Devang Patel
ac25fc6f2e
Begin handling union bitfields.
...
Note, this is just beginning.
llvm-svn: 50835
2008-05-07 22:28:29 +00:00
Ted Kremenek
bcdb46830b
Added support for "drain".
...
llvm-svn: 50831
2008-05-07 21:17:39 +00:00
Fariborz Jahanian
8983f17ba0
Synthesized getter/setter method declarations need not have
...
an implementation. This fixes couple of failing prperty tests
caused by my previous patch.
llvm-svn: 50830
2008-05-07 20:53:44 +00:00
Ted Kremenek
f958ec50c0
Expand the CF retain checker to allow the Create/Get rule to apply to any
...
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.
llvm-svn: 50829
2008-05-07 20:06:41 +00:00
Ted Kremenek
fcf060fd2f
Flip order of arguments to CStrInStrNoCase.
...
llvm-svn: 50824
2008-05-07 18:57:30 +00:00
Ted Kremenek
b6cbf28d82
Use llvm::CStrInCStrNoCase instead of strcasestr, since the latter is not portable.
...
Correctly check if the result of CStrInCStrNoCase is NULL to generate summaries; before we were inverting the condition.
llvm-svn: 50822
2008-05-07 18:36:45 +00:00
Fariborz Jahanian
ec6e4c8096
This patch introduces declaration of getter methods for ObjC2's
...
properties. Couple of property tests will fail with this patch.
Will fix them next.
llvm-svn: 50818
2008-05-07 17:43:59 +00:00
Ted Kremenek
89bd0fc27d
copy-paste: NS types are not typedefs.
...
llvm-svn: 50817
2008-05-07 17:35:41 +00:00
Steve Naroff
456c0f6738
Fixup InitListExpr::child_begin/end. Thanks to Ted for catching the regression.
...
llvm-svn: 50816
2008-05-07 17:35:03 +00:00
Steve Naroff
6eda39c345
Fix off-by-one error.
...
llvm-svn: 50815
2008-05-07 16:50:14 +00:00
Ted Kremenek
7bf9dc773c
Do not treat **instance** methods "copyWithZone:" and "mutableCopyWithZone:" from NSObject as allocators.
...
llvm-svn: 50802
2008-05-07 05:34:45 +00:00
Douglas Gregor
caa8acebe7
Diagnose attempts to use C++ default arguments outside of a function declaration
...
llvm-svn: 50799
2008-05-07 04:49:29 +00:00
Ted Kremenek
9930bd8c4f
Be less promiscuous with generating summaries for "new", "copy", "create".
...
llvm-svn: 50798
2008-05-07 04:25:59 +00:00
Ted Kremenek
08eb30f193
Added auto-summary generation for createXXX, copyXXX, newXXX methods.
...
llvm-svn: 50795
2008-05-07 03:45:05 +00:00
Ted Kremenek
aec1811c6c
Don't report leaks for autoreleased objects.
...
llvm-svn: 50777
2008-05-06 23:07:13 +00:00
Ted Kremenek
767d0742c7
More comments.
...
"#if 0" out some assumptions when auto-generating method summaries.
llvm-svn: 50772
2008-05-06 21:26:51 +00:00
Devang Patel
243d5cd283
Fix PR2101 - Codegen crash during bitfield initialization.
...
llvm-svn: 50769
2008-05-06 19:57:59 +00:00
Ted Kremenek
10427bdbb9
Experiment with not converting bug names to lower case.
...
llvm-svn: 50753
2008-05-06 18:11:36 +00:00
Ted Kremenek
8bcc1bd3d5
More refactorings in GeneratePathDiagnostic: use ExecutionContinues to display
...
"Execution continues..." message, which does a better job at handling corner cases.
llvm-svn: 50751
2008-05-06 18:11:09 +00:00
Fariborz Jahanian
09367d68ff
Patch to refactor setter/getter names of property attributes into Selector
...
(was IdentifierInfo * before). This will make method declartations whole
lot easier.
llvm-svn: 50747
2008-05-06 18:09:04 +00:00
Ted Kremenek
cb2e636606
Generate "stop" summaries for selectors involving receivers whose type is not NSxxxx.
