X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Ftr%2Fmangle.c;h=8873c79b580b986331d212776ec1d4c9088468c8;hb=75c56501fa4428e3460a36c77585b96027bcd167;hp=b13f303fb3676ffd7cf65eaa3360f2a3b5b583b6;hpb=a63062db7f43c0d0bec2779e62fa9493cd74d3af;p=libfirm

diff --git a/ir/tr/mangle.c b/ir/tr/mangle.c
index b13f303fb..8873c79b5 100644
--- a/ir/tr/mangle.c
+++ b/ir/tr/mangle.c
@@ -1,26 +1,41 @@
-/* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Martin Trapp, Christian Schaefer
-**
-*/
-
+/*
+ * Project:     libFIRM
+ * File name:   ir/tr/mangle.c
+ * Purpose:     Methods to manipulate names.
+ * Author:      Martin Trapp, Christian Schaefer
+ * Modified by: Goetz Lindenmaier
+ * Created:
+ * CVS-ID:      $Id$
+ * Copyright:   (c) 1998-2003 Universität Karlsruhe
+ * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ */
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+# include "config.h"
+#endif
+
+#ifdef HAVE_STDIO_H
+# include <stdio.h>
 #endif
 
-# include "mangle.h"
-# include <obstack.h>
-# include "obst.h"
-# include "entity.h"
-# include <stdlib.h>
-# include "ident_t.h"
+#include "mangle.h"
+#include "obst.h"
 
 /* Make types visible to allow most efficient access */
-# include "entity_t.h"
+#include "entity_t.h"
+#include "type_t.h"
+#include "tpop_t.h"
 
+/** a obstack used for temporary space */
 static struct obstack mangle_obst;
 
+/** returned a mangled type name, currently no mangling */
+static INLINE ident *
+mangle_type (ir_type *tp)
+{
+  assert (tp->kind == k_type);
+  return tp->name;
+}
+
 ident *
 mangle_entity (entity *ent)
 {
@@ -29,35 +44,103 @@ mangle_entity (entity *ent)
   int len;
   ident *res;
 
-  type_id = mangle_type ((type *) ent->owner);
-  xoprintf (&mangle_obst, "%I_%I", type_id, ent->name);
+  type_id = mangle_type(ent->owner);
+  obstack_grow(&mangle_obst, get_id_str(type_id), get_id_strlen(type_id));
+  obstack_1grow(&mangle_obst,'_');
+  obstack_grow(&mangle_obst,get_id_str(ent->name),get_id_strlen(ent->name));
   len = obstack_object_size (&mangle_obst);
   cp = obstack_finish (&mangle_obst);
-  res = id_from_str (cp, len);
+  res = new_id_from_chars(cp, len);
   obstack_free (&mangle_obst, cp);
   return res;
 }
 
-ident *
-mangle_type (type *type)
-{
+
+/* Returns a new ident that represents 'firstscnd'. */
+ident *mangle (ident *first, ident *scnd) {
+  char *cp;
+  int len;
+  ident *res;
+
+  obstack_grow(&mangle_obst, get_id_str(first), get_id_strlen(first));
+  obstack_grow(&mangle_obst, get_id_str(scnd), get_id_strlen(scnd));
+  len = obstack_object_size (&mangle_obst);
+  cp = obstack_finish (&mangle_obst);
+  res = new_id_from_chars (cp, len);
+  obstack_free (&mangle_obst, cp);
+  return res;
+}
+
+/** Returns a new ident that represents 'prefixscndsuffix'. */
+static ident *mangle3(const char *prefix, ident *scnd, const char *suffix) {
   char *cp;
   int len;
   ident *res;
 
-  assert (type->kind == k_type_class);
+  obstack_grow(&mangle_obst, prefix, strlen(prefix));
+  obstack_grow(&mangle_obst, get_id_str(scnd), get_id_strlen(scnd));
+  obstack_grow(&mangle_obst, suffix, strlen(suffix));
+  len = obstack_object_size (&mangle_obst);
+  cp  = obstack_finish (&mangle_obst);
+  res = new_id_from_chars (cp, len);
+  obstack_free (&mangle_obst, cp);
+  return res;
+}
+
+/** Returns a new ident that represents first<c>scnd. */
+static ident *mangle_3(ident *first, char c, ident* scnd) {
+  char *cp;
+  int len;
+  ident *res;
 
-  xoprintf (&mangle_obst, "%I", type->clss.name);
+  obstack_grow(&mangle_obst, get_id_str(first), get_id_strlen(first));
+  obstack_1grow(&mangle_obst, c);
+  obstack_grow(&mangle_obst,get_id_str(scnd),get_id_strlen(scnd));
   len = obstack_object_size (&mangle_obst);
   cp = obstack_finish (&mangle_obst);
-  res = id_from_str (cp, len);
+  res = new_id_from_chars (cp, len);
   obstack_free (&mangle_obst, cp);
   return res;
 }
 
+/* Returns a new ident that represents first_scnd. */
+ident *mangle_u (ident *first, ident* scnd) {
+  return mangle_3(first, '_', scnd);
+}
+
+/* Returns a new ident that represents first.scnd. */
+ident *mangle_dot (ident *first, ident* scnd) {
+  return mangle_3(first, '.', scnd);
+}
+
+/* returns a mangled name for a Win32 function using it's calling convention */
+ident *decorate_win32_c_fkt(entity *ent) {
+  ir_type *tp      = get_entity_type(ent);
+  unsigned cc_mask = get_method_calling_convention(tp);
+  char buf[16];
+  int size, i;
+
+  if (IS_CDECL(cc_mask))
+    return mangle3("_", get_entity_ident(ent), "");
+  else if (IS_STDCALL(cc_mask)) {
+
+    size = 0;
+    for (i = get_method_n_params(tp) - 1; i >= 0; --i) {
+      size += get_type_size_bytes(get_method_param_type(tp, i));
+    }
+
+    snprintf(buf, sizeof(buf), "@%d", size);
+
+    if (cc_mask & cc_reg_param)
+      return mangle3("@", get_entity_ident(ent), buf);
+    else
+      return mangle3("_", get_entity_ident(ent), buf);
+  }
+  return get_entity_ident(ent);
+}
 
 void
-init_mangle (void)
+firm_init_mangle (void)
 {
-  obstack_init (&mangle_obst);
+  obstack_init(&mangle_obst);
 }