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wine/dlls/msvcrt/undname.c

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/*
* Demangle VC++ symbols into C function prototypes
*
* Copyright 2000 Jon Griffiths
* 2004 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include "msvcrt.h"
#include "winver.h"
#include "imagehlp.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* How data types qualifiers are stored:
* M (in the following definitions) is defined for
* 'A', 'B', 'C' and 'D' as follows
* {<A>}: ""
* {<B>}: "const "
* {<C>}: "volatile "
* {<D>}: "const volatile "
*
* in arguments:
* P<M>x {<M>}x*
* Q<M>x {<M>}x* const
* A<M>x {<M>}x&
* in data fields:
* same as for arguments and also the following
* ?<M>x {<M>}x
*
*/
#define UNDNAME_NO_COMPLEX_TYPE (0x8000)
struct array
{
unsigned start; /* first valid reference in array */
unsigned num; /* total number of used elts */
unsigned max;
unsigned alloc;
char** elts;
};
/* Structure holding a parsed symbol */
struct parsed_symbol
{
unsigned flags; /* the UNDNAME_ flags used for demangling */
malloc_func_t mem_alloc_ptr; /* internal allocator */
free_func_t mem_free_ptr; /* internal deallocator */
const char* current; /* pointer in input (mangled) string */
char* result; /* demangled string */
struct array names; /* array of names for back reference */
struct array args; /* array of arguments for back reference */
struct array stack; /* stack of parsed strings */
void* alloc_list; /* linked list of allocated blocks */
unsigned avail_in_first; /* number of available bytes in head block */
};
enum datatype_e
{
DT_NO_LEADING_WS = 0x01,
DT_NO_LRSEP_WS = 0x02,
};
/* Type for parsing mangled types */
struct datatype_t
{
const char* left;
const char* right;
enum datatype_e flags;
};
static BOOL symbol_demangle(struct parsed_symbol* sym);
static char* get_class_name(struct parsed_symbol* sym);
/******************************************************************
* und_alloc
*
* Internal allocator. Uses a simple linked list of large blocks
* where we use a poor-man allocator. It's fast, and since all
* allocation is pool, memory management is easy (esp. freeing).
*/
static void* und_alloc(struct parsed_symbol* sym, unsigned int len)
{
void* ptr;
#define BLOCK_SIZE 1024
#define AVAIL_SIZE (1024 - sizeof(void*))
if (len > AVAIL_SIZE)
{
/* allocate a specific block */
ptr = sym->mem_alloc_ptr(sizeof(void*) + len);
if (!ptr) return NULL;
*(void**)ptr = sym->alloc_list;
sym->alloc_list = ptr;
sym->avail_in_first = 0;
ptr = (char*)sym->alloc_list + sizeof(void*);
}
else
{
if (len > sym->avail_in_first)
{
/* add a new block */
ptr = sym->mem_alloc_ptr(BLOCK_SIZE);
if (!ptr) return NULL;
*(void**)ptr = sym->alloc_list;
sym->alloc_list = ptr;
sym->avail_in_first = AVAIL_SIZE;
}
/* grab memory from head block */
ptr = (char*)sym->alloc_list + BLOCK_SIZE - sym->avail_in_first;
sym->avail_in_first -= len;
}
return ptr;
#undef BLOCK_SIZE
#undef AVAIL_SIZE
}
/******************************************************************
* und_free
* Frees all the blocks in the list of large blocks allocated by
* und_alloc.
*/
static void und_free_all(struct parsed_symbol* sym)
{
void* next;
while (sym->alloc_list)
{
next = *(void**)sym->alloc_list;
if(sym->mem_free_ptr) sym->mem_free_ptr(sym->alloc_list);
sym->alloc_list = next;
}
sym->avail_in_first = 0;
}
/******************************************************************
* str_array_init
* Initialises an array of strings
*/
static void str_array_init(struct array* a)
{
a->start = a->num = a->max = a->alloc = 0;
a->elts = NULL;
}
/******************************************************************
* str_array_push
* Adding a new string to an array
*/
static BOOL str_array_push(struct parsed_symbol* sym, const char* ptr, int len,
struct array* a)
{
char** new;
assert(ptr);
assert(a);
if (!a->alloc)
{
new = und_alloc(sym, (a->alloc = 32) * sizeof(a->elts[0]));
if (!new) return FALSE;
a->elts = new;
}
else if (a->max >= a->alloc)
{
new = und_alloc(sym, (a->alloc * 2) * sizeof(a->elts[0]));
if (!new) return FALSE;
memcpy(new, a->elts, a->alloc * sizeof(a->elts[0]));
a->alloc *= 2;
a->elts = new;
}
if (len == -1) len = strlen(ptr);
a->elts[a->num] = und_alloc(sym, len + 1);
assert(a->elts[a->num]);
memcpy(a->elts[a->num], ptr, len);
a->elts[a->num][len] = '\0';
if (++a->num >= a->max) a->max = a->num;
{
int i;
char c;
for (i = a->max - 1; i >= 0; i--)
{
c = '>';
if (i < a->start) c = '-';
else if (i >= a->num) c = '}';
TRACE("%p\t%d%c %s\n", a, i, c, debugstr_a(a->elts[i]));
}
}
return TRUE;
}
/******************************************************************
* str_array_get_ref
* Extracts a reference from an existing array (doing proper type
* checking)
*/
static char* str_array_get_ref(struct array* cref, unsigned idx)
{
assert(cref);
if (cref->start + idx >= cref->max)
{
WARN("Out of bounds: %p %d + %d >= %d\n",
cref, cref->start, idx, cref->max);
return NULL;
}
TRACE("Returning %p[%d] => %s\n",
cref, idx, debugstr_a(cref->elts[cref->start + idx]));
return cref->elts[cref->start + idx];
}
/******************************************************************
* str_printf
* Helper for printf type of command (only %s and %c are implemented)
* while dynamically allocating the buffer
*/
static char* WINAPIV str_printf(struct parsed_symbol* sym, const char* format, ...)
