]> git.draconx.ca Git - gob-dx.git/blobdiff - src/main.c
Release 0.93.3
[gob-dx.git] / src / main.c
index dedf432f1e327c2e2f19f0c5564586fa61e3a87e..09f59c254a86bc03f0a357645dbe8cf91a51d8ef 100644 (file)
@@ -28,7 +28,7 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 
-#include "tree.h"
+#include "treefuncs.h"
 #include "parse.h"
 #include "out.h"
 #include "util.h"
@@ -63,11 +63,17 @@ 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;
+
 FILE *out = NULL;
 FILE *outh = NULL;
 FILE *outph = NULL;
@@ -83,6 +89,7 @@ gboolean always_private_header = FALSE;
 gboolean no_private_header = FALSE;
 gboolean no_extern_c = FALSE;
 gboolean no_write = FALSE;
+gboolean no_lines = FALSE;
 
 static void
 make_bases(void)
@@ -119,7 +126,6 @@ get_type(Type *t, gboolean postfix_to_stars)
        gs = g_string_new(s);
        g_free(s);
 
-
        extra = 0;
        if(postfix_to_stars) {
                char *p;
@@ -130,7 +136,7 @@ get_type(Type *t, gboolean postfix_to_stars)
                for(p=t->postfix; p && *p; p++)
                        if(*p == '[') extra++;
        }
-       g_string_append_c(gs,' ');
+       g_string_append_c(gs, ' ');
        
        for(i=0; i<(t->stars+extra); i++)
                g_string_append_c(gs, '*');
@@ -187,7 +193,7 @@ print_method(FILE *fp, char *typeprefix, char *nameprefix,
                out_printf(fp, "%s%s%s%s(",
                           nameprefix, subnameprefix, m->id, namepostfix); 
        else
-               out_printf(fp,"%s%s_%s%s%s(",
+               out_printf(fp, "%s%s_%s%s%s(",
                           nameprefix, funcbase, subnameprefix, m->id,
                           namepostfix); 
        
@@ -214,6 +220,27 @@ print_method(FILE *fp, char *typeprefix, char *nameprefix,
        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)
@@ -471,7 +498,7 @@ make_inits(Class *cl)
                                  (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, 0, 0, FALSE);
+                                 NULL, NULL, NULL, 0, 0, FALSE);
                cl->nodes = g_list_prepend(cl->nodes,node);
        }
        if(!got_init) {
@@ -479,7 +506,7 @@ make_inits(Class *cl)
                                  (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, 0, 0, FALSE);
+                                 NULL, NULL, NULL, 0, 0, FALSE);
                cl->nodes = g_list_prepend(cl->nodes,node);
        }
 }
@@ -512,7 +539,7 @@ make_finalize(Class *cl)
                                  g_strdup("Gtk:Object"),
                                  NULL, NULL, g_strdup("finalize"),
                                  make_func_arg("Gtk:Object",FALSE,g_strdup("o")),
-                                 NULL,
+                                 NULL, NULL,
                                  g_strdup("PARENT_HANDLER (o);\n"),
                                  0,0,FALSE);
                cl->nodes = g_list_append(cl->nodes,node);
@@ -559,7 +586,7 @@ find_same_type_signal(Method *m)
 static void
 print_signal_marsal_args(Method *m)
 {
-       if(strcmp(m->gtktypes->next->data,"NONE")!=0) {
+       if(strcmp(m->gtktypes->next->data, "NONE")!=0) {
                GList *li;
                int i;
                for(i=0,li=m->gtktypes->next;li;
@@ -570,7 +597,7 @@ print_signal_marsal_args(Method *m)
                        else {
                                out_printf(out, ",\n\t\t(%s)"
                                           "GTK_VALUE_%s(args[%d])",
-                                          get_cast(li->data,FALSE),
+                                          get_cast(li->data, FALSE),
                                           (char *)li->data,i);
                        }
                }
@@ -594,8 +621,8 @@ add_signal_prots(Method *m)
        if(!marsh)
                marsh = g_hash_table_new(NULL,NULL);
        
