/* -----------------------------------------------------------------------------
 * main.cxx
 *
 *     Main entry point to the SWIG core.
 *
 * Author(s) : David Beazley (beazley@cs.uchicago.edu)
 *
 * Copyright (C) 1998-2000.  The University of Chicago
 * Copyright (C) 1995-1998.  The University of Utah and The Regents of the
 *                           University of California.
 *
 * See the file LICENSE for information on usage and redistribution.
 * ----------------------------------------------------------------------------- */

char cvsroot_main_cxx[] = "$Header: /cvsroot/swig/SWIG/Source/Modules/main.cxx,v 1.60 2005/09/08 22:31:21 wsfulton Exp $";

#if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif

#include "swigmod.h"

#include "swigwarn.h"
#include "cparse.h"
#include <ctype.h>

// Global variables

    char       LibDir[512];                     // Library directory
    Language  *lang;                            // Language method
    int        CPlusPlus = 0;
    int        Extend = 0;                      // Extend flag
    int        ForceExtern = 0;                 // Force extern mode
    int        GenerateDefault = 1;             // Generate default constructors
    char      *Config = 0;
    int        Verbose = 0;
    int        AddExtern = 0;
    int        NoExcept = 0;
    char      *SwigLib;
    int        SwigRuntime = 0;                 // 0 = no option, 1 = -c or -runtime, 2 = -noruntime


extern "C" {
extern String  *ModuleName;
}

static const char *usage1 = (const char*)"\
\nGeneral Options\n\
     -c++            - Enable C++ processing\n\
     -co <file>      - Check <file> out of the SWIG library\n\
     -directors      - Turn on director mode for all the classes, mainly for testing \n\
     -dirprot        - Turn on wrapping of protected members for director classes\n\
     -D<symbol>      - Define a symbol <symbol> (for conditional compilation)\n\
     -E              - Preprocess only, does not generate wrapper code\n\
     -external-runtime [file] - Export the swig runtime stack \n\
     -fcompact       - Compile in compact mode\n\
     -features list  - Set a list of global features, where the syntax list is \n\
                       -features directors,autodoc=1      \n\
                       if not explicit value is given to the feature, a '1' is used \n\
     -fvirtual       - Compile in virtual elimination mode\n\
     -Fstandard      - Display error/warning messages in commonly used format\n\
     -Fmicrosoft     - Display error/warning messages in Microsoft format\n\
     -help           - This output\n\
     -I<dir>         - Look for SWIG files in <dir>\n\
     -I-             - Don't search the current directory\n\
     -ignoremissing  - Ignore missing include files\n\
     -importall      - Follow all #include statements as imports\n\
     -includeall     - Follow all #include statements\n\
     -l<ifile>       - Include SWIG library file <ifile>\n\
     -M              - List all dependencies \n\
     -MD             - Is equivalent to `-M -MF <file>', except `-E' is not implied\n\
     -MF <file>      - Generate dependencies into <file> and continue generating wrappers \n\
     -MM             - List dependencies, but omit files in SWIG library\n\
     -MMD            - Like `-MD', but omit files in SWIG library\n\
";
// usage string split in two otherwise string is too big for some compilers
static const char *usage2 = (const char*)"\
     -makedefault    - Create default constructors/destructors (the default)\n\
     -module <name>  - Set module name to <name>\n\
     -nocontract     - Turn off contract checking \n\
     -nodefault      - Do not generate constructors/destructors\n\
     -nodirprot      - Do not wrap director protected members\n\
     -noexcept       - Do not wrap exception specifiers\n\
     -addextern      - Add extra extern declarations\n\
     -nopreprocess   - Skip the preprocessor step\n\
     -notemplatereduce - Disable reduction of the typedefs in templates \n\
     -o <outfile>    - Set name of the output file to <outfile>\n\
     -oh <headfile>  - Set name of the output header file to <headfile>\n\
     -outdir <dir>   - Set language specific files output directory\n\
     -small          - Compile in virtual elimination & compact mode\n\
     -swiglib        - Report location of SWIG library and exit\n\
     -templatereduce - Reduce all the typedefs in templates \n\
     -v              - Run in verbose mode\n\
     -version        - Print SWIG version number\n\
     -Wall           - Enable all warning messages\n\
     -Wallkw         - Enable keyword warnings for all the supported languages\n\
     -Werror         - Treat warnings as errors\n\
     -w<list>        - Suppress/add warning messages eg -w401,+321 - see Warnings.html\n\
     -xmlout <file>  - Write XML version of the parse tree to <file> after normal processing\n\
\n";

