-/* Demangler for IA64 / g++ standard C++ ABI.
- Copyright (C) 2000 Free Software Foundation, Inc.
+/* Demangler for IA64 / g++ V3 ABI.
+ Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
Written by Alex Samuel <samuel@codesourcery.com>.
This file is part of GNU CC.
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
*/
/* This file implements demangling of C++ names mangled according to
- the IA64 / g++ standard C++ ABI. Use the cp_demangle function to
+ the IA64 / g++ V3 ABI. Use the cp_demangle function to
demangle a mangled name, or compile with the preprocessor macro
STANDALONE_DEMANGLER defined to create a demangling filter
executable (functionally similar to c++filt, but includes this
#include <string.h>
#endif
+#include <ctype.h>
+
#include "ansidecl.h"
#include "libiberty.h"
#include "dyn-string.h"
anonymous namespace. */
#define ANONYMOUS_NAMESPACE_PREFIX "_GLOBAL_"
+/* Character(s) to use for namespace separation in demangled output */
+#define NAMESPACE_SEPARATOR (dm->style == DMGL_JAVA ? "." : "::")
+
/* If flag_verbose is zero, some simplifications will be made to the
output to make it easier to read and supress details that are
generally not of interest to the average C++ programmer.
specification -- don't demangle special g++ manglings. */
static int flag_strict;
-/* String_list_t is an extended form of dyn_string_t which provides a link
- field. A string_list_t may safely be cast to and used as a
- dyn_string_t. */
+/* String_list_t is an extended form of dyn_string_t which provides a
+ link field and a caret position for additions to the string. A
+ string_list_t may safely be cast to and used as a dyn_string_t. */
struct string_list_def
{
+ /* The dyn_string; must be first. */
struct dyn_string string;
+
+ /* The position at which additional text is added to this string
+ (using the result_add* macros). This value is an offset from the
+ end of the string, not the beginning (and should be
+ non-positive). */
+ int caret_position;
+
+ /* The next string in the list. */
struct string_list_def *next;
};
/* The most recently demangled source-name. */
dyn_string_t last_source_name;
+
+ /* Language style to use for demangled output. */
+ int style;
+
+ /* Set to non-zero iff this name is a constructor. The actual value
+ indicates what sort of constructor this is; see demangle.h. */
+ enum gnu_v3_ctor_kinds is_constructor;
+
+ /* Set to non-zero iff this name is a destructor. The actual value
+ indicates what sort of destructor this is; see demangle.h. */
+ enum gnu_v3_dtor_kinds is_destructor;
+
};
typedef struct demangling_def *demangling_t;
static template_arg_list_t current_template_arg_list
PARAMS ((demangling_t));
static demangling_t demangling_new
- PARAMS ((const char *));
+ PARAMS ((const char *, int));
static void demangling_delete
PARAMS ((demangling_t));
/* Returns the string containing the current demangled result. */
#define result_string(DM) (&(DM)->result->string)
-/* Appends a dyn_string_t to the demangled result. */
-#define result_append_string(DM, STRING) \
- (dyn_string_append (&(DM)->result->string, (STRING)) \
+/* Returns the position at which new text is inserted into the
+ demangled result. */
+#define result_caret_pos(DM) \
+ (result_length (DM) + \
+ ((string_list_t) result_string (DM))->caret_position)
+
+/* Adds a dyn_string_t to the demangled result. */
+#define result_add_string(DM, STRING) \
+ (dyn_string_insert (&(DM)->result->string, \
+ result_caret_pos (DM), (STRING)) \
? STATUS_OK : STATUS_ALLOCATION_FAILED)
-/* Appends NUL-terminated string CSTR to the demangled result. */
-#define result_append(DM, CSTR) \
- (dyn_string_append_cstr (&(DM)->result->string, (CSTR)) \
+/* Adds NUL-terminated string CSTR to the demangled result. */
+#define result_add(DM, CSTR) \
+ (dyn_string_insert_cstr (&(DM)->result->string, \
+ result_caret_pos (DM), (CSTR)) \
? STATUS_OK : STATUS_ALLOCATION_FAILED)
-/* Appends character CHAR to the demangled result. */
-#define result_append_char(DM, CHAR) \
- (dyn_string_append_char (&(DM)->result->string, (CHAR)) \
+/* Adds character CHAR to the demangled result. */
+#define result_add_char(DM, CHAR) \
+ (dyn_string_insert_char (&(DM)->result->string, \
+ result_caret_pos (DM), (CHAR)) \
? STATUS_OK : STATUS_ALLOCATION_FAILED)
/* Inserts a dyn_string_t to the demangled result at position POS. */
#define result_length(DM) \
dyn_string_length (&(DM)->result->string)
-/* Appends a space to the demangled result if the last character is
- not a space. */
-#define result_append_space(DM) \
- (dyn_string_append_space (&(DM)->result->string) \
- ? STATUS_OK : STATUS_ALLOCATION_FAILED)
-
/* Appends a (less-than, greater-than) character to the result in DM
to (open, close) a template argument or parameter list. Appends a
space first if necessary to prevent spurious elision of angle
int length;
{
string_list_t s = (string_list_t) malloc (sizeof (struct string_list_def));
+ s->caret_position = 0;
if (s == NULL)
return NULL;
if (!dyn_string_init ((dyn_string_t) s, length))
while (node != NULL)
{
string_list_t next = node->next;
- free (node);
+ dyn_string_delete ((dyn_string_t) node);
node = next;
}
}
demangling_t dm;
int character;
{
- dyn_string_t s = &dm->result->string;
+ char *result = dyn_string_buf (result_string (dm));
+ int caret_pos = result_caret_pos (dm);
- /* Add a space if the last character is already a closing angle
- bracket, so that a nested template arg list doesn't look like
- it's closed with a right-shift operator. */
- if (dyn_string_last_char (s) == character)
- {
- if (!dyn_string_append_char (s, ' '))
- return STATUS_ALLOCATION_FAILED;
- }
-
- /* Add closing angle brackets. */
- if (!dyn_string_append_char (s, character))
- return STATUS_ALLOCATION_FAILED;
+ /* Add a space if the last character is already the character we
+ want to add. */
+ if (caret_pos > 0 && result[caret_pos - 1] == character)
+ RETURN_IF_ERROR (result_add_char (dm, ' '));
+ /* Add the character. */
+ RETURN_IF_ERROR (result_add_char (dm, character));
return STATUS_OK;
}
return top;
}
+/* Returns the current value of the caret for the result string. The
+ value is an offet from the end of the result string. */
+
+static int
+result_get_caret (dm)
+ demangling_t dm;
+{
+ return ((string_list_t) result_string (dm))->caret_position;
+}
+
+/* Sets the value of the caret for the result string, counted as an
+ offet from the end of the result string. */
+
+static void
+result_set_caret (dm, position)
+ demangling_t dm;
+ int position;
+{
+ ((string_list_t) result_string (dm))->caret_position = position;
+}
+
+/* Shifts the position of the next addition to the result by
+ POSITION_OFFSET. A negative value shifts the caret to the left. */
+
+static void
+result_shift_caret (dm, position_offset)
+ demangling_t dm;
+ int position_offset;
+{
+ ((string_list_t) result_string (dm))->caret_position += position_offset;
+}
+
+/* Returns non-zero if the character that comes right before the place
+ where text will be added to the result is a space. In this case,
+ the caller should supress adding another space. */
+
+static int
+result_previous_char_is_space (dm)
+ demangling_t dm;
+{
+ char *result = dyn_string_buf (result_string (dm));
+ int pos = result_caret_pos (dm);
+ return pos > 0 && result[pos - 1] == ' ';
+}
+
/* Returns the start position of a fragment of the demangled result
that will be a substitution candidate. Should be called at the
start of productions that can add substitutions. */
substitution_start (dm)
demangling_t dm;
{
- return result_length (dm);
+ return result_caret_pos (dm);
}
/* Adds the suffix of the current demangled result of DM starting at
/* Extract the substring of the current demangling result that
represents the subsitution candidate. */
if (!dyn_string_substring (substitution,
- result, start_position, result_length (dm)))
+ result, start_position, result_caret_pos (dm)))
{
dyn_string_delete (substitution);
return STATUS_ALLOCATION_FAILED;
Returns NULL if allocation fails. */
static demangling_t
-demangling_new (name)
+demangling_new (name, style)
const char *name;
+ int style;
{
demangling_t dm;
dm = (demangling_t) malloc (sizeof (struct demangling_def));
dyn_string_delete (dm->last_source_name);
return NULL;
}
+ dm->style = style;
+ dm->is_constructor = (enum gnu_v3_ctor_kinds) 0;
+ dm->is_destructor = (enum gnu_v3_dtor_kinds) 0;
return dm;
}
static status_t demangle_identifier
PARAMS ((demangling_t, int, dyn_string_t));
static status_t demangle_operator_name
- PARAMS ((demangling_t, int, int *));
+ PARAMS ((demangling_t, int, int *, int *));
static status_t demangle_nv_offset
PARAMS ((demangling_t));
static status_t demangle_v_offset
static status_t demangle_class_enum_type
PARAMS ((demangling_t, int *));
static status_t demangle_array_type
- PARAMS ((demangling_t));
+ PARAMS ((demangling_t, int *));
static status_t demangle_template_param
PARAMS ((demangling_t));
static status_t demangle_template_args
static status_t demangle_discriminator
PARAMS ((demangling_t, int));
static status_t cp_demangle
- PARAMS ((const char *, dyn_string_t));
-#ifdef IN_LIBGCC2
+ PARAMS ((const char *, dyn_string_t, int));
static status_t cp_demangle_type
PARAMS ((const char*, dyn_string_t));
-#endif
/* When passed to demangle_bare_function_type, indicates that the
function's return type is not encoded before its parameter types. */
else
{
if (error_message == NULL)
- error_message = strdup ("Expected ?");
+ error_message = (char *) strdup ("Expected ?");
error_message[9] = c;
return error_message;
}
/* Remember where the name starts. If it turns out to be a template
function, we'll have to insert the return type here. */
- start_position = result_length (dm);
+ start_position = result_caret_pos (dm);
if (peek == 'G' || peek == 'T')
RETURN_IF_ERROR (demangle_special_name (dm));
RETURN_IF_ERROR (demangle_name (dm, &encode_return_type));
/* If there's anything left, the name was a function name, with
- maybe its return type, and its parameters types, following. */
+ maybe its return type, and its parameter types, following. */
if (!end_of_name_p (dm)
&& peek_char (dm) != 'E')
{
{
(void) next_char (dm);
(void) next_char (dm);
- RETURN_IF_ERROR (result_append (dm, "std::"));
+ RETURN_IF_ERROR (result_add (dm, "std::"));
RETURN_IF_ERROR
(demangle_unqualified_name (dm, &suppress_return_type));
is_std_substitution = 1;
peek = peek_char (dm);
if (peek == 'r' || peek == 'V' || peek == 'K')
{
+ dyn_string_t cv_qualifiers;
status_t status;
- /* Snarf up and emit CV qualifiers. */
- dyn_string_t cv_qualifiers = dyn_string_new (24);
+ /* Snarf up CV qualifiers. */
+ cv_qualifiers = dyn_string_new (24);
if (cv_qualifiers == NULL)
return STATUS_ALLOCATION_FAILED;
-
demangle_CV_qualifiers (dm, cv_qualifiers);
- status = result_append_string (dm, cv_qualifiers);
+
+ /* Emit them, preceded by a space. */
+ status = result_add_char (dm, ' ');
+ if (STATUS_NO_ERROR (status))
+ status = result_add_string (dm, cv_qualifiers);
+ /* The CV qualifiers that occur in a <nested-name> will be
+ qualifiers for member functions. These are placed at the end
+ of the function. Therefore, shift the caret to the left by
+ the length of the qualifiers, so other text is inserted
+ before them and they stay at the end. */
+ result_shift_caret (dm, -dyn_string_length (cv_qualifiers) - 1);
+ /* Clean up. */
dyn_string_delete (cv_qualifiers);
RETURN_IF_ERROR (status);
- RETURN_IF_ERROR (result_append_space (dm));
}
-
+
RETURN_IF_ERROR (demangle_prefix (dm, encode_return_type));
/* No need to demangle the final <unqualified-name>; demangle_prefix
will handle it. */
{
/* We have another level of scope qualification. */
if (nested)
- RETURN_IF_ERROR (result_append (dm, "::"));
+ RETURN_IF_ERROR (result_add (dm, NAMESPACE_SEPARATOR));
else
nested = 1;
if (peek == 'c' && peek_char_next (dm) == 'v')
*suppress_return_type = 1;
- RETURN_IF_ERROR (demangle_operator_name (dm, 0, &num_args));
+ RETURN_IF_ERROR (demangle_operator_name (dm, 0, &num_args, NULL));
}
else if (peek == 'C' || peek == 'D')
{
dm->last_source_name));
/* Emit it. */
- RETURN_IF_ERROR (result_append_string (dm, dm->last_source_name));
+ RETURN_IF_ERROR (result_add_string (dm, dm->last_source_name));
return STATUS_OK;
}
while (length-- > 0)
{
+ int ch;
if (end_of_name_p (dm))
return "Unexpected end of name in <identifier>.";
- if (!dyn_string_append_char (identifier, next_char (dm)))
+ ch = next_char (dm);
+
+ /* Handle extended Unicode characters. We encode them as __U{hex}_,
+ where {hex} omits leading 0's. For instance, '$' is encoded as
+ "__U24_". */
+ if (ch == '_'
+ && peek_char (dm) == '_'
+ && peek_char_next (dm) == 'U')
+ {
+ char buf[10];
+ int pos = 0;
+ advance_char (dm); advance_char (dm); length -= 2;
+ while (length-- > 0)
+ {
+ ch = next_char (dm);
+ if (!isxdigit (ch))
+ break;
+ buf[pos++] = ch;
+ }
+ if (ch != '_' || length < 0)
+ return STATUS_ERROR;
+ if (pos == 0)
+ {
+ /* __U_ just means __U. */
+ if (!dyn_string_append_cstr (identifier, "__U"))
+ return STATUS_ALLOCATION_FAILED;
+ continue;
+ }
+ else
+ {
+ buf[pos] = '\0';
+ ch = strtol (buf, 0, 16);
+ }
+ }
+
+ if (!dyn_string_append_char (identifier, ch))
return STATUS_ALLOCATION_FAILED;
}
/* Demangles and emits an <operator-name>. If SHORT_NAME is non-zero,
the short form is emitted; otherwise the full source form
(`operator +' etc.) is emitted. *NUM_ARGS is set to the number of
- operands that the operator takes.
