Fixed for Perl 5.8.2.

[perl4caml.git] / perl_c.c

diff --git a/perl_c.c b/perl_c.c
index 57cf650..dc5b93b 100644 (file)
--- a/perl_c.c
+++ b/perl_c.c
@@ -1,6 +1,6 @@
 /* Interface to Perl from OCaml.
  * Copyright (C) 2003 Merjis Ltd.
- * $Id: perl_c.c,v 1.6 2003-10-15 16:51:12 rich Exp $
+ * $Id: perl_c.c,v 1.12 2003-11-19 16:28:22 rich Exp $
  */
 
 #include <stdio.h>
@@ -20,6 +20,10 @@
  */
 #define off64_t __off64_t
 
+/* XXX This is required by Perl >= 5.8.2. */
+#define __USE_GNU
+#include <crypt.h>
+
 #include <EXTERN.h>
 #include <perl.h>
 
@@ -42,13 +46,15 @@ static value unoption (value option, value deflt);
 #define Sv_val(svv) (Voidptr_val (SV, (svv)))
 #define Val_av(av) (Val_voidptr ((av)))
 #define Av_val(avv) (Voidptr_val (AV, (avv)))
+#define Val_hv(hv) (Val_voidptr ((hv)))
+#define Hv_val(hvv) (Voidptr_val (HV, (hvv)))
 
 CAMLprim value
 perl4caml_init (value unit)
 {
   CAMLparam1 (unit);
   PERL_SYS_INIT3 (NULL, NULL, NULL);
-  return Val_unit;
+  CAMLreturn (Val_unit);
 }
 
 CAMLprim value
@@ -56,7 +62,7 @@ perl4caml_current_interpreter (value unit)
 {
   CAMLparam1 (unit);
   if (my_perl == 0) raise_not_found ();
-  return Val_perl (my_perl);
+  CAMLreturn (Val_perl (my_perl));
 }
 
 static void
@@ -189,18 +195,10 @@ perl4caml_sv_is_true (value svv)
 }
 
 CAMLprim value
-perl4caml_sv_is_undef (value svv)
-{
-  CAMLparam1 (svv);
-  SV *sv = Sv_val (svv);
-  CAMLreturn (sv == &PL_sv_undef ? Val_true : Val_false);
-}
-
-CAMLprim value
 perl4caml_sv_undef (value unit)
 {
   CAMLparam1 (unit);
-  CAMLreturn (Val_sv (&PL_sv_undef));
+  CAMLreturn (Val_sv (newSV (0)));
 }
 
 CAMLprim value
@@ -239,6 +237,36 @@ perl4caml_sv_type (value svv)
 }
 
 CAMLprim value
+perl4caml_scalarref (value svv)
+{
+  CAMLparam1 (svv);
+  CAMLlocal1 (rsvv);
+  SV *sv = Sv_val (svv);
+  rsvv = Val_sv (newRV_inc (sv));
+  CAMLreturn (rsvv);
+}
+
+CAMLprim value
+perl4caml_arrayref (value avv)
+{
+  CAMLparam1 (avv);
+  CAMLlocal1 (rsvv);
+  AV *av = Av_val (avv);
+  rsvv = Val_sv (newRV_inc ((SV *) av));
+  CAMLreturn (rsvv);
+}
+
+CAMLprim value
+perl4caml_hashref (value hvv)
+{
+  CAMLparam1 (hvv);
+  CAMLlocal1 (rsvv);
+  HV *hv = Hv_val (hvv);
+  rsvv = Val_sv (newRV_inc ((SV *) hv));
+  CAMLreturn (rsvv);
+}
+
+CAMLprim value
 perl4caml_deref (value svv)
 {
   CAMLparam1 (svv);
@@ -281,6 +309,25 @@ perl4caml_deref_array (value svv)
 }
 
 CAMLprim value
+perl4caml_deref_hash (value svv)
+{
+  CAMLparam1 (svv);
+  CAMLlocal1 (rhvv);
+  SV *sv = Sv_val (svv);
+
+  if (SvTYPE (sv) != SVt_RV)
+    invalid_argument ("deref_array: SV is not a reference");
+  switch (SvTYPE (SvRV (sv))) {
+  case SVt_PVHV:
+    break;
+  default:
+    invalid_argument ("deref_array: SV is not a reference to a hash");
+  }
+  rhvv = Val_hv ((HV *) SvRV (sv));
+  CAMLreturn (rhvv);
+}
+
+CAMLprim value
 perl4caml_av_empty (value unit)
 {
   CAMLparam1 (unit);
@@ -419,6 +466,72 @@ perl4caml_av_extend (value avv, value i)
 }
 
