Modified the ArchSpec to take an optional "Platform *" when setting the triple.
This allows you to have a platform selected, then specify a triple using
"i386" and have the remaining triple items (vendor, os, and environment) set
automatically.

Many interpreter commands take the "--arch" option to specify an architecture
triple, so now the command options needed to be able to get to the current
platform, so the Options class now take a reference to the interpreter on
construction.

Modified the build LLVM building in the Xcode project to use the new
Xcode project level user definitions:

LLVM_BUILD_DIR - a path to the llvm build directory
LLVM_SOURCE_DIR - a path to the llvm sources for the llvm that will be used to build lldb
LLVM_CONFIGURATION - the configuration that lldb is built for (Release, 
Release+Asserts, Debug, Debug+Asserts).

I also changed the LLVM build to not check if "lldb/llvm" is a symlink and
then assume it is a real llvm build directory versus the unzipped llvm.zip
package, so now you can actually have a "lldb/llvm" directory in your lldb
sources.




git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@129112 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectRegister.cpp b/source/Commands/CommandObjectRegister.cpp
index 55a4782..d50d7d7 100644
--- a/source/Commands/CommandObjectRegister.cpp
+++ b/source/Commands/CommandObjectRegister.cpp
@@ -19,6 +19,7 @@
 #include "lldb/Interpreter/Args.h"
 #include "lldb/Interpreter/CommandInterpreter.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Interpreter/Options.h"
 #include "lldb/Target/ExecutionContext.h"
 #include "lldb/Target/RegisterContext.h"
 
@@ -37,7 +38,8 @@
                        "Dump the contents of one or more register values from the current frame.  If no register is specified, dumps them all.",
                        //"register read [<reg-name1> [<reg-name2> [...]]]",
                        NULL,
-                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused)
+                       eFlagProcessMustBeLaunched | eFlagProcessMustBePaused),
+        m_options (interpreter)
     {
         CommandArgumentEntry arg;
         CommandArgumentData register_arg;
@@ -154,8 +156,8 @@
     class CommandOptions : public Options
     {
     public:
-        CommandOptions () :
-        Options()
+        CommandOptions (CommandInterpreter &interpreter) :
+            Options(interpreter)
         {
             ResetOptionValues();
         }