/* GLIB-GenMarshal - Marshaller generator for GObject library

 * Copyright (C) 2000-2001 Red Hat, Inc.

 * Portions copyright (c) 2006-2009 Nokia Corporation.  All rights reserved.

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include "config.h"

#include <stdlib.h>

#include <fcntl.h>

#include <string.h>

#include <errno.h>

#ifdef HAVE_UNISTD_H

#include <unistd.h>

#endif

#include <sys/types.h>

#include <sys/stat.h>

#undef G_LOG_DOMAIN

#define G_LOG_DOMAIN "GLib-Genmarshal"

#include <glib.h>

#include <glib/gprintf.h>

#ifdef G_OS_WIN32

#include <io.h>

#endif

#ifdef __SYMBIAN32__

#include "mrt2_glib2_test.h"

#endif /*__SYMBIAN32__*/

/* --- defines --- */

#define	PRG_NAME	"glib-genmarshal"

#define	PKG_NAME	"GLib"

#define PKG_HTTP_HOME	"http://www.gtk.org"

/* --- typedefs & structures --- */

typedef struct

{

  gchar	      *keyword;		/* marhaller list keyword [MY_STRING] */

  const gchar *sig_name;	/* signature name [STRING] */

  const gchar *ctype;		/* C type name [gchar*] */

  const gchar *getter;		/* value getter function [g_value_get_string] */

} InArgument;

typedef struct

{

  gchar	      *keyword;		/* marhaller list keyword [MY_STRING] */

  const gchar *sig_name;	/* signature name [STRING] */

  const gchar *ctype;		/* C type name [gchar*] */

  const gchar *setter;		/* value setter function [g_value_set_string] */

} OutArgument;

typedef struct

{

  gchar       *ploc;

  OutArgument *rarg;

  GList       *args;	/* of type InArgument* */

} Signature;

/* --- prototypes --- */

static void	parse_args	(gint	   	*argc_p,

				 gchar	     ***argv_p);

static void	print_blurb	(FILE	       	*bout,

				 gboolean	 print_help);

/* --- variables --- */

static const GScannerConfig scanner_config_template =

{

  (

   " \t\r"		/* "\n" is statement delimiter */

   )                    /* cset_skip_characters */,

  (

   G_CSET_a_2_z

   "_"

   G_CSET_A_2_Z

   )                    /* cset_identifier_first */,

  (

   G_CSET_a_2_z

   "_0123456789"

   G_CSET_A_2_Z

   )                    /* cset_identifier_nth */,

  ( "#\n" )             /* cpair_comment_single */,

  FALSE                 /* case_sensitive */,

  TRUE                  /* skip_comment_multi */,

  TRUE                  /* skip_comment_single */,

  TRUE                  /* scan_comment_multi */,

  TRUE                  /* scan_identifier */,

  FALSE                 /* scan_identifier_1char */,

  FALSE                 /* scan_identifier_NULL */,

  TRUE                  /* scan_symbols */,

  FALSE                 /* scan_binary */,

  TRUE                  /* scan_octal */,

  TRUE                  /* scan_float */,

  TRUE                  /* scan_hex */,

  FALSE                 /* scan_hex_dollar */,

  TRUE                  /* scan_string_sq */,

  TRUE                  /* scan_string_dq */,

  TRUE                  /* numbers_2_int */,

  FALSE                 /* int_2_float */,

  FALSE                 /* identifier_2_string */,

  TRUE                  /* char_2_token */,

  FALSE                 /* symbol_2_token */,

  FALSE                 /* scope_0_fallback */,

};

static gchar		* const std_marshaller_prefix = "g_cclosure_marshal";

static gchar		*marshaller_prefix = "g_cclosure_user_marshal";

static GHashTable	*marshallers = NULL;

static FILE             *fout = NULL;

static gboolean		 gen_cheader = FALSE;

static gboolean		 gen_cbody = FALSE;

static gboolean          gen_internal = FALSE;

static gboolean		 skip_ploc = FALSE;

static gboolean		 std_includes = TRUE;

static gint              exit_status = 0;

/* --- functions --- */

static void

put_marshal_value_getters (void)