-       if(strcmp(m->gtktypes->data,"NONE")==0 &&
-          strcmp(m->gtktypes->next->data,"NONE")==0)
+       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 */
@@ -608,16 +635,18 @@ add_signal_prots(Method *m)
        
        s = g_strdup_printf("Sig%d",sig++);
        
-       g_hash_table_insert(marsh,m,s);
-       eq_signal_methods = g_list_prepend(eq_signal_methods,m);
+       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);
+       out_printf(out, "\ntypedef %s (*___%s) (%s *, ",
+                  get_cast(m->gtktypes->data, FALSE), s, typebase);
        
-       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"); 
+       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"
@@ -626,19 +655,20 @@ add_signal_prots(Method *m)
                "\tGtkArg * args)\n"
                "{\n",s);
        
-       if(strcmp(m->gtktypes->data,"NONE")==0) {
+       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);
+                       "\t(*rfunc)((%s *)object", s, s, typebase);
        } else {
-               out_printf(out, "\t___%s rfunc;\n\t",s);
-               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);
+               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);
 
@@ -685,6 +715,7 @@ add_enums(Class *c)
                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);
 }
 
@@ -842,7 +873,7 @@ add_signals(Class *c)
                flags = make_run_signal_flags(m, last);
                out_printf(out,"\tobject_signals[%s_SIGNAL] =\n"
                        "\t\tgtk_signal_new (\"%s\",\n"
-                       "\t\t\%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"
@@ -872,6 +903,7 @@ 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)) {
@@ -884,26 +916,35 @@ set_def_handlers(Class *c, char *oname)
                    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,'_');
+                       s = replace_sep(m->otype, '_');
                        g_strdown(s);
                        if(m->cbuf)
                                out_printf(out,"\t%s_class->%s = %s_%s;\n",
-                                          s,m->id,funcbase,m->id);
+                                          s, m->id, funcbase, m->id);
                        else
                                out_printf(out,"\t%s_class->%s = NULL;\n",
-                                          s,m->id);
+                                          s, m->id);
                } else {
                        if(m->cbuf)
                                out_printf(out,"\t%s->%s = ___real_%s_%s;\n",
-                                       oname,m->id,funcbase,m->id);
+                                       oname, m->id, funcbase, m->id);
                        else
                                out_printf(out,"\t%s->%s = NULL;\n",
-                                       oname,m->id);
+                                       oname, m->id);
                }
        }
+       if(set_line)
+               out_addline_outfile(out);
 }
 
 static void
@@ -970,9 +1011,9 @@ make_arguments(Class *c)
                        "\t\tGTK_TYPE_%s,\n"
                        "\t\t%s,\n"
                        "\t\tARG_%s);\n",
-                       typebase,a->name,a->gtktype,flags->str,s);
+                       typebase, a->name, a->gtktype, flags->str, s);
                g_free(s);
-               g_string_free(flags,TRUE);
+               g_string_free(flags, TRUE);
        }
        
        out_printf(out,
@@ -980,6 +1021,32 @@ make_arguments(Class *c)
                   "\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
 add_inits(Class *c)
 {
@@ -991,25 +1058,36 @@ add_inits(Class *c)
                        continue;
                m = (Method *)n;
                if(m->method == INIT_METHOD) {
-                       if(m->line_no>0)
+                       if(m->line_no > 0)
                                out_addline_infile(out,m->line_no);
                        print_method(out, "static ", "\n", "", " ", "\n",
                                     m, FALSE, FALSE);
-                       if(m->line_no>0)
+                       if(m->line_no > 0)
                                out_addline_outfile(out);
                        out_printf(out,"{\n");
-                       if(privates>0) {
+                       if(privates > 0) {
                                out_printf(out,"\t%s->_priv = "
-                                          "g_new0 (%sPrivate,1);\n",
+                                          "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;
+                                       if(n->type != VARIABLE_NODE)
+                                               continue;
+                                       print_initializer(m, (Variable *)n);
+                               }
+                       }
                } else if(m->method == CLASS_INIT_METHOD) {
-                       if(m->line_no>0)
+                       if(m->line_no > 0)
                                out_addline_infile(out, m->line_no);
                        print_method(out, "static ", "\n", "", " ", "\n",
                                     m, FALSE, FALSE);
-                       if(m->line_no>0)
+                       if(m->line_no > 0)
                                out_addline_outfile(out);
                        out_printf(out,"{\n");
                        if(signals>0 ||
@@ -1056,7 +1134,7 @@ add_inits(Class *c)
 }
 
