X-Git-Url: http://git.draconx.ca/gitweb/gob-dx.git/blobdiff_plain/2310330e7d4d724bf6641339836be8523f95c916..2255b3d84eeb947d4c065332f16e410ae4704c63:/src/main.c

diff --git a/src/main.c b/src/main.c
index 35ebda6..b429ef9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -44,26 +44,38 @@ extern FILE * yyin;
 extern Node *class;
 extern GList *nodes;
 
+extern GList *include_files;
+
 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;
-static int arguments = 0;
-static int overrides = 0;
+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 gboolean made_aliases = FALSE;  /* if we made any shorthand aliases
+					  and need the REALLY UGLY HACK to
+					  avoid warnings */
 
-FILE *out;
-FILE *outh;
+FILE *out = NULL;
+FILE *outh = NULL;
+FILE *outph = NULL;
 
 gboolean no_touch_headers = FALSE;
 gboolean for_cpp = FALSE;
 gboolean exit_on_warn = FALSE;
 gboolean exit_on_error = TRUE;
 gboolean got_error = FALSE;
+gboolean always_private_header = FALSE;
+gboolean no_private_header = FALSE;
 
 void
 print_error(int is_warn, char *error,int line)
@@ -132,17 +144,19 @@ separns_replace_sep(char *base, char **ns, char **name, char r)
 		*name = s;
 }
 
+/* make a macro with some prefix before the name but after
+   namespace */
 static char *
-make_is_macro(char *base)
+make_pre_macro(char *base, char *pre)
 {
 	char *s1,*s2;
 	char *s;
 
 	separns_replace_sep(base,&s1,&s2,'_');
 	if(s1)
-		s = g_strconcat(s1,"_IS_",s2,NULL);
+		s = g_strconcat(s1,"_",pre,"_",s2,NULL);
 	else
-		s = g_strconcat("IS_",s2,NULL);
+		s = g_strconcat(pre,"_",s2,NULL);
 
 	g_strup(s);
 	
@@ -167,7 +181,8 @@ make_bases(void)
 	macrobase = replace_sep(((Class *)class)->otype,'_');
 	g_strup(macrobase);
 	
-	macrois = make_is_macro(((Class *)class)->otype);
+	macrois = make_pre_macro(((Class *)class)->otype,"IS");
+	macrotype = make_pre_macro(((Class *)class)->otype,"TYPE");
 
 	typebase = remove_sep(((Class *)class)->otype);
 
@@ -175,15 +190,28 @@ make_bases(void)
 }
 
 static void
-print_type(FILE *fp, Type *t)
+print_type(FILE *fp, Type *t, gboolean postfix_to_stars)
 {
 	char *s;
 	int i;
+	int extra;
+
 	s = remove_sep(t->name);
 	out_printf(fp,"%s ",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++;
+	}
 	
-	for(i=0;i<t->stars;i++)
+	for(i=0;i<(t->stars+extra);i++)
 		out_printf(fp,"*"); 
 }
 
@@ -195,7 +223,7 @@ print_method(FILE *fp, char *typeprefix, char *nameprefix,
 	GList *li;
 
 	out_printf(fp,"%s",typeprefix); 
-	print_type(fp,m->mtype);
+	print_type(fp,m->mtype,TRUE);
 	if(no_funcbase)
 		out_printf(fp,"%s%s%s(",
 			   nameprefix,m->id,namepostfix); 
@@ -206,12 +234,15 @@ print_method(FILE *fp, char *typeprefix, char *nameprefix,
 	if(m->args) {
 		for(li=m->args;li;li=g_list_next(li)) {
 			FuncArg *arg = li->data;
-			print_type(fp,arg->atype);
+			print_type(fp,arg->atype,FALSE);
 			if(li->next)
-				out_printf(fp,"%s, ",arg->name); 
+				out_printf(fp,"%s%s, ",arg->name,
+					   arg->atype->postfix?
+					   arg->atype->postfix:""); 
 			else
-				out_printf(fp,"%s",arg->name); 
-
+				out_printf(fp,"%s%s",arg->name,
+					   arg->atype->postfix?
+					   arg->atype->postfix:""); 
 		}
 		if(m->vararg)
 			out_printf(fp,", ..."); 
@@ -233,9 +264,9 @@ make_method_pointers(Class *c)
 		if(node->type == METHOD_NODE) {
 			Method *m = (Method *)node;
 			
-			if(m->scope == INIT_METHOD ||
-			   m->scope == CLASS_INIT_METHOD ||
-			   m->scope == OVERRIDE_METHOD)
+			if(m->method == INIT_METHOD ||
+			   m->method == CLASS_INIT_METHOD ||
+			   m->method == OVERRIDE_METHOD)
 				continue;
 
 			/* in C++ mode don't alias new */
@@ -244,6 +275,8 @@ make_method_pointers(Class *c)
 
 			print_method(out,"static ","(* ",") ","",m,TRUE);
 			out_printf(out," = %s_%s;\n",funcbase,m->id);
+
+			made_aliases = TRUE;
 		}
 	}
 	out_printf(out,"\n");
@@ -253,24 +286,26 @@ 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;
 	
 	out_printf(out,"\n\n/*REALLY BAD HACK\n"
 		   "  This is to avoid unused warnings if you don't call\n"
-		   "  some method, it pollutes the namespace but the call\n"
-		   "  is weird enough.  I need to find a better way to do\n"
+		   "  some method.  I need to find a better way to do\n"
 		   "  this */\n");
-	out_printf(out,"void __%s_really_bad_hack_to_avoid_warnings(void);\n",
-		   funcbase);
-	out_printf(out,"void\n__%s_really_bad_hack_to_avoid_warnings(void)\n"
+	out_printf(out,"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->scope == INIT_METHOD ||
-			   m->scope == CLASS_INIT_METHOD ||
-			   m->scope == OVERRIDE_METHOD)
+			if(m->method == INIT_METHOD ||
+			   m->method == CLASS_INIT_METHOD ||
+			   m->method == OVERRIDE_METHOD)
 				continue;
 
