299e8158d6
Added support for "drain".
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50831 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 21:17:39 +00:00
0fcbf8ef89
Expand the CF retain checker to allow the Create/Get rule to apply to any
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function that returns a CFxxxRef, not just functions whose name begins with
CF. This implements <rdar://problem/5917879>.
Added test case for this feature.
Updated calls to CStrInCStrNoCase to swap their arguments, per compatibility
with strcasestr.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50829 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 20:06:41 +00:00
0ae24fa129
Flip order of arguments to CStrInStrNoCase.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50824 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 18:57:30 +00:00
900a2d7f76
Use llvm::CStrInCStrNoCase instead of strcasestr, since the latter is not portable.
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Correctly check if the result of CStrInCStrNoCase is NULL to generate summaries; before we were inverting the condition.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50822 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 18:36:45 +00:00
f4250e24bc
copy-paste: NS types are not typedefs.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50817 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 17:35:41 +00:00
05a7b0e109
Do not treat **instance** methods "copyWithZone:" and "mutableCopyWithZone:" from NSObject as allocators.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50802 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 05:34:45 +00:00
84060dbbe5
Be less promiscuous with generating summaries for "new", "copy", "create".
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50798 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 04:25:59 +00:00
a4b695a935
Added auto-summary generation for createXXX, copyXXX, newXXX methods.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50795 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-07 03:45:05 +00:00
a22cc2f6a6
Don't report leaks for autoreleased objects.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50777 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 23:07:13 +00:00
c839560d1b
More comments.
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"#if 0" out some assumptions when auto-generating method summaries.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50772 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 21:26:51 +00:00
432af5985a
Experiment with not converting bug names to lower case.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50753 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 18:11:36 +00:00
1bffd7471b
Generate "stop" summaries for selectors involving receivers whose type is not NSxxxx.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50721 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 15:44:25 +00:00
84548b8352
Use strncmp correctly.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50715 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 06:17:42 +00:00
aee9e57ced
Make string comparison legible and remove buffer overrun introduced by typo.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50714 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 06:09:09 +00:00
70f9d8652b
String comparison cleanups.
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Added test case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50711 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 04:28:05 +00:00
3fa0d299f9
Fix logic error in string processing.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50710 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 04:21:38 +00:00
0855dc31cd
Remove assertion.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50709 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 04:21:10 +00:00
b309525445
Use EvalSummary to process message expressions, thereby unifying the checker
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logic for function calls and message expressions.
Use the following heuristic to infer "allocating" instance methods:
[ClassName classWithXXX] allocates an object
Update testcase to reflect this heuristic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50708 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 04:20:12 +00:00
1499389d00
Added receiver effects to EvalSummary.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50700 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 02:41:27 +00:00
3c0cea3957
Expand summaries to include "Receiver" effects.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50697 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 02:26:56 +00:00
b3c3c28c65
Added initialization code to generate initial set of ObjC method summaries (non-instance methods).
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50690 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 00:38:54 +00:00
9c32d08925
Added code to generate initial set of summaries for instance methods.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50689 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-06 00:30:21 +00:00
46e49eeb30
Add summary generation for "initXXX" methods.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50684 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 23:55:01 +00:00
789deacdad
Make CF retain diagnostics more succinct.
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In a leak's "name", indicate GC or non-GC bugs.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50680 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 23:16:31 +00:00
d3dbcf4be7
Initial work on refactoring the CFRefCount checker so that it is more
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generic and handles reference counts for NSObjects.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50674 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 22:11:16 +00:00
e28565b994
Improve leak diagnostics to not report a leak on the same line where
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the object was last used. This can be confusing to users.
For example:
// 'y' is leaked
x = foo(y);
instead:
x = foo(y);
// 'y' is leaked
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50661 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 18:50:19 +00:00
ce48e00a35
Improved leak diagnostics.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50657 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 17:53:17 +00:00
86ad3bcfc9
Minor refactorings/cleanups in CF retain checker and added support for NSMakeCollectable.
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Added test case for NSMakeCollectable.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50653 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05 16:51:50 +00:00
e92c1b26b3
Improved diagnostics for leaks: now we report which variable was leaked.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50588 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-02 20:53:50 +00:00
9f7416138b
When running the reference count checker twice (GC and non-GC mode), only emit
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basic warnings (dead stores, null dereferences) on the first pass.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50584 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-02 18:01:49 +00:00
529a9bde67
Fix copy-paste bug.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50557 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 23:38:35 +00:00
52a67df921
Remove no longer valid assertion.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50556 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 23:28:56 +00:00
c9fa2f7bcc
Added line number diagnostics to indicate the allocation site of the leaked object.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50553 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 23:13:35 +00:00
bb77e9b908
Do not highlight bogus ranges for leaks.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50549 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 22:50:36 +00:00
9040c65860
Correctly invalidate reference count state when passing objects by reference in message expressions we don't understand.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50541 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 21:31:50 +00:00
b83e02eeda
Renamed static method.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50533 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 18:31:44 +00:00
31593ac278
When processing "release", "retain", and "autorelease" messages return the
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lval passed as an argument.
Fix: Inverted diagnostic messages.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50513 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 04:02:04 +00:00
5934cee407
Added support for "autorelease" message in CF ref. count checker.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50512 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-01 02:18:37 +00:00
072192bcbb
added preliminary diagnostics in scan-build results to denote whether
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a CF memory leak occurred with GC enabled, etc.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50507 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30 23:47:44 +00:00
c0c3f5dbc9
Teach more of the static analyzer about ObjCQualifiedIdType.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50494 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30 20:17:27 +00:00
036dce063a
Teach the static analysis engine about ObjCQualifiedIdType.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50493 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-30 20:01:29 +00:00
65c9165dad
Update typestate logic to support GC-mode.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50396 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29 05:44:10 +00:00
377e2306a6
Implement semantics of CFMakeCollectable for the CF-reference count checker.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50395 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29 05:33:51 +00:00
e5c30122ca
Provide the option to run the CF-retain checker in GC enabled mode.
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The transfer functions for the checker don't do anything special yet in GC mode.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50394 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-29 05:13:59 +00:00
910e999c19
Do a better job at computing dead symbols.
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Implemented support for better localized leaks in the CF reference count checker.
Now leaks should be flagged close to where they occur.
This should implement the desired functionality in <rdar://problem/5879592>, although the diagnostics still need to be improved.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50241 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25 01:25:15 +00:00
652adc6c5d
Add preliminary support for flagging leaks around when they happen (doesn't work yet).
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50237 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 23:57:27 +00:00
891d5ccc46
CF reference count checker: handle variadic functions that allocate CF objects.
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This fixes <rdar://problem/5886141>.
Part of this change resulted in creating sparser summaries. I also added
some more comments and did some minor code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50214 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24 17:22:33 +00:00
186350f192
Fixed: <rdar://problem/5881148>
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Problem:
In the recently refactored VisitDeref (which processes dereferences), we
were incorrectly skipping the node just generated for the subexpression
of the dereference. This was a horrible regression.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50176 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23 20:12:28 +00:00
a548846b47
Added lval type (and tracking) for StringLiterals.
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50109 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22 21:39:21 +00:00
95cc1bae89
Generalize caching mechanism for bugs reports. Now individual BugTypes
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can decide the policy on how to cache related bugs. This allows us to
properly to handle warning about multiple leaks in the same location in the
ref count checker (not yet done).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49918 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18 20:54:29 +00:00
Ted Kremenek