fix error spam when loading more modern libraries

Author: FalsePattern

src/main/java/com/falsepattern/lib/internal/asm/FPTransformer.java

@@ -30,7 +30,7 @@
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import java.util.Collections;
+import java.util.Arrays;
 import java.util.List;
 
 @Accessors(fluent = true)
@@ -45,6 +45,6 @@ public class FPTransformer implements SmartTransformer {
     private final Logger logger = LOG;
 
     public FPTransformer() {
-        transformers = Collections.singletonList(new IMixinPluginTransformer());
+        transformers = Arrays.asList(new IMixinPluginTransformer(), new ITypeDiscovererTransformer());
     }
 }

src/main/java/com/falsepattern/lib/internal/asm/ITypeDiscovererTransformer.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2022 FalsePattern
+ * All Rights Reserved
+ *
+ * The above copyright notice, this permission notice and the word "SNEED"
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.falsepattern.lib.internal.asm;
+
+import com.falsepattern.lib.asm.IClassNodeTransformer;
+import lombok.val;
+import org.objectweb.asm.tree.ClassNode;
+import org.objectweb.asm.tree.LdcInsnNode;
+
+public class ITypeDiscovererTransformer implements IClassNodeTransformer {
+    @Override
+    public String getName() {
+        return "ITypeDiscovererTransformer";
+    }
+
+    @Override
+    public boolean shouldTransform(ClassNode cn, String transformedName, boolean obfuscated) {
+        return "cpw.mods.fml.common.discovery.ITypeDiscoverer".equals(transformedName);
+    }
+
+    @Override
+    public void transform(ClassNode cn, String transformedName, boolean obfuscated) {
+        for (val method: cn.methods) {
+            if (!method.name.equals("<clinit>")) {
+                continue;
+            }
+            val instructions = method.instructions;
+            for (int i = 0; i < instructions.size(); i++) {
+                val insn = instructions.get(i);
+                if (insn instanceof LdcInsnNode) {
+                    val ldc = (LdcInsnNode) insn;
+                    if (ldc.cst.equals("[^\\s\\$]+(\\$[^\\s]+)?\\.class$")) {
+                        ldc.cst = "(?!module-info)[^\\s\\$]+(\\$[^\\s]+)?\\.class$";
+                        return;
+                    }
+                }
+            }
+        }
+    }
+}