Use a scanner interface instead of argc/argv

This will allow supporting other sources of options, for example, an
option file.

1 files changed, 21 insertions, 0 deletions

diff --git a/cli/runtime-inline.cxx b/cli/runtime-inline.cxx
index 9c33c2e..d4ce3ec 100644
--- a/cli/runtime-inline.cxx
+++ b/cli/runtime-inline.cxx
@@ -103,5 +103,26 @@ generate_runtime_inline (context& ctx)
      << "return value_;"
      << "}";
 
+  os << "// argv_scanner" << endl
+     << "//" << endl;
+
+  os << inl << "argv_scanner::" << endl
+     << "argv_scanner (int argc, char** argv)" << endl
+     << ": i_ (1), argc_ (argc), argv_ (argv)"
+     << "{"
+     << "}";
+
+  os << inl << "argv_scanner::" << endl
+     << "argv_scanner (int start, int argc, char** argv)" << endl
+     << ": i_ (start), argc_ (argc), argv_ (argv)"
+     << "{"
+     << "}";
+
+  os << inl << "int argv_scanner::" << endl
+     << "end () const"
+     << "{"
+     << "return i_;"
+     << "}";
+
   os << "}"; // namespace cli
 }