 static void
-add_getset_arg(Class *c, int is_set)
+add_getset_arg(Class *c, gboolean is_set)
 {
        GList *li;
        out_printf(out,"\nstatic void\n"
@@ -1089,14 +1167,52 @@ add_getset_arg(Class *c, int is_set)
                        continue;
                s = g_strdup(a->name);
                g_strup(s);
-               out_printf(out,"\tcase ARG_%s:\n"
-                       "#define ARG (GTK_VALUE_%s(*arg))\n"
-                       "\t\t{\n",
-                       s,a->gtktype);
+               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);
-               out_addline_infile(out,line_no);
+               if(line_no > 0)
+                       out_addline_infile(out, line_no);
                out_printf(out,"%s\n",cbuf);
-               out_addline_outfile(out);
+               if(line_no > 0)
+                       out_addline_outfile(out);
                out_printf(out,"\t\t}\n\t\tbreak;\n"
                        "#undef ARG\n");
        }
@@ -1109,32 +1225,32 @@ print_checks(Method *m, FuncArg *fa)
        GList *li;
        gboolean is_void;
        gboolean checked_null = FALSE;
-       is_void = (strcmp(m->mtype->name,"void")==0 &&
+       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)
+               if(m->line_no > 0)
                        out_addline_infile(out,m->line_no);
                if(is_void)
-                       out_printf(out,"\tg_return_if_fail (");
+                       out_printf(out, "\tg_return_if_fail (");
                else
-                       out_printf(out,"\tg_return_val_if_fail (");
+                       out_printf(out, "\tg_return_val_if_fail (");
                switch(ch->chtype) {
                case NULL_CHECK:
-                       out_printf(out,"%s != NULL",fa->name);
+                       out_printf(out, "%s != NULL", fa->name);
                        checked_null = TRUE;
                        break;
                case TYPE_CHECK:
-                       s = make_pre_macro(fa->atype->name,"IS");
+                       s = make_pre_macro(fa->atype->name, "IS");
                        if(checked_null)
-                               out_printf(out,"%s (%s)",s,fa->name);
+                               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);
+                               out_printf(out, "!(%s) || %s (%s)", fa->name,
+                                          s, fa->name);
                        g_free(s);
                        break;
                case LT_CHECK:
@@ -1157,11 +1273,11 @@ print_checks(Method *m, FuncArg *fa)
                        break;
                }
                if(is_void)
-                       out_printf(out,");\n");
+                       out_printf(out, ");\n");
                else {
-                       out_printf(out,", (");
-                       print_type(out,m->mtype,TRUE);
-                       out_printf(out,")%s);\n",
+                       out_printf(out, ", (");
+                       print_type(out, m->mtype, TRUE);
+                       out_printf(out, ")%s);\n",
                                m->onerror?m->onerror:"0");
                }
        }
@@ -1181,20 +1297,76 @@ print_preconditions(Method *m)
                out_addline_outfile(out);
 }
 