...
llvm-svn: 50721
2008-05-06 15:44:25 +00:00
Ted Kremenek
68f463b88e
Use strncmp correctly.
...
llvm-svn: 50715
2008-05-06 06:17:42 +00:00
Ted Kremenek
5f478e9a0a
Make string comparison legible and remove buffer overrun introduced by typo.
...
llvm-svn: 50714
2008-05-06 06:09:09 +00:00
Ted Kremenek
2f08fedec1
String comparison cleanups.
...
Added test case.
llvm-svn: 50711
2008-05-06 04:28:05 +00:00
Ted Kremenek
041d02201f
Fix logic error in string processing.
...
llvm-svn: 50710
2008-05-06 04:21:38 +00:00
Ted Kremenek
c9f4948bba
Remove assertion.
...
llvm-svn: 50709
2008-05-06 04:21:10 +00:00
Ted Kremenek
015c3561ad
Use EvalSummary to process message expressions, thereby unifying the checker
...
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.
llvm-svn: 50708
2008-05-06 04:20:12 +00:00
Ted Kremenek
821537ecdb
Added receiver effects to EvalSummary.
...
llvm-svn: 50700
2008-05-06 02:41:27 +00:00
Ted Kremenek
b0862dca6c
Expand summaries to include "Receiver" effects.
...
llvm-svn: 50697
2008-05-06 02:26:56 +00:00
Chris Lattner
dbcc2ca6b2
simplify some builder calls.
...
llvm-svn: 50694
2008-05-06 00:56:42 +00:00
Chris Lattner
222c6123df
remove a stray printout
...
llvm-svn: 50691
2008-05-06 00:44:00 +00:00
Ted Kremenek
be7c56ed78
Added initialization code to generate initial set of ObjC method summaries (non-instance methods).
...
llvm-svn: 50690
2008-05-06 00:38:54 +00:00
Ted Kremenek
0806f910d4
Added code to generate initial set of summaries for instance methods.
...
llvm-svn: 50689
2008-05-06 00:30:21 +00:00
Steve Naroff
125d73dc84
Several fixes to SemaInit.cpp. It's still not enabled (since it fails a few tests). Expect to enable it very soon.
...
llvm-svn: 50688
2008-05-06 00:23:44 +00:00
Ted Kremenek
3d1e972275
Add summary generation for "initXXX" methods.
...
llvm-svn: 50684
2008-05-05 23:55:01 +00:00
Ted Kremenek
046845e842
Make CF retain diagnostics more succinct.
...
In a leak's "name", indicate GC or non-GC bugs.
llvm-svn: 50680
2008-05-05 23:16:31 +00:00
Ted Kremenek
f15cd14a3d
Emit dead store warnings for ++ and -- operators.
...
llvm-svn: 50679
2008-05-05 23:12:21 +00:00
Chris Lattner
4dd2710222
Fix rdar://5905347 a crash on invalid builtin, due to the
...
params not getting installed for builtins when synthesized.
llvm-svn: 50676
2008-05-05 22:18:14 +00:00
Ted Kremenek
00daccdd2a
Initial work on refactoring the CFRefCount checker so that it is more
...
generic and handles reference counts for NSObjects.
llvm-svn: 50674
2008-05-05 22:11:16 +00:00
Chris Lattner
00e2607de2
Add support for -Wimplicit-function-declaration, rdar://5907433
...
llvm-svn: 50672
2008-05-05 21:18:06 +00:00
Chris Lattner
ca2b318233
Fix typo, improve comment.
...
llvm-svn: 50666
2008-05-05 20:09:27 +00:00
Chris Lattner
db65ff7223
Fix a few more bugs in preprocessor expressions w.r.t. ?:. Now I
...
think it is really right. :) This fixes PR2284.
llvm-svn: 50665
2008-05-05 20:07:41 +00:00
Fariborz Jahanian
8d91686b0d
percolate @optional/@required protocols down to ASTs for
...
properties declared in the protocol.
llvm-svn: 50662
2008-05-05 18:51:55 +00:00
Ted Kremenek
627c3074dd
Improve leak diagnostics to not report a leak on the same line where
...
