char *unmang_intrins(char *buf, char *name, char *last)
{
char cur[4096], *p = cur, *q;
int i;
*p++ = *name++; // past the '$'
while (*name != '@' && *name != '$' && *name)
*p++ = *name++;
*p = 0;
for (i = 0; i < IT_SIZE; i++)
if (!strcmp(cur, cpp_funcname_tab[i]))
break;
if (i >= IT_SIZE)
strcpy(buf, cur);
else
{
if (i < IT_THRESHOLD)
{
switch (i)
{
case 2: // cast op
strcpy(buf, "operator ");
if (*name == '$')
{
buf += strlen(buf);
name = unmang1(buf, name+2, last, FALSE);
}
break;
case 1: // delete
*buf++ = '~';
// fallthrough
case 0: // new
{
char *p = last,*q=buf;
while (*p && *p != ':')
*q++ = *p++;
*q = 0;
}
break;
}
}
else
{
strcpy(buf, "operator ");
strcat(buf, xlate_tab[i]);
}
}
return name;
}
/* Unmangle an entire C++ function */
static char * unmangcppfunc(char *buf, char *name)
{
int ptr = 0;
char ptrs[50];
*buf++ = '(';
while (*name && *name != '$') {
name = unmang1(buf,name,&ptr,&ptrs);
buf = buf+strlen(buf);
if (*name && *name != '$')
*buf++ = ',';
else
*buf++ = ')';
}
*buf=0;
return buf;
}
static char *unmangcpptype(char *buf, char *name, char *last)
{
int i;
*buf++ = '<';
while (*name && *name != '$' && *name != '@' && *name != '#')
{
name = unmang1(buf, name, last, FALSE);
buf = buf + strlen(buf);
if (*name && *name != '$' && *name != '@' && *name != '#')
{
*buf++ = ',';
}
else
{
*buf++ = '>';
*buf++ = ' ';
}
}
if (*name && *name == '$')
name++;
*buf = 0;
return name;
}
/* Argument unmangling for C++ */
static char *unmang1(char *buf, char *name, int *ptr, int **ptrs)
{
start:
if (isdigit(*name)) {
int v = *name++ - '0';
while (isdigit(*name))
v = v*10+ *name++ - '0';
while (v--)
*buf++ = *name++;
*buf = 0;
}
else switch (*name++) {
case 'q': {
char buf1[100],buf2[100];
strcpy(buf1," (*) ");
buf+=5;
name = unmangcppfunc(buf1,name);
name++;
name = unmang1(buf2,name,ptr,ptrs);
buf = putptr(buf,ptr,ptrs);
strcpy(buf,buf2);
strcat(buf,buf1);
buf = buf +strlen(buf);
}
break;
case 'u':
strcpy(buf,"unsigned ");
buf = buf+9;
switch(*name++) {
case 'i':
strcpy(buf,tn_int);
buf = putptr(buf,ptr,ptrs);
break;
case 'l':
strcpy(buf,tn_long);
buf = putptr(buf,ptr,ptrs);
break;
case 's':
strcpy(buf,tn_short);
buf = putptr(buf,ptr,ptrs);
break;
case 'c':
strcpy(buf,tn_char);
buf = putptr(buf,ptr,ptrs);
break;
}
case 'f':
strcpy(buf,tn_float);
buf = putptr(buf,ptr,ptrs);
break;
case 'd':
strcpy(buf,tn_double);
buf = putptr(buf,ptr,ptrs);
break;
case 'g':
strcpy(buf,tn_longdouble);
buf = putptr(buf,ptr,ptrs);
break;
case 'i':
strcpy(buf,tn_int);
buf = putptr(buf,ptr,ptrs);
break;
case 'l':
strcpy(buf,tn_long);
buf = putptr(buf,ptr,ptrs);
break;
case 's':
strcpy(buf,tn_short);
buf = putptr(buf,ptr,ptrs);
break;
case 'c':
strcpy(buf,tn_char);
buf = putptr(buf,ptr,ptrs);
break;
case 'v':
strcpy(buf,tn_void);
buf = putptr(buf,ptr,ptrs);
break;
case 'p':
(*ptrs)[(*ptr)++] = 0;
goto start;
case 'r':
(*ptrs)[(*ptr)++] = 1;
goto start;
case 'e':
strcpy(buf,tn_ellipse);
break;
case '$':
name--;
return name;
}
return name;
}
/* Argument unmangling for C++ */
char *unmang1(char *buf, char *name, char *last, BOOLEAN tof)
{
int v;
int cvol = 0, cconst = 0, clrqual = 0, crrqual = 0;
char buf1[10000], *p, buf2[10000], buf3[1000];
while (*name == '_')
name++;
while (*name == 'x' || *name == 'y')
