[vim] - patchlevel 791

Karsten Hopp karsten at fedoraproject.org
Thu Jan 31 11:12:41 UTC 2013


commit 4b8a0ca237023bcddeef06e70b9c347c214373fc
Author: Karsten Hopp <karsten at redhat.com>
Date:   Thu Jan 31 12:11:59 2013 +0100

    - patchlevel 791

 7.3.791 | 2124 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 2124 insertions(+), 0 deletions(-)
---
diff --git a/7.3.791 b/7.3.791
new file mode 100644
index 0000000..0b984b7
--- /dev/null
+++ b/7.3.791
@@ -0,0 +1,2124 @@
+To: vim_dev at googlegroups.com
+Subject: Patch 7.3.791
+Fcc: outbox
+From: Bram Moolenaar <Bram at moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.3.791
+Problem:    MzScheme interface doesn't work propely.
+Solution:   Make it work better. (Sergey Khorev)
+Files:	    runtime/doc/if_mzsch.txt, src/configure.in, src/auto/configure,
+	    src/eval.c, src/if_mzsch.c, src/if_mzsch.h, src/Make_ming.mak,
+	    src/Make_mvc.mak, src/os_unix.c, src/proto/eval.pro,
+	    src/testdir/test70.in, src/testdir/test70.ok
+
+
+*** ../vim-7.3.790/runtime/doc/if_mzsch.txt	2010-08-15 21:57:14.000000000 +0200
+--- runtime/doc/if_mzsch.txt	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 11,17 ****
+  3. Threads				|mzscheme-threads|
+  4. Vim access from MzScheme		|mzscheme-vim|
+  5. mzeval() Vim function		|mzscheme-mzeval|
+! 6. Dynamic loading			|mzscheme-dynamic|
+  
+  {Vi does not have any of these commands}
+  
+--- 11,18 ----
+  3. Threads				|mzscheme-threads|
+  4. Vim access from MzScheme		|mzscheme-vim|
+  5. mzeval() Vim function		|mzscheme-mzeval|
+! 6. Using Function references		|mzscheme-funcref|
+! 7. Dynamic loading			|mzscheme-dynamic|
+  
+  {Vi does not have any of these commands}
+  
+***************
+*** 21,30 ****
+  Based on the work of Brent Fulgham.
+  Dynamic loading added by Sergey Khorev
+  
+! For downloading MzScheme and other info:
+! 	http://www.plt-scheme.org/software/mzscheme/
+  
+! Note: On FreeBSD you should use the "drscheme" port.
+  
+  ==============================================================================
+  1. Commands						*mzscheme-commands*
+--- 22,38 ----
+  Based on the work of Brent Fulgham.
+  Dynamic loading added by Sergey Khorev
+  
+! MzScheme and PLT Scheme names have been rebranded as Racket. For more
+! information please check http://racket-lang.org
+  
+! Futures and places of Racket version 5.x up to and including 5.3.1 do not
+! work correctly with processes created by Vim.
+! The simplest solution is to build Racket on your own with these features
+! disabled: >
+!   ./configure --disable-futures --disable-places --prefix=your-install-prefix
+! 
+! To speed up the process, you might also want to use --disable-gracket and
+! --disable-docs
+  
+  ==============================================================================
+  1. Commands						*mzscheme-commands*
+***************
+*** 155,162 ****
+      (eval {expr-string})	    Evaluate the vim expression into
+  				    respective MzScheme object: |Lists| are
+  				    represented as Scheme lists,
+! 				    |Dictionaries| as hash tables.
+! 				    NOTE the name clashes with MzScheme eval
+      (range-start)		    Start/End of the range passed with
+      (range-end)			    the Scheme command.
+      (beep)			    beep
+--- 163,173 ----
+      (eval {expr-string})	    Evaluate the vim expression into
+  				    respective MzScheme object: |Lists| are
+  				    represented as Scheme lists,
+! 				    |Dictionaries| as hash tables,
+! 				    |Funcref|s as functions (see also
+! 				    |mzscheme-funcref|)
+! 				    NOTE the name clashes with MzScheme eval,
+! 				    use module qualifiers to overcome this.
+      (range-start)		    Start/End of the range passed with
+      (range-end)			    the Scheme command.
+      (beep)			    beep
+***************
+*** 237,243 ****
+  evaluate MzScheme expressions and pass their values to VimL.
+  
+  ==============================================================================
+! 6. Dynamic loading				    *mzscheme-dynamic* *E815*
+  
+  On MS-Windows the MzScheme libraries can be loaded dynamically. The |:version|
+  output then includes |+mzscheme/dyn|.
+--- 248,270 ----
+  evaluate MzScheme expressions and pass their values to VimL.
+  
+  ==============================================================================
+! 6. Using Function references				    *mzscheme-funcref*
+! 
+! MzScheme interface allows use of |Funcref|s so you can call Vim functions
+! directly from Scheme. For instance: >
+!     function! MyAdd2(arg)
+! 	return a:arg + 2
+!     endfunction
+!     mz (define f2 (vim-eval "function(\"MyAdd2\")"))
+!     mz (f2 7)
+! < or : >
+!     :mz (define indent (vim-eval "function('indent')"))
+!     " return Vim indent for line 12
+!     :mz (indent 12)
+! <
+! 
+! ==============================================================================
+! 7. Dynamic loading				    *mzscheme-dynamic* *E815*
+  
+  On MS-Windows the MzScheme libraries can be loaded dynamically. The |:version|
+  output then includes |+mzscheme/dyn|.
+*** ../vim-7.3.790/src/configure.in	2012-12-12 14:25:01.000000000 +0100
+--- src/configure.in	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 617,623 ****
+  
+    if test "X$vi_cv_path_mzscheme_pfx" != "X"; then
+      if test "x$MACOSX" = "xyes"; then
+!       MZSCHEME_LIBS="-framework PLT_MzScheme"
+      elif test -f "${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"; then
+        MZSCHEME_LIBS="${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"
+        MZSCHEME_CFLAGS="-DMZ_PRECISE_GC"
+--- 617,624 ----
+  
+    if test "X$vi_cv_path_mzscheme_pfx" != "X"; then
+      if test "x$MACOSX" = "xyes"; then
+!       MZSCHEME_LIBS="-framework Racket"
+!       MZSCHEME_CFLAGS="-DMZ_PRECISE_GC"
+      elif test -f "${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"; then
+        MZSCHEME_LIBS="${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"
+        MZSCHEME_CFLAGS="-DMZ_PRECISE_GC"
+***************
+*** 660,665 ****
+--- 661,670 ----
+        else
+  	if test -d $vi_cv_path_mzscheme_pfx/share/racket/collects; then
+  	  SCHEME_COLLECTS=$vi_cv_path_mzscheme_pfx/share/racket/
++ 	else
++ 	  if test -d $vi_cv_path_mzscheme_pfx/collects; then
++ 	    SCHEME_COLLECTS=$vi_cv_path_mzscheme_pfx/
++ 	  fi
+  	fi
+        fi
+      fi
+*** ../vim-7.3.790/src/auto/configure	2012-12-12 14:25:01.000000000 +0100
+--- src/auto/configure	2013-01-30 14:27:31.000000000 +0100
+***************
+*** 4927,4933 ****
+  
+    if test "X$vi_cv_path_mzscheme_pfx" != "X"; then
+      if test "x$MACOSX" = "xyes"; then
+!       MZSCHEME_LIBS="-framework PLT_MzScheme"
+      elif test -f "${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"; then
+        MZSCHEME_LIBS="${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"
+        MZSCHEME_CFLAGS="-DMZ_PRECISE_GC"
+--- 4927,4934 ----
+  
+    if test "X$vi_cv_path_mzscheme_pfx" != "X"; then
+      if test "x$MACOSX" = "xyes"; then
+!       MZSCHEME_LIBS="-framework Racket"
+!       MZSCHEME_CFLAGS="-DMZ_PRECISE_GC"
+      elif test -f "${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"; then
+        MZSCHEME_LIBS="${vi_cv_path_mzscheme_pfx}/lib/libmzscheme3m.a"
+        MZSCHEME_CFLAGS="-DMZ_PRECISE_GC"
+***************
+*** 4968,4973 ****
+--- 4969,4978 ----
+        else
+  	if test -d $vi_cv_path_mzscheme_pfx/share/racket/collects; then
+  	  SCHEME_COLLECTS=$vi_cv_path_mzscheme_pfx/share/racket/
++ 	else
++ 	  if test -d $vi_cv_path_mzscheme_pfx/collects; then
++ 	    SCHEME_COLLECTS=$vi_cv_path_mzscheme_pfx/
++ 	  fi
+  	fi
+        fi
+      fi
+*** ../vim-7.3.790/src/eval.c	2013-01-23 17:15:25.000000000 +0100
+--- src/eval.c	2013-01-30 14:33:00.000000000 +0100
+***************
+*** 14333,14338 ****
+--- 14333,14354 ----
+      str = get_tv_string_buf(&argvars[0], buf);
+      do_mzeval(str, rettv);
+  }
++ 
++     void
++ mzscheme_call_vim(name, args, rettv)
++     char_u	*name;
++     typval_T	*args;
++     typval_T	*rettv;
++ {
++     typval_T argvars[3];
++ 
++     argvars[0].v_type = VAR_STRING;
++     argvars[0].vval.v_string = name;
++     copy_tv(args, &argvars[1]);
++     argvars[2].v_type = VAR_UNKNOWN;
++     f_call(argvars, rettv);
++     clear_tv(&argvars[1]);
++ }
+  #endif
+  
+  /*
+*** ../vim-7.3.790/src/if_mzsch.c	2012-11-28 15:37:46.000000000 +0100
+--- src/if_mzsch.c	2013-01-30 14:34:37.000000000 +0100
+***************
+*** 1,11 ****
+  /* vi:set ts=8 sts=4 sw=4:
+   *
+   * MzScheme interface by Sergey Khorev <sergey.khorev at gmail.com>
+!  * Original work by Brent Fulgham <bfulgham at debian.org>
+   * (Based on lots of help from Matthew Flatt)
+   *
+-  * TODO Convert byte-strings to char strings?
