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2008-04-24More boilerplate for handling specialized-transfer function logic for dead ↵Ted Kremenek
symbols. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50233 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24Patch to diagnose inconsistancies between properties declared in current andFariborz Jahanian
its super class. This patch is incomplete. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50228 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24Added initial boilerplate in GRExprEngine to allow checker-specific transferTed Kremenek
function logic to act when symbols become dead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50221 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23When building PathDiagnostics for bug reports, generate a trimmed ↵Ted Kremenek
ExplodedGraph with a single path that BugReport objects can safely walk and introspect. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50194 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Fixed: <rdar://problem/5881148>Ted Kremenek
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
2008-04-23TranslationUnit now owns IdentifierTable, TargetInfo, and Selectors objectsTed Kremenek
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. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50149 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23fix a rewriter crash on zero length files.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50126 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Patch to build AST for property implementation declarations andFariborz Jahanian
to print declaration from its AST. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50117 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22Rewrote VisitDeclStmt to properly handle initializers that can do anything.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50112 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22Added lval type (and tracking) for StringLiterals.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50109 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22Added "nonlval::LValAsInteger" to represent abstract LVals casted to ↵Ted Kremenek
integers, allowing us to track lvals when they are casted back to pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50108 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22"This patch renames Chris Lattner
DeclContext *CtxDecl -> DeclContext *DeclCtx DeclContext *CD -> DeclContext *DC It makes the code more consistent." Patch by Zhongxing Xu! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50105 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22PathDiagnosticClients now retain ownership of passed PathDiagnostics, requiringTed Kremenek
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). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50102 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-22Add VisitArraySubscriptExpr.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50090 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-21Added support for detected bad dereferences involving MemberExprs, e.g. x->f ↵Ted Kremenek
where "x" is NULL. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50071 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-21More semantics checks of properties. Property implementation can implicitly useFariborz Jahanian
ivar of same name. Better diagnostics to bring home this point. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50065 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-21Support for @dynamic AST build.Fariborz Jahanian
More property semantics checking. First test case for ObjC2's property implementation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50057 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-21Continuation of work on ObjC2's properties.Fariborz Jahanian
Added iterators, methods to find property and categories. Use them in doing semantic analysis on property implementation declarations. Fixed typos. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50050 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-21Clean up handling of function redeclarationsDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50021 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-20Only generate code for static functions and global variables that are ↵Nate Begeman
actually used. Warn about unused static functions and variables. This fixes PR1998. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49987 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-20html::EscapeText (using the Rewriter) now replaces tabs by default.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49982 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-19simplify ownership of the predefines buffer.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49973 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18OCUVector -> ExtVector, shorthand for extended vector, per feedback from Chris.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49942 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Generalize caching mechanism for bugs reports. Now individual BugTypesTed Kremenek
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
2008-04-18Fixed more caching bugs related to the one fixed in r49914. SilenceTed Kremenek
compiler warning introduced by a recent patch of mine. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49917 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Fixed elusive caching bug that led to false positives.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49914 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Added "GetErrorNodes()" to BugType so that -trim-egraph can recognize errorsTed Kremenek
from registered BugTypes. This helps with debugging. Add detection of NULL values in ref count checker; this suppresses false positives. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49912 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Added "EvalAssume" virtual method to GRTransferFuncs; this is for evaluatingTed Kremenek
the checker-specific logic of symbolic assumptions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49910 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Allow targets to override double size, alignment, and semantics, and tie thisNate Begeman
information into the IR type codegen. This allows a target to codegen the C 'double' type as either double or float. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49898 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Provide a version of html::HighlightMacros that takes a Preprocessor&.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49896 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Several Expr subclasses did not mark "getSourceRange()" virtual. Fixed.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49890 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18BugReport::VisitNode now takes BugReporter& instead of ASTContext&.Ted Kremenek
Shuffled around code in CFRefCount to better pair classes with implementation, and started adding subclasses of RangedBugReport to handle better diagnostics for reference count bugs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49889 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Simplified internal logic of BugReporter, consolidating EmitWarning andTed Kremenek
EmitPathWarning into one method. We now properly handle emitting warnings without a PathDiagnosticClient when the warning does not involve a particular statement. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49884 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Initial work for property implementation declarations.Fariborz Jahanian
Mostly semantic checking in this patch. This is on going and incomplete. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49882 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Modified BugReport::getEndPath() to handle the case where end path is atTed Kremenek
the exit block of the CFG. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49880 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17class Preprocessor: Now owns the "predefines" char*; it deletes [] it in its ↵Ted Kremenek
dstor. clang.cpp: InitializePreprocessor now makes a copy of the contents of PredefinesBuffer and passes it to the preprocessor object. clang.cpp: DriverPreprocessorFactory now calls "InitializePreprocessor" instead of this being done in main(). html::HighlightMacros() now takes a PreprocessorFactory, allowing it to conjure up a new Preprocessor to highlight macros. class HTMLDiagnostics now takes a PreprocessorFactory* that it can use for html::HighlightMacros(). Updated clients of HTMLDiagnostics to use this new interface. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49875 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Added "PreprocessorFactory", an interface for lazily creating Preprocessor ↵Ted Kremenek
objects on-demand. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49868 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Added property decl support for protocols.Fariborz Jahanian
Added assertion if unexpected property decls are found where they don't belong. Consolidated property decl. printing by using a helper function. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49862 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Addition of TranslationUnitDecl to the AST:Argyrios Kyrtzidis
-Added TranslationUnitDecl class to serve as top declaration context -ASTContext gets a TUDecl member and a getTranslationUnitDecl() function -All ScopedDecls get the TUDecl as DeclContext when declared at global scope git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49855 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Make HighlightRange correctly handle multi-line ranges. This causes us to Chris Lattner
correctly handle multi-line comments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49827 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Handle ReturnStmts by dispatching to "EvalReturn" in the transfer function ↵Ted Kremenek
object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49826 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16add a new HighlightRange API, it doesn't handle multiline rangesChris Lattner
yet, but it will soon... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49825 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16New AST class for property implementation declarations.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49821 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Added CFGBlock::getTerminatorCondition() to get the Expr* of the condition a ↵Ted Kremenek
block's terminator. Refactored LiveVariables to use getTerminatorCondition() in VisitTerminator(). Bug fix: CFG now computes Block-level expression numbers using information from block terminators. This fixes <rdar://problem/5868189>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49818 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16This patch adds support for declaraing properties in categories,Fariborz Jahanian
just as they are declared in objc classes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49817 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16reenable highlighting of (the first line of) commentsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49816 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Small tweaks to EvalStore: pass an "RVal" instead of "LVal" for the TargetLV toTed Kremenek
represent possible stores to "Unknown." git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49811 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Hook up "EvalStore" from GRTransferFuncs to GRExprEngine.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49804 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Take first step to migrating handling of "stores" to values from GRExprEngineTed Kremenek
to the plug-in GRTransferFuncs object. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49801 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16split syntax highlighting of macros from keywords and comments,Chris Lattner
allowing us to use a cheaper means to highlight keywords and making it so that comments won't foul up macro expansions. Start highlighting macro expansions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49779 91177308-0d34-0410-b5e6-96231b3b80d8
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