Initial import of lldb

Change-Id: Ib244e837bee349effa12b2ff6ffffbe3d730e929
2014-09-29 14:52:42 +02:00
parent 35b65c5af1
commit 41f05bd8d7
3541 changed files with 875157 additions and 0 deletions
--- a/external/bsd/llvm/dist/lldb/source/Interpreter/OptionValueFileSpec.cpp
+++ b/external/bsd/llvm/dist/lldb/source/Interpreter/OptionValueFileSpec.cpp
@@ -0,0 +1,163 @@
+//===-- OptionValueFileSpec.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/lldb-python.h"
+
+#include "lldb/Interpreter/OptionValueFileSpec.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/State.h"
+#include "lldb/DataFormatters/FormatManager.h"
+#include "lldb/Interpreter/Args.h"
+#include "lldb/Interpreter/CommandCompletions.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+
+OptionValueFileSpec::OptionValueFileSpec () :
+    OptionValue(),
+    m_current_value (),
+    m_default_value (),
+    m_data_sp(),
+    m_completion_mask (CommandCompletions::eDiskFileCompletion)
+{
+}
+
+OptionValueFileSpec::OptionValueFileSpec (const FileSpec &value) :
+    OptionValue(),
+    m_current_value (value),
+    m_default_value (value),
+    m_data_sp(),
+    m_completion_mask (CommandCompletions::eDiskFileCompletion)
+{
+}
+
+OptionValueFileSpec::OptionValueFileSpec (const FileSpec &current_value,
+                                          const FileSpec &default_value) :
+    OptionValue(),
+    m_current_value (current_value),
+    m_default_value (default_value),
+    m_data_sp(),
+    m_completion_mask (CommandCompletions::eDiskFileCompletion)
+{
+}
+
+void
+OptionValueFileSpec::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
+{
+    if (dump_mask & eDumpOptionType)
+        strm.Printf ("(%s)", GetTypeAsCString ());
+    if (dump_mask & eDumpOptionValue)
+    {
+        if (dump_mask & eDumpOptionType)
+            strm.PutCString (" = ");
+
+        if (m_current_value)
+        {
+            strm << '"' << m_current_value.GetPath().c_str() << '"';
+        }
+    }
+}
+
+Error
+OptionValueFileSpec::SetValueFromCString (const char *value_cstr,
+                                          VarSetOperationType op)
+{
+    Error error;
+    switch (op)
+    {
+    case eVarSetOperationClear:
+        Clear ();
+        break;
+        
+    case eVarSetOperationReplace:
+    case eVarSetOperationAssign:
+        if (value_cstr && value_cstr[0])
+        {
+            // The setting value may have whitespace, double-quotes, or single-quotes around the file
+            // path to indicate that internal spaces are not word breaks.  Strip off any ws & quotes
+            // from the start and end of the file path - we aren't doing any word // breaking here so 
+            // the quoting is unnecessary.  NB this will cause a problem if someone tries to specify
+            // a file path that legitimately begins or ends with a " or ' character, or whitespace.
+            std::string filepath(value_cstr);
+            auto prefix_chars_to_trim = filepath.find_first_not_of ("\"' \t");
+            if (prefix_chars_to_trim != std::string::npos && prefix_chars_to_trim > 0)
+                filepath.erase(0, prefix_chars_to_trim);
+            auto suffix_chars_to_trim = filepath.find_last_not_of ("\"' \t");
+            if (suffix_chars_to_trim != std::string::npos && suffix_chars_to_trim < filepath.size())
+                filepath.erase (suffix_chars_to_trim + 1);
+
+            m_value_was_set = true;
+            m_current_value.SetFile(filepath.c_str(), true);
+        }
+        else
+        {
+            error.SetErrorString("invalid value string");
+        }
+        break;
+        
+    case eVarSetOperationInsertBefore:
+    case eVarSetOperationInsertAfter:
+    case eVarSetOperationRemove:
+    case eVarSetOperationAppend:
+    case eVarSetOperationInvalid:
+        error = OptionValue::SetValueFromCString (value_cstr, op);
+        break;
+    }
+    return error;
+}
+
+lldb::OptionValueSP
+OptionValueFileSpec::DeepCopy () const
+{
+    return OptionValueSP(new OptionValueFileSpec(*this));
+}
+
+
+size_t
+OptionValueFileSpec::AutoComplete (CommandInterpreter &interpreter,
+                                   const char *s,
+                                   int match_start_point,
+                                   int max_return_elements,
+                                   bool &word_complete,
+                                   StringList &matches)
+{
+    word_complete = false;
+    matches.Clear();
+    CommandCompletions::InvokeCommonCompletionCallbacks (interpreter,
+                                                         m_completion_mask,
+                                                         s,
+                                                         match_start_point,
+                                                         max_return_elements,
+                                                         NULL,
+                                                         word_complete,
+                                                         matches);
+    return matches.GetSize();
+}
+
+
+
+const lldb::DataBufferSP &
+OptionValueFileSpec::GetFileContents(bool null_terminate)
+{
+    if (!m_data_sp && m_current_value)
+    {
+        if (null_terminate)
+            m_data_sp = m_current_value.ReadFileContentsAsCString();
+        else
+            m_data_sp = m_current_value.ReadFileContents();
+    }
+    return m_data_sp;
+}
+
+