Convert for loops to entry-based iteration

[shivammittal99]

Summary

Convert index-based loops marked TODO in CommandObjectSettings and CommandObjectTarget to entry-based.

[shivammittal99]

Run clang-format

[shivammittal99]

Can you please commit this for me? I do not have commit access.

lldb/source/Commands/CommandObjectSettings.cpp

protected:
   bool DoExecute(Args &args, CommandReturnObject &result) override {
     result.SetStatus(eReturnStatusSuccessFinishResult);
 
     const bool will_modify = false;
     const size_t argc = args.GetArgumentCount();
     if (argc > 0) {
       const bool dump_qualified_name = true;
 
-      // TODO: Convert to StringRef based enumeration.  Requires converting
-      // GetPropertyAtPath first.
-      for (size_t i = 0; i < argc; ++i) {
-        const char *property_path = args.GetArgumentAtIndex(i);
+      for (const Args::ArgEntry &arg : args) {
+        const char *property_path = arg.c_str();
 
         const Property *property =
             GetDebugger().GetValueProperties()->GetPropertyAtPath(
                 &m_exe_ctx, will_modify, property_path);
 
         if (property) {
           property->DumpDescription(m_interpreter, result.GetOutputStream(), 0,
                                     dump_qualified_name);

lldb/source/Commands/CommandObjectTarget.cpp

protected:
   }
 
   bool DoExecute(Args &args, CommandReturnObject &result) override {
     Target *target = m_exe_ctx.GetTargetPtr();
     const size_t argc = args.GetArgumentCount();
     Stream &s = result.GetOutputStream();
 
     if (argc > 0) {
-
-      // TODO: Convert to entry-based iteration.  Requires converting
-      // DumpValueObject.
-      for (size_t idx = 0; idx < argc; ++idx) {
+      for (const Args::ArgEntry &arg : args) {
         VariableList variable_list;
         ValueObjectList valobj_list;
 
-        const char *arg = args.GetArgumentAtIndex(idx);
         size_t matches = 0;
         bool use_var_name = false;
         if (m_option_variable.use_regex) {
-          RegularExpression regex(llvm::StringRef::withNullAsEmpty(arg));
+          RegularExpression regex(
+              llvm::StringRef::withNullAsEmpty(arg.c_str()));
           if (!regex.IsValid()) {
             result.GetErrorStream().Printf(
-                "error: invalid regular expression: '%s'\n", arg);
+                "error: invalid regular expression: '%s'\n", arg.c_str());
             result.SetStatus(eReturnStatusFailed);
             return false;
           }
           use_var_name = true;
           target->GetImages().FindGlobalVariables(regex, UINT32_MAX,
                                                   variable_list);
           matches = variable_list.GetSize();
         } else {
           Status error(Variable::GetValuesForVariableExpressionPath(
-              arg, m_exe_ctx.GetBestExecutionContextScope(),
+              arg.c_str(), m_exe_ctx.GetBestExecutionContextScope(),
               GetVariableCallback, target, variable_list, valobj_list));
           matches = variable_list.GetSize();
         }
 
         if (matches == 0) {
           result.GetErrorStream().Printf(
-              "error: can't find global variable '%s'\n", arg);
+              "error: can't find global variable '%s'\n", arg.c_str());
           result.SetStatus(eReturnStatusFailed);
           return false;
         } else {
           for (uint32_t global_idx = 0; global_idx < matches; ++global_idx) {
             VariableSP var_sp(variable_list.GetVariableAtIndex(global_idx));
             if (var_sp) {
               ValueObjectSP valobj_sp(
                   valobj_list.GetValueObjectAtIndex(global_idx));
               if (!valobj_sp)
                 valobj_sp = ValueObjectVariable::Create(
                     m_exe_ctx.GetBestExecutionContextScope(), var_sp);
 
               if (valobj_sp)
                 DumpValueObject(s, var_sp, valobj_sp,
                                 use_var_name ? var_sp->GetName().GetCString()
-                                             : arg);
+                                             : arg.c_str());
             }
           }
         }
       }
     } else {
       const FileSpecList &compile_units =
           m_option_compile_units.GetOptionValue().GetCurrentValue();
       const FileSpecList &shlibs =
if (target == nullptr && !use_global_module_list) {
       if (argc == 0) {
         if (use_global_module_list) {
           guard.lock();
           num_modules = Module::GetNumberAllocatedModules();
         } else {
           module_list_ptr = &target->GetImages();
         }
       } else {
-        // TODO: Convert to entry based iteration.  Requires converting
-        // FindModulesByName.
-        for (size_t i = 0; i < argc; ++i) {
+        for (const Args::ArgEntry &arg : command) {
           // Dump specified images (by basename or fullpath)
-          const char *arg_cstr = command.GetArgumentAtIndex(i);
           const size_t num_matches = FindModulesByName(
-              target, arg_cstr, module_list, use_global_module_list);
+              target, arg.c_str(), module_list, use_global_module_list);
           if (num_matches == 0) {
             if (argc == 1) {
               result.AppendErrorWithFormat("no modules found that match '%s'",
-                                           arg_cstr);
+                                           arg.c_str());
               result.SetStatus(eReturnStatusFailed);
               return false;
             }
           }
         }
 
         module_list_ptr = &module_list;
       }