merge from gcc

1 files changed, 241 insertions, 0 deletions

diff --git a/libiberty/cp-demint.c b/libiberty/cp-demint.c
new file mode 100644
index 0000000..833e89e
--- /dev/null
+++ b/libiberty/cp-demint.c
@@ -0,0 +1,241 @@
+/* Demangler component interface functions.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   Written by Ian Lance Taylor <ian@wasabisystems.com>.
+
+   This file is part of the libiberty library, which is part of GCC.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   In addition to the permissions in the GNU General Public License, the
+   Free Software Foundation gives you unlimited permission to link the
+   compiled version of this file into combinations with other programs,
+   and to distribute those combinations without any restriction coming
+   from the use of this file.  (The General Public License restrictions
+   do apply in other respects; for example, they cover modification of
+   the file, and distribution when not linked into a combined
+   executable.)
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
+*/
+
+/* This file implements a few interface functions which are provided
+   for use with struct demangle_component trees.  These functions are
+   declared in demangle.h.  These functions are closely tied to the
+   demangler code in cp-demangle.c, and other interface functions can
+   be found in that file.  We put these functions in a separate file
+   because they are not needed by the demangler, and so we avoid
+   having them pulled in by programs which only need the
+   demangler.  */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include "ansidecl.h"
+#include "libiberty.h"
+#include "demangle.h"
+#include "cp-demangle.h"
+
+/* Fill in most component types.  */
+
+int
+cplus_demangle_fill_component (p, type, left, right)
+     struct demangle_component *p;
+     enum demangle_component_type type;
+     struct demangle_component *left;
+     struct demangle_component *right;
+{
+  if (p == NULL)
+    return 0;
+  switch (type)
+    {
+    case DEMANGLE_COMPONENT_QUAL_NAME:
+    case DEMANGLE_COMPONENT_LOCAL_NAME:
+    case DEMANGLE_COMPONENT_TYPED_NAME:
+    case DEMANGLE_COMPONENT_TEMPLATE:
+    case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
+    case DEMANGLE_COMPONENT_FUNCTION_TYPE:
+    case DEMANGLE_COMPONENT_ARRAY_TYPE:
+    case DEMANGLE_COMPONENT_PTRMEM_TYPE:
+    case DEMANGLE_COMPONENT_ARGLIST:
+    case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST:
+    case DEMANGLE_COMPONENT_UNARY:
+    case DEMANGLE_COMPONENT_BINARY:
+    case DEMANGLE_COMPONENT_BINARY_ARGS:
+    case DEMANGLE_COMPONENT_TRINARY:
+    case DEMANGLE_COMPONENT_TRINARY_ARG1:
+    case DEMANGLE_COMPONENT_TRINARY_ARG2:
+    case DEMANGLE_COMPONENT_LITERAL:
+    case DEMANGLE_COMPONENT_LITERAL_NEG:
+      break;
+
+      /* These component types only have one subtree.  */
+    case DEMANGLE_COMPONENT_VTABLE:
+    case DEMANGLE_COMPONENT_VTT:
+    case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
+    case DEMANGLE_COMPONENT_TYPEINFO:
+    case DEMANGLE_COMPONENT_TYPEINFO_NAME:
+    case DEMANGLE_COMPONENT_TYPEINFO_FN:
+    case DEMANGLE_COMPONENT_THUNK:
+    case DEMANGLE_COMPONENT_VIRTUAL_THUNK:
+    case DEMANGLE_COMPONENT_COVARIANT_THUNK:
+    case DEMANGLE_COMPONENT_JAVA_CLASS:
+    case DEMANGLE_COMPONENT_GUARD:
+    case DEMANGLE_COMPONENT_REFTEMP:
+    case DEMANGLE_COMPONENT_RESTRICT:
+    case DEMANGLE_COMPONENT_VOLATILE:
+    case DEMANGLE_COMPONENT_CONST:
+    case DEMANGLE_COMPONENT_RESTRICT_THIS:
+    case DEMANGLE_COMPONENT_VOLATILE_THIS:
+    case DEMANGLE_COMPONENT_CONST_THIS:
+    case DEMANGLE_COMPONENT_POINTER:
+    case DEMANGLE_COMPONENT_REFERENCE:
+    case DEMANGLE_COMPONENT_COMPLEX:
+    case DEMANGLE_COMPONENT_IMAGINARY:
+    case DEMANGLE_COMPONENT_VENDOR_TYPE:
+    case DEMANGLE_COMPONENT_CAST:
+      if (right != NULL)
+	return 0;
+      break;
+
+    default:
+      /* Other types do not use subtrees.  */
+      return 0;
+    }
+
+  p->type = type;
+  p->u.s_binary.left = left;
+  p->u.s_binary.right = right;
+
+  return 1;
+}
+
+/* Fill in a DEMANGLE_COMPONENT_BUILTIN_TYPE.  */
+
+int
+cplus_demangle_fill_builtin_type (p, typename)
+     struct demangle_component *p;
+     const char *typename;
+{
+  int len;
+  unsigned int i;
+
+  if (p == NULL || typename == NULL)
+    return 0;
+  len = strlen (typename);
+  for (i = 0; i < D_BUILTIN_TYPE_COUNT; ++i)
+    {
+      if (len == cplus_demangle_builtin_types[i].len
+	  && strcmp (typename, cplus_demangle_builtin_types[i].name) == 0)
+	{
+	  p->type = DEMANGLE_COMPONENT_BUILTIN_TYPE;
+	  p->u.s_builtin.type = &cplus_demangle_builtin_types[i];
+	  return 1;
+	}
+    }
+  return 0;
+}
+
+/* Fill in a DEMANGLE_COMPONENT_OPERATOR.  */
+
+int
+cplus_demangle_fill_operator (p, opname, args)
+     struct demangle_component *p;
+     const char *opname;
+     int args;
+{
+  int len;
+  unsigned int i;
+
+  if (p == NULL || opname == NULL)
+    return 0;
+  len = strlen (opname);
+  for (i = 0; cplus_demangle_operators[i].name != NULL; ++i)
+    {
+      if (len == cplus_demangle_operators[i].len
+	  && args == cplus_demangle_operators[i].args
+	  && strcmp (opname, cplus_demangle_operators[i].name) == 0)
+	{
+	  p->type = DEMANGLE_COMPONENT_OPERATOR;
+	  p->u.s_operator.op = &cplus_demangle_operators[i];
+	  return 1;
+	}
+    }
+  return 0;
+}
+
+/* Translate a mangled name into components.  */
+
+struct demangle_component *
+cplus_demangle_v3_components (mangled, options, mem)
+     const char *mangled;
+     int options;
+     void **mem;
+{
+  size_t len;
+  int type;
+  struct d_info di;
+  struct demangle_component *dc;
+
+  len = strlen (mangled);
+
+  if (mangled[0] == '_' && mangled[1] == 'Z')
+    type = 0;
+  else
+    {
+      if ((options & DMGL_TYPES) == 0)
+	return NULL;
+      type = 1;
+    }
+
+  cplus_demangle_init_info (mangled, options, len, &di);
+
+  di.comps = ((struct demangle_component *)
+	      malloc (di.num_comps * sizeof (struct demangle_component)));
+  di.subs = ((struct demangle_component **)
+	     malloc (di.num_subs * sizeof (struct demangle_component *)));
+  if (di.comps == NULL || di.subs == NULL)
+    {
+      if (di.comps != NULL)
+	free (di.comps);
+      if (di.subs != NULL)
+	free (di.subs);
+      return NULL;
+    }
+
+  if (! type)
+    dc = cplus_demangle_mangled_name (&di, 1);
+  else
+    dc = cplus_demangle_type (&di);
+
+  /* If DMGL_PARAMS is set, then if we didn't consume the entire
+     mangled string, then we didn't successfully demangle it.  */
+  if ((options & DMGL_PARAMS) != 0 && d_peek_char (&di) != '\0')
+    dc = NULL;
+
+  free (di.subs);
+
+  if (dc != NULL)
+    *mem = di.comps;
+  else
+    free (di.comps);
+
+  return dc;
+}