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authorPeter Collingbourne <peter@pcc.me.uk>2011-10-19 00:16:45 +0000
committerPeter Collingbourne <peter@pcc.me.uk>2011-10-19 00:16:45 +0000
commit013e5ce167d72b3617951002f8aea5ff79a37d72 (patch)
tree30c24c2ddfe6c1c146cde0c487ad0671329131c4 /lib/Sema/SemaChecking.cpp
parent77faa365cb2322cfc8edf58a4f5d68f2370cc39a (diff)
Move static array parameter checks to SemaExpr, per Doug's request
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaChecking.cpp')
-rw-r--r--lib/Sema/SemaChecking.cpp61
1 files changed, 0 insertions, 61 deletions
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index fd99528bd6..f080a618b7 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -360,9 +360,6 @@ bool Sema::CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall) {
TheCall->getCallee()->getLocStart());
}
- CheckStaticArrayArguments(FDecl, TheCall->getArgs(),
- TheCall->getCallee()->getLocStart());
-
// Builtin handling
int CMF = -1;
switch (FDecl->getBuiltinID()) {
@@ -1365,64 +1362,6 @@ Sema::CheckNonNullArguments(const NonNullAttr *NonNull,
}
}
-static void DiagnoseCalleeStaticArrayParam(Sema &S, ParmVarDecl *PVD) {
- TypeLoc TL = PVD->getTypeSourceInfo()->getTypeLoc();
- if (ArrayTypeLoc *ATL = dyn_cast<ArrayTypeLoc>(&TL))
- S.Diag(PVD->getLocation(), diag::note_callee_static_array)
- << ATL->getLocalSourceRange();
-}
-
-/// CheckStaticArrayArguments - Check that each argument corresponding to a
-/// static array parameter is non-null, and that if it is formed by
-/// array-to-pointer decay, the underlying array is sufficiently large.
-///
-/// C99 6.7.5.3p7: If the keyword static also appears within the [ and ] of the
-/// array type derivation, then for each call to the function, the value of the
-/// corresponding actual argument shall provide access to the first element of
-/// an array with at least as many elements as specified by the size expression.
-void
-Sema::CheckStaticArrayArguments(const FunctionDecl *FDecl,
- const Expr * const *ExprArgs,
- SourceLocation CallSiteLoc) {
- // Static array parameters are not supported in C++.
- if (getLangOptions().CPlusPlus)
- return;
-
- for (FunctionDecl::param_const_iterator i = FDecl->param_begin(),
- e = FDecl->param_end(); i != e; ++i, ++ExprArgs) {
- const Expr *ArgExpr = *ExprArgs;
- QualType OrigTy = (*i)->getOriginalType();
-
- const ArrayType *AT = Context.getAsArrayType(OrigTy);
- if (!AT || AT->getSizeModifier() != ArrayType::Static)
- continue;
-
- if (ArgExpr->isNullPointerConstant(Context,
- Expr::NPC_NeverValueDependent)) {
- Diag(CallSiteLoc, diag::warn_null_arg) << ArgExpr->getSourceRange();
- DiagnoseCalleeStaticArrayParam(*this, *i);
- continue;
- }
-
- const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT);
- if (!CAT)
- continue;
-
- const ConstantArrayType *ArgCAT =
- Context.getAsConstantArrayType(ArgExpr->IgnoreParenImpCasts()->getType());
- if (!ArgCAT)
- continue;
-
- if (ArgCAT->getSize().ult(CAT->getSize())) {
- Diag(CallSiteLoc, diag::warn_static_array_too_small)
- << ArgExpr->getSourceRange()
- << (unsigned) ArgCAT->getSize().getZExtValue()
- << (unsigned) CAT->getSize().getZExtValue();
- DiagnoseCalleeStaticArrayParam(*this, *i);
- }
- }
-}
-
/// CheckPrintfScanfArguments - Check calls to printf and scanf (and similar
/// functions) for correct use of format strings.
void