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mutable get_error_info support

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[SVN r55707]
This commit is contained in:
Emil Dotchevski
2009-08-21 22:28:44 +00:00
parent 7b4290bc76
commit fa96125efb
19 changed files with 3910 additions and 3832 deletions
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5
doc/boost_exception_get_error_info_hpp.html
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@ -28,7 +28,10 @@ namespace
boost
{
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">template &lt;class ErrorInfo,class E&gt;
typename ErrorInfo::<span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const * <span class="RenoLink"><a href="get_error_info.html">get_error_info</a></span>( E const &amp; x );</span></span>
typename ErrorInfo::<span class="RenoLink"><a href="error_info::value_type">error_info::value_type</a></span> const * <span class="RenoLink"><a href="get_error_info">get_error_info</a></span>( E const &amp; x );
template &lt;class ErrorInfo,class E&gt;
typename ErrorInfo::<span class="RenoLink"><a href="error_info::value_type">error_info::value_type</a></span> * <span class="RenoLink"><a href="get_error_info">get_error_info</a></span>( E &amp; x );</span></span>
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>

3
doc/boost_exception_info_hpp.html
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@ -36,7 +36,8 @@ boost
<span class="RenoIncludeSPAN"> typedef T <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span>;</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_error_info.html">error_info</a></span>( <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; v );</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;
<span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>();</span>
};</span>
<span class="RenoIncludeSPAN">template &lt;class E, class Tag, class T&gt;

3
doc/error_info.html
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@ -34,7 +34,8 @@ boost
<span class="RenoIncludeSPAN"> typedef T <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span>;</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_error_info.html">error_info</a></span>( <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; v );</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;
<span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>();</span>
};</span>
}</pre>
</div><h4>Requirements:</h4>

5
doc/error_info_value.html
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@ -22,9 +22,10 @@
<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>error_info::value</h3>
</div>
<div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;</p>
<pre><span class="RenoIncludeSPAN"><span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink">value</span>() const;</span></pre>
<pre><span class="RenoIncludeSPAN"><span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink">value</span>() const;
<span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> &amp; <span class="RenoLink">value</span>();</span></pre>
</div><h4>Description:</h4>
<p>Returns a const reference to the copy of the value passed to <span class="RenoLink"><a href="error_info.html">error_info</a></span>'s constructor stored in the <span class="RenoLink"><a href="error_info.html">error_info</a></span> object.</p>
<p>Returns a (const) reference to the copy of the value passed to <span class="RenoLink"><a href="error_info.html">error_info</a></span>'s constructor stored in the <span class="RenoLink"><a href="error_info.html">error_info</a></span> object.</p>
<h4>Throws:</h4>
<p>Nothing.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>

1
doc/error_info_value_type.html
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@ -30,7 +30,6 @@
<div class="RenoPageList"><a href="error_info.html">error_info<br/>
</a><a href="error_info_error_info.html">error_info::error_info<br/>
</a><a href="error_info_value.html">error_info::value<br/>
</a><a href="get_error_info.html">get_error_info<br/>
</a></div>
</div>
<!-- Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. -->

5
doc/get_error_info.html
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@ -25,7 +25,10 @@
boost
{
<span class="RenoIncludeSPAN"> template &lt;class ErrorInfo,class E&gt;
typename ErrorInfo::<span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const * <span class="RenoLink">get_error_info</span>( E const &amp; x );</span>
typename ErrorInfo::<span class="RenoLink"><a href="error_info::value_type">error_info::value_type</a></span> const * <span class="RenoLink"><a href="get_error_info">get_error_info</a></span>( E const &amp; x );
template &lt;class ErrorInfo,class E&gt;
typename ErrorInfo::<span class="RenoLink"><a href="error_info::value_type">error_info::value_type</a></span> * <span class="RenoLink"><a href="get_error_info">get_error_info</a></span>( E &amp; x );</span>
}</pre>
</div><h4>Requirements:</h4>
<div><ul><li> ErrorInfo must be an instance of the <span class="RenoLink"><a href="error_info.html">error_info</a></span> template.</li>

