/* Demangler for g++ V3 ABI.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007 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.
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.
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* This code implements a demangler for the g++ V3 ABI. The ABI is
This file will normally define the following functions, q.v.:
char *cplus_demangle_v3(const char *mangled, int options)
char *java_demangle_v3(const char *mangled)
+ int cplus_demangle_v3_callback(const char *mangled, int options,
+ demangle_callbackref callback)
+ int java_demangle_v3_callback(const char *mangled,
+ demangle_callbackref callback)
enum gnu_v3_ctor_kinds is_gnu_v3_mangled_ctor (const char *name)
enum gnu_v3_dtor_kinds is_gnu_v3_mangled_dtor (const char *name)
defined in demangle.h:
enum demangle_component_type
struct demangle_component
+ demangle_callbackref
and these functions defined in this file:
cplus_demangle_fill_name
cplus_demangle_fill_extended_operator
cplus_demangle_fill_ctor
cplus_demangle_fill_dtor
cplus_demangle_print
+ cplus_demangle_print_callback
and other functions defined in the file cp-demint.c.
This file also defines some other functions and variables which are
Preprocessor macros you can define while compiling this file:
IN_LIBGCC2
- If defined, this file defines the following function, q.v.:
+ If defined, this file defines the following functions, q.v.:
char *__cxa_demangle (const char *mangled, char *buf, size_t *len,
int *status)
- instead of cplus_demangle_v3() and java_demangle_v3().
+ int __gcclibcxx_demangle_callback (const char *,
+ void (*)
+ (const char *, size_t, void *),
+ void *)
+ instead of cplus_demangle_v3[_callback]() and
+ java_demangle_v3[_callback]().
IN_GLIBCPP_V3
- If defined, this file defines only __cxa_demangle(), and no other
- publically visible functions or variables.
+ If defined, this file defines only __cxa_demangle() and
+ __gcclibcxx_demangle_callback(), and no other publically visible
+ functions or variables.
STANDALONE_DEMANGLER
If defined, this file defines a main() function which demangles
stdout about the mangled string. This is not generally useful.
*/
+#if defined (_AIX) && !defined (__GNUC__)
+ #pragma alloca
+#endif
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#endif
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#else
+# ifndef alloca
+# ifdef __GNUC__
+# define alloca __builtin_alloca
+# else
+extern char *alloca ();
+# endif /* __GNUC__ */
+# endif /* alloca */
+#endif /* HAVE_ALLOCA_H */
+
#include "ansidecl.h"
#include "libiberty.h"
#include "demangle.h"
#define CP_STATIC_IF_GLIBCPP_V3 static
#define cplus_demangle_fill_name d_fill_name
-static int
-d_fill_name PARAMS ((struct demangle_component *, const char *, int));
+static int d_fill_name (struct demangle_component *, const char *, int);
#define cplus_demangle_fill_extended_operator d_fill_extended_operator
static int
-d_fill_extended_operator PARAMS ((struct demangle_component *, int,
- struct demangle_component *));
+d_fill_extended_operator (struct demangle_component *, int,
+ struct demangle_component *);
#define cplus_demangle_fill_ctor d_fill_ctor
static int
-d_fill_ctor PARAMS ((struct demangle_component *, enum gnu_v3_ctor_kinds,
- struct demangle_component *));
+d_fill_ctor (struct demangle_component *, enum gnu_v3_ctor_kinds,
+ struct demangle_component *);
#define cplus_demangle_fill_dtor d_fill_dtor
static int
-d_fill_dtor PARAMS ((struct demangle_component *, enum gnu_v3_dtor_kinds,
- struct demangle_component *));
+d_fill_dtor (struct demangle_component *, enum gnu_v3_dtor_kinds,
+ struct demangle_component *);
#define cplus_demangle_mangled_name d_mangled_name
-static struct demangle_component *
-d_mangled_name PARAMS ((struct d_info *, int));
+static struct demangle_component *d_mangled_name (struct d_info *, int);
#define cplus_demangle_type d_type
-static struct demangle_component *
-d_type PARAMS ((struct d_info *));
+static struct demangle_component *d_type (struct d_info *);
#define cplus_demangle_print d_print
-static char *
-d_print PARAMS ((int, const struct demangle_component *, int, size_t *));
+static char *d_print (int, const struct demangle_component *, int, size_t *);
+
+#define cplus_demangle_print_callback d_print_callback
+static int d_print_callback (int, const struct demangle_component *,
+ demangle_callbackref, void *);
#define cplus_demangle_init_info d_init_info
-static void
-d_init_info PARAMS ((const char *, int, size_t, struct d_info *));
+static void d_init_info (const char *, int, size_t, struct d_info *);
#else /* ! defined(IN_GLIBCPP_V3) */
#define CP_STATIC_IF_GLIBCPP_V3
V3 demangler code.
As of this writing this file has the following undefined references
- when compiled with -DIN_GLIBCPP_V3: malloc, realloc, free, memcpy,
- strcpy, strcat, strlen. */
+ when compiled with -DIN_GLIBCPP_V3: realloc, free, memcpy, strcpy,
+ strcat, strlen. */
#define IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
#define IS_UPPER(c) ((c) >= 'A' && (c) <= 'Z')
/* Next template on the list. */
struct d_print_template *next;
/* This template. */
- const struct demangle_component *template;
+ const struct demangle_component *template_decl;
};
/* A list of type modifiers. This is used while printing. */
struct d_print_template *templates;
};
-/* We use this structure to hold information during printing. */
+/* We use these structures to hold information during printing. */
-struct d_print_info
+struct d_growable_string
{
- /* The options passed to the demangler. */
- int options;
/* Buffer holding the result. */
char *buf;
/* Current length of data in buffer. */
size_t len;
/* Allocated size of buffer. */
size_t alc;
+ /* Set to 1 if we had a memory allocation failure. */
+ int allocation_failure;
+};
+
+enum { D_PRINT_BUFFER_LENGTH = 256 };
+struct d_print_info
+{
+ /* The options passed to the demangler. */
+ int options;
+ /* Fixed-length allocated buffer for demangled data, flushed to the
+ callback with a NUL termination once full. */
+ char buf[D_PRINT_BUFFER_LENGTH];
+ /* Current length of data in buffer. */
+ size_t len;
+ /* The last character printed, saved individually so that it survives
+ any buffer flush. */
+ char last_char;
+ /* Callback function to handle demangled buffer flush. */
+ demangle_callbackref callback;
+ /* Opaque callback argument. */
+ void *opaque;
/* The current list of templates, if any. */
struct d_print_template *templates;
/* The current list of modifiers (e.g., pointer, reference, etc.),
if any. */
struct d_print_mod *modifiers;
- /* Set to 1 if we had a memory allocation failure. */
- int allocation_failure;
+ /* Set to 1 if we saw a demangling error. */
+ int demangle_failure;
};
-#define d_print_saw_error(dpi) ((dpi)->buf == NULL)
-
-#define d_append_char(dpi, c) \
- do \
- { \
- if ((dpi)->buf != NULL && (dpi)->len < (dpi)->alc) \
- (dpi)->buf[(dpi)->len++] = (c); \
- else \
- d_print_append_char ((dpi), (c)); \
- } \
- while (0)
-
-#define d_append_buffer(dpi, s, l) \
- do \
- { \
- if ((dpi)->buf != NULL && (dpi)->len + (l) <= (dpi)->alc) \
- { \
- memcpy ((dpi)->buf + (dpi)->len, (s), (l)); \
- (dpi)->len += l; \
- } \
- else \
- d_print_append_buffer ((dpi), (s), (l)); \
- } \
- while (0)
-
-#define d_append_string_constant(dpi, s) \
- d_append_buffer (dpi, (s), sizeof (s) - 1)
-
-#define d_last_char(dpi) \
- ((dpi)->buf == NULL || (dpi)->len == 0 ? '\0' : (dpi)->buf[(dpi)->len - 1])
-
#ifdef CP_DEMANGLE_DEBUG
-static void
-d_dump PARAMS ((struct demangle_component *, int));
+static void d_dump (struct demangle_component *, int);
#endif
static struct demangle_component *
-d_make_empty PARAMS ((struct d_info *));
+d_make_empty (struct d_info *);
static struct demangle_component *
-d_make_comp PARAMS ((struct d_info *, enum demangle_component_type,
- struct demangle_component *,
- struct demangle_component *));
+d_make_comp (struct d_info *, enum demangle_component_type,
+ struct demangle_component *,
+ struct demangle_component *);
static struct demangle_component *
-d_make_name PARAMS ((struct d_info *, const char *, int));
+d_make_name (struct d_info *, const char *, int);
static struct demangle_component *
-d_make_builtin_type PARAMS ((struct d_info *,
- const struct demangle_builtin_type_info *));
+d_make_builtin_type (struct d_info *,
+ const struct demangle_builtin_type_info *);
static struct demangle_component *
-d_make_operator PARAMS ((struct d_info *,
- const struct demangle_operator_info *));
+d_make_operator (struct d_info *,
+ const struct demangle_operator_info *);
static struct demangle_component *
-d_make_extended_operator PARAMS ((struct d_info *, int,
- struct demangle_component *));
+d_make_extended_operator (struct d_info *, int,
+ struct demangle_component *);
static struct demangle_component *
-d_make_ctor PARAMS ((struct d_info *, enum gnu_v3_ctor_kinds,
- struct demangle_component *));
+d_make_ctor (struct d_info *, enum gnu_v3_ctor_kinds,
+ struct demangle_component *);
static struct demangle_component *
-d_make_dtor PARAMS ((struct d_info *, enum gnu_v3_dtor_kinds,
- struct demangle_component *));
+d_make_dtor (struct d_info *, enum gnu_v3_dtor_kinds,
+ struct demangle_component *);
static struct demangle_component *
-d_make_template_param PARAMS ((struct d_info *, long));
+d_make_template_param (struct d_info *, long);
static struct demangle_component *
-d_make_sub PARAMS ((struct d_info *, const char *, int));
+d_make_sub (struct d_info *, const char *, int);
static int
-has_return_type PARAMS ((struct demangle_component *));
+has_return_type (struct demangle_component *);
static int
-is_ctor_dtor_or_conversion PARAMS ((struct demangle_component *));
+is_ctor_dtor_or_conversion (struct demangle_component *);
-static struct demangle_component *
-d_encoding PARAMS ((struct d_info *, int));
+static struct demangle_component *d_encoding (struct d_info *, int);
-static struct demangle_component *
-d_name PARAMS ((struct d_info *));
+static struct demangle_component *d_name (struct d_info *);
-static struct demangle_component *
-d_nested_name PARAMS ((struct d_info *));
+static struct demangle_component *d_nested_name (struct d_info *);
-static struct demangle_component *
-d_prefix PARAMS ((struct d_info *));
+static struct demangle_component *d_prefix (struct d_info *);
-static struct demangle_component *
-d_unqualified_name PARAMS ((struct d_info *));
+static struct demangle_component *d_unqualified_name (struct d_info *);
-static struct demangle_component *
-d_source_name PARAMS ((struct d_info *));
+static struct demangle_component *d_source_name (struct d_info *);
-static long
-d_number PARAMS ((struct d_info *));
+static long d_number (struct d_info *);
-static struct demangle_component *
-d_identifier PARAMS ((struct d_info *, int));
+static struct demangle_component *d_identifier (struct d_info *, int);
-static struct demangle_component *
-d_operator_name PARAMS ((struct d_info *));
+static struct demangle_component *d_operator_name (struct d_info *);
-static struct demangle_component *
-d_special_name PARAMS ((struct d_info *));
+static struct demangle_component *d_special_name (struct d_info *);
-static int
-d_call_offset PARAMS ((struct d_info *, int));
+static int d_call_offset (struct d_info *, int);
-static struct demangle_component *
-d_ctor_dtor_name PARAMS ((struct d_info *));
+static struct demangle_component *d_ctor_dtor_name (struct d_info *);
static struct demangle_component **
-d_cv_qualifiers PARAMS ((struct d_info *, struct demangle_component **, int));
+d_cv_qualifiers (struct d_info *, struct demangle_component **, int);
static struct demangle_component *
-d_function_type PARAMS ((struct d_info *));
+d_function_type (struct d_info *);
static struct demangle_component *
-d_bare_function_type PARAMS ((struct d_info *, int));
+d_bare_function_type (struct d_info *, int);
static struct demangle_component *
-d_class_enum_type PARAMS ((struct d_info *));
+d_class_enum_type (struct d_info *);
-static struct demangle_component *
-d_array_type PARAMS ((struct d_info *));
+static struct demangle_component *d_array_type (struct d_info *);
static struct demangle_component *
-d_pointer_to_member_type PARAMS ((struct d_info *));
+d_pointer_to_member_type (struct d_info *);
static struct demangle_component *
-d_template_param PARAMS ((struct d_info *));
+d_template_param (struct d_info *);
-static struct demangle_component *
-d_template_args PARAMS ((struct d_info *));
+static struct demangle_component *d_template_args (struct d_info *);
static struct demangle_component *
-d_template_arg PARAMS ((struct d_info *));
+d_template_arg (struct d_info *);
-static struct demangle_component *
-d_expression PARAMS ((struct d_info *));
+static struct demangle_component *d_expression (struct d_info *);
-static struct demangle_component *
-d_expr_primary PARAMS ((struct d_info *));
+static struct demangle_component *d_expr_primary (struct d_info *);
-static struct demangle_component *
-d_local_name PARAMS ((struct d_info *));
+static struct demangle_component *d_local_name (struct d_info *);
-static int
-d_discriminator PARAMS ((struct d_info *));
+static int d_discriminator (struct d_info *);
static int
-d_add_substitution PARAMS ((struct d_info *, struct demangle_component *));
+d_add_substitution (struct d_info *, struct demangle_component *);
-static struct demangle_component *
-d_substitution PARAMS ((struct d_info *, int));
+static struct demangle_component *d_substitution (struct d_info *, int);
-static void
-d_print_resize PARAMS ((struct d_print_info *, size_t));
+static void d_growable_string_init (struct d_growable_string *, size_t);
-static void
-d_print_append_char PARAMS ((struct d_print_info *, int));
+static inline void
+d_growable_string_resize (struct d_growable_string *, size_t);
+static inline void
+d_growable_string_append_buffer (struct d_growable_string *,
+ const char *, size_t);
static void
-d_print_append_buffer PARAMS ((struct d_print_info *, const char *, size_t));
+d_growable_string_callback_adapter (const char *, size_t, void *);
static void
-d_print_error PARAMS ((struct d_print_info *));
+d_print_init (struct d_print_info *, int, demangle_callbackref, void *);
+
+static inline void d_print_error (struct d_print_info *);
+
+static inline int d_print_saw_error (struct d_print_info *);
+
+static inline void d_print_flush (struct d_print_info *);
+
+static inline void d_append_char (struct d_print_info *, char);
+
+static inline void d_append_buffer (struct d_print_info *,
+ const char *, size_t);
+
+static inline void d_append_string (struct d_print_info *, const char *);
+
+static inline char d_last_char (struct d_print_info *);
static void
-d_print_comp PARAMS ((struct d_print_info *,
- const struct demangle_component *));
+d_print_comp (struct d_print_info *, const struct demangle_component *);
static void
-d_print_java_identifier PARAMS ((struct d_print_info *, const char *, int));
+d_print_java_identifier (struct d_print_info *, const char *, int);
static void
-d_print_mod_list PARAMS ((struct d_print_info *, struct d_print_mod *, int));
+d_print_mod_list (struct d_print_info *, struct d_print_mod *, int);
static void
-d_print_mod PARAMS ((struct d_print_info *,
- const struct demangle_component *));
+d_print_mod (struct d_print_info *, const struct demangle_component *);
static void
-d_print_function_type PARAMS ((struct d_print_info *,
- const struct demangle_component *,
- struct d_print_mod *));
+d_print_function_type (struct d_print_info *,
+ const struct demangle_component *,
+ struct d_print_mod *);
static void
-d_print_array_type PARAMS ((struct d_print_info *,
- const struct demangle_component *,
- struct d_print_mod *));
+d_print_array_type (struct d_print_info *,
+ const struct demangle_component *,
+ struct d_print_mod *);
static void
-d_print_expr_op PARAMS ((struct d_print_info *,
- const struct demangle_component *));
+d_print_expr_op (struct d_print_info *, const struct demangle_component *);
static void
-d_print_cast PARAMS ((struct d_print_info *,
- const struct demangle_component *));
+d_print_cast (struct d_print_info *, const struct demangle_component *);
-static char *
-d_demangle PARAMS ((const char *, int, size_t *));
+static int d_demangle_callback (const char *, int,
+ demangle_callbackref, void *);
+static char *d_demangle (const char *, int, size_t *);
#ifdef CP_DEMANGLE_DEBUG
static void
-d_dump (dc, indent)
- struct demangle_component *dc;
- int indent;
+d_dump (struct demangle_component *dc, int indent)
{
int i;
if (dc == NULL)
- return;
+ {
+ if (indent == 0)
+ printf ("failed demangling\n");
+ return;
+ }
for (i = 0; i < indent; ++i)
putchar (' ');
case DEMANGLE_COMPONENT_REFTEMP:
printf ("reference temporary\n");
break;
+ case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
+ printf ("hidden alias\n");
+ break;
case DEMANGLE_COMPONENT_RESTRICT:
printf ("restrict\n");
break;
CP_STATIC_IF_GLIBCPP_V3
int
-cplus_demangle_fill_name (p, s, len)
- struct demangle_component *p;
- const char *s;
- int len;
+cplus_demangle_fill_name (struct demangle_component *p, const char *s, int len)
{
if (p == NULL || s == NULL || len == 0)
return 0;
CP_STATIC_IF_GLIBCPP_V3
int
-cplus_demangle_fill_extended_operator (p, args, name)
- struct demangle_component *p;
- int args;
- struct demangle_component *name;
+cplus_demangle_fill_extended_operator (struct demangle_component *p, int args,
+ struct demangle_component *name)
{
if (p == NULL || args < 0 || name == NULL)
return 0;
CP_STATIC_IF_GLIBCPP_V3
int
-cplus_demangle_fill_ctor (p, kind, name)
- struct demangle_component *p;
- enum gnu_v3_ctor_kinds kind;
- struct demangle_component *name;
+cplus_demangle_fill_ctor (struct demangle_component *p,
+ enum gnu_v3_ctor_kinds kind,
+ struct demangle_component *name)
{
if (p == NULL
|| name == NULL
CP_STATIC_IF_GLIBCPP_V3
int
-cplus_demangle_fill_dtor (p, kind, name)
- struct demangle_component *p;
- enum gnu_v3_dtor_kinds kind;
- struct demangle_component *name;
+cplus_demangle_fill_dtor (struct demangle_component *p,
+ enum gnu_v3_dtor_kinds kind,
+ struct demangle_component *name)
{
if (p == NULL
|| name == NULL
/* Add a new component. */
static struct demangle_component *
-d_make_empty (di)
- struct d_info *di;
+d_make_empty (struct d_info *di)
{
struct demangle_component *p;
/* Add a new generic component. */
static struct demangle_component *
-d_make_comp (di, type, left, right)
- struct d_info *di;
- enum demangle_component_type type;
- struct demangle_component *left;
- struct demangle_component *right;
+d_make_comp (struct d_info *di, enum demangle_component_type type,
+ struct demangle_component *left,
+ struct demangle_component *right)
{
struct demangle_component *p;
case DEMANGLE_COMPONENT_LOCAL_NAME:
case DEMANGLE_COMPONENT_TYPED_NAME:
case DEMANGLE_COMPONENT_TEMPLATE:
+ case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
case DEMANGLE_COMPONENT_PTRMEM_TYPE:
case DEMANGLE_COMPONENT_UNARY:
/* These types only require one parameter. */
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_JAVA_CLASS:
case DEMANGLE_COMPONENT_GUARD:
case DEMANGLE_COMPONENT_REFTEMP:
+ case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
case DEMANGLE_COMPONENT_POINTER:
case DEMANGLE_COMPONENT_REFERENCE:
case DEMANGLE_COMPONENT_COMPLEX:
/* Add a new name component. */
static struct demangle_component *
-d_make_name (di, s, len)
- struct d_info *di;
- const char *s;
- int len;
+d_make_name (struct d_info *di, const char *s, int len)
{
struct demangle_component *p;
/* Add a new builtin type component. */
static struct demangle_component *
-d_make_builtin_type (di, type)
- struct d_info *di;
- const struct demangle_builtin_type_info *type;
+d_make_builtin_type (struct d_info *di,
+ const struct demangle_builtin_type_info *type)
{
struct demangle_component *p;
/* Add a new operator component. */
static struct demangle_component *
-d_make_operator (di, op)
- struct d_info *di;
- const struct demangle_operator_info *op;
+d_make_operator (struct d_info *di, const struct demangle_operator_info *op)
{
struct demangle_component *p;
/* Add a new extended operator component. */
static struct demangle_component *
-d_make_extended_operator (di, args, name)
- struct d_info *di;
- int args;
- struct demangle_component *name;
+d_make_extended_operator (struct d_info *di, int args,
+ struct demangle_component *name)
{
struct demangle_component *p;
/* Add a new constructor component. */
static struct demangle_component *
-d_make_ctor (di, kind, name)
- struct d_info *di;
- enum gnu_v3_ctor_kinds kind;
- struct demangle_component *name;
+d_make_ctor (struct d_info *di, enum gnu_v3_ctor_kinds kind,
+ struct demangle_component *name)
{
struct demangle_component *p;
/* Add a new destructor component. */
static struct demangle_component *
-d_make_dtor (di, kind, name)
- struct d_info *di;
- enum gnu_v3_dtor_kinds kind;
- struct demangle_component *name;
+d_make_dtor (struct d_info *di, enum gnu_v3_dtor_kinds kind,
+ struct demangle_component *name)
{
struct demangle_component *p;
/* Add a new template parameter. */
static struct demangle_component *
-d_make_template_param (di, i)
- struct d_info *di;
- long i;
+d_make_template_param (struct d_info *di, long i)
{
struct demangle_component *p;
/* Add a new standard substitution component. */
static struct demangle_component *
-d_make_sub (di, name, len)
- struct d_info *di;
- const char *name;
- int len;
+d_make_sub (struct d_info *di, const char *name, int len)
{
struct demangle_component *p;
CP_STATIC_IF_GLIBCPP_V3
struct demangle_component *
-cplus_demangle_mangled_name (di, top_level)
- struct d_info *di;
- int top_level;
+cplus_demangle_mangled_name (struct d_info *di, int top_level)
{
- if (d_next_char (di) != '_')
+ if (! d_check_char (di, '_'))
return NULL;
- if (d_next_char (di) != 'Z')
+ if (! d_check_char (di, 'Z'))
return NULL;
return d_encoding (di, top_level);
}
return types. */
static int
-has_return_type (dc)
- struct demangle_component *dc;
+has_return_type (struct demangle_component *dc)
{
if (dc == NULL)
return 0;
conversion operator. */
static int
-is_ctor_dtor_or_conversion (dc)
- struct demangle_component *dc;
+is_ctor_dtor_or_conversion (struct demangle_component *dc)
{
if (dc == NULL)
return 0;
we would not correctly demangle names in local scopes. */
static struct demangle_component *
-d_encoding (di, top_level)
- struct d_info *di;
- int top_level;
+d_encoding (struct d_info *di, int top_level)
{
char peek = d_peek_char (di);
}
peek = d_peek_char (di);
- if (peek == '\0' || peek == 'E')
+ if (dc == NULL || peek == '\0' || peek == 'E')
return dc;
return d_make_comp (di, DEMANGLE_COMPONENT_TYPED_NAME, dc,
d_bare_function_type (di, has_return_type (dc)));
*/
static struct demangle_component *
-d_name (di)
- struct d_info *di;
+d_name (struct d_info *di)
{
char peek = d_peek_char (di);
struct demangle_component *dc;
case 'Z':
return d_local_name (di);
+ case 'L':
+ return d_unqualified_name (di);
+
case 'S':
{
int subst;
*/
static struct demangle_component *
-d_nested_name (di)
- struct d_info *di;
+d_nested_name (struct d_info *di)
{
struct demangle_component *ret;
struct demangle_component **pret;
- if (d_next_char (di) != 'N')
+ if (! d_check_char (di, 'N'))
return NULL;
pret = d_cv_qualifiers (di, &ret, 1);
if (*pret == NULL)
return NULL;
- if (d_next_char (di) != 'E')
+ if (! d_check_char (di, 'E'))
return NULL;
return ret;
*/
static struct demangle_component *
-d_prefix (di)
- struct d_info *di;
+d_prefix (struct d_info *di)
{
struct demangle_component *ret = NULL;
if (IS_DIGIT (peek)
|| IS_LOWER (peek)
|| peek == 'C'
- || peek == 'D')
+ || peek == 'D'
+ || peek == 'L')
dc = d_unqualified_name (di);
else if (peek == 'S')
dc = d_substitution (di, 1);
/* <unqualified-name> ::= <operator-name>
::= <ctor-dtor-name>
::= <source-name>
+ ::= <local-source-name>
+
+ <local-source-name> ::= L <source-name> <discriminator>
*/
static struct demangle_component *
-d_unqualified_name (di)
- struct d_info *di;
+d_unqualified_name (struct d_info *di)
{
char peek;
}
else if (peek == 'C' || peek == 'D')
return d_ctor_dtor_name (di);
+ else if (peek == 'L')
+ {
+ struct demangle_component * ret;
+
+ d_advance (di, 1);
+
+ ret = d_source_name (di);
+ if (ret == NULL)
+ return NULL;
+ if (! d_discriminator (di))
+ return NULL;
+ return ret;
+ }
else
return NULL;
}
/* <source-name> ::= <(positive length) number> <identifier> */
static struct demangle_component *
-d_source_name (di)
- struct d_info *di;
+d_source_name (struct d_info *di)
{
long len;
struct demangle_component *ret;
/* number ::= [n] <(non-negative decimal integer)> */
static long
-d_number (di)
- struct d_info *di;
+d_number (struct d_info *di)
{
int negative;
char peek;
/* identifier ::= <(unqualified source code identifier)> */
static struct demangle_component *
-d_identifier (di, len)
- struct d_info *di;
- int len;
+d_identifier (struct d_info *di, int len)
{
const char *name;
};
static struct demangle_component *
-d_operator_name (di)
- struct d_info *di;
+d_operator_name (struct d_info *di)
{
char c1;
char c2;
::= TF <type>
::= TJ <type>
::= GR <name>
+ ::= GA <encoding>
*/
static struct demangle_component *
-d_special_name (di)
- struct d_info *di;
+d_special_name (struct d_info *di)
{
- char c;
-
di->expansion += 20;
- c = d_next_char (di);
- if (c == 'T')
+ if (d_check_char (di, 'T'))
{
switch (d_next_char (di))
{
offset = d_number (di);
if (offset < 0)
return NULL;
- if (d_next_char (di) != '_')
+ if (! d_check_char (di, '_'))
return NULL;
base_type = cplus_demangle_type (di);
/* We don't display the offset. FIXME: We should display
return NULL;
}
}
- else if (c == 'G')
+ else if (d_check_char (di, 'G'))
{
switch (d_next_char (di))
{
return d_make_comp (di, DEMANGLE_COMPONENT_REFTEMP, d_name (di),
NULL);
+ case 'A':
+ return d_make_comp (di, DEMANGLE_COMPONENT_HIDDEN_ALIAS,
+ d_encoding (di, 0), NULL);
+
default:
return NULL;
}
display it in verbose mode. */
static int
-d_call_offset (di, c)
- struct d_info *di;
- int c;
+d_call_offset (struct d_info *di, int c)
{
- long offset;
- long virtual_offset;
-
if (c == '\0')
c = d_next_char (di);
if (c == 'h')
- offset = d_number (di);
+ d_number (di);
else if (c == 'v')
{
- offset = d_number (di);
- if (d_next_char (di) != '_')
+ d_number (di);
+ if (! d_check_char (di, '_'))
return 0;
- virtual_offset = d_number (di);
+ d_number (di);
}
else
return 0;
- if (d_next_char (di) != '_')
+ if (! d_check_char (di, '_'))
return 0;
return 1;
*/
static struct demangle_component *
-d_ctor_dtor_name (di)
- struct d_info *di;
+d_ctor_dtor_name (struct d_info *di)
{
if (di->last_name != NULL)
{
else if (di->last_name->type == DEMANGLE_COMPONENT_SUB_STD)
di->expansion += di->last_name->u.s_string.len;
}
- switch (d_next_char (di))
+ switch (d_peek_char (di))
{
case 'C':
{
enum gnu_v3_ctor_kinds kind;
- switch (d_next_char (di))
+ switch (d_peek_next_char (di))
{
case '1':
kind = gnu_v3_complete_object_ctor;
default:
return NULL;
}
+ d_advance (di, 2);
return d_make_ctor (di, kind, di->last_name);
}
{
enum gnu_v3_dtor_kinds kind;
- switch (d_next_char (di))
+ switch (d_peek_next_char (di))
{
case '0':
kind = gnu_v3_deleting_dtor;
default:
return NULL;
}
+ d_advance (di, 2);
return d_make_dtor (di, kind, di->last_name);
}
const struct demangle_builtin_type_info
cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT] =
{
- /* a */ { NL ("signed char"), NL ("signed char"), D_PRINT_INT },
+ /* a */ { NL ("signed char"), NL ("signed char"), D_PRINT_DEFAULT },
/* b */ { NL ("bool"), NL ("boolean"), D_PRINT_BOOL },
- /* c */ { NL ("char"), NL ("byte"), D_PRINT_INT },
- /* d */ { NL ("double"), NL ("double"), D_PRINT_DEFAULT },
- /* e */ { NL ("long double"), NL ("long double"), D_PRINT_DEFAULT },
- /* f */ { NL ("float"), NL ("float"), D_PRINT_DEFAULT },
- /* g */ { NL ("__float128"), NL ("__float128"), D_PRINT_DEFAULT },
- /* h */ { NL ("unsigned char"), NL ("unsigned char"), D_PRINT_INT },
+ /* c */ { NL ("char"), NL ("byte"), D_PRINT_DEFAULT },
+ /* d */ { NL ("double"), NL ("double"), D_PRINT_FLOAT },
+ /* e */ { NL ("long double"), NL ("long double"), D_PRINT_FLOAT },
+ /* f */ { NL ("float"), NL ("float"), D_PRINT_FLOAT },
+ /* g */ { NL ("__float128"), NL ("__float128"), D_PRINT_FLOAT },
+ /* h */ { NL ("unsigned char"), NL ("unsigned char"), D_PRINT_DEFAULT },
/* i */ { NL ("int"), NL ("int"), D_PRINT_INT },
- /* j */ { NL ("unsigned int"), NL ("unsigned"), D_PRINT_INT },
+ /* j */ { NL ("unsigned int"), NL ("unsigned"), D_PRINT_UNSIGNED },
/* k */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
/* l */ { NL ("long"), NL ("long"), D_PRINT_LONG },
- /* m */ { NL ("unsigned long"), NL ("unsigned long"), D_PRINT_LONG },
+ /* m */ { NL ("unsigned long"), NL ("unsigned long"), D_PRINT_UNSIGNED_LONG },
/* n */ { NL ("__int128"), NL ("__int128"), D_PRINT_DEFAULT },
- /* o */ { NL ("unsigned __int128"), NL ("unsigned __int128"), D_PRINT_DEFAULT },
+ /* o */ { NL ("unsigned __int128"), NL ("unsigned __int128"),
+ D_PRINT_DEFAULT },
/* p */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
/* q */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
/* r */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
- /* s */ { NL ("short"), NL ("short"), D_PRINT_INT },
- /* t */ { NL ("unsigned short"), NL ("unsigned short"), D_PRINT_INT },
+ /* s */ { NL ("short"), NL ("short"), D_PRINT_DEFAULT },
+ /* t */ { NL ("unsigned short"), NL ("unsigned short"), D_PRINT_DEFAULT },
/* u */ { NULL, 0, NULL, 0, D_PRINT_DEFAULT },
/* v */ { NL ("void"), NL ("void"), D_PRINT_VOID },
- /* w */ { NL ("wchar_t"), NL ("char"), D_PRINT_INT },
- /* x */ { NL ("long long"), NL ("long"), D_PRINT_DEFAULT },
- /* y */ { NL ("unsigned long long"), NL ("unsigned long long"), D_PRINT_DEFAULT },
+ /* w */ { NL ("wchar_t"), NL ("char"), D_PRINT_DEFAULT },
+ /* x */ { NL ("long long"), NL ("long"), D_PRINT_LONG_LONG },
+ /* y */ { NL ("unsigned long long"), NL ("unsigned long long"),
+ D_PRINT_UNSIGNED_LONG_LONG },
/* z */ { NL ("..."), NL ("..."), D_PRINT_DEFAULT },
};
CP_STATIC_IF_GLIBCPP_V3
struct demangle_component *
-cplus_demangle_type (di)
- struct d_info *di;
+cplus_demangle_type (struct d_info *di)
{
char peek;
struct demangle_component *ret;
if (pret == NULL)
return NULL;
*pret = cplus_demangle_type (di);
- if (! d_add_substitution (di, ret))
+ if (! *pret || ! d_add_substitution (di, ret))
return NULL;
return ret;
}
/* <CV-qualifiers> ::= [r] [V] [K] */
static struct demangle_component **
-d_cv_qualifiers (di, pret, member_fn)
- struct d_info *di;
- struct demangle_component **pret;
- int member_fn;
+d_cv_qualifiers (struct d_info *di,
+ struct demangle_component **pret, int member_fn)
{
char peek;
/* <function-type> ::= F [Y] <bare-function-type> E */
static struct demangle_component *
-d_function_type (di)
- struct d_info *di;
+d_function_type (struct d_info *di)
{
struct demangle_component *ret;
- if (d_next_char (di) != 'F')
+ if (! d_check_char (di, 'F'))
return NULL;
if (d_peek_char (di) == 'Y')
{
d_advance (di, 1);
}
ret = d_bare_function_type (di, 1);
- if (d_next_char (di) != 'E')
+ if (! d_check_char (di, 'E'))
return NULL;
return ret;
}
-/* <bare-function-type> ::= <type>+ */
+/* <bare-function-type> ::= [J]<type>+ */
static struct demangle_component *
-d_bare_function_type (di, has_return_type)
- struct d_info *di;
- int has_return_type;
+d_bare_function_type (struct d_info *di, int has_return_type)
{
struct demangle_component *return_type;
struct demangle_component *tl;
struct demangle_component **ptl;
+ char peek;
+
+ /* Detect special qualifier indicating that the first argument
+ is the return type. */
+ peek = d_peek_char (di);
+ if (peek == 'J')
+ {
+ d_advance (di, 1);
+ has_return_type = 1;
+ }
return_type = NULL;
tl = NULL;
ptl = &tl;
while (1)
{
- char peek;
struct demangle_component *type;
peek = d_peek_char (di);
/* <class-enum-type> ::= <name> */
static struct demangle_component *
-d_class_enum_type (di)
- struct d_info *di;
+d_class_enum_type (struct d_info *di)
{
return d_name (di);
}
*/
static struct demangle_component *
-d_array_type (di)
- struct d_info *di;
+d_array_type (struct d_info *di)
{
char peek;
struct demangle_component *dim;
- if (d_next_char (di) != 'A')
+ if (! d_check_char (di, 'A'))
return NULL;
peek = d_peek_char (di);
return NULL;
}
- if (d_next_char (di) != '_')
+ if (! d_check_char (di, '_'))
return NULL;
return d_make_comp (di, DEMANGLE_COMPONENT_ARRAY_TYPE, dim,
/* <pointer-to-member-type> ::= M <(class) type> <(member) type> */
static struct demangle_component *
-d_pointer_to_member_type (di)
- struct d_info *di;
+d_pointer_to_member_type (struct d_info *di)
{
struct demangle_component *cl;
struct demangle_component *mem;
struct demangle_component **pmem;
- if (d_next_char (di) != 'M')
+ if (! d_check_char (di, 'M'))
return NULL;
cl = cplus_demangle_type (di);
g++ does not work that way. g++ treats only the CV-qualified
member function as a substitution source. FIXME. So to work
with g++, we need to pull off the CV-qualifiers here, in order to
- avoid calling add_substitution() in cplus_demangle_type(). */
+ avoid calling add_substitution() in cplus_demangle_type(). But
+ for a CV-qualified member which is not a function, g++ does
+ follow the ABI, so we need to handle that case here by calling
+ d_add_substitution ourselves. */
pmem = d_cv_qualifiers (di, &mem, 1);
if (pmem == NULL)
return NULL;
*pmem = cplus_demangle_type (di);
+ if (*pmem == NULL)
+ return NULL;
+
+ if (pmem != &mem && (*pmem)->type != DEMANGLE_COMPONENT_FUNCTION_TYPE)
+ {
+ if (! d_add_substitution (di, mem))
+ return NULL;
+ }
return d_make_comp (di, DEMANGLE_COMPONENT_PTRMEM_TYPE, cl, mem);
}
*/
static struct demangle_component *
-d_template_param (di)
- struct d_info *di;
+d_template_param (struct d_info *di)
{
long param;
- if (d_next_char (di) != 'T')
+ if (! d_check_char (di, 'T'))
return NULL;
if (d_peek_char (di) == '_')
param += 1;
}
- if (d_next_char (di) != '_')
+ if (! d_check_char (di, '_'))
return NULL;
++di->did_subs;
/* <template-args> ::= I <template-arg>+ E */
static struct demangle_component *
-d_template_args (di)
- struct d_info *di;
+d_template_args (struct d_info *di)
{
struct demangle_component *hold_last_name;
struct demangle_component *al;
constructor or destructor. */
hold_last_name = di->last_name;
- if (d_next_char (di) != 'I')
+ if (! d_check_char (di, 'I'))
return NULL;
al = NULL;
*/
static struct demangle_component *
-d_template_arg (di)
- struct d_info *di;
+d_template_arg (struct d_info *di)
{
struct demangle_component *ret;
case 'X':
d_advance (di, 1);
ret = d_expression (di);
- if (d_next_char (di) != 'E')
+ if (! d_check_char (di, 'E'))
return NULL;
return ret;
*/
static struct demangle_component *
-d_expression (di)
- struct d_info *di;
+d_expression (struct d_info *di)
{
char peek;
*/
static struct demangle_component *
-d_expr_primary (di)
- struct d_info *di;
+d_expr_primary (struct d_info *di)
{
struct demangle_component *ret;
- if (d_next_char (di) != 'L')
+ if (! d_check_char (di, 'L'))
return NULL;
if (d_peek_char (di) == '_')
ret = cplus_demangle_mangled_name (di, 0);
const char *s;
type = cplus_demangle_type (di);
+ if (type == NULL)
+ return NULL;
/* If we have a type we know how to print, we aren't going to
print the type name itself. */
}
s = d_str (di);
while (d_peek_char (di) != 'E')
- d_advance (di, 1);
+ {
+ if (d_peek_char (di) == '\0')
+ return NULL;
+ d_advance (di, 1);
+ }
ret = d_make_comp (di, t, type, d_make_name (di, s, d_str (di) - s));
}
- if (d_next_char (di) != 'E')
+ if (! d_check_char (di, 'E'))
return NULL;
return ret;
}
*/
static struct demangle_component *
-d_local_name (di)
- struct d_info *di;
+d_local_name (struct d_info *di)
{
struct demangle_component *function;
- if (d_next_char (di) != 'Z')
+ if (! d_check_char (di, 'Z'))
return NULL;
function = d_encoding (di, 0);
- if (d_next_char (di) != 'E')
+ if (! d_check_char (di, 'E'))
return NULL;
if (d_peek_char (di) == 's')
We should print it out in verbose mode. */
static int
-d_discriminator (di)
- struct d_info *di;
+d_discriminator (struct d_info *di)
{
long discrim;
/* Add a new substitution. */
static int
-d_add_substitution (di, dc)
- struct d_info *di;
- struct demangle_component *dc;
+d_add_substitution (struct d_info *di, struct demangle_component *dc)
{
if (dc == NULL)
return 0;
};
static struct demangle_component *
-d_substitution (di, prefix)
- struct d_info *di;
- int prefix;
+d_substitution (struct d_info *di, int prefix)
{
char c;
- if (d_next_char (di) != 'S')
+ if (! d_check_char (di, 'S'))
return NULL;
c = d_next_char (di);
id = id * 36 + c - 'A' + 10;
else
return NULL;
+ if (id < 0)
+ return NULL;
c = d_next_char (di);
}
while (c != '_');
}
}
-/* Resize the print buffer. */
+/* Initialize a growable string. */
static void
-d_print_resize (dpi, add)
- struct d_print_info *dpi;
- size_t add;
+d_growable_string_init (struct d_growable_string *dgs, size_t estimate)
{
- size_t need;
+ dgs->buf = NULL;
+ dgs->len = 0;
+ dgs->alc = 0;
+ dgs->allocation_failure = 0;
+
+ if (estimate > 0)
+ d_growable_string_resize (dgs, estimate);
+}
+
+/* Grow a growable string to a given size. */
- if (dpi->buf == NULL)
+static inline void
+d_growable_string_resize (struct d_growable_string *dgs, size_t need)
+{
+ size_t newalc;
+ char *newbuf;
+
+ if (dgs->allocation_failure)
return;
- need = dpi->len + add;
- while (need > dpi->alc)
- {
- size_t newalc;
- char *newbuf;
- newalc = dpi->alc * 2;
- newbuf = realloc (dpi->buf, newalc);
- if (newbuf == NULL)
- {
- free (dpi->buf);
- dpi->buf = NULL;
- dpi->allocation_failure = 1;
- return;
- }
- dpi->buf = newbuf;
- dpi->alc = newalc;
+ /* Start allocation at two bytes to avoid any possibility of confusion
+ with the special value of 1 used as a return in *palc to indicate
+ allocation failures. */
+ newalc = dgs->alc > 0 ? dgs->alc : 2;
+ while (newalc < need)
+ newalc <<= 1;
+
+ newbuf = (char *) realloc (dgs->buf, newalc);
+ if (newbuf == NULL)
+ {
+ free (dgs->buf);
+ dgs->buf = NULL;
+ dgs->len = 0;
+ dgs->alc = 0;
+ dgs->allocation_failure = 1;
+ return;
}
+ dgs->buf = newbuf;
+ dgs->alc = newalc;
}
-/* Append a character to the print buffer. */
+/* Append a buffer to a growable string. */
-static void
-d_print_append_char (dpi, c)
- struct d_print_info *dpi;
- int c;
+static inline void
+d_growable_string_append_buffer (struct d_growable_string *dgs,
+ const char *s, size_t l)
{
- if (dpi->buf != NULL)
- {
- if (dpi->len >= dpi->alc)
- {
- d_print_resize (dpi, 1);
- if (dpi->buf == NULL)
- return;
- }
+ size_t need;
- dpi->buf[dpi->len] = c;
- ++dpi->len;
- }
+ need = dgs->len + l + 1;
+ if (need > dgs->alc)
+ d_growable_string_resize (dgs, need);
+
+ if (dgs->allocation_failure)
+ return;
+
+ memcpy (dgs->buf + dgs->len, s, l);
+ dgs->buf[dgs->len + l] = '\0';
+ dgs->len += l;
}
-/* Append a buffer to the print buffer. */
+/* Bridge growable strings to the callback mechanism. */
static void
-d_print_append_buffer (dpi, s, l)
- struct d_print_info *dpi;
- const char *s;
- size_t l;
+d_growable_string_callback_adapter (const char *s, size_t l, void *opaque)
{
- if (dpi->buf != NULL)
- {
- if (dpi->len + l > dpi->alc)
- {
- d_print_resize (dpi, l);
- if (dpi->buf == NULL)
- return;
- }
+ struct d_growable_string *dgs = (struct d_growable_string*) opaque;
- memcpy (dpi->buf + dpi->len, s, l);
- dpi->len += l;
- }
+ d_growable_string_append_buffer (dgs, s, l);
}
-/* Indicate that an error occurred during printing. */
+/* Initialize a print information structure. */
static void
-d_print_error (dpi)
- struct d_print_info *dpi;
+d_print_init (struct d_print_info *dpi, int options,
+ demangle_callbackref callback, void *opaque)
+{
+ dpi->options = options;
+ dpi->len = 0;
+ dpi->last_char = '\0';
+ dpi->templates = NULL;
+ dpi->modifiers = NULL;
+
+ dpi->callback = callback;
+ dpi->opaque = opaque;
+
+ dpi->demangle_failure = 0;
+}
+
+/* Indicate that an error occurred during printing, and test for error. */
+
+static inline void
+d_print_error (struct d_print_info *dpi)
+{
+ dpi->demangle_failure = 1;
+}
+
+static inline int
+d_print_saw_error (struct d_print_info *dpi)
+{
+ return dpi->demangle_failure != 0;
+}
+
+/* Flush buffered characters to the callback. */
+
+static inline void
+d_print_flush (struct d_print_info *dpi)
{
- free (dpi->buf);
- dpi->buf = NULL;
+ dpi->buf[dpi->len] = '\0';
+ dpi->callback (dpi->buf, dpi->len, dpi->opaque);
+ dpi->len = 0;
+}
+
+/* Append characters and buffers for printing. */
+
+static inline void
+d_append_char (struct d_print_info *dpi, char c)
+{
+ if (dpi->len == sizeof (dpi->buf) - 1)
+ d_print_flush (dpi);
+
+ dpi->buf[dpi->len++] = c;
+ dpi->last_char = c;
+}
+
+static inline void
+d_append_buffer (struct d_print_info *dpi, const char *s, size_t l)
+{
+ size_t i;
+
+ for (i = 0; i < l; i++)
+ d_append_char (dpi, s[i]);
+}
+
+static inline void
+d_append_string (struct d_print_info *dpi, const char *s)
+{
+ d_append_buffer (dpi, s, strlen (s));
+}
+
+static inline char
+d_last_char (struct d_print_info *dpi)
+{
+ return dpi->last_char;
+}
+
+/* Turn components into a human readable string. OPTIONS is the
+ options bits passed to the demangler. DC is the tree to print.
+ CALLBACK is a function to call to flush demangled string segments
+ as they fill the intermediate buffer, and OPAQUE is a generalized
+ callback argument. On success, this returns 1. On failure,
+ it returns 0, indicating a bad parse. It does not use heap
+ memory to build an output string, so cannot encounter memory
+ allocation failure. */
+
+CP_STATIC_IF_GLIBCPP_V3
+int
+cplus_demangle_print_callback (int options,
+ const struct demangle_component *dc,
+ demangle_callbackref callback, void *opaque)
+{
+ struct d_print_info dpi;
+
+ d_print_init (&dpi, options, callback, opaque);
+
+ d_print_comp (&dpi, dc);
+
+ d_print_flush (&dpi);
+
+ return ! d_print_saw_error (&dpi);
}
/* Turn components into a human readable string. OPTIONS is the
CP_STATIC_IF_GLIBCPP_V3
char *
-cplus_demangle_print (options, dc, estimate, palc)
- int options;
- const struct demangle_component *dc;
- int estimate;
- size_t *palc;
+cplus_demangle_print (int options, const struct demangle_component *dc,
+ int estimate, size_t *palc)
{
- struct d_print_info dpi;
+ struct d_growable_string dgs;
- dpi.options = options;
+ d_growable_string_init (&dgs, estimate);
- dpi.alc = estimate + 1;
- dpi.buf = malloc (dpi.alc);
- if (dpi.buf == NULL)
+ if (! cplus_demangle_print_callback (options, dc,
+ d_growable_string_callback_adapter,
+ &dgs))
{
- *palc = 1;
+ free (dgs.buf);
+ *palc = 0;
return NULL;
}
- dpi.len = 0;
- dpi.templates = NULL;
- dpi.modifiers = NULL;
-
- dpi.allocation_failure = 0;
-
- d_print_comp (&dpi, dc);
-
- d_append_char (&dpi, '\0');
-
- if (dpi.buf != NULL)
- *palc = dpi.alc;
- else
- *palc = dpi.allocation_failure;
-
- return dpi.buf;
+ *palc = dgs.allocation_failure ? 1 : dgs.alc;
+ return dgs.buf;
}
/* Subroutine to handle components. */
static void
-d_print_comp (dpi, dc)
- struct d_print_info *dpi;
- const struct demangle_component *dc;
+d_print_comp (struct d_print_info *dpi,
+ const struct demangle_component *dc)
{
if (dc == NULL)
{
case DEMANGLE_COMPONENT_LOCAL_NAME:
d_print_comp (dpi, d_left (dc));
if ((dpi->options & DMGL_JAVA) == 0)
- d_append_string_constant (dpi, "::");
+ d_append_string (dpi, "::");
else
d_append_char (dpi, '.');
d_print_comp (dpi, d_right (dc));
typed_name = d_left (typed_name);
}
+ if (typed_name == NULL)
+ {
+ d_print_error (dpi);
+ return;
+ }
+
/* If typed_name is a template, then it applies to the
function type as well. */
if (typed_name->type == DEMANGLE_COMPONENT_TEMPLATE)
{
dpt.next = dpi->templates;
dpi->templates = &dpt;
- dpt.template = typed_name;
+ dpt.template_decl = typed_name;
}
/* If typed_name is a DEMANGLE_COMPONENT_LOCAL_NAME, then
case DEMANGLE_COMPONENT_TEMPLATE:
{
struct d_print_mod *hold_dpm;
+ struct demangle_component *dcl;
/* Don't push modifiers into a template definition. Doing so
could give the wrong definition for a template argument.
hold_dpm = dpi->modifiers;
dpi->modifiers = NULL;
- d_print_comp (dpi, d_left (dc));
- if (d_last_char (dpi) == '<')
- d_append_char (dpi, ' ');
- d_append_char (dpi, '<');
- d_print_comp (dpi, d_right (dc));
- /* Avoid generating two consecutive '>' characters, to avoid
- the C++ syntactic ambiguity. */
- if (d_last_char (dpi) == '>')
- d_append_char (dpi, ' ');
- d_append_char (dpi, '>');
+ dcl = d_left (dc);
+
+ if ((dpi->options & DMGL_JAVA) != 0
+ && dcl->type == DEMANGLE_COMPONENT_NAME
+ && dcl->u.s_name.len == 6
+ && strncmp (dcl->u.s_name.s, "JArray", 6) == 0)
+ {
+ /* Special-case Java arrays, so that JArray<TYPE> appears
+ instead as TYPE[]. */
+
+ d_print_comp (dpi, d_right (dc));
+ d_append_string (dpi, "[]");
+ }
+ else
+ {
+ d_print_comp (dpi, dcl);
+ if (d_last_char (dpi) == '<')
+ d_append_char (dpi, ' ');
+ d_append_char (dpi, '<');
+ d_print_comp (dpi, d_right (dc));
+ /* Avoid generating two consecutive '>' characters, to avoid
+ the C++ syntactic ambiguity. */
+ if (d_last_char (dpi) == '>')
+ d_append_char (dpi, ' ');
+ d_append_char (dpi, '>');
+ }
dpi->modifiers = hold_dpm;
return;
}
i = dc->u.s_number.number;
- for (a = d_right (dpi->templates->template);
+ for (a = d_right (dpi->templates->template_decl);
a != NULL;
a = d_right (a))
{
return;
case DEMANGLE_COMPONENT_VTABLE:
- d_append_string_constant (dpi, "vtable for ");
+ d_append_string (dpi, "vtable for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_VTT:
- d_append_string_constant (dpi, "VTT for ");
+ d_append_string (dpi, "VTT for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_CONSTRUCTION_VTABLE:
- d_append_string_constant (dpi, "construction vtable for ");
+ d_append_string (dpi, "construction vtable for ");
d_print_comp (dpi, d_left (dc));
- d_append_string_constant (dpi, "-in-");
+ d_append_string (dpi, "-in-");
d_print_comp (dpi, d_right (dc));
return;
case DEMANGLE_COMPONENT_TYPEINFO:
- d_append_string_constant (dpi, "typeinfo for ");
+ d_append_string (dpi, "typeinfo for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_TYPEINFO_NAME:
- d_append_string_constant (dpi, "typeinfo name for ");
+ d_append_string (dpi, "typeinfo name for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_TYPEINFO_FN:
- d_append_string_constant (dpi, "typeinfo fn for ");
+ d_append_string (dpi, "typeinfo fn for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_THUNK:
- d_append_string_constant (dpi, "non-virtual thunk to ");
+ d_append_string (dpi, "non-virtual thunk to ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_VIRTUAL_THUNK:
- d_append_string_constant (dpi, "virtual thunk to ");
+ d_append_string (dpi, "virtual thunk to ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_COVARIANT_THUNK:
- d_append_string_constant (dpi, "covariant return thunk to ");
+ d_append_string (dpi, "covariant return thunk to ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_JAVA_CLASS:
- d_append_string_constant (dpi, "java Class for ");
+ d_append_string (dpi, "java Class for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_GUARD:
- d_append_string_constant (dpi, "guard variable for ");
+ d_append_string (dpi, "guard variable for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_REFTEMP:
- d_append_string_constant (dpi, "reference temporary for ");
+ d_append_string (dpi, "reference temporary for ");
+ d_print_comp (dpi, d_left (dc));
+ return;
+
+ case DEMANGLE_COMPONENT_HIDDEN_ALIAS:
+ d_append_string (dpi, "hidden alias for ");
d_print_comp (dpi, d_left (dc));
return;
case DEMANGLE_COMPONENT_RESTRICT:
case DEMANGLE_COMPONENT_VOLATILE:
case DEMANGLE_COMPONENT_CONST:
+ {
+ struct d_print_mod *pdpm;
+
+ /* When printing arrays, it's possible to have cases where the
+ same CV-qualifier gets pushed on the stack multiple times.