// Local variables
static int     freeze = 0;
static String  *lang_config = 0;
static char    *hpp_extension = (char *) "h";
static char    *cpp_extension = (char *) "cxx";
static char    *depends_extension = (char *) "d";
static String  *outdir = 0;
static String  *xmlout = 0;
static int     help = 0;
static int     checkout = 0;
static int     cpp_only = 0;
static int     no_cpp = 0;
static char   *outfile_name = 0;
static char   *outfile_name_h = 0;
static int     tm_debug = 0;
static int     dump_tags = 0;
static int     dump_tree = 0;
static int     dump_xml = 0;
static int     browse = 0;
static int     dump_typedef = 0;
static int     dump_classes = 0;
static int     werror = 0;
static int     depend = 0;
static int     depend_only = 0;
static int     memory_debug = 0;
static int     allkw = 0;
static DOH    *libfiles = 0;
static DOH    *cpps = 0 ;
static String  *dependencies_file = 0;
static File    *f_dependencies_file = 0;
static int     external_runtime = 0;
static String *external_runtime_name = 0;

// -----------------------------------------------------------------------------
// check_suffix(char *name)
//
// Checks the suffix of a file to see if we should emit extern declarations.
// -----------------------------------------------------------------------------

static int check_suffix(char *name) {
  char *c;
  if (!name) return 0;
  c = Swig_file_suffix(name);
  if ((strcmp(c,".c") == 0) ||
      (strcmp(c,".C") == 0) ||
      (strcmp(c,".cc") == 0) ||
      (strcmp(c,".cxx") == 0) ||
      (strcmp(c,".c++") == 0) ||
      (strcmp(c,".cpp") == 0)) {
    return 1;
  }
  return 0;
}

// -----------------------------------------------------------------------------
// install_opts(int argc, char *argv[])
// Install all command line options as preprocessor symbols
// ----------------------------------------------------------------------------- 

static void install_opts(int argc, char *argv[]) {
  int i;
  int noopt = 0;
  char *c;
  for (i = 1; i < (argc-1); i++) {
    if (argv[i]) {
      if ((*argv[i] == '-') && (!isupper(*(argv[i]+1)))) {
	String *opt = NewStringf("SWIGOPT%(upper)s", argv[i]);
	Replaceall(opt,"-","_");
	c = Char(opt);
	noopt = 0;
	while (*c) {
	  if (!(isalnum(*c) || (*c == '_'))) {
	    noopt = 1;
	    break;
	  }
	  c++;
	}
	if (((i+1) < (argc-1)) && (argv[i+1]) && (*argv[i+1] != '-')) {
	  Printf(opt," %s", argv[i+1]);
	  i++;
	} else {
	  Printf(opt," 1");
	}
	if (!noopt) {
	  /*	  Printf(stdout,"%s\n", opt); */
	  Preprocessor_define(opt, 0);
	}
      }
    }
  }
}

// -----------------------------------------------------------------------------
// Sets the output directory for language specific (proxy) files if not set and 
// adds trailing file separator if necessary.
// ----------------------------------------------------------------------------- 

static void set_outdir(const String *c_wrapper_file_dir) {

    // Add file delimiter if not present in output directory name
    if (outdir && Len(outdir) != 0) {
        const char* outd = Char(outdir);
        if (strcmp(outd + strlen(outd) - strlen(SWIG_FILE_DELIMETER), SWIG_FILE_DELIMETER) != 0)
            Printv(outdir, SWIG_FILE_DELIMETER, NIL);
    }
    // Use the C wrapper file's directory if the output directory has not been set by user
    if (!outdir)
        outdir = NewString(c_wrapper_file_dir);
}