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
llvm-svn: 50661
2008-05-05 18:50:19 +00:00
Ted Kremenek
3917b82e85
Improved leak diagnostics.
...
llvm-svn: 50657
2008-05-05 17:53:17 +00:00
Ted Kremenek
875db81301
Minor refactorings/cleanups in CF retain checker and added support for NSMakeCollectable.
...
Added test case for NSMakeCollectable.
llvm-svn: 50653
2008-05-05 16:51:50 +00:00
Ted Kremenek
db04a9e967
When reporting branch conditions that evaluate to an uninitialized value,
...
highlight the most nested subexpression that appears most responsible (giving
the user better diagnostic feedback).
Updated test cases to illustrate this feature.
Implements: <rdar://problem/5880443>
llvm-svn: 50647
2008-05-05 15:56:53 +00:00
Chris Lattner
3565c8e343
Neil pointed out that clang doesn't generate ranges from diagnostics
...
related to pp-expressions. Doing so is pretty simple and this
patch implements it, yielding nice diagnostics like:
t.c:2:7: error: division by zero in preprocessor expression
#if 1 / (0 + 0)
~ ^ ~~~~~~~
t.c:5:14: error: expected ')' in preprocessor expression
#if (412 + 42
~~~~~~~~^
t.c:5:5: error: to match this '('
#if (412 + 42
^
t.c:10:10: warning: left side of operator converted from negative value to unsigned: -42 to 18446744073709551574
#if (-42 + 0U) / -2
~~~ ^ ~~
t.c:10:16: warning: right side of operator converted from negative value to unsigned: -2 to 18446744073709551614
#if (-42 + 0U) / -2
~~~~~~~~~~ ^ ~~
5 diagnostics generated.
llvm-svn: 50638
2008-05-05 06:45:50 +00:00
Chris Lattner
3c57f7ebab
fix a bug handling right associative operators that Neil noticed, hopefully
...
the final part of PR2279
llvm-svn: 50635
2008-05-05 04:10:51 +00:00
Chris Lattner
ca671b0e51
||/&& do not do UAC's either. This silences a bogus warning on #if -1 || 4U.
...
llvm-svn: 50632
2008-05-04 23:46:17 +00:00
Chris Lattner
4af72c76dd
Neil points out that commas don't do UACs either.
...
llvm-svn: 50631
2008-05-04 23:38:48 +00:00
Chris Lattner
d89e458ce0
Fix the rest of PR2279:
...
a) correct rejection of ',' in pp expressions.
b) the precedence of ',' was wrong w.r.t. ?:.
Thanks again to Neil for finding these and providing testcases.
llvm-svn: 50625
2008-05-04 18:36:18 +00:00
Chris Lattner
a08f869c22
Fix PR2279 part C: shifts don't perform the UACs, thanks to Neil
...
for pointing this out.
llvm-svn: 50624
2008-05-04 18:25:32 +00:00
Chris Lattner
1e151816b2
use simplified API for making fp constants.
...
llvm-svn: 50623
2008-05-04 18:23:51 +00:00
Chris Lattner
0a9718eab0
fix a nasty bug that Neil identifier in pp-expr parsing (this is PR2279 part D).
...
llvm-svn: 50617
2008-05-04 07:15:21 +00:00
Chris Lattner
7b9293ba20
Simplify FunctionDecl::AddRedeclaration a bit by using std::swap.
...
Fix 'swapping' of attributes to not insert null values into the
DeclAttrs map.
llvm-svn: 50612
2008-05-04 02:29:49 +00:00
Chris Lattner
bc22b5b327
if a decl is both 'static' and weak or static and inline, its linkage
...
type should be internal, not weak/linkonce.
llvm-svn: 50611
2008-05-04 01:44:26 +00:00
Ted Kremenek
a5e2df015a
Rename member variable.
...
llvm-svn: 50597
2008-05-02 23:21:21 +00:00
Ted Kremenek
983be7cee6
Improved diagnostics for leaks: now we report which variable was leaked.
