/* Demangler for GNU C++
Copyright 1989, 1991, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000 Free Software Foundation, Inc.
+ 2000, 2001 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 "config.h"
#endif
-#include <ctype.h>
+#include "safe-ctype.h"
+
#include <sys/types.h>
#include <string.h>
#include <stdio.h>
#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
#define CPLUS_MARKER '$'
#endif
-enum demangling_styles current_demangling_style = gnu_demangling;
+enum demangling_styles current_demangling_style = auto_demangling;
static char cplus_markers[] = { CPLUS_MARKER, '.', '$', '\0' };
static const struct optable
{
- const char *in;
- const char *out;
- int flags;
+ const char *const in;
+ const char *const out;
+ const int flags;
} optable[] = {
{"nw", " new", DMGL_ANSI}, /* new (1.92, ansi) */
{"dl", " delete", DMGL_ANSI}, /* new (1.92, ansi) */
tk_real
} type_kind_t;
-struct demangler_engine libiberty_demanglers[] =
+const struct demangler_engine libiberty_demanglers[] =
{
{
+ NO_DEMANGLING_STYLE_STRING,
+ no_demangling,
+ "Demangling disabled"
+ }
+ ,
+ {
AUTO_DEMANGLING_STYLE_STRING,
auto_demangling,
"Automatic selection based on executable"
}
,
{
- GNU_NEW_ABI_DEMANGLING_STYLE_STRING,
- gnu_new_abi_demangling,
- "GNU (g++) new-ABI-style demangling"
+ GNU_V3_DEMANGLING_STYLE_STRING,
+ gnu_v3_demangling,
+ "GNU (g++) V3 ABI-style demangling"
+ }
+ ,
+ {
+ JAVA_DEMANGLING_STYLE_STRING,
+ java_demangling,
+ "Java style demangling"
+ }
+ ,
+ {
+ GNAT_DEMANGLING_STYLE_STRING,
+ gnat_demangling,
+ "GNAT style demangling"
}
,
{
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.
{
int count = 0;
- if (! isdigit ((unsigned char)**type))
+ if (! ISDIGIT ((unsigned char)**type))
return -1;
- while (isdigit ((unsigned char)**type))
+ while (ISDIGIT ((unsigned char)**type))
{
count *= 10;
ten. */
if ((count % 10) != 0)
{
- while (isdigit ((unsigned char) **type))
+ while (ISDIGIT ((unsigned char) **type))
(*type)++;
return -1;
}
(*type)++;
}
+ if (count < 0)
+ count = -1;
+
return (count);
}
if (**mangled == '_')
{
(*mangled)++;
- if (!isdigit ((unsigned char)**mangled))
+ if (!ISDIGIT ((unsigned char)**mangled))
return -1;
idx = consume_count (mangled);
}
}
else if (opname[0] == '_' && opname[1] == '_'
- && islower((unsigned char)opname[2])
- && islower((unsigned char)opname[3]))
+ && ISLOWER((unsigned char)opname[2])
+ && ISLOWER((unsigned char)opname[3]))
{
if (opname[4] == '\0')
{
cplus_demangle_set_style (style)
enum demangling_styles style;
{
- struct demangler_engine *demangler = libiberty_demanglers;
+ const struct demangler_engine *demangler = libiberty_demanglers;
for (; demangler->demangling_style != unknown_demangling; ++demangler)
if (style == demangler->demangling_style)
cplus_demangle_name_to_style (name)
const char *name;
{
- struct demangler_engine *demangler = libiberty_demanglers;
+ const struct demangler_engine *demangler = libiberty_demanglers;
for (; demangler->demangling_style != unknown_demangling; ++demangler)
if (strcmp (name, demangler->demangling_style_name) == 0)
/* char *cplus_demangle (const char *mangled, int options)
If MANGLED is a mangled function name produced by GNU C++, then
- a pointer to a malloced string giving a C++ representation
+ a pointer to a @code{malloc}ed string giving a C++ representation
of the name will be returned; otherwise NULL will be returned.
It is the caller's responsibility to free the string which
is returned.