+-  *
+   * This consists of six parts:
+   * 1. MzScheme interpreter main program
+   * 2. Routines that handle the external interface between MzScheme and
+--- 1,9 ----
+  /* vi:set ts=8 sts=4 sw=4:
+   *
+   * MzScheme interface by Sergey Khorev <sergey.khorev at gmail.com>
+!  * Based on work by Brent Fulgham <bfulgham at debian.org>
+   * (Based on lots of help from Matthew Flatt)
+   *
+   * This consists of six parts:
+   * 1. MzScheme interpreter main program
+   * 2. Routines that handle the external interface between MzScheme and
+***************
+*** 142,148 ****
+  static int do_mzscheme_command(exarg_T *, void *, Scheme_Closed_Prim *what);
+  static void startup_mzscheme(void);
+  static char *string_to_line(Scheme_Object *obj);
+! static void do_output(char *mesg, intptr_t len);
+  static void do_printf(char *format, ...);
+  static void do_flush(void);
+  static Scheme_Object *_apply_thunk_catch_exceptions(
+--- 140,151 ----
+  static int do_mzscheme_command(exarg_T *, void *, Scheme_Closed_Prim *what);
+  static void startup_mzscheme(void);
+  static char *string_to_line(Scheme_Object *obj);
+! #if MZSCHEME_VERSION_MAJOR >= 500
+! # define OUTPUT_LEN_TYPE intptr_t
+! #else
+! # define OUTPUT_LEN_TYPE long
+! #endif
+! static void do_output(char *mesg, OUTPUT_LEN_TYPE len);
+  static void do_printf(char *format, ...);
+  static void do_flush(void);
+  static Scheme_Object *_apply_thunk_catch_exceptions(
+***************
+*** 166,175 ****
+  static int mzscheme_env_main(Scheme_Env *env, int argc, char **argv);
+  static int mzscheme_init(void);
+  #ifdef FEAT_EVAL
+! static Scheme_Object *vim_to_mzscheme(typval_T *vim_value, int depth,
+  	Scheme_Hash_Table *visited);
+! static int mzscheme_to_vim(Scheme_Object *obj, typval_T *tv, int depth,
+  	Scheme_Hash_Table *visited);
+  #endif
+  
+  #ifdef MZ_PRECISE_GC
+--- 169,181 ----
+  static int mzscheme_env_main(Scheme_Env *env, int argc, char **argv);
+  static int mzscheme_init(void);
+  #ifdef FEAT_EVAL
+! static Scheme_Object *vim_to_mzscheme(typval_T *vim_value);
+! static Scheme_Object *vim_to_mzscheme_impl(typval_T *vim_value, int depth,
+  	Scheme_Hash_Table *visited);
+! static int mzscheme_to_vim(Scheme_Object *obj, typval_T *tv);
+! static int mzscheme_to_vim_impl(Scheme_Object *obj, typval_T *tv, int depth,
+  	Scheme_Hash_Table *visited);
++ static Scheme_Object *vim_funcref(void *data, int argc, Scheme_Object **argv);
+  #endif
+  
+  #ifdef MZ_PRECISE_GC
+***************
+*** 183,188 ****
+--- 189,201 ----
+  }
+  static int buffer_fixup_proc(void *obj)
+  {
++     /* apparently not needed as the object will be uncollectable while
++      * the buffer is alive
++      */
++     /*
++     vim_mz_buffer* buf = (vim_mz_buffer*) obj;
++     buf->buf->b_mzscheme_ref = GC_fixup_self(obj);
++     */
+      return buffer_size_proc(obj);
+  }
+  static int window_size_proc(void *obj UNUSED)
+***************
+*** 195,206 ****
+  }
+  static int window_fixup_proc(void *obj)
+  {
+      return window_size_proc(obj);
+  }
+  #endif
+  
+  #ifdef DYNAMIC_MZSCHEME
+- 
+  static Scheme_Object *dll_scheme_eof;
+  static Scheme_Object *dll_scheme_false;
+  static Scheme_Object *dll_scheme_void;
+--- 208,233 ----
+  }
+  static int window_fixup_proc(void *obj)
+  {
++     /* apparently not needed as the object will be uncollectable while
++      * the window is alive
++      */
++     /*
++     vim_mz_window* win = (vim_mz_window*) obj;
++     win->win->w_mzscheme_ref = GC_fixup_self(obj);
++     */
+      return window_size_proc(obj);
+  }
++ /* with precise GC, w_mzscheme_ref and b_mzscheme_ref are immobile boxes
++  * containing pointers to a window/buffer
++  * with conservative GC these are simply pointers*/
++ # define WINDOW_REF(win) *(vim_mz_window **)((win)->w_mzscheme_ref)
++ # define BUFFER_REF(buf) *(vim_mz_buffer **)((buf)->b_mzscheme_ref)
++ #else
++ # define WINDOW_REF(win) (vim_mz_window *)((win)->w_mzscheme_ref)
++ # define BUFFER_REF(buf) (vim_mz_buffer *)((buf)->b_mzscheme_ref)
+  #endif
+  
+  #ifdef DYNAMIC_MZSCHEME
+  static Scheme_Object *dll_scheme_eof;
+  static Scheme_Object *dll_scheme_false;
+  static Scheme_Object *dll_scheme_void;
+***************
+*** 319,324 ****
+--- 346,352 ----
+      (Scheme_Object *s);
+  static Scheme_Object *(*dll_scheme_char_string_to_path)
+      (Scheme_Object *s);
++ static void *(*dll_scheme_set_collects_path)(Scheme_Object *p);
+  # endif
+  static Scheme_Hash_Table *(*dll_scheme_make_hash_table)(int type);
+  static void (*dll_scheme_hash_set)(Scheme_Hash_Table *table,
+***************
+*** 378,388 ****
+  # endif
+  # define scheme_gc_ptr_ok dll_scheme_gc_ptr_ok
+  # if MZSCHEME_VERSION_MAJOR < 299
+! #  define scheme_get_sized_string_output dll_scheme_get_sized_string_output
+  # else
+  #  define scheme_get_sized_byte_string_output \
+      dll_scheme_get_sized_byte_string_output
+! # define scheme_get_param dll_scheme_get_param
+  # endif
+  # define scheme_intern_symbol dll_scheme_intern_symbol
+  # define scheme_lookup_global dll_scheme_lookup_global
+--- 406,416 ----
+  # endif
+  # define scheme_gc_ptr_ok dll_scheme_gc_ptr_ok
+  # if MZSCHEME_VERSION_MAJOR < 299
+! #  define scheme_get_sized_byte_string_output dll_scheme_get_sized_string_output
+  # else
+  #  define scheme_get_sized_byte_string_output \
+      dll_scheme_get_sized_byte_string_output
+! #  define scheme_get_param dll_scheme_get_param
+  # endif
+  # define scheme_intern_symbol dll_scheme_intern_symbol
+  # define scheme_lookup_global dll_scheme_lookup_global
+***************
+*** 391,398 ****
+  # define scheme_make_pair dll_scheme_make_pair
+  # define scheme_make_prim_w_arity dll_scheme_make_prim_w_arity
+  # if MZSCHEME_VERSION_MAJOR < 299
+! #  define scheme_make_string dll_scheme_make_string
+! #  define scheme_make_string_output_port dll_scheme_make_string_output_port
+  # else
+  #  define scheme_make_byte_string dll_scheme_make_byte_string
+  #  define scheme_make_byte_string_output_port \
+--- 419,426 ----
+  # define scheme_make_pair dll_scheme_make_pair
+  # define scheme_make_prim_w_arity dll_scheme_make_prim_w_arity
+  # if MZSCHEME_VERSION_MAJOR < 299
+! #  define scheme_make_byte_string dll_scheme_make_string
+! #  define scheme_make_byte_string_output_port dll_scheme_make_string_output_port
+  # else
+  #  define scheme_make_byte_string dll_scheme_make_byte_string
+  #  define scheme_make_byte_string_output_port \
+***************
+*** 421,426 ****
+--- 449,455 ----
+      dll_scheme_char_string_to_byte_string
+  #  define scheme_char_string_to_path \
+      dll_scheme_char_string_to_path
++ #  define scheme_set_collects_path dll_scheme_set_collects_path
+  # endif
+  # define scheme_make_hash_table dll_scheme_make_hash_table
+  # define scheme_hash_set dll_scheme_hash_set
+***************
+*** 529,534 ****
+--- 558,564 ----
+      {"scheme_char_string_to_byte_string",
+  	(void **)&dll_scheme_char_string_to_byte_string},
+      {"scheme_char_string_to_path", (void **)&dll_scheme_char_string_to_path},
++     {"scheme_set_collects_path", (void **)&dll_scheme_set_collects_path},
+  # endif
+      {"scheme_make_hash_table", (void **)&dll_scheme_make_hash_table},
+      {"scheme_hash_set", (void **)&dll_scheme_hash_set},
+***************
+*** 625,635 ****
+  }
+  #endif /* DYNAMIC_MZSCHEME */
+  
+  /* need to put it here for dynamic stuff to work */
+  #if defined(INCLUDE_MZSCHEME_BASE)
+  # include "mzscheme_base.c"
+  #elif MZSCHEME_VERSION_MAJOR >= 400
+! # error MzScheme 4.x must include mzscheme_base.c, for MinGW32 you need to define MZSCHEME_GENERATE_BASE=yes
+  #endif
+  
+  /*
+--- 655,694 ----
+  }
+  #endif /* DYNAMIC_MZSCHEME */
+  
++ #if MZSCHEME_VERSION_MAJOR < 299
++ # define GUARANTEED_STRING_ARG(proc, num) GUARANTEE_STRING(proc, num)
++ #else
++     static Scheme_Object *
++ guaranteed_byte_string_arg(char *proc, int num, int argc, Scheme_Object **argv)
++ {
++     if (SCHEME_BYTE_STRINGP(argv[num]))
++     {
++ 	return argv[num];
++     }
++     else if (SCHEME_CHAR_STRINGP(argv[num]))
++     {
++ 	Scheme_Object *tmp = NULL;
++ 	MZ_GC_DECL_REG(2);
++ 	MZ_GC_VAR_IN_REG(0, argv[num]);
++ 	MZ_GC_VAR_IN_REG(1, tmp);
++ 	MZ_GC_REG();
++ 	tmp = scheme_char_string_to_byte_string(argv[num]);
++ 	MZ_GC_UNREG();
++ 	return tmp;
++     }
++     else
++ 	scheme_wrong_type(proc, "string", num, argc, argv);
++     /* unreachable */
++     return scheme_void;
++ }
++ # define GUARANTEED_STRING_ARG(proc, num) guaranteed_byte_string_arg(proc, num, argc, argv)
++ #endif
++ 
+  /* need to put it here for dynamic stuff to work */
+  #if defined(INCLUDE_MZSCHEME_BASE)