+static void
+print_destructor(char *self_id, Variable *v)
+{
+       char *root;
+
+       if(v->destructor == NULL)
+               return;
+
+       if(v->scope == PRIVATE_SCOPE)
+               root = g_strconcat(self_id, "->_priv", NULL);
+       else
+               root = g_strdup(self_id);
+
+       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);\n",
+                          root, v->id, v->destructor, 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\t%s *self G_GNUC_UNUSED = %s;\n",
+                          typebase, self_id);
+               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, "#undef VAR\n");
+       }
+
+       g_free(root);
+}
+
 /* 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,"finalize")==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);
+       if(m->method == OVERRIDE_METHOD &&
+          strcmp(m->id, "finalize")==0) {
+               if(privates > 0 || destructors > 0) {
+                       out_printf(out,"\t%s *___self = %s (%s);\n",
+                                  typebase, macrobase,
+                                  ((FuncArg *)m->args->data)->name);
+               }
+               if(destructors > 0) {
+                       GList *li;
+                       for(li = ((Class *)class)->nodes;
+                           li != NULL;
+                           li = li->next) {
+                               Node *n = li->data;
+                               if(n->type == VARIABLE_NODE)
+                                       print_destructor("___self",
+                                                        (Variable *)n);
+                       }
+               }
+               if(privates > 0) {
+                       out_printf(out,"\tg_free (___self->_priv);\n"
+                                  "\t___self->_priv = NULL;\n",
+                                  macrobase,
+                                  ((FuncArg *)m->args->data)->name,
+                                  macrobase,
+                                  ((FuncArg *)m->args->data)->name);
+               }
        }
 }
 
@@ -1213,13 +1385,13 @@ print_method_body(Method *m, int pre)
           ugly in the .c file, but that is not supposed to be
           human readable anyway. */
        if(m->cbuf) {
-               out_printf(out,"{\n");
+               out_printf(out, "{\n");
                if(m->ccode_line>0)
-                       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%s}", m->cbuf);
        }
 
-       out_printf(out,"}\n");
+       out_printf(out, "}\n");
 
        if(m->cbuf)
                out_addline_outfile(out);
@@ -1234,7 +1406,7 @@ put_signal_args(Method *m)
            li && ali;
            li=li->next, ali=ali->next) {
                FuncArg *fa = li->data;
-               const char *cast = get_cast(ali->data,FALSE);
+               const char *cast = get_cast(ali->data, FALSE);
                /* we should have already proved before that
                   the we know all the types */
                g_assert(cast);
@@ -1249,7 +1421,7 @@ get_arg_names_for_macro(Method *m)
 {
        char *p;
        GList *li;
-       GString *gs = g_string_new("");
+       GString *gs = g_string_new(NULL);
        p = "";
        for(li=m->args;li;li=g_list_next(li)) {
                FuncArg *arg = li->data;
@@ -1257,7 +1429,7 @@ get_arg_names_for_macro(Method *m)
                p = ",";
        }
        p = gs->str;
-       g_string_free(gs,FALSE);
+       g_string_free(gs, FALSE);
        return p;
 }
 
@@ -1284,7 +1456,7 @@ put_method(Method *m)
                else /* PUBLIC, PROTECTED */
                        print_method(out, "", "\n", "", " ", "\n",
                                     m, FALSE, FALSE);
-               print_method_body(m,TRUE);
+               print_method_body(m, TRUE);
                break;
        case SIGNAL_FIRST_METHOD:
        case SIGNAL_LAST_METHOD:
@@ -1309,9 +1481,16 @@ put_method(Method *m)
                        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;\n");
+                       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]",
@@ -1356,18 +1535,22 @@ put_method(Method *m)
                        out_printf(out,");\n}\n");
                } else {
                        GList *li;
-                       out_printf(out,"\t\treturn (*klass->%s)(%s",m->id,
+                       out_printf(out, "\t\treturn (*klass->%s)(%s",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"
+                       out_printf(out, ");\n"
                                "\telse\n"
                                "\t\treturn (");
-                       print_type(out,m->mtype,TRUE);
-                       out_printf(out,")(%s);\n}\n",
-                               m->onerror?m->onerror:"0");
+                       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)
@@ -1426,38 +1609,35 @@ open_files(void)
        if(no_touch_headers)
                outfileh = g_strconcat("#gob#",filebase,".h#gob#",NULL);
        else
-               outfileh = g_strconcat(filebase,".h",NULL);
+               outfileh = g_strconcat(filebase, ".h", NULL);
 