{
va_list args;
unsigned int len = 1, i, sz;
char* tmp;
char* p;
char* t;
va_start(args, format);
for (i = 0; format[i]; i++)
{
if (format[i] == '%')
{
switch (format[++i])
{
case 's': t = va_arg(args, char*); if (t) len += strlen(t); break;
case 'c': (void)va_arg(args, int); len++; break;
default: i--; /* fall through */
case '%': len++; break;
}
}
else len++;
}
va_end(args);
if (!(tmp = und_alloc(sym, len))) return NULL;
va_start(args, format);
for (p = tmp, i = 0; format[i]; i++)
{
if (format[i] == '%')
{
switch (format[++i])
{
case 's':
t = va_arg(args, char*);
if (t)
{
sz = strlen(t);
memcpy(p, t, sz);
p += sz;
}
break;
case 'c':
*p++ = (char)va_arg(args, int);
break;
default: i--; /* fall through */
case '%': *p++ = '%'; break;
}
}
else *p++ = format[i];
}
va_end(args);
*p = '\0';
return tmp;
}
enum datatype_flags
{
IN_ARGS = 0x01,
WS_AFTER_QUAL_IF = 0x02,
};
/* forward declaration */
static BOOL demangle_datatype(struct parsed_symbol* sym, struct datatype_t* ct,
enum datatype_flags flags);
static const char* get_number(struct parsed_symbol* sym)
{
char* ptr;
BOOL sgn = FALSE;
if (*sym->current == '?')
{
sgn = TRUE;
sym->current++;
}
if (*sym->current >= '0' && *sym->current <= '8')
{
ptr = und_alloc(sym, 3);
if (sgn) ptr[0] = '-';
ptr[sgn ? 1 : 0] = *sym->current + 1;
ptr[sgn ? 2 : 1] = '\0';
sym->current++;
}
else if (*sym->current == '9')
{
ptr = und_alloc(sym, 4);
if (sgn) ptr[0] = '-';
ptr[sgn ? 1 : 0] = '1';
ptr[sgn ? 2 : 1] = '0';
ptr[sgn ? 3 : 2] = '\0';
sym->current++;
}
else if (*sym->current >= 'A' && *sym->current <= 'P')
{
int ret = 0;
while (*sym->current >= 'A' && *sym->current <= 'P')
{
ret *= 16;
ret += *sym->current++ - 'A';
}
if (*sym->current != '@') return NULL;
ptr = und_alloc(sym, 17);
sprintf(ptr, "%s%u", sgn ? "-" : "", ret);
sym->current++;
}
else return NULL;
return ptr;
}
/******************************************************************
* get_args
* Parses a list of function/method arguments, creates a string corresponding
* to the arguments' list.
*/
static char* get_args(struct parsed_symbol* sym, BOOL z_term,
char open_char, char close_char)
{
struct datatype_t ct;
struct array arg_collect;
char* args_str = NULL;
char* last;
unsigned int i;
const char *p;
str_array_init(&arg_collect);
/* Now come the function arguments */
while (*sym->current)
{
p = sym->current;
/* Decode each data type and append it to the argument list */
if (*sym->current == '@')
{
sym->current++;
break;
}
if (!demangle_datatype(sym, &ct, IN_ARGS))
return NULL;
/* 'void' terminates an argument list in a function */
if (z_term && !strcmp(ct.left, "void")) break;
if (!str_array_push(sym, str_printf(sym, "%s%s", ct.left, ct.right), -1,
&arg_collect))
return NULL;
if (!strcmp(ct.left, "...")) break;
if (z_term && sym->current - p > 1 && sym->args.num < 20)
{
if (!str_array_push(sym, ct.left ? ct.left : "", -1, &sym->args) ||
!str_array_push(sym, ct.right ? ct.right : "", -1, &sym->args))
return NULL;
}
}
/* Functions are always terminated by 'Z'. If we made it this far and
* don't find it, we have incorrectly identified a data type.
*/
if (z_term && *sym->current++ != 'Z') return NULL;
if (arg_collect.num == 0 ||
(arg_collect.num == 1 && !strcmp(arg_collect.elts[0], "void")))
return str_printf(sym, "%cvoid%c", open_char, close_char);
for (i = 1; i < arg_collect.num; i++)
{
args_str = str_printf(sym, "%s,%s", args_str, arg_collect.elts[i]);
}
last = args_str ? args_str : arg_collect.elts[0];
if (close_char == '>' && last[strlen(last) - 1] == '>')
args_str = str_printf(sym, "%c%s%s %c",
open_char, arg_collect.elts[0], args_str, close_char);
else
args_str = str_printf(sym, "%c%s%s%c",
open_char, arg_collect.elts[0], args_str, close_char);
return args_str;
}
static void append_extended_qualifier(struct parsed_symbol *sym, const char **where,
const char *str, BOOL is_ms_keyword)
{
if (!is_ms_keyword || !(sym->flags & UNDNAME_NO_MS_KEYWORDS))
{
if (is_ms_keyword && (sym->flags & UNDNAME_NO_LEADING_UNDERSCORES))
str += 2;
*where = *where ? str_printf(sym, "%s%s%s%s", *where, is_ms_keyword ? " " : "", str, is_ms_keyword ? "" : " ") :
str_printf(sym, "%s%s", str, is_ms_keyword ? "" : " ");
}
}
static void get_extended_qualifier(struct parsed_symbol *sym, struct datatype_t *xdt)
{
unsigned fl = 0;
xdt->left = xdt->right = NULL;
xdt->flags = 0;
for (;;)
{
switch (*sym->current)
{
case 'E': append_extended_qualifier(sym, &xdt->right, "__ptr64", TRUE); fl |= 2; break;
case 'F': append_extended_qualifier(sym, &xdt->left, "__unaligned", TRUE); fl |= 2; break;
#ifdef _UCRT
case 'G': append_extended_qualifier(sym, &xdt->right, "&", FALSE); fl |= 1; break;
case 'H': append_extended_qualifier(sym, &xdt->right, "&&", FALSE); fl |= 1; break;
#endif
case 'I': append_extended_qualifier(sym, &xdt->right, "__restrict", TRUE); fl |= 2; break;
default: if (fl == 1 || (fl == 3 && (sym->flags & UNDNAME_NO_MS_KEYWORDS))) xdt->flags = DT_NO_LRSEP_WS; return;
}
sym->current++;
}
}
/******************************************************************
* get_qualifier
* Parses the type qualifier. Always returns static strings.
