/* Demangler for GNU C++
- Copyright 1989, 91, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1989, 1991, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.uucp)
Rewritten by Fred Fish (fnf@cygnus.com) for ARM and Lucid demangling
Modified by Satish Pai (pai@apollo.hp.com) for HP demangling
#include "libiberty.h"
+static char *ada_demangle PARAMS ((const char *, int));
+
#define min(X,Y) (((X) < (Y)) ? (X) : (Y))
/* A value at least one greater than the maximum number of characters
"GNU (g++) new-ABI-style demangling"
}
,
+ {
+ JAVA_DEMANGLING_STYLE_STRING,
+ java_demangling,
+ "Java style demangling"
+ }
+ ,
+ {
+ GNAT_DEMANGLING_STYLE_STRING,
+ gnat_demangling,
+ "GNAT style demangling"
+ }
+ ,
{
NULL, unknown_demangling, NULL
}
/* Prototypes for local functions */
+static void
+delete_work_stuff PARAMS ((struct work_stuff *));
+
+static void
+delete_non_B_K_work_stuff PARAMS ((struct work_stuff *));
+
static char *
mop_up PARAMS ((struct work_stuff *, string *, int));
static void
squangle_mop_up PARAMS ((struct work_stuff *));
+static void
+work_stuff_copy_to_from PARAMS ((struct work_stuff *, struct work_stuff *));
+
#if 0
static int
demangle_method_args PARAMS ((struct work_stuff *, const char **, string *));
demangle_function_name PARAMS ((struct work_stuff *, const char **, string *,
const char *));
+static int
+iterate_demangle_function PARAMS ((struct work_stuff *,
+ const char **, string *, const char *));
+
static void
remember_type PARAMS ((struct work_stuff *, const char *, int));
recursively_demangle PARAMS ((struct work_stuff *, const char **, string *,
int));
+static void
+grow_vect PARAMS ((void **, size_t *, size_t, int));
+
/* Translate count to integer, consuming tokens in the process.
Conversion terminates on the first non-digit character.
{
/* Operator. */
size_t i;
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
if (strlen (optable[i].in) == 2
&& memcmp (optable[i].in, opname + 2, 2) == 0)
{
/* Assignment. */
size_t i;
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
if (strlen (optable[i].in) == 3
&& memcmp (optable[i].in, opname + 2, 3) == 0)
&& memcmp (opname + 3, "assign_", 7) == 0)
{
size_t i;
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
len1 = len - 10;
if ((int) strlen (optable[i].in) == len1
else
{
size_t i;
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
len1 = len - 3;
if ((int) strlen (optable[i].in) == len1
int len;
len = strlen (opname);
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
if ((int) strlen (optable[i].out) == len
&& (options & DMGL_ANSI) == (optable[i].flags & DMGL_ANSI)
char *ret;
struct work_stuff work[1];
memset ((char *) work, 0, sizeof (work));
- work -> options = options;
- if ((work -> options & DMGL_STYLE_MASK) == 0)
- work -> options |= (int) current_demangling_style & DMGL_STYLE_MASK;
+ work->options = options;
+ if ((work->options & DMGL_STYLE_MASK) == 0)
+ work->options |= (int) current_demangling_style & DMGL_STYLE_MASK;
/* The new-ABI demangling is implemented elsewhere. */
if (GNU_NEW_ABI_DEMANGLING)
return cplus_demangle_new_abi (mangled);
+ if (GNAT_DEMANGLING)
+ return ada_demangle(mangled,options);
+
ret = internal_cplus_demangle (work, mangled);
squangle_mop_up (work);
return (ret);
}
+/* Assuming *OLD_VECT points to an array of *SIZE objects of size
+ ELEMENT_SIZE, grow it to contain at least MIN_SIZE objects,
+ updating *OLD_VECT and *SIZE as necessary. */
+
+static void
+grow_vect (old_vect, size, min_size, element_size)
+ void **old_vect;
+ size_t *size;
+ size_t min_size;
+ int element_size;
+{
+ if (*size < min_size)
+ {
+ *size *= 2;
+ if (*size < min_size)
+ *size = min_size;
+ *old_vect = xrealloc (*old_vect, *size * element_size);
+ }
+}
+
+/* Demangle ada names:
+ 1. Discard final __{DIGIT}+ or ${DIGIT}+
+ 2. Convert other instances of embedded "__" to `.'.