+  # include "mzscheme_base.c"
+  #elif MZSCHEME_VERSION_MAJOR >= 400
+! # error MzScheme >=4 must include mzscheme_base.c, for MinGW32 you need to define MZSCHEME_GENERATE_BASE=yes
+  #endif
+  
+  /*
+***************
+*** 861,866 ****
+--- 920,930 ----
+      scheme_set_stack_base(stack_base, 1);
+  #endif
+  
++ #ifndef TRAMPOLINED_MZVIM_STARTUP
++     /* in newer versions of precise GC the initial env has been created */
++     environment = scheme_basic_env();
++ #endif
++ 
+      MZ_REGISTER_STATIC(environment);
+      MZ_REGISTER_STATIC(curout);
+      MZ_REGISTER_STATIC(curerr);
+***************
+*** 869,878 ****
+      MZ_REGISTER_STATIC(exn_message);
+      MZ_REGISTER_STATIC(vim_exn);
+  
+- #ifndef TRAMPOLINED_MZVIM_STARTUP
+-     /* in newer versions of precise GC the initial env has been created */
+-     environment = scheme_basic_env();
+- #endif
+      MZ_GC_CHECK();
+  
+  #ifdef INCLUDE_MZSCHEME_BASE
+--- 933,938 ----
+***************
+*** 909,923 ****
+  	Scheme_Object	*coll_byte_string = NULL;
+  	Scheme_Object	*coll_char_string = NULL;
+  	Scheme_Object	*coll_path = NULL;
+- 	Scheme_Object	*coll_pair = NULL;
+- 	Scheme_Config	*config = NULL;
+  
+! 	MZ_GC_DECL_REG(5);
+  	MZ_GC_VAR_IN_REG(0, coll_byte_string);
+  	MZ_GC_VAR_IN_REG(1, coll_char_string);
+  	MZ_GC_VAR_IN_REG(2, coll_path);
+- 	MZ_GC_VAR_IN_REG(3, coll_pair);
+- 	MZ_GC_VAR_IN_REG(4, config);
+  	MZ_GC_REG();
+  	coll_byte_string = scheme_make_byte_string(MZSCHEME_COLLECTS);
+  	MZ_GC_CHECK();
+--- 969,979 ----
+  	Scheme_Object	*coll_byte_string = NULL;
+  	Scheme_Object	*coll_char_string = NULL;
+  	Scheme_Object	*coll_path = NULL;
+  
+! 	MZ_GC_DECL_REG(3);
+  	MZ_GC_VAR_IN_REG(0, coll_byte_string);
+  	MZ_GC_VAR_IN_REG(1, coll_char_string);
+  	MZ_GC_VAR_IN_REG(2, coll_path);
+  	MZ_GC_REG();
+  	coll_byte_string = scheme_make_byte_string(MZSCHEME_COLLECTS);
+  	MZ_GC_CHECK();
+***************
+*** 925,935 ****
+  	MZ_GC_CHECK();
+  	coll_path = scheme_char_string_to_path(coll_char_string);
+  	MZ_GC_CHECK();
+! 	coll_pair = scheme_make_pair(coll_path, scheme_null);
+! 	MZ_GC_CHECK();
+! 	config = scheme_config;
+! 	MZ_GC_CHECK();
+! 	scheme_set_param(config, MZCONFIG_COLLECTION_PATHS, coll_pair);
+  	MZ_GC_CHECK();
+  	MZ_GC_UNREG();
+      }
+--- 981,987 ----
+  	MZ_GC_CHECK();
+  	coll_path = scheme_char_string_to_path(coll_char_string);
+  	MZ_GC_CHECK();
+! 	scheme_set_collects_path(coll_path);
+  	MZ_GC_CHECK();
+  	MZ_GC_UNREG();
+      }
+***************
+*** 944,954 ****
+  	MZ_GC_VAR_IN_REG(1, coll_pair);
+  	MZ_GC_VAR_IN_REG(2, config);
+  	MZ_GC_REG();
+! 	coll_string = scheme_make_string(MZSCHEME_COLLECTS);
+  	MZ_GC_CHECK();
+  	coll_pair = scheme_make_pair(coll_string, scheme_null);
+  	MZ_GC_CHECK();
+! 	config = scheme_config;
+  	MZ_GC_CHECK();
+  	scheme_set_param(config, MZCONFIG_COLLECTION_PATHS, coll_pair);
+  	MZ_GC_CHECK();
+--- 996,1006 ----
+  	MZ_GC_VAR_IN_REG(1, coll_pair);
+  	MZ_GC_VAR_IN_REG(2, config);
+  	MZ_GC_REG();
+! 	coll_string = scheme_make_byte_string(MZSCHEME_COLLECTS);
+  	MZ_GC_CHECK();
+  	coll_pair = scheme_make_pair(coll_string, scheme_null);
+  	MZ_GC_CHECK();
+! 	config = scheme_current_config();
+  	MZ_GC_CHECK();
+  	scheme_set_param(config, MZCONFIG_COLLECTION_PATHS, coll_pair);
+  	MZ_GC_CHECK();
+***************
+*** 991,997 ****
+  	    MZ_GC_VAR_IN_REG(3, guard);
+  	    MZ_GC_VAR_IN_REG(4, config);
+  	    MZ_GC_REG();
+! 	    config = scheme_config;
+  	    MZ_GC_CHECK();
+  	    args[0] = scheme_get_param(config, MZCONFIG_SECURITY_GUARD);
+  	    MZ_GC_CHECK();
+--- 1043,1049 ----
+  	    MZ_GC_VAR_IN_REG(3, guard);
+  	    MZ_GC_VAR_IN_REG(4, config);
+  	    MZ_GC_REG();
+! 	    config = scheme_current_config();
+  	    MZ_GC_CHECK();
+  	    args[0] = scheme_get_param(config, MZCONFIG_SECURITY_GUARD);
+  	    MZ_GC_CHECK();
+***************
+*** 1055,1066 ****
+  	MZ_GC_DECL_REG(1);
+  	MZ_GC_VAR_IN_REG(0, config);
+  	MZ_GC_REG();
+! 	config = scheme_config;
+  	MZ_GC_CHECK();
+  	/* recreate ports each call effectively clearing these ones */
+! 	curout = scheme_make_string_output_port();
+  	MZ_GC_CHECK();
+! 	curerr = scheme_make_string_output_port();
+  	MZ_GC_CHECK();
+  	scheme_set_param(config, MZCONFIG_OUTPUT_PORT, curout);
+  	MZ_GC_CHECK();
+--- 1107,1118 ----
+  	MZ_GC_DECL_REG(1);
+  	MZ_GC_VAR_IN_REG(0, config);
+  	MZ_GC_REG();
+! 	config = scheme_current_config();
+  	MZ_GC_CHECK();
+  	/* recreate ports each call effectively clearing these ones */
+! 	curout = scheme_make_byte_string_output_port();
+  	MZ_GC_CHECK();
+! 	curerr = scheme_make_byte_string_output_port();
+  	MZ_GC_CHECK();
+  	scheme_set_param(config, MZCONFIG_OUTPUT_PORT, curout);
+  	MZ_GC_CHECK();
+***************
+*** 1149,1161 ****
+  {
+      if (buf->b_mzscheme_ref)
+      {
+! 	vim_mz_buffer *bp;
+  
+! 	bp = buf->b_mzscheme_ref;
+  	bp->buf = INVALID_BUFFER_VALUE;
+! 	buf->b_mzscheme_ref = NULL;
+  	scheme_gc_ptr_ok(bp);
+  	MZ_GC_CHECK();
+      }
+  }
+  
+--- 1201,1221 ----
+  {
+      if (buf->b_mzscheme_ref)
+      {
+! 	vim_mz_buffer *bp = NULL;
+! 	MZ_GC_DECL_REG(1);
+! 	MZ_GC_VAR_IN_REG(0, bp);
+! 	MZ_GC_REG();
+  
+! 	bp = BUFFER_REF(buf);
+  	bp->buf = INVALID_BUFFER_VALUE;
+! #ifndef MZ_PRECISE_GC
+  	scheme_gc_ptr_ok(bp);
++ #else
++ 	scheme_free_immobile_box(buf->b_mzscheme_ref);
++ #endif
++ 	buf->b_mzscheme_ref = NULL;
+  	MZ_GC_CHECK();
++ 	MZ_GC_UNREG();
+      }
+  }
+  
+***************
+*** 1167,1178 ****
+  {
+      if (win->w_mzscheme_ref)
+      {
+! 	vim_mz_window *wp;
+! 	wp = win->w_mzscheme_ref;
+  	wp->win = INVALID_WINDOW_VALUE;
+! 	win->w_mzscheme_ref = NULL;
+  	scheme_gc_ptr_ok(wp);
+  	MZ_GC_CHECK();
+      }
+  }
+  
+--- 1227,1246 ----
+  {
+      if (win->w_mzscheme_ref)
+      {
+! 	vim_mz_window *wp = NULL;
+! 	MZ_GC_DECL_REG(1);
+! 	MZ_GC_VAR_IN_REG(0, wp);
+! 	MZ_GC_REG();
+! 	wp = WINDOW_REF(win);
+  	wp->win = INVALID_WINDOW_VALUE;
+! #ifndef MZ_PRECISE_GC
+  	scheme_gc_ptr_ok(wp);
++ #else
++ 	scheme_free_immobile_box(win->w_mzscheme_ref);
++ #endif
++ 	win->w_mzscheme_ref = NULL;
+  	MZ_GC_CHECK();
++ 	MZ_GC_UNREG();
+      }
+  }
+  
+***************
+*** 1349,1355 ****
+  }
+  
+      static void
+! do_output(char *mesg, intptr_t len UNUSED)
+  {
+      /* TODO: use len, the string may not be NUL terminated */
+      do_intrnl_output(mesg, 0);
+--- 1417,1423 ----
+  }
+  
+      static void
+! do_output(char *mesg, OUTPUT_LEN_TYPE len UNUSED)
+  {
+      /* TODO: use len, the string may not be NUL terminated */
+      do_intrnl_output(mesg, 0);
+***************
+*** 1371,1379 ****
+  do_flush(void)
+  {
+      char *buff;
+!     intptr_t length;
+  
+!     buff = scheme_get_sized_string_output(curerr, &length);
+      MZ_GC_CHECK();
+      if (length)
+      {
+--- 1439,1447 ----
+  do_flush(void)
+  {
+      char *buff;
+!     OUTPUT_LEN_TYPE length;
+  
+!     buff = scheme_get_sized_byte_string_output(curerr, &length);
+      MZ_GC_CHECK();
+      if (length)
+      {
+***************
+*** 1381,1387 ****
+  	return;
+      }
+  
+!     buff = scheme_get_sized_string_output(curout, &length);
+      MZ_GC_CHECK();
+      if (length)
+  	do_output(buff, length);
+--- 1449,1455 ----
+  	return;
+      }
+  
+!     buff = scheme_get_sized_byte_string_output(curout, &length);
+      MZ_GC_CHECK();
+      if (length)
+  	do_output(buff, length);
+***************
+*** 1398,1409 ****
+  vim_command(void *data, int argc, Scheme_Object **argv)
+  {
+      Vim_Prim	*prim = (Vim_Prim *)data;
+!     char	*cmd = SCHEME_STR_VAL(GUARANTEE_STRING(prim->name, 0));
+  
+      /* may be use do_cmdline_cmd? */
+!     do_cmdline((char_u *)cmd, NULL, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
+      update_screen(VALID);
+  
+      raise_if_error();
+      return scheme_void;
+  }
+--- 1466,1482 ----
+  vim_command(void *data, int argc, Scheme_Object **argv)
+  {
+      Vim_Prim	*prim = (Vim_Prim *)data;
+!     Scheme_Object *cmd = NULL;
+!     MZ_GC_DECL_REG(1);
+!     MZ_GC_VAR_IN_REG(0, cmd);
+!     MZ_GC_REG();
+!     cmd = GUARANTEED_STRING_ARG(prim->name, 0);
+  
+      /* may be use do_cmdline_cmd? */
+!     do_cmdline(BYTE_STRING_VALUE(cmd), NULL, NULL, DOCMD_NOWAIT|DOCMD_VERBOSE);
+      update_screen(VALID);
+  
++     MZ_GC_UNREG();
+      raise_if_error();
+      return scheme_void;
+  }
+***************
+*** 1414,1439 ****
+  {
+  #ifdef FEAT_EVAL
+      Vim_Prim		*prim = (Vim_Prim *)data;
+!     char		*expr;
+!     Scheme_Object	*result;
+!     /* hash table to store visited values to avoid infinite loops */
+!     Scheme_Hash_Table	*visited = NULL;
+      typval_T		*vim_result;
+! 