*/
static BOOL get_qualifier(struct parsed_symbol *sym, struct datatype_t *xdt, const char** pclass)
{
char ch;
const char* qualif;
get_extended_qualifier(sym, xdt);
switch (ch = *sym->current++)
{
case 'A': qualif = NULL; break;
case 'B': qualif = "const"; break;
case 'C': qualif = "volatile"; break;
case 'D': qualif = "const volatile"; break;
case 'Q': qualif = NULL; break;
case 'R': qualif = "const"; break;
case 'S': qualif = "volatile"; break;
case 'T': qualif = "const volatile"; break;
default: return FALSE;
}
if (qualif)
{
xdt->flags &= ~DT_NO_LRSEP_WS;
xdt->left = xdt->left ? str_printf(sym, "%s %s", qualif, xdt->left) : qualif;
}
if (ch >= 'Q' && ch <= 'T') /* pointer to member, fetch class */
{
const char* class = get_class_name(sym);
if (!class) return FALSE;
if (!pclass)
{
FIXME("Got pointer to class %s member without storage\n", class);
return FALSE;
}
*pclass = class;
}
else if (pclass) *pclass = NULL;
return TRUE;
}
static BOOL get_function_qualifier(struct parsed_symbol *sym, const char** qualif)
{
struct datatype_t xdt;
if (!get_qualifier(sym, &xdt, NULL)) return FALSE;
*qualif = (xdt.left || xdt.right) ?
str_printf(sym, "%s%s%s", xdt.left, (xdt.flags & DT_NO_LRSEP_WS) ? "" : " ", xdt.right) : NULL;
return TRUE;
}
static BOOL get_qualified_type(struct datatype_t *ct, struct parsed_symbol* sym,
char qualif, enum datatype_flags flags)
{
struct datatype_t xdt1;
struct datatype_t xdt2;
const char* ref;
const char* str_qualif;
const char* class;
get_extended_qualifier(sym, &xdt1);
switch (qualif)
{
case 'A': ref = " &"; str_qualif = NULL; break;
case 'B': ref = " &"; str_qualif = " volatile"; break;
case 'P': ref = " *"; str_qualif = NULL; break;
case 'Q': ref = " *"; str_qualif = " const"; break;
case 'R': ref = " *"; str_qualif = " volatile"; break;
case 'S': ref = " *"; str_qualif = " const volatile"; break;
case '?': ref = NULL; str_qualif = NULL; break;
case '$': ref = " &&"; str_qualif = NULL; break;
default: return FALSE;
}
ct->right = NULL;
ct->flags = 0;
/* parse managed handle information */
if (sym->current[0] == '$' && sym->current[1] == 'A')
{
sym->current += 2;
switch (qualif)
{
case 'A':
case 'B':
ref = " %";
break;
case 'P':
case 'Q':
case 'R':
case 'S':
ref = " ^";
break;
default:
return FALSE;
}
}
if (get_qualifier(sym, &xdt2, &class))
{
unsigned mark = sym->stack.num;
struct datatype_t sub_ct;
if (ref || str_qualif || xdt1.left || xdt1.right)
{
if (class)
ct->left = str_printf(sym, "%s%s%s%s::%s%s%s",
xdt1.left ? " " : NULL, xdt1.left,
class ? " " : NULL, class, ref ? ref + 1 : NULL,
xdt1.right ? " " : NULL, xdt1.right, str_qualif);
else
ct->left = str_printf(sym, "%s%s%s%s%s%s",
xdt1.left ? " " : NULL, xdt1.left, ref,
xdt1.right ? " " : NULL, xdt1.right, str_qualif);
}
else
ct->left = NULL;
/* multidimensional arrays */
if (*sym->current == 'Y')
{
const char* n1;
int num;
sym->current++;
if (!(n1 = get_number(sym))) return FALSE;
num = atoi(n1);
ct->left = str_printf(sym, " (%s%s", xdt2.left, ct->left && !xdt2.left ? ct->left + 1 : ct->left);
ct->right = ")";
xdt2.left = NULL;
while (num--)
ct->right = str_printf(sym, "%s[%s]", ct->right, get_number(sym));
}
/* Recurse to get the referred-to type */
if (!demangle_datatype(sym, &sub_ct, 0))
return FALSE;
if (sub_ct.flags & DT_NO_LEADING_WS)
ct->left++;
ct->left = str_printf(sym, "%s%s%s%s%s", sub_ct.left, xdt2.left ? " " : NULL,
xdt2.left, ct->left,
((xdt2.left || str_qualif) && (flags & WS_AFTER_QUAL_IF)) ? " " : NULL);
if (sub_ct.right) ct->right = str_printf(sym, "%s%s", ct->right, sub_ct.right);
sym->stack.num = mark;
}
else if (ref || str_qualif || xdt1.left || xdt1.right)
ct->left = str_printf(sym, "%s%s%s%s%s%s",
xdt1.left ? " " : NULL, xdt1.left, ref,
xdt1.right ? " " : NULL, xdt1.right, str_qualif);
else
ct->left = NULL;
return TRUE;
}
/******************************************************************
* get_literal_string
* Gets the literal name from the current position in the mangled
* symbol to the first '@' character. It pushes the parsed name to
* the symbol names stack and returns a pointer to it or NULL in
* case of an error.
*/
static char* get_literal_string(struct parsed_symbol* sym)
{
const char *ptr = sym->current;
do {
if (!((*sym->current >= 'A' && *sym->current <= 'Z') ||
(*sym->current >= 'a' && *sym->current <= 'z') ||
(*sym->current >= '0' && *sym->current <= '9') ||
*sym->current == '_' || *sym->current == '$' ||
*sym->current == '<' || *sym->current == '>')) {
TRACE("Failed at '%c' in %s\n", *sym->current, debugstr_a(ptr));
return NULL;
}
} while (*++sym->current != '@');
sym->current++;
if (!str_array_push(sym, ptr, sym->current - 1 - ptr, &sym->names))
return NULL;
return str_array_get_ref(&sym->names, sym->names.num - sym->names.start - 1);
}
/******************************************************************
* get_template_name
* Parses a name with a template argument list and returns it as
* a string.
* In a template argument list the back reference to the names
* table is separately created. '0' points to the class component
* name with the template arguments. We use the same stack array
* to hold the names but save/restore the stack state before/after
* parsing the template argument list.
*/
static char* get_template_name(struct parsed_symbol* sym)
{
char *name, *args;
unsigned num_mark = sym->names.num;
unsigned start_mark = sym->names.start;
unsigned stack_mark = sym->stack.num;
unsigned args_mark = sym->args.num;
sym->names.start = sym->names.num;
if (!(name = get_literal_string(sym))) {
sym->names.start = start_mark;
return FALSE;
}
args = get_args(sym, FALSE, '<', '>');
if (args != NULL)
name = str_printf(sym, "%s%s", name, args);
sym->names.num = num_mark;
sym->names.start = start_mark;
sym->stack.num = stack_mark;
sym->args.num = args_mark;
return name;
}
/******************************************************************
* get_class
* Parses class as a list of parent-classes, terminated by '@' and stores the
* result in 'a' array. Each parent-classes, as well as the inner element
* (either field/method name or class name), are represented in the mangled
* name by a literal name ([a-zA-Z0-9_]+ terminated by '@') or a back reference
* ([0-9]) or a name with template arguments ('?$' literal name followed by the
* template argument list). The class name components appear in the reverse
* order in the mangled name, e.g aaa@bbb@ccc@@ will be demangled to
* ccc::bbb::aaa
* For each of these class name components a string will be allocated in the
* array.
