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path: root/lib/Analysis/BugReporter.cpp
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2009-05-16Fix another bug in BugReporter where we wouldn't always select the bug ↵Ted Kremenek
report in a bug equivalence class with the shortest path. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15BugReporter (extensive diagnostics): Do not include the range of target '}'Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71832 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-15BugReporter (extensive diagnostics): Add control-flow piece to '}' inTed Kremenek
loop body when generating 'Looping back to the head of the loop' diagnostics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71829 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-11BugReport::getEndPath() - Only add a Stmt's range to the constructed ↵Ted Kremenek
PathDiagnosticEventPiece if the BugReport contained no explicit ranges. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71516 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-11EdgeBuilder: DeclStmts and BinaryOperators are not the enclosing location ↵Ted Kremenek
context when they are used as initialization code for loops. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71480 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-11EdgeBuilder::cleanUpLocation() should used the PathDiagnosticLocation ↵Ted Kremenek
constructor for a single point, not a range. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71477 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-11BugReporter (extensive diagnostics): Add EdgeBuilder::cleanUpLocation for ↵Ted Kremenek
canonicalization locations and use this in both popLocation and rawAddEdge. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71470 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-10analyzer:Ted Kremenek
- Improve -autorelease diagnostics. - Improve VLA diagnostics. - Use "short description" for bug when outputting to TextDiagnostics git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71383 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-07Add preliminary support for enhancing null-pointer dereference diagnostics.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-06Refactor BugReporter interface to have a new 'BugReporterContext' andTed Kremenek
'BugReporterVisitor'. This simplifies callbacks from BugReporter to BugReports (via VisitNode). It also lays the foundation for arbitrary visitor "call backs" that can be registered to a BugReporterContext as a PathDiagnostic is constructed. These call backs can help operate as separate "experts" that can work on constructed pieces of a PathDiagnostic for which they possess special knowledge. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71121 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05BugReporter (extensive diagnostics): improve location context generation for theTed Kremenek
start of 'do' and '@synchronized' statements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71038 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-05BugReporter (extensive diagnostics): Fix getEnclosingStmtLocation to reasonTed Kremenek
about Exprs that are not consumed and fix where the loop iteration diagnostic goes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71027 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-04BugReporter (extensive diagnostics): don't mark location contexts that areTed Kremenek
control-flow expressions as dead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70887 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01BugReporter (extensive diagnostics): introduce the notion of a "dead"Ted Kremenek
location context. This allows us to postpone the decision of whether or not a context should add a control-flow piece to the diagnostics when inspecting its subexpressions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70545 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-01Remove #if 0'ed code.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70542 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Fix null dereference.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70417 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29BugReporter/PathDiagnostics:Ted Kremenek
- Add an (optional) short description for BugReports for clients that want to distinguish between long and short descriptions for bugs - Make the bug report for VLA less obscene for Plist diagnostics by using the short description git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70415 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28Extensive diagnostics: Do not add a location context for do...while statements.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-28BugReporter (extensive diagnostics): Clean up do...while control-flow edges, andTed Kremenek
add "Looping back to the head of the loop" diagnostic for loops. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Implement function-try-blocks. However, there's a very subtle bug that I ↵Sebastian Redl
can't track down. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70155 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26Minor code cleanup.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70144 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-26split ObjC and C++ Statements out into their own headers.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70105 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23BugReporter (extensive diagnostics): Recursively adjust the referred expressionTed Kremenek
when popping location contexts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69898 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-23BugReporter (extensive diagnostics): Ignore parentheses when added control-flowTed Kremenek
pieces for location contexts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22BugReporter (extensive diagnostics): Use correct location for location contexts.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22BugReporter (extensive diagnostics): always add an edge if there is no locationTed Kremenek
context. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69823 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22BugReporter (extensive diagnostics):Ted Kremenek
- Remove stale assertion that was breaking the test suite. - When popping location contexts, only add a control-flow piece for fileID locations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-22BugReporter (extensive diagnostic algorithm): The initial control-flow edge nowTed Kremenek
starts from the first character of the first statement. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69813 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-18FunctionDecl::getBody() is getting an ASTContext argument for use inDouglas Gregor
lazy PCH deserialization. Propagate that argument wherever it needs to be. No functionality change, except that I've tightened up a few PCH tests in preparation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69406 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-07Removed some commented code.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-07PathDiagnostic generation: experiment with avoiding generation of control-flowTed Kremenek
pieces between block entrance and block end unless necessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68483 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-07Don't overguard to adding a control-flow piece when "alwaysAdd" is true.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68476 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-06Rewrite control-flow diagnostic generation "extensive" algorithm using "edgeTed Kremenek
contexts". This allows us to use a stack of contexts to keep track of what control-flow pieces to include when exiting blocks like 'if', 'for', etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68473 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-02Add another null pointer check. Simplify condition.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68283 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-02Add null pointer check.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01BugReporter, extensive path-diagnostics: add an extra control-flow edge to theTed Kremenek
enclosing statement when jumping to a subexpression. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68244 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01Fix comment.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68236 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01BugReporter: for extensive path diagnostics:Ted Kremenek
- When processing BlockEdges with terminators, using the condition as the control-flow point for terminators that are expressions (e.g., '&&', '?') - When processing events, allow intra-compound statement "jumping" git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68228 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01BugReporter: for extensive PathDiagnostic generation, add control-flow from theTed Kremenek
start of the function/method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68217 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01BugReporter: For the "extensive" PathDiagnostic generation algorithm, elide mostTed Kremenek
intra-compound statement jumps unless they are between terminators (i.e., branches). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-01- Changed PathDiagnosticPiece::getLocation() to return a PathDiagnosticLocationTed Kremenek
instead of a FullSourceLoc. This resulted in a bunch of small edits in various clients. - Updated BugReporter to include an alternate PathDiagnostic generation algorithm for PathDiagnosticClients desiring more control-flow pieces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31More code reshuffling. No functionality change.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68157 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-31Allow two codepaths for PathDiagnostic generation. This patch mainly consists ofTed Kremenek
refactoring to make this possible (no functionality change). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68141 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-30Simplify more code by using SVal::getAsSymbol().Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68052 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-30Convert use of loc::SymbolVal and nonloc::SymbolVal to V.getAsSymbol(). ThisTed Kremenek
also makes this code more correct as it transparently handles SVals that wrapped TypedViewRegions(SymbolicRegions). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68048 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-28Adjust control-flow endpoints for '&&' and '||'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-28Text PathDiagnosticBuilder::getEnclosingStmt() about '?'Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67909 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-28Teach PathDiagnosticBuilder::getEnclosingStmtLocation() about while/if/do/for,Ted Kremenek
etc., so that the "body" is always considered a top-level statement for edge transitions (even if it is an expression). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-27BugReporter: For control-flow edges from 'if', 'for', 'do', 'while' toTed Kremenek
successor, using 'getEnclosingStmt()' to have the end location be the top-level Stmt* enclosing the target Expr*. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67869 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-27BugReporter: PathDiagnosticBuilder::ExecutionContinues now returns aTed Kremenek
PathDiagnosticLocation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67866 91177308-0d34-0410-b5e6-96231b3b80d8
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