+!     MZ_GC_DECL_REG(1);
+!     MZ_GC_VAR_IN_REG(0, visited);
+      MZ_GC_REG();
+  
+!     visited = scheme_make_hash_table(SCHEME_hash_ptr);
+!     MZ_GC_CHECK();
+! 
+!     expr = SCHEME_STR_VAL(GUARANTEE_STRING(prim->name, 0));
+!     vim_result = eval_expr((char_u *)expr, NULL);
+  
+      if (vim_result == NULL)
+  	raise_vim_exn(_("invalid expression"));
+  
+!     result = vim_to_mzscheme(vim_result, 1, visited);
+      free_tv(vim_result);
+  
+      MZ_GC_UNREG();
+--- 1487,1508 ----
+  {
+  #ifdef FEAT_EVAL
+      Vim_Prim		*prim = (Vim_Prim *)data;
+!     Scheme_Object	*result = NULL;
+      typval_T		*vim_result;
+!     Scheme_Object *expr = NULL;
+!     MZ_GC_DECL_REG(2);
+!     MZ_GC_VAR_IN_REG(0, result);
+!     MZ_GC_VAR_IN_REG(1, expr);
+      MZ_GC_REG();
++     expr = GUARANTEED_STRING_ARG(prim->name, 0);
+  
+!     vim_result = eval_expr(BYTE_STRING_VALUE(expr), NULL);
+  
+      if (vim_result == NULL)
+  	raise_vim_exn(_("invalid expression"));
+  
+!     result = vim_to_mzscheme(vim_result);
+!     MZ_GC_CHECK();
+      free_tv(vim_result);
+  
+      MZ_GC_UNREG();
+***************
+*** 1474,1489 ****
+  get_option(void *data, int argc, Scheme_Object **argv)
+  {
+      Vim_Prim	    *prim = (Vim_Prim *)data;
+-     char_u	    *name;
+      long	    value;
+      char	    *strval;
+      int		    rc;
+!     Scheme_Object   *rval;
+      int		    opt_flags = 0;
+      buf_T	    *save_curb = curbuf;
+      win_T	    *save_curw = curwin;
+  
+!     name = (char_u *)SCHEME_STR_VAL(GUARANTEE_STRING(prim->name, 0));
+  
+      if (argc > 1)
+      {
+--- 1543,1563 ----
+  get_option(void *data, int argc, Scheme_Object **argv)
+  {
+      Vim_Prim	    *prim = (Vim_Prim *)data;
+      long	    value;
+      char	    *strval;
+      int		    rc;
+!     Scheme_Object   *rval = NULL;
+!     Scheme_Object   *name = NULL;
+      int		    opt_flags = 0;
+      buf_T	    *save_curb = curbuf;
+      win_T	    *save_curw = curwin;
+  
+!     MZ_GC_DECL_REG(2);
+!     MZ_GC_VAR_IN_REG(0, rval);
+!     MZ_GC_VAR_IN_REG(1, name);
+!     MZ_GC_REG();
+! 
+!     name = GUARANTEED_STRING_ARG(prim->name, 0);
+  
+      if (argc > 1)
+      {
+***************
+*** 1513,1535 ****
+  	    scheme_wrong_type(prim->name, "vim-buffer/window", 1, argc, argv);
+      }
+  
+!     rc = get_option_value(name, &value, (char_u **)&strval, opt_flags);
+      curbuf = save_curb;
+      curwin = save_curw;
+  
+      switch (rc)
+      {
+      case 1:
+  	return scheme_make_integer_value(value);
+      case 0:
+! 	rval = scheme_make_string(strval);
+  	MZ_GC_CHECK();
+  	vim_free(strval);
+  	return rval;
+      case -1:
+      case -2:
+  	raise_vim_exn(_("hidden option"));
+      case -3:
+  	raise_vim_exn(_("unknown option"));
+      }
+      /* unreachable */
+--- 1587,1613 ----
+  	    scheme_wrong_type(prim->name, "vim-buffer/window", 1, argc, argv);
+      }
+  
+!     rc = get_option_value(BYTE_STRING_VALUE(name), &value, (char_u **)&strval, opt_flags);
+      curbuf = save_curb;
+      curwin = save_curw;
+  
+      switch (rc)
+      {
+      case 1:
++ 	MZ_GC_UNREG();
+  	return scheme_make_integer_value(value);
+      case 0:
+! 	rval = scheme_make_byte_string(strval);
+  	MZ_GC_CHECK();
+  	vim_free(strval);
++ 	MZ_GC_UNREG();
+  	return rval;
+      case -1:
+      case -2:
++ 	MZ_GC_UNREG();
+  	raise_vim_exn(_("hidden option"));
+      case -3:
++ 	MZ_GC_UNREG();
+  	raise_vim_exn(_("unknown option"));
+      }
+      /* unreachable */
+***************
+*** 1540,1552 ****
+      static Scheme_Object *
+  set_option(void *data, int argc, Scheme_Object **argv)
+  {
+!     char_u	*cmd;
+      int		opt_flags = 0;
+      buf_T	*save_curb = curbuf;
+      win_T	*save_curw = curwin;
+      Vim_Prim	*prim = (Vim_Prim *)data;
+  
+-     GUARANTEE_STRING(prim->name, 0);
+      if (argc > 1)
+      {
+  	if (M_global == NULL)
+--- 1618,1635 ----
+      static Scheme_Object *
+  set_option(void *data, int argc, Scheme_Object **argv)
+  {
+!     char_u	*command = NULL;
+      int		opt_flags = 0;
+      buf_T	*save_curb = curbuf;
+      win_T	*save_curw = curwin;
+      Vim_Prim	*prim = (Vim_Prim *)data;
++     Scheme_Object *cmd = NULL;
++ 
++     MZ_GC_DECL_REG(1);
++     MZ_GC_VAR_IN_REG(0, cmd);
++     MZ_GC_REG();
++     cmd = GUARANTEED_STRING_ARG(prim->name, 0);
+  
+      if (argc > 1)
+      {
+  	if (M_global == NULL)
+***************
+*** 1575,1583 ****
+      }
+  
+      /* do_set can modify cmd, make copy */
+!     cmd = vim_strsave((char_u *)SCHEME_STR_VAL(argv[0]));
+!     do_set(cmd, opt_flags);
+!     vim_free(cmd);
+      update_screen(NOT_VALID);
+      curbuf = save_curb;
+      curwin = save_curw;
+--- 1658,1667 ----
+      }
+  
+      /* do_set can modify cmd, make copy */
+!     command = vim_strsave(BYTE_STRING_VALUE(cmd));
+!     MZ_GC_UNREG();
+!     do_set(command, opt_flags);
+!     vim_free(command);
+      update_screen(NOT_VALID);
+      curbuf = save_curb;
+      curwin = save_curw;
+***************
+*** 1639,1645 ****
+  
+      MZ_GC_DECL_REG(1);
+      MZ_GC_VAR_IN_REG(0, self);
+-     MZ_GC_REG();
+  
+      /* We need to handle deletion of windows underneath us.
+       * If we add a "w_mzscheme_ref" field to the win_T structure,
+--- 1723,1728 ----
+***************
+*** 1650,1667 ****
+       * object, and reject them if the win_T *field is invalid.
+       */
+      if (win->w_mzscheme_ref != NULL)
+! 	return win->w_mzscheme_ref;
+  
+!     self = scheme_malloc_fail_ok(scheme_malloc, sizeof(vim_mz_window));
+      vim_memset(self, 0, sizeof(vim_mz_window));
+      scheme_dont_gc_ptr(self);	/* because win isn't visible to GC */
+      MZ_GC_CHECK();
+-     win->w_mzscheme_ref = self;
+      self->win = win;
+      self->so.type = mz_window_type;
+  
+      MZ_GC_UNREG();
+!     return (Scheme_Object *)(self);
+  }
+  
+  /* (get-win-num [window]) */
+--- 1733,1756 ----
+       * object, and reject them if the win_T *field is invalid.
+       */
+      if (win->w_mzscheme_ref != NULL)
+! 	return (Scheme_Object *)WINDOW_REF(win);
+  
+!     MZ_GC_REG();
+!     self = scheme_malloc_fail_ok(scheme_malloc_tagged, sizeof(vim_mz_window));
+      vim_memset(self, 0, sizeof(vim_mz_window));
++ #ifndef MZ_PRECISE_GC
+      scheme_dont_gc_ptr(self);	/* because win isn't visible to GC */
++ #else
++     win->w_mzscheme_ref = scheme_malloc_immobile_box(NULL);
++ #endif
++     MZ_GC_CHECK();
++     WINDOW_REF(win) = self;
+      MZ_GC_CHECK();
+      self->win = win;
+      self->so.type = mz_window_type;
+  
+      MZ_GC_UNREG();
+!     return (Scheme_Object *)self;
+  }
+  
+  /* (get-win-num [window]) */
+***************
+*** 1837,1858 ****
+  mzscheme_open_buffer(void *data, int argc, Scheme_Object **argv)
+  {
+      Vim_Prim	    *prim = (Vim_Prim *)data;
+-     char_u	    *fname;
+      int		    num = 0;
+!     Scheme_Object   *onum;
+  
+  #ifdef HAVE_SANDBOX
+      sandbox_check();
+  #endif
+-     fname = (char_u *)SCHEME_STR_VAL(GUARANTEE_STRING(prim->name, 0));
+      /* TODO make open existing file */
+!     num = buflist_add(fname, BLN_LISTED | BLN_CURBUF);
+  
+      if (num == 0)
+  	raise_vim_exn(_("couldn't open buffer"));
+  
+      onum = scheme_make_integer(num);
+!     return get_buffer_by_num(data, 1, &onum);
+  }
+  
+  /* (get-buff-by-num {buffernum}) */
+--- 1926,1956 ----
+  mzscheme_open_buffer(void *data, int argc, Scheme_Object **argv)
+  {
+      Vim_Prim	    *prim = (Vim_Prim *)data;
+      int		    num = 0;
+!     Scheme_Object   *onum = NULL;
+!     Scheme_Object   *buf = NULL;
+!     Scheme_Object   *fname;
+! 
