diff options
Diffstat (limited to 'contrib/gcc/cp/tinfo2.cc')
-rw-r--r-- | contrib/gcc/cp/tinfo2.cc | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/contrib/gcc/cp/tinfo2.cc b/contrib/gcc/cp/tinfo2.cc deleted file mode 100644 index b101db3c0548..000000000000 --- a/contrib/gcc/cp/tinfo2.cc +++ /dev/null @@ -1,300 +0,0 @@ -// Methods for type_info for -*- C++ -*- Run Time Type Identification. -// Copyright (C) 1994, 96-97, 1998 Free Software Foundation - -// This file is part of GNU CC. - -// GNU CC is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; either version 2, or (at your option) -// any later version. - -// GNU CC 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 General Public License for more details. - -// You should have received a copy of the GNU General Public License -// along with GNU CC; see the file COPYING. If not, write to -// the Free Software Foundation, 59 Temple Place - Suite 330, -// Boston, MA 02111-1307, USA. - -// As a special exception, if you link this library with other files, -// some of which are compiled with GCC, to produce an executable, -// this library does not by itself cause the resulting executable -// to be covered by the GNU General Public License. -// This exception does not however invalidate any other reasons why -// the executable file might be covered by the GNU General Public License. - -#include <stddef.h> -#include "tinfo.h" -#include "new" // for placement new - -using std::type_info; - -bool -type_info::before (const type_info &arg) const -{ - return strcmp (name (), arg.name ()) < 0; -} - -// type info for pointer type. - -struct __pointer_type_info : public type_info { - const type_info& type; - - __pointer_type_info (const char *n, const type_info& ti) - : type_info (n), type (ti) {} -}; - -// type info for attributes - -struct __attr_type_info : public type_info { - enum cv { NONE = 0, CONST = 1, VOLATILE = 2, CONSTVOL = 1 | 2 }; - - const type_info& type; - cv attr; - - __attr_type_info (const char *n, cv a, const type_info& t) - : type_info (n), type (t), attr (a) {} -}; - -// type_info for builtin type - -struct __builtin_type_info : public type_info { - __builtin_type_info (const char *n): type_info (n) {} -}; - -// type info for function. - -struct __func_type_info : public type_info { - __func_type_info (const char *n) : type_info (n) {} -}; - -// type info for pointer to member function. - -struct __ptmf_type_info : public type_info { - __ptmf_type_info (const char *n) : type_info (n) {} -}; - -// type info for pointer to data member. - -struct __ptmd_type_info : public type_info { - __ptmd_type_info (const char *n): type_info (n) {} -}; - -// type info for array. - -struct __array_type_info : public type_info { - __array_type_info (const char *n): type_info (n) {} -}; - -// Entry points for the compiler. - -/* Low level match routine used by compiler to match types of catch - variables and thrown objects. */ - -extern "C" void* -__throw_type_match_rtti (const void *catch_type_r, const void *throw_type_r, - void *objptr) -{ - const type_info &catch_type = *(const type_info *)catch_type_r; - const type_info &throw_type = *(const type_info *)throw_type_r; - - if (catch_type == throw_type) - return objptr; - -#if 0 - printf ("We want to match a %s against a %s!\n", - throw_type.name (), catch_type.name ()); -#endif - - void *new_objptr = 0; - - if (const __user_type_info *p - = dynamic_cast <const __user_type_info *> (&throw_type)) - { - /* The 1 skips conversions to private bases. */ - new_objptr = p->dcast (catch_type, 1, objptr); - } - else if (const __pointer_type_info *fr = - dynamic_cast <const __pointer_type_info *> (&throw_type)) - { - const __pointer_type_info *to = - dynamic_cast <const __pointer_type_info *> (&catch_type); - - if (! to) - goto fail; - - const type_info *subfr = &fr->type, *subto = &to->type; - __attr_type_info::cv cvfrom, cvto; - - if (const __attr_type_info *at - = dynamic_cast <const __attr_type_info *> (subfr)) - { - cvfrom = at->attr; - subfr = &at->type; - } - else - cvfrom = __attr_type_info::NONE; - - if (const __attr_type_info *at - = dynamic_cast <const __attr_type_info *> (subto)) - { - cvto = at->attr; - subto = &at->type; - } - else - cvto = __attr_type_info::NONE; - - if (((cvfrom & __attr_type_info::CONST) - > (cvto & __attr_type_info::CONST)) - || ((cvfrom & __attr_type_info::VOLATILE) - > (cvto & __attr_type_info::VOLATILE))) - goto fail; - - if (*subto == *subfr) - new_objptr = objptr; - else if (*subto == typeid (void) - && dynamic_cast <const __func_type_info *> (subfr) == 0) - new_objptr = objptr; - else if (const __user_type_info *p - = dynamic_cast <const __user_type_info *> (subfr)) - { - /* The 1 skips conversions to private bases. */ - new_objptr = p->dcast (*subto, 1, objptr); - } - else if (const __pointer_type_info *pfr - = dynamic_cast <const __pointer_type_info *> (subfr)) - { - // Multi-level pointer conversion. - - const __pointer_type_info *pto - = dynamic_cast <const __pointer_type_info *> (subto); - - if (! pto) - goto fail; - - bool constp = (cvto & __attr_type_info::CONST); - for (subto = &pto->type, subfr = &pfr->type; ; - subto = &pto->type, subfr = &pfr->type) - { - if (const __attr_type_info *at - = dynamic_cast <const __attr_type_info *> (subfr)) - { - cvfrom = at->attr; - subfr = &at->type; - } - else - cvfrom = __attr_type_info::NONE; - - if (const __attr_type_info *at - = dynamic_cast <const __attr_type_info *> (subto)) - { - cvto = at->attr; - subto = &at->type; - } - else - cvto = __attr_type_info::NONE; - - if (((cvfrom & __attr_type_info::CONST) - > (cvto & __attr_type_info::CONST)) - || ((cvfrom & __attr_type_info::VOLATILE) - > (cvto & __attr_type_info::VOLATILE))) - goto fail; - - if (! constp - && (((cvfrom & __attr_type_info::CONST) - < (cvto & __attr_type_info::CONST)) - || ((cvfrom & __attr_type_info::VOLATILE) - < (cvto & __attr_type_info::VOLATILE)))) - goto fail; - - if (*subto == *subfr) - { - new_objptr = objptr; - break; - } - - pto = dynamic_cast <const __pointer_type_info *> (subto); - pfr = dynamic_cast <const __pointer_type_info *> (subfr); - if (! pto || ! pfr) - goto fail; - - if (! (cvto & __attr_type_info::CONST)) - constp = false; - } - } - } - fail: - -#if 0 - if (new_objptr) - printf ("It converts, delta is %d\n", new_objptr-objptr); -#endif - return new_objptr; -} - -/* Called from __cp_pop_exception. Is P the type_info node for a pointer - of some kind? */ - -bool -__is_pointer (void *p) -{ - const type_info *t = reinterpret_cast <const type_info *>(p); - const __pointer_type_info *pt = - dynamic_cast <const __pointer_type_info *> (t); - return pt != 0; -} - -extern "C" void -__rtti_ptr (void *addr, const char *n, const type_info *ti) -{ new (addr) __pointer_type_info (n, *ti); } - -extern "C" void -__rtti_attr (void *addr, const char *n, int attrval, const type_info *ti) -{ - new (addr) __attr_type_info - (n, static_cast <__attr_type_info::cv> (attrval), *ti); -} - -extern "C" void -__rtti_func (void *addr, const char *name) -{ new (addr) __func_type_info (name); } - -extern "C" void -__rtti_ptmf (void *addr, const char *name) -{ new (addr) __ptmf_type_info (name); } - -extern "C" void -__rtti_ptmd (void *addr, const char *name) -{ new (addr) __ptmd_type_info (name); } - -extern "C" void -__rtti_array (void *addr, const char *name) -{ new (addr) __array_type_info (name); } - -extern "C" void * -__dynamic_cast (const type_info& (*from)(void), const type_info& (*to)(void), - int require_public, void *address, - const type_info & (*sub)(void), void *subptr) -{ - return static_cast <const __user_type_info &> (from ()).dcast - (to (), require_public, address, &(sub ()), subptr); -} - -// type_info nodes and functions for the builtin types. The mangling here -// must match the mangling in gcc/cp/rtti.c. - -#define BUILTIN(mangled) \ -unsigned char __ti##mangled [sizeof (__builtin_type_info)] \ - __attribute__ ((aligned (__alignof__ (void *)))); \ -extern "C" const type_info &__tf##mangled (void) { \ - if ((*(void **) __ti##mangled) == 0) \ - new (__ti##mangled) __builtin_type_info (#mangled); \ - return *(type_info *)__ti##mangled; \ -} - -BUILTIN (v); BUILTIN (x); BUILTIN (l); BUILTIN (i); BUILTIN (s); BUILTIN (b); -BUILTIN (c); BUILTIN (w); BUILTIN (r); BUILTIN (d); BUILTIN (f); -BUILTIN (Ui); BUILTIN (Ul); BUILTIN (Ux); BUILTIN (Us); BUILTIN (Uc); -BUILTIN (Sc); |