diff options
Diffstat (limited to 'share/swig/2.0.11/lua/_std_common.i')
-rw-r--r-- | share/swig/2.0.11/lua/_std_common.i | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/share/swig/2.0.11/lua/_std_common.i b/share/swig/2.0.11/lua/_std_common.i new file mode 100644 index 0000000..567e68b --- /dev/null +++ b/share/swig/2.0.11/lua/_std_common.i @@ -0,0 +1,93 @@ +/* ----------------------------------------------------------------------------- + * _std_common.i + * + * std::helpers for LUA + * ----------------------------------------------------------------------------- */ + +%include <std_except.i> // the general exceptions + +/* +The basic idea here, is instead of trying to feed SWIG all the +horribly templated STL code, to give it a neatened version. + +These %defines cover some of the more common methods +so the class declarations become just a set of %defines + +*/ + +/* #define for basic container features +note: I allow front(), back() & pop_back() to throw exceptions +upon empty containers, rather than coredump +(as we haven't defined the methods, we can use %extend to add with +new features) + +*/ +%define %STD_CONTAINER_METHODS(CLASS,T) +public: + CLASS(); + CLASS(const CLASS&); + unsigned int size() const; + unsigned int max_size() const; + bool empty() const; + void clear(); + %extend { // the extra stuff which must be checked + T front()const throw (std::out_of_range){ // only read front & back + if (self->empty()) + throw std::out_of_range("in "#CLASS"::front()"); + return self->front(); + } + T back()const throw (std::out_of_range){ // not write to them + if (self->empty()) + throw std::out_of_range("in "#CLASS"::back()"); + return self->back(); + } + } +%enddef + +/* push/pop for front/back +also note: front & back are read only methods, not used for writing +*/ +%define %STD_FRONT_ACCESS_METHODS(CLASS,T) +public: + void push_front(const T& val); + %extend { // must check this + void pop_front() throw (std::out_of_range){ + if (self->empty()) + throw std::out_of_range("in "#CLASS"::pop_front()"); + self->pop_back(); + } + } +%enddef + +%define %STD_BACK_ACCESS_METHODS(CLASS,T) +public: + void push_back(const T& val); + %extend { // must check this + void pop_back() throw (std::out_of_range){ + if (self->empty()) + throw std::out_of_range("in "#CLASS"::pop_back()"); + self->pop_back(); + } + } +%enddef + +/* +Random access methods +*/ +%define %STD_RANDOM_ACCESS_METHODS(CLASS,T) + %extend // this is a extra bit of SWIG code + { + // [] is replaced by __getitem__ & __setitem__ + // simply throws a string, which causes a lua error + T __getitem__(unsigned int idx) throw (std::out_of_range){ + if (idx>=self->size()) + throw std::out_of_range("in "#CLASS"::__getitem__()"); + return (*self)[idx]; + } + void __setitem__(unsigned int idx,const T& val) throw (std::out_of_range){ + if (idx>=self->size()) + throw std::out_of_range("in "#CLASS"::__setitem__()"); + (*self)[idx]=val; + } + }; +%enddef |