diff options
Diffstat (limited to 'lib/StaticAnalyzer/README.txt')
| -rw-r--r-- | lib/StaticAnalyzer/README.txt | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/StaticAnalyzer/README.txt b/lib/StaticAnalyzer/README.txt index d4310c57d8..79a16ec767 100644 --- a/lib/StaticAnalyzer/README.txt +++ b/lib/StaticAnalyzer/README.txt @@ -69,23 +69,23 @@ triggered the problem. = Notes about C++ = -Since now constructors are seen before the variable that is constructed -in the CFG, we create a temporary object as the destination region that +Since now constructors are seen before the variable that is constructed +in the CFG, we create a temporary object as the destination region that is constructed into. See ExprEngine::VisitCXXConstructExpr(). In ExprEngine::processCallExit(), we always bind the object region to the evaluated CXXConstructExpr. Then in VisitDeclStmt(), we compute the corresponding lazy compound value if the variable is not a reference, and bind the variable region to the lazy compound value. If the variable -is a reference, just use the object region as the initilizer value. +is a reference, just use the object region as the initializer value. Before entering a C++ method (or ctor/dtor), the 'this' region is bound -to the object region. In ctors, we synthesize 'this' region with +to the object region. In ctors, we synthesize 'this' region with CXXRecordDecl*, which means we do not use type qualifiers. In methods, we -synthesize 'this' region with CXXMethodDecl*, which has getThisType() +synthesize 'this' region with CXXMethodDecl*, which has getThisType() taking type qualifiers into account. It does not matter we use qualified 'this' region in one method and unqualified 'this' region in another -method, because we only need to ensure the 'this' region is consistent +method, because we only need to ensure the 'this' region is consistent when we synthesize it and create it directly from CXXThisExpr in a single method call. |