//-----------------------------------------------------------------
// main()
//
// Main program.    Initializes the files and starts the parser.
//-----------------------------------------------------------------

/* This function sets the name of the configuration file */

void SWIG_config_file(const String_or_char *filename) {
  lang_config = NewString(filename);
}

void SWIG_library_directory(const char *filename) {
  strcpy(LibDir,filename);
}

// Returns the directory for generating language specific files (non C/C++ files)
const String *SWIG_output_directory() {
    assert(outdir);
    return outdir;
}

void SWIG_config_cppext(const char *ext) {
  cpp_extension = (char *) ext;
}

void SWIG_getfeatures(const char *c) 
{
  char feature[64];
  char *fb = feature;
  char *fe = fb + 63;
  Hash *features_hash = Swig_cparse_features();
  String *name = NewString("");
  /* Printf(stderr,"all features %s\n", c); */
  while (*c) {
    char *f = fb;
    String *fname = NewString("feature:");
    String *fvalue = NewString("");
    while ((f != fe) && *c != '=' && *c != ',' && *c) {
      *(f++) = *(c++);
    }
    *f = 0;
    Printf(fname,"%s",feature);
    if (*c && *(c++) == '=') {
      char value[64];
      char *v = value;
      char *ve = v + 63;
      while ((v != ve) &&  *c != ',' && *c && !isspace(*c)) {
	*(v++) = *(c++);
      }
      *v = 0;
      Printf(fvalue,"%s",value);
    } else {
      Printf(fvalue,"1");
    }    
    /* Printf(stderr,"%s %s\n", fname, fvalue);  */
    Swig_feature_set(features_hash,name,0,fname,fvalue,0);
    Delete(fname);
    Delete(fvalue);
  }
  Delete(name);
}

/* This function handles the -external-runtime command option */
static void SWIG_dump_runtime() {
  String *outfile;
  File *runtime;
  String *s;

  outfile = external_runtime_name;
  if (!outfile) {
    outfile = lang->defaultExternalRuntimeFilename();
    if (!outfile) {
      Printf(stderr, "*** Please provide a filename for the external runtime\n");
      SWIG_exit(EXIT_FAILURE);
    }
  }

  runtime = NewFile(outfile, "w");
  if (!runtime) {
    FileErrorDisplay(outfile);
    SWIG_exit(EXIT_FAILURE);
  }

  Swig_banner(runtime);

  s = Swig_include_sys("swiglabels.swg");
  if (!s) {
    Printf(stderr, "*** Unable to open 'swiglabels.swg'\n");
    Close(runtime);
    SWIG_exit(EXIT_FAILURE);
  }
  Printf(runtime, "%s", s);
  Delete(s);
  
  s = Swig_include_sys("swigrun.swg");
  if (!s) {
    Printf(stderr, "*** Unable to open 'swigrun.swg'\n");
    Close(runtime);
    SWIG_exit(EXIT_FAILURE);
  }
  Printf(runtime, "%s", s);
  Delete(s);

  s = lang->runtimeCode();
  Printf(runtime, "%s", s);
  Delete(s);

  s = Swig_include_sys("runtime.swg");
  if (!s) {
    Printf(stderr, "*** Unable to open 'runtime.swg'\n");
    Close(runtime);
    SWIG_exit(EXIT_FAILURE);
  }
  Printf(runtime, "%s", s);
  Delete(s);
  
