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

1 files changed, 186 insertions, 0 deletions

diff --git a/contrib/llvm/tools/lldb/source/Interpreter/OptionValueString.cpp b/contrib/llvm/tools/lldb/source/Interpreter/OptionValueString.cpp
new file mode 100644
index 0000000..df047bd
--- /dev/null
+++ b/contrib/llvm/tools/lldb/source/Interpreter/OptionValueString.cpp
@@ -0,0 +1,186 @@
+//===-- OptionValueString.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/OptionValueString.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/Stream.h"
+#include "lldb/Interpreter/Args.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+void
+OptionValueString::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.empty() || m_value_was_set)
+        {
+            if (m_options.Test (eOptionEncodeCharacterEscapeSequences))
+            {
+                std::string expanded_escape_value;
+                Args::ExpandEscapedCharacters(m_current_value.c_str(), expanded_escape_value);
+                if (dump_mask & eDumpOptionRaw)
+                    strm.Printf ("%s", expanded_escape_value.c_str());
+                else
+                    strm.Printf ("\"%s\"", expanded_escape_value.c_str());                
+            }
+            else
+            {
+                if (dump_mask & eDumpOptionRaw)
+                    strm.Printf ("%s", m_current_value.c_str());
+                else
+                    strm.Printf ("\"%s\"", m_current_value.c_str());
+            }
+        }
+    }
+}
+
+Error
+OptionValueString::SetValueFromCString (const char *value_cstr,
+                                        VarSetOperationType op)
+{
+    Error error;
+
+    std::string value_str_no_quotes;
+    if (value_cstr)
+    {
+        switch (value_cstr[0])
+        {
+        case '"':
+        case '\'':
+            {
+                size_t len = strlen(value_cstr);
+                if (len <= 1 || value_cstr[len-1] != value_cstr[0])
+                {
+                    error.SetErrorString("mismatched quotes");
+                    return error;
+                }
+                value_str_no_quotes.assign (value_cstr + 1, len - 2);
+                value_cstr = value_str_no_quotes.c_str();
+            }
+            break;
+        }
+    }
+
+    switch (op)
+    {
+    case eVarSetOperationInvalid:
+    case eVarSetOperationInsertBefore:
+    case eVarSetOperationInsertAfter:
+    case eVarSetOperationRemove:
+        if (m_validator)
+        {
+            error = m_validator(value_cstr,m_validator_baton);
+            if (error.Fail())
+                return error;
+        }
+        error = OptionValue::SetValueFromCString (value_cstr, op);
+        break;
+
+    case eVarSetOperationAppend:
+        {
+        std::string new_value(m_current_value);
+        if (value_cstr && value_cstr[0])
+        {
+            if (m_options.Test (eOptionEncodeCharacterEscapeSequences))
+            {
+                std::string str;
+                Args::EncodeEscapeSequences (value_cstr, str);
+                new_value.append(str);
+            }
+            else
+                new_value.append(value_cstr);
+        }
+        if (m_validator)
+        {
+            error = m_validator(new_value.c_str(),m_validator_baton);
+            if (error.Fail())
+                return error;
+        }
+        m_current_value.assign(new_value);
+        }
+        break;
+
+    case eVarSetOperationClear:
+        Clear ();
+        break;
+
+    case eVarSetOperationReplace:
+    case eVarSetOperationAssign:
+        if (m_validator)
+        {
+            error = m_validator(value_cstr,m_validator_baton);
+            if (error.Fail())
+                return error;
+        }
+        m_value_was_set = true;
+        if (m_options.Test (eOptionEncodeCharacterEscapeSequences))
+        {
+            Args::EncodeEscapeSequences (value_cstr, m_current_value);
+        }
+        else
+        {
+            SetCurrentValue (value_cstr);
+        }
+        break;
+    }
+    return error;
+}
+
+
+lldb::OptionValueSP
+OptionValueString::DeepCopy () const
+{
+    return OptionValueSP(new OptionValueString(*this));
+}
+
+Error
+OptionValueString::SetCurrentValue (const char *value)
+{
+    if (m_validator)
+    {
+        Error error(m_validator(value,m_validator_baton));
+        if (error.Fail())
+            return error;
+    }
+    if (value && value[0])
+        m_current_value.assign (value);
+    else
+        m_current_value.clear();
+    return Error();
+}
+
+Error
+OptionValueString::AppendToCurrentValue (const char *value)
+{
+    if (value && value[0])
+    {
+        if (m_validator)
+        {
+            std::string new_value(m_current_value);
+            new_value.append(value);
+            Error error(m_validator(value,m_validator_baton));
+            if (error.Fail())
+                return error;
+            m_current_value.assign(new_value);
+        }
+        else
+            m_current_value.append (value);
+    }
+    return Error();
+}