...
llvm-svn: 50588
2008-05-02 20:53:50 +00:00
Fariborz Jahanian
98a6c4fa77
This patch is about merging ObjC2's properties declared in class
...
protocols into class's property list and performing semantics
on them for while doing so.
llvm-svn: 50587
2008-05-02 19:17:30 +00:00
Ted Kremenek
3b33e2544a
Fixed bug in ObjCIVarExpr: the child iterator now iterates over the Base expression.
...
llvm-svn: 50585
2008-05-02 18:40:22 +00:00
Ted Kremenek
789942cfda
When running the reference count checker twice (GC and non-GC mode), only emit
...
basic warnings (dead stores, null dereferences) on the first pass.
llvm-svn: 50584
2008-05-02 18:01:49 +00:00
Ted Kremenek
a06e7120bb
Bug fix in StmtPrinter to handle pretty-printing ObjCMessageExprs involving variadic methods (also did some cosmetic cleanups in the printing output).
...
llvm-svn: 50583
2008-05-02 17:32:38 +00:00
Ted Kremenek
bb7386aff5
Really noreturn on exceptions.
...
llvm-svn: 50579
2008-05-02 17:12:56 +00:00
Ted Kremenek
63d76df236
Fix copy-paste bug.
...
llvm-svn: 50557
2008-05-01 23:38:35 +00:00
Ted Kremenek
2722f36465
Remove no longer valid assertion.
...
llvm-svn: 50556
2008-05-01 23:28:56 +00:00
Ted Kremenek
1097b4c61f
Added line number diagnostics to indicate the allocation site of the leaked object.
...
llvm-svn: 50553
2008-05-01 23:13:35 +00:00
Ted Kremenek
fabfb4677d
Do not highlight bogus ranges for leaks.
...
llvm-svn: 50549
2008-05-01 22:50:36 +00:00
Steve Naroff
f8ecff2a94
Replace Sema::CheckInitializerListTypes() with a helper class (InitListChecker) that synthesizes implicit InitListExpr's when appropriate (see InitListExpr comments in Expr.h for more details). I also moved the code to SemaInit.cpp, to help reduce clutter in SemaDecl.cpp.
...
NOTE: This work is incomplete and still fails many tests (as a result, it isn't enabled yet). Nevertheless, I wanted to check it in so I can work on it from home.
llvm-svn: 50544
2008-05-01 22:18:59 +00:00
Argyrios Kyrtzidis
2be96ae68b
Convert CRLF to LF.
...
llvm-svn: 50542
2008-05-01 21:44:34 +00:00
Ted Kremenek
8a56b06b5c
Correctly invalidate reference count state when passing objects by reference in message expressions we don't understand.
...
llvm-svn: 50541
2008-05-01 21:31:50 +00:00
Argyrios Kyrtzidis
694dda1e4e
Implicitly defined functions were getting the DeclContext of the function where they appeared, causing the bug: http://llvm.org/bugs/show_bug.cgi?id=2266 .
...
Fix it by making implicitly defined functions get the DeclContext of translation unit.
llvm-svn: 50538
2008-05-01 21:04:16 +00:00
Ted Kremenek
7f824734e0
Added temporary fix for Obj-C exception handling in the static analyzer: treat these as panic functions.
...
llvm-svn: 50535
2008-05-01 18:33:28 +00:00
Ted Kremenek
f0b0f2edfe
Renamed static method.
...
llvm-svn: 50533
2008-05-01 18:31:44 +00:00
Fariborz Jahanian
f303bdabdf
Patch to match and issue diagnostics on property type mismatch.
...
llvm-svn: 50532
2008-05-01 18:05:01 +00:00
Ted Kremenek
b99d01269a
Added __assert_rtn to list of panic functions.
...
llvm-svn: 50530
2008-05-01 17:52:49 +00:00
Ted Kremenek
b8861a6ccf
Use pointer swizziling to unify in ObjCMessageExpr the receiver and classname "fields". This saves us a pointer.
...
