/* GOB C Preprocessor
 * Copyright (C) 1999,2000 the Free Software Foundation.
 * Copyright (C) 2000 Eazel, Inc.
 *
 * Author: George Lebl
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the  Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 * USA.
 */

#include "config.h"
#include <glib.h>
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>

#include "treefuncs.h"
#include "parse.h"
#include "out.h"
#include "util.h"
#include "checks.h"

#include "main.h"

char *filename = NULL;

int yyparse(void);

extern int yydebug;
extern FILE * yyin;
extern Node *class;
extern GList *nodes;

extern GList *include_files;

extern GHashTable *gtk_doc_hash;

char *filebase;
static char *funcbase;
static char *pfuncbase;
static char *macrobase;
static char *macrois;
static char *macrotype;
static char *typebase;
static char *ptypebase;

static int signals = 0; /* number of signals */
static int arguments = 0; /* number of named arguments */
static int overrides = 0; /* number of override methods */
static int privates = 0; /* number of private data members */
static int protecteds = 0; /* number of protected methods */
static int destructors = 0; /* number of variable destructors */
static int initializers = 0; /* number of variable initializers */

static gboolean made_aliases = FALSE;  /* if we made any shorthand aliases
					  and need the REALLY UGLY HACK to
					  avoid warnings */

/* the special variable types we need to define */
static gboolean special_array[SPECIAL_LAST] = {0};
static gboolean any_special = FALSE;

static gboolean need_destroy = FALSE;
static Method * destroy_handler = NULL;

static gboolean need_finalize = FALSE;
static Method * finalize_handler = NULL;

FILE *out = NULL;
FILE *outh = NULL;
FILE *outph = NULL;
FILE *devnull = NULL;

gboolean no_touch_headers = FALSE;
gboolean for_cpp = FALSE;
gboolean no_gnu = FALSE;
gboolean exit_on_warn = FALSE;
gboolean exit_on_error = TRUE;
gboolean got_error = FALSE;
gint private_header = PRIVATE_HEADER_ALWAYS;
gboolean no_extern_c = FALSE;
gboolean no_write = FALSE;
gboolean no_lines = FALSE;
gboolean no_self_alias = FALSE;
gboolean no_kill_underscores = FALSE;

int method_unique_id = 1;

static void
make_bases(void)
{
	filebase = replace_sep(((Class *)class)->otype, '-');
	g_strdown(filebase);

	funcbase = replace_sep(((Class *)class)->otype, '_');
	g_strdown(funcbase);

	pfuncbase = replace_sep(((Class *)class)->ptype, '_');
	g_strdown(pfuncbase);

	macrobase = replace_sep(((Class *)class)->otype, '_');
	g_strup(macrobase);
	
	macrois = make_pre_macro(((Class *)class)->otype, "IS");
	macrotype = make_pre_macro(((Class *)class)->otype, "TYPE");

	typebase = remove_sep(((Class *)class)->otype);

	ptypebase = remove_sep(((Class *)class)->ptype);
}

static char *
get_type(Type *t, gboolean postfix_to_stars)
{
	char *s;
	int i;
	int extra;
	GString *gs;

	s = remove_sep(t->name);
	gs = g_string_new(s);
	g_free(s);

	extra = 0;
	if(postfix_to_stars) {
		char *p;
		/*XXX: this is ugly perhaps we can do this whole postfix thing
		  in a nicer way, we just count the number of '[' s and from
		  that we deduce the number of dimensions, so that we can print
		  that many stars */
		for(p=t->postfix; p && *p; p++)
			if(*p == '[') extra++;
	}
	g_string_append_c(gs, ' ');
	
	for(i=0; i<(t->stars+extra); i++)
		g_string_append_c(gs, '*');

	s = gs->str;
	g_string_free(gs, FALSE);
	return s;
}

static char *
get_gtk_doc(char *id)
{
	char *val, *s;

	if(!gtk_doc_hash)
		return NULL;

	val = g_hash_table_lookup(gtk_doc_hash, id);
	if(val)
		return g_strdup_printf("/**\n * %s_%s:\n%s **/\n",
				       funcbase, get_real_id(id), val);
	s = g_strconcat(funcbase, "_", get_real_id(id), NULL);
	val = g_hash_table_lookup(gtk_doc_hash, s);
	g_free(s);
	if(val)
		return g_strdup_printf("/**\n * %s_%s:\n%s **/\n",
				       funcbase, get_real_id(id), val);
	return NULL;
}

static void
print_type(FILE *fp, Type *t, gboolean postfix_to_stars)
{
	char *s;

	s = get_type(t, postfix_to_stars);
	out_printf(fp, "%s", s); 
	g_free(s);
}


static void
print_method(FILE *fp, char *typeprefix, char *nameprefix,
	     char *subnameprefix,
	     char *namepostfix, char *postfix, Method *m,
	     gboolean one_arg_per_line,
	     gboolean no_funcbase,
	     gboolean kill_underscore)
{
	GList *li;
	char *id;

	out_printf(fp, "%s", typeprefix); 
	print_type(fp, m->mtype, TRUE);

	if(kill_underscore)
		id = get_real_id(m->id);
	else
		id = m->id;

	if(no_funcbase)
		out_printf(fp, "%s%s%s%s(",
			   nameprefix, subnameprefix, id, namepostfix); 
	else
		out_printf(fp, "%s%s_%s%s%s(",
			   nameprefix, funcbase, subnameprefix, id,
			   namepostfix); 
	
	if(m->args) {
		for(li=m->args; li; li=g_list_next(li)) {
			FuncArg *arg = li->data;
			print_type(fp, arg->atype, FALSE);
			if(li->next)
				out_printf(fp, "%s%s,%s", arg->name,
					   arg->atype->postfix?
					   arg->atype->postfix:"",
					   one_arg_per_line?"\n\t\t\t\t\t":" ");
			else
				out_printf(fp, "%s%s", arg->name,
					   arg->atype->postfix?
					   arg->atype->postfix:""); 
		}
		if(m->vararg)
			out_printf(fp, ",%s...",
				   one_arg_per_line?"\n\t\t\t\t\t":" "); 
	} else {
		out_printf(fp, "void"); 
	}
	out_printf(fp, ")%s", postfix); 
}

static gboolean
any_method_to_alias(Class *c)
{
	GList *li;
	
	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == METHOD_NODE) {
			Method *m = (Method *)node;
			
			if(m->method == INIT_METHOD ||
			   m->method == CLASS_INIT_METHOD ||
			   m->method == OVERRIDE_METHOD)
				continue;

			return TRUE;
		}
	}
	return FALSE;
}


static void
make_method_gnu_aliases(Class *c)
{
	GList *li;
	
	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == METHOD_NODE) {
			Method *m = (Method *)node;
			
			if(m->method == INIT_METHOD ||
			   m->method == CLASS_INIT_METHOD ||
			   m->method == OVERRIDE_METHOD)
				continue;

			/* in C++ mode don't alias new */
			if(for_cpp && strcmp(m->id, "new")==0)
				continue;

			out_printf(out, "static const typeof(&%s_%s) %s "
				   "__attribute__ ((__unused__)) "
				   "= %s_%s;\n", funcbase, get_real_id(m->id),
				   m->id, funcbase, get_real_id(m->id));
			out_printf(out, "#define %s(args...) "
				   "%s_%s(##args)\n", m->id,
				   funcbase, get_real_id(m->id));
		}
	}
}

static void
make_method_nongnu_aliases(Class *c)
{
	GList *li;
	
	for(li=c->nodes; li; li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == METHOD_NODE) {
			Method *m = (Method *)node;
			
			if(m->method == INIT_METHOD ||
			   m->method == CLASS_INIT_METHOD ||
			   m->method == OVERRIDE_METHOD)
				continue;

			/* in C++ mode don't alias new */
			if(for_cpp && strcmp(m->id, "new")==0)
				continue;

			print_method(out, "static ", "(* ", "", ") ", "",
				     m, FALSE, TRUE, FALSE);
			out_printf(out, " = %s_%s;\n", funcbase,
				   get_real_id(m->id));

			made_aliases = TRUE;
		}
	}
}

static void
add_bad_hack_to_avoid_unused_warnings(Class *c)
{
	GList *li;

	/* if we haven't had any methods, just return */
	if(!made_aliases)
		return;
	
	if(!no_gnu)
		out_printf(out, "\n\n#ifndef __GNUC__\n");
	out_printf(out,
		   "/*REALLY BAD HACK\n"
		   "  This is to avoid unused warnings if you don't call\n"
		   "  some method.  I need to find a better way to do\n"
		   "  this, not needed in GCC since we use some gcc\n"
		   "  extentions to make saner, faster code */\n"
		   "static void\n"
		   "___%s_really_bad_hack_to_avoid_warnings(void)\n"
		   "{\n", funcbase);
	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == METHOD_NODE) {
			Method *m = (Method *)node;
			
			if(m->method == INIT_METHOD ||
			   m->method == CLASS_INIT_METHOD ||
			   m->method == OVERRIDE_METHOD)
				continue;

			/* in C++ mode we don't alias new */
			if(for_cpp && strcmp(m->id, "new")==0)
				continue;

			out_printf(out, "\t((void (*)(void))%s)();\n", m->id);
		}
	}
	out_printf(out, "\t___%s_really_bad_hack_to_avoid_warnings();\n",
		   funcbase);
	if(!no_gnu)
		out_printf(out, "}\n#endif /* __GNUC__ */\n\n");
	else
		out_printf(out, "}\n\n");
}

static void
put_variable(Variable *v, FILE *fp)
{
	out_printf(fp, "\t");
	print_type(fp, v->vtype, FALSE);
	out_printf(fp, "%s%s;", v->id,
		   v->vtype->postfix?
		   v->vtype->postfix:""); 
	if(v->scope == PROTECTED_SCOPE)
		out_printf(fp, " /* protected */");
	out_printf(fp, "\n");
}

static void
put_vs_method(Method *m)
{
	if(m->method != SIGNAL_LAST_METHOD &&
	   m->method != SIGNAL_FIRST_METHOD &&
	   m->method != VIRTUAL_METHOD)
		return;

