Convert LoadLibraryTransformer to Kotlin

bzip2
Graham 5 years ago
parent e969cc9882
commit f4a608acaf
  1. 62
      bundler/src/main/java/dev/openrs2/bundler/transform/LoadLibraryTransformer.java
  2. 47
      bundler/src/main/java/dev/openrs2/bundler/transform/LoadLibraryTransformer.kt

@ -1,62 +0,0 @@
package dev.openrs2.bundler.transform;
import dev.openrs2.asm.InsnMatcher;
import dev.openrs2.asm.classpath.ClassPath;
import dev.openrs2.asm.classpath.Library;
import dev.openrs2.asm.transform.Transformer;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.LdcInsnNode;
import org.objectweb.asm.tree.MethodNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class LoadLibraryTransformer extends Transformer {
private static final Logger logger = LoggerFactory.getLogger(LoadLibraryTransformer.class);
private static final InsnMatcher AMD64_CHECK_MATCHER = InsnMatcher.compile("GETSTATIC LDC INVOKEVIRTUAL IFNE GETSTATIC LDC INVOKEVIRTUAL IFNE");
private int jnilibs, amd64Checks;
@Override
protected void preTransform(ClassPath classPath) {
jnilibs = 0;
amd64Checks = 0;
}
@Override
protected boolean transformCode(ClassPath classPath, Library library, ClassNode clazz, MethodNode method) {
var foundJnilib = false;
for (var insn : method.instructions) {
if (insn.getOpcode() == Opcodes.LDC) {
var ldc = (LdcInsnNode) insn;
if (ldc.cst.equals("libjaggl.jnilib")) {
ldc.cst = "libjaggl.dylib";
foundJnilib = true;
jnilibs++;
break;
}
}
}
if (!foundJnilib) {
return false;
}
AMD64_CHECK_MATCHER.match(method).forEach(match -> {
var ldc = (LdcInsnNode) match.get(1);
if (ldc.cst.equals("amd64")) {
match.forEach(method.instructions::remove);
amd64Checks++;
}
});
return false;
}
@Override
protected void postTransform(ClassPath classPath) {
logger.info("Replaced {} jnilibs with dylibs and removed {} amd64 jagmisc checks", jnilibs, amd64Checks);
}
}

@ -0,0 +1,47 @@
package dev.openrs2.bundler.transform
import com.github.michaelbull.logging.InlineLogger
import dev.openrs2.asm.InsnMatcher
import dev.openrs2.asm.classpath.ClassPath
import dev.openrs2.asm.classpath.Library
import dev.openrs2.asm.transform.Transformer
import org.objectweb.asm.tree.ClassNode
import org.objectweb.asm.tree.LdcInsnNode
import org.objectweb.asm.tree.MethodNode
class LoadLibraryTransformer : Transformer() {
private var jnilibs = 0
private var amd64Checks = 0
override fun preTransform(classPath: ClassPath) {
jnilibs = 0
amd64Checks = 0
}
override fun transformCode(classPath: ClassPath, library: Library, clazz: ClassNode, method: MethodNode): Boolean {
val jnilib = method.instructions.find { it is LdcInsnNode && it.cst == "libjaggl.jnilib" } ?: return false
jnilib as LdcInsnNode
jnilib.cst = "libjaggl.dylib"
jnilibs++
AMD64_CHECK_MATCHER.match(method).forEach {
val ldc = it[1] as LdcInsnNode
if (ldc.cst == "amd64") {
it.forEach(method.instructions::remove)
amd64Checks++
}
}
return false
}
override fun postTransform(classPath: ClassPath) {
logger.info { "Replaced $jnilibs jnilibs with dylibs and removed $amd64Checks amd64 jagmisc checks" }
}
companion object {
private val logger = InlineLogger()
private val AMD64_CHECK_MATCHER =
InsnMatcher.compile("GETSTATIC LDC INVOKEVIRTUAL IFNE GETSTATIC LDC INVOKEVIRTUAL IFNE")
}
}
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