Implemented serialization for ObjCMessageExpr.
llvm-svn: 50528
2008-05-01 17:26:20 +00:00
Ted Kremenek
ed36e4b9a4
Added ziperr as a panic function. Eventually inter-procedural analysis
...
should catch this one easily.
llvm-svn: 50526
2008-05-01 15:55:59 +00:00
Ted Kremenek
9f696852c4
When processing "release", "retain", and "autorelease" messages return the
...
lval passed as an argument.
Fix: Inverted diagnostic messages.
llvm-svn: 50513
2008-05-01 04:02:04 +00:00
Ted Kremenek
4828aa3152
Added support for "autorelease" message in CF ref. count checker.
...
llvm-svn: 50512
2008-05-01 02:18:37 +00:00
Steve Naroff
20348b5653
Extend InitListExpr API/IMPL to support arbitrary add/remove (in support of the initializer rewrite I am doing).
...
llvm-svn: 50511
2008-05-01 02:04:18 +00:00
Fariborz Jahanian
7cf18862c2
More ObjC2 property semantics work. Work in progress.
...
llvm-svn: 50508
2008-05-01 00:03:38 +00:00
Ted Kremenek
b0f87c48cb
added preliminary diagnostics in scan-build results to denote whether
...
a CF memory leak occurred with GC enabled, etc.
llvm-svn: 50507
2008-04-30 23:47:44 +00:00
Ted Kremenek
f20e2285c9
More cleanups with ObjCQualifiedIdType in the static analyzer.
...
llvm-svn: 50503
2008-04-30 22:48:21 +00:00
Ted Kremenek
a16dacb6aa
Add placeholder code in the static analyzer for MemberExprs involving struct temporaries.
...
llvm-svn: 50502
2008-04-30 22:17:15 +00:00
Ted Kremenek
ca67cab1e8
Add workaround for __builtin_offsetof in the static analyzer.
...
llvm-svn: 50500
2008-04-30 21:45:55 +00:00
Ted Kremenek
99057462aa
Provide SizeOfAlignTypeExpr workaround in the static analyzer for taking the sizeof of a ObjCInterfaceType.
...
llvm-svn: 50499
2008-04-30 21:31:12 +00:00
Ted Kremenek
e0e8b535cf
Support implicit casts from pointers to references.
...
llvm-svn: 50498
2008-04-30 21:10:19 +00:00
Ted Kremenek
84dea154fc
When creating LVals for array entries, canonicalize entries with a 0 index.
...
llvm-svn: 50497
2008-04-30 21:05:35 +00:00
Ted Kremenek
20d8006e93
Teach more of the static analyzer about ObjCQualifiedIdType.
...
llvm-svn: 50494
2008-04-30 20:17:27 +00:00
Ted Kremenek
0940b99e3b
Teach the static analysis engine about ObjCQualifiedIdType.
...
llvm-svn: 50493
2008-04-30 20:01:29 +00:00
Ted Kremenek
5ce35cc514
Add conjured symbols for decl initializations.
...
Add db_error as panic function.
llvm-svn: 50489
2008-04-30 17:54:04 +00:00
Ted Kremenek
39a736f723
Handle lval::ArrayOffset and lval::FieldOffset in EvalNE and EvalEQ.
...
llvm-svn: 50486
2008-04-30 16:07:22 +00:00
Chris Lattner
dd477ce32b
Verify the whole module after codegen to catch silly IR bugs.
...
llvm-svn: 50485
2008-04-30 16:05:42 +00:00
Chris Lattner
e16406d2b1
fix 'var unused' warning.
...
llvm-svn: 50484
2008-04-30 16:04:01 +00:00
Ted Kremenek
5cc9e60a5f
Invalidate old subexpression bindings when binding UnknownVal.
...
llvm-svn: 50466
2008-04-30 04:23:07 +00:00
Ted Kremenek
9700bd42f0
Simplify RemoveDeadBindings.
...
llvm-svn: 50458
2008-04-29 23:58:03 +00:00
Ted Kremenek
10246e8bfa
Add lval::ArrayOffset, which represent the locations of entries in an array.
