/* Support for printing Java types for GDB, the GNU debugger.
- Copyright 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997-2015 Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-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
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbtypes.h"
#include "value.h"
#include "demangle.h"
+#include "gdb-demangle.h"
#include "jv-lang.h"
-#include "gdb_string.h"
+#include "typeprint.h"
+#include "c-lang.h"
+#include "cp-abi.h"
+#include "cp-support.h"
+
+/* Local functions */
+
+static void java_type_print_base (struct type * type,
+ struct ui_file *stream, int show,
+ int level,
+ const struct type_print_options *flags);
static void
-java_type_print_derivation_info (stream, type)
- GDB_FILE *stream;
- struct type *type;
+java_type_print_derivation_info (struct ui_file *stream, struct type *type)
{
- char *name;
- int i = 0;
- int n_bases = TYPE_N_BASECLASSES (type);
- int prev = 0;
+ const char *name;
+ int i;
+ int n_bases;
+ int prev;
+
+ n_bases = TYPE_N_BASECLASSES (type);
- for (i = 0; i < n_bases; i++)
+ for (i = 0, prev = 0; i < n_bases; i++)
{
- int kind = BASETYPE_VIA_VIRTUAL(type, i) ? 'I' : 'E';
+ int kind;
+
+ kind = BASETYPE_VIA_VIRTUAL (type, i) ? 'I' : 'E';
+
fputs_filtered (kind == prev ? ", "
: kind == 'I' ? " implements "
: " extends ",
stream);
prev = kind;
name = type_name_no_tag (TYPE_BASECLASS (type, i));
+
fprintf_filtered (stream, "%s", name ? name : "(null)");
}
+
if (i > 0)
- {
- fputs_filtered (" ", stream);
- }
+ fputs_filtered (" ", stream);
}
/* Print the name of the type (or the ultimate pointer target,
LEVEL is the number of spaces to indent by.
We increase it for some recursive calls. */
-void
-java_type_print_base (type, stream, show, level)
- struct type *type;
- GDB_FILE *stream;
- int show;
- int level;
+static void
+java_type_print_base (struct type *type, struct ui_file *stream, int show,
+ int level, const struct type_print_options *flags)
{
- register int i;
- register int len;
+ int i;
+ int len;
char *mangled_name;
char *demangled_name;
- QUIT;
+ QUIT;
wrap_here (" ");
+
if (type == NULL)
{
fputs_filtered ("<type unknown>", stream);
return;
}
- CHECK_TYPEDEF (type);
+ type = check_typedef (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
- java_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
+ java_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level,
+ flags);
break;
case TYPE_CODE_STRUCT:
if (TYPE_TAG_NAME (type) != NULL && TYPE_TAG_NAME (type)[0] == '[')
- { /* array type */
+ { /* array type */
char *name = java_demangle_type_signature (TYPE_TAG_NAME (type));
- fputs (name, stream);
- free (name);
+
+ fputs_filtered (name, stream);
+ xfree (name);
break;
}
+
if (show >= 0)
fprintf_filtered (stream, "class ");
+
if (TYPE_TAG_NAME (type) != NULL)
{
fputs_filtered (TYPE_TAG_NAME (type), stream);
if (show > 0)
fputs_filtered (" ", stream);
}
+
wrap_here (" ");
+
if (show < 0)
{
/* If we just printed a tag name, no need to print anything else. */
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
{
java_type_print_derivation_info (stream, type);
-
+
fprintf_filtered (stream, "{\n");
if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
{
- if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
+ if (TYPE_STUB (type))
fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
else
fprintfi_filtered (level + 4, stream, "<no data fields>\n");
{
QUIT;
/* Don't print out virtual function table. */
- if (STREQN (TYPE_FIELD_NAME (type, i), "_vptr", 5)
+ if (startswith (TYPE_FIELD_NAME (type, i), "_vptr")
&& is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
continue;
- /* Don't print the dummy field "class". */
- if (STREQN (TYPE_FIELD_NAME (type, i), "class", 5))
+ /* Don't print the dummy field "class". */
+ if (startswith (TYPE_FIELD_NAME (type, i), "class"))
continue;
print_spaces_filtered (level + 4, stream);
+
if (HAVE_CPLUS_STRUCT (type))
{
if (TYPE_FIELD_PROTECTED (type, i))
fprintf_filtered (stream, "public ");
}
- if (TYPE_FIELD_STATIC (type, i))
- {
- fprintf_filtered (stream, "static ");
- }
+ if (field_is_static (&TYPE_FIELD (type, i)))
+ fprintf_filtered (stream, "static ");
+
java_print_type (TYPE_FIELD_TYPE (type, i),
- TYPE_FIELD_NAME (type, i),
- stream, show - 1, level + 4);
+ TYPE_FIELD_NAME (type, i),
+ stream, show - 1, level + 4, flags);
+
fprintf_filtered (stream, ";\n");
}
- /* If there are both fields and methods, put a space between. */
+ /* If there are both fields and methods, put a space between. */
len = TYPE_NFN_FIELDS (type);
if (len)
- fprintf_filtered (stream, "\n");
+ fprintf_filtered (stream, "\n");
- /* Print out the methods */
+ /* Print out the methods. */
for (i = 0; i < len; i++)
{
- struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
- int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
- char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
- char *name = type_name_no_tag (type);
- int is_constructor = name && STREQ(method_name, name);