  Close(runtime);
  SWIG_exit(EXIT_SUCCESS);
}

void SWIG_getoptions(int argc, char *argv[]) 
{
  int    i;
  char   *includefiles[256];
  int     includecount = 0;
  // Get options
  for (i = 1; i < argc; i++) {
      if (argv[i] && !Swig_check_marked(i)) {
	  if (strncmp(argv[i],"-I-",3) == 0) {
	    // Don't push/pop directories
	    Swig_set_push_dir(0);
	    Swig_mark_arg(i);
	  } else if (strncmp(argv[i],"-I",2) == 0) {
	    // Add a new directory search path
	    includefiles[includecount++] = Swig_copy_string(argv[i]+2);
	    Swig_mark_arg(i);
	  } else if (strncmp(argv[i],"-D",2) == 0) {
	    DOH *d = NewString(argv[i]+2);
	    Replace(d,(char*)"=",(char*)" ", DOH_REPLACE_ANY | DOH_REPLACE_FIRST);
	    Preprocessor_define((DOH *) d,0);
	    // Create a symbol
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-E") == 0) {
	    cpp_only = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-nopreprocess") == 0) {
	    no_cpp = 1;
	    Swig_mark_arg(i);
	  } else if ((strcmp(argv[i],"-verbose") == 0) ||
		     (strcmp(argv[i],"-v") == 0)) {
	      Verbose = 1;
	      Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-c++") == 0) {
	      CPlusPlus=1;
	      Preprocessor_define((DOH *) "__cplusplus __cplusplus", 0);
	      Swig_cparse_cplusplus(1);
	      Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-fcompact") == 0) {
	    Wrapper_compact_print_mode_set(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-fvirtual") == 0) {
	    Wrapper_virtual_elimination_mode_set(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-directors") == 0) {
	    Hash *features_hash = Swig_cparse_features();
	    String *name = NewString("");
	    String *fname = NewString("feature:director");
	    String *fvalue = NewString("1");
	    Swig_feature_set(features_hash,name,0,fname,fvalue,0);
	    Wrapper_director_mode_set(1);
	    Swig_mark_arg(i);
	    Delete(name);
	    Delete(fname);
	    Delete(fvalue);
	  } else if (strcmp(argv[i],"-dirprot") == 0) {
	    Wrapper_director_protected_mode_set(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-nodirprot") == 0) {
	    Wrapper_director_protected_mode_set(0);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-small") == 0) {
	    Wrapper_compact_print_mode_set(1);
	    Wrapper_virtual_elimination_mode_set(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i], "-runtime") == 0) {
	      Swig_mark_arg(i);
	      Swig_warning(WARN_DEPRECATED_OPTC, "SWIG",1, "-c, -runtime, -noruntime command line options are deprecated.\n");
	      SwigRuntime = 1;
	  } else if ((strcmp(argv[i],"-c") == 0) || (strcmp(argv[i],"-noruntime") == 0)) {
	      Swig_mark_arg(i);
	      Swig_warning(WARN_DEPRECATED_OPTC, "SWIG",1, "-c, -runtime, -noruntime command line options are deprecated.\n");
	      SwigRuntime = 2;
	  } else if (strcmp(argv[i], "-external-runtime") == 0) {
              external_runtime = 1;
              Swig_mark_arg(i);
              if (argv[i+1]) {
                external_runtime_name = NewString(argv[i+1]);
                Swig_mark_arg(i+1);
                i++;
              }
          } else if ((strcmp(argv[i],"-make_default") == 0) || (strcmp(argv[i],"-makedefault") == 0)) {
	    GenerateDefault = 1;
	    Swig_mark_arg(i);
          } else if ((strcmp(argv[i],"-no_default") == 0) || (strcmp(argv[i],"-nodefault") == 0)) {
	    GenerateDefault = 0;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-noexcept") == 0) {
	    NoExcept = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-noextern") == 0) {
	    Swig_warning(WARN_DEPRECATED_NOEXTERN, "SWIG",1, "-noextern command line option is deprecated; extern is no longer generated by default.\n");
	    AddExtern = 0;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-addextern") == 0) {
	    AddExtern = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-show_templates") == 0) {
	    Swig_cparse_debug_templates(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-templatereduce") == 0) {
	    SWIG_cparse_template_reduce(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-notemplatereduce") == 0) {
	    SWIG_cparse_template_reduce(0);
	    Swig_mark_arg(i);
          } else if (strcmp(argv[i],"-swiglib") == 0) {
	    printf("%s\n", LibDir);
	    SWIG_exit (EXIT_SUCCESS);
	  } else if (strcmp(argv[i],"-o") == 0) {
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      outfile_name = Swig_copy_string(argv[i+1]);
	      if (!outfile_name_h || !dependencies_file) {
		char *ext = strrchr(outfile_name, '.');
		String *basename = ext ? NewStringWithSize(outfile_name,ext-outfile_name) : NewString(outfile_name);
                if (!dependencies_file) {
                  dependencies_file = NewStringf("%s.%s", basename, depends_extension);