 			/* in C++ mode we don't alias new */
@@ -280,29 +315,30 @@ add_bad_hack_to_avoid_unused_warnings(Class *c)
 			out_printf(out,"\t((void (*)(void))%s)();\n",m->id);
 		}
 	}
+	out_printf(out, "\t__%s_really_bad_hack_to_avoid_warnings();\n",
+		   funcbase);
 	out_printf(out,"}\n\n");
 }
 
 static void
-put_variable(Variable *v)
+put_variable(Variable *v, FILE *fp)
 {
-	out_printf(outh,"\t");
-	if(v->scope == PRIVATE_SCOPE)
-		out_printf(outh,"/* private */ "); 
-	print_type(outh,v->vtype);
-
-	out_printf(outh,"%s;\n",v->id); 
+	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->scope != SIGNAL_LAST_METHOD &&
-	   m->scope != SIGNAL_FIRST_METHOD &&
-	   m->scope != PRIVATE_SIGNAL_LAST_METHOD &&
-	   m->scope != PRIVATE_SIGNAL_FIRST_METHOD &&
-	   m->scope != VIRTUAL_METHOD &&
-	   m->scope != PRIVATE_VIRTUAL_METHOD)
+	if(m->method != SIGNAL_LAST_METHOD &&
+	   m->method != SIGNAL_FIRST_METHOD &&
+	   m->method != VIRTUAL_METHOD)
 		return;
 
 	print_method(outh,"\t","(* ",") ",";\n",m,TRUE);
@@ -311,54 +347,55 @@ put_vs_method(Method *m)
 static void
 put_pub_method(Method *m)
 {
-	if(m->scope == PRIVATE_SCOPE ||
-	   m->scope == OVERRIDE_METHOD ||
-	   m->scope == INIT_METHOD ||
-	   m->scope == CLASS_INIT_METHOD ||
-	   m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-	   m->scope == PRIVATE_SIGNAL_FIRST_METHOD ||
-	   m->scope == PRIVATE_VIRTUAL_METHOD)
+	if(m->scope != PUBLIC_SCOPE)
 		return;
 
 	print_method(outh,"","\t","\t",";\n",m,FALSE);
 }
 
 static void
-put_priv_method_prot(Method *m)
+put_prot_method(Method *m)
 {
-	if(m->scope == PUBLIC_SCOPE)
+	if(m->scope != PROTECTED_SCOPE)
 		return;
 
-	if(m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-	   m->scope == PRIVATE_SIGNAL_FIRST_METHOD ||
-	   m->scope == PRIVATE_VIRTUAL_METHOD) {
+	if(outph)
+		print_method(outph,"","\t","\t",";\n",m,FALSE);
+	else
+		print_method(out,"","\t","\t",";\n",m,FALSE);
+}
+
+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);
-		print_method(out,"static ",""," ",";\n",m,FALSE);
-	} else if(m->scope == SIGNAL_LAST_METHOD ||
-		  m->scope == SIGNAL_FIRST_METHOD ||
-		  m->scope == VIRTUAL_METHOD) {
-		if(!m->cbuf)
-			return;
-		print_method(out,"static ","_real_"," ",";\n",m,FALSE);
-	} else {
-		print_method(out,"static ",""," ",";\n",m,FALSE);
 	}
+
+	if(m->scope == PRIVATE_SCOPE ||
+	   m->method == INIT_METHOD ||
+	   m->method == CLASS_INIT_METHOD ||
+	   (m->method == OVERRIDE_METHOD &&
+	    m->cbuf))
+		print_method(out,"static ",""," ",";\n",m,FALSE);
 }
 
 static GList *
-make_init_args(Class *cl, char *name, int is_class)
+make_func_arg(char *typename, int is_class, char *name)
 {
 	Node *node;
 	Node *type;
 	char *tn;
 	
 	if(is_class)
-		tn = g_strconcat(cl->otype,":Class",NULL);
+		tn = g_strconcat(typename,":Class",NULL);
 	else
-		tn = g_strdup(cl->otype);
+		tn = g_strdup(typename);
 
-	type = new_type(1,tn);
+	type = new_type(1,tn,NULL);
 	node = new_funcarg((Type *)type,name,NULL);
 	return g_list_prepend(NULL, node);
 }
@@ -374,11 +411,11 @@ make_inits(Class *cl)
 		Node *n = li->data;
 		if(n->type == METHOD_NODE) {
 			Method *m = (Method *)n;
-			if(m->scope == INIT_METHOD) {
+			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->scope == CLASS_INIT_METHOD) {
+			} 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;
@@ -386,36 +423,174 @@ make_inits(Class *cl)
 		}
 	}
 	if(!got_class_init) {
-		node = new_method(CLASS_INIT_METHOD,
-				  (Type *)new_type(0,g_strdup("void")),
+		node = new_method(NO_SCOPE, CLASS_INIT_METHOD,
+				  (Type *)new_type(0,g_strdup("void"),NULL),
 				  NULL,NULL,g_strdup("class_init"),
-				  make_init_args(cl,g_strdup("c"),TRUE),
+				  make_func_arg(cl->otype,TRUE,g_strdup("c")),
 				  NULL, NULL,0,0,FALSE);
 		cl->nodes = g_list_prepend(cl->nodes,node);
 	}
 	if(!got_init) {
-		node = new_method(INIT_METHOD,
-				  (Type *)new_type(0,g_strdup("void")),
+		node = new_method(NO_SCOPE, INIT_METHOD,
+				  (Type *)new_type(0,g_strdup("void"),NULL),
 				  NULL,NULL,g_strdup("init"),
-				  make_init_args(cl,g_strdup("o"),FALSE),
+				  make_func_arg(cl->otype,FALSE,g_strdup("o")),
 				  NULL, NULL,0,0,FALSE);
 		cl->nodes = g_list_prepend(cl->nodes,node);
 	}
 }
 
