simplify wasm3_engine

Author: axic

test/utils/wasm3_engine.cpp

@@ -40,33 +40,6 @@ class Wasm3Engine final : public WasmEngine
 
 namespace
 {
-M3ValueType translate_valtype(char input)
-{
-    if (input == 'i')
-        return M3ValueType::c_m3Type_i32;
-    else if (input == 'I')
-        return M3ValueType::c_m3Type_i64;
-    else
-        throw std::runtime_error{"invalid type"};
-}
-
-std::pair<std::vector<M3ValueType>, std::vector<M3ValueType>> translate_signature(
-    std::string_view signature)
-{
-    const auto delimiter_pos = signature.find(':');
-    assert(delimiter_pos != std::string_view::npos);
-    const auto inputs = signature.substr(0, delimiter_pos);
-    const auto outputs = signature.substr(delimiter_pos + 1);
-
-    std::vector<M3ValueType> input_types;
-    std::vector<M3ValueType> output_types;
-    std::transform(
-        std::begin(inputs), std::end(inputs), std::back_inserter(input_types), translate_valtype);
-    std::transform(std::begin(outputs), std::end(outputs), std::back_inserter(output_types),
-        translate_valtype);
-    return {std::move(input_types), std::move(output_types)};
-}
-
 const void* env_adler32(
     IM3Runtime /*runtime*/, IM3ImportContext /*context*/, uint64_t* stack, void* mem)
 {
@@ -152,7 +125,8 @@ std::optional<WasmEngine::FuncRef> Wasm3Engine::find_function(
 
     std::vector<M3ValueType> inputs;
     std::vector<M3ValueType> outputs;
-    std::tie(inputs, outputs) = translate_signature(signature);
+    std::tie(inputs, outputs) = translate_function_signature<M3ValueType, M3ValueType::c_m3Type_i32,
+        M3ValueType::c_m3Type_i64>(signature);
 
     if (inputs.size() != m3_GetArgCount(function))
         return std::nullopt;