Bump for 3.6-28
[LibreOffice.git] / bridges / source / cpp_uno / gcc3_solaris_intel / except.cxx
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30 #include <stdio.h>
31 #include <strings.h>
32 #include <dlfcn.h>
33 #include <cxxabi.h>
34 #include <boost/unordered_map.hpp>
36 #include <rtl/instance.hxx>
37 #include <rtl/strbuf.hxx>
38 #include <rtl/ustrbuf.hxx>
39 #include <osl/diagnose.h>
40 #include <osl/mutex.hxx>
42 #include <com/sun/star/uno/genfunc.hxx>
43 #include "com/sun/star/uno/RuntimeException.hpp"
44 #include <typelib/typedescription.hxx>
45 #include <uno/any2.h>
47 #include "share.hxx"
50 using namespace ::std;
51 using namespace ::osl;
52 using namespace ::rtl;
53 using namespace ::com::sun::star::uno;
54 using namespace ::__cxxabiv1;
57 namespace CPPU_CURRENT_NAMESPACE
60 void dummy_can_throw_anything( char const * )
64 //==================================================================================================
65 static OUString toUNOname( char const * p ) SAL_THROW(())
67 #if OSL_DEBUG_LEVEL > 1
68 char const * start = p;
69 #endif
71 // example: N3com3sun4star4lang24IllegalArgumentExceptionE
73 OUStringBuffer buf( 64 );
74 OSL_ASSERT( 'N' == *p );
75 ++p; // skip N
77 while ('E' != *p)
79 // read chars count
80 long n = (*p++ - '0');
81 while ('0' <= *p && '9' >= *p)
83 n *= 10;
84 n += (*p++ - '0');
86 buf.appendAscii( p, n );
87 p += n;
88 if ('E' != *p)
89 buf.append( (sal_Unicode)'.' );
92 #if OSL_DEBUG_LEVEL > 1
93 OUString ret( buf.makeStringAndClear() );
94 OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) );
95 fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() );
96 return ret;
97 #else
98 return buf.makeStringAndClear();
99 #endif
102 //==================================================================================================
103 class RTTI
105 typedef boost::unordered_map< OUString, type_info *, OUStringHash > t_rtti_map;
107 Mutex m_mutex;
108 t_rtti_map m_rttis;
109 t_rtti_map m_generatedRttis;
111 void * m_hApp;
113 public:
114 RTTI() SAL_THROW(());
115 ~RTTI() SAL_THROW(());
117 type_info * getRTTI( typelib_CompoundTypeDescription * ) SAL_THROW(());
119 //__________________________________________________________________________________________________
120 RTTI::RTTI() SAL_THROW(())
121 : m_hApp( dlopen( 0, RTLD_LAZY ) )
124 //__________________________________________________________________________________________________
125 RTTI::~RTTI() SAL_THROW(())
127 dlclose( m_hApp );
130 //__________________________________________________________________________________________________
131 type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) SAL_THROW(())
133 type_info * rtti;
135 OUString const & unoName = *(OUString const *)&pTypeDescr->aBase.pTypeName;
137 MutexGuard guard( m_mutex );
138 t_rtti_map::const_iterator iFind( m_rttis.find( unoName ) );
139 if (iFind == m_rttis.end())
141 // RTTI symbol
142 OStringBuffer buf( 64 );
143 buf.append( RTL_CONSTASCII_STRINGPARAM("_ZTIN") );
144 sal_Int32 index = 0;
147 OUString token( unoName.getToken( 0, '.', index ) );
148 buf.append( token.getLength() );
149 OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) );
150 buf.append( c_token );
152 while (index >= 0);
153 buf.append( 'E' );
155 OString symName( buf.makeStringAndClear() );
156 rtti = (type_info *)dlsym( m_hApp, symName.getStr() );
158 if (rtti)
160 pair< t_rtti_map::iterator, bool > insertion(
161 m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
162 OSL_ENSURE( insertion.second, "### inserting new rtti failed?!" );
164 else
166 // try to lookup the symbol in the generated rtti map
167 t_rtti_map::const_iterator iFind( m_generatedRttis.find( unoName ) );
168 if (iFind == m_generatedRttis.end())
170 // we must generate it !
