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Duplicate class template instantiations via %template changes

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Named duplicate class template instantiations now issue a warning and are ignored.
Duplicate empty class template instantiations are quietly ignored.

The test cases are fixed for this new behaviour.

This commit is a pre-requisite for the near future so that the Python
builtin wrappers can correctly use the SwigType_namestr function without
generating duplicate symbol names.
This commit is contained in:
William S Fulton 2022-11-18 18:49:48 +00:00
commit 4729cf2b1f
16 changed files with 283 additions and 55 deletions
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3
Examples/test-suite/template_class_reuse_name.i
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@ -97,6 +97,7 @@ namespace Space {
%warnfilter(SWIGWARN_PARSE_REDEFINED) Space::Duplicate2;
%warnfilter(SWIGWARN_TYPE_REDEFINED) Space::Duplicate2;
%inline %{
namespace Space {
template <int I> struct Duplicate2 { void n(){}; };
@ -107,6 +108,7 @@ namespace Space {
%warnfilter(SWIGWARN_PARSE_REDEFINED) Space::Duplicate3;
%warnfilter(SWIGWARN_TYPE_REDEFINED) Space::Duplicate3;
%inline %{
namespace Space {
template <int I> struct Duplicate3 { void n(){}; };
@ -123,6 +125,7 @@ namespace Space {
%}
%warnfilter(SWIGWARN_PARSE_REDEFINED) Space::Duplicate4;
%warnfilter(SWIGWARN_TYPE_REDEFINED) Space::Duplicate4<0>;
namespace Space {
template <bool B> struct Duplicate4 { void ff(){}; };
template <bool B> struct Duplicate4 { void ff(){}; };