{

  fputs ("\n", fout);

  fputs ("#ifdef G_ENABLE_DEBUG\n", fout);

  fputs ("#define g_marshal_value_peek_boolean(v)  g_value_get_boolean (v)\n", fout);

  fputs ("#define g_marshal_value_peek_char(v)     g_value_get_char (v)\n", fout);

  fputs ("#define g_marshal_value_peek_uchar(v)    g_value_get_uchar (v)\n", fout);

  fputs ("#define g_marshal_value_peek_int(v)      g_value_get_int (v)\n", fout);

  fputs ("#define g_marshal_value_peek_uint(v)     g_value_get_uint (v)\n", fout);

  fputs ("#define g_marshal_value_peek_long(v)     g_value_get_long (v)\n", fout);

  fputs ("#define g_marshal_value_peek_ulong(v)    g_value_get_ulong (v)\n", fout);

  fputs ("#define g_marshal_value_peek_int64(v)    g_value_get_int64 (v)\n", fout);

  fputs ("#define g_marshal_value_peek_uint64(v)   g_value_get_uint64 (v)\n", fout);

  fputs ("#define g_marshal_value_peek_enum(v)     g_value_get_enum (v)\n", fout);

  fputs ("#define g_marshal_value_peek_flags(v)    g_value_get_flags (v)\n", fout);

  fputs ("#define g_marshal_value_peek_float(v)    g_value_get_float (v)\n", fout);

  fputs ("#define g_marshal_value_peek_double(v)   g_value_get_double (v)\n", fout);

  fputs ("#define g_marshal_value_peek_string(v)   (char*) g_value_get_string (v)\n", fout);

  fputs ("#define g_marshal_value_peek_param(v)    g_value_get_param (v)\n", fout);

  fputs ("#define g_marshal_value_peek_boxed(v)    g_value_get_boxed (v)\n", fout);

  fputs ("#define g_marshal_value_peek_pointer(v)  g_value_get_pointer (v)\n", fout);

  fputs ("#define g_marshal_value_peek_object(v)   g_value_get_object (v)\n", fout);

  fputs ("#else /* !G_ENABLE_DEBUG */\n", fout);

  fputs ("/* WARNING: This code accesses GValues directly, which is UNSUPPORTED API.\n", fout);

  fputs (" *          Do not access GValues directly in your code. Instead, use the\n", fout);

  fputs (" *          g_value_get_*() functions\n", fout);

  fputs (" */\n", fout);

  fputs ("#define g_marshal_value_peek_boolean(v)  (v)->data[0].v_int\n", fout);

  fputs ("#define g_marshal_value_peek_char(v)     (v)->data[0].v_int\n", fout);

  fputs ("#define g_marshal_value_peek_uchar(v)    (v)->data[0].v_uint\n", fout);

  fputs ("#define g_marshal_value_peek_int(v)      (v)->data[0].v_int\n", fout);

  fputs ("#define g_marshal_value_peek_uint(v)     (v)->data[0].v_uint\n", fout);

  fputs ("#define g_marshal_value_peek_long(v)     (v)->data[0].v_long\n", fout);

  fputs ("#define g_marshal_value_peek_ulong(v)    (v)->data[0].v_ulong\n", fout);

  fputs ("#define g_marshal_value_peek_int64(v)    (v)->data[0].v_int64\n", fout);

  fputs ("#define g_marshal_value_peek_uint64(v)   (v)->data[0].v_uint64\n", fout);

  fputs ("#define g_marshal_value_peek_enum(v)     (v)->data[0].v_long\n", fout);

  fputs ("#define g_marshal_value_peek_flags(v)    (v)->data[0].v_ulong\n", fout);

  fputs ("#define g_marshal_value_peek_float(v)    (v)->data[0].v_float\n", fout);

  fputs ("#define g_marshal_value_peek_double(v)   (v)->data[0].v_double\n", fout);

  fputs ("#define g_marshal_value_peek_string(v)   (v)->data[0].v_pointer\n", fout);

  fputs ("#define g_marshal_value_peek_param(v)    (v)->data[0].v_pointer\n", fout);

  fputs ("#define g_marshal_value_peek_boxed(v)    (v)->data[0].v_pointer\n", fout);

  fputs ("#define g_marshal_value_peek_pointer(v)  (v)->data[0].v_pointer\n", fout);

  fputs ("#define g_marshal_value_peek_object(v)   (v)->data[0].v_pointer\n", fout);

  fputs ("#endif /* !G_ENABLE_DEBUG */\n", fout);

  fputs ("\n", fout);

}

static gboolean

complete_in_arg (InArgument *iarg)