171 // symbol and rtti-name is nearly identical,
172 // the symbol is prefixed with _ZTI
173 char const * rttiName = symName.getStr() +4;
174 #if OSL_DEBUG_LEVEL > 1
175 fprintf( stderr,"generated rtti for %s\n", rttiName );
176 #endif
177 if (pTypeDescr->pBaseTypeDescription)
179 // ensure availability of base
180 type_info * base_rtti = getRTTI(
181 (typelib_CompoundTypeDescription *)pTypeDescr->pBaseTypeDescription );
182 rtti = new __si_class_type_info(
183 strdup( rttiName ), (__class_type_info *)base_rtti );
185 else
187 // this class has no base class
188 rtti = new __class_type_info( strdup( rttiName ) );
191 pair< t_rtti_map::iterator, bool > insertion(
192 m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
193 OSL_ENSURE( insertion.second, "### inserting new generated rtti failed?!" );
195 else // taking already generated rtti
197 rtti = iFind->second;
201 else
203 rtti = iFind->second;
206 return rtti;
209 struct RTTISingleton: public rtl::Static< RTTI, RTTISingleton > {};
211 //--------------------------------------------------------------------------------------------------
212 static void deleteException( void * pExc )
214 __cxa_exception const * header = ((__cxa_exception const *)pExc - 1);
215 typelib_TypeDescription * pTD = 0;
216 OUString unoName( toUNOname( header->exceptionType->name() ) );
217 ::typelib_typedescription_getByName( &pTD, unoName.pData );
218 OSL_ENSURE( pTD, "### unknown exception type! leaving out destruction => leaking!!!" );
219 if (pTD)
221 ::uno_destructData( pExc, pTD, cpp_release );
222 ::typelib_typedescription_release( pTD );
226 //==================================================================================================
227 void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp )
229 #if OSL_DEBUG_LEVEL > 1
230 OString cstr(
231 OUStringToOString(
232 *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
233 RTL_TEXTENCODING_ASCII_US ) );
234 fprintf( stderr, "> uno exception occurred: %s\n", cstr.getStr() );
235 #endif
236 void * pCppExc;
237 type_info * rtti;
240 // construct cpp exception object
241 typelib_TypeDescription * pTypeDescr = 0;
242 TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType );
243 OSL_ASSERT( pTypeDescr );
244 if (! pTypeDescr)
246 throw RuntimeException(
247 OUString( RTL_CONSTASCII_USTRINGPARAM("cannot get typedescription for type ") ) +
248 *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
249 Reference< XInterface >() );
252 pCppExc = __cxa_allocate_exception( pTypeDescr->nSize );
253 ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp );
255 // destruct uno exception
256 ::uno_any_destruct( pUnoExc, 0 );
257 rtti = (type_info *)RTTISingleton::get().getRTTI( (typelib_CompoundTypeDescription *) pTypeDescr );
258 TYPELIB_DANGER_RELEASE( pTypeDescr );
259 OSL_ENSURE( rtti, "### no rtti for throwing exception!" );
260 if (! rtti)
262 throw RuntimeException(
263 OUString( RTL_CONSTASCII_USTRINGPARAM("no rtti for type ") ) +
264 *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
265 Reference< XInterface >() );
269 __cxa_throw( pCppExc, rtti, deleteException );
272 //==================================================================================================
273 void fillUnoException( __cxa_exception * header, uno_Any * pUnoExc, uno_Mapping * pCpp2Uno )
275 if (! header)
277 RuntimeException aRE(
278 OUString( RTL_CONSTASCII_USTRINGPARAM("no exception header!") ),
279 Reference< XInterface >() );
280 Type const & rType = ::getCppuType( &aRE );
281 uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
282 #if OSL_DEBUG_LEVEL > 0
283 OString cstr( OUStringToOString( aRE.Message, RTL_TEXTENCODING_ASCII_US ) );
284 OSL_FAIL( cstr.getStr() );
285 #endif
286 return;
289 typelib_TypeDescription * pExcTypeDescr = 0;
290 OUString unoName( toUNOname( header->exceptionType->name() ) );
291 #if OSL_DEBUG_LEVEL > 1
292 OString cstr_unoName( OUStringToOString( unoName, RTL_TEXTENCODING_ASCII_US ) );
293 fprintf( stderr, "> c++ exception occurred: %s\n", cstr_unoName.getStr() );
294 #endif
295 typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData );
296 if (0 == pExcTypeDescr)
298 RuntimeException aRE(
299 OUString( RTL_CONSTASCII_USTRINGPARAM("exception type not found: ") ) + unoName,
300 Reference< XInterface >() );
301 Type const & rType = ::getCppuType( &aRE );
302 uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
303 #if OSL_DEBUG_LEVEL > 0
304 OString cstr( OUStringToOString( aRE.Message, RTL_TEXTENCODING_ASCII_US ) );
305 OSL_FAIL( cstr.getStr() );
306 #endif
308 else
310 // construct uno exception any
311 uno_any_constructAndConvert( pUnoExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno );
312 typelib_typedescription_release( pExcTypeDescr );
318 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */