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authorGravatar Thomas Van Lenten <thomasvl@google.com>2016-09-16 16:12:53 -0400
committerGravatar Thomas Van Lenten <thomasvl@google.com>2016-09-16 16:12:53 -0400
commit088532e8367dd681639e288665a3f0c9619c0cb5 (patch)
treeee4b552ae18484db6993eae459f209ee704b75a8 /DebugUtils/GTMMethodCheck.m
parent3da7e0c8de4adf4f923d5c6dee2fb3c9835a39f0 (diff)
Fix up GTM_METHOD_CHECK so that it doesn't need the objectivec runtime calls.
Diffstat (limited to 'DebugUtils/GTMMethodCheck.m')
-rw-r--r--DebugUtils/GTMMethodCheck.m102
1 files changed, 2 insertions, 100 deletions
diff --git a/DebugUtils/GTMMethodCheck.m b/DebugUtils/GTMMethodCheck.m
index 0ff795e..5a9a363 100644
--- a/DebugUtils/GTMMethodCheck.m
+++ b/DebugUtils/GTMMethodCheck.m
@@ -16,103 +16,5 @@
// the License.
//
-// Don't want any of this in release builds
-#ifdef DEBUG
-#import "GTMDefines.h"
-#import "GTMMethodCheck.h"
-#import "GTMObjC2Runtime.h"
-#import <dlfcn.h>
-
-void GTMMethodCheckMethodChecker(void) {
- // Run through all the classes looking for class methods that are
- // prefixed with xxGMMethodCheckMethod. If it finds one, it calls it.
- // See GTMMethodCheck.h to see what it does.
-#if !defined(__has_feature) || !__has_feature(objc_arc)
- NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-#else
- @autoreleasepool {
-#endif
- // Since GTMMethodCheckMethodChecker is not exported, we should always find
- // the copy in our local image. This will give us access to our local image
- // in the methodCheckerInfo structure.
- Dl_info methodCheckerInfo;
- int foundMethodChecker = dladdr(GTMMethodCheckMethodChecker,
- &methodCheckerInfo);
- _GTMDevAssert(foundMethodChecker, @"GTMMethodCheckMethodChecker: Unable to "
- @"get dladdr for GTMMethodCheckMethodChecker");
- int numClasses = 0;
- int newNumClasses = objc_getClassList(NULL, 0);
- int i;
- Class *classes = NULL;
- while (numClasses < newNumClasses) {
- numClasses = newNumClasses;
- classes = (Class *)realloc(classes, sizeof(Class) * numClasses);
- _GTMDevAssert(classes, @"Unable to allocate memory for classes");
- newNumClasses = objc_getClassList(classes, numClasses);
- }
- for (i = 0; i < numClasses && classes; ++i) {
- Class cls = classes[i];
- const char *className = class_getName(cls);
- _GTMDevAssert(className, @"GTMMethodCheckMethodChecker: Unable to "
- @"get className for class %d", i);
- // Since we are looking for a class method (+xxGMMethodCheckMethod...)
- // we need to query the isa pointer to see what methods it support, but
- // send the method (if it's supported) to the class itself.
- if (strcmp(className, "__ARCLite__") == 0) {
- // __ARCLite__ is "magic" and does not have a metaClass.
- continue;
- }
- Class metaClass = objc_getMetaClass(className);
- _GTMDevAssert(metaClass, @"GTMMethodCheckMethodChecker: Unable to "
- @"get metaClass for %s", className);
- unsigned int count;
- Method *methods = class_copyMethodList(metaClass, &count);
- if (count == 0) {
- continue;
- }
- _GTMDevAssert(methods, @"GTMMethodCheckMethodChecker: Unable to "
- @"get methods for class %s", className);
-
- unsigned int j;
- for (j = 0; j < count; ++j) {
- SEL selector = method_getName(methods[j]);
- _GTMDevAssert(selector, @"GTMMethodCheckMethodChecker: Unable to "
- @"get selector for method %d of %s", j, className);
- const char *name = sel_getName(selector);
- _GTMDevAssert(selector, @"GTMMethodCheckMethodChecker: Unable to "
- @"get name for method %d of %s", j, className);
- if (strstr(name, "xxGTMMethodCheckMethod") == name) {
- Dl_info methodInfo;
- IMP imp = method_getImplementation(methods[j]);
- _GTMDevAssert(selector, @"GTMMethodCheckMethodChecker: Unable to "
- @"get IMP for method %s of %s", name, className);
- int foundMethod = dladdr(imp, &methodInfo);
- _GTMDevAssert(foundMethod, @"GTMMethodCheckMethodChecker: Unable to "
- @"get dladdr for method %s of %s", name, className);
-
- // Check to make sure that the method we are checking comes from the
- // same image that we are in. We compare the address of the local
- // image (stored in |methodCheckerInfo| as noted above) with the
- // address of the image which implements the method we want to
- // check. If they match we continue. This does two things:
- // a) minimizes the amount of calls we make to the xxxGTMMethodCheck
- // methods. They should only be called once.
- // b) prevents initializers for various classes being called too
- // early
- if (methodCheckerInfo.dli_fbase == methodInfo.dli_fbase) {
- void (*func)(id, SEL) = (void *)imp;
- func(cls, selector);
- }
- }
- }
- free(methods);
- }
- free(classes);
-#if !defined(__has_feature) || !__has_feature(objc_arc)
- [pool drain];
-#else
- } // @autoreleasepool
-#endif
-}
-
-#endif // DEBUG
+// TODO(dmaclach): This file is no longer needed. Delete once we have cleaned
+// up GTM projects.