+static void
+make_destroy(Class *cl)
+{
+	int got_destroy = 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 == OVERRIDE_METHOD &&
+			   strcmp(m->id,"destroy")==0) {
+				if(strcmp(m->otype,"Gtk:Object")==0) {
+					got_destroy = TRUE;
+					break;
+				} else {
+					print_error(FALSE,"destroy method override "
+						    "of class other then Gtk:Object",
+						    m->line_no);
+				}
+
+			}
+		}
+	}
+	if(!got_destroy) {
+		node = new_method(NO_SCOPE, OVERRIDE_METHOD,
+				  (Type *)new_type(0,g_strdup("void"),NULL),
+				  g_strdup("Gtk:Object"),
+				  NULL,g_strdup("destroy"),
+				  make_func_arg("Gtk:Object",FALSE,g_strdup("o")),
+				  NULL,
+				  g_strdup("PARENT_HANDLER (o);\n"),
+				  0,0,FALSE);
+		cl->nodes = g_list_append(cl->nodes,node);
+		overrides++;
+	}
+}
+
+/* here we will find out how inconsistent gtk really is :) */
+/* the commented out types mean that these types don't actually
+   exist. so we "emulate them" with an equivalent */
+const struct {
+	char *gtkname;
+	char *typename;
+} our_gtk_type_table[] = {
+	{ "NONE",	"void" },
+	{ "CHAR",	"gchar" },
+	{ "UCHAR",	"guchar" },
+	{ "BOOL",	"gboolean" },
+	{ "INT",	"gint" },
+	{ "UINT",	"guint" },
+	{ "LONG",	"glong" },
+	{ "ULONG",	"gulong" },
+	{ "FLOAT",	"gfloat" },
+	{ "DOUBLE",	"gdouble" },
+	{ "STRING",	/*"GtkString"*/"gchar *" },
+	{ "ENUM",	/*"GtkEnum"*/"gint" },
+	{ "FLAGS",	/*"GtkFlags"*/"guint" },
+	{ "BOXED",	/*"GtkBoxed"*/"gpointer" },
+	{ "POINTER",	"gpointer" },
+	{ "OBJECT",	"GtkObject *" },
+	{ "SIGNAL",	/*"GtkSignal"*/"__twopointertype" },
+	{ "ARGS",	/*"GtkArgs"*/"__twopointertype" },
+	{ "CALLBACK",	/*"GtkCallback"*/"__threepointertype" },
+	{ "C_CALLBACK",	/*"GtkCCallback"*/"__twopointertype" },
+	{ "FOREIGN",	/*"GtkForeign"*/"__twopointertype" },
+
+	{ NULL, NULL }
+};
+
+static const char *
+get_cast(char *type)
+{
+	int i;
+	for(i=0;our_gtk_type_table[i].gtkname;i++) {
+		if(strcmp(our_gtk_type_table[i].gtkname,type)==0) {
+			return our_gtk_type_table[i].typename;
+		}
+	}
+	return NULL;
+}
+
+
+/* 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),
+					   (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->scope != SIGNAL_LAST_METHOD &&
-	   m->scope != SIGNAL_FIRST_METHOD &&
-	   m->scope != PRIVATE_SIGNAL_LAST_METHOD &&
-	   m->scope != PRIVATE_SIGNAL_FIRST_METHOD)
+	if(m->method != SIGNAL_LAST_METHOD &&
+	   m->method != SIGNAL_FIRST_METHOD)
 		return;
 
 	if(!marsh)
@@ -424,21 +599,26 @@ add_signal_prots(Method *m)
 	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);
 	
-	out_printf(out,"\ntypedef ");
-	print_type(out,m->mtype);
+	/* 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),s, typebase);
 	
-	out_printf(out,"(*%s) (",s);
-	
-	for(li=m->args;li;li=g_list_next(li)) {
-		FuncArg *arg = li->data;
-		print_type(out,arg->atype);
-		out_printf(out,", "); 
-	}
+	for(li=m->gtktypes->next;li;li=g_list_next(li))
+		out_printf(out,"%s, ",get_cast(li->data));
 	out_printf(out,"gpointer);\n"); 
 	
 	out_printf(out,"\nstatic void\n"
@@ -449,59 +629,20 @@ add_signal_prots(Method *m)
 		"{\n",s);
 	
 	if(strcmp(m->gtktypes->data,"NONE")==0) {
-		int i;
 		out_printf(out, "\t%s rfunc;\n\n"
 			"\trfunc = (%s)func;\n\n"
 			"\t(*rfunc)((%s *)object",s,s,typebase);
-		if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
-			GList *ali = m->args->next;
-			for(i=0,li=m->gtktypes->next;li;
-			    i++,li=g_list_next(li)) {
-				if(!for_cpp || !ali)
-					out_printf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
-						   (char *)li->data,i);
-				else {
-					FuncArg *fa = ali->data;
-					out_printf(out, ",\n\t\t(");
-					print_type(out,fa->atype);
-					out_printf(out, ")GTK_VALUE_%s(args[%d])",
-						   (char *)li->data,i);
-				}
-
-				if(ali) ali = ali->next;
-			}
-		}
-		out_printf(out, ",\n\t\tfunc_data);\n}\n\n");
 	} else {
-		int i;
 		out_printf(out, "\t%s rfunc;\n\t",s);
-		print_type(out,m->mtype);
+		print_type(out,m->mtype,TRUE);
 		out_printf(out, " *retval;\n\n"
 			"\trfunc = (%s)func;\n\n"
 			"\tretval = GTK_RETLOC_%s(args[%d]);\n\n"
 			"\t*retval = (*rfunc)((%s *)object",
 			s,(char *)m->gtktypes->data,
 			g_list_length(m->gtktypes)-1,typebase);
-		if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
-			GList *ali = m->args->next;
-			for(i=0,li=m->gtktypes->next;li;
-			    i++,li=g_list_next(li)) {
-				if(!for_cpp || !ali)
-					out_printf(out, ",\n\t\tGTK_VALUE_%s(args[%d])",
-						   (char *)li->data,i);
-				else {
-					FuncArg *fa = ali->data;
-					out_printf(out, ",\n\t\t(");
-					print_type(out,fa->atype);
-					out_printf(out, ")GTK_VALUE_%s(args[%d])",
-						   (char *)li->data,i);
-				}
-
-				if(ali) ali = ali->next;
-			}
-		}
-		out_printf(out, ",\n\t\tfunc_data);\n}\n\n");
 	}
+	print_signal_marsal_args(m);
 