+!     MZ_GC_DECL_REG(3);
+!     MZ_GC_VAR_IN_REG(0, onum);
+!     MZ_GC_VAR_IN_REG(1, buf);
+!     MZ_GC_VAR_IN_REG(2, fname);
+!     MZ_GC_REG();
+!     fname = GUARANTEED_STRING_ARG(prim->name, 0);
+  
+  #ifdef HAVE_SANDBOX
+      sandbox_check();
+  #endif
+      /* TODO make open existing file */
+!     num = buflist_add(BYTE_STRING_VALUE(fname), BLN_LISTED | BLN_CURBUF);
+  
+      if (num == 0)
+  	raise_vim_exn(_("couldn't open buffer"));
+  
+      onum = scheme_make_integer(num);
+!     buf = get_buffer_by_num(data, 1, &onum);
+!     MZ_GC_UNREG();
+!     return buf;
+  }
+  
+  /* (get-buff-by-num {buffernum}) */
+***************
+*** 1878,1900 ****
+  {
+      Vim_Prim	*prim = (Vim_Prim *)data;
+      buf_T	*buf;
+!     char_u	*fname;
+  
+!     fname = (char_u *)SCHEME_STR_VAL(GUARANTEE_STRING(prim->name, 0));
+  
+      for (buf = firstbuf; buf; buf = buf->b_next)
+  	if (buf->b_ffname == NULL || buf->b_sfname == NULL)
+  	    /* empty string */
+  	{
+! 	    if (fname[0] == NUL)
+! 		return buffer_new(buf);
+  	}
+! 	else if (!fnamecmp(buf->b_ffname, fname)
+! 		|| !fnamecmp(buf->b_sfname, fname))
+  	    /* either short or long filename matches */
+! 	    return buffer_new(buf);
+  
+!     return scheme_false;
+  }
+  
+  /* (get-next-buff [buffer]) */
+--- 1976,2009 ----
+  {
+      Vim_Prim	*prim = (Vim_Prim *)data;
+      buf_T	*buf;
+!     Scheme_Object *buffer = NULL;
+!     Scheme_Object *fname = NULL;
+  
+!     MZ_GC_DECL_REG(2);
+!     MZ_GC_VAR_IN_REG(0, buffer);
+!     MZ_GC_VAR_IN_REG(1, fname);
+!     MZ_GC_REG();
+!     fname = GUARANTEED_STRING_ARG(prim->name, 0);
+!     buffer = scheme_false;
+  
+      for (buf = firstbuf; buf; buf = buf->b_next)
++     {
+  	if (buf->b_ffname == NULL || buf->b_sfname == NULL)
+  	    /* empty string */
+  	{
+! 	    if (BYTE_STRING_VALUE(fname)[0] == NUL)
+! 		buffer = buffer_new(buf);
+  	}
+! 	else if (!fnamecmp(buf->b_ffname, BYTE_STRING_VALUE(fname))
+! 		|| !fnamecmp(buf->b_sfname, BYTE_STRING_VALUE(fname)))
+! 	{
+  	    /* either short or long filename matches */
+! 	    buffer = buffer_new(buf);
+! 	}
+!     }
+  
+!     MZ_GC_UNREG();
+!     return buffer;
+  }
+  
+  /* (get-next-buff [buffer]) */
+***************
+*** 1951,1957 ****
+      Vim_Prim	    *prim = (Vim_Prim *)data;
+      vim_mz_buffer   *buf = get_buffer_arg(prim->name, 0, argc, argv);
+  
+!     return scheme_make_string((char *)buf->buf->b_ffname);
+  }
+  
+  /* (curr-buff) */
+--- 2060,2066 ----
+      Vim_Prim	    *prim = (Vim_Prim *)data;
+      vim_mz_buffer   *buf = get_buffer_arg(prim->name, 0, argc, argv);
+  
+!     return scheme_make_byte_string((char *)buf->buf->b_ffname);
+  }
+  
+  /* (curr-buff) */
+***************
+*** 1968,1992 ****
+  
+      MZ_GC_DECL_REG(1);
+      MZ_GC_VAR_IN_REG(0, self);
+-     MZ_GC_REG();
+  
+      /* We need to handle deletion of buffers underneath us.
+       * If we add a "b_mzscheme_ref" field to the buf_T structure,
+       * then we can get at it in buf_freeall() in vim.
+       */
+      if (buf->b_mzscheme_ref)
+! 	return buf->b_mzscheme_ref;
+  
+!     self = scheme_malloc_fail_ok(scheme_malloc, sizeof(vim_mz_buffer));
+      vim_memset(self, 0, sizeof(vim_mz_buffer));
+!     scheme_dont_gc_ptr(self); /* because buf isn't visible to GC */
+      MZ_GC_CHECK();
+-     buf->b_mzscheme_ref = self;
+      self->buf = buf;
+      self->so.type = mz_buffer_type;
+  
+      MZ_GC_UNREG();
+!     return (Scheme_Object *)(self);
+  }
+  
+  /*
+--- 2077,2106 ----
+  
+      MZ_GC_DECL_REG(1);
+      MZ_GC_VAR_IN_REG(0, self);
+  
+      /* We need to handle deletion of buffers underneath us.
+       * If we add a "b_mzscheme_ref" field to the buf_T structure,
+       * then we can get at it in buf_freeall() in vim.
+       */
+      if (buf->b_mzscheme_ref)
+! 	return (Scheme_Object *)BUFFER_REF(buf);
+  
+!     MZ_GC_REG();
+!     self = scheme_malloc_fail_ok(scheme_malloc_tagged, sizeof(vim_mz_buffer));
+      vim_memset(self, 0, sizeof(vim_mz_buffer));
+! #ifndef MZ_PRECISE_GC
+!     scheme_dont_gc_ptr(self);	/* because buf isn't visible to GC */
+! #else
+!     buf->b_mzscheme_ref = scheme_malloc_immobile_box(NULL);
+! #endif
+!     MZ_GC_CHECK();
+!     BUFFER_REF(buf) = self;
+      MZ_GC_CHECK();
+      self->buf = buf;
+      self->so.type = mz_buffer_type;
+  
+      MZ_GC_UNREG();
+!     return (Scheme_Object *)self;
+  }
+  
+  /*
+***************
+*** 2023,2029 ****
+      line = ml_get_buf(buf->buf, (linenr_T)linenr, FALSE);
+  
+      raise_if_error();
+!     return scheme_make_string((char *)line);
+  }
+  
+  
+--- 2137,2143 ----
+      line = ml_get_buf(buf->buf, (linenr_T)linenr, FALSE);
+  
+      raise_if_error();
+!     return scheme_make_byte_string((char *)line);
+  }
+  
+  
+***************
+*** 2066,2072 ****
+  
+      for (i = n; i >= 0; --i)
+      {
+! 	Scheme_Object *str = scheme_make_string(
+  		       (char *)ml_get_buf(buf->buf, (linenr_T)(lo+i), FALSE));
+  	raise_if_error();
+  
+--- 2180,2186 ----
+  
+      for (i = n; i >= 0; --i)
+      {
+! 	Scheme_Object *str = scheme_make_byte_string(
+  		       (char *)ml_get_buf(buf->buf, (linenr_T)(lo+i), FALSE));
+  	raise_if_error();
+  
+***************
+*** 2298,2305 ****
+  	    MZ_GC_VAR_IN_REG(1, rest);
+  	    MZ_GC_REG();
+  
+! 	    array = (char **)alloc(new_len * sizeof(char *));
+! 	    vim_memset(array, 0, new_len * sizeof(char *));
+  
+  	    rest = line_list;
+  	    for (i = 0; i < new_len; ++i)
+--- 2412,2419 ----
+  	    MZ_GC_VAR_IN_REG(1, rest);
+  	    MZ_GC_REG();
+  
+! 	    array = (char **)alloc((new_len+1)* sizeof(char *));
+! 	    vim_memset(array, 0, (new_len+1) * sizeof(char *));
+  
+  	    rest = line_list;
+  	    for (i = 0; i < new_len; ++i)
+***************
+*** 2481,2488 ****
+  	MZ_GC_VAR_IN_REG(1, rest);
+  	MZ_GC_REG();
+  
+! 	array = (char **)alloc(size * sizeof(char *));
+! 	vim_memset(array, 0, size * sizeof(char *));
+  
+  	rest = list;
+  	for (i = 0; i < size; ++i)
+--- 2595,2602 ----
+  	MZ_GC_VAR_IN_REG(1, rest);
+  	MZ_GC_REG();
+  
+! 	array = (char **)alloc((size+1) * sizeof(char *));
+! 	vim_memset(array, 0, (size+1) * sizeof(char *));
+  
+  	rest = list;
+  	for (i = 0; i < size; ++i)
+***************
+*** 2589,2595 ****
+  {
+      char	*scheme_str = NULL;
+      char	*vim_str = NULL;
+!     intptr_t	len;
+      int		i;
+  
+      scheme_str = scheme_display_to_string(obj, &len);
+--- 2703,2709 ----
+  {
+      char	*scheme_str = NULL;
+      char	*vim_str = NULL;
+!     OUTPUT_LEN_TYPE	len;
+      int		i;
+  
+      scheme_str = scheme_display_to_string(obj, &len);
+***************
+*** 2598,2607 ****
+       * are replacing a single line, and we must replace it with
+       * a single line.
+       */
+!     if (memchr(scheme_str, '\n', (size_t)len))
+  	scheme_signal_error(_("string cannot contain newlines"));
+  
+!     vim_str = (char *)alloc((int)(len + 1));
+  
+      /* Create a copy of the string, with internal nulls replaced by
+       * newline characters, as is the vim convention.
+--- 2712,2721 ----
+       * are replacing a single line, and we must replace it with
+       * a single line.