7316
doc/source/boost-exception.reno
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3
doc/synopsis.html
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@ -64,7 +64,8 @@ boost
<span class="RenoIncludeSPAN"> typedef T <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span>;</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_error_info.html">error_info</a></span>( <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; v );</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;</span>
<span class="RenoIncludeSPAN"> <span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> const &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>() const;
<span class="RenoLink"><a href="error_info_value_type.html">value_type</a></span> &amp; <span class="RenoLink"><a href="error_info_value.html">value</a></span>();</span>
};</span>
<span class="RenoIncludeSPAN">template &lt;class E, class Tag, class T&gt;

8
include/boost/exception/detail/error_info_impl.hpp
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@ -49,12 +49,18 @@ boost
return value_;
}
value_type &
value()
{
return value_;
}
private:
char const * tag_typeid_name() const;
std::string value_as_string() const;
value_type const value_;
value_type value_;
};
}

4
include/boost/exception/exception.hpp
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@ -144,8 +144,8 @@ boost
error_info_container
{
virtual char const * diagnostic_information() const = 0;
virtual shared_ptr<error_info_base const> get( type_info_ const & ) const = 0;
virtual void set( shared_ptr<error_info_base const> const &, type_info_ const & ) = 0;
virtual shared_ptr<error_info_base> get( type_info_ const & ) const = 0;
virtual void set( shared_ptr<error_info_base> const &, type_info_ const & ) = 0;
virtual void add_ref() const = 0;
virtual void release() const = 0;

31
include/boost/exception/get_error_info.hpp
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@ -22,16 +22,16 @@ boost
get_info
{
static
typename ErrorInfo::value_type const *
typename ErrorInfo::value_type *
get( exception const & x )
{
if( exception_detail::error_info_container * c=x.data_.get() )
if( shared_ptr<exception_detail::error_info_base const> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
if( shared_ptr<exception_detail::error_info_base> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
{
#ifndef BOOST_NO_RTTI
BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo const *>(eib.get()) );
BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo *>(eib.get()) );
#endif
ErrorInfo const * w = static_cast<ErrorInfo const *>(eib.get());
ErrorInfo * w = static_cast<ErrorInfo *>(eib.get());
return &w->value();
}
return 0;
@ -43,7 +43,7 @@ boost
get_info<throw_function>
{
static
char const * const *
char const * *
get( exception const & x )
{
return x.throw_function_ ? &x.throw_function_ : 0;
@ -55,7 +55,7 @@ boost
get_info<throw_file>
{
static
char const * const *
char const * *
get( exception const & x )
{
return x.throw_file_ ? &x.throw_file_ : 0;
@ -67,7 +67,7 @@ boost
get_info<throw_line>
{
static
int const *
int *
get( exception const & x )
{
return x.throw_line_!=-1 ? &x.throw_line_ : 0;
@ -83,6 +83,13 @@ boost
{
return exception_detail::get_info<ErrorInfo>::get(x);
}
template <class ErrorInfo>
inline
typename ErrorInfo::value_type *
get_error_info( boost::exception & x )
{
return exception_detail::get_info<ErrorInfo>::get(x);
}
#else
template <class ErrorInfo,class E>
inline
@ -94,6 +101,16 @@ boost
else
return 0;
}
template <class ErrorInfo,class E>
inline
typename ErrorInfo::value_type *
get_error_info( E & some_exception )
{
if( exception const * x = dynamic_cast<exception const *>(&some_exception) )
return exception_detail::get_info<ErrorInfo>::get(*x);
else
return 0;
}
#endif
}