{

  static const InArgument args[] = {

    /* keyword		sig_name	ctype		getter			*/

    { "VOID",		"VOID",		"void",		NULL,			},

    { "BOOLEAN",	"BOOLEAN",	"gboolean",	"g_marshal_value_peek_boolean",	},

    { "CHAR",		"CHAR",		"gchar",	"g_marshal_value_peek_char",	},

    { "UCHAR",		"UCHAR",	"guchar",	"g_marshal_value_peek_uchar",	},

    { "INT",		"INT",		"gint",		"g_marshal_value_peek_int",	},

    { "UINT",		"UINT",		"guint",	"g_marshal_value_peek_uint",	},

    { "LONG",		"LONG",		"glong",	"g_marshal_value_peek_long",	},

    { "ULONG",		"ULONG",	"gulong",	"g_marshal_value_peek_ulong",	},

    { "INT64",		"INT64",	"gint64",       "g_marshal_value_peek_int64",	},

    { "UINT64",		"UINT64",	"guint64",	"g_marshal_value_peek_uint64",	},

    { "ENUM",		"ENUM",		"gint",		"g_marshal_value_peek_enum",	},

    { "FLAGS",		"FLAGS",	"guint",	"g_marshal_value_peek_flags",	},

    { "FLOAT",		"FLOAT",	"gfloat",	"g_marshal_value_peek_float",	},

    { "DOUBLE",		"DOUBLE",	"gdouble",	"g_marshal_value_peek_double",	},

    { "STRING",		"STRING",	"gpointer",	"g_marshal_value_peek_string",	},

    { "PARAM",		"PARAM",	"gpointer",	"g_marshal_value_peek_param",	},

    { "BOXED",		"BOXED",	"gpointer",	"g_marshal_value_peek_boxed",	},

    { "POINTER",	"POINTER",	"gpointer",	"g_marshal_value_peek_pointer",	},

    { "OBJECT",		"OBJECT",	"gpointer",	"g_marshal_value_peek_object",	},

    /* deprecated: */

    { "NONE",		"VOID",		"void",		NULL,			},

    { "BOOL",		"BOOLEAN",	"gboolean",	"g_marshal_value_peek_boolean",	},

  };

  guint i;

  g_return_val_if_fail (iarg != NULL, FALSE);

  for (i = 0; i < G_N_ELEMENTS (args); i++)

    if (strcmp (args[i].keyword, iarg->keyword) == 0)

      {

	iarg->sig_name = args[i].sig_name;

	iarg->ctype = args[i].ctype;

	iarg->getter = args[i].getter;

	return TRUE;

      }

  return FALSE;

}

static gboolean

complete_out_arg (OutArgument *oarg)

{

  static const OutArgument args[] = {

    /* keyword		sig_name	ctype		setter			*/

    { "VOID",		"VOID",		"void",		NULL,					     },

    { "BOOLEAN",	"BOOLEAN",	"gboolean",	"g_value_set_boolean",			     },

    { "CHAR",		"CHAR",		"gchar",	"g_value_set_char",			     },

    { "UCHAR",		"UCHAR",	"guchar",	"g_value_set_uchar",			     },

    { "INT",		"INT",		"gint",		"g_value_set_int",			     },

    { "UINT",		"UINT",		"guint",	"g_value_set_uint",			     },

    { "LONG",		"LONG",		"glong",	"g_value_set_long",			     },

    { "ULONG",		"ULONG",	"gulong",	"g_value_set_ulong",			     },

    { "INT64",		"INT64",	"gint64",	"g_value_set_int64",			     },

    { "UINT64",		"UINT64",	"guint64",	"g_value_set_uint64",			     },

    { "ENUM",		"ENUM",		"gint",		"g_value_set_enum",			     },

    { "FLAGS",		"FLAGS",	"guint",	"g_value_set_flags",			     },

    { "FLOAT",		"FLOAT",	"gfloat",	"g_value_set_float",			     },

    { "DOUBLE",		"DOUBLE",	"gdouble",	"g_value_set_double",			     },

    { "STRING",		"STRING",	"gchar*",	"g_value_take_string",			     },

    { "PARAM",		"PARAM",	"GParamSpec*",	"g_value_take_param",			     },

    { "BOXED",		"BOXED",	"gpointer",	"g_value_take_boxed",			     },

    { "POINTER",	"POINTER",	"gpointer",	"g_value_set_pointer",			     },

    { "OBJECT",		"OBJECT",	"GObject*",	"g_value_take_object",			     },

    /* deprecated: */

    { "NONE",		"VOID",		"void",		NULL,					     },

    { "BOOL",		"BOOLEAN",	"gboolean",	"g_value_set_boolean",			     },

  };

  guint i;

  g_return_val_if_fail (oarg != NULL, FALSE);

  for (i = 0; i < G_N_ELEMENTS (args); i++)

    if (strcmp (args[i].keyword, oarg->keyword) == 0)

