1 files changed, 18 insertions, 0 deletions
diff --git a/syn/codegen/src/json.rs b/syn/codegen/src/json.rs
new file mode 100644
index 0000000..53904bf
--- /dev/null
+++ b/syn/codegen/src/json.rs
@@ -0,0 +1,18 @@
+use anyhow::Result;
+use std::fs;
+use std::path::Path;
+use syn_codegen::Definitions;
+
+pub fn generate(defs: &Definitions) -> Result<()> {
+    let mut j = serde_json::to_string_pretty(&defs)?;
+    j.push('\n');
+
+    let check: Definitions = serde_json::from_str(&j)?;
+    assert_eq!(*defs, check);
+
+    let codegen_root = Path::new(env!("CARGO_MANIFEST_DIR"));
+    let json_path = codegen_root.join("../syn.json");
+    fs::write(json_path, j)?;
+
+    Ok(())
+}