+ operands that the operator takes. If TYPE_ARG is non-NULL,
+ *TYPE_ARG is set to 1 if the first argument is a type and 0
+ otherwise.
<operator-name>
::= nw # new
::= cl # ()
::= ix # []
::= qu # ?
- ::= sz # sizeof
+ ::= st # sizeof (a type)
+ ::= sz # sizeof (an expression)
::= cv <type> # cast
::= v [0-9] <source-name> # vendor extended operator */
static status_t
-demangle_operator_name (dm, short_name, num_args)
+demangle_operator_name (dm, short_name, num_args, type_arg)
demangling_t dm;
int short_name;
int *num_args;
+ int *type_arg;
{
struct operator_code
{
/* The mangled code for this operator. */
- const char *code;
+ const char *const code;
/* The source name of this operator. */
- const char *name;
+ const char *const name;
/* The number of arguments this operator takes. */
- int num_args;
+ const int num_args;
};
static const struct operator_code operators[] =
DEMANGLE_TRACE ("operator-name", dm);
+ /* Assume the first argument is not a type. */
+ if (type_arg)
+ *type_arg = 0;
+
/* Is this a vendor-extended operator? */
if (c0 == 'v' && IS_DIGIT (c1))
{
- RETURN_IF_ERROR (result_append (dm, "operator "));
+ RETURN_IF_ERROR (result_add (dm, "operator "));
RETURN_IF_ERROR (demangle_source_name (dm));
*num_args = 0;
return STATUS_OK;
/* Is this a conversion operator? */
if (c0 == 'c' && c1 == 'v')
{
- RETURN_IF_ERROR (result_append (dm, "operator "));
+ RETURN_IF_ERROR (result_add (dm, "operator "));
/* Demangle the converted-to type. */
RETURN_IF_ERROR (demangle_type (dm));
*num_args = 0;
return STATUS_OK;
}
+ /* Is it the sizeof variant that takes a type? */
+ if (c0 == 's' && c1 == 't')
+ {
+ RETURN_IF_ERROR (result_add (dm, " sizeof"));
+ *num_args = 1;
+ if (type_arg)
+ *type_arg = 1;
+ return STATUS_OK;
+ }
+
/* Perform a binary search for the operator code. */
while (1)
{
/* Found it. */
{
if (!short_name)
- RETURN_IF_ERROR (result_append (dm, "operator"));
- RETURN_IF_ERROR (result_append (dm, p->name));
+ RETURN_IF_ERROR (result_add (dm, "operator"));
+ RETURN_IF_ERROR (result_add (dm, p->name));
*num_args = p->num_args;
return STATUS_OK;
/* Don't display the offset unless in verbose mode. */
if (flag_verbose)
{
- status = result_append (dm, " [nv:");
+ status = result_add (dm, " [nv:");
if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, number);
+ status = result_add_string (dm, number);
if (STATUS_NO_ERROR (status))
- status = result_append_char (dm, ']');
+ status = result_add_char (dm, ']');
}
/* Clean up. */
/* Don't display the offset unless in verbose mode. */
if (flag_verbose)
{
- status = result_append (dm, " [v:");
+ status = result_add (dm, " [v:");
if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, number);
+ status = result_add_string (dm, number);
if (STATUS_NO_ERROR (status))
- result_append_char (dm, ',');
+ result_add_char (dm, ',');
}
dyn_string_delete (number);
RETURN_IF_ERROR (status);
/* Don't display the vcall offset unless in verbose mode. */
if (flag_verbose)
{
- status = result_append_string (dm, number);
+ status = result_add_string (dm, number);
if (STATUS_NO_ERROR (status))
- status = result_append_char (dm, ']');
+ status = result_add_char (dm, ']');
}
dyn_string_delete (number);
RETURN_IF_ERROR (status);
if (peek == 'G')
{
- /* A guard variable name. Consume the G. */
+ /* Consume the G. */
advance_char (dm);
- RETURN_IF_ERROR (demangle_char (dm, 'V'));
- RETURN_IF_ERROR (result_append (dm, "guard variable for "));
- RETURN_IF_ERROR (demangle_name (dm, &unused));
+ switch (peek_char (dm))
+ {
+ case 'V':
+ /* A guard variable name. */
+ advance_char (dm);
+ RETURN_IF_ERROR (result_add (dm, "guard variable for "));
+ RETURN_IF_ERROR (demangle_name (dm, &unused));
+ break;
+
+ case 'R':
+ /* A reference temporary. */
+ advance_char (dm);
+ RETURN_IF_ERROR (result_add (dm, "reference temporary for "));
+ RETURN_IF_ERROR (demangle_name (dm, &unused));
+ break;
+
+ default:
+ return "Unrecognized <special-name>.";
+ }
}
else if (peek == 'T')
{
case 'V':
/* Virtual table. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "vtable for "));
+ RETURN_IF_ERROR (result_add (dm, "vtable for "));
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'T':
/* VTT structure. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "VTT for "));
+ RETURN_IF_ERROR (result_add (dm, "VTT for "));
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'I':
/* Typeinfo structure. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "typeinfo for "));
+ RETURN_IF_ERROR (result_add (dm, "typeinfo for "));
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'F':
/* Typeinfo function. Used only in old ABI with new mangling. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "typeinfo fn for "));
+ RETURN_IF_ERROR (result_add (dm, "typeinfo fn for "));
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'S':
/* Character string containing type name, used in typeinfo. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "typeinfo name for "));
+ RETURN_IF_ERROR (result_add (dm, "typeinfo name for "));
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'J':
/* The java Class variable corresponding to a C++ class. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "java Class for "));
+ RETURN_IF_ERROR (result_add (dm, "java Class for "));
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'h':
/* Non-virtual thunk. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "non-virtual thunk"));
+ RETURN_IF_ERROR (result_add (dm, "non-virtual thunk"));
RETURN_IF_ERROR (demangle_nv_offset (dm));
/* Demangle the separator. */
RETURN_IF_ERROR (demangle_char (dm, '_'));
/* Demangle and emit the target name and function type. */
- RETURN_IF_ERROR (result_append (dm, " to "));
+ RETURN_IF_ERROR (result_add (dm, " to "));
RETURN_IF_ERROR (demangle_encoding (dm));
break;
case 'v':
/* Virtual thunk. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "virtual thunk"));
+ RETURN_IF_ERROR (result_add (dm, "virtual thunk"));
RETURN_IF_ERROR (demangle_v_offset (dm));
/* Demangle the separator. */
RETURN_IF_ERROR (demangle_char (dm, '_'));
/* Demangle and emit the target function. */
- RETURN_IF_ERROR (result_append (dm, " to "));
+ RETURN_IF_ERROR (result_add (dm, " to "));
