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Perl module now fully supports operator overloading

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added script for testing overloading support which uses Perl test harness: Test::More

updated HTML docs for operators


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8246 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Jason Stewart 2006-01-06 10:59:27 +00:00
commit 18771f8267
4 changed files with 282 additions and 52 deletions
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12
Examples/test-suite/operator_overload.i
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@ -10,7 +10,7 @@ see bottom for a set of possible tests
%warnfilter(362,389,383,384);
#endif
#if !defined(SWIGLUA)
#if !defined(SWIGLUA) || !defined(SWIGPERL)
%rename(Equal) operator =;
%rename(PlusEqual) operator +=;
%rename(MinusEqual) operator -=;
@ -60,6 +60,7 @@ see bottom for a set of possible tests
class Op{
public:
int i;
int j;
Op(int a=0):i(a)
{}
Op(const Op& o):i(o.i)
@ -88,6 +89,8 @@ public:
// unary operators
Op operator++() {i++; return *this;}
Op operator--() {i--; return *this;}
Op operator-() const {return Op(-i);}
bool operator !() const {return !(i);}
@ -105,6 +108,9 @@ public:
int operator()(int a=0){return i+a;}
int operator()(int a,int b){return i+a+b;}
<<<<<<< operator_overload.i
// TODO: <<,<<=
=======
// increment/decrement operators
Op& operator++(){++i; return *this;} // prefix ++
Op& operator++(int){i++; return *this;} // postfix ++
@ -112,6 +118,7 @@ public:
Op& operator--(int){i--; return *this;} // postfix --
// TODO: <<,<<=
>>>>>>> 1.6
};
// just to complicate matters
@ -129,6 +136,9 @@ inline bool operator>=(const Op& a,const Op& b){return a.i>=b.i;}
// we need to extend the class
// to make the friends & non members part of the class
%extend Op{
Op operator and(const Op& b){return Op(self->i&&b.i);}
Op operator or(const Op& b){return Op(self->i||b.i);}
Op operator+(const Op& b){return Op(self->i+b.i);}
Op operator-(const Op& b){return Op(self->i-b.i);}
Op operator*(const Op& b){return Op(self->i*b.i);}