* filesys.c (scm_stat): Slightly optimized.

[bpt/guile.git] / libguile / struct.c

diff --git a/libguile/struct.c b/libguile/struct.c
index 6f2261e..a693135 100644 (file)
--- a/libguile/struct.c
+++ b/libguile/struct.c
@@ -1,4 +1,4 @@
-/*     Copyright (C) 1996 Free Software Foundation, Inc.
+/*     Copyright (C) 1996, 1997 Free Software Foundation, Inc.
  * 
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -44,6 +44,7 @@
 #include "_scm.h"
 #include "chars.h"
 #include "genio.h"
+#include "eval.h"
 
 #include "struct.h"
 
@@ -196,7 +197,7 @@ init_struct (handle, tail_elts, inits)
 
        case 'p':
          if ((prot != 'r' && prot != 'w') || inits == SCM_EOL)
-           *mem = SCM_EOL;
+           *mem = SCM_BOOL_F;
          else
            {
              *mem = SCM_CAR (inits);
@@ -355,7 +356,7 @@ scm_make_struct (vtable, tail_array_size, init)
   SCM_ASSERT (SCM_INUMP (tail_array_size), tail_array_size, SCM_ARG2,
              s_make_struct);
 
-  layout = SCM_STRUCT_DATA (vtable)[scm_struct_i_layout];
+  layout = SCM_STRUCT_DATA (vtable)[scm_vtable_index_layout];
   basic_size = SCM_LENGTH (layout) / 2;
   tail_elts = SCM_INUM (tail_array_size);
   SCM_NEWCELL (handle);
@@ -602,42 +603,26 @@ scm_print_struct (exp, port, pstate)
      SCM port;
      scm_print_state *pstate;
 {
-#if 0 /* XXX - too verbose */
-  SCM * data;
-  SCM layout;
-  int p;
-  int n_fields;
-  unsigned char * fields_desc;
-  unsigned char field_type;
-  
-  layout = SCM_STRUCT_LAYOUT (exp);
-  data = SCM_STRUCT_DATA (exp);
-
-  fields_desc = (unsigned char *)SCM_CHARS (layout);
-  n_fields = data[scm_struct_i_n_words] - scm_struct_n_extra_words;
-
-  scm_gen_write (scm_regular_string, "#<struct ", sizeof ("#<struct ") - 1, port);
-  for (p = 0; p < n_fields; p++)
+  if (SCM_NFALSEP (scm_procedure_p (SCM_STRUCT_PRINTER (exp))))
+    scm_printer_apply (SCM_STRUCT_PRINTER (exp), exp, port, pstate);
+  else
     {
-      if (fields_desc[2*p] == 'p')
-       scm_iprin1 (data[p], port, pstate);
-      if (p < n_fields-1)
-       scm_gen_putc (' ', port);
+      scm_lfwrite ("#<struct ", sizeof ("#<struct ") - 1, port);
+      scm_intprint (SCM_STRUCT_VTABLE (exp), 16, port);
+      scm_putc (':', port);
+      scm_intprint (exp, 16, port);
+      scm_putc ('>', port);
     }
-  scm_gen_putc ('>', port);
-#else
-  scm_gen_write (scm_regular_string, "#<struct ", sizeof ("#<struct ") - 1, port);
-  scm_intprint (exp, 16, port);
-  scm_gen_putc ('>', port);
-#endif
 }
 
 void
 scm_init_struct ()
 {
-  required_vtable_fields = SCM_CAR (scm_intern_obarray ("pruosr", sizeof ("pruosr") - 1, SCM_BOOL_F));
+  required_vtable_fields = SCM_CAR (scm_intern_obarray ("pruosrpw", sizeof ("pruosrpw") - 1, SCM_BOOL_F));
   scm_permanent_object (required_vtable_fields);
-  scm_sysintern ("struct-vtable-offset", SCM_MAKINUM (scm_struct_i_vtable_offset));
+  scm_sysintern ("vtable-index-layout", SCM_MAKINUM (scm_vtable_index_layout));
+  scm_sysintern ("vtable-index-vtable", SCM_MAKINUM (scm_vtable_index_vtable));
+  scm_sysintern ("vtable-index-printer", SCM_MAKINUM (scm_vtable_index_printer));
+  scm_sysintern ("vtable-offset-user", SCM_MAKINUM (scm_vtable_offset_user));
 #include "struct.x"
 }
-