1 files changed, 170 insertions, 0 deletions
diff --git a/lldb/source/Interpreter/OptionValueFileSpecList.cpp b/lldb/source/Interpreter/OptionValueFileSpecList.cpp
new file mode 100644
index 000000000000..1a9d3c9ecb87
--- /dev/null
+++ b/lldb/source/Interpreter/OptionValueFileSpecList.cpp
@@ -0,0 +1,170 @@
+//===-- OptionValueFileSpecList.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/OptionValueFileSpecList.h"
+
+#include "lldb/Host/StringConvert.h"
+#include "lldb/Utility/Args.h"
+#include "lldb/Utility/Stream.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+void OptionValueFileSpecList::DumpValue(const ExecutionContext *exe_ctx,
+                                        Stream &strm, uint32_t dump_mask) {
+  std::lock_guard<std::recursive_mutex> lock(m_mutex);
+  if (dump_mask & eDumpOptionType)
+    strm.Printf("(%s)", GetTypeAsCString());
+  if (dump_mask & eDumpOptionValue) {
+    const bool one_line = dump_mask & eDumpOptionCommand;
+    const uint32_t size = m_current_value.GetSize();
+    if (dump_mask & eDumpOptionType)
+      strm.Printf(" =%s",
+                  (m_current_value.GetSize() > 0 && !one_line) ? "\n" : "");
+    if (!one_line)
+      strm.IndentMore();
+    for (uint32_t i = 0; i < size; ++i) {
+      if (!one_line) {
+        strm.Indent();
+        strm.Printf("[%u]: ", i);
+      }
+      m_current_value.GetFileSpecAtIndex(i).Dump(&strm);
+      if (one_line)
+        strm << ' ';
+    }
+    if (!one_line)
+      strm.IndentLess();
+  }
+}
+
+Status OptionValueFileSpecList::SetValueFromString(llvm::StringRef value,
+                                                   VarSetOperationType op) {
+  std::lock_guard<std::recursive_mutex> lock(m_mutex);
+  Status error;
+  Args args(value.str());
+  const size_t argc = args.GetArgumentCount();
+
+  switch (op) {
+  case eVarSetOperationClear:
+    Clear();
+    NotifyValueChanged();
+    break;
+
+  case eVarSetOperationReplace:
+    if (argc > 1) {
+      uint32_t idx =
+          StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
+      const uint32_t count = m_current_value.GetSize();
+      if (idx > count) {
+        error.SetErrorStringWithFormat(
+            "invalid file list index %u, index must be 0 through %u", idx,
+            count);
+      } else {
+        for (size_t i = 1; i < argc; ++i, ++idx) {
+          FileSpec file(args.GetArgumentAtIndex(i));
+          if (idx < count)
+            m_current_value.Replace(idx, file);
+          else
+            m_current_value.Append(file);
+        }
+        NotifyValueChanged();
+      }
+    } else {
+      error.SetErrorString("replace operation takes an array index followed by "
+                           "one or more values");
+    }
+    break;
+
+  case eVarSetOperationAssign:
+    m_current_value.Clear();
+    // Fall through to append case
+    LLVM_FALLTHROUGH;
+  case eVarSetOperationAppend:
+    if (argc > 0) {
+      m_value_was_set = true;
+      for (size_t i = 0; i < argc; ++i) {
+        FileSpec file(args.GetArgumentAtIndex(i));
+        m_current_value.Append(file);
+      }
+      NotifyValueChanged();
+    } else {
+      error.SetErrorString(
+          "assign operation takes at least one file path argument");
+    }
+    break;
+
+  case eVarSetOperationInsertBefore:
+  case eVarSetOperationInsertAfter:
+    if (argc > 1) {
+      uint32_t idx =
+          StringConvert::ToUInt32(args.GetArgumentAtIndex(0), UINT32_MAX);
+      const uint32_t count = m_current_value.GetSize();
+      if (idx > count) {
+        error.SetErrorStringWithFormat(
+            "invalid insert file list index %u, index must be 0 through %u",
+            idx, count);
+      } else {
+        if (op == eVarSetOperationInsertAfter)
+          ++idx;
+        for (size_t i = 1; i < argc; ++i, ++idx) {
+          FileSpec file(args.GetArgumentAtIndex(i));
+          m_current_value.Insert(idx, file);
+        }
+        NotifyValueChanged();
+      }
+    } else {
+      error.SetErrorString("insert operation takes an array index followed by "
+                           "one or more values");
+    }
+    break;
+
+  case eVarSetOperationRemove:
+    if (argc > 0) {
+      std::vector<int> remove_indexes;
+      bool all_indexes_valid = true;
+      size_t i;
+      for (i = 0; all_indexes_valid && i < argc; ++i) {
+        const int idx =
+            StringConvert::ToSInt32(args.GetArgumentAtIndex(i), INT32_MAX);
+        if (idx == INT32_MAX)
+          all_indexes_valid = false;
+        else
+          remove_indexes.push_back(idx);
+      }
+
+      if (all_indexes_valid) {
+        size_t num_remove_indexes = remove_indexes.size();
+        if (num_remove_indexes) {
+          // Sort and then erase in reverse so indexes are always valid
+          llvm::sort(remove_indexes.begin(), remove_indexes.end());
+          for (size_t j = num_remove_indexes - 1; j < num_remove_indexes; ++j) {
+            m_current_value.Remove(j);
+          }
+        }
+        NotifyValueChanged();
+      } else {
+        error.SetErrorStringWithFormat(
+            "invalid array index '%s', aborting remove operation",
+            args.GetArgumentAtIndex(i));
+      }
+    } else {
+      error.SetErrorString("remove operation takes one or more array index");
+    }
+    break;
+
+  case eVarSetOperationInvalid:
+    error = OptionValue::SetValueFromString(value, op);
+    break;
+  }
+  return error;
+}
+
+lldb::OptionValueSP OptionValueFileSpecList::DeepCopy() const {
+  std::lock_guard<std::recursive_mutex> lock(m_mutex);
+  return OptionValueSP(new OptionValueFileSpecList(m_current_value));
+}