      {

	oarg->sig_name = args[i].sig_name;

	oarg->ctype = args[i].ctype;

	oarg->setter = args[i].setter;

	return TRUE;

      }

  return FALSE;

}

static const gchar*

pad (const gchar *string)

{

#define PAD_LENGTH	12

  static gchar *buffer = NULL;

  gint i;

  g_return_val_if_fail (string != NULL, NULL);

  if (!buffer)

    buffer = g_new (gchar, PAD_LENGTH + 1);

  /* paranoid check */

  if (strlen (string) >= PAD_LENGTH)

    {

      g_free (buffer);

      buffer = g_strdup_printf ("%s ", string);

      g_warning ("overfull string (%u bytes) for padspace",

                 (guint) strlen (string));

      exit_status |= 2;

      return buffer;

    }

  for (i = 0; i < PAD_LENGTH; i++)

    {

      gboolean done = *string == 0;

      buffer[i] = done ? ' ' : *string++;

    }

  buffer[i] = 0;

  return buffer;

}

static const gchar*

indent (guint n_spaces)

{

  static gchar *buffer = NULL;

  static guint blength = 0;

  if (blength <= n_spaces)

    {

      blength = n_spaces + 1;

      g_free (buffer);

      buffer = g_new (gchar, blength);

    }

  memset (buffer, ' ', n_spaces);

  buffer[n_spaces] = 0;

  return buffer;

}

static void

generate_marshal (const gchar *signame,

		  Signature   *sig)

{

  guint ind, a;

  GList *node;

  gchar *tmp = g_strconcat (marshaller_prefix, "_", signame, NULL);

  gboolean have_std_marshaller = FALSE;

  /* here we have to make sure a marshaller named <marshaller_prefix>_<signame>

   * exists. we might have put it out already, can revert to a standard

   * marshaller provided by glib, or need to generate one.

   */

  if (g_hash_table_lookup (marshallers, tmp))

    {

      /* done, marshaller already generated */

      g_free (tmp);

      return;

    }

  else

    {

      /* need to alias/generate marshaller, register name */

      g_hash_table_insert (marshallers, tmp, tmp);

    }

  /* can we revert to a standard marshaller? */

  if (std_includes)

    {

      tmp = g_strconcat (std_marshaller_prefix, "_", signame, NULL);

      have_std_marshaller = g_hash_table_lookup (marshallers, tmp) != NULL;

      g_free (tmp);

    }

  if (gen_cheader && have_std_marshaller)

    {

      g_fprintf (fout, "#define %s_%s\t%s_%s\n", marshaller_prefix, signame, std_marshaller_prefix, signame);

    }

  if (gen_cheader && !have_std_marshaller)

    {

      ind = g_fprintf (fout, gen_internal ? "G_GNUC_INTERNAL " : "extern ");

      ind += g_fprintf (fout, "void ");

      ind += g_fprintf (fout, "%s_%s (", marshaller_prefix, signame);

      g_fprintf (fout,   "GClosure     *closure,\n");

      g_fprintf (fout, "%sGValue       *return_value,\n", indent (ind));

      g_fprintf (fout, "%sguint         n_param_values,\n", indent (ind));

      g_fprintf (fout, "%sconst GValue *param_values,\n", indent (ind));

      g_fprintf (fout, "%sgpointer      invocation_hint,\n", indent (ind));

      g_fprintf (fout, "%sgpointer      marshal_data);\n",

                 indent (ind));

    }

  if (gen_cbody && !have_std_marshaller)

    {

      /* cfile marshal header */

      g_fprintf (fout, "void\n");

      ind = g_fprintf (fout, "%s_%s (", marshaller_prefix, signame);

      g_fprintf (fout,   "GClosure     *closure,\n");

      g_fprintf (fout, "%sGValue       *return_value G_GNUC_UNUSED,\n", indent (ind));

      g_fprintf (fout, "%sguint         n_param_values,\n", indent (ind));

      g_fprintf (fout, "%sconst GValue *param_values,\n", indent (ind));

      g_fprintf (fout, "%sgpointer      invocation_hint G_GNUC_UNUSED,\n", indent (ind));

      g_fprintf (fout, "%sgpointer      marshal_data)\n", indent (ind));

      g_fprintf (fout, "{\n");