+ 3. Discard leading _ada_.
+ 4. Remove everything after first ___ if it is followed by 'X'.
+ 5. Put symbols that should be suppressed in <...> brackets.
+ The resulting string is valid until the next call of ada_demangle. */
+
+static char *
+ada_demangle (mangled, option)
+ const char *mangled;
+ int option ATTRIBUTE_UNUSED;
+{
+ int i, j;
+ int len0;
+ const char* p;
+ char *demangled = NULL;
+ int at_start_name;
+ int changed;
+ char *demangling_buffer = NULL;
+ size_t demangling_buffer_size = 0;
+
+ changed = 0;
+
+ if (strncmp (mangled, "_ada_", 5) == 0)
+ {
+ mangled += 5;
+ changed = 1;
+ }
+
+ if (mangled[0] == '_' || mangled[0] == '<')
+ goto Suppress;
+
+ p = strstr (mangled, "___");
+ if (p == NULL)
+ len0 = strlen (mangled);
+ else
+ {
+ if (p[3] == 'X')
+ {
+ len0 = p - mangled;
+ changed = 1;
+ }
+ else
+ goto Suppress;
+ }
+
+ /* Make demangled big enough for possible expansion by operator name. */
+ grow_vect ((void **) &(demangling_buffer),
+ &demangling_buffer_size, 2 * len0 + 1,
+ sizeof (char));
+ demangled = demangling_buffer;
+
+ if (isdigit ((unsigned char) mangled[len0 - 1])) {
+ for (i = len0 - 2; i >= 0 && isdigit ((unsigned char) mangled[i]); i -= 1)
+ ;
+ if (i > 1 && mangled[i] == '_' && mangled[i - 1] == '_')
+ {
+ len0 = i - 1;
+ changed = 1;
+ }
+ else if (mangled[i] == '$')
+ {
+ len0 = i;
+ changed = 1;
+ }
+ }
+
+ for (i = 0, j = 0; i < len0 && ! isalpha ((unsigned char)mangled[i]);
+ i += 1, j += 1)
+ demangled[j] = mangled[i];
+
+ at_start_name = 1;
+ while (i < len0)
+ {
+ at_start_name = 0;
+
+ if (i < len0 - 2 && mangled[i] == '_' && mangled[i + 1] == '_')
+ {
+ demangled[j] = '.';
+ changed = at_start_name = 1;
+ i += 2; j += 1;
+ }
+ else
+ {
+ demangled[j] = mangled[i];
+ i += 1; j += 1;
+ }
+ }
+ demangled[j] = '\000';
+
+ for (i = 0; demangled[i] != '\0'; i += 1)
+ if (isupper ((unsigned char)demangled[i]) || demangled[i] == ' ')
+ goto Suppress;
+
+ if (! changed)
+ return NULL;
+ else
+ return demangled;
+
+ Suppress:
+ grow_vect ((void **) &(demangling_buffer),
+ &demangling_buffer_size, strlen (mangled) + 3,
+ sizeof (char));
+ demangled = demangling_buffer;
+ if (mangled[0] == '<')
+ strcpy (demangled, mangled);
+ else
+ sprintf (demangled, "<%s>", mangled);
+
+ return demangled;
+}
+
/* This function performs most of what cplus_demangle use to do, but
to be able to demangle a name with a B, K or n code, we need to
have a longer term memory of what types have been seen. The original
string decl;
int success = 0;
char *demangled = NULL;
- int s1,s2,s3,s4;
+ int s1, s2, s3, s4;
s1 = work->constructor;
s2 = work->destructor;
s3 = work->static_type;
work->destructor = s2;
work->static_type = s3;
work->type_quals = s4;
- return (demangled);
+ return demangled;
}
}
}
-/* Clear out any mangled storage */
-static char *
-mop_up (work, declp, success)
- struct work_stuff *work;
- string *declp;
- int success;
+/* Copy the work state and storage. */
+
+static void
+work_stuff_copy_to_from (to, from)
+ struct work_stuff *to;
+ struct work_stuff *from;
{
- char *demangled = NULL;
+ int i;
+
+ delete_work_stuff (to);
+
+ /* Shallow-copy scalars. */
+ memcpy (to, from, sizeof (*to));
+
+ /* Deep-copy dynamic storage. */
+ if (from->typevec_size)
+ to->typevec
+ = (char **) xmalloc (from->typevec_size * sizeof (to->typevec[0]));
+
+ for (i = 0; i < from->ntypes; i++)
+ {
+ int len = strlen (from->typevec[i]) + 1;
+
+ to->typevec[i] = xmalloc (len);
+ memcpy (to->typevec[i], from->typevec[i], len);
+ }
+
+ if (from->ksize)
+ to->ktypevec
+ = (char **) xmalloc (from->ksize * sizeof (to->ktypevec[0]));
+
+ for (i = 0; i < from->numk; i++)
+ {
+ int len = strlen (from->ktypevec[i]) + 1;
+
+ to->ktypevec[i] = xmalloc (len);
+ memcpy (to->ktypevec[i], from->ktypevec[i], len);
+ }
+
+ if (from->bsize)
+ to->btypevec
