Start of marshalling centralization.

Start of marshalling centralization.

Please check this over for sanity. I think the perl script and Makefile might
need fixing up to allow builddir != srcdir

I will start converting all the widgets to use this scheme if no problems
arise.

gtk/Makefile.am

@@ -51,6 +51,7 @@ libgtk_1_1_la_SOURCES = \
 	gtklist.c		\
 	gtklistitem.c		\
 	gtkmain.c		\
+	gtkmarshal.c		\
 	gtkmenu.c		\
 	gtkmenubar.c		\
 	gtkmenufactory.c	\
@@ -151,6 +152,7 @@ gtkinclude_HEADERS = \
 	gtklist.h		\
 	gtklistitem.h		\
 	gtkmain.h		\
+	gtkmarshal.h		\
 	gtkmenu.h		\
 	gtkmenubar.h		\
 	gtkmenufactory.h	\
@@ -286,3 +288,6 @@ test-debug: testgtk
 	builddir=`pwd`; cd $(top_builddir); top_builddir=`pwd`; \
 	cd $$builddir; cd $(srcdir); \
 	$(SHELL) $$top_builddir/libtool --mode=execute gdb $$builddir/testgtk
+
+gtkmarshal.c gtkmarshal.h: gtkmarshal.list
+	perl $(srcdir)/genmarshal.pl

gtk/genmarshal.pl

@@ -0,0 +1,80 @@
+#!/usr/bin/perl
+#
+# by Elliot Lee <sopwith@redhat.com>
+
+%trans = ( "NONE"=>"void", "CHAR"=>"char",
+	   "BOOL"=>"gboolean", "INT"=>"gint",
+	   "UINT"=>"guint", "LONG"=>"glong",
+	   "ULONG"=>"gulong", "FLOAT"=>"gfloat",
+	   "DOUBLE"=>"gdouble", "STRING"=>"gpointer",
+	   "ENUM"=>"gint", "FLAGS"=>"gint",
+	   "BOXED"=>"gpointer", "FOREIGN"=>"gpointer",
+	   "CALLBACK"=>"gpointer", "POINTER"=>"gpointer",
+	   "ARGS"=>"gpointer", "SIGNAL"=>"gpointer",
+	   "C_CALLBACK"=>"gpointer");
+
+open(IL, "<gtkmarshal.list") || die("Open failed: $!");
+open(OH, ">gtkmarshal.h") || die("Open failed: $!");
+open(OS, ">gtkmarshal.c") || die("Open failed: $!");
+
+print OH "#ifndef __GTKMARSHAL_H__\n#define __GTKMARSHAL_H__ 1\n\n";
+print OH "#include \"gtktypeutils.h\"\n#include \"gtkobject.h\"\n";
+
+print OS "#include \"gtkmarshal.h\"\n";
+
+while(chomp($aline = <IL>)) {
+  ($retval, $paramlist) = split(/:/, $aline, 2);
+  @params = split(/\s*,\s*/, $paramlist);
+
+  if($defs{$retval."__".join("_",@params)} == 1) { next; }
+
+  $doequiv = 0;
+  foreach(@params) { if($trans{$_} eq "gpointer") { $doequiv = 1; } }
+
+  $defname = "";
+  if($doequiv) {
+    $defname = $retval."__".join("_",@params);
+    print OH "#define gtk_marshal_".$retval."__".join("_",@params)." ";
+
+    for($i = 0; $i < scalar @params; $i++)
+      { if($trans{$params[$i]} eq "gpointer") { $params[$i] = "POINTER"; } }
+    if($trans{$retval} eq "gpointer") { $retval = "POINTER"; }
+    print OH "gtk_marshal_".$retval."__".join("_",@params)."\n";
+
+    $regname = $retval."__".join("_",@params);
+    if($defs{$regname} == 1) { next; }
+    $defs{$defname} = 1;
+  }
+
+  $defs{$retval."__".join("_",@params)} = 1;  
+
+  print OH "void gtk_marshal_".$retval."__".join("_",@params)."(GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args);\n";
+
+  print OS "typedef ".$trans{$retval}. " (*GtkSignal_"
+    .$retval."__".join("_",@params).")(GtkObject *object, ";
+
+  $argn = 1;
+  foreach $it(@params) { print OS $trans{$it}." arg".$argn++.",\n"; }
+  print OS "gpointer user_data);\n";
+
+  print OS "void gtk_marshal_".$retval."__".join("_",@params)."(GtkObject *object, GtkSignalFunc func, gpointer func_data, GtkArg *args)\n";
+
+  print OS "{\nGtkSignal_".$retval."__".join("_",@params)." rfunc;\n";
+  if($retval ne "NONE") {
+    print OS $trans{$retval}." *return_val;\n";
+
+    print OS "return_val = GTK_RETLOC_".$retval."(args[".(scalar @params)."]);\n";
+  }
+  print OS "rfunc = (GtkSignal_".$retval."__".join("_",@params).") func;\n";
+
+  if($retval ne "NONE") { print OS "*return_val = "; }
+
+  print OS "(* rfunc)(object, ";
+  for($i = 0; $i < (scalar @params); $i++) {
+    print OS "GTK_VALUE_".$params[$i]."(args[$i]), ";
+  }
+
+  print OS "func_data);\n}\n\n";
+}
+print OH "#endif\n";
+close(IL); close(OH); close(OS);

gtk/gtkmarshal.list

@@ -0,0 +1,7 @@
+NONE:POINTER,POINTER
+INT:POINTER,CHAR,CHAR
+NONE:POINTER
+INT:POINTER
+NONE:UINT
+NONE:BOXED
+BOOL:POINTER

gtk/gtkmarshalers.list

@@ -0,0 +1,7 @@
+NONE:POINTER,POINTER
+INT:POINTER,CHAR,CHAR
+NONE:POINTER
+INT:POINTER
+NONE:UINT
+NONE:BOXED
+BOOL:POINTER