	/* if a signal mark it as such */
	if(m->method != VIRTUAL_METHOD)
		print_method(outh, "\t/*signal*/", "(* ", "", ") ", ";\n",
			     m, FALSE, TRUE, TRUE);
	else
		print_method(outh, "\t", "(* ", "", ") ", ";\n",
			     m, FALSE, TRUE, TRUE);
}

static void
put_pub_method(Method *m)
{
	if(m->scope != PUBLIC_SCOPE)
		return;

	print_method(outh, "", "\t", "", "\t", ";\n", m, TRUE, FALSE, TRUE);
}

/* I'm starting not to like this idea */
#if 0
static void
put_signal_connect(Method *m)
{
	if(m->method != SIGNAL_LAST_METHOD &&
	   m->method != SIGNAL_FIRST_METHOD)
		return;

	out_printf(outh, "guint \t%s_%s__connect_full\t(%s *object,\n"
		   "\t\t\t\t\tconst char *name,\n"
		   "\t\t\t\t\tGtkSignalFunc func,\n"
		   "\t\t\t\t\tGtkCallbackMarshal marshal,\n"
		   "\t\t\t\t\tgpointer data,\n"
		   "\t\t\t\t\tGtkDestroyNotify destroy_func,\n"
		   "\t\t\t\t\tgboolean object_signal,\n"
		   "\t\t\t\t\tgboolean after);\n",
		   funcbase, m->id, typebase);

	out_printf(outh, "#define %s_%s__connect(object,name,func,data) "
		   "%s_%s__connect_full((object),(name),(func),NULL,"
		   "(data),NULL,FALSE,FALSE)\n",
		   funcbase, m->id, funcbase, m->id);
	out_printf(outh, "#define %s_%s__connect_after(object,name,func,data) "
		   "%s__connect_%s_full((object),(name),(func),NULL,"
		   "(data),NULL,FALSE,TRUE)\n",
		   funcbase, m->id, funcbase, m->id);

	out_printf(outh, "guint \t%s_%s__connect_while_alive\t(%s *object,\n"
		   "\t\t\t\t\tconst char *name,\n"
		   "\t\t\t\t\tGtkSignalFunc func,\n"
		   "\t\t\t\t\tgpointer data,\n"
		   "\t\t\t\t\tGtkObject *alive_object);\n\n",
		   funcbase, m->id, typebase);
}
#endif


static void
put_prot_method(Method *m)
{
	if(m->scope != PROTECTED_SCOPE)
		return;

	if(outph)
		print_method(outph, "", "\t", "", "\t", ";\n",
			     m, FALSE, FALSE, TRUE);
	else
		print_method(out, "", "\t", "", "\t", ";\n",
			     m, FALSE, FALSE, TRUE);
}

static void
put_priv_method_prot(Method *m)
{
	if(m->method == SIGNAL_LAST_METHOD ||
	   m->method == SIGNAL_FIRST_METHOD ||
	   m->method == VIRTUAL_METHOD) {
		if(m->cbuf)
			print_method(out,
				     "static ", "___real_", "", " ", ";\n",
				     m, FALSE, FALSE, TRUE);
	}
	/* no else, here, it might still have a private prototype, it's not
	 * exclusive */

	if((m->method == OVERRIDE_METHOD &&
	    m->cbuf)) {
		/* add unique ID */
		char *s = g_strdup_printf("___%x_", (guint)m->unique_id);
		print_method(out, "static ", s, "", " ",
			     no_gnu?";\n":" G_GNUC_UNUSED;\n",
			     m, FALSE, FALSE, FALSE);
		g_free(s);
	} else if(m->scope == PRIVATE_SCOPE ||
	   m->method == INIT_METHOD ||
	   m->method == CLASS_INIT_METHOD)
		print_method(out, "static ", "", "", " ",
			     no_gnu?";\n":" G_GNUC_UNUSED;\n",
			     m, FALSE, FALSE, TRUE);
}

static GList *
make_func_arg(char *typename, int is_class, char *name)
{
	Node *node;
	Node *type;
	char *tn;
	
	if(is_class)
		tn = g_strconcat(typename, ":Class", NULL);
	else
		tn = g_strdup(typename);

	type = new_type(1, tn, NULL);
	node = new_funcarg((Type *)type, name, NULL);
	return g_list_prepend(NULL, node);
}

static void
make_inits(Class *cl)
{
	int got_class_init = FALSE;
	int got_init = FALSE;
	GList *li;
	Node *node;
	for(li=cl->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		if(n->type == METHOD_NODE) {
			Method *m = (Method *)n;
			if(m->method == INIT_METHOD) {
				if(got_init)
					print_error(FALSE, "init defined more then once", m->line_no);
				got_init = TRUE;
			} else if(m->method == CLASS_INIT_METHOD) {
				if(got_class_init)
					print_error(FALSE, "class_init defined more then once", m->line_no);
				got_class_init = TRUE;
			}
		}
	}
	if(!got_class_init) {
		node = new_method(NO_SCOPE, CLASS_INIT_METHOD,
				  (Type *)new_type(0, g_strdup("void"), NULL),
				  NULL, NULL, NULL, g_strdup("class_init"),
				  make_func_arg(cl->otype, TRUE, g_strdup("c")),
				  NULL, NULL, NULL, 0, 0, FALSE,
				  method_unique_id++);
		cl->nodes = g_list_prepend(cl->nodes, node);
	}
	if(!got_init) {
		node = new_method(NO_SCOPE, INIT_METHOD,
				  (Type *)new_type(0, g_strdup("void"), NULL),
				  NULL, NULL, NULL, g_strdup("init"),
				  make_func_arg(cl->otype, FALSE, g_strdup("o")),
				  NULL, NULL, NULL, 0, 0, FALSE,
				  method_unique_id++);
		cl->nodes = g_list_prepend(cl->nodes, node);
	}
}

static void
find_destroy(Class *cl)
{
	GList *li;
	Node *node;

	destroy_handler = NULL;
	for(li=cl->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		if(n->type == METHOD_NODE) {
			Method *m = (Method *)n;
			if(m->method == OVERRIDE_METHOD &&
			   strcmp(m->id, "destroy")==0) {
				if(strcmp(m->otype, "Gtk:Object") != 0) {
					print_error(FALSE,
						    "destroy method override "
						    "of class other then "
						    "Gtk:Object",
						    m->line_no);
				}
				if(g_list_length(m->args) != 1) {
					print_error(FALSE,
						    "destroy method override "
						    "with more then one "
						    "parameter",
						    m->line_no);
				}
				destroy_handler = m;
				break;
			}
		}
	}
}

static void
find_finalize(Class *cl)
{
	GList *li;
	Node *node;

	finalize_handler = NULL;
	for(li=cl->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		if(n->type == METHOD_NODE) {
			Method *m = (Method *)n;
			if(m->method == OVERRIDE_METHOD &&
			   strcmp(m->id, "finalize")==0) {
				if(strcmp(m->otype, "Gtk:Object") != 0) {
					print_error(FALSE,
						    "finalize method override "
						    "of class other then "
						    "Gtk:Object",
						    m->line_no);
				}
				if(g_list_length(m->args) != 1) {
					print_error(FALSE,
						    "finalize method override "
						    "with more then one "
						    "parameter",
						    m->line_no);
				}
				finalize_handler = m;
				break;
			}
		}
	}
}


/* hash of method -> name of signal prototype */
static GHashTable *marsh = NULL;

/* list of methods with different signal prototypes,
   we check this list if we can use a signal prototype of a
   previous signal method, there are only uniques here */
static GList *eq_signal_methods = NULL;

/* compare a list of strings */
static gboolean
is_list_equal(GList *a, GList *b)
{
	for(;a && b; a=a->next, b=b->next) {
		if(strcmp(a->data, b->data)!=0) {
			return FALSE;
		}
	}
	/* the the lists were different length */
	if(a || b)
		return FALSE;
	return TRUE;
}

static Method *
find_same_type_signal(Method *m)
{
	GList *li;
	for(li=eq_signal_methods;li;li=li->next) {
		Method *mm = li->data;
		if(is_list_equal(mm->gtktypes, m->gtktypes))
			return mm;
	}
	return NULL;
}

static void
print_signal_marsal_args(Method *m)
{
	if(strcmp(m->gtktypes->next->data, "NONE")!=0) {
		GList *li;
		int i;
		for(i=0, li=m->gtktypes->next;li;
		    i++, li=g_list_next(li)) {
			if(!for_cpp)
				out_printf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
					   (char *)li->data, i);
			else {
				out_printf(out, ",\n\t\t(%s)"
					   "GTK_VALUE_%s(args[%d])",
					   get_cast(li->data, FALSE),
					   (char *)li->data, i);
			}
		}
	}
	out_printf(out, ",\n\t\tfunc_data);\n}\n\n");
}


static void
add_signal_prots(Method *m)
{
	GList *li;
	static int sig = 1;
	char *s;
	Method *mm;
	
	if(m->method != SIGNAL_LAST_METHOD &&
	   m->method != SIGNAL_FIRST_METHOD)
		return;

	if(!marsh)
		marsh = g_hash_table_new(NULL, NULL);
	
	if(strcmp(m->gtktypes->data, "NONE")==0 &&
	   strcmp(m->gtktypes->next->data, "NONE")==0)
		return;

	/* if we already did a signal prototype just use that */
	mm = find_same_type_signal(m);
	if(mm) {
		s = g_hash_table_lookup(marsh, mm);
		g_hash_table_insert(marsh, m, s);
		return;
	}
	
	s = g_strdup_printf("Sig%d", sig++);
	
	g_hash_table_insert(marsh, m, s);
	eq_signal_methods = g_list_prepend(eq_signal_methods, m);
	
