allow os-specific filenames on interrogate command line

dtool/src/cppparser/cppParser.cxx

@@ -57,7 +57,7 @@ is_fully_specified() const {
 //  Description:
 ////////////////////////////////////////////////////////////////////
 bool CPPParser::
-parse_file(const string &filename) {
+parse_file(const Filename &filename) {
   if (!init_cpp(CPPFile(filename, filename, CPPFile::S_local))) {
     cerr << "Unable to read " << filename << "\n";
     return false;

dtool/src/cppparser/cppParser.h

@@ -23,6 +23,7 @@
 
 #include "cppScope.h"
 #include "cppPreprocessor.h"
+#include "filename.h"
 
 #include <set>
 
@@ -36,7 +37,7 @@ public:
 
   virtual bool is_fully_specified() const;
 
-  bool parse_file(const string &filename);
+  bool parse_file(const Filename &filename);
 
   CPPExpression *parse_expr(const string &expr);
   CPPType *parse_type(const string &type);

dtool/src/interrogate/interrogate.cxx

@@ -327,11 +327,11 @@ main(int argc, char *argv[]) {
       break;
 
     case CO_oc:
-      output_code_filename = optarg;
+      output_code_filename = Filename::from_os_specific(optarg);
       break;
 
     case CO_od:
-      output_data_filename = optarg;
+      output_data_filename = Filename::from_os_specific(optarg);
       break;
 
     case CO_module:
@@ -444,11 +444,12 @@ main(int argc, char *argv[]) {
 
   // Get all of the .h files.
   for (i = 1; i < argc; ++i) {
-    if (!parser.parse_file(argv[i])) {
+    Filename filename = Filename::from_os_specific(argv[i]);
+    if (!parser.parse_file(Filename::from_os_specific(filename))) {
       cerr << "Error parsing file: '" << argv[i] << "'\n";
       exit(1);
     }
-    builder.add_source_file(argv[i]);
+    builder.add_source_file(filename);
   }
 
   // Now that we've parsed all the source code, change the way things
@@ -459,7 +460,7 @@ main(int argc, char *argv[]) {
 
   // Now look for the .N files.
   for (i = 1; i < argc; ++i) {
-    Filename nfilename = argv[i];
+    Filename nfilename = Filename::from_os_specific(argv[i]);
     nfilename.set_extension("N");
     nfilename.set_text();
     ifstream nfile;