...
llvm-svn: 50453
2008-04-29 23:24:44 +00:00
Fariborz Jahanian
2dfcec129f
Default visbility for instance variables is protected.
...
Patch by Emerson Murhpy-Hill.
llvm-svn: 50452
2008-04-29 23:03:51 +00:00
Ted Kremenek
0d2ccffa83
Added lval::FieldOffset, which represents symbolic lvalues for field offsets from other Lvalues.
...
This removes the failure in null-deref-ps.c (test suite).
llvm-svn: 50449
2008-04-29 22:17:41 +00:00
Ted Kremenek
fa5a3d0fe7
Major rewrite/refactoring of static analysis engine. We now use
...
EvalStore/EvalLoad to handle all loads/stores from symbolic memory, allowing us
to do checks for null dereferences, etc., at any arbitrary load/store (these
were missed checks before). This also resulted in some major cleanups, some
conceptual, and others just in the structure of the code.
This temporarily introduces a regression in the test suite (null-deref-ps.c)
before I add a new LVal type for structure fields.
llvm-svn: 50443
2008-04-29 21:04:26 +00:00
Ted Kremenek
a374ea9a35
Update typestate logic to support GC-mode.
...
llvm-svn: 50396
2008-04-29 05:44:10 +00:00
Ted Kremenek
4b7ca776cf
Implement semantics of CFMakeCollectable for the CF-reference count checker.
...
llvm-svn: 50395
2008-04-29 05:33:51 +00:00
Ted Kremenek
4d1f422c6f
Provide the option to run the CF-retain checker in GC enabled mode.
...
The transfer functions for the checker don't do anything special yet in GC mode.
llvm-svn: 50394
2008-04-29 05:13:59 +00:00
Ted Kremenek
d796c18d7b
Add -fobjc-gc and -fobjc-gc-only options to the driver.
...
Add corresponding enum in LangOptions.
llvm-svn: 50387
2008-04-29 04:37:03 +00:00
Ted Kremenek
6065ef6b9b
Bug fix in CFG::getBlockEdgeImpl(): Use a BumpPtrAllocator to allocate
...
std::pair<CFGBlock*, CFGBlock*> that have an 8-byte alignment for use with
ProgramPoint. This fixes a bug reported by Argiris where using std::set<> on
Windows would result in a 4-byte alignment, not an 8-byte alignment.
Fixes: <rdar://problem/5892265>
llvm-svn: 50364
2008-04-28 18:00:46 +00:00
Argyrios Kyrtzidis
8eab584388
Call ExitScope before ActOnFinishNamespaceDef.
...
This is the same for functions and it's preferable to have the namespace as DeclContext during ActOnPopScope.
llvm-svn: 50322
2008-04-27 14:10:57 +00:00
Argyrios Kyrtzidis
081148986a
Parsing of namespaces:
...
-NamespaceDecl for the AST
-Checks for name clashes between namespaces and tag/normal declarations.
This commit doesn't implement proper name lookup for namespaces.
llvm-svn: 50321
2008-04-27 13:50:30 +00:00
Argyrios Kyrtzidis
ed1eec4812
Use PushOnScopeChains to introduce a decl into scope.
...
llvm-svn: 50320
2008-04-27 13:30:35 +00:00
Argyrios Kyrtzidis
fa2d2f2886
Make assertions for all addresses passed to ProgramPoint that they have at least an 8-byte alignment.
...
llvm-svn: 50310
2008-04-26 15:19:51 +00:00
Ted Kremenek
dd38e0bd0d
Fix bug in BugReporter where we didn't handle emitting diagnostics for
...
empty CFGBlocks that only contained a terminator.
Added improved diagnostics for break and continue statements and default branches in switch statements.
This fixes <rdar://problem/5889244>.
llvm-svn: 50286
2008-04-25 19:01:27 +00:00
Chris Lattner
73669defed
remove the 'unused static' diagnostic from codegen. This should be
...
reimplemented in Sema someday. This is tracked in PR2236. Until then
disabling it removes some bogus diagnostics (see 2236).
llvm-svn: 50263
2008-04-25 15:47:13 +00:00
Nuno Lopes
0276933b4b
initial support for recognizing __transparent_union__ attributes
...
comments on the ML will follow
llvm-svn: 50262
2008-04-25 09:32:00 +00:00
Ted Kremenek
99131c9f5a
Handle dereferences of function pointers (which return a handle to the function).