	/* we know that we'll know all the gtktypes (so get_cast can't fail) */
	out_printf(out, "\ntypedef %s (*___%s) (%s *, ",
		   get_cast(m->gtktypes->data, FALSE), s, typebase);
	
	if(strcmp(m->gtktypes->next->data, "NONE")!=0) {
		for(li=m->gtktypes->next; li; li=g_list_next(li))
			out_printf(out, "%s, ", get_cast(li->data, FALSE));
	}
	out_printf(out, "gpointer);\n"); 
	
	out_printf(out, "\nstatic void\n"
		"___marshal_%s (GtkObject * object,\n"
		"\tGtkSignalFunc func,\n"
		"\tgpointer func_data,\n"
		"\tGtkArg * args)\n"
		"{\n", s);
	
	if(strcmp(m->gtktypes->data, "NONE")==0) {
		out_printf(out, "\t___%s rfunc;\n\n"
			"\trfunc = (___%s)func;\n\n"
			"\t(*rfunc)((%s *)object", s, s, typebase);
	} else {
		const char *retcast = get_cast(m->gtktypes->data, FALSE);
		out_printf(out,
			   "\t___%s rfunc;\n\t"
			   "%s *retval;\n\n"
			   "\trfunc = (___%s)func;\n\n"
			   "\tretval = GTK_RETLOC_%s(args[%d]);\n\n"
			   "\t*retval = (*rfunc)((%s *)object",
			   s, retcast, s, (char *)m->gtktypes->data,
			   g_list_length(m->gtktypes)-1, typebase);
	}
	print_signal_marsal_args(m);

}

static void
add_enums(Class *c)
{
	GList *li;
	out_printf(out, "\n");
	if(signals>0) {
		out_printf(out, "enum {\n");
		for(li=c->nodes;li;li=g_list_next(li)) {
			Node *n = li->data;
			if(n->type == METHOD_NODE) {
				Method *m = (Method *)n;
				if(m->method == SIGNAL_LAST_METHOD ||
				   m->method == SIGNAL_FIRST_METHOD) {
					char *s = g_strdup(get_real_id(m->id));
					g_strup(s);
					out_printf(out, "\t%s_SIGNAL,\n", s);
					g_free(s);
				}
			}
		}
		out_printf(out, "\tLAST_SIGNAL\n};\n\n");
	}
	if(arguments>0) {
		out_printf(out, "enum {\n\tARG_0");
		for(li=c->nodes;li;li=g_list_next(li)) {
			Node *n = li->data;
			if(n->type == ARGUMENT_NODE) {
				Argument *a = (Argument *)n;
				char *s = g_strdup(a->name);
				g_strup(s);
				out_printf(out, ",\n\tARG_%s", s);
				g_free(s);
			}
		}
		out_printf(out, "\n};\n\n");
	}

	if(signals>0)
		out_printf(out,
			   "static guint object_signals[LAST_SIGNAL] = {0};\n\n");

	out_printf(out, "/* pointer to the class of our parent */\n");
	out_printf(out, "static %sClass *parent_class = NULL;\n\n", ptypebase);
}

static void
add_get_type(void)
{
	out_printf(out, "guint\n"
		"%s_get_type (void)\n"
		"{\n"
		"\tstatic guint type = 0;\n\n"
		"\tif (!type) {\n"
		"\t\tstatic const GtkTypeInfo info = {\n"
		"\t\t\t\"%s\",\n"
		"\t\t\tsizeof (%s),\n"
		"\t\t\tsizeof (%sClass),\n"
		"\t\t\t(GtkClassInitFunc) %s_class_init,\n"
		"\t\t\t(GtkObjectInitFunc) %s_init,\n"
		"\t\t\t/* reserved_1 */ NULL,\n"
		"\t\t\t/* reserved_2 */ NULL,\n"
		"\t\t\t(GtkClassInitFunc) NULL,\n"
		"\t\t};\n\n"
		"\t\ttype = gtk_type_unique (%s_get_type(), &info);\n"
		"\t}\n\n"
		"\treturn type;\n"
		"}\n\n",
		funcbase, typebase, typebase, typebase,
		funcbase, funcbase, pfuncbase);
}

static void
add_overrides(Class *c, char *oname, gboolean did_gtk_obj)
{
	GList *li;
	GHashTable *done;
	char *s;
	
	done = g_hash_table_new(g_str_hash, g_str_equal);
	if(did_gtk_obj) {
		s = g_strdup("GtkObject"); /* This was already done */
		g_hash_table_insert(done, s, s);
	}
	for(li=c->nodes; li; li=g_list_next(li)) {
		Node *n = li->data;
		char *f;
		Method *m = (Method *)n;
		if(n->type != METHOD_NODE ||
		   m->method != OVERRIDE_METHOD)
			continue;

		s = remove_sep(m->otype);
		
		if(g_hash_table_lookup(done, s)) {
			g_free(s);
			continue;
		}
		g_hash_table_insert(done, s, s);

		f = replace_sep(m->otype, '_');
		g_strdown(f);

		out_printf(out, "\t%sClass *%s_class = (%sClass *)%s;\n",
			   s, f, s, oname);
		
		g_free(f);
	}
	g_hash_table_foreach(done, (GHFunc)g_free, NULL);
	g_hash_table_destroy(done);
}

static char *
make_run_signal_flags(Method *m, gboolean last)
{
	GList *li;
	GString *gs;
	char *flags[] = {
		"FIRST",
		"LAST",
		"BOTH",
		"NO_RECURSE",
		"ACTION",
		"NO_HOOKS",
		NULL
	};

	gs = g_string_new(NULL);

	if(last)
		g_string_assign(gs, "GTK_RUN_LAST");
	else
		g_string_assign(gs, "GTK_RUN_FIRST");

	if(m->scope == PUBLIC_SCOPE)
		g_string_append(gs, " | GTK_RUN_ACTION");

	for(li = m->flags; li; li = li->next) {
		char *flag = li->data;
		int i;
		for(i=0;flags[i];i++) {
			if(strcmp(flags[i], flag)==0)
				break;
		}
		/* if we haven't found it in our list */
		if(!flags[i]) {
			char *s;
			s = g_strdup_printf("Unknown flag '%s' used, "
					    "perhaps it was misspelled",
					    flag);
			print_error(TRUE, s, m->line_no);
			g_free(s);
		}
		g_string_sprintfa(gs, " | GTK_RUN_%s", flag);
	}

	{
		char *ret = gs->str;
		g_string_free(gs, FALSE);
		return ret;
	}
}
		

static void
add_signals(Class *c)
{
	GList *li;

	out_printf(out, "\n");
	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		char *mar, *sig, *flags;
		gboolean is_none, last = FALSE;
		Method *m = (Method *)n;

		if(n->type != METHOD_NODE ||
		   (m->method != SIGNAL_FIRST_METHOD &&
		    m->method != SIGNAL_LAST_METHOD))
			continue;

		if(m->method == SIGNAL_FIRST_METHOD)
			last = FALSE;
		else
			last = TRUE;

		if(g_hash_table_lookup(marsh, m))
			mar = g_strconcat("___marshal_",
					  (char *)g_hash_table_lookup(marsh, m),
					  NULL);
		else
			mar = g_strdup("gtk_signal_default_marshaller");
		
		is_none = (strcmp(m->gtktypes->next->data, "NONE")==0);

		sig = g_strdup(get_real_id(m->id));
		g_strup(sig);
		flags = make_run_signal_flags(m, last);
		out_printf(out, "\tobject_signals[%s_SIGNAL] =\n"
    			"\t\tgtk_signal_new (\"%s\",\n"
			"\t\t\t(GtkSignalRunType)(%s),\n"
			"\t\t\tgtk_object_class->type,\n"
                    	"\t\t\tGTK_SIGNAL_OFFSET (%sClass, %s),\n"
                    	"\t\t\t%s,\n"
		    	"\t\t\tGTK_TYPE_%s, %d",
			sig, get_real_id(m->id),
			flags,
			typebase, get_real_id(m->id), mar,
			(char *)m->gtktypes->data,
			is_none?0:g_list_length(m->gtktypes->next));
		g_free(mar);
		g_free(sig);
		g_free(flags);
		
		if(!is_none) {
			GList *l;
			for(l=m->gtktypes->next;l;l=g_list_next(l))
				out_printf(out, ",\n\t\t\tGTK_TYPE_%s",
					(char *)l->data);
		}

		out_printf(out, ");\n");
	}
	out_printf(out, "\tgtk_object_class_add_signals (gtk_object_class,\n"
		"\t\tobject_signals, LAST_SIGNAL);\n\n");
}

static void
set_def_handlers(Class *c, char *oname)
{
	GList *li;
	gboolean set_line = FALSE;

	out_printf(out, "\n");
	for(li = c->nodes; li; li = g_list_next(li)) {
		Node *n = li->data;
		Method *m = (Method *)n;
		char *id;

		if(n->type != METHOD_NODE ||
		   (m->method != SIGNAL_FIRST_METHOD &&
		    m->method != SIGNAL_LAST_METHOD &&
		    m->method != VIRTUAL_METHOD &&
		    m->method != OVERRIDE_METHOD))
			continue;

		if(m->line_no > 0 && m->cbuf) {
			out_addline_infile(out, m->line_no);
			set_line = TRUE;
		} else if(set_line) {
			out_addline_outfile(out);
			set_line = FALSE;
		}


		if(m->method == OVERRIDE_METHOD) {
			char *s;
			s = replace_sep(m->otype, '_');
			g_strdown(s);

