| /* ----------------------------------------------------------------------------- |
| * doperators.swg |
| * |
| * Mapping of C++ operator overloading methods to D. |
| * ----------------------------------------------------------------------------- */ |
| |
| %pragma(d) imdmodulecode=%{ |
| mixin template SwigOperatorDefinitions() { |
| public override bool opEquals(Object o) { |
| if (auto rhs = cast(typeof(this))o) { |
| if (swigCPtr == rhs.swigCPtr) return true; |
| static if (is(typeof(swigOpEquals(rhs)))) { |
| return swigOpEquals(rhs); |
| } else { |
| return false; |
| } |
| } |
| return super.opEquals(o); |
| } |
| %} |
| // opEquals is emitted in pure C mode as well to define two proxy classes |
| // pointing to the same struct as equal. |
| |
| #ifdef __cplusplus |
| %rename(swigOpPos) *::operator+(); |
| %rename(swigOpPos) *::operator+() const; |
| %rename(swigOpNeg) *::operator-(); |
| %rename(swigOpNeg) *::operator-() const; |
| %rename(swigOpCom) *::operator~(); |
| %rename(swigOpCom) *::operator~() const; |
| %rename(swigOpInc) *::operator++(); |
| %rename(swigOpDec) *::operator--(); |
| %ignoreoperator(PLUSPLUS) *::operator++(int); |
| %ignoreoperator(MINUSMINUS) *::operator--(int); |
| // The postfix increment/decrement operators are ignored because they are |
| // rewritten to (auto t = e, ++e, t) in D2. The unary * operator (used for |
| // pointer dereferencing in C/C++) isn't mapped to opUnary("*") by default, |
| // despite this would be possible in D2 – the difference in member access |
| // semantics would only lead to confusion in most cases. |
| |
| %rename(swigOpAdd) *::operator+; |
| %rename(swigOpSub) *::operator-; |
| %rename(swigOpMul) *::operator*; |
| %rename(swigOpDiv) *::operator/; |
| %rename(swigOpMod) *::operator%; |
| %rename(swigOpAnd) *::operator&; |
| %rename(swigOpOr) *::operator|; |
| %rename(swigOpXor) *::operator^; |
| %rename(swigOpShl) *::operator<<; |
| %rename(swigOpShr) *::operator>>; |
| |
| %rename(swigOpAddAssign) *::operator+=; |
| %rename(swigOpSubAssign) *::operator-=; |
| %rename(swigOpMulAssign) *::operator*=; |
| %rename(swigOpDivAssign) *::operator/=; |
| %rename(swigOpModAssign) *::operator%=; |
| %rename(swigOpAndAssign) *::operator&=; |
| %rename(swigOpOrAssign) *::operator|=; |
| %rename(swigOpXorAssign) *::operator^=; |
| %rename(swigOpShlAssign) *::operator<<=; |
| %rename(swigOpShrAssign) *::operator>>=; |
| |
| %rename(opIndex) *::operator[]; |
| // opIndexAssign is not currently generated, it needs more extensive support |
| // mechanisms. |
| |
| %rename(opCall) *::operator(); |
| |
| %rename(swigOpEquals) *::operator==; |
| %rename(swigOpLt) *::operator<; |
| %rename(swigOpLtEquals) *::operator<=; |
| %rename(swigOpGt) *::operator>; |
| %rename(swigOpGtEquals) *::operator>=; |
| |
| // a != b is rewritten as !a.opEquals(b) in D. |
| %ignoreoperator(NOTEQUAL) operator!=; |
| |
| // The logic operators are not overridable in D. |
| %ignoreoperator(LAND) operator&&; |
| %ignoreoperator(LOR) operator||; |
| |
| // The C++ assignment operator does not translate well to D where the proxy |
| // classes have reference semantics. |
| %ignoreoperator(EQ) operator=; |
| |
| %pragma(d) imdmodulecode=%{ |
| public override int opCmp(Object o) { |
| static if (__traits(compiles, swigOpLt(typeof(this).init) && |
| swigOpEquals(typeof(this).init))) { |
| if (auto rhs = cast(typeof(this))o) { |
| if (swigOpLt(rhs)) { |
| return -1; |
| } else if (swigOpEquals(rhs)) { |
| return 0; |
| } else { |
| return 1; |
| } |
| } |
| } |
| return super.opCmp(o); |
| } |
| |
| private template swigOpBinary(string operator, string name) { |
| enum swigOpBinary = `public void opOpAssign(string op, T)(T rhs) if (op == "` ~ operator ~ |
| `" && __traits(compiles, swigOp` ~ name ~ `Assign(rhs))) { swigOp` ~ name ~ `Assign(rhs);}` ~ |
| `public auto opBinary(string op, T)(T rhs) if (op == "` ~ operator ~ |
| `" && __traits(compiles, swigOp` ~ name ~ `(rhs))) { return swigOp` ~ name ~ `(rhs);}`; |
| } |
| mixin(swigOpBinary!("+", "Add")); |
| mixin(swigOpBinary!("-", "Sub")); |
| mixin(swigOpBinary!("*", "Mul")); |
| mixin(swigOpBinary!("/", "Div")); |
| mixin(swigOpBinary!("%", "Mod")); |
| mixin(swigOpBinary!("&", "And")); |
| mixin(swigOpBinary!("|", "Or")); |
| mixin(swigOpBinary!("^", "Xor")); |
| mixin(swigOpBinary!("<<", "Shl")); |
| mixin(swigOpBinary!(">>", "Shr")); |
| |
| private template swigOpUnary(string operator, string name) { |
| enum swigOpUnary = `public auto opUnary(string op)() if (op == "` ~ operator ~ |
| `" && __traits(compiles, swigOp` ~ name ~ `())) { return swigOp` ~ name ~ `();}`; |
| } |
| mixin(swigOpUnary!("+", "Pos")); |
| mixin(swigOpUnary!("-", "Neg")); |
| mixin(swigOpUnary!("~", "Com")); |
| mixin(swigOpUnary!("++", "Inc")); |
| mixin(swigOpUnary!("--", "Dec")); |
| %} |
| #endif |
| |
| %pragma(d) imdmodulecode=%{ |
| } |
| %} |