Add JavaScript bindings and WASM support

Co-authored-by: Matija Kecman <matijak@google.com> Co-authored-by: Sebastian Noreña Rendón <sebas.norena@creativa77.com.ar> Co-authored-by: Kyle Bayes <kylebayes@google.com> PiperOrigin-RevId: 826094938 Change-Id: Id2658a187bc078056f4410c71202696753319e64
2025-10-30 10:37:06 -07:00
parent 10f4b36fb7
commit 76e64d96bb
56 changed files with 24362 additions and 22 deletions
@@ -0,0 +1,67 @@
+# Copyright 2025 DeepMind Technologies Limited
+#
+# 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.
+
+from absl.testing import absltest
+
+from introspect import ast_nodes
+
+from wasm.codegen.generators import functions
+
+
+class FunctionsGeneratorTest(absltest.TestCase):
+
+  def setUp(self):
+    super().setUp()
+    self.generator = functions.Generator({})
+    self.int_type = ast_nodes.ValueType(name="int")
+
+  def test_generate_function_binding_simple_case(self):
+    func_simple_void = ast_nodes.FunctionDecl(
+        name="do_nothing",
+        return_type=ast_nodes.ValueType(name="void"),
+        parameters=tuple(),
+        doc="doc",
+    )
+    self.assertEqual(
+        self.generator._generate_function_binding(func_simple_void),
+        'function("do_nothing", &do_nothing);\n',
+    )
+
+  def test_generate_direct_bindable_functions_simple_filter(self):
+    direct_bind = ast_nodes.FunctionDecl(
+        name="direct_bind",
+        return_type=self.int_type,
+        parameters=(
+            ast_nodes.FunctionParameterDecl(name="val", type=self.int_type),
+        ),
+        doc="doc",
+    )
+    needs_wrap = ast_nodes.FunctionDecl(
+        name="needs_wrap",
+        return_type=ast_nodes.PointerType(inner_type=self.int_type),
+        parameters=tuple(),
+        doc="doc",
+    )
+    self.generator = functions.Generator({
+        "direct1": direct_bind,
+        "wrapped1": needs_wrap,
+    })
+
+    generated_code = self.generator._generate_direct_bindable_functions()
+    self.assertIn('function("direct_bind", &direct_bind);\n', generated_code)
+    self.assertNotIn('function("needs_wrap", &needs_wrap);\n', generated_code)
+
+
+if __name__ == "__main__":
+  absltest.main()