			if(need_destroy &&
			   destroy_handler &&
			   strcmp(m->id, "destroy") == 0)
				out_printf(out, "\tgtk_object_class->destroy "
					   "= ___destroy;\n");
			else if(need_finalize &&
				finalize_handler &&
				strcmp(m->id, "finalize") == 0)
				out_printf(out, "\tgtk_object_class->finalize "
					   "= ___finalize;\n");
			else if(m->cbuf)
				out_printf(out,
					   "\t%s_class->%s = ___%x_%s_%s;\n",
					   s, m->id, (guint)m->unique_id,
					   funcbase, m->id);
			else
				out_printf(out, "\t%s_class->%s = NULL;\n",
					   s, m->id);
		} else {
			if(m->cbuf)
				out_printf(out, "\t%s->%s = ___real_%s_%s;\n",
					oname, get_real_id(m->id),
					funcbase, get_real_id(m->id));
			else
				out_printf(out, "\t%s->%s = NULL;\n",
					oname, get_real_id(m->id));
		}
	}
	if(set_line)
		out_addline_outfile(out);
}

static void
make_arguments(Class *c)
{
	GList *li;
	char *argflags[] = {
		"CONSTRUCT",
		"CONSTRUCT_ONLY",
		"CHILD_ARG",
		"MASK",
		NULL
	};

	out_printf(out, "\n");
	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		Argument *a;
		GString *flags;
		GList *l;
		char *s;
		if(n->type != ARGUMENT_NODE)
			continue;

		a = (Argument *)n;
		
		if(a->get && a->set)
			flags = g_string_new("GTK_ARG_READWRITE");
		else if(a->get)
			flags = g_string_new("GTK_ARG_READABLE");
		else
			flags = g_string_new("GTK_ARG_WRITABLE");
		
		for(l=a->flags;l;l=g_list_next(l)) {
			char *flag = l->data;
			int i;
			if(strcmp(flag, "READWRITE")==0 ||
			   strcmp(flag, "READABLE")==0 ||
			   strcmp(flag, "WRITABLE")==0) {
				print_error(TRUE, "READWRITE, READABLE and "
					    "WRITABLE argument flags are "
					    "set automatically", a->line_no);
				continue;
			}
			for(i=0;argflags[i];i++) {
				if(strcmp(argflags[i], flag)==0)
					break;
			}
			/* if we haven't found it in our list */
			if(!argflags[i]) {
				char *s;
				s = g_strdup_printf("Unknown flag '%s' used, "
						    "perhaps it was misspelled",
						    flag);
				print_error(TRUE, s, a->line_no);
				g_free(s);
			}
			g_string_sprintfa(flags, " | GTK_ARG_%s", flag);
		}

		s = g_strdup(a->name);
		g_strup(s);
		out_printf(out, "\tgtk_object_add_arg_type(\"%s::%s\",\n"
			"\t\tGTK_TYPE_%s,\n"
			"\t\t%s,\n"
			"\t\tARG_%s);\n",
			typebase, a->name, a->gtktype, flags->str, s);
		g_free(s);
		g_string_free(flags, TRUE);
	}
	
	out_printf(out,
		   "\n\tgtk_object_class->set_arg = ___object_set_arg;\n"
		   "\tgtk_object_class->get_arg = ___object_get_arg;\n");
}

static void
print_initializer(Method *m, Variable *v)
{
	char *root;

	if(v->initializer == NULL)
		return;

	if(v->scope == PRIVATE_SCOPE)
		root = g_strconcat(((FuncArg *)m->args->data)->name,
				   "->_priv", NULL);
	else
		root = g_strdup(((FuncArg *)m->args->data)->name);

	if(v->initializer_line > 0)
		out_addline_infile(out, v->initializer_line);

	out_printf(out, "\t%s->%s = %s;\n",
		   root, v->id, v->initializer);

	if(v->initializer_line > 0)
		out_addline_outfile(out);

	g_free(root);
}

static void
print_destructor(Variable *v)
{
	char *root;

	if(v->destructor == NULL)
		return;

	if(v->scope == PRIVATE_SCOPE)
		root = "self->_priv";
	else
		root = "self";

	if(v->destructor_simple) {
		if(v->destructor_line > 0)
			out_addline_infile(out, v->destructor_line);

		out_printf(out, "\tif(%s->%s) { "
			   "((*(void (*)(void *))%s)) (%s->%s); "
			   "%s->%s = NULL; }\n",
			   root, v->id, v->destructor, root, v->id,
			   root, v->id);

		if(v->destructor_line > 0)
			out_addline_outfile(out);
	} else {
		out_printf(out, "#define VAR (%s->%s)\n", root, v->id);
		out_printf(out, "\t{\n");
		if(v->destructor_line > 0)
			out_addline_infile(out, v->destructor_line);

		out_printf(out, "\t%s}\n", v->destructor);

		if(v->destructor_line > 0)
			out_addline_outfile(out);
		out_printf(out, "\tmemset(&VAR, 0, sizeof(VAR));\n");
		out_printf(out, "#undef VAR\n");
	}
}

static void
add_destroy(Class *c)
{
	out_printf(out, "\nstatic void\n"
		   "___destroy(GtkObject *obj_self)\n"
		   "{\n");

	if(destructors > 0) {
		out_printf(out, "\t%s *self G_GNUC_UNUSED = %s (obj_self);\n",
			   typebase, macrobase);
	}

	if(destroy_handler) {
		/* so we get possible bad argument warning */
		if(destroy_handler->line_no > 0)
			out_addline_infile(out, destroy_handler->line_no);
		out_printf(out, "\t___%x_%s_destroy(obj_self);\n",
			   (guint)destroy_handler->unique_id, funcbase);
		if(destroy_handler->line_no > 0)
			out_addline_outfile(out);
	}

	if(destructors > 0) {
		GList *li;
		for(li = ((Class *)class)->nodes;
		    li != NULL;
		    li = li->next) {
			Node *n = li->data;
			Variable *v = (Variable *)n;
			if(n->type == VARIABLE_NODE &&
			   v->scope != CLASS_SCOPE)
				print_destructor(v);
		}
	}

	out_printf(out, "}\n\n");
}

static void
add_finalize(Class *c)
{
	out_printf(out, "\nstatic void\n"
		   "___finalize(GtkObject *obj_self)\n"
		   "{\n");

	if(privates > 0) {
		out_printf(out, "\t%s *self = %s (obj_self);\n",
			   typebase, macrobase);
	}

	if(finalize_handler) {
		/* so we get possible bad argument warning */
		if(finalize_handler->line_no > 0)
			out_addline_infile(out, finalize_handler->line_no);
		out_printf(out, "\t___%x_%s_finalize(obj_self);\n",
			   (guint)finalize_handler->unique_id, funcbase);
		if(finalize_handler->line_no > 0)
			out_addline_outfile(out);
	}

	if(privates > 0) {
		out_printf(out, "\tg_free (self->_priv);\n"
			   "\tself->_priv = NULL;\n");
	}

	out_printf(out, "}\n\n");
}

static void
add_inits(Class *c)
{
	GList *li;
	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		Method *m;
		if(n->type != METHOD_NODE)
			continue;
		m = (Method *)n;
		if(m->method == INIT_METHOD) {
			if(m->line_no > 0)
				out_addline_infile(out, m->line_no);
			print_method(out, "static ", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
			if(m->line_no > 0)
				out_addline_outfile(out);
			out_printf(out, "{\n");
			if(privates > 0) {
				out_printf(out, "\t%s->_priv = "
					   "g_new0 (%sPrivate, 1);\n",
					   ((FuncArg *)m->args->data)->name,
					   typebase);
			}
			if(initializers > 0) {
				GList *li;
				for(li = ((Class *)class)->nodes;
				    li != NULL;
				    li = li->next) {
					Node *n = li->data;
					Variable *v = (Variable *)n;
					if(n->type != VARIABLE_NODE ||
					   v->scope == CLASS_SCOPE)
						continue;
					print_initializer(m, v);
				}
			}
		} else if(m->method == CLASS_INIT_METHOD) {
			gboolean did_gtk_obj = FALSE;

			if(m->line_no > 0)
				out_addline_infile(out, m->line_no);
			print_method(out, "static ", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
			if(m->line_no > 0)
				out_addline_outfile(out);
			out_printf(out, "{\n");
			if(signals > 0 ||
			   arguments > 0 ||
			   need_destroy ||
			   need_finalize) {
				out_printf(out,
					   "\tGtkObjectClass *"
					   "gtk_object_class = "
					   "(GtkObjectClass*) %s;\n",
					   ((FuncArg *)m->args->data)->name);
				did_gtk_obj = TRUE;
			}

			if(overrides > 0)
				add_overrides(c,
					      ((FuncArg *)m->args->data)->name,
					      did_gtk_obj);

			if(initializers > 0) {
				GList *li;
				for(li = ((Class *)class)->nodes;
				    li != NULL;
				    li = li->next) {
					Node *n = li->data;
					Variable *v = (Variable *)n;
					if(n->type != VARIABLE_NODE ||
					   v->scope != CLASS_SCOPE)
						continue;
					print_initializer(m, v);
				}
			}
			
			out_printf(out, "\n\tparent_class = ");
			if(for_cpp)
				out_printf(out, "(%sClass *)", ptypebase);
			out_printf(out, "gtk_type_class (%s_get_type ());\n",
				   pfuncbase);

			if(signals > 0)
				add_signals(c);

			set_def_handlers(c, ((FuncArg *)m->args->data)->name);

			/* if there are no handlers for these things, we
			 * need to set them up here */
			if(need_destroy && !destroy_handler)
				out_printf(out, "\tgtk_object_class->destroy "
					   "= ___destroy;\n");
			if(need_finalize && !finalize_handler)
				out_printf(out, "\tgtk_object_class->finalize "
					   "= ___finalize;\n");
			
			if(arguments > 0)
				make_arguments(c);

