Update wasmparser for exception handling (#2431)

2020-11-19 14:08:10 -06:00
parent 72811d35ae
commit e34b410381
16 changed files with 131 additions and 41 deletions
--- a/cranelift/wasm/src/code_translator.rs
+++ b/cranelift/wasm/src/code_translator.rs
@@ -534,6 +534,17 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
            state.popn(return_count);
            state.reachable = false;
        }
+        /********************************** Exception handing **********************************/
+        Operator::Try { .. }
+        | Operator::Catch
+        | Operator::BrOnExn { .. }
+        | Operator::Throw { .. }
+        | Operator::Rethrow => {
+            return Err(wasm_unsupported!(
+                "proposed exception handling operator {:?}",
+                op
+            ));
+        }
        /************************************ Calls ****************************************
         * The call instructions pop off their arguments from the stack and append their
         * return values to it. `call_indirect` needs environment support because there is an