*/
static BOOL get_class(struct parsed_symbol* sym)
{
const char* name = NULL;
while (*sym->current != '@')
{
switch (*sym->current)
{
case '\0': return FALSE;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9':
name = str_array_get_ref(&sym->names, *sym->current++ - '0');
break;
case '?':
switch (*++sym->current)
{
case '$':
sym->current++;
if ((name = get_template_name(sym)) &&
!str_array_push(sym, name, -1, &sym->names))
return FALSE;
break;
case '?':
{
struct array stack = sym->stack;
unsigned int start = sym->names.start;
unsigned int num = sym->names.num;
str_array_init( &sym->stack );
if (symbol_demangle( sym )) name = str_printf( sym, "`%s'", sym->result );
sym->names.start = start;
sym->names.num = num;
sym->stack = stack;
}
break;
default:
if (!(name = get_number( sym ))) return FALSE;
name = str_printf( sym, "`%s'", name );
break;
}
break;
default:
name = get_literal_string(sym);
break;
}
if (!name || !str_array_push(sym, name, -1, &sym->stack))
return FALSE;
}
sym->current++;
return TRUE;
}
/******************************************************************
* get_class_string
* From an array collected by get_class in sym->stack, constructs the
* corresponding (allocated) string
*/
static char* get_class_string(struct parsed_symbol* sym, int start)
{
int i;
unsigned int len, sz;
char* ret;
struct array *a = &sym->stack;
for (len = 0, i = start; i < a->num; i++)
{
assert(a->elts[i]);
len += 2 + strlen(a->elts[i]);
}
if (!(ret = und_alloc(sym, len - 1))) return NULL;
for (len = 0, i = a->num - 1; i >= start; i--)
{
sz = strlen(a->elts[i]);
memcpy(ret + len, a->elts[i], sz);
len += sz;
if (i > start)
{
ret[len++] = ':';
ret[len++] = ':';
}
}
ret[len] = '\0';
return ret;
}
/******************************************************************
* get_class_name
* Wrapper around get_class and get_class_string.
*/
static char* get_class_name(struct parsed_symbol* sym)
{
unsigned mark = sym->stack.num;
char* s = NULL;
if (get_class(sym))
s = get_class_string(sym, mark);
sym->stack.num = mark;
return s;
}
/******************************************************************
* get_calling_convention
* Returns a static string corresponding to the calling convention described
* by char 'ch'. Sets export to TRUE iff the calling convention is exported.
*/
static BOOL get_calling_convention(char ch, const char** call_conv,
const char** exported, unsigned flags)
{
*call_conv = *exported = NULL;
if (!(flags & (UNDNAME_NO_MS_KEYWORDS | UNDNAME_NO_ALLOCATION_LANGUAGE)))
{
if (flags & UNDNAME_NO_LEADING_UNDERSCORES)
{
if (((ch - 'A') % 2) == 1) *exported = "dll_export ";
switch (ch)
{
case 'A': case 'B': *call_conv = "cdecl"; break;
case 'C': case 'D': *call_conv = "pascal"; break;
case 'E': case 'F': *call_conv = "thiscall"; break;
case 'G': case 'H': *call_conv = "stdcall"; break;
case 'I': case 'J': *call_conv = "fastcall"; break;
case 'K': case 'L': break;
case 'M': *call_conv = "clrcall"; break;
default: ERR("Unknown calling convention %c\n", ch); return FALSE;
}
}
else
{
if (((ch - 'A') % 2) == 1) *exported = "__dll_export ";
switch (ch)
{
case 'A': case 'B': *call_conv = "__cdecl"; break;
case 'C': case 'D': *call_conv = "__pascal"; break;
case 'E': case 'F': *call_conv = "__thiscall"; break;
case 'G': case 'H': *call_conv = "__stdcall"; break;
case 'I': case 'J': *call_conv = "__fastcall"; break;
case 'K': case 'L': break;
case 'M': *call_conv = "__clrcall"; break;
default: ERR("Unknown calling convention %c\n", ch); return FALSE;
}
}
}
return TRUE;
}
/*******************************************************************
* get_simple_type
* Return a string containing an allocated string for a simple data type
*/
static const char* get_simple_type(char c)
{
const char* type_string;
switch (c)
{
case 'C': type_string = "signed char"; break;
case 'D': type_string = "char"; break;
case 'E': type_string = "unsigned char"; break;
case 'F': type_string = "short"; break;
case 'G': type_string = "unsigned short"; break;
case 'H': type_string = "int"; break;
case 'I': type_string = "unsigned int"; break;
case 'J': type_string = "long"; break;
case 'K': type_string = "unsigned long"; break;
case 'M': type_string = "float"; break;
case 'N': type_string = "double"; break;
case 'O': type_string = "long double"; break;
case 'X': type_string = "void"; break;
case 'Z': type_string = "..."; break;
default: type_string = NULL; break;
}
return type_string;
}
/*******************************************************************
* get_extended_type
* Return a string containing an allocated string for a simple data type
*/
static const char* get_extended_type(char c)
{
const char* type_string;
switch (c)
{
case 'D': type_string = "__int8"; break;
case 'E': type_string = "unsigned __int8"; break;
case 'F': type_string = "__int16"; break;
case 'G': type_string = "unsigned __int16"; break;
case 'H': type_string = "__int32"; break;
case 'I': type_string = "unsigned __int32"; break;
case 'J': type_string = "__int64"; break;
case 'K': type_string = "unsigned __int64"; break;
case 'L': type_string = "__int128"; break;
case 'M': type_string = "unsigned __int128"; break;
case 'N': type_string = "bool"; break;
case 'Q': type_string = "char8_t"; break;
case 'S': type_string = "char16_t"; break;
case 'U': type_string = "char32_t"; break;
case 'W': type_string = "wchar_t"; break;
default: type_string = NULL; break;
}
return type_string;
}
struct function_signature
{
const char* call_conv;
const char* exported;
struct datatype_t return_ct;
const char* arguments;
};
static BOOL get_function_signature(struct parsed_symbol* sym, struct function_signature* fs)
{
unsigned mark = sym->stack.num;
if (!get_calling_convention(*sym->current++,
&fs->call_conv, &fs->exported,
sym->flags & ~UNDNAME_NO_ALLOCATION_LANGUAGE) ||
!demangle_datatype(sym, &fs->return_ct, FALSE))
return FALSE;
if (!(fs->arguments = get_args(sym, TRUE, '(', ')')))
return FALSE;
sym->stack.num = mark;
return TRUE;
}
/*******************************************************************
* demangle_datatype
*
* Attempt to demangle a C++ data type, which may be datatype.