RETURN_IF_ERROR (demangle_encoding (dm));
break;
case 'c':
/* Covariant return thunk. */
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "covariant return thunk"));
+ RETURN_IF_ERROR (result_add (dm, "covariant return thunk"));
RETURN_IF_ERROR (demangle_call_offset (dm));
RETURN_IF_ERROR (demangle_call_offset (dm));
/* Demangle and emit the target function. */
- RETURN_IF_ERROR (result_append (dm, " to "));
+ RETURN_IF_ERROR (result_add (dm, " to "));
RETURN_IF_ERROR (demangle_encoding (dm));
break;
dyn_string_t derived_type;
advance_char (dm);
- RETURN_IF_ERROR (result_append (dm, "construction vtable for "));
+ RETURN_IF_ERROR (result_add (dm, "construction vtable for "));
/* Demangle the derived type off to the side. */
RETURN_IF_ERROR (result_push (dm));
/* Emit the derived type. */
if (STATUS_NO_ERROR (status))
- status = result_append (dm, "-in-");
+ status = result_add (dm, "-in-");
if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, derived_type);
+ status = result_add_string (dm, derived_type);
dyn_string_delete (derived_type);
/* Don't display the offset unless in verbose mode. */
if (flag_verbose)
{
- status = result_append_char (dm, ' ');
+ status = result_add_char (dm, ' ');
if (STATUS_NO_ERROR (status))
- result_append_string (dm, number);
+ result_add_string (dm, number);
}
dyn_string_delete (number);
RETURN_IF_ERROR (status);
{
/* A constructor name. Consume the C. */
advance_char (dm);
- if (peek_char (dm) < '1' || peek_char (dm) > '3')
+ flavor = next_char (dm);
+ if (flavor < '1' || flavor > '3')
return "Unrecognized constructor.";
- RETURN_IF_ERROR (result_append_string (dm, dm->last_source_name));
+ RETURN_IF_ERROR (result_add_string (dm, dm->last_source_name));
+ switch (flavor)
+ {
+ case '1': dm->is_constructor = gnu_v3_complete_object_ctor;
+ break;
+ case '2': dm->is_constructor = gnu_v3_base_object_ctor;
+ break;
+ case '3': dm->is_constructor = gnu_v3_complete_object_allocating_ctor;
+ break;
+ }
/* Print the flavor of the constructor if in verbose mode. */
- flavor = next_char (dm) - '1';
if (flag_verbose)
{
- RETURN_IF_ERROR (result_append (dm, "["));
- RETURN_IF_ERROR (result_append (dm, ctor_flavors[flavor]));
- RETURN_IF_ERROR (result_append_char (dm, ']'));
+ RETURN_IF_ERROR (result_add (dm, "["));
+ RETURN_IF_ERROR (result_add (dm, ctor_flavors[flavor - '1']));
+ RETURN_IF_ERROR (result_add_char (dm, ']'));
}
}
else if (peek == 'D')
{
/* A destructor name. Consume the D. */
advance_char (dm);
- if (peek_char (dm) < '0' || peek_char (dm) > '2')
+ flavor = next_char (dm);
+ if (flavor < '0' || flavor > '2')
return "Unrecognized destructor.";
- RETURN_IF_ERROR (result_append_char (dm, '~'));
- RETURN_IF_ERROR (result_append_string (dm, dm->last_source_name));
+ RETURN_IF_ERROR (result_add_char (dm, '~'));
+ RETURN_IF_ERROR (result_add_string (dm, dm->last_source_name));
+ switch (flavor)
+ {
+ case '0': dm->is_destructor = gnu_v3_deleting_dtor;
+ break;
+ case '1': dm->is_destructor = gnu_v3_complete_object_dtor;
+ break;
+ case '2': dm->is_destructor = gnu_v3_base_object_dtor;
+ break;
+ }
/* Print the flavor of the destructor if in verbose mode. */
- flavor = next_char (dm) - '0';
if (flag_verbose)
{
- RETURN_IF_ERROR (result_append (dm, " ["));
- RETURN_IF_ERROR (result_append (dm, dtor_flavors[flavor]));
- RETURN_IF_ERROR (result_append_char (dm, ']'));
+ RETURN_IF_ERROR (result_add (dm, " ["));
+ RETURN_IF_ERROR (result_add (dm, dtor_flavors[flavor - '0']));
+ RETURN_IF_ERROR (result_add_char (dm, ']'));
}
}
else
int *insert_pos;
int substitution_start;
{
- char next;
status_t status;
int is_substitution_candidate = 1;
/* Scan forward, collecting pointers and references into symbols,
until we hit something else. Then emit the type. */
- next = peek_char (dm);
- if (next == 'P')
+ switch (peek_char (dm))
{
+ case 'P':
/* A pointer. Snarf the `P'. */
advance_char (dm);
/* Demangle the underlying type. */
RETURN_IF_ERROR (demangle_type_ptr (dm, insert_pos,
substitution_start));
/* Insert an asterisk where we're told to; it doesn't
- necessarily go at the end. */
- RETURN_IF_ERROR (result_insert_char (dm, *insert_pos, '*'));
+ necessarily go at the end. If we're doing Java style output,
+ there is no pointer symbol. */
+ if (dm->style != DMGL_JAVA)
+ RETURN_IF_ERROR (result_insert_char (dm, *insert_pos, '*'));
/* The next (outermost) pointer or reference character should go
after this one. */
++(*insert_pos);
- }
- else if (next == 'R')
- {
+ break;
+
+ case 'R':
/* A reference. Snarf the `R'. */
advance_char (dm);
/* Demangle the underlying type. */
/* The next (outermost) pointer or reference character should go
after this one. */
++(*insert_pos);
- }
- else if (next == 'M')
+ break;
+
+ case 'M':
{
/* A pointer-to-member. */
dyn_string_t class_type;
and set *insert_pos to the spot between the first
parentheses. */
status = demangle_type_ptr (dm, insert_pos, substitution_start);
+ else if (peek_char (dm) == 'A')
+ /* A pointer-to-member array variable. We want output that
+ looks like `int (Klass::*) [10]'. Demangle the array type
+ as `int () [10]', and set *insert_pos to the spot between
+ the parentheses. */
+ status = demangle_array_type (dm, insert_pos);
else
{
/* A pointer-to-member variable. Demangle the type of the
pointed-to member. */
status = demangle_type (dm);
/* Make it pretty. */
- if (STATUS_NO_ERROR (status))
- status = result_append_space (dm);
+ if (STATUS_NO_ERROR (status)
+ && !result_previous_char_is_space (dm))
+ status = result_add_char (dm, ' ');
/* The pointer-to-member notation (e.g. `C::*') follows the
member's type. */
- *insert_pos = result_length (dm);
+ *insert_pos = result_caret_pos (dm);
}
/* Build the pointer-to-member notation. */
RETURN_IF_ERROR (status);
}
- else if (next == 'F')
- {
+ break;
+
+ case 'F':
/* Ooh, tricky, a pointer-to-function. When we demangle the
function type, the return type should go at the very
beginning. */
- *insert_pos = result_length (dm);
+ *insert_pos = result_caret_pos (dm);
/* The parentheses indicate this is a function pointer or
reference type. */
- RETURN_IF_ERROR (result_append (dm, "()"));
+ RETURN_IF_ERROR (result_add (dm, "()"));
/* Now demangle the function type. The return type will be