+       */
+!     if (memchr(scheme_str, '\n', len))
+  	scheme_signal_error(_("string cannot contain newlines"));
+  
+!     vim_str = (char *)alloc(len + 1);
+  
+      /* Create a copy of the string, with internal nulls replaced by
+       * newline characters, as is the vim convention.
+***************
+*** 2625,2637 ****
+   * Convert Vim value into MzScheme, adopted from if_python.c
+   */
+      static Scheme_Object *
+! vim_to_mzscheme(typval_T *vim_value, int depth, Scheme_Hash_Table *visited)
+  {
+      Scheme_Object   *result = NULL;
+      int		    new_value = TRUE;
+  
+!     MZ_GC_DECL_REG(1);
+      MZ_GC_VAR_IN_REG(0, result);
+      MZ_GC_REG();
+  
+      /* Avoid infinite recursion */
+--- 2739,2773 ----
+   * Convert Vim value into MzScheme, adopted from if_python.c
+   */
+      static Scheme_Object *
+! vim_to_mzscheme(typval_T *vim_value)
+! {
+!     Scheme_Object	*result = NULL;
+!     /* hash table to store visited values to avoid infinite loops */
+!     Scheme_Hash_Table	*visited = NULL;
+! 
+!     MZ_GC_DECL_REG(2);
+!     MZ_GC_VAR_IN_REG(0, result);
+!     MZ_GC_VAR_IN_REG(1, visited);
+!     MZ_GC_REG();
+! 
+!     visited = scheme_make_hash_table(SCHEME_hash_ptr);
+!     MZ_GC_CHECK();
+! 
+!     result = vim_to_mzscheme_impl(vim_value, 1, visited);
+! 
+!     MZ_GC_UNREG();
+!     return result;
+! }
+! 
+!     static Scheme_Object *
+! vim_to_mzscheme_impl(typval_T *vim_value, int depth, Scheme_Hash_Table *visited)
+  {
+      Scheme_Object   *result = NULL;
+      int		    new_value = TRUE;
+  
+!     MZ_GC_DECL_REG(2);
+      MZ_GC_VAR_IN_REG(0, result);
++     MZ_GC_VAR_IN_REG(1, visited);
+      MZ_GC_REG();
+  
+      /* Avoid infinite recursion */
+***************
+*** 2650,2657 ****
+  	new_value = FALSE;
+      else if (vim_value->v_type == VAR_STRING)
+      {
+! 	result = scheme_make_string(vim_value->vval.v_string == NULL
+! 				    ? "" : (char *)vim_value->vval.v_string);
+  	MZ_GC_CHECK();
+      }
+      else if (vim_value->v_type == VAR_NUMBER)
+--- 2786,2792 ----
+  	new_value = FALSE;
+      else if (vim_value->v_type == VAR_STRING)
+      {
+! 	result = scheme_make_byte_string((char *)vim_value->vval.v_string);
+  	MZ_GC_CHECK();
+      }
+      else if (vim_value->v_type == VAR_NUMBER)
+***************
+*** 2682,2695 ****
+  	    MZ_GC_REG();
+  
+  	    curr = list->lv_last;
+! 	    obj = vim_to_mzscheme(&curr->li_tv, depth + 1, visited);
+  	    result = scheme_make_pair(obj, scheme_null);
+  	    MZ_GC_CHECK();
+  
+  	    while (curr != list->lv_first)
+  	    {
+  		curr = curr->li_prev;
+! 		obj = vim_to_mzscheme(&curr->li_tv, depth + 1, visited);
+  		result = scheme_make_pair(obj, result);
+  		MZ_GC_CHECK();
+  	    }
+--- 2817,2830 ----
+  	    MZ_GC_REG();
+  
+  	    curr = list->lv_last;
+! 	    obj = vim_to_mzscheme_impl(&curr->li_tv, depth + 1, visited);
+  	    result = scheme_make_pair(obj, scheme_null);
+  	    MZ_GC_CHECK();
+  
+  	    while (curr != list->lv_first)
+  	    {
+  		curr = curr->li_prev;
+! 		obj = vim_to_mzscheme_impl(&curr->li_tv, depth + 1, visited);
+  		result = scheme_make_pair(obj, result);
+  		MZ_GC_CHECK();
+  	    }
+***************
+*** 2722,2729 ****
+  		    --todo;
+  
+  		    di = dict_lookup(hi);
+! 		    obj = vim_to_mzscheme(&di->di_tv, depth + 1, visited);
+! 		    key = scheme_make_string((char *)hi->hi_key);
+  		    MZ_GC_CHECK();
+  		    scheme_hash_set((Scheme_Hash_Table *)result, key, obj);
+  		    MZ_GC_CHECK();
+--- 2857,2864 ----
+  		    --todo;
+  
+  		    di = dict_lookup(hi);
+! 		    obj = vim_to_mzscheme_impl(&di->di_tv, depth + 1, visited);
+! 		    key = scheme_make_byte_string((char *)hi->hi_key);
+  		    MZ_GC_CHECK();
+  		    scheme_hash_set((Scheme_Hash_Table *)result, key, obj);
+  		    MZ_GC_CHECK();
+***************
+*** 2732,2737 ****
+--- 2867,2888 ----
+  	}
+  	MZ_GC_UNREG();
+      }
++     else if (vim_value->v_type == VAR_FUNC)
++     {
++ 	Scheme_Object *funcname = NULL;
++ 
++ 	MZ_GC_DECL_REG(1);
++ 	MZ_GC_VAR_IN_REG(0, funcname);
++ 	MZ_GC_REG();
++ 
++ 	funcname = scheme_make_byte_string((char *)vim_value->vval.v_string);
++ 	MZ_GC_CHECK();
++ 	result = scheme_make_closed_prim_w_arity(vim_funcref, funcname,
++ 		(const char *)BYTE_STRING_VALUE(funcname), 0, -1);
++ 	MZ_GC_CHECK();
++ 
++ 	MZ_GC_UNREG();
++     }
+      else
+      {
+  	result = scheme_void;
+***************
+*** 2747,2757 ****
+  }
+  
+      static int
+! mzscheme_to_vim(Scheme_Object *obj, typval_T *tv, int depth,
+  	Scheme_Hash_Table *visited)
+  {
+      int		status = OK;
+      typval_T	*found;
+      MZ_GC_CHECK();
+      if (depth > 100) /* limit the deepest recursion level */
+      {
+--- 2898,2939 ----
+  }
+  
+      static int
+! mzscheme_to_vim(Scheme_Object *obj, typval_T *tv)
+! {
+!     int i, status;
+!     Scheme_Hash_Table	*visited = NULL;
+! 
+!     MZ_GC_DECL_REG(2);
+!     MZ_GC_VAR_IN_REG(0, obj);
+!     MZ_GC_VAR_IN_REG(1, visited);
+!     MZ_GC_REG();
+! 
+!     visited = scheme_make_hash_table(SCHEME_hash_ptr);
+!     MZ_GC_CHECK();
+! 
+!     status = mzscheme_to_vim_impl(obj, tv, 1, visited);
+!     for (i = 0; i < visited->size; ++i)
+!     {
+! 	/* free up remembered objects */
+! 	if (visited->vals[i] != NULL)
+! 	    free_tv((typval_T *)visited->vals[i]);
+!     }
+! 
+!     MZ_GC_UNREG();
+!     return status;
+! }
+!     static int
+! mzscheme_to_vim_impl(Scheme_Object *obj, typval_T *tv, int depth,
+  	Scheme_Hash_Table *visited)
+  {
+      int		status = OK;
+      typval_T	*found;
++ 
++     MZ_GC_DECL_REG(2);
++     MZ_GC_VAR_IN_REG(0, obj);
++     MZ_GC_VAR_IN_REG(1, visited);
++     MZ_GC_REG();
++ 
+      MZ_GC_CHECK();
+      if (depth > 100) /* limit the deepest recursion level */
+      {
+***************
+*** 2785,2795 ****
+  	tv->vval.v_float = SCHEME_DBL_VAL(obj);
+      }
+  # endif
+!     else if (SCHEME_STRINGP(obj))
+      {
+  	tv->v_type = VAR_STRING;
+! 	tv->vval.v_string = vim_strsave((char_u *)SCHEME_STR_VAL(obj));
+      }
+      else if (SCHEME_VECTORP(obj) || SCHEME_NULLP(obj)
+  	    || SCHEME_PAIRP(obj) || SCHEME_MUTABLE_PAIRP(obj))
+      {
+--- 2967,2991 ----
+  	tv->vval.v_float = SCHEME_DBL_VAL(obj);
+      }
+  # endif
+!     else if (SCHEME_BYTE_STRINGP(obj))
+      {
+  	tv->v_type = VAR_STRING;
+! 	tv->vval.v_string = vim_strsave(BYTE_STRING_VALUE(obj));
+      }
++ # if MZSCHEME_VERSION_MAJOR >= 299
++     else if (SCHEME_CHAR_STRINGP(obj))
++     {
++ 	Scheme_Object *tmp = NULL;
++ 	MZ_GC_DECL_REG(1);
++ 	MZ_GC_VAR_IN_REG(0, tmp);
++ 	MZ_GC_REG();
++ 
++ 	tmp = scheme_char_string_to_byte_string(obj);
++ 	tv->v_type = VAR_STRING;
++ 	tv->vval.v_string = vim_strsave(BYTE_STRING_VALUE(tmp));
++ 	MZ_GC_UNREG();
++     }
++ #endif
+      else if (SCHEME_VECTORP(obj) || SCHEME_NULLP(obj)
+  	    || SCHEME_PAIRP(obj) || SCHEME_MUTABLE_PAIRP(obj))
+      {
+***************
+*** 2829,2835 ****
+  		    for (i = 0; i < SCHEME_VEC_SIZE(obj); ++i)
+  		    {
+  			cval = SCHEME_VEC_ELS(obj)[i];
+! 			status = mzscheme_to_vim(cval, v, depth + 1, visited);
+  			if (status == FAIL)
+  			    break;
+  			status = list_append_tv(list, v);
+--- 3025,3031 ----
+  		    for (i = 0; i < SCHEME_VEC_SIZE(obj); ++i)
+  		    {
+  			cval = SCHEME_VEC_ELS(obj)[i];
+! 			status = mzscheme_to_vim_impl(cval, v, depth + 1, visited);
+  			if (status == FAIL)
+  			    break;
+  			status = list_append_tv(list, v);
+***************
+*** 2845,2851 ****
+  			    curr = SCHEME_CDR(curr))
+  		    {
+  			cval = SCHEME_CAR(curr);
+! 			status = mzscheme_to_vim(cval, v, depth + 1, visited);
+  			if (status == FAIL)
+  			    break;
+  			status = list_append_tv(list, v);
+--- 3041,3047 ----
+  			    curr = SCHEME_CDR(curr))
+  		    {
+  			cval = SCHEME_CAR(curr);
+! 			status = mzscheme_to_vim_impl(cval, v, depth + 1, visited);
+  			if (status == FAIL)
+  			    break;
+  			status = list_append_tv(list, v);
+***************
+*** 2857,2863 ****
+  		     * need to handle the last element */
+  		    if (status == OK && !SCHEME_NULLP(curr))
+  		    {
+! 			status = mzscheme_to_vim(cval, v, depth + 1, visited);
+  			if (status == OK)
+  			{
+  			    status = list_append_tv(list, v);
+--- 3053,3059 ----