{
char *ret;
struct work_stuff work[1];
+
+ if (current_demangling_style == no_demangling)
+ return xstrdup (mangled);
+
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 V3 ABI demangling is implemented elsewhere. */
+ if (GNU_V3_DEMANGLING || AUTO_DEMANGLING)
+ {
+ ret = cplus_demangle_v3 (mangled);
+ if (ret || GNU_V3_DEMANGLING)
+ return ret;
+ }
- /* The new-ABI demangling is implemented elsewhere. */
- if (GNU_NEW_ABI_DEMANGLING)
- return cplus_demangle_new_abi (mangled);
+ if (JAVA_DEMANGLING)
+ {
+ ret = java_demangle_v3 (mangled);
+ if (ret)
+ return ret;
+ }
+
+ if (GNAT_DEMANGLING)
+ return ada_demangle(mangled,options);
ret = internal_cplus_demangle (work, mangled);
squangle_mop_up (work);
}
+/* 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;
}
else
{
string_appendn (declp, "", 1);
- demangled = declp -> b;
+ demangled = declp->b;
}
return (demangled);
}
if (HP_DEMANGLING)
{
(*mangled)++;
- while (**mangled && isdigit ((unsigned char)**mangled))
+ while (**mangled && ISDIGIT ((unsigned char)**mangled))
(*mangled)++;
}
else
string_appendn (s, "-", 1);
(*mangled)++;
}
- while (isdigit ((unsigned char)**mangled))
+ while (ISDIGIT ((unsigned char)**mangled))
{
string_appendn (s, *mangled, 1);
(*mangled)++;
{
string_appendn (s, ".", 1);
(*mangled)++;
- while (isdigit ((unsigned char)**mangled))
+ while (ISDIGIT ((unsigned char)**mangled))
{
string_appendn (s, *mangled, 1);
(*mangled)++;
{
string_appendn (s, "e", 1);
(*mangled)++;
- while (isdigit ((unsigned char)**mangled))
+ while (ISDIGIT ((unsigned char)**mangled))
{
string_appendn (s, *mangled, 1);
(*mangled)++;
}
else if (work -> static_type)
{
- if (!isdigit ((unsigned char)scan[0]) && (scan[0] != 't'))
+ if (!ISDIGIT ((unsigned char)scan[0]) && (scan[0] != 't'))
{
success = 0;
}
}
else if ((scan == *mangled)
- && (isdigit ((unsigned char)scan[2]) || (scan[2] == 'Q')
+ && (ISDIGIT ((unsigned char)scan[2]) || (scan[2] == 'Q')
|| (scan[2] == 't') || (scan[2] == 'K') || (scan[2] == 'H')))
{
/* The ARM says nothing about the mangling of local variables.
But cfront mangles local variables by prepending __<nesting_level>
to them. As an extension to ARM demangling we handle this case. */
if ((LUCID_DEMANGLING || ARM_DEMANGLING || HP_DEMANGLING)
- && isdigit ((unsigned char)scan[2]))
+ && ISDIGIT ((unsigned char)scan[2]))
{
*mangled = scan + 2;
consume_count (mangled);
/* EDG template? */
demangle_arm_hp_template (work, mangled, strlen (*mangled), declp);
}
- else if ((scan == *mangled) && !isdigit ((unsigned char)scan[2])
+ else if ((scan == *mangled) && !ISDIGIT ((unsigned char)scan[2])
&& (scan[2] != 't'))
{
/* Mangled name starts with "__". Skip over any leading '_' characters,
1);
break;
default:
- if (isdigit((unsigned char)*mangled[0]))
+ if (ISDIGIT((unsigned char)*mangled[0]))
{
n = consume_count(mangled);
/* We may be seeing a too-large size, or else a
const char *p;
int n;
- if (!isdigit ((unsigned char)**type))
+ if (!ISDIGIT ((unsigned char)**type))
return (0);
else
{
*count = **type - '0';
(*type)++;
- if (isdigit ((unsigned char)**type))
+ if (ISDIGIT ((unsigned char)**type))
{
p = *type;
n = *count;
n += *p - '0';
p++;
}
- while (isdigit ((unsigned char)*p));
+ while (ISDIGIT ((unsigned char)*p));
if (*p == '_')
{
*type = p + 1;
if (**mangled != 'Q')
string_prepend (&decl, SCOPE_STRING (work));
- if (isdigit ((unsigned char)**mangled))
+ if (ISDIGIT ((unsigned char)**mangled))
{
n = consume_count (mangled);
if (n == -1
break;
case 'G':
(*mangled)++;
- if (!isdigit ((unsigned char)**mangled))
+ if (!ISDIGIT ((unsigned char)**mangled))
{