inserted before the `()', and the argument list will go after
it. */
type. Move it one character over so it points inside the
`()'. */
++(*insert_pos);
- }
- else
- {
+ break;
+
+ case 'A':
+ /* An array pointer or reference. demangle_array_type will figure
+ out where the asterisks and ampersands go. */
+ RETURN_IF_ERROR (demangle_array_type (dm, insert_pos));
+ break;
+
+ default:
/* No more pointer or reference tokens; this is therefore a
pointer to data. Finish up by demangling the underlying
type. */
RETURN_IF_ERROR (demangle_type (dm));
/* The pointer or reference characters follow the underlying
type, as in `int*&'. */
- *insert_pos = result_length (dm);
+ *insert_pos = result_caret_pos (dm);
/* Because of the production <type> ::= <substitution>,
demangle_type will already have added the underlying type as
a substitution candidate. Don't do it again. */
is_substitution_candidate = 0;
+ break;
}
if (is_substitution_candidate)
{
status_t status;
dyn_string_t cv_qualifiers = dyn_string_new (24);
+ int old_caret_position = result_get_caret (dm);
if (cv_qualifiers == NULL)
return STATUS_ALLOCATION_FAILED;
+ /* Decode all adjacent CV qualifiers. */
demangle_CV_qualifiers (dm, cv_qualifiers);
-
- /* If the qualifiers apply to a pointer or reference, they
- need to come after the whole qualified type. */
- if (peek_char (dm) == 'P' || peek_char (dm) == 'R')
- {
- status = demangle_type (dm);
- if (STATUS_NO_ERROR (status))
- status = result_append_space (dm);
- if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, cv_qualifiers);
- }
- /* Otherwise, the qualifiers come first. */
- else
- {
- status = result_append_string (dm, cv_qualifiers);
- if (STATUS_NO_ERROR (status))
- status = result_append_space (dm);
- if (STATUS_NO_ERROR (status))
- status = demangle_type (dm);
- }
-
+ /* Emit them, and shift the caret left so that the
+ underlying type will be emitted before the qualifiers. */
+ status = result_add_string (dm, cv_qualifiers);
+ result_shift_caret (dm, -dyn_string_length (cv_qualifiers));
+ /* Clean up. */
dyn_string_delete (cv_qualifiers);
RETURN_IF_ERROR (status);
+ /* Also prepend a blank, if needed. */
+ RETURN_IF_ERROR (result_add_char (dm, ' '));
+ result_shift_caret (dm, -1);
+
+ /* Demangle the underlying type. It will be emitted before
+ the CV qualifiers, since we moved the caret. */
+ RETURN_IF_ERROR (demangle_type (dm));
+
+ /* Put the caret back where it was previously. */
+ result_set_caret (dm, old_caret_position);
}
break;
return "Non-pointer or -reference function type.";
case 'A':
- RETURN_IF_ERROR (demangle_array_type (dm));
+ RETURN_IF_ERROR (demangle_array_type (dm, NULL));
break;
case 'T':
case 'C':
/* A C99 complex type. */
- RETURN_IF_ERROR (result_append (dm, "complex "));
+ RETURN_IF_ERROR (result_add (dm, "complex "));
advance_char (dm);
RETURN_IF_ERROR (demangle_type (dm));
break;
case 'G':
/* A C99 imaginary type. */
- RETURN_IF_ERROR (result_append (dm, "imaginary "));
+ RETURN_IF_ERROR (result_add (dm, "imaginary "));
advance_char (dm);
RETURN_IF_ERROR (demangle_type (dm));
break;
/* Vendor-extended type qualifier. */
advance_char (dm);
RETURN_IF_ERROR (demangle_source_name (dm));
- RETURN_IF_ERROR (result_append_char (dm, ' '));
+ RETURN_IF_ERROR (result_add_char (dm, ' '));
RETURN_IF_ERROR (demangle_type (dm));
break;
"..." /* z */
};
+/* Java source names of builtin types. Types that arn't valid in Java
+ are also included here - we don't fail if someone attempts to demangle a
+ C++ symbol in Java style. */
+static const char *const java_builtin_type_names[26] =
+{
+ "signed char", /* a */
+ "boolean", /* C++ "bool" */ /* b */
+ "byte", /* C++ "char" */ /* c */
+ "double", /* d */
+ "long double", /* e */
+ "float", /* f */
+ "__float128", /* g */
+ "unsigned char", /* h */
+ "int", /* i */
+ "unsigned", /* j */
+ NULL, /* k */
+ "long", /* l */
+ "unsigned long", /* m */
+ "__int128", /* n */
+ "unsigned __int128", /* o */
+ NULL, /* p */
+ NULL, /* q */
+ NULL, /* r */
+ "short", /* s */
+ "unsigned short", /* t */
+ NULL, /* u */
+ "void", /* v */
+ "char", /* C++ "wchar_t" */ /* w */
+ "long", /* C++ "long long" */ /* x */
+ "unsigned long long", /* y */
+ "..." /* z */
+};
+
/* Demangles and emits a <builtin-type>.
<builtin-type> ::= v # void
}
else if (code >= 'a' && code <= 'z')
{
- const char *type_name = builtin_type_names[code - 'a'];
+ const char *type_name;
+ /* Java uses different names for some built-in types. */
+ if (dm->style == DMGL_JAVA)
+ type_name = java_builtin_type_names[code - 'a'];
+ else
+ type_name = builtin_type_names[code - 'a'];
if (type_name == NULL)
return "Unrecognized <builtin-type> code.";
- RETURN_IF_ERROR (result_append (dm, type_name));
+ RETURN_IF_ERROR (result_add (dm, type_name));
advance_char (dm);
return STATUS_OK;
}
{
/* Indicate this function has C linkage if in verbose mode. */
if (flag_verbose)
- RETURN_IF_ERROR (result_append (dm, " [extern \"C\"] "));
+ RETURN_IF_ERROR (result_add (dm, " [extern \"C\"] "));
advance_char (dm);
}
RETURN_IF_ERROR (demangle_bare_function_type (dm, function_name_pos));
DEMANGLE_TRACE ("bare-function-type", dm);
- RETURN_IF_ERROR (result_append_char (dm, '('));
+ RETURN_IF_ERROR (result_add_char (dm, '('));
while (!end_of_name_p (dm) && peek_char (dm) != 'E')
{
if (sequence == -1)
{
/* Separate parameter types by commas. */
if (sequence > 0)
- RETURN_IF_ERROR (result_append (dm, ", "));
+ RETURN_IF_ERROR (result_add (dm, ", "));
/* Demangle the type. */
RETURN_IF_ERROR (demangle_type (dm));
}
++sequence;
}
- RETURN_IF_ERROR (result_append_char (dm, ')'));
+ RETURN_IF_ERROR (result_add_char (dm, ')'));
/* We should have demangled at least one parameter type (which would
be void, for a function that takes no parameters), plus the
/* Demangles and emits an <array-type>.
+ If PTR_INSERT_POS is not NULL, the array type is formatted as a
+ pointer or reference to an array, except that asterisk and
+ ampersand punctuation is omitted (since it's not know at this
+ point). *PTR_INSERT_POS is set to the position in the demangled
+ name at which this punctuation should be inserted. For example,
+ `A10_i' is demangled to `int () [10]' and *PTR_INSERT_POS points
+ between the parentheses.