{
if (*name == 'y')
cvol++;
if (*name == 'x')
cconst++;
if (*name == 'r')
clrqual++;
if (*name == 'R')
crrqual++;
name++;
}
if (*name != 'p' && *name != 'P')
{
if (cconst)
strcat(buf, tn_const);
if (cvol)
strcat(buf, tn_volatile);
}
start: if (isdigit(*name))
{
char *s = buf;
v = *name++ - '0';
while (isdigit(*name))
v = v * 10+ *name++ - '0';
if (name[0] == '@')
name++,v--;
if (v < 0 || v > 200)
return unmang1(buf, name, last, tof); // out of sequence, recover
while (v > 0)
{
char *newname;
if (name[0] == '#')
{
newname = unmangTemplate(buf, name, last);
v -= newname - name;
name = newname;
buf += strlen(buf);
}
else if (name[0] == '$')
{
if (name[1] == '$') // in case of $$lambda
{
*buf++ = *name++;
*buf++ = *name++;
v -= 2;
}
else
{
name++;
newname = unmang1(buf, name, last, FALSE);
v -= newname - name-1;
name = newname;
buf += strlen(buf);
}
}
else
{
v--;
if (*name == '@')
{
*buf++ = ':';
*buf++ = ':';
name++;
}
else
*buf++ = *name++;
*buf = 0;
}
}
if (manglenamecount < MAX_MANGLE_NAME_COUNT)
strcpy(manglenames[manglenamecount++], s);
}
else
switch (*name++)
{
case '$':
p = buf1;
if (*name == 't')
{
name = unmangcpptype(buf, name, last);
}
else if (isdigit(*name))
{
*p++ = '(';
while (*name && *name != '$')
{
*p++ = *name++;
}
if (*name)
name++;
*p++ = ')';
*p = 0;
}
else if (*name == 's')
{
name++;
*p++ = '(';
*p++ = '"';
while (*name && *name != '$')
{
*p++ = *name++;
}
if (*name)
name++;
*p++ = '"';
*p++ = ')';
*p = 0;
}
break;
case 'Q':
case 'q':
p = buf1;
if (!tof)
{
*p++ = '(';
*p++ = '*';
*p++ = ')';
}
*p++ = '(';
*p = 0;
if (*name == 'v')
{
// special case for func with void argument
*p++ = ',';
*p++ = ' ';
*p = 0;
name++;
}
else
{
while (*name && *name != '$')
{
if (*name == '#')
{
name = unmangTemplate(p, name, last);
}
else
{
name = unmang1(p, name, last, FALSE);
}
p += strlen(p);
*p++ = ',';
*p++ = ' ';
*p = 0;
}
}
if (*name == '$')
name++;
if (p >= buf1+2)
p -= 2;
*p = 0;
if (*name)
{
// discard return value
buf2[0] = 0;
name = unmang1(buf2, name, last, FALSE);
}
strcpy(buf, buf1);
strcat(buf, ")");
if (cconst)
strcat(buf, tn_const);
if (cvol)
strcat(buf, tn_volatile);
if (clrqual)
strcat(buf, "& ");
if (crrqual)
strcat(buf, "&& ");
buf += strlen(buf);
break;
case 'h':
strcpy(buf, tn_char16_t);
buf += strlen(buf);
break;
case 'H':
strcpy(buf, tn_char32_t);
buf += strlen(buf);
break;
case 'S':
strcpy(buf, tn_signed);
buf = buf + 7;
if (*name++ == 'c')
strcpy(buf, tn_char);
break;
case 'u':
strcpy(buf, "unsigned ");
buf = buf + 9;
switch (*name++)
{
case 'i':
strcpy(buf, tn_int);
break;
case 'l':
strcpy(buf, tn_long);
break;
case 'L':
strcpy(buf, tn_longlong);
break;
case 's':
strcpy(buf, tn_short);
break;
case 'c':
strcpy(buf, tn_char);
break;
}
break;
case 'M':
if (*name == '#')
{
name = unmangTemplate(buf2, name, last);
}
else if (*name == 'n')
{
name++;
v = *name++ - '0';
if (v > 9)
v -= 7;
strcpy(buf2, manglenames[v]);
p = buf2 + strlen(buf2);
}
else
{
v = *name++ - '0';
while (isdigit(*name))
v = v * 10+ *name++ - '0';
p = buf3;
while (v--)
{
if (*name == '@')
{
name++;
*p++ = ':';
*p++ = ':';
}
else
*p++ = *name++;
*p = 0;
}
if (manglenamecount < MAX_MANGLE_NAME_COUNT)
strcpy(manglenames[manglenamecount++], buf2);
if (buf3[0] == '#')
{