* a datatype type is made up of a number of simple types. e.g:
* char** = (pointer to (pointer to (char)))
*/
static BOOL demangle_datatype(struct parsed_symbol* sym, struct datatype_t* ct,
enum datatype_flags flags)
{
char dt;
assert(ct);
ct->left = ct->right = NULL;
ct->flags = 0;
switch (dt = *sym->current++)
{
case '_':
/* MS type: __int8,__int16 etc */
ct->left = get_extended_type(*sym->current++);
break;
case 'C': case 'D': case 'E': case 'F': case 'G':
case 'H': case 'I': case 'J': case 'K': case 'M':
case 'N': case 'O': case 'X': case 'Z':
/* Simple data types */
ct->left = get_simple_type(dt);
break;
case 'T': /* union */
case 'U': /* struct */
case 'V': /* class */
case 'Y': /* cointerface */
/* Class/struct/union/cointerface */
{
const char* struct_name = NULL;
const char* type_name = NULL;
if (!(struct_name = get_class_name(sym)))
goto done;
if (!(sym->flags & UNDNAME_NO_COMPLEX_TYPE))
{
switch (dt)
{
case 'T': type_name = "union "; break;
case 'U': type_name = "struct "; break;
case 'V': type_name = "class "; break;
case 'Y': type_name = "cointerface "; break;
}
}
ct->left = str_printf(sym, "%s%s", type_name, struct_name);
}
break;
case '?':
/* not all the time is seems */
if (flags & IN_ARGS)
{
const char* ptr;
if (!(ptr = get_number(sym))) goto done;
ct->left = str_printf(sym, "`template-parameter-%s'", ptr);
}
else
{
if (!get_qualified_type(ct, sym, '?', flags)) goto done;
}
break;
case 'A': /* reference */
case 'B': /* volatile reference */
if (!get_qualified_type(ct, sym, dt, flags)) goto done;
break;
case 'Q': /* const pointer */
case 'R': /* volatile pointer */
case 'S': /* const volatile pointer */
if (!get_qualified_type(ct, sym, (flags & IN_ARGS) ? dt : 'P', flags)) goto done;
break;
case 'P': /* Pointer */
if (isdigit(*sym->current))
{
/* FIXME:
* P6 = Function pointer
* P8 = Member function pointer
* others who knows.. */
if (*sym->current == '8')
{
struct function_signature fs;
const char* class;
const char* function_qualifier;
sym->current++;
if (!(class = get_class_name(sym)))
goto done;
if (!get_function_qualifier(sym, &function_qualifier))
goto done;
if (!get_function_signature(sym, &fs))
goto done;
ct->left = str_printf(sym, "%s%s (%s %s::*",
fs.return_ct.left, fs.return_ct.right, fs.call_conv, class);
ct->right = str_printf(sym, ")%s%s", fs.arguments, function_qualifier);
}
else if (*sym->current == '6')
{
struct function_signature fs;
sym->current++;
if (!get_function_signature(sym, &fs))
goto done;
ct->left = str_printf(sym, "%s%s (%s*",
fs.return_ct.left, fs.return_ct.right, fs.call_conv);
ct->flags = DT_NO_LEADING_WS;
ct->right = str_printf(sym, ")%s", fs.arguments);
}
else goto done;
}
else if (!get_qualified_type(ct, sym, 'P', flags)) goto done;
break;
case 'W':
if (*sym->current == '4')
{
char* enum_name;
sym->current++;
if (!(enum_name = get_class_name(sym)))
goto done;
if (sym->flags & UNDNAME_NO_COMPLEX_TYPE)
ct->left = enum_name;
else
ct->left = str_printf(sym, "enum %s", enum_name);
}
else goto done;
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
/* Referring back to previously parsed type */
/* left and right are pushed as two separate strings */
ct->left = str_array_get_ref(&sym->args, (dt - '0') * 2);
ct->right = str_array_get_ref(&sym->args, (dt - '0') * 2 + 1);
if (!ct->left) goto done;
break;
case '$':
switch (*sym->current++)
{
case '0':
if (!(ct->left = get_number(sym))) goto done;
break;
case 'D':
{
const char* ptr;
if (!(ptr = get_number(sym))) goto done;
ct->left = str_printf(sym, "`template-parameter%s'", ptr);
}
break;
case 'F':
{
const char* p1;
const char* p2;
if (!(p1 = get_number(sym))) goto done;
if (!(p2 = get_number(sym))) goto done;
ct->left = str_printf(sym, "{%s,%s}", p1, p2);
}
break;
case 'G':
{
const char* p1;
const char* p2;
const char* p3;
if (!(p1 = get_number(sym))) goto done;
if (!(p2 = get_number(sym))) goto done;
if (!(p3 = get_number(sym))) goto done;
ct->left = str_printf(sym, "{%s,%s,%s}", p1, p2, p3);
}
break;
case 'Q':
{
const char* ptr;
if (!(ptr = get_number(sym))) goto done;
ct->left = str_printf(sym, "`non-type-template-parameter%s'", ptr);
}
break;
case '$':
if (*sym->current == 'A')
{
sym->current++;
if (*sym->current == '6')
{
struct function_signature fs;
sym->current++;
if (!get_function_signature(sym, &fs))
goto done;
ct->left = str_printf(sym, "%s%s %s%s",
fs.return_ct.left, fs.return_ct.right, fs.call_conv, fs.arguments);
}
}
else if (*sym->current == 'B')
{
unsigned mark = sym->stack.num;
struct datatype_t sub_ct;
const char* arr = NULL;
sym->current++;
/* multidimensional arrays */
if (*sym->current == 'Y')
{
const char* n1;
int num;
sym->current++;
if (!(n1 = get_number(sym))) goto done;
num = atoi(n1);
while (num--)
arr = str_printf(sym, "%s[%s]", arr, get_number(sym));
}
if (!demangle_datatype(sym, &sub_ct, 0)) goto done;
if (arr)
ct->left = str_printf(sym, "%s %s", sub_ct.left, arr);
else
ct->left = sub_ct.left;
ct->right = sub_ct.right;
sym->stack.num = mark;
}
else if (*sym->current == 'C')
{
struct datatype_t xdt;
sym->current++;
if (!get_qualifier(sym, &xdt, NULL)) goto done;
if (!demangle_datatype(sym, ct, flags)) goto done;
ct->left = str_printf(sym, "%s %s", ct->left, xdt.left);
}
else if (*sym->current == 'Q')
{
sym->current++;
if (!get_qualified_type(ct, sym, '$', flags)) goto done;
}
break;
}
break;
default :
ERR("Unknown type %c\n", dt);
break;
}
done:
return ct->left != NULL;
}
/******************************************************************
* handle_data
* Does the final parsing and handling for a variable or a field in
* a class.
