add binaryneopt

Author: axic

libchisel/src/binaryenopt.rs

@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use parity_wasm::elements::Module;
 
 use super::{ChiselModule, ModuleError, ModuleKind, ModulePreset, ModuleTranslator};
@@ -29,6 +31,21 @@ impl<'a> ChiselModule<'a> for BinaryenOptimiser {
     }
 }
 
+impl ModuleConfig for BinaryenOptimiser {
+    fn with_defaults() -> Result<Self, ModuleError> {
+        Ok(BinaryenOptimiser::O0)
+    }
+
+    fn with_config(config: &HashMap<String, String>) -> Result<Self, ModuleError> {
+        let preset = config.get("preset");
+        if preset.is_none() {
+            Err(ModuleError::NotSupported)
+        } else {
+            BinaryenOptimiser::with_preset(preset.unwrap())
+        }
+    }
+}
+
 impl ModulePreset for BinaryenOptimiser {
     fn with_preset(preset: &str) -> Result<Self, ModuleError> {
         match preset {