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Provide SWIGTYPE MOVE typemaps in swigmove.i

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For implementing full move semantics when passing parameters by value.
Based on SWIGTYPE && and std::unique_ptr typemaps which implement move
semantics.

Added for all languages, but untested for: Go, Ocaml, R, Scilab (and
unlikely to be fully functional for same reasons as for std::unique_ptr
support).

Issue #999
This commit is contained in:
William S Fulton 2022-09-16 08:36:25 +01:00
commit dad7c93ca0
41 changed files with 909 additions and 19 deletions
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30
Examples/test-suite/javascript/cpp11_move_typemaps_runme.js Normal file
View file

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var cpp11_move_typemaps = require("cpp11_move_typemaps");
cpp11_move_typemaps.Counter.reset_counts();
mo = new cpp11_move_typemaps.MoveOnly(111);
cpp11_move_typemaps.Counter.check_counts(1, 0, 0, 0, 0, 0);
cpp11_move_typemaps.MoveOnly.take(mo);
cpp11_move_typemaps.Counter.check_counts(1, 0, 0, 1, 0, 2);
delete mo;
cpp11_move_typemaps.Counter.check_counts(1, 0, 0, 1, 0, 2);
cpp11_move_typemaps.Counter.reset_counts();
mo = new cpp11_move_typemaps.MovableCopyable(111);
cpp11_move_typemaps.Counter.check_counts(1, 0, 0, 0, 0, 0);
cpp11_move_typemaps.MovableCopyable.take(mo);
cpp11_move_typemaps.Counter.check_counts(1, 0, 0, 1, 0, 2);
delete mo;
cpp11_move_typemaps.Counter.check_counts(1, 0, 0, 1, 0, 2);
mo = new cpp11_move_typemaps.MoveOnly(222);
cpp11_move_typemaps.MoveOnly.take(mo);
exception_thrown = false;
try {
cpp11_move_typemaps.MoveOnly.take(mo);
} catch (e) {
if (!e.message.includes("cannot release ownership as memory is not owned"))
throw new Error("incorrect exception message:" + e.message);
exception_thrown = true;
}
if (!exception_thrown)
throw new Error("double usage of take should have been an error");