From a7db476a85150945c9b1c3b25e90331a384fa257 Mon Sep 17 00:00:00 2001
From: coder-chenzhi <zilingqishi@gmail.com>
Date: Thu, 9 May 2019 20:36:17 +0800
Subject: [PATCH] Issue#485 make reading manifest optional in
 AnalysisScopeReader

---
 .../wala/util/config/AnalysisScopeReader.java | 44 +++++++++++++------
 1 file changed, 31 insertions(+), 13 deletions(-)

diff --git a/com.ibm.wala.core/src/com/ibm/wala/util/config/AnalysisScopeReader.java b/com.ibm.wala.core/src/com/ibm/wala/util/config/AnalysisScopeReader.java
index 6a2d6b9e3b..3d0c5dc0f4 100644
--- a/com.ibm.wala.core/src/com/ibm/wala/util/config/AnalysisScopeReader.java
+++ b/com.ibm.wala.core/src/com/ibm/wala/util/config/AnalysisScopeReader.java
@@ -213,23 +213,34 @@ public static AnalysisScope makePrimordialScope(File exclusionsFile) throws IOEx
   /**
    * @param classPath class path to analyze, delimited by {@link File#pathSeparator}
    * @param exclusionsFile file holding class hierarchy exclusions. may be null
+   * @param readManifest read manifest to retrieve Class-Path entries
    * @throws IllegalStateException if there are problems reading wala properties
    */
-  public static AnalysisScope makeJavaBinaryAnalysisScope(String classPath, File exclusionsFile)
-      throws IOException {
+  public static AnalysisScope makeJavaBinaryAnalysisScope(
+      String classPath, File exclusionsFile, boolean readManifest) throws IOException {
     if (classPath == null) {
       throw new IllegalArgumentException("classPath null");
     }
     AnalysisScope scope = makePrimordialScope(exclusionsFile);
     ClassLoaderReference loader = scope.getLoader(AnalysisScope.APPLICATION);
 
-    addClassPathToScope(classPath, scope, loader);
+    addClassPathToScope(classPath, scope, loader, readManifest);
 
     return scope;
   }
 
+  /**
+   * @param classPath class path to analyze, delimited by {@link File#pathSeparator}
+   * @param exclusionsFile file holding class hierarchy exclusions. may be null
+   * @throws IllegalStateException if there are problems reading wala properties
+   */
+  public static AnalysisScope makeJavaBinaryAnalysisScope(String classPath, File exclusionsFile)
+      throws IOException {
+    return makeJavaBinaryAnalysisScope(classPath, exclusionsFile, true);
+  }
+
   public static void addClassPathToScope(
-      String classPath, AnalysisScope scope, ClassLoaderReference loader) {
+      String classPath, AnalysisScope scope, ClassLoaderReference loader, boolean readManifest) {
     if (classPath == null) {
       throw new IllegalArgumentException("null classPath");
     }
@@ -240,18 +251,20 @@ public static void addClassPathToScope(
         if (path.endsWith(".jar")) {
           JarFile jar = new JarFile(path, false);
           scope.addToScope(loader, jar);
-          try {
-            if (jar.getManifest() != null) {
-              String cp = jar.getManifest().getMainAttributes().getValue("Class-Path");
-              if (cp != null) {
-                for (String cpEntry : cp.split(" ")) {
-                  addClassPathToScope(
-                      new File(path).getParent() + File.separator + cpEntry, scope, loader);
+          if (readManifest) {
+            try {
+              if (jar.getManifest() != null) {
+                String cp = jar.getManifest().getMainAttributes().getValue("Class-Path");
+                if (cp != null) {
+                  for (String cpEntry : cp.split(" ")) {
+                    addClassPathToScope(
+                        new File(path).getParent() + File.separator + cpEntry, scope, loader);
+                  }
                 }
               }
+            } catch (RuntimeException e) {
+              System.err.println("warning: trouble processing class path of " + path);
             }
-          } catch (RuntimeException e) {
-            System.err.println("warning: trouble processing class path of " + path);
           }
         } else {
           File f = new File(path);
@@ -266,4 +279,9 @@ public static void addClassPathToScope(
       Assertions.UNREACHABLE(e.toString());
     }
   }
+
+  public static void addClassPathToScope(
+      String classPath, AnalysisScope scope, ClassLoaderReference loader) {
+    addClassPathToScope(classPath, scope, loader, true);
+  }
 }