 CAMLprim value
+perl4caml_hv_empty (value unit)
+{
+  CAMLparam1 (unit);
+  HV *hv = newHV ();
+  CAMLreturn (Val_hv (hv));
+}
+
+CAMLprim value
+perl4caml_hv_set (value hvv, value key, value svv)
+{
+  CAMLparam3 (hvv, key, svv);
+  HV *hv = Hv_val (hvv);
+  SV *sv = Sv_val (svv);
+  SvREFCNT_inc (sv);
+  if (hv_store (hv, String_val (key), string_length (key), sv, 0) == 0)
+    SvREFCNT_dec (sv);
+  CAMLreturn (Val_unit);
+}
+
+CAMLprim value
+perl4caml_hv_get (value hvv, value key)
+{
+  CAMLparam2 (hvv, key);
+  HV *hv = Hv_val (hvv);
+  SV **svp = hv_fetch (hv, String_val (key), string_length (key), 0);
+  if (svp == 0) raise_not_found ();
+  CAMLreturn (Val_sv (*svp));
+}
+
+CAMLprim value
+perl4caml_hv_exists (value hvv, value key)
+{
+  CAMLparam2 (hvv, key);
+  HV *hv = Hv_val (hvv);
+  bool r = hv_exists (hv, String_val (key), string_length (key));
+  CAMLreturn (r ? Val_true : Val_false);
+}
+
+CAMLprim value
+perl4caml_hv_delete (value hvv, value key)
+{
+  CAMLparam2 (hvv, key);
+  HV *hv = Hv_val (hvv);
+  hv_delete (hv, String_val (key), string_length (key), G_DISCARD);
+  CAMLreturn (Val_unit);
+}
+
+CAMLprim value
+perl4caml_hv_clear (value hvv)
+{
+  CAMLparam1 (hvv);
+  HV *hv = Hv_val (hvv);
+  hv_clear (hv);
+  CAMLreturn (Val_unit);
+}
+
+CAMLprim value
+perl4caml_hv_undef (value hvv)
+{
+  CAMLparam1 (hvv);
+  HV *hv = Hv_val (hvv);
+  hv_undef (hv);
+  CAMLreturn (Val_unit);
+}
+
+CAMLprim value
 perl4caml_get_sv (value optcreate, value name)
 {
   CAMLparam2 (optcreate, name);
@@ -446,6 +559,20 @@ perl4caml_get_av (value optcreate, value name)
   CAMLreturn (Val_av (av));
 }
 
+CAMLprim value
+perl4caml_get_hv (value optcreate, value name)
+{
+  CAMLparam2 (optcreate, name);
+  CAMLlocal1 (create);
+  HV *hv;
+
+  create = unoption (optcreate, Val_false);
+  hv = get_hv (String_val (name), create == Val_true ? TRUE : FALSE);
+  if (hv == NULL) raise_not_found ();
+
+  CAMLreturn (Val_hv (hv));
+}
+
 static inline void
 check_perl_failure ()
 {
@@ -624,7 +751,7 @@ perl4caml_call_void (value optsv, value optfnname, value arglist)
   else if (optfnname != Val_int (0))
     {
       fnname = unoption (optfnname, Val_false);
-      count = call_pv (String_val (fnname), G_EVAL|G_VOID);
+      count = call_pv (String_val (fnname), G_EVAL|G_VOID|G_DISCARD);
     }
   else
     {
@@ -635,7 +762,7 @@ perl4caml_call_void (value optsv, value optfnname, value arglist)
 
   SPAGAIN;
 
-  assert (count == 0); /* Pretty sure it should never be anything else. */
+  assert (count == 0);
 
   /* Restore the stack. */
   PUTBACK;
@@ -792,11 +919,11 @@ perl4caml_call_method_void (value ref, value name, value arglist)
 
   PUTBACK;
 
-  count = call_method (String_val (name), G_EVAL|G_VOID);
+  count = call_method (String_val (name), G_EVAL|G_VOID|G_DISCARD);
 
   SPAGAIN;
 
-  assert (count == 0); /* Pretty sure it should never be anything else. */
+  assert (count == 0);
 
   /* Restore the stack. */
   PUTBACK;
@@ -934,11 +1061,11 @@ perl4caml_call_class_method_void (value classname, value name, value arglist)
 
   PUTBACK;
 
-  count = call_method (String_val (name), G_EVAL|G_VOID);
+  count = call_method (String_val (name), G_EVAL|G_VOID|G_DISCARD);
 
   SPAGAIN;
 
-  assert (count == 0); /* Pretty sure it should never be anything else. */
+  assert (count == 0);
 
   /* Restore the stack. */
   PUTBACK;