success = 0;
break;
}
/* We have to be looking at an integer now */
- if (!(isdigit ((unsigned char)**mangled)))
+ if (!(ISDIGIT ((unsigned char)**mangled)))
return 0;
/* We only deal with integral values for template
parameters -- so it's OK to look only for digits */
- while (isdigit ((unsigned char)**mangled))
+ while (ISDIGIT ((unsigned char)**mangled))
{
char_str[0] = **mangled;
string_append (result, char_str);
else if (**args == '+')
(*args)++;
- if (!isdigit ((unsigned char)**args))
+ if (!ISDIGIT ((unsigned char)**args))
return 0;
- while (isdigit ((unsigned char)**args))
+ while (ISDIGIT ((unsigned char)**args))
{
char_str[0] = **args;
string_append (arg, char_str);
}
}
else if (declp->b[0] == '_' && declp->b[1] == '_'
- && islower((unsigned char)declp->b[2])
- && islower((unsigned char)declp->b[3]))
+ && ISLOWER((unsigned char)declp->b[2])
+ && ISLOWER((unsigned char)declp->b[3]))
{
if (declp->b[4] == '\0')
{
print_demangler_list (stream)
FILE *stream;
{
- struct demangler_engine *demangler;
+ const struct demangler_engine *demangler;
fprintf (stream, "{%s", libiberty_demanglers->demangling_style_name);
{"strip-underscores", no_argument, 0, '_'},
{"format", required_argument, 0, 's'},
{"help", no_argument, 0, 'h'},
- {"java", no_argument, 0, 'j'},
{"no-strip-underscores", no_argument, 0, 'n'},
{"version", no_argument, 0, 'v'},
{0, no_argument, 0, 0}
hp_symbol_characters PARAMS ((void));
static const char *
-gnu_new_abi_symbol_characters PARAMS ((void));
+gnu_v3_symbol_characters PARAMS ((void));
/* Return the string of non-alnum characters that may occur
as a valid symbol component, in the standard assembler symbol
/* Return the string of non-alnum characters that may occur
- as a valid symbol component in the GNU standard C++ ABI mangling
+ as a valid symbol component in the GNU C++ V3 ABI mangling
scheme. */
static const char *
-gnu_new_abi_symbol_characters ()
+gnu_v3_symbol_characters ()
{
return "_$.";
}
char *result;
int c;
const char *valid_symbols;
+ enum demangling_styles style = auto_demangling;
program_name = argv[0];
strip_underscore = prepends_underscore;
- while ((c = getopt_long (argc, argv, "_ns:j", long_options, (int *) 0)) != EOF)
+ while ((c = getopt_long (argc, argv, "_ns:", long_options, (int *) 0)) != EOF)
{
switch (c)
{
case '_':
strip_underscore = 1;
break;
- case 'j':
- flags |= DMGL_JAVA;
- break;
case 's':
{
- enum demangling_styles style;
-
style = cplus_demangle_name_to_style (optarg);
if (style == unknown_demangling)
{
case gnu_demangling:
case lucid_demangling:
case arm_demangling:
+ case java_demangling:
case edg_demangling:
+ case gnat_demangling:
+ case auto_demangling:
valid_symbols = standard_symbol_characters ();
break;
case hp_demangling:
valid_symbols = hp_symbol_characters ();
break;
- case gnu_new_abi_demangling:
- valid_symbols = gnu_new_abi_symbol_characters ();
+ case gnu_v3_demangling:
+ valid_symbols = gnu_v3_symbol_characters ();
break;
default:
/* Folks should explicitly indicate the appropriate alphabet for
int i = 0;
c = getchar ();
/* Try to read a label. */
- while (c != EOF && (isalnum (c) || strchr (valid_symbols, c)))
+ while (c != EOF && (ISALNUM (c) || strchr (valid_symbols, c)))
{
if (i >= MBUF_SIZE-1)
break;
{
int skip_first = 0;
- if (mbuffer[0] == '.')
+ if (mbuffer[0] == '.' || mbuffer[0] == '$')
++skip_first;
if (strip_underscore && mbuffer[skip_first] == '_')
++skip_first;
skip_first = i;
mbuffer[i] = 0;
-
+ flags |= (int) style;
result = cplus_demangle (mbuffer + skip_first, flags);
if (result)
{
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