--- /dev/null
+4
+3
+2
+1
+Vector is empty!
+1234
+Vector is empty!
+1234
+Vector is empty!
+1234
--- /dev/null
+4
+3
+2
+1
--- /dev/null
+Hello world
--- /dev/null
+4
+3
+2
+1
+Vector is empty!
+1234
+3rd safe pop
+1234
+4th safe pop
+1234
--- /dev/null
+4
+3
+2
+1
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed 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.
+
+# Module wrapping the C++ class vector<int>
+module test_ffi_cpp_callbacks
+
+in "C++ Header" `{
+ #include <vector>
+
+ using namespace std;
+`}
+
+# Nit class over C++'s vector<int>
+extern class CppVector in "C++" `{vector<int>*`}
+
+ # Extern constructor
+ new in "C++" `{
+ return new vector<int>();
+ `}
+
+ # Adds an element to the end of the vector
+ fun push(v: Int) in "C++" `{
+ recv->push_back(v);
+ `}
+
+ # Pops an element from the end of the vector
+ fun pop: Int in "C++" `{
+ long val = recv->back();
+ recv->pop_back();
+ return val;
+ `}
+
+ fun safe_pop_with_default(default_return: Int): Int import report_error in "C++" `{
+ if (recv->empty()) {
+ CppVector_report_error(recv);
+ return default_return;
+ } else {
+ long val = recv->back();
+ recv->pop_back();
+ return val;
+ }
+ `}
+
+ private fun report_error do print "Vector is empty!"
+end
+
+var a = new CppVector
+a.push(1)
+a.push(2)
+a.push(3)
+a.push(4)
+print a.pop
+print a.pop
+print a.pop
+print a.safe_pop_with_default(1234)
+print a.safe_pop_with_default(1234)
+print a.safe_pop_with_default(1234)
+print a.safe_pop_with_default(1234)
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed 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.
+
+module test_ffi_cpp_header
+
+in "C++" `{
+ #include <vector>
+
+ using namespace std;
+
+ vector<long> vec;
+`}
+
+class CppVector
+ fun push(v: Int) in "C++" `{
+ vec.push_back(v);
+ `}
+
+ fun pop: Int in "C++" `{
+ long val = vec.back();
+ vec.pop_back();
+ return val;
+ `}
+end
+
+var a = new CppVector
+a.push(1)
+a.push(2)
+a.push(3)
+a.push(4)
+print a.pop
+print a.pop
+print a.pop
+print a.pop
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed 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.
+
+module test_ffi_cpp_simple_fun
+
+class A
+ fun foo in "C++" `{
+ std::cout << "Hello world\n";
+ `}
+end
+
+var a = new A
+a.foo
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed 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.
+
+# Module wrapping the C++ class vector<int>
+module test_ffi_cpp_strings
+
+import cpp # gives us String.to_cpp_string and the CppString class
+
+in "C++ Header" `{
+ #include <vector>
+
+ using namespace std;
+`}
+
+# Nit class over C++'s vector<int>
+extern class CppVector in "C++" `{vector<int>*`}
+
+ # Extern constructor
+ new in "C++" `{
+ return new vector<int>();
+ `}
+
+ # Adds an element to the end of the vector
+ fun push(v: Int) in "C++" `{
+ recv->push_back(v);
+ `}
+
+ # Pops an element from the end of the vector
+ fun pop: Int in "C++" `{
+ long val = recv->back();
+ recv->pop_back();
+ return val;
+ `}
+
+ # Uses a callback to report when receiver is empty
+ fun safe_pop_with_default(default_return: Int): Int import report_error in "C++" `{
+ if (recv->empty()) {
+ CppVector_report_error(recv);
+ return default_return;
+ } else {
+ long val = recv->back();
+ recv->pop_back();
+ return val;
+ }
+ `}
+
+ # Callback for `safe_pop_with_default`
+ private fun report_error do print "Vector is empty!"
+
+ # Prints the given string when receiver is empty
+ fun safe_pop_with_custom_error(default_return: Int, error_msg: String): Int import String.to_cpp_string in "C++" `{
+ if (recv->empty()) {
+ string *cpp_error_msg = String_to_cpp_string(error_msg);
+ cout << *cpp_error_msg << "\n";
+ return default_return;
+ } else {
+ long val = recv->back();
+ recv->pop_back();
+ return val;
+ }
+ `}
+end
+
+var a = new CppVector
+a.push(1)
+a.push(2)
+a.push(3)
+a.push(4)
+print a.pop
+print a.pop
+print a.pop
+print a.safe_pop_with_default(1234)
+print a.safe_pop_with_default(1234)
+print a.safe_pop_with_custom_error(1234, "3rd safe pop")
+print a.safe_pop_with_custom_error(1234, "4th safe pop")
--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed 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.
+
+# Module wrapping the C++ class vector<int>
+module test_ffi_cpp_types
+
+in "C++ Header" `{
+ #include <vector>
+
+ using namespace std;
+`}
+
+# Nit class over C++'s vector<int>
+extern class CppVector in "C++" `{vector<int>*`}
+
+ # Extern constructor
+ new in "C++" `{
+ return new vector<int>();
+ `}
+
+ # Adds an element to the end of the vector
+ fun push(v: Int) in "C++" `{
+ recv->push_back(v);
+ `}
+
+ # Pops an element from the end of the vector
+ fun pop: Int in "C++" `{
+ long val = recv->back();
+ recv->pop_back();
+ return val;
+ `}
+end
+
+var a = new CppVector
+a.push(1)
+a.push(2)
+a.push(3)
+a.push(4)
+print a.pop
+print a.pop
+print a.pop
+print a.pop
nitlanguage / nit.git / commitdiff