+ = (char **) xmalloc (from->bsize * sizeof (to->btypevec[0]));
+
+ for (i = 0; i < from->numb; i++)
+ {
+ int len = strlen (from->btypevec[i]) + 1;
+
+ to->btypevec[i] = xmalloc (len);
+ memcpy (to->btypevec[i], from->btypevec[i], len);
+ }
+ if (from->ntmpl_args)
+ to->tmpl_argvec
+ = xmalloc (from->ntmpl_args * sizeof (to->tmpl_argvec[0]));
+
+ for (i = 0; i < from->ntmpl_args; i++)
+ {
+ int len = strlen (from->tmpl_argvec[i]) + 1;
+
+ to->tmpl_argvec[i] = xmalloc (len);
+ memcpy (to->tmpl_argvec[i], from->tmpl_argvec[i], len);
+ }
+
+ if (from->previous_argument)
+ {
+ to->previous_argument = (string*) xmalloc (sizeof (string));
+ string_init (to->previous_argument);
+ string_appends (to->previous_argument, from->previous_argument);
+ }
+}
+
+
+/* Delete dynamic stuff in work_stuff that is not to be re-used. */
+
+static void
+delete_non_B_K_work_stuff (work)
+ struct work_stuff *work;
+{
/* Discard the remembered types, if any. */
forget_types (work);
free ((char*) work->previous_argument);
work->previous_argument = NULL;
}
+}
+
+
+/* Delete all dynamic storage in work_stuff. */
+static void
+delete_work_stuff (work)
+ struct work_stuff *work;
+{
+ delete_non_B_K_work_stuff (work);
+ squangle_mop_up (work);
+}
+
+
+/* Clear out any mangled storage */
+
+static char *
+mop_up (work, declp, success)
+ struct work_stuff *work;
+ string *declp;
+ int success;
+{
+ char *demangled = NULL;
+
+ delete_non_B_K_work_stuff (work);
/* If demangling was successful, ensure that the demangled string is null
terminated and return it. Otherwise, free the demangling decl. */
else
{
string_appendn (declp, "", 1);
- demangled = declp -> b;
+ demangled = declp->b;
}
return (demangled);
}
break;
case '_':
- if (GNU_DEMANGLING && expect_return_type)
+ if ((AUTO_DEMANGLING || GNU_DEMANGLING) && expect_return_type)
{
/* Read the return type. */
string return_type;
break;
case 'H':
- if (GNU_DEMANGLING)
+ if (AUTO_DEMANGLING || GNU_DEMANGLING)
{
/* A G++ template function. Read the template arguments. */
success = demangle_template (work, mangled, declp, 0, 0,
len = strlen (*mangled);
- for (i = 0;
- i < sizeof (optable) / sizeof (optable [0]);
- ++i)
+ for (i = 0; i < ARRAY_SIZE (optable); ++i)
{
size_t l = strlen (optable[i].in);
{
int value;
+ /* By default, we let the number decide whether we shall consume an
+ underscore. */
+ int consume_following_underscore = 0;
+ int leave_following_underscore = 0;
+
success = 0;
/* Negative numbers are indicated with a leading `m'. */
string_appendn (s, "-", 1);
(*mangled)++;
}
+ else if (mangled[0][0] == '_' && mangled[0][1] == 'm')
+ {
+ /* Since consume_count_with_underscores does not handle the
+ `m'-prefix we must do it here, using consume_count and
+ adjusting underscores: we have to consume the underscore
+ matching the prepended one. */
+ consume_following_underscore = 1;
+ string_appendn (s, "-", 1);
+ (*mangled) += 2;
+ }
+ else if (**mangled == '_')
+ {
+ /* Do not consume a following underscore;
+ consume_following_underscore will consume what should be
+ consumed. */
+ leave_following_underscore = 1;
+ }
+
+ /* We must call consume_count if we expect to remove a trailing
+ underscore, since consume_count_with_underscores expects
+ the leading underscore (that we consumed) if it is to handle
+ multi-digit numbers. */
+ if (consume_following_underscore)
+ value = consume_count (mangled);
+ else
+ value = consume_count_with_underscores (mangled);
- /* Read the rest of the number. */
- value = consume_count_with_underscores (mangled);
if (value != -1)
{
char buf[INTBUF_SIZE];
sprintf (buf, "%d", value);
string_append (s, buf);
- /* If the next character is an underscore, skip it. */
- if (**mangled == '_')
+ /* Numbers not otherwise delimited, might have an underscore
+ appended as a delimeter, which we should skip.
