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add increment/decrement operators

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@8141 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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William S Fulton 2005-12-31 00:13:36 +00:00
commit 75f9cf4e43
1 changed files with 26 additions and 1 deletions
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27
SWIG/Examples/test-suite/operator_overload.i
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@ -34,6 +34,25 @@ see bottom for a set of possible tests
%rename(GreaterThanEqual) operator >=;
%rename(And) operator and;
%rename(Or) operator or;
%rename(PlusPlusPrefix) operator++();
%rename(PlusPlusPostfix) operator++(int);
%rename(MinusMinusPrefix) operator--();
%rename(MinusMinusPostfix) operator--(int);
#endif
#ifdef SWIGCSHARP
%csmethodmodifiers operator++() "protected";
%csmethodmodifiers operator++(int) "private";
%csmethodmodifiers operator--() "private";
%csmethodmodifiers operator--(int) "protected";
%typemap(cscode) Op %{
public static Op operator++(Op op) {
return op.PlusPlusPostfix(0);
}
public static Op operator--(Op op) {
return op.MinusMinusPrefix();
}
%}
#endif
%inline %{
@ -86,7 +105,13 @@ public:
int operator()(int a=0){return i+a;}
int operator()(int a,int b){return i+a+b;}
// TODO: ++,--,<<,<<=
// increment/decrement operators
Op& operator++(){++i; return *this;} // prefix ++
Op& operator++(int){i++; return *this;} // postfix ++
Op& operator--(){--i; return *this;} // prefix --
Op& operator--(int){i--; return *this;} // postfix --
// TODO: <<,<<=
};
// just to complicate matters