- for (j = 0; j < len2; j++)
+ struct fn_field *f;
+ int j;
+ const char *method_name;
+ const char *name;
+ int is_constructor;
+ int n_overloads;
+
+ f = TYPE_FN_FIELDLIST1 (type, i);
+ n_overloads = TYPE_FN_FIELDLIST_LENGTH (type, i);
+ method_name = TYPE_FN_FIELDLIST_NAME (type, i);
+ name = type_name_no_tag (type);
+ is_constructor = name && strcmp (method_name, name) == 0;
+
+ for (j = 0; j < n_overloads; j++)
{
- char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
- int is_full_physname_constructor =
- ((physname[0] == '_' && physname[1] == '_'
- && strchr ("0123456789Qt", physname[2]))
- || STREQN (physname, "__ct__", 6)
- || DESTRUCTOR_PREFIX_P (physname)
- || STREQN (physname, "__dt__", 6));
+ const char *real_physname;
+ char *physname, *p;
+ int is_full_physname_constructor;
+
+ real_physname = TYPE_FN_FIELD_PHYSNAME (f, j);
+
+ /* The physname will contain the return type
+ after the final closing parenthesis. Strip it off. */
+ p = strrchr (real_physname, ')');
+ gdb_assert (p != NULL);
+ ++p; /* Keep the trailing ')'. */
+ physname = (char *) alloca (p - real_physname + 1);
+ memcpy (physname, real_physname, p - real_physname);
+ physname[p - real_physname] = '\0';
+
+ is_full_physname_constructor
+ = (TYPE_FN_FIELD_CONSTRUCTOR (f, j)
+ || is_constructor_name (physname)
+ || is_destructor_name (physname));
QUIT;
+
print_spaces_filtered (level + 4, stream);
+
if (TYPE_FN_FIELD_PROTECTED (f, j))
fprintf_filtered (stream, "protected ");
else if (TYPE_FN_FIELD_PRIVATE (f, j))
fprintf_filtered (stream, "private ");
- else
+ else if (TYPE_FN_FIELD_PUBLIC (f, j))
fprintf_filtered (stream, "public ");
- if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
- fprintf_filtered (stream, "virtual ");
- else if (TYPE_FN_FIELD_STATIC_P (f, j))
+ if (TYPE_FN_FIELD_ABSTRACT (f, j))
+ fprintf_filtered (stream, "abstract ");
+ if (TYPE_FN_FIELD_STATIC (f, j))
fprintf_filtered (stream, "static ");
+ if (TYPE_FN_FIELD_FINAL (f, j))
+ fprintf_filtered (stream, "final ");
+ if (TYPE_FN_FIELD_SYNCHRONIZED (f, j))
+ fprintf_filtered (stream, "synchronized ");
+ if (TYPE_FN_FIELD_NATIVE (f, j))
+ fprintf_filtered (stream, "native ");
+
if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
{
/* Keep GDB from crashing here. */
fprintf_filtered (stream, "<undefined type> %s;\n",
- TYPE_FN_FIELD_PHYSNAME (f, j));
+ TYPE_FN_FIELD_PHYSNAME (f, j));
break;
}
else if (!is_constructor && !is_full_physname_constructor)
"", stream, -1);
fputs_filtered (" ", stream);
}
+
if (TYPE_FN_FIELD_STUB (f, j))
/* Build something we can demangle. */
mangled_name = gdb_mangle_name (type, i, j);
else
- mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);
+ mangled_name = physname;
demangled_name =
- cplus_demangle (mangled_name,
- DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA);
+ gdb_demangle (mangled_name,
+ DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA);
+
if (demangled_name == NULL)
- fprintf_filtered (stream, "<badly mangled name '%s'>",
- mangled_name);
- else
- {
- char *demangled_no_class = demangled_name;
- char *ptr = demangled_name;
- for ( ; ; )
- {
- char c = *ptr++;
- if (c == 0 || c == '(')
- break;
- if (c == '.')
- demangled_no_class = ptr;
- }
- fputs_filtered (demangled_no_class, stream);
- free (demangled_name);
- }
+ demangled_name = xstrdup (mangled_name);
+
+ {
+ char *demangled_no_class;
+ char *ptr;
+
+ ptr = demangled_no_class = demangled_name;
+
+ while (1)
+ {
+ char c;
+
+ c = *ptr++;
+
+ if (c == 0 || c == '(')
+ break;
+ if (c == '.')
+ demangled_no_class = ptr;
+ }
+
+ fputs_filtered (demangled_no_class, stream);
+ xfree (demangled_name);
+ }
if (TYPE_FN_FIELD_STUB (f, j))
- free (mangled_name);
+ xfree (mangled_name);
fprintf_filtered (stream, ";\n");
}
}
break;
- default:
- c_type_print_base (type, stream, show, level);
+ default:
+ c_type_print_base (type, stream, show, level, flags);
}
}
/* LEVEL is the depth to indent lines by. */
void
-java_print_type (type, varstring, stream, show, level)
- struct type *type;
- char *varstring;
- GDB_FILE *stream;
- int show;
- int level;
+java_print_type (struct type *type, const char *varstring,
+ struct ui_file *stream, int show, int level,
+ const struct type_print_options *flags)
{
- java_type_print_base (type, stream, show, level);
+ int demangled_args;
+
+ java_type_print_base (type, stream, show, level, flags);
if (varstring != NULL && *varstring != '\0')
{
fputs_filtered (" ", stream);
fputs_filtered (varstring, stream);
}
-#if 0
+
/* For demangled function names, we have the arglist as part of the name,
- so don't print an additional pair of ()'s */
+ so don't print an additional pair of ()'s. */
- demangled_args = strchr(varstring, '(') != NULL;
- c_type_print_varspec_suffix (type, stream, show, 0, demangled_args);
-#endif
+ demangled_args = varstring != NULL && strchr (varstring, '(') != NULL;
+ c_type_print_varspec_suffix (type, stream, show, 0, demangled_args, flags);
}