[Codacy] Fixed some issues found by codacy.

Added skipping shaders directory in scan

.codacy.yaml

@@ -5,3 +5,4 @@ exclude_paths:
   - 'docs/**'
   - 'android/**'
   - '**.md'
+  - 'src/xenia/gpu/shaders/**'

src/xenia/app/emulator_window.cc

@@ -1613,8 +1613,8 @@ void EmulatorWindow::LoadRecentlyLaunchedTitles() {
   try {
     cpptoml::parser p(file);
     parsed_file = p.parse();
-  } catch (cpptoml::parse_exception exception) {
-    // TODO(Gliniak): Better handling of errors, but good enough for now.
+  } catch (cpptoml::parse_exception& exception) {
+    XELOGE("Cannot parse file: recent.toml. Error: {}", exception.what());
     return;
   }
 

src/xenia/apu/xma_context.cc

@@ -385,7 +385,6 @@ void XmaContext::Decode(XMA_CONTEXT_DATA* data) {
       data->input_buffer_0_packet_count * kBytesPerPacket;
   size_t input_buffer_1_size =
       data->input_buffer_1_packet_count * kBytesPerPacket;
-  size_t input_total_size = input_buffer_0_size + input_buffer_1_size;
 
   size_t current_input_size =
       data->current_buffer ? input_buffer_1_size : input_buffer_0_size;
@@ -420,7 +419,6 @@ void XmaContext::Decode(XMA_CONTEXT_DATA* data) {
   assert_false(data->stop_when_done);
   assert_false(data->interrupt_when_done);
   static int total_samples = 0;
-  bool reuse_input_buffer = false;
   // Decode until we can't write any more data.
   while (output_remaining_bytes > 0) {
     if (!data->input_buffer_0_valid && !data->input_buffer_1_valid) {
@@ -429,7 +427,7 @@ void XmaContext::Decode(XMA_CONTEXT_DATA* data) {
     }
     // Setup the input buffer if we are at loop_end.
     // The input buffer must not be swapped out until all loops are processed.
-    reuse_input_buffer = TrySetupNextLoop(data, false);
+    bool reuse_input_buffer = TrySetupNextLoop(data, false);
 
     // assert_true(packets_skip_ == 0);
     // assert_true(split_frame_len_ == 0);

src/xenia/base/filesystem_posix.cc

@@ -118,7 +118,7 @@ static uint64_t convertUnixtimeToWinFiletime(time_t unixtime) {
   // so we convert linux time to nanoseconds and then add the number of
   // nanoseconds from 1601 to 1970
   // see https://msdn.microsoft.com/en-us/library/ms724228
-  uint64_t filetime = filetime = (unixtime * 10000000) + 116444736000000000;
+  uint64_t filetime = (unixtime * 10000000) + 116444736000000000;
   return filetime;
 }
 

src/xenia/config.cc

@@ -61,7 +61,7 @@ std::shared_ptr<cpptoml::table> ParseConfig(
     const std::filesystem::path& config_path) {
   try {
     return ParseFile(config_path);
-  } catch (cpptoml::parse_exception e) {
+  } catch (cpptoml::parse_exception& e) {
     xe::FatalError(fmt::format("Failed to parse config file '{}':\n\n{}",
                                xe::path_to_utf8(config_path), e.what()));
     return nullptr;

src/xenia/cpu/backend/x64/x64_backend.cc

@@ -1172,7 +1172,7 @@ void* X64HelperEmitter::EmitVectorVRsqrteHelper(void* scalar_helper) {
   vshufps(xmm0, xmm0,xmm0, _MM_SHUFFLE(3, 3, 3, 3));
   call(scalar_helper);
   // this->DebugBreak();
-  vinsertps(xmm0, xmm0, (3 << 4) | (0 << 6));
+  vinsertps(xmm0, xmm0, (3 << 4));
 
   vblendps(xmm0, xmm0, ptr[backend()->LookupXMMConstantAddress(XMMFloatInf)],
            0b0111);

src/xenia/cpu/hir/value.cc

@@ -1593,7 +1593,6 @@ void Value::VectorAverage(Value* other, TypeName type, bool is_unsigned,
 void Value::ByteSwap() {
   switch (type) {
     case INT8_TYPE:
-      constant.i8 = constant.i8;
       break;
     case INT16_TYPE:
       constant.i16 = xe::byte_swap(constant.i16);

src/xenia/kernel/kernel_state.cc

@@ -1213,7 +1213,7 @@ void KernelState::InitializeKernelGuestGlobals() {
 
   KernelGuestGlobals* block =
       memory_->TranslateVirtual<KernelGuestGlobals*>(kernel_guest_globals_);
-  memset(block, 0, sizeof(block));
+  memset(block, 0, sizeof(KernelGuestGlobals));
 
   auto idle_process = memory()->TranslateVirtual<X_KPROCESS*>(GetIdleProcess());
   InitializeProcess(idle_process, X_PROCTYPE_IDLE, 0, 0, 0);