unmangTemplate(buf2, buf3, last);
}
else
{
strcpy(buf2, buf3);
}
p = buf2 + strlen(buf2);
}
strcpy(p, "::*");
buf3[0] = 0;
if (name[0] == 'q')
{
name = unmang1(buf3, name, last, TRUE);
}
buf1[0] = 0;
if (name[0] == '$')
{
name = unmang1(buf1, ++name, last, FALSE);
}
if (buf3[0])
{
sprintf(buf, "%s((%s)%s)", buf1, buf2, buf3);
}
else
{
sprintf(buf, "%s %s", buf1, buf2);
}
break;
case 'n':
v = *name++ - '0';
if (v > 9)
v -= 7;
strcpy(buf, manglenames[v]);
break;
case 'v':
strcpy(buf, tn_void);
break;
case 'F':
strcpy(buf, tn_floatcomplex);
break;
case 'D':
strcpy(buf, tn_doublecomplex);
break;
case 'G':
strcpy(buf, tn_longdoublecomplex);
break;
case 'f':
strcpy(buf, tn_float);
break;
case 'd':
strcpy(buf, tn_double);
break;
case 'g':
strcpy(buf, tn_longdouble);
break;
case 'i':
strcpy(buf, tn_int);
break;
case 'l':
strcpy(buf, tn_long);
break;
case 'L':
strcpy(buf, tn_longlong);
break;
case 's':
strcpy(buf, tn_short);
break;
case 'c':
strcpy(buf, tn_char);
break;
case 'C':
strcpy(buf, tn_wchar_t);
break;
case 'p':
case 'P':
if (*name == 'q' || *name == 'Q')
{
strcpy(buf, "(*");
if (cconst)
strcat(buf, tn_const);
if (cvol)
strcat(buf, tn_volatile);
strcat(buf, ")");
buf += strlen(buf);
name = unmang1(buf, name, last, FALSE);
if (clrqual)
strcat(buf, "& ");
if (crrqual)
strcat(buf, "&& ");
buf = buf + strlen(buf);
}
else
{
name--;
name -= cvol + cconst;
name = unmangptr(buf, name, last);
buf = buf + strlen(buf);
}
break;
case 'R':
while (*name == 'x' || *name == 'y')
{
if (*name == 'y')
cvol++;
if (*name == 'x')
cconst++;
if (*name == 'r')
clrqual++;
if (*name == 'R')
crrqual++;
name++;
}
if (cconst)
{
strcat(buf, tn_const);
}
if (cvol)
{
strcat(buf , tn_volatile);
}
buf = buf + strlen(buf);
if (*name == '#')
{
name = unmangTemplate(buf, name, last);
}
else
{
name = unmang1(buf, name, last, FALSE);
}
buf = buf + strlen(buf);
*buf++ = '&';
*buf++ = '&';
*buf = 0;
break;
case 'r':
while (*name == 'x' || *name == 'y')
{
if (*name == 'y')
cvol++;
if (*name == 'x')
cconst++;
if (*name == 'r')
clrqual++;
if (*name == 'R')
crrqual++;
name++;
}
if (cconst)
{
strcat(buf, tn_const);
}
if (cvol)
{
strcat(buf , tn_volatile);
}
buf = buf + strlen(buf);
if (*name == '#')
{
name = unmangTemplate(buf, name, last);
}
else
{
name = unmang1(buf, name, last, FALSE);
}
buf = buf + strlen(buf);
*buf++ = '&';
*buf = 0;
break;
case 'e':
strcpy(buf, tn_ellipse);
break;
case 'E':
name += 3;
strcpy(buf, "decltype(...) ");
break;
case '#':
buf += strlen(buf);
name = unmangTemplate(buf, name-1, last);
break;
}
return name;
}
static char *unmangTemplate(char *buf, char *name, char *last)
{
if (*name == '#')
{
name++;
if (*name == '$' && (name[1] == 'b' || name[1] == 'o'))
{
buf[0] = 0;
name = unmang_intrins(buf, name, last);
buf += strlen(buf);
}
else
{
while (*name && *name != '$')
*buf ++ = *name ++;
}
*buf++ = '<';
if (*name)
{
name++;
if (*name == '~')
{
*buf++ = ',';
*buf++ = ' ';
}
else
{
while (*name && *name != '~')
{
if (*name == '#')
{
name = unmangTemplate(buf, name, last);
buf += strlen(buf);
}
else
{
char tname[10000];
*buf = 0;
tname[0] = 0;
if (*name == 'e')
{
strcpy(tname, "...");
name++;
}
name = unmang1(tname+strlen(tname), name, last, FALSE);
if (*name == '$')
{
name++;
strcat(tname,"=");
