Welcome to unsafe optimizations.

diff --git a/Cydia.mm b/Cydia.mm
index 758a99e779bc02a2d3d3c74e72575470f4808713..7e4f33fef4ca7466bd7eed9aade6d1b2296c34c2 100644 (file)
--- a/Cydia.mm
+++ b/Cydia.mm
@@ -129,6 +129,7 @@ class ProfileTime {
   private:
     const char *name_;
     uint64_t total_;
   private:
     const char *name_;
     uint64_t total_;

+    uint64_t count_;

 
   public:
     ProfileTime(const char *name) :
 
   public:
     ProfileTime(const char *name) :


@@ -140,12 +141,14 @@ class ProfileTime {
 
     void AddTime(uint64_t time) {
         total_ += time;
 
     void AddTime(uint64_t time) {
         total_ += time;

+        ++count_;

     }
 
     void Print() {
         if (total_ != 0)
     }
 
     void Print() {
         if (total_ != 0)

-            std::cerr << std::setw(7) << total_ << " : " << name_ << std::endl;
+            std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;

         total_ = 0;
         total_ = 0;

+        count_ = 0;

     }
 };
 
     }
 };
 


@@ -4375,6 +4378,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 /* Filtered Package Table {{{ */
 @interface FilteredPackageTable : PackageTable {
     SEL filter_;
 /* Filtered Package Table {{{ */
 @interface FilteredPackageTable : PackageTable {
     SEL filter_;

+    IMP imp_;

     id object_;
 }
 
     id object_;
 }
 


@@ -4402,7 +4406,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (bool) hasPackage:(Package *)package {
 }
 
 - (bool) hasPackage:(Package *)package {

-    return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(&objc_msgSend))(package, filter_, object_);
+    _profile(FilteredPackageTable$hasPackage)
+        return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
+    _end

 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {


@@ -4410,6 +4416,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         filter_ = filter;
         object_ = object == nil ? nil : [object retain];
 
         filter_ = filter;
         object_ = object == nil ? nil : [object retain];
 

+        /* XXX: this is an unsafe optimization of doomy hell */
+        Method method = class_getInstanceMethod([Package class], filter);
+        imp_ = method_getImplementation(method);
+        _assert(imp_ != NULL);
+

         [self reloadData];
     } return self;
 }
         [self reloadData];
     } return self;
 }