                }
                if (!outfile_name_h) {
                  Printf(basename, ".%s", hpp_extension);
                  outfile_name_h = Swig_copy_string(Char(basename));
                  Delete(basename);
                }
	      }
	      Swig_mark_arg(i+1);
	      i++;
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-oh") == 0) {
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      outfile_name_h = Swig_copy_string(argv[i+1]);
	      Swig_mark_arg(i+1);
	      i++;
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-version") == 0) {
	      fprintf(stdout,"\nSWIG Version %s\n", PACKAGE_VERSION);
	      fprintf(stdout,"Copyright (c) 1995-1998\n");
	      fprintf(stdout,"University of Utah and the Regents of the University of California\n");
	      fprintf(stdout,"Copyright (c) 1998-2005\n");
	      fprintf(stdout,"University of Chicago\n");
	      fprintf(stdout,"Compiled with %s [%s]\n", SWIG_CXX, SWIG_PLATFORM);
	      fprintf(stdout,"\nPlease see %s for reporting bugs and further information\n", PACKAGE_BUGREPORT);
	      SWIG_exit (EXIT_SUCCESS);
	  } else if (strncmp(argv[i],"-l",2) == 0) {
	    // Add a new directory search path
	    Append(libfiles,argv[i]+2);
	    Swig_mark_arg(i);
          } else if (strcmp(argv[i],"-co") == 0) {
	    checkout = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-features") == 0) {
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      SWIG_getfeatures(argv[i+1]);
	      Swig_mark_arg(i+1);
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-freeze") == 0) {
	    freeze = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-includeall") == 0) {
	    Preprocessor_include_all(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-importall") == 0) {
	    Preprocessor_import_all(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-ignoremissing") == 0) {
	    Preprocessor_ignore_missing(1);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-tm_debug") == 0) {
	    tm_debug = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-module") == 0) {
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      ModuleName = NewString(argv[i+1]);	    
	      Swig_mark_arg(i+1);
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-M") == 0) {
	    depend = 1;
	    depend_only = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-MM") == 0) {
	    depend = 2;
	    depend_only = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-MF") == 0) {
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      dependencies_file = NewString(argv[i+1]);	    
	      Swig_mark_arg(i+1);
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-MD") == 0) {
	    depend = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-MMD") == 0) {
	    depend = 2;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-outdir") == 0) {
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      outdir = NewString(argv[i+1]);	    
	      Swig_mark_arg(i+1);
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-Wall") == 0) {
	    Swig_mark_arg(i);
	    Swig_warnall();
	  } else if (strcmp(argv[i],"-Wallkw") == 0) {
	    allkw = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-Werror") == 0) {
	    werror = 1;
	    Swig_mark_arg(i);
	  } else if (strncmp(argv[i],"-w",2) == 0) {
	    Swig_mark_arg(i);
	    Swig_warnfilter(argv[i]+2,1);
	  } else if (strcmp(argv[i],"-dump_tags") == 0) {
	    dump_tags = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-dump_tree") == 0) {
	    dump_tree = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-dump_xml") == 0) {
	    dump_xml = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-xmlout") == 0) {
	    dump_xml = 1;
	    Swig_mark_arg(i);
	    if (argv[i+1]) {
	      xmlout = NewString(argv[i+1]);	    
	      Swig_mark_arg(i+1);
	    } else {
	      Swig_arg_error();
	    }
	  } else if (strcmp(argv[i],"-nocontract") == 0) {
	    Swig_mark_arg(i);
	    Swig_contract_mode_set(0);
	  } else if (strcmp(argv[i],"-browse") == 0) {
	    browse = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-dump_typedef") == 0) {
	    dump_typedef = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-dump_classes") == 0) {
	    dump_classes = 1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-dump_memory") == 0) {
	    memory_debug =1;
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-Fstandard") == 0) {
            Swig_error_msg_format(EMF_STANDARD);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-Fmicrosoft") == 0) {
            Swig_error_msg_format(EMF_MICROSOFT);
	    Swig_mark_arg(i);
	  } else if (strcmp(argv[i],"-help") == 0) {
	    fputs(usage1,stdout);
	    fputs(usage2,stdout);
	    Swig_mark_arg(i);
	    help = 1;
	  }
      }
  }