name = unmangleExpression(tname + strlen(tname), name);
}
strcpy(buf, tname);
buf += strlen(buf);
}
*buf++ = ',';
*buf++ = ' ';
}
}
if (*name) name++;
}
else
{
*buf++ = ',';
*buf++ = ' ';
}
buf[-2] = '>';
buf[-1] = 0;
}
return name;
}
char *unmangleExpression(char *dest, char *name)
{
if (isdigit(*name) || *name == '_' )
{
if (*name== '_')
{
*dest++ = '-';
name++;
}
while(isdigit(*name))
{
*dest++ = *name ++;
}
name++ ; // past '&'
}
else
{
switch(*name++)
{
case 'n':
strcpy(dest, "nullptr");
break;
case 'p':
dest = unmangleExpression(dest, name);
*dest++='+';
dest = unmangleExpression(dest, name);
break;
case 's':
dest = unmangleExpression(dest, name);
*dest++='-';
dest = unmangleExpression(dest, name);
break;
case 'u':
*dest++ = '-';
dest = unmangleExpression(dest, name);
break;
case 'i':
{
char next = *name++;
dest = unmangleExpression(dest, name);
if (next == 'p')
{
*dest++='+';
*dest++='+';
}
else
{
*dest++='-';
*dest++='-';
}
break;
}
case 'm':
dest = unmangleExpression(dest, name);
*dest++='*';
dest = unmangleExpression(dest, name);
break;
case 'o':
dest = unmangleExpression(dest, name);
*dest++='%';
dest = unmangleExpression(dest, name);
break;
case 'd':
dest = unmangleExpression(dest, name);
*dest++='/';
dest = unmangleExpression(dest, name);
break;
case 'h':
{
char next = *name++;
dest = unmangleExpression(dest, name);
if (next == 'l')
{
*dest++='<';
*dest++='<';
}
else
{
*dest++='>';
*dest++='>';
}
dest = unmangleExpression(dest, name);
break;
}
case 'C':
dest = unmangleExpression(dest, name);
*dest++='?';
dest = unmangleExpression(dest, name);
*dest++=':';
dest = unmangleExpression(dest, name);
break;
case 'c':
{
char next = *name++, next1=0;
if (next != 'e' && next != 'n')
{
next1 = *name++;
}
dest = unmangleExpression(dest, name);
switch(next)
{
case 'e':
*dest++ = '=';
*dest++ = '=';
break;
case 'n':
*dest++ = '!';
*dest++ = '=';
break;
case 'g':
*dest++ = '>';
if (next1 == 'e')
*dest++ = '=';
break;
case 'l':
*dest++ = '<';
if (next1 == 'e')
*dest++ = '=';
break;
}
dest = unmangleExpression(dest, name);
break;
}
case 'b':
{
char next = *name++;
if (next == 'n')
{
*dest++ = '~';
dest = unmangleExpression(dest, name);
}
else
{
dest = unmangleExpression(dest, name);
switch (next)
{
case 'a':
*dest++= '&';
break;
case 'o':
*dest++= '|';
break;
case 'x':
*dest++= '^';
break;
}
dest = unmangleExpression(dest, name);
}
break;
}
case 'l':
{
char next = *name++;
if (next == 'n')
{
*dest++ = '!';
dest = unmangleExpression(dest, name);
}
else
{
dest = unmangleExpression(dest, name);
switch (next)
{
case 'a':
*dest++= '&';
*dest++= '&';
break;
case 'o':
*dest++= '|';
*dest++= '|';
break;
}
dest = unmangleExpression(dest, name);
}
break;
}
case 't':
{
char next = *name++;
if (next == 's')
{
int v;
if (*name == '#')
{
name = unmangTemplate(dest, name, "");
dest += strlen(dest);
}
else if (isdigit(*name))
{
v = *name++ - '0';
while (isdigit(*name))
v = v * 10+ *name++ - '0';
strncpy(dest, name, v);
name += v;
dest += strlen(dest);
}
else if (*name == 'n')
{
name++;
v = *name++ - '0';
if (v > 9)
v -= 7;
strcpy(dest, manglenames[v]);
dest += strlen(dest);
}
while (*name == 't')
{
name++;
*dest++=':';
*dest++=':';
if (isdigit(*name))
{
v = *name++ - '0';
while (isdigit(*name))