+
+ If PTR_INSERT_POS is NULL, the array type is assumed not to be
+ pointer- or reference-qualified. Then, for example, `A10_i' is
+ demangled simply as `int[10]'.
+
<array-type> ::= A [<dimension number>] _ <element type>
::= A <dimension expression> _ <element type> */
static status_t
-demangle_array_type (dm)
+demangle_array_type (dm, ptr_insert_pos)
demangling_t dm;
+ int *ptr_insert_pos;
{
status_t status = STATUS_OK;
dyn_string_t array_size = NULL;
char peek;
+ DEMANGLE_TRACE ("array-type", dm);
+
RETURN_IF_ERROR (demangle_char (dm, 'A'));
/* Demangle the array size into array_size. */
if (STATUS_NO_ERROR (status))
status = demangle_type (dm);
+ if (ptr_insert_pos != NULL)
+ {
+ /* This array is actually part of an pointer- or
+ reference-to-array type. Format appropriately, except we
+ don't know which and how much punctuation to use. */
+ if (STATUS_NO_ERROR (status))
+ status = result_add (dm, " () ");
+ /* Let the caller know where to insert the punctuation. */
+ *ptr_insert_pos = result_caret_pos (dm) - 2;
+ }
+
/* Emit the array dimension syntax. */
if (STATUS_NO_ERROR (status))
- status = result_append_char (dm, '[');
+ status = result_add_char (dm, '[');
if (STATUS_NO_ERROR (status) && array_size != NULL)
- status = result_append_string (dm, array_size);
+ status = result_add_string (dm, array_size);
if (STATUS_NO_ERROR (status))
- status = result_append_char (dm, ']');
+ status = result_add_char (dm, ']');
if (array_size != NULL)
dyn_string_delete (array_size);
/* parm_number exceeded the number of arguments in the current
template argument list. */
return "Template parameter number out of bounds.";
- RETURN_IF_ERROR (result_append_string (dm, (dyn_string_t) arg));
+ RETURN_IF_ERROR (result_add_string (dm, (dyn_string_t) arg));
return STATUS_OK;
}
if (first)
first = 0;
else
- RETURN_IF_ERROR (result_append (dm, ", "));
+ RETURN_IF_ERROR (result_add (dm, ", "));
/* Capture the template arg. */
RETURN_IF_ERROR (result_push (dm));
arg = result_pop (dm);
/* Emit it in the demangled name. */
- RETURN_IF_ERROR (result_append_string (dm, (dyn_string_t) arg));
+ RETURN_IF_ERROR (result_add_string (dm, (dyn_string_t) arg));
/* Save it for use in expanding <template-param>s. */
template_arg_list_add_arg (arg_list, arg);
corresponding to false or true, respectively. */
value = peek_char (dm);
if (value == '0')
- RETURN_IF_ERROR (result_append (dm, "false"));
+ RETURN_IF_ERROR (result_add (dm, "false"));
else if (value == '1')
- RETURN_IF_ERROR (result_append (dm, "true"));
+ RETURN_IF_ERROR (result_add (dm, "true"));
else
return "Unrecognized bool constant.";
/* Consume the 0 or 1. */
value_string = dyn_string_new (0);
status = demangle_number_literally (dm, value_string, 10, 1);
if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, value_string);
+ status = result_add_string (dm, value_string);
/* For long integers, append an l. */
if (code == 'l' && STATUS_NO_ERROR (status))
- status = result_append_char (dm, code);
+ status = result_add_char (dm, code);
dyn_string_delete (value_string);
RETURN_IF_ERROR (status);
literal's type explicitly using cast syntax. */
}
- RETURN_IF_ERROR (result_append_char (dm, '('));
+ RETURN_IF_ERROR (result_add_char (dm, '('));
RETURN_IF_ERROR (demangle_type (dm));
- RETURN_IF_ERROR (result_append_char (dm, ')'));
+ RETURN_IF_ERROR (result_add_char (dm, ')'));
value_string = dyn_string_new (0);
if (value_string == NULL)
status = demangle_number_literally (dm, value_string, 10, 1);
if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, value_string);
+ status = result_add_string (dm, value_string);
dyn_string_delete (value_string);
RETURN_IF_ERROR (status);
/* An operator expression. */
{
int num_args;
+ int type_arg;
status_t status = STATUS_OK;
dyn_string_t operator_name;
operations in infix notation, capture the operator name
first. */
RETURN_IF_ERROR (result_push (dm));
- RETURN_IF_ERROR (demangle_operator_name (dm, 1, &num_args));
+ RETURN_IF_ERROR (demangle_operator_name (dm, 1, &num_args,
+ &type_arg));
operator_name = (dyn_string_t) result_pop (dm);
/* If it's binary, do an operand first. */
if (num_args > 1)
{
- status = result_append_char (dm, '(');
+ status = result_add_char (dm, '(');
if (STATUS_NO_ERROR (status))
status = demangle_expression (dm);
if (STATUS_NO_ERROR (status))
- status = result_append_char (dm, ')');
+ status = result_add_char (dm, ')');
}
/* Emit the operator. */
if (STATUS_NO_ERROR (status))
- status = result_append_string (dm, operator_name);
+ status = result_add_string (dm, operator_name);
dyn_string_delete (operator_name);
RETURN_IF_ERROR (status);
/* Emit its second (if binary) or only (if unary) operand. */
- RETURN_IF_ERROR (result_append_char (dm, '('));
- RETURN_IF_ERROR (demangle_expression (dm));
- RETURN_IF_ERROR (result_append_char (dm, ')'));
+ RETURN_IF_ERROR (result_add_char (dm, '('));
+ if (type_arg)
+ RETURN_IF_ERROR (demangle_type (dm));
+ else
+ RETURN_IF_ERROR (demangle_expression (dm));
+ RETURN_IF_ERROR (result_add_char (dm, ')'));
/* The ternary operator takes a third operand. */
if (num_args == 3)
{
- RETURN_IF_ERROR (result_append (dm, ":("));
+ RETURN_IF_ERROR (result_add (dm, ":("));
RETURN_IF_ERROR (demangle_expression (dm));
- RETURN_IF_ERROR (result_append_char (dm, ')'));
+ RETURN_IF_ERROR (result_add_char (dm, ')'));
}
}
RETURN_IF_ERROR (demangle_char (dm, 's'));
RETURN_IF_ERROR (demangle_char (dm, 'r'));
RETURN_IF_ERROR (demangle_type (dm));
