preliminary work to pass in backend arguments.

src/grcli/cmd_bench.C

@@ -18,6 +18,7 @@
 #endif
 
 #include "args/CliParser.h"
+#include "args/EscapedArgsConfig.h"
 #include "cmd_bench.h"
 #include "executor.h"
 #include "grid_problem.h"
@@ -31,6 +32,9 @@
   std::optional<CliParamSpec> gr_param_spec;
   scenario::CliGridSpec grid_spec;
   std::optional<OperationSpec> op_spec;
+  args::EscapedArgsConfig backend_arg_spec(true,
+                                           "--backend-start",
+                                           "--backend-stop");
 
   const char* ptr;
   while ((ptr = parser.next()) != nullptr) {
@@ -42,6 +46,8 @@
       continue;
     } else if (try_parse_op_spec(ptr, op_spec)) {
       continue;
+    } else if (backend_arg_spec.try_parse(ptr, parser)) {
+      continue;
     }
     err_unrecognized_arg(ptr);
   }
@@ -82,10 +88,10 @@
     auto my_test = [&driver](benchmark::State& st) { driver(st); };
     benchmark::RegisterBenchmark("scenario", my_test);
 
-    // we should rethink this so we can pass arguments through to benchmark
-    int argc = 1;
-    char* argv[2] = {parser.bin_name(), nullptr};
-    benchmark::Initialize(&argc, argv);
+    const char * const * argv = backend_arg_spec.begin();
+    int argc = backend_arg_spec.end() - argv;
+
+    benchmark::Initialize(&argc, (char**)(argv));
     benchmark::RunSpecifiedBenchmarks();
     benchmark::Shutdown();
 

src/grcli/handle_gr_parameters.h

@@ -12,6 +12,7 @@
 
 #include "ChemistryData.h"
 #include "args/CliParser.h"
+#include "args/EscapedArgsConfig.h"
 #include "utils.h"