		} else
			continue;

		if(m->cbuf) {
			out_printf(out, " {\n");
			out_addline_infile(out, m->ccode_line);
			out_printf(out, "%s\n", m->cbuf);
			out_addline_outfile(out);
			out_printf(out, " }\n");
		} else {
			out_printf(out, "return;\n");
		}
		out_printf(out, "}\n");
	}
}

static void
add_getset_arg(Class *c, gboolean is_set)
{
	GList *li;
	out_printf(out, "\nstatic void\n"
		   "___object_%s_arg (GtkObject *object,\n"
		   "\tGtkArg *arg,\n"
		   "\tguint arg_id)\n"
		   "{\n"
		   "\t%s *self;\n\n"
		   "\tself = %s (object);\n\n"
		   "\tswitch (arg_id) {\n",
		   is_set?"set":"get", typebase, macrobase);

	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		Argument *a;
		char *s;
		char *cbuf;
		int line_no;
		if(n->type != ARGUMENT_NODE)
			continue;
		a = (Argument *)n;
		if(is_set) {
			cbuf = a->set;
			line_no = a->set_line;
		} else {
			cbuf = a->get;
			line_no = a->get_line;
		}
		if(!cbuf)
			continue;
		s = g_strdup(a->name);
		g_strup(s);
		out_printf(out, "\tcase ARG_%s:\n", s);
		if(is_set && a->atype) {
			char *cast = get_type(a->atype, TRUE);
			if(no_gnu || for_cpp) {
				out_printf(out, "#define ARG "
					   "((%s)GTK_VALUE_%s(*arg))\n",
					   cast, a->gtktype);
			} else {
				out_printf(out, "#ifdef __GNUC__\n");
				if(strcmp(a->gtktype, "OBJECT")==0) {
					out_printf(out, "#define ARG "
						   "({%s foo = "
						   "GTK_VALUE_POINTER(*arg); "
						   "foo; })\n",
						   cast);
				} else {
					out_printf(out, "#define ARG "
						   "({%s foo = "
						   "GTK_VALUE_%s(*arg); "
						   "foo; })\n",
						   cast, a->gtktype);
				}
				out_printf(out, "#else /* __GNUC__ */\n");
				out_printf(out, "#define ARG "
					   "((%s)GTK_VALUE_%s(*arg))\n",
					   cast, a->gtktype);
				out_printf(out, "#endif /* __GNUC__ */\n\n");
			}
			out_printf(out, "\t\t{\n");
			g_free(cast);
		} else if(!is_set && strcmp(a->gtktype, "OBJECT")==0) {
			out_printf(out,
				   "#define ARG (GTK_VALUE_POINTER(*arg))\n"
				   "\t\t{\n");
		} else {
			out_printf(out,
				   "#define ARG (GTK_VALUE_%s(*arg))\n"
				   "\t\t{\n",
				   a->gtktype);
		}
		g_free(s);
		if(line_no > 0)
			out_addline_infile(out, line_no);
		out_printf(out, "%s\n", cbuf);
		if(line_no > 0)
			out_addline_outfile(out);
		out_printf(out, "\t\t}\n\t\tbreak;\n"
			"#undef ARG\n");
	}
	out_printf(out, "\tdefault:\n\t\tbreak;\n\t}\n}\n");
}

static void
print_checks(Method *m, FuncArg *fa)
{
	GList *li;
	gboolean is_void;
	gboolean checked_null = FALSE;
	is_void = (strcmp(m->mtype->name, "void")==0 &&
		   m->mtype->stars == 0);
	
	for(li=fa->checks;li;li=g_list_next(li)) {
		Check *ch = li->data;
		char *s;
		/* point to the method prot in .gob for failed checks */
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		if(is_void)
			out_printf(out, "\tg_return_if_fail (");
		else
			out_printf(out, "\tg_return_val_if_fail (");
		switch(ch->chtype) {
		case NULL_CHECK:
			out_printf(out, "%s != NULL", fa->name);
			checked_null = TRUE;
			break;
		case TYPE_CHECK:
			s = make_pre_macro(fa->atype->name, "IS");
			if(checked_null)
				out_printf(out, "%s (%s)", s, fa->name);
			else
				/* if not check null, null may be valid */
				out_printf(out, "!(%s) || %s (%s)", fa->name,
					   s, fa->name);
			g_free(s);
			break;
		case LT_CHECK:
			out_printf(out, "%s < %s", fa->name, ch->number);
			break;
		case GT_CHECK:
			out_printf(out, "%s > %s", fa->name, ch->number);
			break;
		case LE_CHECK:
			out_printf(out, "%s <= %s", fa->name, ch->number);
			break;
		case GE_CHECK:
			out_printf(out, "%s >= %s", fa->name, ch->number);
			break;
		case EQ_CHECK:
			out_printf(out, "%s == %s", fa->name, ch->number);
			break;
		case NE_CHECK:
			out_printf(out, "%s != %s", fa->name, ch->number);
			break;
		}
		if(is_void)
			out_printf(out, ");\n");
		else {
			out_printf(out, ", (");
			print_type(out, m->mtype, TRUE);
			out_printf(out, ")%s);\n",
				m->onerror?m->onerror:"0");
		}
	}
}

static void
print_preconditions(Method *m)
{
	GList *li;
	
	for(li=m->args;li;li=g_list_next(li)) {
		FuncArg *fa = li->data;
		if(fa->checks)
			print_checks(m, fa);
	}
	if(m->line_no>0)
		out_addline_outfile(out);
}

static void
print_method_body(Method *m, int pre)
{
	out_printf(out, "{\n");
	if(pre)
		print_preconditions(m);

	/* Note: the trailing }'s are on one line, this is so
	   that we get the no return warning correctly and point to
	   the correct line in the .gob file, yes this is slightly
	   ugly in the .c file, but that is not supposed to be
	   human readable anyway. */
	if(m->cbuf) {
		out_printf(out, "{\n");
		if(m->ccode_line>0)
			out_addline_infile(out, m->ccode_line);
		out_printf(out, "\t%s}", m->cbuf);
	}

	out_printf(out, "}\n");

	if(m->cbuf)
		out_addline_outfile(out);
}

static void
put_signal_args(Method *m)
{
	GList *li;
	GList *ali;
	for(ali = m->gtktypes->next, li=m->args->next;
	    li && ali;
	    li=li->next, ali=ali->next) {
		FuncArg *fa = li->data;
		const char *cast = get_cast(ali->data, FALSE);
		/* we should have already proved before that
		   the we know all the types */
		g_assert(cast);

		out_printf(out, ",\n\t\t(%s)%s", cast,
			   fa->name);
	}
}

static char *
get_arg_names_for_macro(Method *m)
{
	char *p;
	GList *li;
	GString *gs = g_string_new(NULL);
	p = "";
	for(li=m->args;li;li=g_list_next(li)) {
		FuncArg *arg = li->data;
		g_string_sprintfa(gs, "%s___%s", p, arg->name);
		p = ",";
	}
	p = gs->str;
	g_string_free(gs, FALSE);
	return p;
}

static void
put_method(Method *m)
{
	char *s, *args, *doc;
	gboolean is_void;
	is_void = (strcmp(m->mtype->name, "void")==0 &&
		   m->mtype->stars == 0);
	out_printf(out, "\n");
	if(m->method != OVERRIDE_METHOD) {
		doc = get_gtk_doc(m->id);
		if(doc) {
			out_printf(out, "%s", doc);
			g_free(doc);
		}
	}
	switch(m->method) {
	case REGULAR_METHOD:
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		if(m->scope == PRIVATE_SCOPE)
			print_method(out, "static ", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
		else /* PUBLIC, PROTECTED */
			print_method(out, "", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
		print_method_body(m, TRUE);
		/* the outfile line was added above */
		break;
	case SIGNAL_FIRST_METHOD:
	case SIGNAL_LAST_METHOD:
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		if(m->scope == PRIVATE_SCOPE)
			print_method(out, "static ", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
		else /* PUBLIC, PROTECTED */
			print_method(out, "", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
		out_addline_outfile(out);
		out_printf(out, "{\n");
		s = g_strdup(get_real_id(m->id));
		g_strup(s);
		if(strcmp(m->mtype->name, "void")==0 &&
		   m->mtype->stars==0) {
			print_preconditions(m);
			if(((FuncArg *)m->args->data)->name)
			out_printf(out, "\tgtk_signal_emit (GTK_OBJECT (%s),\n"
				"\t\tobject_signals[%s_SIGNAL]",
				((FuncArg *)m->args->data)->name, s);
			put_signal_args(m);
			out_printf(out, ");\n}\n");
		} else {
			out_printf(out, "\t");
			print_type(out, m->mtype, TRUE);
			out_printf(out, "return_val = (");
			print_type(out, m->mtype, TRUE);
			if(m->defreturn)
				out_printf(out, ")(%s);\n", m->defreturn);
			else if(m->onerror)
				out_printf(out, ")(%s);\n", m->onerror);
			else
				out_printf(out, ")(0);\n");
			print_preconditions(m);
			out_printf(out, "\tgtk_signal_emit (GTK_OBJECT (%s),\n"
				"\t\tobject_signals[%s_SIGNAL]",
				((FuncArg *)m->args->data)->name, s);
			put_signal_args(m);
			out_printf(out, ",\n\t\t&return_val);\n"
				"\treturn return_val;\n}\n");
		}