*/
static BOOL handle_data(struct parsed_symbol* sym)
{
const char* access = NULL;
const char* member_type = NULL;
struct datatype_t xdt = {NULL};
struct datatype_t ct;
char* name = NULL;
BOOL ret = FALSE;
/* 0 private static
* 1 protected static
* 2 public static
* 3 private non-static
* 4 protected non-static
* 5 public non-static
* 6 ?? static
* 7 ?? static
*/
if (!(sym->flags & UNDNAME_NO_ACCESS_SPECIFIERS))
{
/* we only print the access for static members */
switch (*sym->current)
{
case '0': access = "private: "; break;
case '1': access = "protected: "; break;
case '2': access = "public: "; break;
}
}
if (!(sym->flags & UNDNAME_NO_MEMBER_TYPE))
{
if (*sym->current >= '0' && *sym->current <= '2')
member_type = "static ";
}
name = get_class_string(sym, 0);
switch (*sym->current++)
{
case '0': case '1': case '2':
case '3': case '4': case '5':
{
unsigned mark = sym->stack.num;
const char* class;
if (!demangle_datatype(sym, &ct, 0)) goto done;
if (!get_qualifier(sym, &xdt, &class)) goto done; /* class doesn't seem to be displayed */
if (xdt.left && xdt.right) xdt.left = str_printf(sym, "%s %s", xdt.left, xdt.right);
else if (!xdt.left) xdt.left = xdt.right;
sym->stack.num = mark;
}
break;
case '6' : /* compiler generated static */
case '7' : /* compiler generated static */
ct.left = ct.right = NULL;
if (!get_qualifier(sym, &xdt, NULL)) goto done;
if (*sym->current != '@')
{
char* cls = NULL;
if (!(cls = get_class_name(sym)))
goto done;
ct.right = str_printf(sym, "{for `%s'}", cls);
}
break;
case '8':
case '9':
xdt.left = ct.left = ct.right = NULL;
break;
default: goto done;
}
if (sym->flags & UNDNAME_NAME_ONLY) ct.left = ct.right = xdt.left = NULL;
sym->result = str_printf(sym, "%s%s%s%s%s%s%s%s", access,
member_type, ct.left,
xdt.left && ct.left ? " " : NULL, xdt.left,
xdt.left || ct.left ? " " : NULL, name, ct.right);
ret = TRUE;
done:
return ret;
}
/******************************************************************
* handle_method
* Does the final parsing and handling for a function or a method in
* a class.
*/
static BOOL handle_method(struct parsed_symbol* sym, BOOL cast_op)
{
char accmem;
const char* access = NULL;
int access_id = -1;
const char* member_type = NULL;
struct datatype_t ct_ret;
const char* call_conv;
const char* function_qualifier = NULL;
const char* exported;
const char* args_str = NULL;
const char* name = NULL;
BOOL ret = FALSE, has_args = TRUE, has_ret = TRUE;
unsigned mark;
/* FIXME: why 2 possible letters for each option?
* 'A' private:
* 'B' private:
* 'C' private: static
* 'D' private: static
* 'E' private: virtual
* 'F' private: virtual
* 'G' private: thunk
* 'H' private: thunk
* 'I' protected:
* 'J' protected:
* 'K' protected: static
* 'L' protected: static
* 'M' protected: virtual
* 'N' protected: virtual
* 'O' protected: thunk
* 'P' protected: thunk
* 'Q' public:
* 'R' public:
* 'S' public: static
* 'T' public: static
* 'U' public: virtual
* 'V' public: virtual
* 'W' public: thunk
* 'X' public: thunk
* 'Y'
* 'Z'
* "$0" private: thunk vtordisp
* "$1" private: thunk vtordisp
* "$2" protected: thunk vtordisp
* "$3" protected: thunk vtordisp
* "$4" public: thunk vtordisp
* "$5" public: thunk vtordisp
* "$B" vcall thunk
* "$R" thunk vtordispex
*/
accmem = *sym->current++;
if (accmem == '$')
{
if (*sym->current >= '0' && *sym->current <= '5')
access_id = (*sym->current - '0') / 2;
else if (*sym->current == 'R')
access_id = (sym->current[1] - '0') / 2;
else if (*sym->current != 'B')
goto done;
}
else if (accmem >= 'A' && accmem <= 'Z')
access_id = (accmem - 'A') / 8;
else
goto done;
switch (access_id)
{
case 0: access = "private: "; break;
case 1: access = "protected: "; break;
case 2: access = "public: "; break;
}
if (accmem == '$' || (accmem - 'A') % 8 == 6 || (accmem - 'A') % 8 == 7)
access = str_printf(sym, "[thunk]:%s", access ? access : " ");
if (accmem == '$' && *sym->current != 'B')
member_type = "virtual ";
else if (accmem <= 'X')
{
switch ((accmem - 'A') % 8)
{
case 2: case 3: member_type = "static "; break;
case 4: case 5: case 6: case 7: member_type = "virtual "; break;
}
}
if (sym->flags & UNDNAME_NO_ACCESS_SPECIFIERS)
access = NULL;
if (sym->flags & UNDNAME_NO_MEMBER_TYPE)
member_type = NULL;
name = get_class_string(sym, 0);
if (accmem == '$' && *sym->current == 'B') /* vcall thunk */
{
const char *n;
sym->current++;
n = get_number(sym);
if(!n || *sym->current++ != 'A') goto done;
name = str_printf(sym, "%s{%s,{flat}}' }'", name, n);
has_args = FALSE;
has_ret = FALSE;
}
else if (accmem == '$' && *sym->current == 'R') /* vtordispex thunk */
{
const char *n1, *n2, *n3, *n4;
sym->current += 2;
n1 = get_number(sym);
n2 = get_number(sym);
n3 = get_number(sym);
n4 = get_number(sym);
if(!n1 || !n2 || !n3 || !n4) goto done;
name = str_printf(sym, "%s`vtordispex{%s,%s,%s,%s}' ", name, n1, n2, n3, n4);
}
else if (accmem == '$') /* vtordisp thunk */
{
const char *n1, *n2;
sym->current++;
n1 = get_number(sym);
n2 = get_number(sym);
if (!n1 || !n2) goto done;
name = str_printf(sym, "%s`vtordisp{%s,%s}' ", name, n1, n2);
}
else if ((accmem - 'A') % 8 == 6 || (accmem - 'A') % 8 == 7) /* a thunk */
name = str_printf(sym, "%s`adjustor{%s}' ", name, get_number(sym));
if (has_args && (accmem == '$' ||
(accmem <= 'X' && (accmem - 'A') % 8 != 2 && (accmem - 'A') % 8 != 3)))
{
/* Implicit 'this' pointer */
if (!get_function_qualifier(sym, &function_qualifier)) goto done;
}
if (!get_calling_convention(*sym->current++, &call_conv, &exported,