 }
 
@@ -516,10 +657,8 @@ add_enums(Class *c)
 			Node *n = li->data;
 			if(n->type == METHOD_NODE) {
 				Method *m = (Method *)n;
-				if(m->scope == SIGNAL_LAST_METHOD ||
-				   m->scope == SIGNAL_FIRST_METHOD ||
-				   m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-				   m->scope == PRIVATE_SIGNAL_FIRST_METHOD) {
+				if(m->method == SIGNAL_LAST_METHOD ||
+				   m->method == SIGNAL_FIRST_METHOD) {
 					char *s = g_strdup(m->id);
 					g_strup(s);
 					out_printf(out,"\t%s_SIGNAL,\n",s);
@@ -592,11 +731,10 @@ add_overrides(Class *c, char *oname, gboolean did_gtk_obj)
 	for(li=c->nodes;li;li=g_list_next(li)) {
 		Node *n = li->data;
 		char *f;
-		Method *m;
+		Method *m = (Method *)n;
 		if(n->type != METHOD_NODE ||
-		   ((Method *)n)->scope != OVERRIDE_METHOD)
+		   m->method != OVERRIDE_METHOD)
 			continue;
-		m = (Method *)n;
 		
 		s = remove_sep(m->otype);
 		
@@ -626,22 +764,18 @@ add_signals(Class *c)
 	out_printf(out,"\n");
 	for(li=c->nodes;li;li=g_list_next(li)) {
 		Node *n = li->data;
-		Method *m;
 		char *mar;
 		char *sig;
 		int is_none;
 		int last = FALSE;
+		Method *m = (Method *)n;
 		if(n->type != METHOD_NODE ||
-		   (((Method *)n)->scope != SIGNAL_FIRST_METHOD &&
-		    ((Method *)n)->scope != SIGNAL_LAST_METHOD &&
-		    ((Method *)n)->scope != PRIVATE_SIGNAL_FIRST_METHOD &&
-		    ((Method *)n)->scope != PRIVATE_SIGNAL_LAST_METHOD))
+		   (m->method != SIGNAL_FIRST_METHOD &&
+		    m->method != SIGNAL_LAST_METHOD))
 			continue;
 
-		m = (Method *)n;
 		
-		if(m->scope == SIGNAL_FIRST_METHOD ||
-		   m->scope == PRIVATE_SIGNAL_FIRST_METHOD)
+		if(m->method == SIGNAL_FIRST_METHOD)
 			last = FALSE;
 		else
 			last = TRUE;
@@ -692,25 +826,25 @@ set_def_handlers(Class *c, char *oname)
 	out_printf(out,"\n");
 	for(li=c->nodes;li;li=g_list_next(li)) {
 		Node *n = li->data;
-		Method *m;
+		Method *m = (Method *)n;
 		if(n->type != METHOD_NODE ||
-		   (((Method *)n)->scope != SIGNAL_FIRST_METHOD &&
-		    ((Method *)n)->scope != SIGNAL_LAST_METHOD &&
-		    ((Method *)n)->scope != PRIVATE_SIGNAL_FIRST_METHOD &&
-		    ((Method *)n)->scope != PRIVATE_SIGNAL_LAST_METHOD &&
-		    ((Method *)n)->scope != VIRTUAL_METHOD &&
-		    ((Method *)n)->scope != PRIVATE_VIRTUAL_METHOD &&
-		    ((Method *)n)->scope != OVERRIDE_METHOD))
+		   (m->method != SIGNAL_FIRST_METHOD &&
+		    m->method != SIGNAL_LAST_METHOD &&
+		    m->method != VIRTUAL_METHOD &&
+		    m->method != OVERRIDE_METHOD))
 			continue;
 
-		m = (Method *)n;
 
-		if(m->scope == OVERRIDE_METHOD) {
+		if(m->method == OVERRIDE_METHOD) {
 			char *s;
 			s = replace_sep(m->otype,'_');
 			g_strdown(s);
-			out_printf(out,"\t%s_class->%s = %s_%s;\n",
-				s,m->id,funcbase,m->id);
+			if(m->cbuf)
+				out_printf(out,"\t%s_class->%s = %s_%s;\n",
+					   s,m->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",
@@ -775,14 +909,20 @@ add_inits(Class *c)
 		if(n->type != METHOD_NODE)
 			continue;
 		m = (Method *)n;
-		if(m->scope == INIT_METHOD) {
+		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);
 			if(m->line_no>0)
 				out_addline_outfile(out);
 			out_printf(out,"{\n");
-		} else if(m->scope == CLASS_INIT_METHOD) {
+			if(privates>0) {
+				out_printf(out,"\t%s->_priv = "
+					   "g_new0 (%sPrivate,1);\n",
+					   ((FuncArg *)m->args->data)->name,
+					   typebase);
+			}
+		} else if(m->method == CLASS_INIT_METHOD) {
 			if(m->line_no>0)
 				out_addline_infile(out,m->line_no);
 			print_method(out,"static ","\n"," ","\n",m,FALSE);
@@ -822,9 +962,9 @@ add_inits(Class *c)
 		if(m->cbuf) {
 			out_printf(out," {\n");
 			out_addline_infile(out,m->ccode_line);
-			out_printf(out,"%s\n",m->cbuf->str);
+			out_printf(out,"%s\n",m->cbuf);
 			out_addline_outfile(out);
-			out_printf(out," }\n",m->cbuf->str);
+			out_printf(out," }\n");
 		} else {
 			out_printf(out,"return;\n");
 		}
@@ -850,7 +990,7 @@ add_getset_arg(Class *c, int is_set)
 		Node *n = li->data;
 		Argument *a;
 		char *s;
-		GString *cbuf;
+		char *cbuf;
 		int line_no;
 		if(n->type != ARGUMENT_NODE)
 			continue;
@@ -872,7 +1012,7 @@ add_getset_arg(Class *c, int is_set)
 			s,a->gtktype);
 		g_free(s);
 		out_addline_infile(out,line_no);
-		out_printf(out,"%s\n",cbuf->str);
+		out_printf(out,"%s\n",cbuf);
 		out_addline_outfile(out);
 		out_printf(out,"\t\t}\n\t\tbreak;\n"
 			"#undef ARG\n");
@@ -884,7 +1024,7 @@ static void
 print_checks(Method *m, FuncArg *fa)
 {
 	GList *li;
-	int is_void;
+	gboolean is_void;
 	is_void = (strcmp(m->mtype->name,"void")==0 &&
 		   m->mtype->stars == 0);
 	