      /* cfile GMarshalFunc typedef */

      ind = g_fprintf (fout, "  typedef %s (*GMarshalFunc_%s) (", sig->rarg->ctype, signame);

      g_fprintf (fout, "%s data1,\n", pad ("gpointer"));

      for (a = 1, node = sig->args; node; node = node->next)

	{

	  InArgument *iarg = node->data;

	  if (iarg->getter)

	    g_fprintf (fout, "%s%s arg_%d,\n", indent (ind), pad (iarg->ctype), a++);

	}

      g_fprintf (fout, "%s%s data2);\n", indent (ind), pad ("gpointer"));

      /* cfile marshal variables */

      g_fprintf (fout, "  register GMarshalFunc_%s callback;\n", signame);

      g_fprintf (fout, "  register GCClosure *cc = (GCClosure*) closure;\n");

      g_fprintf (fout, "  register gpointer data1, data2;\n");

      if (sig->rarg->setter)

	g_fprintf (fout, "  %s v_return;\n", sig->rarg->ctype);

      if (sig->args || sig->rarg->setter)

	{

	  g_fprintf (fout, "\n");

	  if (sig->rarg->setter)

	    g_fprintf (fout, "  g_return_if_fail (return_value != NULL);\n");

	  if (sig->args)

	    {

	      for (a = 0, node = sig->args; node; node = node->next)

		{

		  InArgument *iarg = node->data;

		  if (iarg->getter)

		    a++;

		}

	      g_fprintf (fout, "  g_return_if_fail (n_param_values == %u);\n", 1 + a);

	    }

	}

      /* cfile marshal data1, data2 and callback setup */

      g_fprintf (fout, "\n");

      g_fprintf (fout, "  if (G_CCLOSURE_SWAP_DATA (closure))\n    {\n");

      g_fprintf (fout, "      data1 = closure->data;\n");

      g_fprintf (fout, "      data2 = g_value_peek_pointer (param_values + 0);\n");

      g_fprintf (fout, "    }\n  else\n    {\n");

      g_fprintf (fout, "      data1 = g_value_peek_pointer (param_values + 0);\n");

      g_fprintf (fout, "      data2 = closure->data;\n");

      g_fprintf (fout, "    }\n");

      g_fprintf (fout, "  callback = (GMarshalFunc_%s) (marshal_data ? marshal_data : cc->callback);\n", signame);

      /* cfile marshal callback action */

      g_fprintf (fout, "\n");

      ind = g_fprintf (fout, " %s callback (", sig->rarg->setter ? " v_return =" : "");

      g_fprintf (fout, "data1,\n");

      for (a = 1, node = sig->args; node; node = node->next)

	{

	  InArgument *iarg = node->data;

	  if (iarg->getter)

	    g_fprintf (fout, "%s%s (param_values + %d),\n", indent (ind), iarg->getter, a++);

	}

      g_fprintf (fout, "%sdata2);\n", indent (ind));

      /* cfile marshal return value storage */

      if (sig->rarg->setter)

	{

	  g_fprintf (fout, "\n");

	  g_fprintf (fout, "  %s (return_value, v_return);\n", sig->rarg->setter);

	}

      /* cfile marshal footer */

      g_fprintf (fout, "}\n");

    }

}

static void

process_signature (Signature *sig)

{

  gchar *pname, *sname, *tmp;

  GList *node;

  /* lookup and complete info on arguments */

  if (!complete_out_arg (sig->rarg))

    {

      g_warning ("unknown type: %s", sig->rarg->keyword);

      exit_status |= 1;

      return;

    }

  for (node = sig->args; node; node = node->next)

    {

      InArgument *iarg = node->data;

      if (!complete_in_arg (iarg))

	{

	  g_warning ("unknown type: %s", iarg->keyword);

          exit_status |= 1;

	  return;

	}

    }

  /* construct requested marshaller name and technical marshaller name */

  pname = g_strconcat (sig->rarg->keyword, "_", NULL);

  sname = g_strconcat (sig->rarg->sig_name, "_", NULL);

  for (node = sig->args; node; node = node->next)