sym->flags))
goto done;
/* Return type, or @ if 'void' */
if (has_ret && *sym->current == '@')
{
ct_ret.left = "void";
ct_ret.right = NULL;
sym->current++;
}
else if (has_ret)
{
if (!demangle_datatype(sym, &ct_ret, cast_op ? WS_AFTER_QUAL_IF : 0))
goto done;
}
if (!has_ret || sym->flags & UNDNAME_NO_FUNCTION_RETURNS)
ct_ret.left = ct_ret.right = NULL;
if (cast_op)
{
name = str_printf(sym, "%s %s%s", name, ct_ret.left, ct_ret.right);
ct_ret.left = ct_ret.right = NULL;
}
mark = sym->stack.num;
if (has_args && !(args_str = get_args(sym, TRUE, '(', ')'))) goto done;
if (sym->flags & UNDNAME_NAME_ONLY) args_str = function_qualifier = NULL;
if (sym->flags & UNDNAME_NO_THISTYPE) function_qualifier = NULL;
sym->stack.num = mark;
/* Note: '()' after 'Z' means 'throws', but we don't care here
* Yet!!! FIXME
*/
sym->result = str_printf(sym, "%s%s%s%s%s%s%s%s%s%s%s",
access, member_type, ct_ret.left,
(ct_ret.left && !ct_ret.right) ? " " : NULL,
call_conv, call_conv ? " " : NULL, exported,
name, args_str, function_qualifier, ct_ret.right);
ret = TRUE;
done:
return ret;
}
/*******************************************************************
* symbol_demangle
* Demangle a C++ linker symbol
*/
static BOOL symbol_demangle(struct parsed_symbol* sym)
{
BOOL ret = FALSE;
enum {
PP_NONE,
PP_CONSTRUCTOR,
PP_DESTRUCTOR,
PP_CAST_OPERATOR,
} post_process = PP_NONE;
/* FIXME seems wrong as name, as it demangles a simple data type */
if (sym->flags & UNDNAME_NO_ARGUMENTS)
{
struct datatype_t ct;
if (demangle_datatype(sym, &ct, 0))
{
sym->result = str_printf(sym, "%s%s", ct.left, ct.right);
ret = TRUE;
}
goto done;
}
/* MS mangled names always begin with '?' */
if (*sym->current != '?') return FALSE;
sym->current++;
/* Then function name or operator code */
if (*sym->current == '?')
{
const char* function_name = NULL;
BOOL in_template = FALSE;
if (sym->current[1] == '$' && sym->current[2] == '?')
{
in_template = TRUE;
sym->current += 2;
}
/* C++ operator code (one character, or two if the first is '_') */
switch (*++sym->current)
{
case '0': function_name = ""; post_process = PP_CONSTRUCTOR; break;
case '1': function_name = ""; post_process = PP_DESTRUCTOR; break;
case '2': function_name = "operator new"; break;
case '3': function_name = "operator delete"; break;
case '4': function_name = "operator="; break;
case '5': function_name = "operator>>"; break;
case '6': function_name = "operator<<"; break;
case '7': function_name = "operator!"; break;
case '8': function_name = "operator=="; break;
case '9': function_name = "operator!="; break;
case 'A': function_name = "operator[]"; break;
case 'B': function_name = "operator"; post_process = PP_CAST_OPERATOR; break;
case 'C': function_name = "operator->"; break;
case 'D': function_name = "operator*"; break;
case 'E': function_name = "operator++"; break;
case 'F': function_name = "operator--"; break;
case 'G': function_name = "operator-"; break;
case 'H': function_name = "operator+"; break;
case 'I': function_name = "operator&"; break;
case 'J': function_name = "operator->*"; break;
case 'K': function_name = "operator/"; break;
case 'L': function_name = "operator%"; break;
case 'M': function_name = "operator<"; break;
case 'N': function_name = "operator<="; break;
case 'O': function_name = "operator>"; break;
case 'P': function_name = "operator>="; break;
case 'Q': function_name = "operator,"; break;
case 'R': function_name = "operator()"; break;
case 'S': function_name = "operator~"; break;
case 'T': function_name = "operator^"; break;
case 'U': function_name = "operator|"; break;
case 'V': function_name = "operator&&"; break;
case 'W': function_name = "operator||"; break;
case 'X': function_name = "operator*="; break;
case 'Y': function_name = "operator+="; break;
case 'Z': function_name = "operator-="; break;
case '_':
switch (*++sym->current)
{
case '0': function_name = "operator/="; break;
case '1': function_name = "operator%="; break;
case '2': function_name = "operator>>="; break;
case '3': function_name = "operator<<="; break;
case '4': function_name = "operator&="; break;
case '5': function_name = "operator|="; break;
case '6': function_name = "operator^="; break;
case '7': function_name = "`vftable'"; break;
case '8': function_name = "`vbtable'"; break;
case '9': function_name = "`vcall'"; break;
case 'A': function_name = "`typeof'"; break;
case 'B': function_name = "`local static guard'"; break;
case 'C': sym->result = (char*)"`string'"; /* string literal: followed by string encoding (native never undecode it) */
/* FIXME: should unmangle the whole string for error reporting */
if (*sym->current && sym->current[strlen(sym->current) - 1] == '@') ret = TRUE;
goto done;
case 'D': function_name = "`vbase destructor'"; break;
case 'E': function_name = "`vector deleting destructor'"; break;
case 'F': function_name = "`default constructor closure'"; break;
case 'G': function_name = "`scalar deleting destructor'"; break;
case 'H': function_name = "`vector constructor iterator'"; break;
case 'I': function_name = "`vector destructor iterator'"; break;
case 'J': function_name = "`vector vbase constructor iterator'"; break;
case 'K': function_name = "`virtual displacement map'"; break;
case 'L': function_name = "`eh vector constructor iterator'"; break;
case 'M': function_name = "`eh vector destructor iterator'"; break;
case 'N': function_name = "`eh vector vbase constructor iterator'"; break;
case 'O': function_name = "`copy constructor closure'"; break;