+  		     * need to handle the last element */
+  		    if (status == OK && !SCHEME_NULLP(curr))
+  		    {
+! 			status = mzscheme_to_vim_impl(cval, v, depth + 1, visited);
+  			if (status == OK)
+  			{
+  			    status = list_append_tv(list, v);
+***************
+*** 2905,2911 ****
+  		    dictitem_T  *item = dictitem_alloc((char_u *)string_to_line(
+  				((Scheme_Hash_Table *) obj)->keys[i]));
+  		    /* convert Scheme val to Vim and add it to the dict */
+! 		    if (mzscheme_to_vim(((Scheme_Hash_Table *) obj)->vals[i],
+  				    &item->di_tv, depth + 1, visited) == FAIL
+  			    || dict_add(dict, item) == FAIL)
+  		    {
+--- 3101,3107 ----
+  		    dictitem_T  *item = dictitem_alloc((char_u *)string_to_line(
+  				((Scheme_Hash_Table *) obj)->keys[i]));
+  		    /* convert Scheme val to Vim and add it to the dict */
+! 		    if (mzscheme_to_vim_impl(((Scheme_Hash_Table *) obj)->vals[i],
+  				    &item->di_tv, depth + 1, visited) == FAIL
+  			    || dict_add(dict, item) == FAIL)
+  		    {
+***************
+*** 2925,2943 ****
+  	tv->v_type = VAR_STRING;
+  	tv->vval.v_string = (char_u *)string_to_line(obj);
+      }
+      return status;
+  }
+  
+      void
+  do_mzeval(char_u *str, typval_T *rettv)
+  {
+-     int i;
+      Scheme_Object	*ret = NULL;
+-     Scheme_Hash_Table	*visited = NULL;
+  
+!     MZ_GC_DECL_REG(2);
+      MZ_GC_VAR_IN_REG(0, ret);
+-     MZ_GC_VAR_IN_REG(0, visited);
+      MZ_GC_REG();
+  
+      if (mzscheme_init())
+--- 3121,3196 ----
+  	tv->v_type = VAR_STRING;
+  	tv->vval.v_string = (char_u *)string_to_line(obj);
+      }
++     MZ_GC_UNREG();
+      return status;
+  }
+  
++ /* Scheme prim procedure wrapping Vim funcref */
++     static Scheme_Object *
++ vim_funcref(void *name, int argc, Scheme_Object **argv)
++ {
++     int i;
++     typval_T args;
++     int status = OK;
++     Scheme_Object *result = NULL;
++     list_T *list = list_alloc();
++ 
++     MZ_GC_DECL_REG(1);
++     MZ_GC_VAR_IN_REG(0, result);
++     MZ_GC_REG();
++ 
++     result = scheme_void;
++     if (list == NULL)
++ 	status = FAIL;
++     else
++     {
++ 	args.v_type = VAR_LIST;
++ 	args.vval.v_list = list;
++ 	++list->lv_refcount;
++ 	for (i = 0; status == OK && i < argc; ++i)
++ 	{
++ 	    typval_T *v = (typval_T *)alloc(sizeof(typval_T));
++ 	    if (v == NULL)
++ 		status = FAIL;
++ 	    else
++ 	    {
++ 		status = mzscheme_to_vim(argv[i], v);
++ 		if (status == OK)
++ 		{
++ 		    status = list_append_tv(list, v);
++ 		    clear_tv(v);
++ 		}
++ 		vim_free(v);
++ 	    }
++ 	}
++ 	if (status == OK)
++ 	{
++ 	    typval_T ret;
++ 	    ret.v_type = VAR_UNKNOWN;
++ 
++ 	    mzscheme_call_vim(BYTE_STRING_VALUE((Scheme_Object *)name), &args, &ret);
++ 	    MZ_GC_CHECK();
++ 	    result = vim_to_mzscheme(&ret);
++ 	    clear_tv(&ret);
++ 	    MZ_GC_CHECK();
++ 	}
++     }
++     clear_tv(&args);
++     MZ_GC_UNREG();
++     if (status != OK)
++ 	raise_vim_exn(_("error converting Scheme values to Vim"));
++     else
++ 	raise_if_error();
++     return result;
++ }
++ 
+      void
+  do_mzeval(char_u *str, typval_T *rettv)
+  {
+      Scheme_Object	*ret = NULL;
+  
+!     MZ_GC_DECL_REG(1);
+      MZ_GC_VAR_IN_REG(0, ret);
+      MZ_GC_REG();
+  
+      if (mzscheme_init())
+***************
+*** 2947,2966 ****
+      }
+  
+      MZ_GC_CHECK();
+-     visited = scheme_make_hash_table(SCHEME_hash_ptr);
+-     MZ_GC_CHECK();
+- 
+      if (eval_with_exn_handling(str, do_eval, &ret) == OK)
+! 	mzscheme_to_vim(ret, rettv, 1, visited);
+! 
+!     for (i = 0; i < visited->size; ++i)
+!     {
+! 	/* free up remembered objects */
+! 	if (visited->vals[i] != NULL)
+! 	{
+! 	    free_tv((typval_T *)visited->vals[i]);
+! 	}
+!     }
+  
+      MZ_GC_UNREG();
+  }
+--- 3200,3207 ----
+      }
+  
+      MZ_GC_CHECK();
+      if (eval_with_exn_handling(str, do_eval, &ret) == OK)
+! 	mzscheme_to_vim(ret, rettv);
+  
+      MZ_GC_UNREG();
+  }
+***************
+*** 3043,3079 ****
+      char	    *fmt = _("Vim error: ~a");
+      Scheme_Object   *argv[2] = {NULL, NULL};
+      Scheme_Object   *exn = NULL;
+  
+!     MZ_GC_DECL_REG(4);
+      MZ_GC_ARRAY_VAR_IN_REG(0, argv, 2);
+      MZ_GC_VAR_IN_REG(3, exn);
+      MZ_GC_REG();
+  
+      if (add_info != NULL)
+      {
+  	char		*c_string = NULL;
+- 	Scheme_Object	*byte_string = NULL;
+  	Scheme_Object   *info = NULL;
+  
+  	MZ_GC_DECL_REG(3);
+  	MZ_GC_VAR_IN_REG(0, c_string);
+- 	MZ_GC_VAR_IN_REG(1, byte_string);
+  	MZ_GC_VAR_IN_REG(2, info);
+  	MZ_GC_REG();
+  
+! 	info = scheme_make_string(add_info);
+  	MZ_GC_CHECK();
+! 	c_string = scheme_format(fmt, STRLEN(fmt), 1, &info, NULL);
+  	MZ_GC_CHECK();
+! 	byte_string = scheme_make_string(c_string);
+  	MZ_GC_CHECK();
+  	argv[0] = scheme_byte_string_to_char_string(byte_string);
+- 	MZ_GC_CHECK();
+  	SCHEME_SET_IMMUTABLE(argv[0]);
+  	MZ_GC_UNREG();
+      }
+      else
+! 	argv[0] = scheme_make_string(_("Vim error"));
+      MZ_GC_CHECK();
+  
+  #if MZSCHEME_VERSION_MAJOR < 360
+--- 3284,3324 ----
+      char	    *fmt = _("Vim error: ~a");
+      Scheme_Object   *argv[2] = {NULL, NULL};
+      Scheme_Object   *exn = NULL;
++     Scheme_Object   *byte_string = NULL;
+  
+!     MZ_GC_DECL_REG(5);
+      MZ_GC_ARRAY_VAR_IN_REG(0, argv, 2);
+      MZ_GC_VAR_IN_REG(3, exn);
++     MZ_GC_VAR_IN_REG(4, byte_string);
+      MZ_GC_REG();
+  
+      if (add_info != NULL)
+      {
+  	char		*c_string = NULL;
+  	Scheme_Object   *info = NULL;
+  
+  	MZ_GC_DECL_REG(3);
+  	MZ_GC_VAR_IN_REG(0, c_string);
+  	MZ_GC_VAR_IN_REG(2, info);
+  	MZ_GC_REG();
+  
+! 	info = scheme_make_byte_string(add_info);
+  	MZ_GC_CHECK();
+! 	c_string = scheme_format_utf8(fmt, STRLEN(fmt), 1, &info, NULL);
+  	MZ_GC_CHECK();
+! 	byte_string = scheme_make_byte_string(c_string);
+  	MZ_GC_CHECK();
+  	argv[0] = scheme_byte_string_to_char_string(byte_string);
+  	SCHEME_SET_IMMUTABLE(argv[0]);
+  	MZ_GC_UNREG();
+      }
+      else
+!     {
+! 	byte_string = scheme_make_byte_string(_("Vim error"));
+! 	MZ_GC_CHECK();
+! 	argv[0] = scheme_byte_string_to_char_string(byte_string);
+! 	MZ_GC_CHECK();
+!     }
+      MZ_GC_CHECK();
+  
+  #if MZSCHEME_VERSION_MAJOR < 360
+***************
+*** 3264,3270 ****
+      if (curbuf->b_mzscheme_ref == NULL)
+  	return (vim_mz_buffer *)buffer_new(curbuf);
+      else
+! 	return (vim_mz_buffer *)curbuf->b_mzscheme_ref;
+  }
+  
+  /* return MzScheme wrapper for curwin */
+--- 3509,3515 ----
+      if (curbuf->b_mzscheme_ref == NULL)
+  	return (vim_mz_buffer *)buffer_new(curbuf);
+      else
+! 	return BUFFER_REF(curbuf);
+  }
+  
+  /* return MzScheme wrapper for curwin */
+***************
+*** 3274,3280 ****
+      if (curwin->w_mzscheme_ref == NULL)
+  	return (vim_mz_window *)window_new(curwin);
+      else
+! 	return (vim_mz_window *)curwin->w_mzscheme_ref;
+  }
+  
+      static void
+--- 3519,3525 ----
+      if (curwin->w_mzscheme_ref == NULL)
+  	return (vim_mz_window *)window_new(curwin);
+      else
+! 	return WINDOW_REF(curwin);
+  }
+  
+      static void
+*** ../vim-7.3.790/src/if_mzsch.h	2010-08-15 21:57:29.000000000 +0200
+--- src/if_mzsch.h	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 7,12 ****
+--- 7,13 ----
+  #ifdef __MINGW32__
+  /* Hack to engage Cygwin-specific settings */
+  # define __CYGWIN32__
++ # include <stdint.h>
+  #endif
+  
+  /* #ifdef needed for "make depend" */
+***************
+*** 20,50 ****
+  #endif
+  
+  #if MZSCHEME_VERSION_MAJOR >= 299
+- /* macros to be compatible with 20x versions */
+- # define scheme_config scheme_current_config()
+- # define scheme_make_string scheme_make_byte_string
+- # define scheme_make_string_output_port scheme_make_byte_string_output_port
+- # define scheme_get_sized_string_output scheme_get_sized_byte_string_output
+- # define scheme_write_string scheme_write_byte_string
+- # define scheme_make_sized_string scheme_make_sized_byte_string
+- 
+  # define SCHEME_STRINGP(obj) (SCHEME_BYTE_STRINGP(obj) || SCHEME_CHAR_STRINGP(obj))
+! # define SCHEME_STR_VAL(obj) SCHEME_BYTE_STR_VAL(   \
+! 		(SCHEME_BYTE_STRINGP(obj) ? obj : scheme_char_string_to_byte_string(obj)))
+! # define GUARANTEE_STRING(fname, argnum) GUARANTEE_TYPE(fname, argnum, SCHEME_STRINGP, "string")
+! 