    {

      InArgument *iarg = node->data;

      gchar *tmp;

      tmp = sname;

      sname = g_strconcat (tmp, "_", iarg->sig_name, NULL);

      g_free (tmp);

      tmp = pname;

      pname = g_strconcat (tmp, "_", iarg->keyword, NULL);

      g_free (tmp);

    }

  /* introductionary comment */

  g_fprintf (fout, "\n/* %s", sig->rarg->keyword);

  for (node = sig->args; node; node = node->next)

    {

      InArgument *iarg = node->data;

      g_fprintf (fout, "%c%s", node->prev ? ',' : ':', iarg->keyword);

    }

  if (!skip_ploc)

    g_fprintf (fout, " (%s)", sig->ploc);

  g_fprintf (fout, " */\n");

  /* ensure technical marshaller exists (<marshaller_prefix>_<sname>) */

  generate_marshal (sname, sig);

  /* put out marshaller alias for requested name if required (<marshaller_prefix>_<pname>) */

  tmp = g_strconcat (marshaller_prefix, "_", pname, NULL);

  if (gen_cheader && !g_hash_table_lookup (marshallers, tmp))

    {

      g_fprintf (fout, "#define %s_%s\t%s_%s\n", marshaller_prefix, pname, marshaller_prefix, sname);

      g_hash_table_insert (marshallers, tmp, tmp);

    }

  else

    g_free (tmp);

  g_free (pname);

  g_free (sname);

}

static InArgument*

new_in_arg (const gchar *pname)

{

  InArgument *iarg = g_new0 (InArgument, 1);

  iarg->keyword = g_strdup (pname);

  return iarg;

}

static OutArgument*

new_out_arg (const gchar *pname)

{

  OutArgument *oarg = g_new0 (OutArgument, 1);

  oarg->keyword = g_strdup (pname);

  return oarg;

}

static guint

parse_line (GScanner  *scanner,

	    Signature *sig)

{

  /* parse identifier for return value */

  if (g_scanner_get_next_token (scanner) != G_TOKEN_IDENTIFIER)

    return G_TOKEN_IDENTIFIER;

  sig->rarg = new_out_arg (scanner->value.v_identifier);

  /* keep a note on the location */

  sig->ploc = g_strdup_printf ("%s:%u", scanner->input_name, scanner->line);

  /* expect ':' */

  if (g_scanner_get_next_token (scanner) != ':')

    return ':';

  /* parse first argument */

  if (g_scanner_get_next_token (scanner) != G_TOKEN_IDENTIFIER)

    return G_TOKEN_IDENTIFIER;

  sig->args = g_list_append (sig->args, new_in_arg (scanner->value.v_identifier));

  /* parse rest of argument list */

  while (g_scanner_peek_next_token (scanner) == ',')

    {

      /* eat comma */

      g_scanner_get_next_token (scanner);

      /* parse arg identifier */

      if (g_scanner_get_next_token (scanner) != G_TOKEN_IDENTIFIER)

	return G_TOKEN_IDENTIFIER;

      sig->args = g_list_append (sig->args, new_in_arg (scanner->value.v_identifier));

    }

  /* expect end of line, done */

  if (g_scanner_get_next_token (scanner) != '\n')

    return '\n';

  /* success */

  return G_TOKEN_NONE;

}

static gboolean

string_key_destroy (gpointer key,

		    gpointer value,

		    gpointer user_data)

{

  g_free (key);

  return TRUE;

}

int

main (int   argc,

      char *argv[])

{

  const gchar *gobject_marshallers[] = {

#include	"gmarshal.strings"

  };

  GScanner *scanner;

  GSList *slist, *files = NULL;

  gint i;

#ifdef __SYMBIAN32__

  gint fd1;

  g_log_set_handler (NULL,  G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_MESSAGE | G_LOG_LEVEL_INFO | G_LOG_LEVEL_DEBUG, &mrtLogHandler, NULL);

  g_set_print_handler(mrtPrintHandler);

  #endif /*__SYMBIAN32__*/

  /* parse args and do fast exits */

  parse_args (&argc, &argv);

  /* list input files */

  for (i = 1; i < argc; i++)

    files = g_slist_prepend (files, argv[i]);

  if (files)

    files = g_slist_reverse (files);

  else

#ifdef __SYMBIAN32__

	fd1 = open("c:\\genmarshaltest.txt", O_CREAT, 0666);

	close(fd1);

	files = g_slist_prepend (files, "c:\\genmarshaltest.txt");

