add option to print GAPC call

rtlib/generic_opts.hh

@@ -24,8 +24,10 @@
 #ifndef RTLIB_GENERIC_OPTS_HH_
 #define RTLIB_GENERIC_OPTS_HH_
 
-
-#include <unistd.h>
+extern "C" {
+  #include <getopt.h>
+  #include <unistd.h>
+}
 
 #include <iostream>
 #include <fstream>
@@ -99,7 +101,12 @@ class Opts {
 #ifdef LIBRNA_RNALIB_H_
         << " (-[tT] [0-9]+)? (-P PARAM-file)?"
 #endif
-        << " (-[drk] [0-9]+)* (-h)? (INPUT|-f INPUT-file)\n";
+        << " (-[drk] [0-9]+)* (INPUT|-f INPUT-file)\n\n"
+#if defined(GAPC_CALL_STRING) && defined(GAPC_VERSION_STRING)
+        << "GAPC call:        \"" << GAPC_CALL_STRING << "\"\n"
+        << "GAPC version:     \"" << GAPC_VERSION_STRING << "\"\n"
+#endif
+        << "\n";
     }
 
     void parse(int argc, char **argv) {

src/cpp.cc

@@ -1578,7 +1578,7 @@ void Printer::Cpp::print_init_fn(const AST &ast) {
 
   inc_indent();
   stream << indent() << "const std::vector<std::pair<const char *, unsigned> >"
-    << " &inp = opts.inputs;\n";
+    << " &inp = opts.inputs;" << endl << endl;
 
   print_buddy_init(ast);
   print_seq_init(ast);
@@ -1684,12 +1684,19 @@ void Printer::Cpp::header(const AST &ast) {
     if (ast.get_float_acc() > 0) {
             stream << "#define FLOAT_ACC " << ast.get_float_acc() << "\n";
     }
+
+    stream << "#define GAPC_CALL_STRING \"" << gapc_call_string << "\""
+           << endl;
+    stream << "#define GAPC_VERSION_STRING \"" << gapc_version_string << "\""
+           << endl << endl;
     includes();
     print_subseq_typedef(ast);
     print_type_defs(ast);
   }
+
   imports(ast);
   print_hash_decls(ast);
+
   stream << indent() << "class " << class_name << " {" << endl;
   stream << indent() << " public:" << endl;
   inc_indent();

src/printer.cc

@@ -448,16 +448,20 @@ void Printer::Base::end_fwd_decls() {
 
 
 void Printer::Base::set_argv(char **argv, int argc) {
-  std::ostringstream o;
+  std::ostringstream o, gapc_call;
   o  << "A dynamic programming evaluator generated by GAP-C.\n\n"
     << "  GAP-C version:\n    " << gapc::version_id << "\n\n"
     << "  GAP-C call:\n    ";
   for (int i = 0; i < argc; ++i) {
-    o << argv[i];
+    gapc_call << argv[i];
     if (i+1 < argc) {
-      o << ' ';
+      gapc_call << ' ';
     }
   }
+
+  gapc_version_string = gapc::version_id;
+  gapc_call_string = gapc_call.str();
+  o << gapc_call_string;
   o << "\n\n";
   id_string = o.str();
 }

src/printer.hh

@@ -81,6 +81,7 @@ class Base {
   bool fwd_decls;
 
   std::string id_string;
+  std::string gapc_call_string, gapc_version_string;
 
  public:
   Base() : ind_count(0), out(std::cerr), line_number(0), stream(*this),