Download and build intellij-markdown when ABI version changes

2015-05-21 22:58:52 +03:00
parent 9ba6d91e2e
commit 79ee91c048
2 changed files with 153 additions and 14 deletions
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.infrastructure
+
+import java.io.File
+import java.util.jar.JarFile
+import org.jetbrains.org.objectweb.asm.*
+
+/**
+ * Checks that the two given Kotlin libraries have the same ABI version.
+ * If versions are equal, returns with exit code 0, otherwise returns with exit code 3.
+ * Some additional information is printed to stderr
+ */
+
+fun loadAbiVersionOfClass(bytes: ByteArray): Int? {
+    var result: Int? = null
+    ClassReader(bytes).accept(object : ClassVisitor(Opcodes.ASM5) {
+        override fun visitAnnotation(desc: String, visible: Boolean): AnnotationVisitor? {
+            if (desc == "Lkotlin/jvm/internal/KotlinClass;") {
+                return object : AnnotationVisitor(Opcodes.ASM5) {
+                    override fun visit(name: String, value: Any) {
+                        if (name == "abiVersion") {
+                            result = value as Int
+                        }
+                    }
+                }
+            }
+            return null
+        }
+    }, 0)
+    return result
+}
+
+fun loadVersion(library: File): Int {
+    val jarFile = JarFile(library)
+    try {
+        for (entry in jarFile.entries()) {
+            if (entry.getName().endsWith(".class")) {
+                val classBytes = jarFile.getInputStream(entry).readBytes()
+                loadAbiVersionOfClass(classBytes)?.let { return it }
+            }
+        }
+    }
+    finally {
+        // Yes, JarFile does not extend Closeable on JDK 6 so we can't use "use" here
+        jarFile.close()
+    }
+    
+    error("No Kotlin classes were found in $library")
+}
+
+fun main(args: Array<String>) {
+    if (args.size() != 2) {
+        error("Usage: kotlinc -script check-library-abi-version.kts <jar-1> <jar-2>")
+    }
+    
+    val library1 = File(args[0])
+    val library2 = File(args[1])
+
+    val v1 = loadVersion(library1)
+    val v2 = loadVersion(library2)
+
+    if (v1 != v2) {
+        System.err.println("ABI versions differ:")
+        System.err.println("  $library1 has version $v1")
+        System.err.println("  $library2 has version $v2")
+        System.exit(3)
+    }
+}
+
+main(args)