  for (i = 0; i < includecount; i++) {
    Swig_add_directory((DOH *) includefiles[i]);
  }
}





int SWIG_main(int argc, char *argv[], Language *l) {
  char   *c;
  char    temp[512];

  /* Initialize the SWIG core */
  Swig_init();
  
  /* Suppress warning messages for private inheritance, preprocessor
     evaluation, might be abstract, overloaded const, and ...

     WARN_PP_EVALUATION            202
     WARN_PARSE_PRIVATE_INHERIT    309
     WARN_TYPE_ABSTRACT            403
     WARN_LANG_OVERLOAD_CONST      512
     WARN_PARSE_BUILTIN_NAME       321
     WARN_PARSE_REDUNDANT          322
  */
  Swig_warnfilter("202,309,403,512,321,322",1);

  // Initialize the preprocessor
  Preprocessor_init();

  lang = l;

  // Set up some default symbols (available in both SWIG interface files
  // and C files)

  Preprocessor_define((DOH *) "SWIG 1", 0);
  Preprocessor_define((DOH *) "__STDC__", 0);
#ifdef MACSWIG
  Preprocessor_define((DOH *) "SWIGMAC 1", 0);
#endif
#ifdef SWIGWIN32
  Preprocessor_define((DOH *) "SWIGWIN32 1", 0);
#endif

  // Set the SWIG version value in format 0xAABBCC from package version expected to be in format A.B.C
  String *package_version = NewString(PACKAGE_VERSION);
  char *token = strtok(Char(package_version), ".");
  String *vers = NewString("SWIG_VERSION 0x");
  int count = 0;
  while (token) {
    int len = strlen(token);
    assert(len == 1 || len == 2);
    Printf(vers, "%s%s", (len == 1) ? "0" : "", token);
    token = strtok(NULL, ".");
    count++;
  }
  Delete(package_version);
  assert(count == 3); // Check version format is correct

  /* Turn on contracts */

  Swig_contract_mode_set(1);
  Preprocessor_define(vers,0);

  /* Turn off directors mode */
  Wrapper_director_mode_set(0);
  Wrapper_director_protected_mode_set(0);

  // Check for SWIG_LIB environment variable

  if ((c = getenv("SWIG_LIB")) == (char *) 0) {
#if defined(_WIN32)
      char buf[MAX_PATH];
      char *p;
      if (GetModuleFileName(0, buf, MAX_PATH) == 0
	  || (p = strrchr(buf, '\\')) == 0) {
       Printf(stderr, "Warning: Could not determine SWIG library location. Assuming " SWIG_LIB "\n");
       sprintf(LibDir,"%s",SWIG_LIB);    // Build up search paths
      } else {
       strcpy(p+1, "Lib");
       strcpy(LibDir, buf);
      }
#else
       sprintf(LibDir,"%s",SWIG_LIB);    // Build up search paths
#endif                                        
  } else {
      strcpy(LibDir,c);
  }

  SwigLib = Swig_copy_string(LibDir);        // Make a copy of the real library location
  
  libfiles = NewList();

  /* Check for SWIG_FEATURES environment variable */

  SWIG_getoptions(argc, argv);

  // Define the __cplusplus symbol
  if (CPlusPlus)
    Preprocessor_define((DOH *) "__cplusplus __cplusplus", 0);

  // Parse language dependent options
  lang->main(argc,argv);

  
  if (help) {
    Printf(stdout,"\nNote: 'swig -<lang> -help' displays options for a specific target language.\n\n");
    SWIG_exit (EXIT_SUCCESS);    // Exit if we're in help mode
  }

  // Check all of the options to make sure we're cool.
  // Don't check for an input file if -external-runtime is passed
  Swig_check_options(external_runtime ? 0 : 1);

  install_opts(argc, argv);