		if(!m->cbuf)
			break;
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		print_method(out, "static ", "\n___real_", "", " ", "\n",
			     m, FALSE, FALSE, TRUE);
		print_method_body(m, FALSE);
		/* the outfile line was added above */
		break;
	case VIRTUAL_METHOD:
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		if(m->scope==PRIVATE_SCOPE)
			print_method(out, "static ", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
		else /* PUBLIC, PROTECTED */
			print_method(out, "", "\n", "", " ", "\n",
				     m, FALSE, FALSE, TRUE);
		out_addline_outfile(out);
		out_printf(out, "{\n"
			"\t%sClass *klass;\n", typebase);
		print_preconditions(m);
		out_printf(out, "\tklass = %s_CLASS(GTK_OBJECT(%s)->klass);\n\n"
			"\tif(klass->%s)\n",
			macrobase, ((FuncArg *)m->args->data)->name,
			get_real_id(m->id));
		if(strcmp(m->mtype->name, "void")==0 &&
		   m->mtype->stars==0) {
			GList *li;
			out_printf(out, "\t\t(*klass->%s)(%s",
				   get_real_id(m->id),
				   ((FuncArg *)m->args->data)->name);
			for(li=m->args->next;li;li=g_list_next(li)) {
				FuncArg *fa = li->data;
				out_printf(out, ",%s", fa->name);
			}
			out_printf(out, ");\n}\n");
		} else {
			GList *li;
			out_printf(out, "\t\treturn (*klass->%s)(%s",
				   get_real_id(m->id),
				   ((FuncArg *)m->args->data)->name);
			for(li=m->args->next;li;li=g_list_next(li)) {
				FuncArg *fa = li->data;
				out_printf(out, ",%s", fa->name);
			}
			out_printf(out, ");\n"
				"\telse\n"
				"\t\treturn (");
			print_type(out, m->mtype, TRUE);
			if(m->defreturn)
				out_printf(out, ")(%s);\n}\n", m->defreturn);
			else if(m->onerror)
				out_printf(out, ")(%s);\n}\n", m->onerror);
			else
				out_printf(out, ")(0);\n}\n");
		}

		if(!m->cbuf)
			break;
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		print_method(out, "static ", "\n___real_", "", " ", "\n",
			     m, FALSE, FALSE, TRUE);
		print_method_body(m, FALSE);
		/* the outfile line was added above */
		break;
	case OVERRIDE_METHOD:
		if(!m->cbuf)
			break;
		if(m->line_no > 0)
			out_addline_infile(out, m->line_no);
		s = g_strdup_printf("\n___%x_", (guint)m->unique_id);
		print_method(out, "static ", s, "", " ", "\n",
			     m, FALSE, FALSE, FALSE);
		g_free(s);
		out_addline_outfile(out);
		s = replace_sep(m->otype, '_');
		g_strup(s);
		args = get_arg_names_for_macro(m);
		if(is_void) {
			out_printf(out, "#define PARENT_HANDLER(%s) \\\n"
				   "\t{ if(%s_CLASS(parent_class)->%s) \\\n"
				   "\t\t(* %s_CLASS(parent_class)->%s)(%s); }\n",
				   args, s, m->id, s, m->id, args);
		} else {
			out_printf(out, "#define PARENT_HANDLER(%s) \\\n"
				   "\t((%s_CLASS(parent_class)->%s)? \\\n"
				   "\t\t(* %s_CLASS(parent_class)->%s)(%s): \\\n"
				   "\t\t(",
				   args, s, m->id, s, m->id, args);
			out_printf(out, "(");
			print_type(out, m->mtype, TRUE);
			out_printf(out, ")%s))\n",
				   m->onerror?m->onerror:"0");
		}
		g_free(args);
		g_free(s);
		print_method_body(m, TRUE);
		/* the outfile line was added above */
		out_printf(out, "#undef PARENT_HANDLER\n");
		break;
	default:
		break;
	}
}

static void
open_files(void)
{
	char *outfile, *outfileh, *outfileph;

	if(!for_cpp)
		outfile = g_strconcat(filebase, ".c", NULL);
	else
		outfile = g_strconcat(filebase, ".cc", NULL);
	if(no_touch_headers)
		outfileh = g_strconcat("#gob#", filebase, ".h#gob#", NULL);
	else
		outfileh = g_strconcat(filebase, ".h", NULL);

	if((privates > 0 || protecteds > 0 ||
	    private_header == PRIVATE_HEADER_ALWAYS) &&
	   private_header != PRIVATE_HEADER_NEVER)
		outfileph = g_strconcat(filebase, "-private.h", NULL);
	else
		outfileph = NULL;

	
	if(no_write) {
		devnull = fopen("/dev/null", "w");
		if(!devnull)
			g_error("Cannot open null device");
		out = devnull;
		outh = devnull;
		if(outfileph)
			outph = devnull;
	} else {
		out = fopen(outfile, "w");
		if(!out) {
			g_error("Cannot open outfile: %s", outfile);
		}
		outh = fopen(outfileh, "w");
		if(!outh)
			g_error("Cannot open outfile: %s", outfileh);
		if(outfileph) {
			outph = fopen(outfileph, "w");
			if(!outph)
				g_error("Cannot open outfile: %s", outfileh);
		}
	}
}

static void
put_argument_nongnu_wrappers(Class *c)
{
	GList *li;

	if(arguments<0)
		return;

	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		Argument *a = (Argument *)n;
		char *aname;
		char *cast;

		if(n->type != ARGUMENT_NODE)
			continue;

		aname = g_strdup(a->name);
		g_strup(aname);

		if(a->atype)
			cast = get_type(a->atype, TRUE);
		else
			cast = g_strdup(get_cast(a->gtktype, TRUE));

		if(cast) {
			if(a->set)
				out_printf(outh, "#define %s_ARG_%s(arg)    \t"
					   "\"%s\",(%s)(arg)\n",
					   macrobase, aname, a->name, cast);
			if(a->get)
				out_printf(outh, "#define %s_GET_ARG_%s(arg)\t"
					   "\"%s\",(%s*)(arg)\n",
					   macrobase, aname, a->name, cast);
		} else {
			if(a->set)
				out_printf(outh, "#define %s_ARG_%s(arg)    \t"
					   "\"%s\",(arg)\n",
					   macrobase, aname, a->name);
			if(a->get)
				out_printf(outh, "#define %s_GET_ARG_%s(arg)\t"
					   "\"%s\",(arg)\n",
					   macrobase, aname, a->name);
		}
		g_free(cast);
		g_free(aname);
	}
}

static void
put_argument_gnu_wrappers(Class *c)
{
	GList *li;

	if(arguments<0)
		return;

	for(li=c->nodes;li;li=g_list_next(li)) {
		Node *n = li->data;
		Argument *a = (Argument *)n;
		char *s;
		char *cast;
		if(n->type != ARGUMENT_NODE)
			continue;
		s = g_strdup(a->name);
		g_strup(s);
		if(a->atype)
			cast = get_type(a->atype, TRUE);
		else
			cast = g_strdup(get_cast(a->gtktype, TRUE));
		if(cast) {
			if(a->set)
				out_printf(outh, "#define %s_ARG_%s(arg)    \t"
					   "\"%s\",({%sz = (arg); z;})\n",
					   macrobase, s, a->name, cast);
			if(a->get)
				out_printf(outh, "#define %s_GET_ARG_%s(arg)\t"
					   "\"%s\",({%s*z = (arg); z;})\n",
					   macrobase, s, a->name, cast);
		} else {
			if(a->set)
				out_printf(outh, "#define %s_ARG_%s(arg)    \t"
					   "\"%s\",(arg)\n",
					   macrobase, s, a->name);
			if(a->get)
				out_printf(outh, "#define %s_GET_ARG_%s(arg)\t"
					   "\"%s\",(arg)\n",
					   macrobase, s, a->name);
		}
		g_free(cast);
		g_free(s);
	}
}

static void
print_ccode_block(CCode *cc)
{
	FILE *fp;
	switch(cc->cctype) {
	case HT_CCODE:
		/* HT code is printed exactly like normal header
		   code but is printed before */
	case H_CCODE:
		fp = outh;
		out_printf(fp, "\n");
		break;
	case AT_CCODE:
		/* AT code is printed exactly like normal 'all'
		   code but is printed before */
	case A_CCODE:
		if(outph) {
			out_printf(outph, "\n");
			out_printf(outph, "%s\n", cc->cbuf);
			out_addline_infile(outph, cc->line_no);
			out_addline_outfile(outph);
		}
		out_printf(outh, "\n");
		out_printf(outh, "%s\n", cc->cbuf);
		fp = out;
		out_printf(fp, "\n");
		out_addline_infile(fp, cc->line_no);
		break;
	default:
	case C_CCODE:
		fp = out;
		out_printf(fp, "\n");
		out_addline_infile(fp, cc->line_no);
		break;
	case PH_CCODE:
		if(outph)
			fp = outph;
		else
			fp = out;
		out_printf(fp, "\n");
		out_addline_infile(fp, cc->line_no);
		break;
	}
	out_printf(fp, "%s\n", cc->cbuf);
	if(cc->cctype == C_CCODE ||
	   cc->cctype == A_CCODE ||
	   cc->cctype == AT_CCODE ||
	   cc->cctype == PH_CCODE)
		out_addline_outfile(fp);
}

static void
print_class_block(Class *c)
{
	GList *l;
	char *s;
	gboolean printed_private = FALSE;

	if(any_special) {
		out_printf(out, "/* utility types we may need */\n");
		if(special_array[SPECIAL_2POINTER])
			out_printf(out, "typedef struct { "
				   "gpointer a; gpointer b; "
				   "} ___twopointertype;\n");
		if(special_array[SPECIAL_3POINTER])
			out_printf(out, "typedef struct { "
				   "gpointer a; gpointer b; "
				   "gpointer c; "
				   "} ___threepointertype;\n");
		if(special_array[SPECIAL_INT_POINTER])
			out_printf(out, "typedef struct { "
				   "gint a; gpointer b; "
				   "} ___intpointertype;\n");
		out_printf(out, "\n");
	}

