rdar://problem/11535045
Make 'help arch' return the list of supported architectures.
Add a convenience method StringList::Join(const char *separator) which is called from the help function for 'arch'.
Also add a simple test case.
git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@157507 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Interpreter/CommandObject.cpp b/source/Interpreter/CommandObject.cpp
index a087eca..c86bb5e 100644
--- a/source/Interpreter/CommandObject.cpp
+++ b/source/Interpreter/CommandObject.cpp
@@ -17,6 +17,7 @@
#include <ctype.h>
#include "lldb/Core/Address.h"
+#include "lldb/Core/ArchSpec.h"
#include "lldb/Interpreter/Options.h"
// These are for the Sourcename completers.
@@ -845,13 +846,24 @@
return NULL;
}
+static
+const char *arch_helper()
+{
+ StringList archs;
+ ArchSpec::AutoComplete(NULL, archs);
+ StreamString ss;
+ ss.Printf("These are the supported architecture names:\n");
+ ss.Printf("%s\n", archs.Join("\n"));
+ return ss.GetData();
+}
+
CommandObject::ArgumentTableEntry
CommandObject::g_arguments_data[] =
{
{ eArgTypeAddress, "address", CommandCompletions::eNoCompletion, { NULL, false }, "A valid address in the target program's execution space." },
{ eArgTypeAliasName, "alias-name", CommandCompletions::eNoCompletion, { NULL, false }, "The name of an abbreviation (alias) for a debugger command." },
{ eArgTypeAliasOptions, "options-for-aliased-command", CommandCompletions::eNoCompletion, { NULL, false }, "Command options to be used as part of an alias (abbreviation) definition. (See 'help commands alias' for more information.)" },
- { eArgTypeArchitecture, "arch", CommandCompletions::eArchitectureCompletion, { NULL, false }, "The architecture name, e.g. i386 or x86_64." },
+ { eArgTypeArchitecture, "arch", CommandCompletions::eArchitectureCompletion, { arch_helper, true }, "The architecture name, e.g. i386 or x86_64." },
{ eArgTypeBoolean, "boolean", CommandCompletions::eNoCompletion, { NULL, false }, "A Boolean value: 'true' or 'false'" },
{ eArgTypeBreakpointID, "breakpt-id", CommandCompletions::eNoCompletion, { BreakpointIDHelpTextCallback, false }, NULL },
{ eArgTypeBreakpointIDRange, "breakpt-id-list", CommandCompletions::eNoCompletion, { BreakpointIDRangeHelpTextCallback, false }, NULL },