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Fixes #1220: lexical_cast requires RTTI

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[SVN r50124]
This commit is contained in:
Alexander Nasonov
2008-12-04 23:18:50 +00:00
parent 0c54d6a037
commit 98a67d93f3
1 changed files with 16 additions and 1 deletions
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17
include/boost/lexical_cast.hpp
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@@ -60,15 +60,21 @@ namespace boost
{
public:
bad_lexical_cast() :
source(&typeid(void)), target(&typeid(void))
#ifndef BOOST_NO_TYPEID
source(&typeid(void)), target(&typeid(void))
#else
source(0), target(0) // this breaks getters
#endif
{
}
bad_lexical_cast(
const std::type_info &source_type_arg,
const std::type_info &target_type_arg) :
source(&source_type_arg), target(&target_type_arg)
{
}
const std::type_info &source_type() const
{
return *source;
@@ -77,6 +83,7 @@ namespace boost
{
return *target;
}
virtual const char *what() const throw()
{
return "bad lexical cast: "
@@ -1144,7 +1151,11 @@ namespace boost
if (interpreter >> result)
return result;
}
#ifndef BOOST_NO_TYPEID
throw_exception(bad_lexical_cast(typeid(Source), typeid(Target)));
#else
throw_exception(bad_lexical_cast());
#endif
return Target(); // normally never reached (throw_exception)
}
}
@@ -1183,7 +1194,11 @@ namespace boost
Target result;
if(!(interpreter << arg && interpreter >> result))
#ifndef BOOST_NO_TYPEID
throw_exception(bad_lexical_cast(typeid(Source), typeid(Target)));
#else
throw_exception(bad_lexical_cast());
#endif
return result;
}