- RETURN_IF_ERROR (result_append (dm, "::"));
+ RETURN_IF_ERROR (result_add (dm, "::"));
RETURN_IF_ERROR (demangle_encoding (dm));
return STATUS_OK;
}
switch (peek)
{
case 't':
- RETURN_IF_ERROR (result_append (dm, "std"));
+ RETURN_IF_ERROR (result_add (dm, "std"));
break;
case 'a':
- RETURN_IF_ERROR (result_append (dm, "std::allocator"));
+ RETURN_IF_ERROR (result_add (dm, "std::allocator"));
new_last_source_name = "allocator";
*template_p = 1;
break;
case 'b':
- RETURN_IF_ERROR (result_append (dm, "std::basic_string"));
+ RETURN_IF_ERROR (result_add (dm, "std::basic_string"));
new_last_source_name = "basic_string";
*template_p = 1;
break;
case 's':
if (!flag_verbose)
{
- RETURN_IF_ERROR (result_append (dm, "std::string"));
+ RETURN_IF_ERROR (result_add (dm, "std::string"));
new_last_source_name = "string";
}
else
{
- RETURN_IF_ERROR (result_append (dm, "std::basic_string<char, std::char_traits<char>, std::allocator<char> >"));
+ RETURN_IF_ERROR (result_add (dm, "std::basic_string<char, std::char_traits<char>, std::allocator<char> >"));
new_last_source_name = "basic_string";
}
*template_p = 0;
case 'i':
if (!flag_verbose)
{
- RETURN_IF_ERROR (result_append (dm, "std::istream"));
+ RETURN_IF_ERROR (result_add (dm, "std::istream"));
new_last_source_name = "istream";
}
else
{
- RETURN_IF_ERROR (result_append (dm, "std::basic_istream<char, std::char_traints<char> >"));
+ RETURN_IF_ERROR (result_add (dm, "std::basic_istream<char, std::char_traints<char> >"));
new_last_source_name = "basic_istream";
}
*template_p = 0;
case 'o':
if (!flag_verbose)
{
- RETURN_IF_ERROR (result_append (dm, "std::ostream"));
+ RETURN_IF_ERROR (result_add (dm, "std::ostream"));
new_last_source_name = "ostream";
}
else
{
- RETURN_IF_ERROR (result_append (dm, "std::basic_ostream<char, std::char_traits<char> >"));
+ RETURN_IF_ERROR (result_add (dm, "std::basic_ostream<char, std::char_traits<char> >"));
new_last_source_name = "basic_ostream";
}
*template_p = 0;
case 'd':
if (!flag_verbose)
{
- RETURN_IF_ERROR (result_append (dm, "std::iostream"));
+ RETURN_IF_ERROR (result_add (dm, "std::iostream"));
new_last_source_name = "iostream";
}
else
{
- RETURN_IF_ERROR (result_append (dm, "std::basic_iostream<char, std::char_traits<char> >"));
+ RETURN_IF_ERROR (result_add (dm, "std::basic_iostream<char, std::char_traits<char> >"));
new_last_source_name = "basic_iostream";
}
*template_p = 0;
return "Substitution number out of range.";
/* Emit the substitution text. */
- RETURN_IF_ERROR (result_append_string (dm, text));
+ RETURN_IF_ERROR (result_add_string (dm, text));
RETURN_IF_ERROR (demangle_char (dm, '_'));
return STATUS_OK;
RETURN_IF_ERROR (demangle_char (dm, 'Z'));
RETURN_IF_ERROR (demangle_encoding (dm));
RETURN_IF_ERROR (demangle_char (dm, 'E'));
- RETURN_IF_ERROR (result_append (dm, "::"));
+ RETURN_IF_ERROR (result_add (dm, "::"));
if (peek_char (dm) == 's')
{
/* Local character string literal. */
- RETURN_IF_ERROR (result_append (dm, "string literal"));
+ RETURN_IF_ERROR (result_add (dm, "string literal"));
/* Consume the s. */
advance_char (dm);
RETURN_IF_ERROR (demangle_discriminator (dm, 0));
/* Consume the underscore. */
advance_char (dm);
if (flag_verbose)
- RETURN_IF_ERROR (result_append (dm, " [#"));
+ RETURN_IF_ERROR (result_add (dm, " [#"));
/* Check if there's a number following the underscore. */
if (IS_DIGIT ((unsigned char) peek_char (dm)))
{
/* Write the discriminator. The mangled number is two
less than the discriminator ordinal, counting from
zero. */
- RETURN_IF_ERROR (int_to_dyn_string (discriminator + 2,
+ RETURN_IF_ERROR (int_to_dyn_string (discriminator + 1,
(dyn_string_t) dm->result));
}
else
- {
- if (flag_verbose)
- /* A missing digit correspond to one. */
- RETURN_IF_ERROR (result_append_char (dm, '1'));
- }
+ return STATUS_ERROR;
if (flag_verbose)
- RETURN_IF_ERROR (result_append_char (dm, ']'));
+ RETURN_IF_ERROR (result_add_char (dm, ']'));
}
else if (!suppress_first)
{
if (flag_verbose)
- RETURN_IF_ERROR (result_append (dm, " [#0]"));
+ RETURN_IF_ERROR (result_add (dm, " [#0]"));
}
return STATUS_OK;
an error message, and the contents of RESULT are unchanged. */
static status_t
-cp_demangle (name, result)
+cp_demangle (name, result, style)
const char *name;
dyn_string_t result;
+ int style;
{
status_t status;
int length = strlen (name);
if (length > 2 && name[0] == '_' && name[1] == 'Z')
{
- demangling_t dm = demangling_new (name);
+ demangling_t dm = demangling_new (name, style);
if (dm == NULL)
return STATUS_ALLOCATION_FAILED;
dyn_string_t. On success, returns STATUS_OK. On failiure, returns
an error message, and the contents of RESULT are unchanged. */
-#ifdef IN_LIBGCC2
static status_t
cp_demangle_type (type_name, result)
const char* type_name;
dyn_string_t result;
{
status_t status;
- demangling_t dm = demangling_new (type_name);
+ demangling_t dm = demangling_new (type_name, DMGL_GNU_V3);
if (dm == NULL)
return STATUS_ALLOCATION_FAILED;
return status;
}
+#if defined(IN_LIBGCC2) || defined(IN_GLIBCPP_V3)
extern char *__cxa_demangle PARAMS ((const char *, char *, size_t *, int *));
-/* ABI-mandated entry point in the C++ runtime library for performing
+/* ia64 ABI-mandated entry point in the C++ runtime library for performing
demangling. MANGLED_NAME is a NUL-terminated character string
containing the name to be demangled.
if (mangled_name[0] == '_' && mangled_name[1] == 'Z')
/* MANGLED_NAME apprears to be a function or variable name.