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llvm-svn: 50246
2008-04-25 01:56:50 +00:00
Ted Kremenek
2e5092320e
Don't abort on GetRVal when the LVal is a StringLiteralVal.
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llvm-svn: 50245
2008-04-25 01:45:38 +00:00
Ted Kremenek
4dd412e022
Don't emit empty strings for path diagnostics when taking the default branch of a switch statement that has no label.
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llvm-svn: 50242
2008-04-25 01:29:56 +00:00
Ted Kremenek
ecbdf75049
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.
llvm-svn: 50241
2008-04-25 01:25:15 +00:00
Ted Kremenek
b0daf2f6f5
Add preliminary support for flagging leaks around when they happen (doesn't work yet).
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llvm-svn: 50237
2008-04-24 23:57:27 +00:00
Ted Kremenek
ae8014cb7e
More boilerplate for handling specialized-transfer function logic for dead symbols.
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llvm-svn: 50233
2008-04-24 23:35:58 +00:00
Fariborz Jahanian
0a070ff570
Patch to diagnose inconsistancies between properties declared in current and
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its super class. This patch is incomplete.
llvm-svn: 50228
2008-04-24 19:58:34 +00:00
Ted Kremenek
3812b7676c
Added initial boilerplate in GRExprEngine to allow checker-specific transfer
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function logic to act when symbols become dead.
llvm-svn: 50221
2008-04-24 18:31:42 +00:00
Ted Kremenek
f7141597e8
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.
llvm-svn: 50214
2008-04-24 17:22:33 +00:00
Ted Kremenek
b44485b835
Have ValidateOutputConstraint return false instead of firing an assertion
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when processing a constraint we don't understand. This allows the frontend
to gracefully fail.
llvm-svn: 50213
2008-04-24 16:36:38 +00:00
Ted Kremenek
21bf6006b0
For case statements involving enums, BugReporter now generates PathDiagnostics
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that say that we are jumping to "case a" instead of "case 0".
This is a feature implementation for <rdar://problem/5880430>.
llvm-svn: 50197
2008-04-23 23:35:07 +00:00
Ted Kremenek
05e6267466
Fix minor regression in bug report generation.
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llvm-svn: 50195
2008-04-23 23:04:32 +00:00
Ted Kremenek
f26bc55b9a
When building PathDiagnostics for bug reports, generate a trimmed ExplodedGraph with a single path that BugReport objects can safely walk and introspect.
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llvm-svn: 50194
2008-04-23 23:02:12 +00:00
Ted Kremenek
dd43aeee54
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.
llvm-svn: 50176
2008-04-23 20:12:28 +00:00
Ted Kremenek
467297ab48
TranslationUnit now owns IdentifierTable, TargetInfo, and Selectors objects
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when it is constructed via deserialization. This is done by recording a flag
indicating that this is the case, and it deletes these objects by getting
the references stored in the ASTContext object. This fixes some memory
leaks that occurs when we deserialize translation units from bitcode files.
The rationale between having TranslationUnit sometimes own these objects and
sometimes not is that a TranslationUnit object can be constructed from
state generated by the parser (Preprocessor; semantic analyzer, etc.), and thus
in these cases won't own the IdentifierTable or Selectors, etc. During
deserialization, there is no Preprocessor, so somebody needs to own these
objects in order for them to be properly reclaimed.
llvm-svn: 50149
2008-04-23 16:25:39 +00:00
Ted Kremenek
d2419a0730
Remove false path where the default branch in a switch statement would
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always be taken even if it was not feasible.
llvm-svn: 50132
2008-04-23 05:03:18 +00:00
Chris Lattner
68a27fac9d
fix a rewriter crash on zero length files.
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llvm-svn: 50126
2008-04-23 03:21:50 +00:00
Ted Kremenek
ef9af73887
Added panic function "assfail".
