1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/jit-test/etc/wasm/generate-spectests/wast2js/src/main.rs b/js/src/jit-test/etc/wasm/generate-spectests/wast2js/src/main.rs
new file mode 100644
index 0000000000..d5d1118e7e
--- /dev/null
+++ b/js/src/jit-test/etc/wasm/generate-spectests/wast2js/src/main.rs
@@ -0,0 +1,40 @@
+/* Copyright 2021 Mozilla Foundation
+ *
+ * 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.
+ */
+
+use anyhow::{Context as _, Result};
+use std::env;
+use std::path::Path;
+
+mod convert;
+mod out;
+
+fn main() -> Result<()> {
+    let files = env::args().collect::<Vec<String>>();
+    for path in &files[1..] {
+        let source =
+            std::fs::read_to_string(path).with_context(|| format!("failed to read `{}`", path))?;
+
+        let mut full_script = String::new();
+        full_script.push_str(&convert::harness());
+        full_script.push_str(&convert::convert(path, &source)?);
+
+        std::fs::write(
+            Path::new(path).with_extension("js").file_name().unwrap(),
+            &full_script,
+        )?;
+    }
+
+    Ok(())
+}