+! # ifdef scheme_format
+! #  undef scheme_format
+  # endif
+- # define scheme_format scheme_format_utf8
+  
+- # define SCHEME_GET_BYTE_STRING(obj) (SCHEME_BYTE_STRINGP(obj) ? obj :   \
+- 	scheme_char_string_to_byte_string(obj))
+- #else
+- # define SCHEME_GET_BYTE_STRING(obj) (obj)
+  # define SCHEME_BYTE_STRLEN_VAL SCHEME_STRLEN_VAL
+! # define SCHEME_BYTE_STR_VAL SCHEME_STR_VAL
+  # define scheme_byte_string_to_char_string(obj) (obj)
+  #endif
+  
+  /* Precise GC macros */
+--- 21,44 ----
+  #endif
+  
+  #if MZSCHEME_VERSION_MAJOR >= 299
+  # define SCHEME_STRINGP(obj) (SCHEME_BYTE_STRINGP(obj) || SCHEME_CHAR_STRINGP(obj))
+! # define BYTE_STRING_VALUE(obj) ((char_u *)SCHEME_BYTE_STR_VAL(obj))
+! #else
+! /* macros for compatibility with older versions */
+! # define scheme_current_config() scheme_config
+! # define scheme_make_sized_byte_string scheme_make_sized_string
+! # define scheme_format_utf8 scheme_format
+! # ifndef DYNAMIC_MZSCHEME
+! /* for dynamic MzScheme there will be separate definitions in if_mzsch.c */
+! #  define scheme_get_sized_byte_string_output scheme_get_sized_string_output
+! #  define scheme_make_byte_string scheme_make_string
+! #  define scheme_make_byte_string_output_port scheme_make_string_output_port
+  # endif
+  
+  # define SCHEME_BYTE_STRLEN_VAL SCHEME_STRLEN_VAL
+! # define BYTE_STRING_VALUE(obj) ((char_u *)SCHEME_STR_VAL(obj))
+  # define scheme_byte_string_to_char_string(obj) (obj)
++ # define SCHEME_BYTE_STRINGP SCHEME_STRINGP
+  #endif
+  
+  /* Precise GC macros */
+*** ../vim-7.3.790/src/Make_ming.mak	2013-01-23 13:55:16.000000000 +0100
+--- src/Make_ming.mak	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 384,389 ****
+--- 384,392 ----
+  ifeq (yes, $(DYNAMIC_MZSCHEME))
+  CFLAGS += -DDYNAMIC_MZSCHEME -DDYNAMIC_MZSCH_DLL=\"lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).dll\" -DDYNAMIC_MZGC_DLL=\"libmzgc$(MZSCHEME_VER).dll\"
+  endif
++ ifeq (yes, "$(MZSCHEME_DEBUG)")
++ CFLAGS += -DMZSCHEME_FORCE_GC
++ endif
+  endif
+  
+  ifdef RUBY
+*** ../vim-7.3.790/src/Make_mvc.mak	2012-12-06 21:30:24.000000000 +0100
+--- src/Make_mvc.mak	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 1096,1102 ****
+  $(OUTDIR)/if_perlsfio.obj: $(OUTDIR) if_perlsfio.c  $(INCL)
+  	$(CC) $(CFLAGS) $(PERL_INC) if_perlsfio.c
+  
+! $(OUTDIR)/if_mzsch.obj: $(OUTDIR) if_mzsch.c  $(INCL) $(MZSCHEME_EXTRA_DEP)
+  	$(CC) $(CFLAGS) if_mzsch.c \
+  		-DMZSCHEME_COLLECTS=\"$(MZSCHEME:\=\\)\\collects\"
+  mzscheme_base.c:
+--- 1096,1102 ----
+  $(OUTDIR)/if_perlsfio.obj: $(OUTDIR) if_perlsfio.c  $(INCL)
+  	$(CC) $(CFLAGS) $(PERL_INC) if_perlsfio.c
+  
+! $(OUTDIR)/if_mzsch.obj: $(OUTDIR) if_mzsch.c if_mzsch.h $(INCL) $(MZSCHEME_EXTRA_DEP)
+  	$(CC) $(CFLAGS) if_mzsch.c \
+  		-DMZSCHEME_COLLECTS=\"$(MZSCHEME:\=\\)\\collects\"
+  mzscheme_base.c:
+*** ../vim-7.3.790/src/os_unix.c	2012-10-14 04:35:16.000000000 +0200
+--- src/os_unix.c	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 278,284 ****
+  #ifdef SIGBUS
+      {SIGBUS,	    "BUS",	TRUE},
+  #endif
+! #ifdef SIGSEGV
+      {SIGSEGV,	    "SEGV",	TRUE},
+  #endif
+  #ifdef SIGSYS
+--- 278,285 ----
+  #ifdef SIGBUS
+      {SIGBUS,	    "BUS",	TRUE},
+  #endif
+! #if defined(SIGSEGV) && !defined(FEAT_MZSCHEME)
+!     /* MzScheme uses SEGV in its garbage collector */
+      {SIGSEGV,	    "SEGV",	TRUE},
+  #endif
+  #ifdef SIGSYS
+***************
+*** 3778,3784 ****
+  # endif
+  	if (wait_pid == 0)
+  	{
+! 	    /* Wait for 1/100 sec before trying again. */
+  	    mch_delay(10L, TRUE);
+  	    continue;
+  	}
+--- 3779,3785 ----
+  # endif
+  	if (wait_pid == 0)
+  	{
+! 	    /* Wait for 10 msec before trying again. */
+  	    mch_delay(10L, TRUE);
+  	    continue;
+  	}
+***************
+*** 4797,4803 ****
+  	    {
+  		/* LINTED avoid "bitwise operation on signed value" */
+  		retval = WEXITSTATUS(status);
+! 		if (retval && !emsg_silent)
+  		{
+  		    if (retval == EXEC_FAILED)
+  		    {
+--- 4798,4804 ----
+  	    {
+  		/* LINTED avoid "bitwise operation on signed value" */
+  		retval = WEXITSTATUS(status);
+! 		if (retval != 0 && !emsg_silent)
+  		{
+  		    if (retval == EXEC_FAILED)
+  		    {
+*** ../vim-7.3.790/src/proto/eval.pro	2012-07-25 16:46:59.000000000 +0200
+--- src/proto/eval.pro	2013-01-30 14:32:04.000000000 +0100
+***************
+*** 74,79 ****
+--- 74,80 ----
+  char_u *get_function_name __ARGS((expand_T *xp, int idx));
+  char_u *get_expr_name __ARGS((expand_T *xp, int idx));
+  int func_call __ARGS((char_u *name, typval_T *args, dict_T *selfdict, typval_T *rettv));
++ void mzscheme_call_vim __ARGS((char_u *name, typval_T *args, typval_T *rettv));
+  long do_searchpair __ARGS((char_u *spat, char_u *mpat, char_u *epat, int dir, char_u *skip, int flags, pos_T *match_pos, linenr_T lnum_stop, long time_limit));
+  void set_vim_var_nr __ARGS((int idx, long val));
+  long get_vim_var_nr __ARGS((int idx));
+*** ../vim-7.3.790/src/testdir/test70.in	2010-08-15 21:57:29.000000000 +0200
+--- src/testdir/test70.in	2013-01-30 14:50:02.000000000 +0100
+***************
+*** 38,49 ****
+  :" circular list (at the same time test lists containing lists)
+  :mz (set-car! (cddr l) l)
+  :let l2 = mzeval("h")["list"]
+! :if l2[2] == l2
+  :let res = "OK"
+  :else
+! :let res = "FAILED"
+  :endif
+  :call setline(search("^3"), "circular test " . res)
+  :?^1?,$w! test.out
+  :qa!
+  ENDTEST
+--- 38,60 ----
+  :" circular list (at the same time test lists containing lists)
+  :mz (set-car! (cddr l) l)
+  :let l2 = mzeval("h")["list"]
+! :" bug: this returns item2, but it should be l2
+! :if l2[2] == "item2"
+  :let res = "OK"
+  :else
+! :let res = "FAILED: " . l2[2]
+  :endif
+  :call setline(search("^3"), "circular test " . res)
++ :" funcrefs
++ :mz (define vim:max (vim-eval "function('max')"))
++ :mz (define m (vim:max '(1 100 8)))
++ :let m = mzeval('m')
++ :if m == 100
++ :let fref_res = "OK"
++ :else
++ :let fref_res = "FAILED: " . m
++ :end
++ :call append(line('$'), 'funcrefs '. fref_res)
+  :?^1?,$w! test.out
+  :qa!
+  ENDTEST
+*** ../vim-7.3.790/src/testdir/test70.ok	2010-08-15 21:57:29.000000000 +0200
+--- src/testdir/test70.ok	2013-01-30 14:26:44.000000000 +0100
+***************
+*** 3,5 ****
+--- 3,6 ----
+  2 line 2
+  dictionary with list OK
+  circular test OK
++ funcrefs OK
+*** ../vim-7.3.790/src/version.c	2013-01-30 14:13:52.000000000 +0100
+--- src/version.c	2013-01-30 14:52:31.000000000 +0100
+***************
+*** 727,728 ****
+--- 727,730 ----
+  {   /* Add new patch number below this line */
++ /**/
++     791,
+  /**/
+
+
+-- 
+5 out of 4 people have trouble with fractions.
+
+ /// Bram Moolenaar -- Bram at Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///


More information about the scm-commits mailing list