case 'R':
sym->flags |= UNDNAME_NO_FUNCTION_RETURNS;
switch (*++sym->current)
{
case '0':
{
struct datatype_t ct;
sym->current++;
if (!demangle_datatype(sym, &ct, 0))
goto done;
function_name = str_printf(sym, "%s%s `RTTI Type Descriptor'",
ct.left, ct.right);
sym->current--;
}
break;
case '1':
{
const char* n1, *n2, *n3, *n4;
sym->current++;
n1 = get_number(sym);
n2 = get_number(sym);
n3 = get_number(sym);
n4 = get_number(sym);
sym->current--;
function_name = str_printf(sym, "`RTTI Base Class Descriptor at (%s,%s,%s,%s)'",
n1, n2, n3, n4);
}
break;
case '2': function_name = "`RTTI Base Class Array'"; break;
case '3': function_name = "`RTTI Class Hierarchy Descriptor'"; break;
case '4': function_name = "`RTTI Complete Object Locator'"; break;
default:
ERR("Unknown RTTI operator: _R%c\n", *sym->current);
break;
}
break;
case 'S': function_name = "`local vftable'"; break;
case 'T': function_name = "`local vftable constructor closure'"; break;
case 'U': function_name = "operator new[]"; break;
case 'V': function_name = "operator delete[]"; break;
case 'X': function_name = "`placement delete closure'"; break;
case 'Y': function_name = "`placement delete[] closure'"; break;
case '_':
switch (*++sym->current)
{
case 'K':
sym->current++;
function_name = str_printf(sym, "operator \"\" %s", get_literal_string(sym));
--sym->current;
break;
default:
FIXME("Unknown operator: __%c\n", *sym->current);
return FALSE;
}
break;
default:
ERR("Unknown operator: _%c\n", *sym->current);
return FALSE;
}
break;
case '$':
sym->current++;
if (!(function_name = get_template_name(sym))) goto done;
--sym->current;
break;
default:
/* FIXME: Other operators */
ERR("Unknown operator: %c\n", *sym->current);
return FALSE;
}
sym->current++;
if (in_template)
{
unsigned args_mark = sym->args.num;
const char *args;
args = get_args(sym, FALSE, '<', '>');
if (args) function_name = function_name ? str_printf(sym, "%s%s", function_name, args) : args;
sym->args.num = args_mark;
sym->names.num = 0;
}
if (!str_array_push(sym, function_name, -1, &sym->stack))
return FALSE;
}
else if (*sym->current == '$')
{
/* Strange construct, it's a name with a template argument list
and that's all. */
sym->current++;
ret = (sym->result = get_template_name(sym)) != NULL;
goto done;
}
/* Either a class name, or '@' if the symbol is not a class member */
switch (*sym->current)
{
case '@': sym->current++; break;
case '$': break;
default:
/* Class the function is associated with, terminated by '@@' */
if (!get_class(sym)) goto done;
break;
}
switch (post_process)
{
case PP_NONE: default: break;
case PP_CONSTRUCTOR: case PP_DESTRUCTOR:
/* it's time to set the member name for ctor & dtor */
if (sym->stack.num <= 1) goto done;
sym->stack.elts[0] = str_printf(sym, "%s%s%s", post_process == PP_DESTRUCTOR ? "~" : NULL,
sym->stack.elts[1], sym->stack.elts[0]);
/* ctors and dtors don't have return type */
sym->flags |= UNDNAME_NO_FUNCTION_RETURNS;
break;
case PP_CAST_OPERATOR:
sym->flags &= ~UNDNAME_NO_FUNCTION_RETURNS;
break;
}
/* Function/Data type and access level */
if (*sym->current >= '0' && *sym->current <= '9')
ret = handle_data(sym);
else if ((*sym->current >= 'A' && *sym->current <= 'Z') || *sym->current == '$')
ret = handle_method(sym, post_process == PP_CAST_OPERATOR);
else ret = FALSE;
done:
if (ret) assert(sym->result);
else WARN("Failed at %s\n", debugstr_a(sym->current));
return ret;
}
/*********************************************************************
* __unDNameEx (MSVCRT.@)
*
* Demangle a C++ identifier.
*
* PARAMS
* buffer [O] If not NULL, the place to put the demangled string
* mangled [I] Mangled name of the function
* buflen [I] Length of buffer
* memget [I] Function to allocate memory with
* memfree [I] Function to free memory with
* unknown [?] Unknown, possibly a call back
* flags [I] Flags determining demangled format
*
* RETURNS
* Success: A string pointing to the unmangled name, allocated with memget.
* Failure: NULL.
*/
char* CDECL __unDNameEx(char* buffer, const char* mangled, int buflen,
malloc_func_t memget, free_func_t memfree,
void* unknown, unsigned short int flags)
{
struct parsed_symbol sym;
const char* result;
TRACE("(%p,%s,%d,%p,%p,%p,%x)\n",
buffer, debugstr_a(mangled), buflen, memget, memfree, unknown, flags);
/* The flags details is not documented by MS. However, it looks exactly
* like the UNDNAME_ manifest constants from imagehlp.h and dbghelp.h
* So, we copied those (on top of the file)
*/
memset(&sym, 0, sizeof(struct parsed_symbol));
if (flags & UNDNAME_NAME_ONLY)
flags |= UNDNAME_NO_FUNCTION_RETURNS | UNDNAME_NO_ACCESS_SPECIFIERS |
UNDNAME_NO_MEMBER_TYPE | UNDNAME_NO_ALLOCATION_LANGUAGE |
UNDNAME_NO_COMPLEX_TYPE;
sym.flags = flags;
sym.mem_alloc_ptr = memget;
sym.mem_free_ptr = memfree;
sym.current = mangled;
str_array_init( &sym.names );
str_array_init( &sym.stack );
result = symbol_demangle(&sym) ? sym.result : mangled;
if (buffer && buflen)
{
lstrcpynA( buffer, result, buflen);
}
else
{
buffer = memget(strlen(result) + 1);
if (buffer) strcpy(buffer, result);
}
und_free_all(&sym);
return buffer;
}
/*********************************************************************
* __unDName (MSVCRT.@)
*/
char* CDECL __unDName(char* buffer, const char* mangled, int buflen,
malloc_func_t memget, free_func_t memfree,
unsigned short int flags)
{
return __unDNameEx(buffer, mangled, buflen, memget, memfree, NULL, flags);
}
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