+
+ ??? This used to always remove a following underscore, which
+ is wrong. If other (arbitrary) cases are followed by an
+ underscore, we need to do something more radical. */
+
+ if ((value > 9 || consume_following_underscore)
+ && ! leave_following_underscore
+ && **mangled == '_')
(*mangled)++;
/* All is well. */
template parameters (e.g. S) is placed in TRAWNAME if TRAWNAME is
non-NULL. If IS_TYPE is nonzero, this template is a type template,
not a function template. If both IS_TYPE and REMEMBER are nonzero,
- the tmeplate is remembered in the list of back-referenceable
+ the template is remembered in the list of back-referenceable
types. */
static int
return (success);
}
+
+/* Called when there's a "__" in the mangled name, with `scan' pointing to
+ the rightmost guess.
+
+ Find the correct "__"-sequence where the function name ends and the
+ signature starts, which is ambiguous with GNU mangling.
+ Call demangle_signature here, so we can make sure we found the right
+ one; *mangled will be consumed so caller will not make further calls to
+ demangle_signature. */
+
+static int
+iterate_demangle_function (work, mangled, declp, scan)
+ struct work_stuff *work;
+ const char **mangled;
+ string *declp;
+ const char *scan;
+{
+ const char *mangle_init = *mangled;
+ int success = 0;
+ string decl_init;
+ struct work_stuff work_init;
+
+ if (*(scan + 2) == '\0')
+ return 0;
+
+ /* Do not iterate for some demangling modes, or if there's only one
+ "__"-sequence. This is the normal case. */
+ if (ARM_DEMANGLING || LUCID_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING
+ || mystrstr (scan + 2, "__") == NULL)
+ {
+ demangle_function_name (work, mangled, declp, scan);
+ return 1;
+ }
+
+ /* Save state so we can restart if the guess at the correct "__" was
+ wrong. */
+ string_init (&decl_init);
+ string_appends (&decl_init, declp);
+ memset (&work_init, 0, sizeof work_init);
+ work_stuff_copy_to_from (&work_init, work);
+
+ /* Iterate over occurrences of __, allowing names and types to have a
+ "__" sequence in them. We must start with the first (not the last)
+ occurrence, since "__" most often occur between independent mangled
+ parts, hence starting at the last occurence inside a signature
+ might get us a "successful" demangling of the signature. */
+
+ while (scan[2])
+ {
+ demangle_function_name (work, mangled, declp, scan);
+ success = demangle_signature (work, mangled, declp);
+ if (success)
+ break;
+
+ /* Reset demangle state for the next round. */
+ *mangled = mangle_init;
+ string_clear (declp);
+ string_appends (declp, &decl_init);
+ work_stuff_copy_to_from (work, &work_init);
+
+ /* Leave this underscore-sequence. */
+ scan += 2;
+
+ /* Scan for the next "__" sequence. */
+ while (*scan && (scan[0] != '_' || scan[1] != '_'))
+ scan++;
+
+ /* Move to last "__" in this sequence. */
+ while (*scan && *scan == '_')
+ scan++;
+ scan -= 2;
+ }
+
+ /* Delete saved state. */
+ delete_work_stuff (&work_init);
+ string_delete (&decl_init);
+
+ return success;
+}
+
/*
LOCAL FUNCTION
DESCRIPTION
Consume and demangle the prefix of the mangled name.