	out_printf(outh, "\n/*\n"
		   " * Type checking and casting macros\n"
		   " */\n");
	out_printf(outh, "#define %s\t"
		   "(%s_get_type())\n",
		   macrotype, funcbase);
	out_printf(outh, "#define %s(obj)\t"
		   "GTK_CHECK_CAST((obj), %s_get_type(),%s)\n",
		   macrobase, funcbase, typebase);
	out_printf(outh, "#define %s_CLASS(klass)\t"
		   "GTK_CHECK_CLASS_CAST((klass),%s_get_type(),%sClass)\n",
		   macrobase, funcbase, typebase);
	out_printf(outh, "#define %s(obj)\t"
		   "GTK_CHECK_TYPE((obj),%s_get_type ())\n\n",
		   macrois, funcbase);

	if(!no_self_alias) {
		out_printf(out, "/* self casting macros */\n");
		out_printf(out, "#define SELF(x) %s(x)\n", macrobase);
		out_printf(out, "#define IS_SELF(x) %s(x)\n", macrois);
		out_printf(out, "#define SELF_CLASS(x) %s_CLASS(x)\n\n",
			   macrobase);

		out_printf(out, "/* self typedefs */\n");
		out_printf(out, "typedef %s Self;\n", typebase);
		out_printf(out, "typedef %sClass SelfClass;\n\n", typebase);
	}

	if(privates > 0) {
		out_printf(outh, "\n/* Private structure type */\n");
		out_printf(outh, "typedef struct _%sPrivate %sPrivate;\n",
			   typebase, typebase);
	}

	out_printf(outh, "\n/*\n"
		   " * Main object structure\n"
		   " */\n");
	s = replace_sep(c->otype, '_');
	g_strup(s);
	out_printf(outh, "#ifndef __TYPEDEF_%s__\n"
		   "#define __TYPEDEF_%s__\n", s, s);
	g_free(s);
	out_printf(outh, "typedef struct _%s %s;\n"
		   "#endif\n", typebase, typebase);
	out_printf(outh, "struct _%s {\n\t%s __parent__;\n",
		   typebase, ptypebase);
	for(l=c->nodes;l;l=g_list_next(l)) {
		static gboolean printed_public = FALSE;
		Node *n = l->data;
		Variable *v = (Variable *)n;
		if(n->type == VARIABLE_NODE &&
		   v->scope == PUBLIC_SCOPE) {
			if(!printed_public) {
				out_printf(outh, "\t/*< public >*/\n");
				printed_public = TRUE;
			}
			put_variable((Variable *)n, outh);
		}
	}
	/* put protecteds always AFTER publics */
	for(l=c->nodes;l;l=g_list_next(l)) {
		Node *n = l->data;
		Variable *v = (Variable *)n;
		if(n->type == VARIABLE_NODE &&
		   v->scope == PROTECTED_SCOPE) {
			if(!printed_private) {
				out_printf(outh, "\t/*< private >*/\n");
				printed_private = TRUE;
			}
			put_variable((Variable *)n, outh);
		}
	}
	if(privates>0) {
		if(!printed_private)
			out_printf(outh, "\t/*< private >*/\n");
		out_printf(outh, "\t%sPrivate *_priv;\n", typebase);
	}
	out_printf(outh, "};\n");

	if(privates > 0) {
		FILE *outfp;

		/* if we are to stick this into the private
		   header, if not stick it directly into the
		   C file */
		if(outph) 
			outfp = outph;
		else
			outfp = out;

		out_printf(outfp, "struct _%sPrivate {\n",
			   typebase);
		for(l=c->nodes;l;l=l->next) {
			Node *n = l->data;
			Variable *v = (Variable *)n;
			if(n->type == VARIABLE_NODE &&
			   v->scope == PRIVATE_SCOPE) {
				out_addline_infile(outfp, v->line_no);
				put_variable(v, outfp);
			}
		}
		out_addline_outfile(outfp);
		out_printf(outfp, "};\n");
	}

	out_printf(outh, "\n/*\n"
		   " * Class definition\n"
		   " */\n");
	out_printf(outh, "typedef struct _%sClass %sClass;\n",
		   typebase, typebase);
	out_printf(outh,
		   "struct _%sClass {\n\t%sClass __parent__;\n",
		   typebase, ptypebase);
	for(l=c->nodes;l;l=g_list_next(l)) {
		Node *n = l->data;
		if(n->type == METHOD_NODE)
			put_vs_method((Method *)n);
	}
	/* put class scope variables */
	for(l=c->nodes;l;l=g_list_next(l)) {
		Node *n = l->data;
		Variable *v = (Variable *)n;
		if(n->type == VARIABLE_NODE &&
		   v->scope == CLASS_SCOPE)
			put_variable((Variable *)n, outh);
	}
	out_printf(outh, "};\n\n");

	out_printf(out, "/* here are local prototypes */\n");
	if(arguments>0) {
		out_printf(out, "static void ___object_set_arg "
			   "(GtkObject *object, GtkArg *arg, "
			   "guint arg_id);\n"
			   "static void ___object_get_arg "
			   "(GtkObject *object, GtkArg *arg, "
			   "guint arg_id);\n");
	}

	out_printf(outh, "\n/*\n"
		   " * Public methods\n"
		   " */\n");

	out_printf(outh, "guint\t%s_get_type\t(void);\n", funcbase);
	for(l=c->nodes;l;l=g_list_next(l)) {
		Node *n = l->data;
		if(n->type == METHOD_NODE) {
			put_pub_method((Method *)n);
			put_prot_method((Method *)n);
			put_priv_method_prot((Method *)n);
		}
	}

/* this idea is less and less apealing to me */
#if 0
	if(!no_signal_connect) {
		if(signals>0) {
			out_printf(outh, "\n/*\n"
				   " * Signal connection methods\n"
				   " */\n");
		}

		for(l=c->nodes;l;l=g_list_next(l)) {
			Node *n = l->data;
			if(n->type == METHOD_NODE)
				put_signal_connect((Method *)n);
		}
	}
#endif


	/* argument wrapping macros */
	if(arguments>0 && !no_gnu) {
		out_printf(outh, "\n/*\n"
			   " * Argument wrapping macros\n"
			   " */\n");
		out_printf(outh, "#ifdef __GNUC__\n");
		put_argument_gnu_wrappers(c);
		out_printf(outh, "#else /* __GNUC__ */\n");
		put_argument_nongnu_wrappers(c);
		out_printf(outh, "#endif /* __GNUC__ */\n\n");
	} else if(arguments>0 && no_gnu) {
		out_printf(outh, "\n/*\n"
			   " * Argument wrapping macros\n"
			   " */\n");
		put_argument_nongnu_wrappers(c);
	}

	if(signals>0) {
		for(l=c->nodes;l;l=g_list_next(l)) {
			Node *n = l->data;
			if(n->type == METHOD_NODE)
				add_signal_prots((Method *)n);
		}
	}

	add_enums(c);

	add_get_type();

	if(any_method_to_alias(c)) {
		if(no_gnu)
			make_method_nongnu_aliases(c);
		else {
			out_printf(out, "\n#ifdef __GNUC__\n");
			make_method_gnu_aliases(c);
			out_printf(out, "#else /* __GNUC__ */\n");
			make_method_nongnu_aliases(c);
			out_printf(out, "#endif /* __GNUC__ */\n\n");
		}
	}

	out_printf(out, "/* a macro for creating a new object of our type */\n");
	out_printf(out,
		   "#define GET_NEW ((%s *)gtk_type_new(%s_get_type()))\n\n",
		   typebase, funcbase);

	if(need_destroy)
		add_destroy(c);

	if(need_finalize)
		add_finalize(c);

	add_inits(c);

	if(arguments>0) {
		add_getset_arg(c, TRUE);
		add_getset_arg(c, FALSE);
	}

	for(l=c->nodes;l;l=g_list_next(l)) {
		Node *n = l->data;
		if(n->type == METHOD_NODE)
			put_method((Method *)n);
	}

	add_bad_hack_to_avoid_unused_warnings(c);
}

static void
print_version_macros(void)
{
	int major=0, minor=0, pl=0;
	sscanf(VERSION, "%d.%d.%d", &major, &minor, &pl);

	out_printf(out, "#define GOB_VERSION_MAJOR %d\n", major);
	out_printf(out, "#define GOB_VERSION_MINOR %d\n", minor);
	out_printf(out, "#define GOB_VERSION_PATCHLEVEL %d\n\n", pl);
}

static void
print_file_comments(void)
{
	time_t curtime;
	time(&curtime);
	out_printf(outh, "/* Generated by GOB (v%s)"
		   "   (do not edit directly) */\n\n", VERSION);
	if(outph)
		out_printf(outph, "/* Generated by GOB (v%s)"
			   "   (do not edit directly) */\n\n", VERSION);
	out_printf(out, "/* Generated by GOB (v%s) on %s"
		   "   (do not edit directly) */\n\n",
		   VERSION, ctime(&curtime));
}

static void
print_includes(void)
{
	gboolean found_header;
	char *p;

	/* We may need string.h for memset */
	if(destructors > 0)
		out_printf(out, "#include <string.h> /* memset() */\n\n");

	p = g_strconcat(filebase, ".h", NULL);
	found_header = TRUE;
	if(!g_list_find_custom(include_files, p, (GCompareFunc)strcmp)) {
		out_printf(out, "#include \"%s.h\"\n\n", filebase);
		found_header = FALSE;
	}
	g_free(p);