@@ -900,7 +1040,7 @@ print_checks(Method *m, FuncArg *fa)
 			out_printf(out,"%s != NULL",fa->name);
 			break;
 		case TYPE_CHECK:
-			s = make_is_macro(fa->atype->name);
+			s = make_pre_macro(fa->atype->name,"IS");
 			out_printf(out,"%s (%s)",s,fa->name);
 			g_free(s);
 			break;
@@ -927,7 +1067,7 @@ print_checks(Method *m, FuncArg *fa)
 			out_printf(out,");\n");
 		else {
 			out_printf(out,", (");
-			print_type(out,m->mtype);
+			print_type(out,m->mtype,TRUE);
 			out_printf(out,")%s);\n",
 				m->onerror?m->onerror:"0");
 		}
@@ -946,78 +1086,114 @@ print_preconditions(Method *m)
 	}
 }
 
+/* put in code if it's needed */
+static void
+put_in_gen_code(Method *m)
+{
+	/* now we only have the freeing of the private structure */
+	if(privates>0 &&
+	   m->method == OVERRIDE_METHOD &&
+	   strcmp(m->id,"destroy")==0) {
+		out_printf(out,"\tg_free (%s (%s)->_priv);\n"
+			   "\t%s (%s)->_priv = NULL;\n",
+			   macrobase,
+			   ((FuncArg *)m->args->data)->name,
+			   macrobase,
+			   ((FuncArg *)m->args->data)->name);
+
+	}
+}
+
 static void
 print_method_body(Method *m, int pre)
 {
 	out_printf(out,"{\n");
-	if(pre) {
+	if(pre)
 		print_preconditions(m);
-		out_printf(out,"\t{\n");
+	put_in_gen_code(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");
+		out_addline_infile(out,m->ccode_line);
+		out_printf(out,"\t%s}",m->cbuf);
 	}
 
-	out_addline_infile(out,m->ccode_line);
-	out_printf(out,"\t\t%s\n",m->cbuf->str);
-	out_addline_outfile(out);
-
-	if(pre)
-		out_printf(out,"\t}\n");
 	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);
+		/* 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 void
 put_method(Method *m)
 {
 	char *s;
-	int private = FALSE;
+	gboolean is_void;
+	is_void = (strcmp(m->mtype->name,"void")==0 &&
+		   m->mtype->stars == 0);
 	out_printf(out,"\n");
-	switch(m->scope) {
-	case PUBLIC_SCOPE:
-		out_addline_infile(out,m->line_no);
-		print_method(out,"","\n"," ","\n",m,FALSE);
-		print_method_body(m,TRUE);
-		break;
-	case PRIVATE_SCOPE:
+	switch(m->method) {
+	case REGULAR_METHOD:
 		out_addline_infile(out,m->line_no);
-		print_method(out,"static ","\n"," ","\n",m,FALSE);
+		if(m->scope == PRIVATE_SCOPE)
+			print_method(out,"static ","\n"," ","\n",m,FALSE);
+		else /* PUBLIC, PROTECTED */
+			print_method(out,"","\n"," ","\n",m,FALSE);
 		print_method_body(m,TRUE);
 		break;
-	case PRIVATE_SIGNAL_FIRST_METHOD:
-	case PRIVATE_SIGNAL_LAST_METHOD:
-		private = TRUE;
 	case SIGNAL_FIRST_METHOD:
 	case SIGNAL_LAST_METHOD:
 		out_addline_infile(out,m->line_no);
-		print_method(out,private?"static ":"","\n"," ","\n",m,FALSE);
+		if(m->scope == PRIVATE_SCOPE)
+			print_method(out,"static ","\n"," ","\n",m,FALSE);
+		else
+			print_method(out,"","\n"," ","\n",m,FALSE);
 		out_addline_outfile(out);
 		out_printf(out,"{\n");
 		s = g_strdup(m->id);
 		g_strup(s);
 		if(strcmp(m->mtype->name,"void")==0 &&
 		   m->mtype->stars==0) {
-			GList *li;
 			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);
-			for(li=m->args->next;li;li=g_list_next(li)) {
-				FuncArg *fa = li->data;
-				out_printf(out,",\n\t\t%s",fa->name);
-			}
+			put_signal_args(m);
 			out_printf(out,");\n}\n");
 		} else {
-			GList *li;
 			out_printf(out,"\t");
-			print_type(out,m->mtype);
+			print_type(out,m->mtype,TRUE);
 			out_printf(out,"return_val;\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);
-			for(li=m->args->next;li;li=g_list_next(li)) {
-				FuncArg *fa = li->data;
-				out_printf(out,",\n\t\t%s",fa->name);
-			}
+			put_signal_args(m);
 			out_printf(out,",\n\t\t&return_val);\n"
 				"\treturn return_val;\n}\n");
 		}
@@ -1028,11 +1204,12 @@ put_method(Method *m)
 		print_method(out,"static ","\n_real_"," ","\n",m,FALSE);
 		print_method_body(m,FALSE);
 		break;
-	case PRIVATE_VIRTUAL_METHOD:
-		private = TRUE;
 	case VIRTUAL_METHOD:
 		out_addline_infile(out,m->line_no);
-		print_method(out,private?"static ":"","\n"," ","\n",m,FALSE);
+		if(m->scope==PRIVATE_SCOPE)
+			print_method(out,"static ","\n"," ","\n",m,FALSE);
+		else
+			print_method(out,"","\n"," ","\n",m,FALSE);
 		out_addline_outfile(out);
 		out_printf(out,"{\n"
 			"\t%sClass *klass;\n",typebase);
@@ -1061,7 +1238,7 @@ put_method(Method *m)
 			out_printf(out,");\n"
 				"\telse\n"
 				"\t\treturn (");
-			print_type(out,m->mtype);
+			print_type(out,m->mtype,TRUE);
 			out_printf(out,")(%s);\n}\n",
 				m->onerror?m->onerror:"0");
 		}
@@ -1073,9 +1250,31 @@ put_method(Method *m)
 		print_method_body(m,FALSE);
 		break;
 	case OVERRIDE_METHOD:
+		if(!m->cbuf)
+			break;
 		out_addline_infile(out,m->line_no);
 		print_method(out,"static ","\n"," ","\n",m,FALSE);
+		s = replace_sep(m->otype,'_');
+		g_strup(s);
+		if(is_void) {
+			out_printf(out,"#define PARENT_HANDLER(args...) \\\n"
+				   "\t{ if(%s_CLASS(parent_class)->%s) \\\n"
+				   "\t\t(* %s_CLASS(parent_class)->%s)(##args); }\n",
+				   s,m->id,s,m->id);
+		} else {
+			out_printf(out,"#define PARENT_HANDLER(args...) \\\n"
+				   "\t((%s_CLASS(parent_class)->%s)? \\\n"
+				   "\t\t(* %s_CLASS(parent_class)->%s)(##args): \\\n"
+				   "\t\t(",
+				   s,m->id,s,m->id);
+			out_printf(out,"(");
+			print_type(out,m->mtype,TRUE);
+			out_printf(out,")%s))\n",
+				   m->onerror?m->onerror:"0");
+		}
+		g_free(s);
 		print_method_body(m,TRUE);
+		out_printf(out,"#undef PARENT_HANDLER\n");
 		break;
 	default:
 		break;
@@ -1083,7 +1282,7 @@ put_method(Method *m)
 }
 