10
include/boost/exception/info.hpp
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@ -75,26 +75,26 @@ boost
}
void
set( shared_ptr<error_info_base const> const & x, type_info_ const & typeid_ )
set( shared_ptr<error_info_base> const & x, type_info_ const & typeid_ )
{
BOOST_ASSERT(x);
info_[typeid_] = x;
diagnostic_info_str_.clear();
}
shared_ptr<error_info_base const>
shared_ptr<error_info_base>
get( type_info_ const & ti ) const
{
error_info_map::const_iterator i=info_.find(ti);
if( info_.end()!=i )
{
shared_ptr<error_info_base const> const & p = i->second;
shared_ptr<error_info_base> const & p = i->second;
#ifndef BOOST_NO_RTTI
BOOST_ASSERT( BOOST_EXCEPTION_DYNAMIC_TYPEID(*p)==ti );
#endif
return p;
}
return shared_ptr<error_info_base const>();
return shared_ptr<error_info_base>();
}
char const *
@ -117,7 +117,7 @@ boost
friend class boost::exception;
typedef std::map< type_info_, shared_ptr<error_info_base const> > error_info_map;
typedef std::map< type_info_, shared_ptr<error_info_base> > error_info_map;
error_info_map info_;
mutable std::string diagnostic_info_str_;
mutable int count_;

14
test/errinfos_test.cpp
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@ -30,15 +30,19 @@ main()
using namespace boost;
try
{
BOOST_THROW_EXCEPTION(
test_exception() <<
test_exception e;
e <<
errinfo_api_function("failed_api_function") <<
errinfo_at_line(42) <<
errinfo_errno(errno) <<
errinfo_file_handle(weak_ptr<FILE>()) <<
errinfo_file_name("filename.txt") <<
errinfo_file_open_mode("rb") <<
errinfo_type_info_name(typeid(int).name()) );
errinfo_file_open_mode("rb");
#ifdef BOOST_NO_TYPEID
BOOST_THROW_EXCEPTION(e);
#else
BOOST_THROW_EXCEPTION(e<<errinfo_type_info_name(typeid(int).name()));
#endif
BOOST_TEST(false);
}
catch(
@ -50,7 +54,9 @@ main()
BOOST_TEST(get_error_info<errinfo_file_handle>(e) && get_error_info<errinfo_file_handle>(e)->expired());
BOOST_TEST(get_error_info<errinfo_file_name>(e) && *get_error_info<errinfo_file_name>(e)=="filename.txt");
BOOST_TEST(get_error_info<errinfo_file_open_mode>(e) && *get_error_info<errinfo_file_open_mode>(e)=="rb");
#ifndef BOOST_NO_TYPEID
BOOST_TEST(get_error_info<errinfo_type_info_name>(e) && *get_error_info<errinfo_type_info_name>(e)==typeid(int).name());
#endif
}
catch(
... )

40
test/error_info_test.cpp
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@ -83,6 +83,23 @@ basic_test()
}
catch(
test_exception & x )
{
++*boost::get_error_info<test_1>(x);
++*boost::get_error_info<test_2>(x);
++*boost::get_error_info<test_3>(x);
BOOST_TEST(*boost::get_error_info<test_1>(x)==2);
BOOST_TEST(*boost::get_error_info<test_2>(x)==3u);
BOOST_TEST(*boost::get_error_info<test_3>(x)==4.14159f);
BOOST_TEST(!boost::get_error_info<test_4>(x));
}
try
{
test_exception x;
x << test_1(1) << test_2(2u) << test_3(3.14159f);
throw x;
}
catch(
test_exception const & x )
{
BOOST_TEST(*boost::get_error_info<test_1>(x)==1);
BOOST_TEST(*boost::get_error_info<test_2>(x)==2u);
@ -317,6 +334,28 @@ test_lifetime()
BOOST_TEST(!count);
}
bool
is_const( int const * )
{
return true;
}
bool
is_const( int * )
{
return false;
}
void
test_const()
{
test_exception e;
boost::exception const & c(e);
boost::exception & m(e);
BOOST_TEST(is_const(boost::get_error_info<test_1>(c)));
BOOST_TEST(!is_const(boost::get_error_info<test_1>(m)));
}
int
main()
{
@ -327,5 +366,6 @@ main()
test_catch_add_info();
test_add_tuple();
test_lifetime();
test_const();
return boost::report_errors();
}