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2008-11-18- Add 'CurPPLexer' to Preprocessor to keep track of the currentTed Kremenek
PreprocessorLexer, which will either be a 'Lexer' or 'PTHLexer'. - Added stub field 'CurPTHLexer' to keep track of the current PTHLexer. - Modified IncludeStackInfo to track both the current PTHLexer and current PreprocessorLexer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59472 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Implement effects of 'mutable', and a few comments from Chris on its parsing.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59470 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Eliminate all of the placeholder identifiers used for constructors,Douglas Gregor
destructors, and conversion functions. The placeholders were used to work around the fact that the parser and some of Sema really wanted declarators to have simple identifiers; now, the code that deals with declarators will use DeclarationNames. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59469 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Fold assertion into second valid else branch. This removes a compiler warningTed Kremenek
where the control reaches the end of a non-void function and also allows the compiler to generate better code. When this assertion is false we can easily add more else cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59468 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Fix <rdar://problem/6333904> [sema] message lookup on super is incorrectSteve Naroff
Missing special lookup rule in Sema::ActOnInstanceMessage(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59467 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Updated IdentifierResolver to deal with DeclarationNames. The names ofDouglas Gregor
C++ constructors, destructors, and conversion functions now have a FETokenInfo field that IdentifierResolver can access, so that these special names are handled just like ordinary identifiers. A few other Sema routines now use DeclarationNames instead of IdentifierInfo*'s. To validate this design, this code also implements parsing and semantic analysis for id-expressions that name conversion functions, e.g., return operator bool(); The new parser action ActOnConversionFunctionExpr takes the result of parsing "operator type-id" and turning it into an expression, using the IdentifierResolver with the DeclarationName of the conversion function. ActOnDeclarator pushes those conversion function names into scope so that the IdentifierResolver can find them, of course. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59462 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Implement rdar://6319320: give a good diagnostic for cases where peopleChris Lattner
are trying to use the old GCC "casts as lvalue" extension. We don't and will hopefully never support this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59460 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Fix <rdar://problem/6316324> [sema] spurious warning on comparison of ↵Steve Naroff
qualified id. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59459 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Fix <rdar://problem/6320086> parser rejects block capturing ivar.Steve Naroff
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59444 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Some cleanups for C++ operator overloadingDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59443 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Simplify error messages for two-parameter overloaded increment/decrement ↵Douglas Gregor
operators git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59442 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17Introduction the DeclarationName class, as a single, general method ofDouglas Gregor
representing the names of declarations in the C family of languages. DeclarationName is used in NamedDecl to store the name of the declaration (naturally), and ObjCMethodDecl is now a NamedDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59441 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17A few corrections to the expr constant work. Not enabled at the Eli Friedman
moment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59435 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-17More expr constant work. (Off by default).Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59433 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Address some comments Eli had.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59430 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16use HandleConversionToBool() to check if a given cond is foldable (per Eli's ↵Nuno Lopes
comment) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59429 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16More complex float evaluator support.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59428 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16rename Expr::tryEvaluate to Expr::Evaluate.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59426 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Add very limited support for evaluating complex floats.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59425 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Trivial tidyingChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59424 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16fix folding of comma if given a non-constant operand.Nuno Lopes
Eli please take a look, as I'm not sure if this gets the extension warning in the right place git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59422 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16make IntExprEvaluator fold the ?: operatorNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59421 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16More work on the constant evaluator. Eli, it would be great if you could ↵Anders Carlsson
have a look at this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59420 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Fix PR3077: tokens that come from macro expansions whose macro wasChris Lattner
defined in a system header should be treated as system header tokens even if they are instantiated in a different place. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59418 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16add dump and print methods, add operator<< for APValue.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59411 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Add the ability to evaluate comparison operators with floating point numbers ↵Anders Carlsson
as operands. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59408 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Enhance modularization: return a <state,loc> pair to let GRExprEngine modify theZhongxing Xu
environment. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59407 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16More constant expr work.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59405 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16daniel prefers completed thoughts.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59404 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16Enhances SCA to process untyped region to typed region conversion.Zhongxing Xu
- RegionView and RegionViewMap is introduced to assist back-mapping from super region to subregions. - GDM is used to carry RegionView information. - AnonTypedRegion is added to represent a typed region introduced by pointer casting. Later AnonTypedRegion can be used in other similar cases, e.g., malloc()'ed region. - The specific conversion is delegated to store manager. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59382 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Start implementing support for @synchonized with the darwin ObjC API.Chris Lattner
Patch by Fariborz! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59377 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Check in code that uses tryEvaluate for emitting constant exprs (not used yet).Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59375 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Handle padding in the constant CFString struct. Fixes PR3046.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59372 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Use IgnoreParenCasts. No functionality change.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59371 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Use the allocator of ExplodedGraph. The whole static analysis module uses it.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59359 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Fix silly bug spotted by Daniel DunbarAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59358 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Improve zero value generation.Zhongxing Xu
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59356 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Reduce permissiveness of assertion.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59354 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Reverted part of r59335: ↵Ted Kremenek
http://lists.cs.uiuc.edu/pipermail/cfe-commits/Week-of-Mon-20081110/009243.html In that patch I added a bogus type promotion for unary '!'. The real bug was more fallout from edges cases with compound assignments and conjured symbolic values. Now the conjured value has the type of the LHS expression, and we do a promotion to the computation type. We also now correctly do a conversion from the computation type back to the LHS type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Re-enable an assertion that I mistakenly removed.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59348 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Handle complex return values.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59345 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Use the correct QualType when creating the '0' constant.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59343 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Implement FIXME in GRExprEngine::VisitUnaryOperator() to handle implicit ↵Ted Kremenek
conversions caused by the '!' operator. This required adding some logic to GRSimpleVals to reason about nonloc::LocAsInteger SVals. This code appears to work fine, but it should eventually be cleaned up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59335 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-15Flush llvm::errs() when printing out SVals.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59334 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Implement parsing and semantic checking of the 'mutable' keyword.Sebastian Redl
Thanks to Doug for the review. Actual effects of mutable to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59331 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Use ReadPtr, not ReadUIntPtr through a reinterpret_cast.Argyrios Kyrtzidis
Thanks to Sebastian for the suggestion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59330 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Minor tweaks to liveness analysis:Ted Kremenek
- Block-expression for 'ObjCForCollectionStmt' is not alive before it occurs - Recursively visit 'element' expression for ObjCForCollectionStmt to get liveness for referenced block-level expressions and variables. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59316 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Second attempt at implementation transfer function support for ↵Ted Kremenek
ObjCForCollectionStmt. We now assume that the 'element' expression can be any lvalue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59313 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Flow-sensitive uninitialized values analysis: properly handle the 'element' ↵Ted Kremenek
expression of ObjCForCollectionStmt (can be anything). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59312 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Add a new expression node, CXXOperatorCallExpr, which expresses aDouglas Gregor
function call created in response to the use of operator syntax that resolves to an overloaded operator in C++, e.g., "str1 + str2" that resolves to std::operator+(str1, str2)". We now build a CXXOperatorCallExpr in C++ when we pick an overloaded operator. (But only for binary operators, where we actually implement overloading) I decided *not* to refactor the current CallExpr to make it abstract (with FunctionCallExpr and CXXOperatorCallExpr as derived classes). Doing so would allow us to make CXXOperatorCallExpr a little bit smaller, at the cost of making the argument and callee accessors virtual. We won't know if this is going to be a win until we can parse lots of C++ code to determine how much memory we'll save by making this change vs. the performance penalty due to the extra virtual calls. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59306 91177308-0d34-0410-b5e6-96231b3b80d8
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