 static void
-check_duplicate(Class *c,Node *node,char *id, int line_no)
+check_duplicate(Class *c, Node *node, char *id, int line_no)
 {
 	GList *l;
 	for(l=c->nodes;l;l=g_list_next(l)) {
@@ -1103,7 +1302,8 @@ check_duplicate(Class *c,Node *node,char *id, int line_no)
 			continue;
 		if(n==node ||
 		   line_no>=nline_no ||
-		   strcmp(nid,id)!=0)
+		   strcmp(nid,id)!=0 ||
+		   n->type != node->type)
 			continue;
 		s = g_strdup_printf("symbol '%s' redefined, "
 				    "first defined on line %d",
@@ -1128,6 +1328,41 @@ check_duplicate_symbols(Class *c)
 	}
 }
 
+static void
+check_bad_symbols(Class *c)
+{
+	GList *l;
+	for(l=c->nodes;l;l=g_list_next(l)) {
+		Node *n = l->data;
+		if(n->type == METHOD_NODE) {
+			Method *m = (Method *)n;
+			if((m->method == SIGNAL_LAST_METHOD ||
+			    m->method == SIGNAL_FIRST_METHOD ||
+			    m->method == VIRTUAL_METHOD) &&
+			   strcmp(m->id,"__parent__")==0) {
+				char *s;
+				s = g_strdup_printf("'%s' not allowed as an "
+						    "identifier of signal "
+						    "or virtual methods",
+						    m->id);
+				print_error(FALSE,s,m->line_no);
+				g_free(s);
+			}
+		} else if(n->type == VARIABLE_NODE) {
+			Variable *v = (Variable *)n;
+			if(strcmp(v->id,"_priv")==0 ||
+			   strcmp(v->id,"__parent__")==0) {
+			char *s;
+				s = g_strdup_printf("'%s' not allowed as a data "
+						    "member name",v->id);
+				print_error(FALSE,s,v->line_no);
+				g_free(s);
+			}
+		}
+	}
+}
+
+
 static void
 check_duplicate_named(Class *c,Node *node,char *id, int line_no)
 {
@@ -1139,10 +1374,8 @@ check_duplicate_named(Class *c,Node *node,char *id, int line_no)
 		char *s;
 		if(n->type == METHOD_NODE) {
 			Method *m = (Method *)n;
-			if(m->scope == SIGNAL_LAST_METHOD ||
-			   m->scope == SIGNAL_FIRST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_FIRST_METHOD) {
+			if(m->method == SIGNAL_LAST_METHOD ||
+			   m->method == SIGNAL_FIRST_METHOD) {
 				nid = m->id;
 				nline_no = m->line_no;
 			} else
@@ -1172,10 +1405,8 @@ check_duplicate_signals_args(Class *c)
 		Node *n = l->data;
 		if(n->type == METHOD_NODE) {
 			Method *m = (Method *)n;
-			if(m->scope == SIGNAL_LAST_METHOD ||
-			   m->scope == SIGNAL_FIRST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_FIRST_METHOD)
+			if(m->method == SIGNAL_LAST_METHOD ||
+			   m->method == SIGNAL_FIRST_METHOD)
 				check_duplicate_named(c,n,m->id,m->line_no);
 		} else if(n->type == ARGUMENT_NODE) {
 			Argument *a = (Argument *)n;
@@ -1192,10 +1423,12 @@ check_public_new(Class *c)
 		Node *n = l->data;
 		if(n->type == METHOD_NODE) {
 			Method *m = (Method *)n;
-			if(m->scope!=PUBLIC_SCOPE &&
-			   strcmp(m->id,"new")==0)
+			if((strcmp(m->id,"new")==0) &&
+			   (m->method != REGULAR_METHOD ||
+			    m->scope != PUBLIC_SCOPE))
 				print_error(TRUE,
-					    "'new' should be a public method",
+					    "'new' should be a regular\n"
+					    "public method",
 					    m->line_no);
 		}
 	}
@@ -1211,13 +1444,10 @@ check_vararg(Class *c)
 			Method *m = (Method *)n;
 			if(!m->vararg)
 				continue;
-			if(m->scope == OVERRIDE_METHOD ||
-			   m->scope == SIGNAL_LAST_METHOD ||
-			   m->scope == SIGNAL_FIRST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_FIRST_METHOD ||
-			   m->scope == VIRTUAL_METHOD ||
-			   m->scope == PRIVATE_VIRTUAL_METHOD) {
+			if(m->method == OVERRIDE_METHOD ||
+			   m->method == SIGNAL_LAST_METHOD ||
+			   m->method == SIGNAL_FIRST_METHOD ||
+			   m->method == VIRTUAL_METHOD) {
 				print_error(FALSE,
 					    "signals, overrides and virtuals, "
 					    "can't have variable argument "
@@ -1228,6 +1458,85 @@ check_vararg(Class *c)
 	}
 }
 