+ We only need to print it once. */
+
+ for (pdpm = dpi->modifiers; pdpm != NULL; pdpm = pdpm->next)
+ {
+ if (! pdpm->printed)
+ {
+ if (pdpm->mod->type != DEMANGLE_COMPONENT_RESTRICT
+ && pdpm->mod->type != DEMANGLE_COMPONENT_VOLATILE
+ && pdpm->mod->type != DEMANGLE_COMPONENT_CONST)
+ break;
+ if (pdpm->mod->type == dc->type)
+ {
+ d_print_comp (dpi, d_left (dc));
+ return;
+ }
+ }
+ }
+ }
+ /* Fall through. */
case DEMANGLE_COMPONENT_RESTRICT_THIS:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
case DEMANGLE_COMPONENT_CONST_THIS:
case DEMANGLE_COMPONENT_FUNCTION_TYPE:
{
+ if ((dpi->options & DMGL_RET_POSTFIX) != 0)
+ d_print_function_type (dpi, dc, dpi->modifiers);
+
+ /* Print return type if present */
if (d_left (dc) != NULL)
{
struct d_print_mod dpm;
/* We must pass this type down as a modifier in order to
print it in the right location. */
-
dpm.next = dpi->modifiers;
dpi->modifiers = &dpm;
dpm.mod = dc;
if (dpm.printed)
return;
- d_append_char (dpi, ' ');
+ /* In standard prefix notation, there is a space between the
+ return type and the function signature. */
+ if ((dpi->options & DMGL_RET_POSTFIX) == 0)
+ d_append_char (dpi, ' ');
}
- d_print_function_type (dpi, dc, dpi->modifiers);
+ if ((dpi->options & DMGL_RET_POSTFIX) == 0)
+ d_print_function_type (dpi, dc, dpi->modifiers);
return;
}
case DEMANGLE_COMPONENT_ARRAY_TYPE:
{
- struct d_print_mod dpm;
+ struct d_print_mod *hold_modifiers;
+ struct d_print_mod adpm[4];
+ unsigned int i;
+ struct d_print_mod *pdpm;
/* We must pass this type down as a modifier in order to print
- multi-dimensional arrays correctly. */
+ multi-dimensional arrays correctly. If the array itself is
+ CV-qualified, we act as though the element type were
+ CV-qualified. We do this by copying the modifiers down
+ rather than fiddling pointers, so that we don't wind up
+ with a d_print_mod higher on the stack pointing into our
+ stack frame after we return. */
- dpm.next = dpi->modifiers;
- dpi->modifiers = &dpm;
- dpm.mod = dc;
- dpm.printed = 0;
- dpm.templates = dpi->templates;
+ hold_modifiers = dpi->modifiers;
+
+ adpm[0].next = hold_modifiers;
+ dpi->modifiers = &adpm[0];
+ adpm[0].mod = dc;
+ adpm[0].printed = 0;
+ adpm[0].templates = dpi->templates;
+
+ i = 1;
+ pdpm = hold_modifiers;
+ while (pdpm != NULL
+ && (pdpm->mod->type == DEMANGLE_COMPONENT_RESTRICT
+ || pdpm->mod->type == DEMANGLE_COMPONENT_VOLATILE
+ || pdpm->mod->type == DEMANGLE_COMPONENT_CONST))
+ {
+ if (! pdpm->printed)
+ {
+ if (i >= sizeof adpm / sizeof adpm[0])
+ {
+ d_print_error (dpi);
+ return;
+ }
+
+ adpm[i] = *pdpm;
+ adpm[i].next = dpi->modifiers;
+ dpi->modifiers = &adpm[i];
+ pdpm->printed = 1;
+ ++i;
+ }
+
+ pdpm = pdpm->next;
+ }
d_print_comp (dpi, d_right (dc));
- dpi->modifiers = dpm.next;
+ dpi->modifiers = hold_modifiers;
- if (dpm.printed)
+ if (adpm[0].printed)
return;
+ while (i > 1)
+ {
+ --i;
+ d_print_mod (dpi, adpm[i].mod);
+ }
+
d_print_array_type (dpi, dc, dpi->modifiers);
return;
{
d_append_char (dpi, ' ');
d_print_comp (dpi, d_left (dc));
- d_append_string_constant (dpi, "::*");
+ d_append_string (dpi, "::*");
}
dpi->modifiers = dpm.next;
d_print_comp (dpi, d_left (dc));
if (d_right (dc) != NULL)
{
- d_append_string_constant (dpi, ", ");
+ d_append_string (dpi, ", ");
d_print_comp (dpi, d_right (dc));
}
return;
{
char c;
- d_append_string_constant (dpi, "operator");
+ d_append_string (dpi, "operator");
c = dc->u.s_operator.op->name[0];
if (IS_LOWER (c))
d_append_char (dpi, ' ');
}
case DEMANGLE_COMPONENT_EXTENDED_OPERATOR:
- d_append_string_constant (dpi, "operator ");
+ d_append_string (dpi, "operator ");
d_print_comp (dpi, dc->u.s_extended_operator.name);
return;
case DEMANGLE_COMPONENT_CAST:
- d_append_string_constant (dpi, "operator ");
+ d_append_string (dpi, "operator ");
d_print_cast (dpi, dc);
return;
d_print_expr_op (dpi, d_left (dc));
else
{
- d_append_string_constant (dpi, "((");
+ d_append_char (dpi, '(');
d_print_cast (dpi, d_left (dc));
d_append_char (dpi, ')');
}
d_append_char (dpi, '(');
d_print_comp (dpi, d_right (dc));
d_append_char (dpi, ')');
- if (d_left (dc)->type == DEMANGLE_COMPONENT_CAST)
- d_append_char (dpi, ')');
return;
case DEMANGLE_COMPONENT_BINARY:
d_append_char (dpi, '(');
d_print_comp (dpi, d_left (d_right (dc)));
- d_append_string_constant (dpi, ") ");
+ d_append_string (dpi, ") ");
d_print_expr_op (dpi, d_left (dc));
- d_append_string_constant (dpi, " (");
+ d_append_string (dpi, " (");
d_print_comp (dpi, d_right (d_right (dc)));
d_append_char (dpi, ')');
}
d_append_char (dpi, '(');
d_print_comp (dpi, d_left (d_right (dc)));
- d_append_string_constant (dpi, ") ");
+ d_append_string (dpi, ") ");
d_print_expr_op (dpi, d_left (dc));
- d_append_string_constant (dpi, " (");
+ d_append_string (dpi, " (");
d_print_comp (dpi, d_left (d_right (d_right (dc))));
- d_append_string_constant (dpi, ") : (");
+ d_append_string (dpi, ") : (");
d_print_comp (dpi, d_right (d_right (d_right (dc))));
d_append_char (dpi, ')');
return;
case DEMANGLE_COMPONENT_LITERAL:
case DEMANGLE_COMPONENT_LITERAL_NEG:
- /* For some builtin types, produce simpler output. */
- if (d_left (dc)->type == DEMANGLE_COMPONENT_BUILTIN_TYPE)
- {
- switch (d_left (dc)->u.s_builtin.type->print)
- {
- case D_PRINT_INT:
- if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME)
- {
- if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
- d_append_char (dpi, '-');
- d_print_comp (dpi, d_right (dc));
- return;
- }
- break;
+ {
+ enum d_builtin_type_print tp;
- case D_PRINT_LONG:
- if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME)
- {
- if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
- d_append_char (dpi, '-');
- d_print_comp (dpi, d_right (dc));
- d_append_char (dpi, 'l');
- return;
- }
- break;
+ /* For some builtin types, produce simpler output. */
+ tp = D_PRINT_DEFAULT;
+ if (d_left (dc)->type == DEMANGLE_COMPONENT_BUILTIN_TYPE)
+ {
+ tp = d_left (dc)->u.s_builtin.type->print;
+ switch (tp)
+ {
+ case D_PRINT_INT:
+ case D_PRINT_UNSIGNED:
+ case D_PRINT_LONG:
+ case D_PRINT_UNSIGNED_LONG:
+ case D_PRINT_LONG_LONG:
+ case D_PRINT_UNSIGNED_LONG_LONG:
+ if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME)
+ {
+ if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
+ d_append_char (dpi, '-');
+ d_print_comp (dpi, d_right (dc));
+ switch (tp)
+ {
+ default:
+ break;
+ case D_PRINT_UNSIGNED:
+ d_append_char (dpi, 'u');
+ break;
+ case D_PRINT_LONG:
+ d_append_char (dpi, 'l');
+ break;
+ case D_PRINT_UNSIGNED_LONG:
+ d_append_string (dpi, "ul");
+ break;
+ case D_PRINT_LONG_LONG:
+ d_append_string (dpi, "ll");
+ break;
+ case D_PRINT_UNSIGNED_LONG_LONG:
+ d_append_string (dpi, "ull");
+ break;
+ }
+ return;
+ }
+ break;
- case D_PRINT_BOOL:
- if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME
- && d_right (dc)->u.s_name.len == 1
- && dc->type == DEMANGLE_COMPONENT_LITERAL)
- {
- switch (d_right (dc)->u.s_name.s[0])
- {
- case '0':
- d_append_string_constant (dpi, "false");
- return;
- case '1':
- d_append_string_constant (dpi, "true");
- return;
- default:
- break;
- }
- }
- break;
+ case D_PRINT_BOOL:
+ if (d_right (dc)->type == DEMANGLE_COMPONENT_NAME
+ && d_right (dc)->u.s_name.len == 1
+ && dc->type == DEMANGLE_COMPONENT_LITERAL)
+ {
+ switch (d_right (dc)->u.s_name.s[0])
+ {
+ case '0':
+ d_append_string (dpi, "false");
+ return;
+ case '1':
+ d_append_string (dpi, "true");
+ return;
+ default:
+ break;
+ }
+ }
+ break;
- default:
- break;
- }
- }
+ default:
+ break;
+ }
+ }
- d_append_char (dpi, '(');
- d_print_comp (dpi, d_left (dc));
- d_append_char (dpi, ')');
- if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
- d_append_char (dpi, '-');
- d_print_comp (dpi, d_right (dc));
+ d_append_char (dpi, '(');
+ d_print_comp (dpi, d_left (dc));
+ d_append_char (dpi, ')');
+ if (dc->type == DEMANGLE_COMPONENT_LITERAL_NEG)
+ d_append_char (dpi, '-');
+ if (tp == D_PRINT_FLOAT)
+ d_append_char (dpi, '[');
+ d_print_comp (dpi, d_right (dc));
+ if (tp == D_PRINT_FLOAT)
+ d_append_char (dpi, ']');
+ }
return;
default:
__U<hex-char>+_. */
static void
-d_print_java_identifier (dpi, name, len)
- struct d_print_info *dpi;
- const char *name;
- int len;
+d_print_java_identifier (struct d_print_info *dpi, const char *name, int len)
{
const char *p;
const char *end;
qualifiers on this after printing a function. */
static void
-d_print_mod_list (dpi, mods, suffix)
- struct d_print_info *dpi;
- struct d_print_mod *mods;
- int suffix;
+d_print_mod_list (struct d_print_info *dpi,
+ struct d_print_mod *mods, int suffix)
{
struct d_print_template *hold_dpt;
dpi->modifiers = hold_modifiers;
if ((dpi->options & DMGL_JAVA) == 0)
- d_append_string_constant (dpi, "::");
+ d_append_string (dpi, "::");
else
d_append_char (dpi, '.');
/* Print a modifier. */
static void
-d_print_mod (dpi, mod)
- struct d_print_info *dpi;
- const struct demangle_component *mod;
+d_print_mod (struct d_print_info *dpi,
+ const struct demangle_component *mod)
{
switch (mod->type)
{
case DEMANGLE_COMPONENT_RESTRICT:
case DEMANGLE_COMPONENT_RESTRICT_THIS:
- d_append_string_constant (dpi, " restrict");
+ d_append_string (dpi, " restrict");
return;
case DEMANGLE_COMPONENT_VOLATILE:
case DEMANGLE_COMPONENT_VOLATILE_THIS:
- d_append_string_constant (dpi, " volatile");
+ d_append_string (dpi, " volatile");
return;
case DEMANGLE_COMPONENT_CONST:
case DEMANGLE_COMPONENT_CONST_THIS:
- d_append_string_constant (dpi, " const");
+ d_append_string (dpi, " const");
return;
case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
d_append_char (dpi, ' ');
d_append_char (dpi, '&');
return;
case DEMANGLE_COMPONENT_COMPLEX:
- d_append_string_constant (dpi, "complex ");
+ d_append_string (dpi, "complex ");
return;
case DEMANGLE_COMPONENT_IMAGINARY:
- d_append_string_constant (dpi, "imaginary ");
+ d_append_string (dpi, "imaginary ");
return;
case DEMANGLE_COMPONENT_PTRMEM_TYPE:
if (d_last_char (dpi) != '(')
d_append_char (dpi, ' ');
d_print_comp (dpi, d_left (mod));
- d_append_string_constant (dpi, "::*");
+ d_append_string (dpi, "::*");
return;
case DEMANGLE_COMPONENT_TYPED_NAME:
d_print_comp (dpi, d_left (mod));
/* Print a function type, except for the return type. */
static void
-d_print_function_type (dpi, dc, mods)
- struct d_print_info *dpi;
- const struct demangle_component *dc;
- struct d_print_mod *mods;
+d_print_function_type (struct d_print_info *dpi,
+ const struct demangle_component *dc,
+ struct d_print_mod *mods)
{
int need_paren;
int saw_mod;
+ int need_space;
struct d_print_mod *p;
struct d_print_mod *hold_modifiers;
need_paren = 0;
saw_mod = 0;
+ need_space = 0;
for (p = mods; p != NULL; p = p->next)
{
if (p->printed)
saw_mod = 1;
switch (p->mod->type)
{
+ case DEMANGLE_COMPONENT_POINTER:
+ case DEMANGLE_COMPONENT_REFERENCE:
+ need_paren = 1;
+ break;
case DEMANGLE_COMPONENT_RESTRICT:
case DEMANGLE_COMPONENT_VOLATILE:
case DEMANGLE_COMPONENT_CONST:
case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
- case DEMANGLE_COMPONENT_POINTER:
- case DEMANGLE_COMPONENT_REFERENCE:
case DEMANGLE_COMPONENT_COMPLEX:
case DEMANGLE_COMPONENT_IMAGINARY:
case DEMANGLE_COMPONENT_PTRMEM_TYPE:
+ need_space = 1;
need_paren = 1;
break;
case DEMANGLE_COMPONENT_RESTRICT_THIS:
if (need_paren)
{
- switch (d_last_char (dpi))
+ if (! need_space)
{
- case ' ':
- case '(':
- case '*':
- break;
-
- default:
- d_append_char (dpi, ' ');
- break;
+ if (d_last_char (dpi) != '('
+ && d_last_char (dpi) != '*')
+ need_space = 1;
}
-
+ if (need_space && d_last_char (dpi) != ' ')
+ d_append_char (dpi, ' ');
d_append_char (dpi, '(');
}
/* Print an array type, except for the element type. */
static void
-d_print_array_type (dpi, dc, mods)
- struct d_print_info *dpi;
- const struct demangle_component *dc;
- struct d_print_mod *mods;
+d_print_array_type (struct d_print_info *dpi,
+ const struct demangle_component *dc,
+ struct d_print_mod *mods)
{
int need_space;
need_paren = 0;
for (p = mods; p != NULL; p = p->next)
{
- if (p->printed)
- break;
-
- if (p->mod->type == DEMANGLE_COMPONENT_ARRAY_TYPE)
+ if (! p->printed)
{
- need_space = 0;
- break;
- }
- else
- {
- need_paren = 1;
- need_space = 1;
- break;
+ if (p->mod->type == DEMANGLE_COMPONENT_ARRAY_TYPE)
+ {
+ need_space = 0;
+ break;
+ }
+ else
+ {
+ need_paren = 1;
+ need_space = 1;
+ break;
+ }
}
}
if (need_paren)
- d_append_string_constant (dpi, " (");
+ d_append_string (dpi, " (");
d_print_mod_list (dpi, mods, 0);
/* Print an operator in an expression. */
static void
-d_print_expr_op (dpi, dc)
- struct d_print_info *dpi;
- const struct demangle_component *dc;
+d_print_expr_op (struct d_print_info *dpi,
+ const struct demangle_component *dc)
{
if (dc->type == DEMANGLE_COMPONENT_OPERATOR)
d_append_buffer (dpi, dc->u.s_operator.op->name,
/* Print a cast. */
static void
-d_print_cast (dpi, dc)
- struct d_print_info *dpi;
- const struct demangle_component *dc;
+d_print_cast (struct d_print_info *dpi,
+ const struct demangle_component *dc)
{
if (d_left (dc)->type != DEMANGLE_COMPONENT_TEMPLATE)
d_print_comp (dpi, d_left (dc));
dpt.next = dpi->templates;
dpi->templates = &dpt;
- dpt.template = d_left (dc);
+ dpt.template_decl = d_left (dc);
d_print_comp (dpi, d_left (d_left (dc)));
CP_STATIC_IF_GLIBCPP_V3
void
-cplus_demangle_init_info (mangled, options, len, di)
- const char *mangled;
- int options;
- size_t len;
- struct d_info *di;
+cplus_demangle_init_info (const char *mangled, int options, size_t len,
+ struct d_info *di)
{
di->s = mangled;
di->send = mangled + len;
di->expansion = 0;
}
-/* Entry point for the demangler. If MANGLED is a g++ v3 ABI mangled
- name, return a buffer allocated with malloc holding the demangled
- name. OPTIONS is the usual libiberty demangler options. On
- success, this sets *PALC to the allocated size of the returned
- buffer. On failure, this sets *PALC to 0 for a bad name, or 1 for
- a memory allocation failure. On failure, this returns NULL. */
+/* Internal implementation for the demangler. If MANGLED is a g++ v3 ABI
+ mangled name, return strings in repeated callback giving the demangled
+ name. OPTIONS is the usual libiberty demangler options. On success,
+ this returns 1. On failure, returns 0. */
-static char *
-d_demangle (mangled, options, palc)
- const char* mangled;
- int options;
- size_t *palc;
+static int
+d_demangle_callback (const char *mangled, int options,
+ demangle_callbackref callback, void *opaque)
{
- size_t len;
int type;
struct d_info di;
struct demangle_component *dc;
- int estimate;
- char *ret;
-
- *palc = 0;
-
- len = strlen (mangled);
+ int status;
if (mangled[0] == '_' && mangled[1] == 'Z')
type = 0;
&& (mangled[9] == 'D' || mangled[9] == 'I')
&& mangled[10] == '_')
{
- char *r;
+ const char *intro;
- r = malloc (40 + len - 11);
- if (r == NULL)
- *palc = 1;
- else
- {
- if (mangled[9] == 'I')
- strcpy (r, "global constructors keyed to ");
- else
- strcpy (r, "global destructors keyed to ");
- strcat (r, mangled + 11);
- }
- return r;
+ intro = (mangled[9] == 'I')
+ ? "global constructors keyed to "
+ : "global destructors keyed to ";
+
+ callback (intro, strlen (intro), opaque);
+ callback (mangled + 11, strlen (mangled + 11), opaque);
+ return 1;
}
else
{
if ((options & DMGL_TYPES) == 0)
- return NULL;
+ return 0;
type = 1;
}
- cplus_demangle_init_info (mangled, options, len, &di);
+ cplus_demangle_init_info (mangled, options, strlen (mangled), &di);
{
#ifdef CP_DYNAMIC_ARRAYS
__extension__ struct demangle_component comps[di.num_comps];
__extension__ struct demangle_component *subs[di.num_subs];
- di.comps = &comps[0];
- di.subs = &subs[0];
+ di.comps = comps;
+ di.subs = subs;
#else
- 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);
- *palc = 1;
- return NULL;
- }
+ di.comps = alloca (di.num_comps * sizeof (*di.comps));
+ di.subs = alloca (di.num_subs * sizeof (*di.subs));
#endif
- if (! type)
- dc = cplus_demangle_mangled_name (&di, 1);
- else
+ if (type)
dc = cplus_demangle_type (&di);
+ else
+ dc = cplus_demangle_mangled_name (&di, 1);
/* If DMGL_PARAMS is set, then if we didn't consume the entire
mangled string, then we didn't successfully demangle it. If
dc = NULL;
#ifdef CP_DEMANGLE_DEBUG
- if (dc == NULL)
- printf ("failed demangling\n");
- else
- d_dump (dc, 0);
+ d_dump (dc, 0);
#endif
- /* We try to guess the length of the demangled string, to minimize
- calls to realloc during demangling. */
- estimate = len + di.expansion + 10 * di.did_subs;
- estimate += estimate / 8;
+ status = (dc != NULL)
+ ? cplus_demangle_print_callback (options, dc, callback, opaque)
+ : 0;
+ }
- ret = NULL;
- if (dc != NULL)
- ret = cplus_demangle_print (options, dc, estimate, palc);
+ return status;
+}
-#ifndef CP_DYNAMIC_ARRAYS
- free (di.comps);
- free (di.subs);
-#endif
+/* Entry point for the demangler. If MANGLED is a g++ v3 ABI mangled
+ name, return a buffer allocated with malloc holding the demangled
+ name. OPTIONS is the usual libiberty demangler options. On
+ success, this sets *PALC to the allocated size of the returned
+ buffer. On failure, this sets *PALC to 0 for a bad name, or 1 for
+ a memory allocation failure, and returns NULL. */
-#ifdef CP_DEMANGLE_DEBUG
- if (ret != NULL)
- {
- int rlen;
-
- rlen = strlen (ret);
- if (rlen > 2 * estimate)
- printf ("*** Length %d much greater than estimate %d\n",
- rlen, estimate);
- else if (rlen > estimate)
- printf ("*** Length %d greater than estimate %d\n",
- rlen, estimate);
- else if (rlen < estimate / 2)
- printf ("*** Length %d much less than estimate %d\n",
- rlen, estimate);
- }
-#endif
- }
+static char *
+d_demangle (const char *mangled, int options, size_t *palc)
+{
+ struct d_growable_string dgs;
+ int status;
- return ret;
+ d_growable_string_init (&dgs, 0);
+
+ status = d_demangle_callback (mangled, options,
+ d_growable_string_callback_adapter, &dgs);
+ if (status == 0)
+ {
+ free (dgs.buf);
+ *palc = 0;
+ return NULL;
+ }
+
+ *palc = dgs.allocation_failure ? 1 : 0;
+ return dgs.buf;
}
#if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3)
-extern char *__cxa_demangle PARAMS ((const char *, char *, size_t *, int *));
+extern char *__cxa_demangle (const char *, char *, size_t *, int *);
/* ia64 ABI-mandated entry point in the C++ runtime library for
performing demangling. MANGLED_NAME is a NUL-terminated character
OUTPUT_BUFFER may instead be NULL; in that case, the demangled name
is placed in a region of memory allocated with malloc.