  // Add language dependent directory to the search path
  {
    DOH *rl = NewString("");
    Printf(rl,"%s%s%s", SwigLib, SWIG_FILE_DELIMETER, LibDir);
    Swig_add_directory(rl);
    rl = NewString("");
    Printf(rl,".%sswig_lib%s%s", SWIG_FILE_DELIMETER, SWIG_FILE_DELIMETER, LibDir);
    Swig_add_directory(rl);
  }

  sprintf(temp,"%s%sconfig", SwigLib, SWIG_FILE_DELIMETER);
  Swig_add_directory((DOH *) temp);
  Swig_add_directory((DOH *) "." SWIG_FILE_DELIMETER "swig_lib" SWIG_FILE_DELIMETER "config");
  Swig_add_directory((DOH *) SwigLib);
  Swig_add_directory((DOH *) "." SWIG_FILE_DELIMETER "swig_lib");

  if (Verbose) {
    printf ("LibDir: %s\n", LibDir);
    List *sp = Swig_search_path();
    Iterator s;
    for (s = First(sp); s.item; s = Next(s)) {
      Printf(stdout,"   %s\n", s.item);
    }
  }

  // handle the -external-runtime argument
  if (external_runtime)
    SWIG_dump_runtime();

  // If we made it this far, looks good. go for it....

  input_file = argv[argc-1];

  // If the user has requested to check out a file, handle that
  if (checkout) {
    DOH *s;
    char *outfile = input_file;
    if (outfile_name)
      outfile = outfile_name;

    if (Verbose)
      printf ("Handling checkout...\n");

    s = Swig_include(input_file);
    if (!s) {
      fprintf(stderr,"Unable to locate '%s' in the SWIG library.\n", input_file);
    } else {
      FILE *f = fopen(outfile,"r");
      if (f) {
	fclose(f);
	fprintf(stderr,"File '%s' already exists. Checkout aborted.\n", outfile);
      } else {
	f = fopen(outfile,"w");
	if (!f) {
	  fprintf(stderr,"Unable to create file '%s'\n", outfile);
	} else {
	  if (Verbose)
	    fprintf(stdout,"'%s' checked out from the SWIG library.\n", input_file);
	  fputs(Char(s),f);
	  fclose(f);
	}
      }
    }
  } else {
    // Check the suffix for a .c file.  If so, we're going to
    // declare everything we see as "extern"

    ForceExtern = check_suffix(input_file);

    // Run the preprocessor
    if (Verbose)
      printf ("Preprocessing...\n");
    {
      int i;
      String *fs = NewString("");
      FILE *df = Swig_open(input_file);
      if (!df) {
	Printf(stderr,"Unable to find '%s'\n", input_file);
	SWIG_exit (EXIT_FAILURE);
      }
      fclose(df);
      if(!no_cpp) {
        Printf(fs,"%%include <swig.swg>\n");
        if (allkw) {
          Printf(fs,"%%include <allkw.swg>\n");
        }
        if (lang_config) {
          Printf(fs,"\n%%include <%s>\n", lang_config);
        }
        Printf(fs,"%%include \"%s\"\n", Swig_last_file());
        for (i = 0; i < Len(libfiles); i++) {
          Printf(fs,"\n%%include \"%s\"\n", Getitem(libfiles,i));
        }
        Seek(fs,0,SEEK_SET);
        cpps = Preprocessor_parse(fs);
      } else {
        df = Swig_open(input_file);
        cpps = NewFileFromFile(df);
      }
      if (Swig_error_count()) {
        SWIG_exit(EXIT_FAILURE);
      }
      if (cpp_only) {
	Printf(stdout,"%s", cpps);
	while (freeze);
	SWIG_exit (EXIT_SUCCESS);
      }
      if (depend) {
	String *outfile;
	if (!outfile_name) {
	  if (CPlusPlus) {
	    outfile = NewStringf("%s_wrap.%s", Swig_file_basename(input_file),cpp_extension);
	  } else {
	    outfile = NewStringf("%s_wrap.c", Swig_file_basename(input_file));
	  }
	} else {
	  outfile = NewString(outfile_name);
	}
	if (dependencies_file && Len(dependencies_file) != 0) {
	  f_dependencies_file = NewFile(dependencies_file,"w");
	  if (!f_dependencies_file) {
	    FileErrorDisplay(dependencies_file);
	    SWIG_exit(EXIT_FAILURE);
	  }
	} else if (!depend_only) {
	  String *filename = NewStringf("%s_wrap.%s", Swig_file_basename(input_file), depends_extension);
	  f_dependencies_file = NewFile(filename,"w");
	  if (!f_dependencies_file) {
	    FileErrorDisplay(filename);
	    SWIG_exit(EXIT_FAILURE);
	  }
	} 
	else
	  f_dependencies_file = stdout;
	Printf(f_dependencies_file,"%s: ", outfile);
	List *files = Preprocessor_depend();
	for (int i = 0; i < Len(files); i++) {
	  if ((depend != 2) || ((depend == 2) && (Strncmp(Getitem(files,i),SwigLib, Len(SwigLib)) != 0))) {
	    Printf(f_dependencies_file,"\\\n %s ", Getitem(files,i));
	  }
	}
	Printf(f_dependencies_file,"\n");
	if (f_dependencies_file != stdout)
	  Close(f_dependencies_file);
	if (depend_only)
	  SWIG_exit(EXIT_SUCCESS);
      }
      Seek(cpps, 0, SEEK_SET);
    }

