1 files changed, 114 insertions, 0 deletions
diff --git a/third_party/jarjar/java/com/tonicsystems/jarjar/StringReader.java b/third_party/jarjar/java/com/tonicsystems/jarjar/StringReader.java
new file mode 100644
index 0000000000..d1c11088e1
--- /dev/null
+++ b/third_party/jarjar/java/com/tonicsystems/jarjar/StringReader.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2007 Google Inc.
+ *
+ * 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 com.tonicsystems.jarjar;
+
+import org.objectweb.asm.*;
+
+abstract class StringReader extends ClassVisitor {
+  private int line = -1;
+  private String className;
+
+  public StringReader() {
+    super(Opcodes.ASM6);
+  }
+
+  public abstract void visitString(String className, String value, int line);
+
+  private void handleObject(Object value) {
+    if (value instanceof String) {
+      visitString(className, (String) value, line);
+    }
+  }
+
+  @Override
+  public void visit(
+      int version,
+      int access,
+      String name,
+      String signature,
+      String superName,
+      String[] interfaces) {
+    className = name;
+    line = -1;
+  }
+
+  public FieldVisitor visitField(
+      int access, String name, String desc, String signature, Object value) {
+    handleObject(value);
+    return new FieldVisitor(Opcodes.ASM6) {
+      @Override
+      public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+        return StringReader.this.visitAnnotation(desc, visible);
+      }
+    };
+  }
+
+  @Override
+  public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+    return new AnnotationVisitor(Opcodes.ASM6) {
+      @Override
+      public void visit(String name, Object value) {
+        handleObject(value);
+      }
+
+      @Override
+      public void visitEnum(String name, String desc, String value) {
+        handleObject(value);
+      }
+
+      @Override
+      public AnnotationVisitor visitAnnotation(String name, String desc) {
+        return this;
+      }
+    };
+  }
+
+  @Override
+  public MethodVisitor visitMethod(
+      int access, String name, String desc, String signature, String[] exceptions) {
+    MethodVisitor mv =
+        new MethodVisitor(Opcodes.ASM6) {
+          @Override
+          public void visitLdcInsn(Object cst) {
+            handleObject(cst);
+          }
+
+          @Override
+          public void visitLineNumber(int line, Label start) {
+            StringReader.this.line = line;
+          }
+
+          @Override
+          public void visitInvokeDynamicInsn(
+              String name, String desc, Handle bsm, Object... bsmArgs) {
+            for (Object bsmArg : bsmArgs) handleObject(bsmArg);
+          }
+
+          @Override
+          public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
+            return StringReader.this.visitAnnotation(desc, visible);
+          }
+
+          @Override
+          public AnnotationVisitor visitParameterAnnotation(
+              int parameter, String desc, boolean visible) {
+            return StringReader.this.visitAnnotation(desc, visible);
+          }
+        };
+    return mv;
+  }
+}