Pulling out std_read_loop for libedit's fallback

wcclparser/main.cpp

@@ -32,6 +32,18 @@ namespace {
 	const char* _prompt = "Enter any operator expression: ";
 }
 
+void std_read_loop(boost::function<bool (const std::string&)>& line_cb)
+{
+        while (std::cin.good()) {
+                std::cout << _prompt << std::flush;
+                std::string s;
+                getline(std::cin, s);
+                if (line_cb(s)) {
+                        return;
+                }
+        }
+}
+
 #if defined(HAVE_LIBEDIT) && !defined(_WINDOWS) //non-Windows libedit read loop
 
 const char* query_prompt(EditLine*) {
@@ -122,16 +134,10 @@ void read_loop(boost::function<bool (const std::string&)>& line_cb)
 
 #else // standard io read loop
 
+inline
 void read_loop(boost::function<bool (const std::string&)>& line_cb)
 {
-	while (std::cin.good()) {
-		std::cout << _prompt << std::flush;
-		std::string s;
-		getline(std::cin, s);
-		if (line_cb(s)) {
-			return;
-		}
-	}
+        std_read_loop(line_cb);
 }
 
 #endif