-       if((privates>0 || protecteds>0 || always_private_header) &&
+       if((privates > 0 || protecteds > 0 || always_private_header) &&
           !no_private_header)
-               outfileph = g_strconcat(filebase,"-private.h",NULL);
+               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",NULL);
-               }
+               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");
+               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);
+                       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);
-                       }
+                       outph = fopen(outfileph, "w");
+                       if(!outph)
+                               g_error("Cannot open outfile: %s", outfileh);
                }
        }
 }
@@ -1473,38 +1653,41 @@ put_argument_nongnu_wrappers(Class *c)
        for(li=c->nodes;li;li=g_list_next(li)) {
                Node *n = li->data;
                Argument *a = (Argument *)n;
-               char *s;
+               char *aname;
                char *cast;
+
                if(n->type != ARGUMENT_NODE)
                        continue;
-               s = g_strdup(a->name);
-               g_strup(s);
+
+               aname = g_strdup(a->name);
+               g_strup(aname);
+
                if(a->atype)
-                       cast = get_type(a->atype,TRUE);
+                       cast = get_type(a->atype, TRUE);
                else
-                       cast = g_strdup(get_cast(a->gtktype,TRUE));
+                       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, s, a->name, cast);
+                                          macrobase, aname, a->name, cast);
                        if(a->get)
                                out_printf(outh, "#define %s_GET_ARG_%s(arg)\t"
                                           "\"%s\",(%s*)(arg)\n",
-                                          macrobase, s, a->name, cast);
+                                          macrobase, aname, a->name, cast);
                } else {
                        if(a->set)
                                out_printf(outh, "#define %s_ARG_%s(arg)    \t"
                                           "\"%s\",(arg)\n",
-                                          macrobase, s, a->name);
+                                          macrobase, aname, a->name);
                        if(a->get)
                                out_printf(outh, "#define %s_GET_ARG_%s(arg)\t"
                                           "\"%s\",(arg)\n",
-                                          macrobase, s, a->name);
+                                          macrobase, aname, a->name);
                }
                g_free(cast);
-               g_free(s);
+               g_free(aname);
        }
 }
 
@@ -1528,7 +1711,7 @@ put_argument_gnu_wrappers(Class *c)
                if(a->atype)
                        cast = get_type(a->atype,TRUE);
                else
-                       cast = g_strdup(get_cast(a->gtktype,TRUE));
+                       cast = g_strdup(get_cast(a->gtktype, TRUE));
                if(cast) {
                        if(a->set)
                                out_printf(outh, "#define %s_ARG_%s(arg)    \t"
@@ -1563,40 +1746,40 @@ print_ccode_block(CCode *cc)
                   code but is printed before */
        case H_CCODE:
                fp = outh;
-               out_printf(fp,"\n");
+               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_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);
+               out_printf(outh, "\n");
+               out_printf(outh, "%s\n", cc->cbuf);
                fp = out;
-               out_printf(fp,"\n");
-               out_addline_infile(fp,cc->line_no);
+               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);
+               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);
+               out_printf(fp, "\n");
+               out_addline_infile(fp, cc->line_no);
                break;
        }
-       out_printf(fp,"%s\n",cc->cbuf);
+       out_printf(fp, "%s\n", cc->cbuf);
        if(cc->cctype == C_CCODE ||
           cc->cctype == A_CCODE ||
           cc->cctype == AT_CCODE ||
@@ -1611,14 +1794,23 @@ print_class_block(Class *c)
        char *s;
        gboolean printed_private = FALSE;
 
-       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");
+       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"
@@ -1636,7 +1828,7 @@ print_class_block(Class *c)
                   "GTK_CHECK_TYPE((obj), %s_get_type ())\n\n",
                   macrois,funcbase);
 