#else

    files = g_slist_prepend (files, "/dev/stdin");

#endif//__SYMBIAN32__

  /* setup auxillary structs */

  scanner = g_scanner_new (&scanner_config_template);

  fout = stdout;

  marshallers = g_hash_table_new (g_str_hash, g_str_equal);

  /* add standard marshallers of the GObject library */

  if (std_includes)

    for (i = 0; i < G_N_ELEMENTS (gobject_marshallers); i++)

      {

	gchar *tmp = g_strdup (gobject_marshallers[i]);

	g_hash_table_insert (marshallers, tmp, tmp);

      }

  /* put out initial heading */

  g_fprintf (fout, "\n");

  if (gen_cheader && std_includes)

    {

      g_fprintf (fout, "#ifndef __%s_MARSHAL_H__\n", marshaller_prefix);

      g_fprintf (fout, "#define __%s_MARSHAL_H__\n\n", marshaller_prefix);

    }

  if ((gen_cheader || gen_cbody) && std_includes)

    g_fprintf (fout, "#include\t<glib-object.h>\n\n");

  if (gen_cheader)

    g_fprintf (fout, "G_BEGIN_DECLS\n");

  /* generate necessary preprocessor directives */

  if (gen_cbody)

    put_marshal_value_getters ();

  /* process input files */

  for (slist = files; slist; slist = slist->next)

    {

      gchar *file = slist->data;

      gint fd;

#ifdef __SYMBIAN32__

      if (strcmp (file, "c:\\genmarshaltest.txt") == 0)

#else      

      if (strcmp (file, "/dev/stdin") == 0)    	  

	/* Mostly for Win32. This is equivalent to opening /dev/stdin */

	fd = dup (0);

      else

#endif//__SYMBIAN32__    	  

	fd = open (file, O_RDONLY);

      if (fd < 0)

	{

	  g_warning ("failed to open \"%s\": %s", file, g_strerror (errno));

	  exit_status |= 1;

	  continue;

	}

      /* set file name for error reports */

      scanner->input_name = file;

      /* parse & process file */

      g_scanner_input_file (scanner, fd);

      /* scanning loop, we parse the input until its end is reached,

       * or our sub routine came across invalid syntax

       */

      do

	{

	  guint expected_token = G_TOKEN_NONE;

	  switch (g_scanner_peek_next_token (scanner))

	    {

	    case '\n':

	      /* eat newline and restart */

	      g_scanner_get_next_token (scanner);

	      continue;

	    case G_TOKEN_EOF:

	      /* done */

	      break;

	    default:

	      /* parse and process signatures */

	      {

		Signature signature = { NULL, NULL, NULL };

		GList *node;

		expected_token = parse_line (scanner, &signature);

		/* once we got a valid signature, process it */

		if (expected_token == G_TOKEN_NONE)

		  process_signature (&signature);

		/* clean up signature contents */

		g_free (signature.ploc);

		if (signature.rarg)

		  g_free (signature.rarg->keyword);

		g_free (signature.rarg);

		for (node = signature.args; node; node = node->next)

		  {

		    InArgument *iarg = node->data;

		    g_free (iarg->keyword);

		    g_free (iarg);

		  }

		g_list_free (signature.args);

	      }

	      break;

	    }

	  /* bail out on errors */

	  if (expected_token != G_TOKEN_NONE)

	    {

	      g_scanner_unexp_token (scanner, expected_token, "type name", NULL, NULL, NULL, TRUE);

	      exit_status |= 1;

	      break;

	    }

	  g_scanner_peek_next_token (scanner);

	}

      while (scanner->next_token != G_TOKEN_EOF);

      close (fd);

    }

  /* put out trailer */

  if (gen_cheader)

    {

      g_fprintf (fout, "\nG_END_DECLS\n");

      if (std_includes)

	g_fprintf (fout, "\n#endif /* __%s_MARSHAL_H__ */\n", marshaller_prefix);

    }

  g_fprintf (fout, "\n");

  /* clean up */

  g_slist_free (files);

  g_scanner_destroy (scanner);

  g_hash_table_foreach_remove (marshallers, string_key_destroy, NULL);

  g_hash_table_destroy (marshallers);

#ifdef __SYMBIAN32__

  testResultXml("glib-genmarshall");

  remove("c:\\genmarshaltest.txt");

#endif /* EMULATOR */

  return exit_status;

}

static void

parse_args (gint    *argc_p,

	    gchar ***argv_p)