    /* Register a null file with the file handler */
    Swig_register_filebyname("null", NewString(""));

    // Pass control over to the specific language interpreter
    if (Verbose) {
      fprintf (stdout, "Starting language-specific parse...\n");
      fflush (stdout);
    }

    Node *top = Swig_cparse(cpps);


    if (Verbose) {
      Printf(stdout,"Processing types...\n");
    }
    Swig_process_types(top);

    if (Verbose) {
      Printf(stdout,"C++ analysis...\n");
    }
    Swig_default_allocators(top);

    if (Verbose) {
      Printf(stdout,"Generating wrappers...\n");
    }

    if (dump_classes) {
      Hash *classes = Getattr(top,"classes");
      if (classes) {
	Printf(stdout,"Classes\n");
	Printf(stdout,"------------\n");
	Iterator ki;
	for (ki = First(classes); ki.key; ki = Next(ki)) {
	  Printf(stdout,"%s\n", ki.key);
	}
      }	       
    }

    if (dump_typedef) {
      SwigType_print_scope(0);
    }

    if (dump_tags) {
      Swig_print_tags(top,0);
    }
    if (top) {
      if (!Getattr(top,"name")) {
	Printf(stderr,"*** No module name specified using %%module or -module.\n");
	SWIG_exit(EXIT_FAILURE);
      } else {
	/* Set some filename information on the object */
	Setattr(top,"infile", input_file);
	if (!outfile_name) {
	  if (CPlusPlus) {
	    Setattr(top,"outfile", NewStringf("%s_wrap.%s", Swig_file_basename(input_file),cpp_extension));
	  } else {
	    Setattr(top,"outfile", NewStringf("%s_wrap.c", Swig_file_basename(input_file)));
	  }
	} else {
	  Setattr(top,"outfile", outfile_name);
	}
	if (!outfile_name_h) {
	  Setattr(top,"outfile_h", NewStringf("%s_wrap.%s", Swig_file_basename(input_file),hpp_extension));
	} else {
	  Setattr(top,"outfile_h", outfile_name_h);
	}
        set_outdir(Swig_file_dirname(Getattr(top,"outfile")));
	if (Swig_contract_mode_get()) {
	  Swig_contracts(top);
	}
	lang->top(top);
	if (browse) {
	  Swig_browser(top,0);
	}
      }
    }
    if (dump_tree) {
      Swig_print_tree(top);
    }
    if (dump_xml) {
      Swig_print_xml(top, xmlout);
    }
  }
  if (tm_debug) Swig_typemap_debug();
  if (memory_debug) DohMemoryDebug();
  while (freeze);


  if ((werror) && (Swig_warn_count())) {
    return Swig_warn_count();
  }
  return Swig_error_count();
}

// --------------------------------------------------------------------------
// SWIG_exit(int exit_code)
//
// Cleanup and either freeze or exit
// --------------------------------------------------------------------------

void SWIG_exit(int exit_code) {
  while (freeze);
  exit (exit_code);
}

