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Fix ruby %alias directive for native c functions

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Using the %alias directive on native C functions causes swig to segfault due to
a dereference of klass (which is NULL for native C functions) in the
defineAliases function of the Ruby module. This commit adds support for an alias
of native C functions for both separate module as well as global functions, as
well as three test cases for the %alias directive of the Ruby module.

Fixes:
mod.i
%module ruby_alias
%alias get_my_name "nickname,fullname";
%inline %{
const char *get_my_name(){
  return "Chester Tester";
}
%}
$ swig -ruby mod.i
Segmentation fault

Signed-off-by: Joel Anderson <joelanderson333@gmail.com>
This commit is contained in:
Joel Anderson 2018-03-21 19:12:54 -04:00
commit a1cea4f483
8 changed files with 129 additions and 1 deletions
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4
Examples/test-suite/ruby/Makefile.in
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@ -22,6 +22,7 @@ CPP_TEST_CASES = \
li_std_stack \
li_std_wstring \
primitive_types \
ruby_alias_method \
ruby_keywords \
ruby_minherit_shared_ptr \
ruby_naming \
@ -44,6 +45,8 @@ CPP11_TEST_CASES = \
C_TEST_CASES += \
li_cstring \
ruby_alias_global_function \
ruby_alias_module_function \
ruby_manual_proxy \
include $(srcdir)/../common.mk
@ -52,6 +55,7 @@ include $(srcdir)/../common.mk
SWIGOPT += -w801 -noautorename -features autodoc=4
# Custom tests - tests with additional commandline options
ruby_alias_global_function.ctest: SWIGOPT += -globalmodule
ruby_naming.cpptest: SWIGOPT += -autorename
# Rules for the different types of tests