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llvm-svn: 50119
2008-04-23 00:41:25 +00:00
Fariborz Jahanian
6efdf1ddab
Patch to build AST for property implementation declarations and
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to print declaration from its AST.
llvm-svn: 50117
2008-04-23 00:06:01 +00:00
Ted Kremenek
0224ac57e0
For default branches in switch statements with no default label, print out
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the line we are going to.
llvm-svn: 50113
2008-04-22 22:29:46 +00:00
Ted Kremenek
3b42715930
Rewrote VisitDeclStmt to properly handle initializers that can do anything.
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llvm-svn: 50112
2008-04-22 22:25:27 +00:00
Ted Kremenek
c79c0591d6
Added lval type (and tracking) for StringLiterals.
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llvm-svn: 50109
2008-04-22 21:39:21 +00:00
Ted Kremenek
eccf3e5821
Added "nonlval::LValAsInteger" to represent abstract LVals casted to integers, allowing us to track lvals when they are casted back to pointers.
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llvm-svn: 50108
2008-04-22 21:10:18 +00:00
Chris Lattner
bec41348e2
"This patch renames
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DeclContext *CtxDecl -> DeclContext *DeclCtx
DeclContext *CD -> DeclContext *DC
It makes the code more consistent."
Patch by Zhongxing Xu!
llvm-svn: 50105
2008-04-22 18:39:57 +00:00
Ted Kremenek
9718c9e8ee
PathDiagnosticClients now retain ownership of passed PathDiagnostics, requiring
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them to not be stack-allocated.
HTMLDiagnostics now batches PathDiagnostics before emitting HTML in its dtor.
This is a workaround for a problem when we trampled the Preprocessor state
when highlighting macros (sometimes resulting in an assertion failure).
llvm-svn: 50102
2008-04-22 16:15:03 +00:00
Argyrios Kyrtzidis
901a4e406b
Use back() instead of end()-1
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llvm-svn: 50098
2008-04-22 07:37:18 +00:00
Ted Kremenek
80f2c111bd
Added panic function "dtrace_assfail".
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llvm-svn: 50091
2008-04-22 06:09:33 +00:00
Ted Kremenek
a2cca7dbdf
Hardcode "Assert" as a no-return function (panic).
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llvm-svn: 50089
2008-04-22 05:37:33 +00:00
Nate Begeman
2908fa0715
Add some basic ARM asm constraints
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llvm-svn: 50085
2008-04-22 05:03:19 +00:00
Ted Kremenek
da5cdda248
Added null-dereference check for ArraySubscriptExpr.
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llvm-svn: 50083
2008-04-22 04:56:29 +00:00
Fariborz Jahanian
a591a12ea5
Allow property in base class to be implemented in a
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derived class.
llvm-svn: 50074
2008-04-21 23:57:08 +00:00
Ted Kremenek
38213f9573
Added support for detected bad dereferences involving MemberExprs, e.g. x->f where "x" is NULL.
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llvm-svn: 50071
2008-04-21 23:43:38 +00:00
Fariborz Jahanian
c6bec7b6dc
More semantics checks of properties. Property implementation can implicitly use
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ivar of same name.
Better diagnostics to bring home this point.
llvm-svn: 50065
2008-04-21 21:57:36 +00:00
Fariborz Jahanian
f2a7d7c949
Support for @dynamic AST build.
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More property semantics checking.
First test case for ObjC2's property implementation.
llvm-svn: 50057
2008-04-21 21:05:54 +00:00
Chris Lattner
0dcd9aa8fd
Fix pasto, thanks to Anders for pointing this out.
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llvm-svn: 50055
2008-04-21 20:19:54 +00:00
Fariborz Jahanian
a054e99fa8
Continuation of work on ObjC2's properties.
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Added iterators, methods to find property and categories.
Use them in doing semantic analysis on property implementation
declarations. Fixed typos.
llvm-svn: 50050
2008-04-21 19:04:53 +00:00
Chris Lattner
17df24e736
add arm support
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llvm-svn: 50049
2008-04-21 18:56:49 +00:00