	/* if we are creating a private header see if it was included */
	if(outph) {
		p = g_strconcat(filebase, "-private.h", NULL);
		if(!g_list_find_custom(include_files, p, (GCompareFunc)strcmp)) {
			out_printf(out, "#include \"%s-private.h\"\n\n",
				   filebase);
			if(found_header)
				print_error(TRUE,
					    "Implicit private header include "
					    "added to top of\n"
					    "\tsource file, while public "
					    "header is at a custom location, "
					    "you should\n"
					    "\texplicitly include "
					    "the private header below the "
					    "public one.", 0);
		}
		g_free(p);
	}
}

static void
print_header_prefixes(void)
{
	char *p;

	p = replace_sep(((Class *)class)->otype, '_');
	g_strup(p);
	out_printf(outh, "#ifndef __%s_H__\n#define __%s_H__\n\n", p, p);
	if(outph)
		out_printf(outph, "#ifndef __%s_PRIVATE_H__\n"
			   "#define __%s_PRIVATE_H__\n\n"
			   "#include \"%s.h\"\n\n", p, p, filebase);
	g_free(p);

	if(!no_extern_c) {
		out_printf(outh, "#ifdef __cplusplus\n"
			   "extern \"C\" {\n"
			   "#endif /* __cplusplus */\n\n");
		if(outph)
			out_printf(outph, "#ifdef __cplusplus\n"
				   "extern \"C\" {\n"
				   "#endif /* __cplusplus */\n\n");
	}
}

static void
print_header_postfixes(void)
{
	if(!no_extern_c)
		out_printf(outh, "\n#ifdef __cplusplus\n"
			   "}\n"
			   "#endif /* __cplusplus */\n");
	out_printf(outh, "\n#endif\n");
	if(outph) {
		if(!no_extern_c)
			out_printf(outph, "\n#ifdef __cplusplus\n"
				   "}\n"
				   "#endif /* __cplusplus */\n");
		out_printf(outph, "\n#endif\n");
	}
}

static void
print_all_top(void)
{
	GList *li;

	/* print the AT_CCODE blocks */
	for(li=nodes;li;li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == CCODE_NODE) {
			CCode *cc = (CCode *)node;
			if(cc->cctype==AT_CCODE)
				print_ccode_block((CCode *)node);
		}
	}
}

static void
print_header_top(void)
{
	GList *li;

	/* mandatory include */
	out_printf(outh, "#include <gtk/gtk.h>\n\n");

	/* print the HT_CCODE blocks */
	for(li=nodes;li;li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == CCODE_NODE) {
			CCode *cc = (CCode *)node;
			if(cc->cctype==HT_CCODE)
				print_ccode_block((CCode *)node);
		}
	}
}

static void
generate_outfiles(void)
{
	GList *li;

	print_file_comments();

	print_all_top();

	print_header_top();

	print_header_prefixes();

	print_version_macros();

	print_includes();

	for(li=nodes;li;li=g_list_next(li)) {
		Node *node = li->data;
		if(node->type == CCODE_NODE) {
			CCode *cc = (CCode *)node;
			if(cc->cctype!=HT_CCODE)
				print_ccode_block((CCode *)node);
		} else if(node->type == CLASS_NODE) {
			print_class_block((Class *)node);
		} else
			g_assert_not_reached();
	}

	print_header_postfixes();
}

static void
print_help(void)
{
	fprintf(stderr, "Gob version %s\n\n", VERSION);
	fprintf(stderr, "Options:\n"
		"\t--help,-h,-?            Display this help\n"
		"\t--version               Display version\n"
		"\t--exit-on-warn,-w       Exit with an error on warnings\n"
		"\t--no-exit-on-warn       Don't exit on warnings [default]\n"
		"\t--for-cpp               Create C++ files\n"
		"\t--no-extern-c           Never print extern \"C\" into the "
	       				  "header\n"
		"\t--no-gnu                Never use GNU extentions\n"
		"\t--no-touch-headers      Don't touch headers unless they "
		                          "really changed\n"
		"\t--always-private-header Always create a private header "
					  "file,\n"
		"\t                        even if it would be empty "
		                          "[default]\n"
		"\t--ondemand-private-header Create private header only when "
					  "needed\n"
		"\t--no-private-header     Don't create a private header, "
					  "put private\n"
	  	"\t                        structure and protected "
					  "prototypes inside c file\n"
		"\t--no-write,-n           Don't write output files, just "
					  "check syntax\n"
		"\t--no-lines              Don't print '#line' to output\n"
		"\t--no-self-alias         Don't create self type and macro "
		                          "aliases\n"
		"\t--no-kill-underscores   Don't remove the leading underscore "
		                          "from short id names");
}

static void
parse_options(int argc, char *argv[])
{
	int i;
	int got_file = FALSE;
	int no_opts = FALSE;

	filename = NULL;

	for(i=1;i<argc;i++) {
		if(no_opts || argv[i][0]!='-') {
			/*must be a file*/
			if(got_file) {
				fprintf(stderr, "Specify only one file!\n");
				print_help();
				exit(1);
			}
			filename = argv[i];
			got_file = TRUE;
		} else if(strcmp(argv[i], "--help")==0) {
			print_help();
			exit(0);
		} else if(strcmp(argv[i], "--version")==0) {
			fprintf(stderr, "Gob version %s\n", VERSION);
			exit(0);
		} else if(strcmp(argv[i], "--exit-on-warn")==0) {
			exit_on_warn = TRUE;
		} else if(strcmp(argv[i], "--no-exit-on-warn")==0) {
			exit_on_warn = FALSE;
		} else if(strcmp(argv[i], "--for-cpp")==0) {
			for_cpp = TRUE;
		} else if(strcmp(argv[i], "--no-touch-headers")==0) {
			no_touch_headers = TRUE;
		} else if(strcmp(argv[i], "--ondemand-private-header")==0) {
			private_header = PRIVATE_HEADER_ONDEMAND;
		} else if(strcmp(argv[i], "--always-private-header")==0) {
			private_header = PRIVATE_HEADER_ALWAYS;
		} else if(strcmp(argv[i], "--no-private-header")==0) {
			private_header = PRIVATE_HEADER_NEVER;
		} else if(strcmp(argv[i], "--no-gnu")==0) {
			no_gnu = TRUE;
		} else if(strcmp(argv[i], "--no-extern-c")==0) {
			no_extern_c = TRUE;
		} else if(strcmp(argv[i], "--no-write")==0) {
			no_write = TRUE;
		} else if(strcmp(argv[i], "--no-lines")==0) {
			no_lines = TRUE;
		} else if(strcmp(argv[i], "--no-self-alias")==0) {
			no_self_alias = TRUE;
		} else if(strcmp(argv[i], "--no-kill-underscores")==0) {
			no_kill_underscores = TRUE;
		} else if(strcmp(argv[i], "--")==0) {
			/*further arguments are files*/
			no_opts = TRUE;
		} else if(strncmp(argv[i], "--", 2)==0) {
			/*unknown long option*/
			fprintf(stderr, "Unknown option '%s'!\n", argv[i]);
			print_help();
			exit(1);
		} else {
			/*by now we know we have a string starting with
			  - which is a short option string*/
			char *p = argv[i]+1;
			for(p=argv[i]+1; *p; p++) {
				switch(*p) {
				case 'w':
					exit_on_warn=TRUE;
					break;
				case 'n':
					no_write = TRUE;
					break;
				case 'h':
				case '?':
					print_help();
					exit(0);
				default:
					fprintf(stderr,
						"Unknown option '%c'!\n", *p);
					print_help();
					exit(1);
				}
			}
		}
	}
}

/* this is a somewhat ugly hack, but it appears to work */
static void
compare_and_move_header(void)
{
	char *hfnew = g_strconcat("#gob#", filebase, ".h#gob#", NULL);
	char *hf = g_strconcat(filebase, ".h", NULL);
	struct stat s;
	if(stat(hf, &s)==0) {
		char *s;
		s = g_strdup_printf("cmp '%s' '%s' > /dev/null", hf, hfnew);
		if(system(s)==0) {
			if(unlink(hfnew)!=0)
				print_error(FALSE,
					    "Can't remove new header file", 0);
			g_free(hfnew);
			g_free(hf);
			g_free(s);
			return;
		}
		g_free(s);
		if(unlink(hf)!=0)
			print_error(FALSE, "Can't remove old header file", 0);
	}
	if(rename(hfnew, hf)!=0)
		print_error(FALSE, "Can't rename new header file", 0);
	g_free(hfnew);
	g_free(hf);
}

int
main(int argc, char *argv[])
{
	parse_options(argc, argv);
	
	if(filename) {
		yyin = fopen(filename, "r");
		if(!yyin) {
			fprintf(stderr, "Error: can't open file '%s'\n",
				filename);
			exit(1);
		}
	} else
		filename = "stdin";

	/*yydebug = 1;*/
	if(yyparse()!=0)
		g_error("Parsing errors, quitting");
	if(!class)
		print_error(FALSE, " no class defined", 0);
	

	exit_on_error = FALSE;

	signals = count_signals((Class *)class);
	arguments = count_arguments((Class *)class);
	overrides = count_overrides((Class *)class);
	privates = count_privates((Class *)class);
	protecteds = count_protecteds((Class *)class);
	destructors = count_destructors((Class *)class);
	initializers = count_initializers((Class *)class);

	make_bases();
	make_inits((Class *)class);
	if(destructors > 0) {
		need_destroy = TRUE;
		find_destroy((Class *)class);
	}
	if(privates > 0) {
		need_finalize = TRUE;
		find_finalize((Class *)class);
	}
	check_bad_symbols((Class *)class);
	check_duplicate_symbols((Class *)class);
	check_duplicate_overrides((Class *)class);
	check_duplicate_signals_args((Class *)class);
	check_public_new((Class *)class);
	check_vararg((Class *)class);
	check_firstarg((Class *)class);
	check_nonvoidempty((Class *)class);
	check_signal_args((Class *)class);
	check_argument_types((Class *)class);

	exit_on_error = TRUE;
	
	if(got_error)
		exit(1);

	any_special = setup_special_array((Class *)class, special_array);

	open_files();
	
	generate_outfiles();

	if(devnull)
		fclose(devnull);
	else {
		fclose(out);
		fclose(outh);
		if(outph)
			fclose(outph);
	}

	if(no_touch_headers && !no_write)
		compare_and_move_header();
	
	return 0;
}