- If LENGTH is non-NULL, the length of the buffer conaining the
+ If LENGTH is non-NULL, the length of the buffer containing the
demangled name, is placed in *LENGTH.
The return value is a pointer to the start of the NUL-terminated
GNU extensions. */
char *
-__cxa_demangle (mangled_name, output_buffer, length, status)
- const char *mangled_name;
- char *output_buffer;
- size_t *length;
- int *status;
+__cxa_demangle (const char *mangled_name, char *output_buffer,
+ size_t *length, int *status)
{
char *demangled;
size_t alc;
- if (status == NULL)
- return NULL;
-
if (mangled_name == NULL)
{
- *status = -3;
+ if (status != NULL)
+ *status = -3;
return NULL;
}
if (output_buffer != NULL && length == NULL)
{
- *status = -3;
+ if (status != NULL)
+ *status = -3;
return NULL;
}
- demangled = d_demangle (mangled_name, DMGL_TYPES, &alc);
+ demangled = d_demangle (mangled_name, DMGL_PARAMS | DMGL_TYPES, &alc);
if (demangled == NULL)
{
- if (alc == 1)
- *status = -1;
- else
- *status = -2;
+ if (status != NULL)
+ {
+ if (alc == 1)
+ *status = -1;
+ else
+ *status = -2;
+ }
return NULL;
}
}
}
- *status = 0;
+ if (status != NULL)
+ *status = 0;
return demangled;
}
+extern int __gcclibcxx_demangle_callback (const char *,
+ void (*)
+ (const char *, size_t, void *),
+ void *);
+
+/* Alternative, allocationless entry point in the C++ runtime library
+ for performing demangling. MANGLED_NAME is a NUL-terminated character
+ string containing the name to be demangled.
+
+ CALLBACK is a callback function, called with demangled string
+ segments as demangling progresses; it is called at least once,
+ but may be called more than once. OPAQUE is a generalized pointer
+ used as a callback argument.
+
+ The return code is one of the following values, equivalent to
+ the STATUS values of __cxa_demangle() (excluding -1, since this
+ function performs no memory allocations):
+ 0: The demangling operation succeeded.
+ -2: MANGLED_NAME is not a valid name under the C++ ABI mangling rules.
+ -3: One of the arguments is invalid.
+
+ The demangling is performed using the C++ ABI mangling rules, with
+ GNU extensions. */
+
+int
+__gcclibcxx_demangle_callback (const char *mangled_name,
+ void (*callback) (const char *, size_t, void *),
+ void *opaque)
+{
+ int status;
+
+ if (mangled_name == NULL || callback == NULL)
+ return -3;
+
+ status = d_demangle_callback (mangled_name, DMGL_PARAMS | DMGL_TYPES,
+ callback, opaque);
+ if (status == 0)
+ return -2;
+
+ return 0;
+}
+
#else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */
/* Entry point for libiberty demangler. If MANGLED is a g++ v3 ABI
demangled name. Otherwise, return NULL. */
char *
-cplus_demangle_v3 (mangled, options)
- const char* mangled;
- int options;
+cplus_demangle_v3 (const char *mangled, int options)
{
size_t alc;
return d_demangle (mangled, options, &alc);
}
+int
+cplus_demangle_v3_callback (const char *mangled, int options,
+ demangle_callbackref callback, void *opaque)
+{
+ return d_demangle_callback (mangled, options, callback, opaque);
+}
+
/* Demangle a Java symbol. Java uses a subset of the V3 ABI C++ mangling
conventions, but the output formatting is a little different.
- This instructs the C++ demangler not to emit pointer characters ("*"), and
- to use Java's namespace separator symbol ("." instead of "::"). It then
- does an additional pass over the demangled output to replace instances
- of JArray<TYPE> with TYPE[]. */
+ This instructs the C++ demangler not to emit pointer characters ("*"), to
+ use Java's namespace separator symbol ("." instead of "::"), and to output
+ JArray<TYPE> as TYPE[]. */
char *
-java_demangle_v3 (mangled)
- const char* mangled;
+java_demangle_v3 (const char *mangled)
{
size_t alc;
- char *demangled;
- int nesting;
- char *from;
- char *to;
- demangled = d_demangle (mangled, DMGL_JAVA | DMGL_PARAMS, &alc);
-
- if (demangled == NULL)
- return NULL;
-
- nesting = 0;
- from = demangled;
- to = from;
- while (*from != '\0')
- {
- if (strncmp (from, "JArray<", 7) == 0)
- {
- from += 7;
- ++nesting;
- }
- else if (nesting > 0 && *from == '>')
- {
- while (to > demangled && to[-1] == ' ')
- --to;
- *to++ = '[';
- *to++ = ']';
- --nesting;
- ++from;
- }
- else
- *to++ = *from++;
- }
-
- *to = '\0';
+ return d_demangle (mangled, DMGL_JAVA | DMGL_PARAMS | DMGL_RET_POSTFIX, &alc);
+}
- return demangled;
+int
+java_demangle_v3_callback (const char *mangled,
+ demangle_callbackref callback, void *opaque)
+{
+ return d_demangle_callback (mangled,
+ DMGL_JAVA | DMGL_PARAMS | DMGL_RET_POSTFIX,
+ callback, opaque);
}
#endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */
*DTOR_KIND appropriately. */
static int
-is_ctor_or_dtor (mangled, ctor_kind, dtor_kind)
- const char *mangled;
- enum gnu_v3_ctor_kinds *ctor_kind;
- enum gnu_v3_dtor_kinds *dtor_kind;
+is_ctor_or_dtor (const char *mangled,
+ enum gnu_v3_ctor_kinds *ctor_kind,
+ enum gnu_v3_dtor_kinds *dtor_kind)
{
struct d_info di;
struct demangle_component *dc;
__extension__ struct demangle_component comps[di.num_comps];
__extension__ struct demangle_component *subs[di.num_subs];
- di.comps = &comps[0];
- di.subs = &subs[0];
+ di.comps = comps;
+ di.subs = subs;
#else
- 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 0;
- }
+ di.comps = alloca (di.num_comps * sizeof (*di.comps));
+ di.subs = alloca (di.num_subs * sizeof (*di.subs));
#endif
dc = cplus_demangle_mangled_name (&di, 1);
break;
}
}
-
-#ifndef CP_DYNAMIC_ARRAYS
- free (di.subs);
- free (di.comps);
-#endif
}
return ret;
name. A non-zero return indicates the type of constructor. */
enum gnu_v3_ctor_kinds
-is_gnu_v3_mangled_ctor (name)
- const char *name;
+is_gnu_v3_mangled_ctor (const char *name)
{
enum gnu_v3_ctor_kinds ctor_kind;
enum gnu_v3_dtor_kinds dtor_kind;
name. A non-zero return indicates the type of destructor. */
enum gnu_v3_dtor_kinds
-is_gnu_v3_mangled_dtor (name)
- const char *name;
+is_gnu_v3_mangled_dtor (const char *name)
{
enum gnu_v3_ctor_kinds ctor_kind;
enum gnu_v3_dtor_kinds dtor_kind;
#include "getopt.h"
#include "dyn-string.h"
-static void print_usage PARAMS ((FILE* fp, int exit_value));
+static void print_usage (FILE* fp, int exit_value);
#define IS_ALPHA(CHAR) \
(((CHAR) >= 'a' && (CHAR) <= 'z') \
/* Prints usage summary to FP and then exits with EXIT_VALUE. */
static void
-print_usage (fp, exit_value)
- FILE* fp;
- int exit_value;
+print_usage (FILE* fp, int exit_value)
{
fprintf (fp, "Usage: %s [options] [names ...]\n", program_name);
fprintf (fp, "Options:\n");
with their demangled equivalents. */
int
-main (argc, argv)
- int argc;
- char *argv[];
+main (int argc, char *argv[])
{
int i;
int opt_char;
if (dyn_string_length (mangled) > 0)
{
+#ifdef IN_GLIBCPP_V3
+ s = __cxa_demangle (dyn_string_buf (mangled), NULL, NULL, NULL);
+#else
s = cplus_demangle_v3 (dyn_string_buf (mangled), options);
+#endif
if (s != NULL)
{
for (i = optind; i < argc; ++i)
{
char *s;
+#ifdef IN_GLIBCPP_V3
+ int status;
+#endif
/* Attempt to demangle. */
+#ifdef IN_GLIBCPP_V3
+ s = __cxa_demangle (argv[i], NULL, NULL, &status);
+#else
s = cplus_demangle_v3 (argv[i], options);
+#endif
/* If it worked, print the demangled name. */
if (s != NULL)
free (s);
}
else
- fprintf (stderr, "Failed: %s\n", argv[i]);
+ {
+#ifdef IN_GLIBCPP_V3
+ fprintf (stderr, "Failed: %s (status %d)\n", argv[i], status);
+#else
+ fprintf (stderr, "Failed: %s\n", argv[i]);
+#endif
+ }
}
}
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