{

  guint argc = *argc_p;

  gchar **argv = *argv_p;

  guint i, e;

  for (i = 1; i < argc; i++)

    {

      if (strcmp ("-header", argv[i]) == 0)

	{

	  gen_cheader = TRUE;

	  argv[i] = NULL;

	}

      else if (strcmp ("-body", argv[i]) == 0)

	{

	  gen_cbody = TRUE;

	  argv[i] = NULL;

	}

      else if (strcmp ("-skip-source", argv[i]) == 0)

	{

	  skip_ploc = TRUE;

	  argv[i] = NULL;

	}

      else if (strcmp ("-nostdinc", argv[i]) == 0)

	{

	  std_includes = FALSE;

	  argv[i] = NULL;

	}

      else if (strcmp ("-stdinc", argv[i]) == 0)

	{

	  std_includes = TRUE;

	  argv[i] = NULL;

	}

      else if (strcmp ("-internal", argv[i]) == 0)

	{

	  gen_internal = TRUE;

	  argv[i] = NULL;

	}

      else if ((strcmp ("-prefix", argv[i]) == 0) ||

	       (strncmp ("-prefix=", argv[i], 9) == 0))

	{

          gchar *equal = argv[i] + 8;

	  if (*equal == '=')

	    marshaller_prefix = g_strdup (equal + 1);

	  else if (i + 1 < argc)

	    {

	      marshaller_prefix = g_strdup (argv[i + 1]);

	      argv[i] = NULL;

	      i += 1;

	    }

	  argv[i] = NULL;

	}

      else if (strcmp ("-h", argv[i]) == 0 ||

          strcmp ("-?", argv[i]) == 0 ||

	  strcmp ("-help", argv[i]) == 0)

	{

	  print_blurb (stderr, TRUE);

	  argv[i] = NULL;

	  exit (0);

	}

      else if (strcmp ("-v", argv[i]) == 0 ||

	       strcmp ("-version", argv[i]) == 0)

	{

	  print_blurb (stderr, FALSE);

	  argv[i] = NULL;

	  exit (0);

	}

      else if (strcmp (argv[i], "-g-fatal-warnings") == 0)

	{

	  GLogLevelFlags fatal_mask;

	  fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);

	  fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;

	  g_log_set_always_fatal (fatal_mask);

	  argv[i] = NULL;

	}

    }

  e = 0;

  for (i = 1; i < argc; i++)

    {

      if (e)

	{

	  if (argv[i])

	    {

	      argv[e++] = argv[i];

	      argv[i] = NULL;

	    }

	}

      else if (!argv[i])

	e = i;

    }

  if (e)

    *argc_p = e;

}

static void

print_blurb (FILE    *bout,

	     gboolean print_help)

{

  if (!print_help)

    {

      g_fprintf (bout, "%s version ", PRG_NAME);

      g_fprintf (bout, "%u.%u.%u", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);

      g_fprintf (bout, "\n");

      g_fprintf (bout, "%s comes with ABSOLUTELY NO WARRANTY.\n", PRG_NAME);

      g_fprintf (bout, "You may redistribute copies of %s under the terms of\n", PRG_NAME);

      g_fprintf (bout, "the GNU General Public License which can be found in the\n");

      g_fprintf (bout, "%s source package. Sources, examples and contact\n", PKG_NAME);

      g_fprintf (bout, "information are available at %s\n", PKG_HTTP_HOME);

    }

  else

    {

      g_fprintf (bout, "Usage:\n");

      g_fprintf (bout, "  %s [OPTION...] [FILES...]\n\n", PRG_NAME);

      g_fprintf (bout, "Help Options:\n");

      g_fprintf (bout, "  -h, -help                 Show this help message\n\n");

      g_fprintf (bout, "Utility Options:\n");

      g_fprintf (bout, "  -header                   Generate C headers\n");

      g_fprintf (bout, "  -body                     Generate C code\n");

      g_fprintf (bout, "  -prefix=string            Specify marshaller prefix\n");

      g_fprintf (bout, "  -skip-source              Skip source location comments\n");

      g_fprintf (bout, "  -stdinc, -nostdinc       Include/use standard marshallers\n");

      g_fprintf (bout, "  -internal                 Mark generated functions as internal\n");

      g_fprintf (bout, "  -v, -version              Print version informations\n");

      g_fprintf (bout, "  -g-fatal-warnings         Make warnings fatal (abort)\n");

    }

}