v = v * 10+ *name++ - '0';
strncpy(dest, name, v);
name += v;
dest += strlen(dest);
}
else if (*name == 'n')
{
name++;
v = *name++ - '0';
if (v > 9)
v -= 7;
strcpy(dest, manglenames[v]);
dest += strlen(dest);
}
}
}
else
{
int v;
name++;
if (isdigit (*name))
{
v = *name++ - '0';
while (isdigit(*name))
v = v * 10+ *name++ - '0';
strncpy(dest, name, v);
name += v;
dest += strlen(dest);
}
else if (*name == 'n')
{
name++;
v = *name++ - '0';
if (v > 9)
v -= 7;
strcpy(dest, manglenames[v]);
dest += strlen(dest);
}
}
}
case 'f':
{
int v;
if (isdigit (*name))
{
v = *name++ - '0';
while (isdigit(*name))
v = v * 10+ *name++ - '0';
strncpy(dest, name, v);
name += v;
dest += strlen(dest);
}
else if (*name == 'n')
{
name++;
v = *name++ - '0';
if (v > 9)
v -= 7;
strcpy(dest, manglenames[v]);
dest += strlen(dest);
}
*dest++='(';
while (*name == 'f')
{
name ++;
dest = unmangleExpression(dest, name);
}
*dest++=')';
*dest = 0;
break;
}
case 'e':
if (*name == '&')
{
*dest++='*';
name++;
}
while (*name && *name != '$')
*dest++ = *name++;
if (*name)
{
char bft[4096];
name ++;
unmang1(bft, name, "", FALSE);
}
break;
case 'g':
if (*name == '&')
{
*dest++='*';
name++;
}
while (*name && *name != '$')
*dest++ = *name++;
if (*name)
{
name ++;
}
break;
}
}
*dest = 0;
return name;
}
/* Argument unmangling for C++ */
static char *unmangptr(char *buf , char *name, char *last)
{
int cvol = 0;
int cconst = 0;
while (*name == 'x' || *name == 'y')
{
if (*name == 'y')
cvol++;
if (*name == 'x')
cconst++;
name++;
}
if (*name == 'p' || *name == 'P')
{
name = unmangptr(buf, name+1, last);
strcat(buf, "*");
if (cconst)
{
strcat(buf, tn_const);
}
if (cvol)
{
strcat(buf , tn_volatile);
}
if (*name == 'A')
{
while (*name == 'A')
{
int n = 0;
name++;
while (isdigit (*name))
n = n * 10 + (*name ++ & 0xf);
sprintf(buf + strlen(buf), "[%d]", n);
}
name = unmangptr(buf, name, last);
}
}
else if (*name != 'A')
{
char basetp[4096];
int l;
if (cconst)
{
strcat(buf, tn_const);
}
if (cvol)
{
strcat(buf , tn_volatile);
}
if (*name == '#')
{
name = unmangTemplate(basetp, name, last);
}
else
{
name = unmang1(basetp, name, last, FALSE);
}
l = strlen(basetp);
memmove(buf + l, buf, strlen(buf)+1);
memcpy(buf, basetp, l);
}
return name;
}
/* Name unmangling in general */
char *unmangle(char *val, char *name)
{
char *buf = val;
char *last = buf;
buf[0] = 0;
manglenamecount = 0;
if (!strncmp(name, "_Anonymous++", 12))
{
strcpy(buf, "{anonymous}");
}
else if (!strncmp(name, "_Unnamed++", 10))
{
strcpy(buf, "{unnamed}");
}
else if (name[0] == '_')
{
strcpy(buf, &name[1]);
}
else
if (name[0] != '@')
{
strcpy(buf, name);
}
else
{
name++;
last = buf;
while (*name)
{
if (*name == '#')
{
*buf = 0;
name = unmangTemplate(buf, name, last);
buf += strlen(buf);
}
else if (*name == '$')
{
*buf = 0;
if (name[1] == 'b' || name[1] == 'o')
{
name = unmang_intrins(buf, name, last);
}
else
{
name = unmang1(buf, name+1, last, TRUE);
}
buf += strlen(buf);
}
else if (*name == '@')
{
name++;
*buf = 0;
if (!strcmp(anonymousNameSpaceName, last))
{
strcpy(last,"{unique}");
buf = last + strlen(last);
}
*buf++ = ':';
*buf++ = ':';
if (*name != '$' && (*name != '#' || name[1] != '$'))
last = buf;
}
else
{
*buf++ = *name++;
}
}
*buf = 0;
}
return val;
}