+static void
+check_firstarg(Class *c)
+{
+	GList *l;
+	for(l=c->nodes;l;l=g_list_next(l)) {
+		Node *n = l->data;
+		if(n->type == METHOD_NODE) {
+			Method *m = (Method *)n;
+			if(m->args)
+				continue;
+			if(m->method == OVERRIDE_METHOD ||
+			   m->method == SIGNAL_LAST_METHOD ||
+			   m->method == SIGNAL_FIRST_METHOD ||
+			   m->method == VIRTUAL_METHOD) {
+				print_error(FALSE,
+					    "signals, overrides and virtuals, "
+					    "can't have no arguments",
+					    m->line_no);
+			}
+		}
+	}
+}
+
+static void
+check_nonvoidempty(Class *c)
+{
+	GList *l;
+	for(l=c->nodes;l;l=g_list_next(l)) {
+		Node *n = l->data;
+		if(n->type == METHOD_NODE) {
+			Method *m = (Method *)n;
+			if(m->method != REGULAR_METHOD)
+				continue;
+			if(!(strcmp(m->mtype->name,"void")==0 &&
+			     m->mtype->stars == 0) &&
+			   !m->cbuf) {
+				print_error(TRUE,
+					    "non-void empty method found, "
+					    "regular non-void function should "
+					    "not be empty.",
+					    m->line_no);
+				/* add a body here, so that the user will also
+				   get a warning from gcc, and so that it will
+				   at least point him to the prototype of the
+				   function in the .gob file */
+				m->cbuf = g_strdup("/*empty*/");
+				m->ccode_line = m->line_no;
+			}
+		}
+	}
+}
+
+static void
+check_signal_args(Class *c)
+{
+	GList *l;
+	for(l=c->nodes;l;l=g_list_next(l)) {
+		Node *n = l->data;
+		if(n->type == METHOD_NODE) {
+			Method *m = (Method *)n;
+			GList *l;
+			if(m->method != SIGNAL_LAST_METHOD &&
+			   m->method != SIGNAL_FIRST_METHOD)
+				continue;
+
+			for(l=m->gtktypes;l;l=l->next) {
+				char *s;
+				if(get_cast(l->data))
+					continue;
+				s = g_strdup_printf("Unknown GTK+ type '%s' "
+						    "among signal types",
+						    (char *)l->data);
+				print_error(FALSE, s, m->line_no);
+				g_free(s);
+			}
+		}
+	}
+}
+
 static int
 count_signals(Class *c)
 {
@@ -1237,10 +1546,8 @@ count_signals(Class *c)
 		Node *n = l->data;
 		if(n->type == METHOD_NODE) {
 			Method *m = (Method *)n;
-			if(m->scope == SIGNAL_LAST_METHOD ||
-			   m->scope == SIGNAL_FIRST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_LAST_METHOD ||
-			   m->scope == PRIVATE_SIGNAL_FIRST_METHOD)
+			if(m->method == SIGNAL_LAST_METHOD ||
+			   m->method == SIGNAL_FIRST_METHOD)
 				num++;
 		}
 	}
@@ -1270,7 +1577,39 @@ count_overrides(Class *c)
 		Node *n = l->data;
 		if(n->type == METHOD_NODE) {
 			Method *m = (Method *)n;
-			if(m->scope == OVERRIDE_METHOD)
+			if(m->method == OVERRIDE_METHOD)
+				num++;
+		}
+	}
+	return num;
+}
+
+static int
+count_privates(Class *c)
+{
+	int num = 0;
+	GList *l;
+	for(l=c->nodes;l;l=g_list_next(l)) {
+		Node *n = l->data;
+		if(n->type == VARIABLE_NODE) {
+			Variable *v = (Variable *)n;
+			if(v->scope == PRIVATE_SCOPE)
+				num++;
+		}
+	}
+	return num;
+}
+
+static int
+count_protecteds(Class *c)
+{
+	int num = 0;
+	GList *l;
+	for(l=c->nodes;l;l=g_list_next(l)) {
+		Node *n = l->data;
+		if(n->type == METHOD_NODE) {
+			Method *m = (Method *)n;
+			if(m->scope == PROTECTED_SCOPE)
 				num++;
 		}
 	}
@@ -1281,7 +1620,7 @@ count_overrides(Class *c)
 static void
 open_files(void)
 {
-	char *outfile,*outfileh;
+	char *outfile,*outfileh,*outfileph;
 
 	if(!for_cpp)
 		outfile = g_strconcat(filebase,".c",NULL);
@@ -1291,6 +1630,13 @@ open_files(void)
 		outfileh = g_strconcat("#gob#",filebase,".h#gob#",NULL);
 	else
 		outfileh = g_strconcat(filebase,".h",NULL);
+
+	if((privates>0 || protecteds>0 || always_private_header) &&
+	   !no_private_header)
+		outfileph = g_strconcat(filebase,"-private.h",NULL);
+	else
+		outfileph = NULL;
+
 	
 	out = fopen(outfile,"w");
 	if(!out) {
@@ -1300,6 +1646,12 @@ open_files(void)
 	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
@@ -1308,10 +1660,14 @@ generate_outfiles(void)
 	char *p;
 	GList *li;
 	time_t curtime;
+	gboolean found_header;
 
 	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));
 	
@@ -1319,15 +1675,50 @@ generate_outfiles(void)
 	g_strup(p);
 	out_printf(outh,"#ifndef __%s_H__\n#define __%s_H__\n\n"
 		"#include <gtk/gtk.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(!for_cpp)
+	if(!for_cpp) {
 		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");
+	}
 	
