]> git.draconx.ca Git - gob-dx.git/blobdiff - src/main.c
Release 0.91.0
[gob-dx.git] / src / main.c
index 35ebda6cf1f63a7a7ddd71465c1b302b159c7ddc..07158f5b1c14d58c2a04ffbb5fa60a89a4c30f0c 100644 (file)
@@ -44,17 +44,21 @@ 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 functions */
+static int privates = 0; /* number of private data members */
 
 FILE *out;
 FILE *outh;
@@ -132,17 +136,19 @@ 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 +173,8 @@ 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);
 
@@ -284,14 +291,17 @@ add_bad_hack_to_avoid_unused_warnings(Class *c)
 }
 
 static void
-put_variable(Variable *v)
+put_variable(Variable *v, FILE *fp, int priv)
 {
-       out_printf(outh,"\t");
-       if(v->scope == PRIVATE_SCOPE)
-               out_printf(outh,"/* private */ "); 
-       print_type(outh,v->vtype);
+       if(v->scope == PRIVATE_SCOPE) {
+               if(!priv) return;
+       } else {
+               if(priv) return;
+       }
 
-       out_printf(outh,"%s;\n",v->id); 
+       out_printf(fp,"\t");
+       print_type(fp,v->vtype);
+       out_printf(fp,"%s;\n",v->id); 
 }
 
 static void
@@ -347,16 +357,16 @@ put_priv_method_prot(Method *m)
 }
 
 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);
        node = new_funcarg((Type *)type,name,NULL);
@@ -389,7 +399,7 @@ make_inits(Class *cl)
                node = new_method(CLASS_INIT_METHOD,
                                  (Type *)new_type(0,g_strdup("void")),
                                  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);
        }
@@ -397,12 +407,50 @@ make_inits(Class *cl)
                node = new_method(INIT_METHOD,
                                  (Type *)new_type(0,g_strdup("void")),
                                  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->scope == 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(OVERRIDE_METHOD,
+                                 (Type *)new_type(0,g_strdup("void")),
+                                 g_strdup("Gtk:Object"),
+                                 NULL,g_strdup("destroy"),
+                                 make_func_arg("Gtk:Object",FALSE,g_strdup("o")),
+                                 NULL,
+                                 g_string_new("PARENT_HANDLER (o);\n"),
+                                 0,0,FALSE);
+               cl->nodes = g_list_append(cl->nodes,node);
+               overrides++;
+       }
+}
+
 static GHashTable *marsh = NULL;
 
 static void
@@ -782,6 +830,12 @@ add_inits(Class *c)
                        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);
+                       }
                } else if(m->scope == CLASS_INIT_METHOD) {
                        if(m->line_no>0)
                                out_addline_infile(out,m->line_no);
@@ -900,7 +954,7 @@ 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;
@@ -946,21 +1000,39 @@ 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->scope == 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);
+
+       out_printf(out,"\t{\n");
 
        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,"\t}\n");
        out_printf(out,"}\n");
 }
 
@@ -1075,7 +1147,15 @@ put_method(Method *m)
        case OVERRIDE_METHOD:
                out_addline_infile(out,m->line_no);
                print_method(out,"static ","\n"," ","\n",m,FALSE);
+               s = replace_sep(m->otype,'_');
+               g_strup(s);
+               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);
+               g_free(s);
                print_method_body(m,TRUE);
+               out_printf(out,"#undef PARENT_HANDLER\n");
                break;
        default:
                break;
@@ -1103,7 +1183,8 @@ 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 +1209,44 @@ 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->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) &&
+                          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)
 {
@@ -1228,6 +1347,32 @@ 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->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) {
+                               print_error(FALSE,
+                                           "signals, overrides and virtuals, "
+                                           "can't have no arguments",
+                                           m->line_no);
+                       }
+               }
+       }
+}
+
 static int
 count_signals(Class *c)
 {
@@ -1277,6 +1422,22 @@ count_overrides(Class *c)
        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 void
 open_files(void)
@@ -1326,8 +1487,11 @@ generate_outfiles(void)
                           "extern \"C\" {\n"
                           "#endif /* __cplusplus */\n\n");
        
-       out_printf(out,"#include \"%s.h\"\n\n",filebase);
-       
+       p = g_strconcat(filebase,".h",NULL);
+       if(!g_list_find_custom(include_files,p,(GCompareFunc)strcmp))
+               out_printf(out,"#include \"%s.h\"\n\n",filebase);
+       g_free(p);
+
        for(li=nodes;li;li=g_list_next(li)) {
                Node *node = li->data;
                if(node->type == CCODE_NODE) {
@@ -1345,15 +1509,13 @@ generate_outfiles(void)
                        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(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 +1525,41 @@ 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);
+                                       put_variable((Variable *)n,outh,FALSE);
                        }
+                       if(privates>0)
+                               out_printf(outh,"\t%sPrivate *_priv;\n",typebase);
                        out_printf(outh,"};\n");
 
+                       if(privates>0) {
+                               out_printf(out,"struct _%sPrivate {\n",
+                                          typebase);
+                               for(l=c->nodes;l;l=l->next) {
+                                       Node *n = l->data;
+                                       if(n->type == VARIABLE_NODE) {
+                                               Variable *v = (Variable *)n;
+                                               out_addline_infile(out,v->line_no);
+                                               put_variable(v,out,TRUE);
+                                       }
+                               }
+                               out_addline_outfile(out);
+                               out_printf(out,"};\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)
@@ -1441,9 +1621,6 @@ 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();
        }
@@ -1619,14 +1796,25 @@ 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);
+
+       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);
+
        exit_on_error = TRUE;
        
        if(got_error)