Demangle it accordingly. */
- result = cp_demangle (mangled_name, &demangled_name);
+ result = cp_demangle (mangled_name, &demangled_name, 0);
else
/* Try to demangled MANGLED_NAME as the name of a type. */
result = cp_demangle_type (mangled_name, &demangled_name);
}
}
-#else /* !IN_LIBGCC2 */
+#else /* ! (IN_LIBGCC2 || IN_GLIBCPP_V3) */
/* Variant entry point for integration with the existing cplus-dem
demangler. Attempts to demangle MANGLED. If the demangling
If the demangling failes, returns NULL. */
char *
-cplus_demangle_new_abi (mangled)
+cplus_demangle_v3 (mangled, options)
const char* mangled;
+ int options;
{
+ dyn_string_t demangled;
+ status_t status;
+ int type = !!(options & DMGL_TYPES);
+
+ if (mangled[0] == '_' && mangled[1] == 'Z')
+ /* It is not a type. */
+ type = 0;
+ else
+ {
+ /* It is a type. Stop if we don't want to demangle types. */
+ if (!type)
+ return NULL;
+ }
+
+ flag_verbose = !!(options & DMGL_VERBOSE);
+
/* Create a dyn_string to hold the demangled name. */
- dyn_string_t demangled = dyn_string_new (0);
+ demangled = dyn_string_new (0);
/* Attempt the demangling. */
- status_t status = cp_demangle ((char *) mangled, demangled);
+ if (!type)
+ /* Appears to be a function or variable name. */
+ status = cp_demangle (mangled, demangled, 0);
+ else
+ /* Try to demangle it as the name of a type. */
+ status = cp_demangle_type (mangled, demangled);
+
if (STATUS_NO_ERROR (status))
/* Demangling succeeded. */
{
}
}
-#endif /* IN_LIBGCC2 */
+/* 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[]. */
+
+char *
+java_demangle_v3 (mangled)
+ const char* mangled;
+{
+ dyn_string_t demangled;
+ char *next;
+ char *end;
+ int len;
+ status_t status;
+ int nesting = 0;
+ char *cplus_demangled;
+ char *return_value;
+
+ /* Create a dyn_string to hold the demangled name. */
+ demangled = dyn_string_new (0);
+
+ /* Attempt the demangling. */
+ status = cp_demangle ((char *) mangled, demangled, DMGL_JAVA);
+
+ if (STATUS_NO_ERROR (status))
+ /* Demangling succeeded. */
+ {
+ /* Grab the demangled result from the dyn_string. */
+ cplus_demangled = dyn_string_release (demangled);
+ }
+ else if (status == STATUS_ALLOCATION_FAILED)
+ {
+ fprintf (stderr, "Memory allocation failed.\n");
+ abort ();
+ }
+ else
+ /* Demangling failed. */
+ {
+ dyn_string_delete (demangled);
+ return NULL;
+ }
+
+ len = strlen (cplus_demangled);
+ next = cplus_demangled;
+ end = next + len;
+ demangled = NULL;
+
+ /* Replace occurances of JArray<TYPE> with TYPE[]. */
+ while (next < end)
+ {
+ char *open_str = strstr (next, "JArray<");
+ char *close_str = NULL;
+ if (nesting > 0)
+ close_str = strchr (next, '>');
+
+ if (open_str != NULL && (close_str == NULL || close_str > open_str))
+ {
+ ++nesting;
+
+ if (!demangled)
+ demangled = dyn_string_new(len);
+
+ /* Copy prepending symbols, if any. */
+ if (open_str > next)
+ {
+ open_str[0] = 0;
+ dyn_string_append_cstr (demangled, next);
+ }
+ next = open_str + 7;
+ }
+ else if (close_str != NULL)
+ {
+ --nesting;
+
+ /* Copy prepending type symbol, if any. Squash any spurious
+ whitespace. */
+ if (close_str > next && next[0] != ' ')
+ {
+ close_str[0] = 0;
+ dyn_string_append_cstr (demangled, next);
+ }
+ dyn_string_append_cstr (demangled, "[]");
+ next = close_str + 1;
+ }
+ else
+ {
+ /* There are no more arrays. Copy the rest of the symbol, or
+ simply return the original symbol if no changes were made. */
+ if (next == cplus_demangled)
+ return cplus_demangled;
+
+ dyn_string_append_cstr (demangled, next);
+ next = end;
+ }
+ }
+
+ free (cplus_demangled);
+
+ if (demangled)
+ return_value = dyn_string_release (demangled);
+ else
+ return_value = NULL;
+
+ return return_value;
+}
+
+#endif /* IN_LIBGCC2 || IN_GLIBCPP_V3 */
+
+
+#ifndef IN_GLIBCPP_V3
+/* Demangle NAME in the G++ V3 ABI demangling style, and return either
+ zero, indicating that some error occurred, or a demangling_t
+ holding the results. */
+static demangling_t
+demangle_v3_with_details (name)
+ const char *name;
+{
+ demangling_t dm;
+ status_t status;
+
+ if (strncmp (name, "_Z", 2))
+ return 0;
+
+ dm = demangling_new (name, DMGL_GNU_V3);
+ if (dm == NULL)
+ {
+ fprintf (stderr, "Memory allocation failed.\n");
+ abort ();
+ }
+
+ status = result_push (dm);
+ if (! STATUS_NO_ERROR (status))
+ {
+ demangling_delete (dm);
+ fprintf (stderr, "%s\n", status);
+ abort ();
+ }
+
+ status = demangle_mangled_name (dm);
+ if (STATUS_NO_ERROR (status))
+ return dm;
+
+ demangling_delete (dm);
+ return 0;
+}
+
+
+/* Return non-zero iff NAME is the mangled form of a constructor name
+ in the G++ V3 ABI demangling style. Specifically, return:
+ - '1' if NAME is a complete object constructor,
+ - '2' if NAME is a base object constructor, or
+ - '3' if NAME is a complete object allocating constructor. */
+enum gnu_v3_ctor_kinds
+is_gnu_v3_mangled_ctor (name)
+ const char *name;
+{
+ demangling_t dm = demangle_v3_with_details (name);
+
+ if (dm)
+ {
+ enum gnu_v3_ctor_kinds result = dm->is_constructor;
+ demangling_delete (dm);
+ return result;
+ }
+ else
+ return (enum gnu_v3_ctor_kinds) 0;
+}
+
+
+/* Return non-zero iff NAME is the mangled form of a destructor name
+ in the G++ V3 ABI demangling style. Specifically, return:
+ - '0' if NAME is a deleting destructor,
+ - '1' if NAME is a complete object destructor, or
+ - '2' if NAME is a base object destructor. */
+enum gnu_v3_dtor_kinds
+is_gnu_v3_mangled_dtor (name)
+ const char *name;
+{
+ demangling_t dm = demangle_v3_with_details (name);
+
+ if (dm)
+ {
+ enum gnu_v3_dtor_kinds result = dm->is_destructor;
+ demangling_delete (dm);
+ return result;
+ }
+ else
+ return (enum gnu_v3_dtor_kinds) 0;
+}
+#endif /* IN_GLIBCPP_V3 */
+
#ifdef STANDALONE_DEMANGLER
}
/* Option specification for getopt_long. */
-static struct option long_options[] =
+static const struct option long_options[] =
{
{ "help", no_argument, NULL, 'h' },
{ "strict", no_argument, NULL, 's' },
}
/* Attempt to demangle the name. */
- status = cp_demangle (dyn_string_buf (mangled), demangled);
+ status = cp_demangle (dyn_string_buf (mangled), demangled, 0);
/* If the demangling succeeded, great! Print out the
demangled version. */
for (i = optind; i < argc; ++i)
{
/* Attempt to demangle. */
- status = cp_demangle (argv[i], result);
+ status = cp_demangle (argv[i], result, 0);
/* If it worked, print the demangled name. */
if (STATUS_NO_ERROR (status))
/* Abort on allocaiton failures. */
else if (status == STATUS_ALLOCATION_FAILED)
{
- fprintf (stderr, "Memory allocaiton failed.\n");
+ fprintf (stderr, "Memory allocation failed.\n");
abort ();
}
/* If not, print the error message to stderr instead. */