[lldb][NFC] Remove CompletionRequest::GetCursorArgument and GetRawLineUntilCursor

They both return the same result as another function (GetCursorArgumentPrefix
and GetRawLine). They were only added because the old API allowed to look
(in theory) behind the cursor position which is no longer possible.

llvm-svn: 372861

lldb/include/lldb/Utility/CompletionRequest.h

@@ -103,9 +103,6 @@ public:
                     CompletionResult &result);
 
   llvm::StringRef GetRawLine() const { return m_command; }
-  llvm::StringRef GetRawLineUntilCursor() const {
-    return m_command.substr(0, m_cursor_index);
-  }
 
   unsigned GetRawCursorPos() const { return m_raw_cursor_pos; }
 
@@ -192,12 +189,8 @@ public:
                     descriptions.GetStringAtIndex(i));
   }
 
-  llvm::StringRef GetCursorArgument() const {
-    return GetParsedLine().GetArgumentAtIndex(GetCursorIndex());
-  }
-
   llvm::StringRef GetCursorArgumentPrefix() const {
-    return GetCursorArgument().substr(0, m_cursor_char_position);
+    return GetParsedLine().GetArgumentAtIndex(GetCursorIndex());
   }
 
 private:

lldb/source/Expression/REPL.cpp

@@ -453,7 +453,7 @@ void REPL::IOHandlerComplete(IOHandler &io_handler,
   }
 
   // Strip spaces from the line and see if we had only spaces
-  if (request.GetRawLineUntilCursor().trim().empty()) {
+  if (request.GetRawLine().trim().empty()) {
     // Only spaces on this line, so just indent
     request.AddCompletion(m_indent_str);
     return;
@@ -479,7 +479,7 @@ void REPL::IOHandlerComplete(IOHandler &io_handler,
   }
 
   current_code.append("\n");
-  current_code += request.GetRawLineUntilCursor();
+  current_code += request.GetRawLine();
 
   StringList matches;
   int result = CompleteCode(current_code, matches);

lldb/source/Interpreter/Options.cpp

@@ -698,7 +698,7 @@ bool Options::HandleOptionCompletion(CompletionRequest &request,
           request.AddCompletion("--" + long_option.str(), opt.usage_text);
           return true;
         } else
-          request.AddCompletion(request.GetCursorArgument());
+          request.AddCompletion(request.GetCursorArgumentPrefix());
         return true;
       } else {
         // FIXME - not handling wrong options yet: