+ ++I; // Skip over the marker.
+
+ // Mangle the first letter specially, don't allow numbers...
+ if (*I >= '0' && *I <= '9')
+ Result += MangleLetter(*I++);
+
+ for (std::string::const_iterator E = X.end(); I != E; ++I)
+ if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
+ (*I < '0' || *I > '9') && *I != '_' && *I != '$')
+ Result += MangleLetter(*I);
+ else
+ Result += *I;
+ } else {
+ bool NeedsQuotes = false;
+
+ // If X does not start with (char)1, add the prefix.
+ std::string::const_iterator I = X.begin();
+ if (*I != 1)
+ Result = Prefix;
+ else
+ ++I; // Skip over the marker.
+
+ // If the first character is a number, we need quotes.
+ if (*I >= '0' && *I <= '9')
+ NeedsQuotes = true;
+
+ for (std::string::const_iterator E = X.end(); I != E; ++I)
+ if (*I == '"')
+ Result += "_QQ_";
+ else {
+ if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
+ (*I < '0' || *I > '9') && *I != '_' && *I != '$' && *I != '.')
+ NeedsQuotes = true;
+ Result += *I;
+ }
+ if (NeedsQuotes)
+ Result = '"' + Result + '"';
+ }