THRIFT-2835 Add possibility to distribute generators separately from thrift core, and load them dynamically
Client: Compiler
Patch: Nobuaki Sukegawa, rebased by dtmuller
Also fixed by dtmuller:
* Add plugin namespace for erlang language binding
* Fix unit test test_const_value
* Don't clear type cache with every t_program conversion
* Type "wb" may not be supported by popen on non-Windows platforms
* Fix constness of AST type signatures
diff --git a/compiler/cpp/test/cpp_plugin_test.cmake b/compiler/cpp/test/cpp_plugin_test.cmake
new file mode 100644
index 0000000..fd18281
--- /dev/null
+++ b/compiler/cpp/test/cpp_plugin_test.cmake
@@ -0,0 +1,45 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+file(MAKE_DIRECTORY ${CURDIR}/gen-cpp)
+execute_process(COMMAND ${THRIFT_COMPILER} -r -out ${CURDIR}/gen-cpp -gen cpp ${SRCDIR}/../../../test/Include.thrift)
+if(EXITCODE)
+ message(FATAL_ERROR "FAILED: \"${ARGV}\": \"${EXITCODE}\"")
+endif()
+if(WIN32)
+ set(ENV{PATH} "${BINDIR}/${BUILDTYPE};${BINDIR};$ENV{PATH}")
+else()
+ set(ENV{PATH} "${BINDIR}:$ENV{PATH}")
+endif()
+
+file(MAKE_DIRECTORY ${CURDIR}/gen-mycpp)
+execute_process(COMMAND ${THRIFT_COMPILER} -r -out ${CURDIR}/gen-mycpp -gen mycpp ${SRCDIR}/../../../test/Include.thrift RESULT_VARIABLE EXITCODE)
+if(EXITCODE)
+ message(FATAL_ERROR "FAILED: \"${EXITCODE}\"")
+endif()
+
+find_program(DIFF diff)
+if(DIFF)
+ execute_process(COMMAND ${DIFF} -urN gen-cpp gen-mycpp RESULT_VARIABLE EXITCODE)
+ if(EXITCODE)
+ message(FATAL_ERROR "FAILED: \"${EXITCODE}\"")
+ endif()
+else()
+ message(WARNING "diff executable is not available. Not validating plugin-generated code.")
+endif()