-	out_printf(out,"#include \"%s.h\"\n\n",filebase);
-	
+	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);
+	}
+
 	for(li=nodes;li;li=g_list_next(li)) {
 		Node *node = li->data;
 		if(node->type == CCODE_NODE) {
@@ -1341,19 +1732,26 @@ generate_outfiles(void)
 				out_printf(fp,"\n");
 				out_addline_infile(fp,cc->line_no);
 			}
-			out_printf(fp,"%s\n",cc->cbuf->str);
+			out_printf(fp,"%s\n",cc->cbuf);
 			if(!cc->header)
 				out_addline_outfile(fp);
 		} else if(node->type == CLASS_NODE) {
-			GList *l;
 			Class *c = (Class *)class;
-			char *otype,*ptype;
+			GList *l;
 
-			signals = count_signals(c);
-			arguments = count_arguments(c);
-			overrides = count_overrides(c);
-			
-			out_printf(outh,"\n#define %s(obj)\t"
+			out_printf(out,"/* utility types we may need */\n");
+			out_printf(out,"typedef struct { "
+				   "gpointer a; gpointer b; "
+				   "} __twopointertype;\n");
+			out_printf(out,"typedef struct { "
+				   "gpointer a; gpointer b; "
+				   "gpointer c; "
+				   "} __threepointertype;\n");
+
+			out_printf(outh,"\n#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"
@@ -1363,23 +1761,62 @@ generate_outfiles(void)
 				"GTK_CHECK_TYPE((obj), %s_get_type ())\n\n",
 				macrois,funcbase);
 
-			otype = remove_sep(c->otype);
-			ptype = remove_sep(c->ptype);
-			out_printf(outh,"\ntypedef struct _%s %s;\n",otype,otype);
+			if(privates>0)
+				out_printf(outh,"\ntypedef struct _%sPrivate %sPrivate;\n",typebase,typebase);
+
+			out_printf(outh,"\ntypedef struct _%s %s;\n",typebase,typebase);
 			out_printf(outh,"struct _%s {\n\t%s __parent__;\n",
-				   otype,ptype);
+				   typebase,ptypebase);
 			for(l=c->nodes;l;l=g_list_next(l)) {
 				Node *n = l->data;
-				if(n->type == VARIABLE_NODE)
-					put_variable((Variable *)n);
+				Variable *v = (Variable *)n;
+				if(n->type == VARIABLE_NODE &&
+				   v->scope == PUBLIC_SCOPE)
+					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)
+					put_variable((Variable *)n,outh);
+			}
+			if(privates>0)
+				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,"\ntypedef struct _%sClass %sClass;\n",
-				otype,otype);
+				typebase,typebase);
 			out_printf(outh,
 				"struct _%sClass {\n\t%sClass __parent__;\n",
-				otype,ptype);
+				typebase,ptypebase);
 			for(l=c->nodes;l;l=g_list_next(l)) {
 				Node *n = l->data;
 				if(n->type == METHOD_NODE)
@@ -1398,10 +1835,12 @@ generate_outfiles(void)
 					   "guint arg_id);\n");
 			}
 
+			out_printf(out,"/* here are local prototypes */\n");
 			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);
 				}
 			}
@@ -1409,9 +1848,8 @@ generate_outfiles(void)
 			if(signals>0) {
 				for(l=c->nodes;l;l=g_list_next(l)) {
 					Node *n = l->data;
-					if(n->type == METHOD_NODE) {
+					if(n->type == METHOD_NODE)
 						add_signal_prots((Method *)n);
-					}
 				}
 			}
 			
@@ -1441,9 +1879,6 @@ generate_outfiles(void)
 			out_printf(out,"#undef GET_NEW\n");
 
 			add_bad_hack_to_avoid_unused_warnings(c);
-
-			g_free(otype);
-			g_free(ptype);
 		} else
 			g_assert_not_reached();
 	}
@@ -1453,6 +1888,13 @@ generate_outfiles(void)
 			   "}\n"
 			   "#endif /* __cplusplus */\n");
 	out_printf(outh,"\n#endif");
+	if(outph) {
+		if(!for_cpp)
+			out_printf(outph,"\n#ifdef __cplusplus\n"
+				   "}\n"
+				   "#endif /* __cplusplus */\n");
+		out_printf(outph,"\n#endif");
+	}
 }
 
 #if 0
@@ -1470,12 +1912,20 @@ print_help(void)
 {
 	fprintf(stderr,"Gob version %s\n\n",VERSION);
 	fprintf(stderr,"Options:\n"
-		"\t--help,-h,-?         Display this help\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-touch-headers   Don't touch headers unless they "
-		                       "really changed\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-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\n"
+		"\t--no-private-header     Don't create a private header, "
+					  "put private\n"
+	  	"\t                        structure and protected "
+					  "prototypes inside c file\n");
 }
 
 static void
@@ -1500,6 +1950,9 @@ parse_options(int argc, char *argv[])
 		} 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) {
@@ -1508,6 +1961,12 @@ parse_options(int argc, char *argv[])
 			for_cpp = TRUE;
 		} else if(strcmp(argv[i],"--no-touch-headers")==0) {
 			no_touch_headers = TRUE;
+		} else if(strcmp(argv[i],"--always-private-header")==0) {
+			no_private_header = FALSE;
+			always_private_header = TRUE;
+		} else if(strcmp(argv[i],"--no-private-header")==0) {
+			always_private_header = FALSE;
+			no_private_header = TRUE;
 		} else if(strcmp(argv[i],"--")==0) {
 			/*further arguments are files*/
 			no_opts = TRUE;
@@ -1540,6 +1999,7 @@ parse_options(int argc, char *argv[])
 	}
 }
 
+/* this is a somewhat ugly hack, but it appears to work */
 static void
 compare_and_move_header(void)
 {
@@ -1619,14 +2079,28 @@ main(int argc, char *argv[])
 	if(!class)
 		print_error(FALSE," no class defined",0);
 	
-	make_bases();
-	
+
 	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);
+
+	make_bases();
 	make_inits((Class *)class);
+	if(privates>0)
+		make_destroy((Class *)class);
+	check_bad_symbols((Class *)class);
 	check_duplicate_symbols((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);
+
 	exit_on_error = TRUE;
 	
 	if(got_error)