+ While processing the function name root, arrange to call
+ demangle_signature if the root is ambiguous.
DECLP points to the string buffer into which demangled output is
placed. On entry, the buffer is empty. On exit it contains
success = 0;
}
else
- {
- const char *tmp;
-
- /* Look for the LAST occurrence of __, allowing names to
- have the '__' sequence embedded in them. */
- if (!(ARM_DEMANGLING || HP_DEMANGLING))
- {
- while ((tmp = mystrstr (scan + 2, "__")) != NULL)
- scan = tmp;
- }
- if (*(scan + 2) == '\0')
- success = 0;
- else
- demangle_function_name (work, mangled, declp, scan);
- }
+ return iterate_demangle_function (work, mangled, declp, scan);
}
}
else if (*(scan + 2) != '\0')
{
/* Mangled name does not start with "__" but does have one somewhere
in there with non empty stuff after it. Looks like a global
- function name. */
- demangle_function_name (work, mangled, declp, scan);
+ function name. Iterate over all "__":s until the right
+ one is found. */
+ return iterate_demangle_function (work, mangled, declp, scan);
}
else
{
success = 0;
break;
}
+
+ if (n > 10 && strncmp (*mangled, "_GLOBAL_", 8) == 0
+ && (*mangled)[9] == 'N'
+ && (*mangled)[8] == (*mangled)[10]
+ && strchr (cplus_markers, (*mangled)[8]))
+ {
+ /* A member of the anonymous namespace. There's information
+ about what identifier or filename it was keyed to, but
+ it's just there to make the mangled name unique; we just
+ step over it. */
+ string_append (declp, "{anonymous}");
+ (*mangled) += n;
+
+ /* Now p points to the marker before the N, so we need to
+ update it to the first marker after what we consumed. */
+ p = strpbrk (*mangled, cplus_markers);
+ break;
+ }
+
string_appendn (declp, *mangled, n);
(*mangled) += n;
}
success = demangle_template (work, mangled, declp, 0, 1, 1);
break;
default:
- success = demangle_fund_type (work, mangled, declp);
+ success = do_type (work, mangled, declp);
break;
}
if (success && **mangled != '\0')
int done = 0;
int success = 1;
char buf[10];
- int dec = 0;
+ unsigned int dec = 0;
string btype;
type_kind_t tk = tk_integral;
*mangled += min (strlen (*mangled), 2);
}
sscanf (buf, "%x", &dec);
- sprintf (buf, "int%i_t", dec);
+ sprintf (buf, "int%u_t", dec);
APPEND_BLANK (result);
string_append (result, buf);
break;
if (declp->p - declp->b >= 10 /* op$assign_ */
&& memcmp (declp->b + 3, "assign_", 7) == 0)
{
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
int len = declp->p - declp->b - 10;
if ((int) strlen (optable[i].in) == len
}
else
{
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
int len = declp->p - declp->b - 3;
if ((int) strlen (optable[i].in) == len
if (declp->b[4] == '\0')
{
/* Operator. */
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
if (strlen (optable[i].in) == 2
&& memcmp (optable[i].in, declp->b + 2, 2) == 0)
if (declp->b[2] == 'a' && declp->b[5] == '\0')
{
/* Assignment. */
- for (i = 0; i < sizeof (optable) / sizeof (optable[0]); i++)
+ for (i = 0; i < ARRAY_SIZE (optable); i++)
{
if (strlen (optable[i].in) == 3
&& memcmp (optable[i].in, declp->b + 2, 3) == 0)
static const char *
gnu_new_abi_symbol_characters ()
{
- return "_";
+ return "_$.";
}
case gnu_demangling:
case lucid_demangling:
case arm_demangling:
+ case java_demangling:
case edg_demangling:
+ case gnat_demangling:
valid_symbols = standard_symbol_characters ();
break;
case hp_demangling:
projects / deliverable / binutils-gdb.git / blobdiff