-       out_printf(out, "\n/* self casting macros */\n");
+       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);
@@ -1804,18 +1996,22 @@ print_class_block(Class *c)
 
        add_get_type();
 
-       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");
+       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,"#define GET_NEW (gtk_type_new(%s_get_type()))\n",
-                  funcbase);
+       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);
 
        add_inits(c);
 
@@ -1826,21 +2022,18 @@ print_class_block(Class *c)
 
        for(l=c->nodes;l;l=g_list_next(l)) {
                Node *n = l->data;
-               if(n->type == METHOD_NODE) {
+               if(n->type == METHOD_NODE)
                        put_method((Method *)n);
-               }
        }
 
-       out_printf(out,"#undef GET_NEW\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);
+       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);
@@ -1852,13 +2045,14 @@ print_file_comments(void)
 {
        time_t curtime;
        time(&curtime);
-       out_printf(outh,"/* Generated by GOB (v%s)"
-              "   (do not edit directly) */\n\n",VERSION);
+       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));
+               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
@@ -1867,18 +2061,18 @@ print_includes(void)
        gboolean found_header;
        char *p;
 
-       p = g_strconcat(filebase,".h",NULL);
+       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);
+       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)) {
+               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)
@@ -1901,21 +2095,21 @@ print_header_prefixes(void)
 {
        char *p;
 
-       p = replace_sep(((Class *)class)->otype,'_');
+       p = replace_sep(((Class *)class)->otype, '_');
        g_strup(p);
-       out_printf(outh,"#ifndef __%s_H__\n#define __%s_H__\n\n",p,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"
+               out_printf(outph, "#ifndef __%s_PRIVATE_H__\n"
                           "#define __%s_PRIVATE_H__\n\n"
-                          "#include \"%s.h\"\n\n",p,p,filebase);
+                          "#include \"%s.h\"\n\n", p, p, filebase);
        g_free(p);
 
        if(!no_extern_c) {
-               out_printf(outh,"#ifdef __cplusplus\n"
+               out_printf(outh, "#ifdef __cplusplus\n"
                           "extern \"C\" {\n"
                           "#endif /* __cplusplus */\n\n");
                if(outph)
-                       out_printf(outph,"#ifdef __cplusplus\n"
+                       out_printf(outph, "#ifdef __cplusplus\n"
                                   "extern \"C\" {\n"
                                   "#endif /* __cplusplus */\n\n");
        }
@@ -1925,16 +2119,16 @@ static void
 print_header_postfixes(void)
 {
        if(!no_extern_c)
-               out_printf(outh,"\n#ifdef __cplusplus\n"
+               out_printf(outh, "\n#ifdef __cplusplus\n"
                           "}\n"
                           "#endif /* __cplusplus */\n");
-       out_printf(outh,"\n#endif");
+       out_printf(outh, "\n#endif\n");
        if(outph) {
                if(!no_extern_c)
-                       out_printf(outph,"\n#ifdef __cplusplus\n"
+                       out_printf(outph, "\n#ifdef __cplusplus\n"
                                   "}\n"
                                   "#endif /* __cplusplus */\n");
-               out_printf(outph,"\n#endif");
+               out_printf(outph, "\n#endif\n");
        }
 }
 
@@ -2028,7 +2222,8 @@ print_help(void)
                "\t                        structure and protected "
                                          "prototypes inside c file\n"
                "\t--no-write,-n           Don't write output files, just "
-                                         "check syntax\n");
+                                         "check syntax\n"
+               "\t--no-lines              Don't print '#line' to output\n");
 }
 
 static void
@@ -2076,6 +2271,8 @@ parse_options(int argc, char *argv[])
                        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], "--")==0) {
                        /*further arguments are files*/
                        no_opts = TRUE;
@@ -2169,6 +2366,8 @@ main(int argc, char *argv[])
        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);
@@ -2189,6 +2388,8 @@ main(int argc, char *argv[])
        if(got_error)
                exit(1);
 
+       any_special = setup_special_array((Class *)class, special_array);
+
        open_files();
        
        generate_outfiles();