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
+     "Omit local variables."},
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "show-globals", 'g',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
+     "Show the current frame source file global and static variables."},
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "show-declaration", 'c',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
+     "Show variable declaration information (source file and line where the "
+     "variable was declared)."},
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "regex", 'r',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeRegularExpression,
+     "The <variable-name> argument for name lookups are regular expressions."},
+    {LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "scope", 's',
+     OptionParser::eNoArgument, nullptr, {}, 0, eArgTypeNone,
+     "Show variable scope (argument, local, global, static)."},
+    {LLDB_OPT_SET_1, false, "summary", 'y', OptionParser::eRequiredArgument,
+     nullptr, {}, 0, eArgTypeName,
+     "Specify the summary that the variable output should use."},
+    {LLDB_OPT_SET_2, false, "summary-string", 'z',
+     OptionParser::eRequiredArgument, nullptr, {}, 0, eArgTypeName,
+     "Specify a summary string to use to format the variable output."},
+};
+
+static constexpr auto g_num_frame_options = 4;
+static const auto g_variable_options_noframe =
+    llvm::ArrayRef<OptionDefinition>(g_variable_options)
+        .drop_front(g_num_frame_options);
+
+static Status ValidateNamedSummary(const char *str, void *) {
+  if (!str || !str[0])
+    return Status("must specify a valid named summary");
+  TypeSummaryImplSP summary_sp;
+  if (!DataVisualization::NamedSummaryFormats::GetSummaryFormat(
+          ConstString(str), summary_sp))
+    return Status("must specify a valid named summary");
+  return Status();
+}
+
+static Status ValidateSummaryString(const char *str, void *) {
+  if (!str || !str[0])
+    return Status("must specify a non-empty summary string");
+  return Status();
+}
+
+OptionGroupVariable::OptionGroupVariable(bool show_frame_options)
+    : include_frame_options(show_frame_options), show_args(false),
+      show_recognized_args(false), show_locals(false), show_globals(false),
+      use_regex(false), show_scope(false), show_decl(false),
+      summary(ValidateNamedSummary), summary_string(ValidateSummaryString) {}
+
+Status
+OptionGroupVariable::SetOptionValue(uint32_t option_idx,
+                                    llvm::StringRef option_arg,
+                                    ExecutionContext *execution_context) {
+  Status error;
+  llvm::ArrayRef<OptionDefinition> variable_options =
+      include_frame_options ? g_variable_options : g_variable_options_noframe;
+  const int short_option = variable_options[option_idx].short_option;
+  switch (short_option) {
+  case 'r':
+    use_regex = true;
+    break;
+  case 'a':
+    show_args = false;
+    break;
+  case 'l':
+    show_locals = false;
+    break;
+  case 'g':
+    show_globals = true;
+    break;
+  case 'c':
+    show_decl = true;
+    break;
+  case 's':
+    show_scope = true;
+    break;
+  case 't':
+    show_recognized_args = false;
+    break;
+  case 'y':
+    error = summary.SetCurrentValue(option_arg);
+    break;
+  case 'z':
+    error = summary_string.SetCurrentValue(option_arg);
+    break;
+  default:
+    llvm_unreachable("Unimplemented option");
+  }
+
+  return error;
+}
+
+void OptionGroupVariable::OptionParsingStarting(
+    ExecutionContext *execution_context) {
+  show_args = true;     // Frame option only
+  show_recognized_args = true; // Frame option only
+  show_locals = true;   // Frame option only
+  show_globals = false; // Frame option only
+  show_decl = false;
+  use_regex = false;
+  show_scope = false;
+  summary.Clear();
+  summary_string.Clear();
+}
+
+llvm::ArrayRef<OptionDefinition> OptionGroupVariable::GetDefinitions() {
+  // Show the "--no-args", "--no-recognized-args", "--no-locals" and
+  // "--show-globals" options if we are showing frame specific options
+  return include_frame_options ? g_variable_options
+                               : g_variable_options_noframe;
+}