ForgePatch/buildSrc/src/main/groovy/net/minecraftforge/forge/tasks/CheckExcs.groovy

96 lines
2.5 KiB
Groovy

package net.minecraftforge.forge.tasks
import java.util.ArrayList
import java.util.TreeMap
import org.gradle.api.DefaultTask
import org.gradle.api.tasks.InputFile
import org.gradle.api.tasks.InputFiles
import org.gradle.api.tasks.TaskAction
import org.objectweb.asm.ClassReader
import org.objectweb.asm.ClassVisitor
import org.objectweb.asm.MethodVisitor
import org.objectweb.asm.Opcodes
import org.objectweb.asm.Type
import java.util.zip.ZipEntry
import java.util.zip.ZipInputStream
public class CheckExcs extends DefaultTask {
@InputFile File binary
@InputFiles File[] excs
@TaskAction
protected void exec() {
Util.init()
def known = []
binary.withInputStream { i ->
new ZipInputStream(i).withCloseable { zin ->
def visitor = new ClassVisitor(Opcodes.ASM7) {
private String cls
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
this.cls = name
}
@Override
public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
known.add(this.cls + '.' + name + descriptor)
super.visitMethod(access, name, descriptor, signature, exceptions)
}
}
ZipEntry zein
while ((zein = zin.nextEntry) != null) {
if (zein.name.endsWith('.class')) {
ClassReader reader = new ClassReader(zin)
reader.accept(visitor, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES)
}
}
}
}
excs.each { f ->
def lines = []
f.eachLine { line ->
def idx = line.indexOf('#')
if (idx == 0 || line.isEmpty()) {
return
}
def comment = idx == -1 ? null : line.substring(idx)
if (idx != -1) line = line.substring(0, idx - 1)
if (!line.contains('=')) {
println('Invalid: ' + line)
return
}
def (key, value) = line.split('=', 2)
if (!known.contains(key)) {
println(key)
println('Invalid: ' + line)
return
}
def (cls, desc) = key.split('\\.', 2)
if (!desc.contains('(')) {
println('Invalid: ' + line)
return
}
def name = desc.split('\\(', 2)[0]
desc = '(' + desc.split('\\(', 2)[1]
def (exceptions, args) = value.contains('|') ? value.split('|', 2) : [value, '']
if (args.split(',').length != Type.getArgumentTypes(desc).length) {
println('Invalid: ' + line)
return
}
lines.add(line)
}
f.text = lines.sort().join('\n')
}
}
}