Added structural support in main() for using a REPL.

1 files changed, 22 insertions, 13 deletions

diff --git a/src/option.cc b/src/option.cc
index a0891c4c..7f8bdeb4 100644
--- a/src/option.cc
+++ b/src/option.cc
@@ -137,17 +137,20 @@ void process_environment(const char ** envp, const string& tag,
     }
 }
 
-void process_arguments(int, char ** argv, scope_t& scope,
-		       std::list<string>& args)
+strings_list process_arguments(strings_list args, scope_t& scope)
 {
   bool anywhere = true;
 
-  for (char ** i = argv; *i; i++) {
+  strings_list remaining;
+
+  for (strings_list::iterator i = args.begin();
+       i != args.end();
+       i++) {
     DEBUG("option.args", "Examining argument '" << *i << "'");
 
     if (! anywhere || (*i)[0] != '-') {
       DEBUG("option.args", "  adding to list of real args");
-      args.push_back(*i);
+      remaining.push_back(*i);
       continue;
     }
 
@@ -161,20 +164,24 @@ void process_arguments(int, char ** argv, scope_t& scope,
 
       DEBUG("option.args", "  it's an option string");
 
-      char * name  = *i + 2;
-      char * value = NULL;
-      if (char * p = std::strchr(name, '=')) {
-	*p++ = '\0';
-	value = p;
+      string       opt_name;
+      const char * name  = (*i).c_str() + 2;
+      const char * value = NULL;
+
+      if (const char * p = std::strchr(name, '=')) {
+	opt_name = string(name, p - name);
+	value = ++p;
 	DEBUG("option.args", "  read option value from option: " << value);
+      } else {
+	opt_name = name;
       }
 
-      op_bool_tuple opt(find_option(scope, name));
+      op_bool_tuple opt(find_option(scope, opt_name));
       if (! opt.get<0>())
 	throw_(option_error, "illegal option --" << name);
 
       if (opt.get<1>() && value == NULL) {
-	value = *++i;
+	value = (*++i).c_str();
 	DEBUG("option.args", "  read option value from arg: " << value);
 	if (value == NULL)
 	  throw_(option_error, "missing option argument for --" << name);
@@ -203,9 +210,9 @@ void process_arguments(int, char ** argv, scope_t& scope,
       }
 
       foreach (op_bool_char_tuple& o, option_queue) {
-	char * value = NULL;
+	const char * value = NULL;
 	if (o.get<1>()) {
-	  value = *++i;
+	  value = (*++i).c_str();
 	  DEBUG("option.args", "  read option value from arg: " << value);
 	  if (value == NULL)
 	    throw_(option_error,
@@ -216,6 +223,8 @@ void process_arguments(int, char ** argv, scope_t& scope,
       }
     }
   }
+
+  return remaining;
 }
 
 } // namespace ledger