summaryrefslogtreecommitdiff
path: root/include/clang/Analysis/PathSensitive/Checkers
diff options
context:
space:
mode:
authorRoman Divacky <rdivacky@FreeBSD.org>2009-11-04 15:04:32 +0000
committerRoman Divacky <rdivacky@FreeBSD.org>2009-11-04 15:04:32 +0000
commit51fb8b013e7734b795139f49d3b1f77c539be20a (patch)
tree59e0e47a9831dcf0e21e547927c8ebb7e113bfd1 /include/clang/Analysis/PathSensitive/Checkers
parent73490b890977362d28dd6326843a1ecae413921d (diff)
Diffstat (limited to 'include/clang/Analysis/PathSensitive/Checkers')
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/AttrNonNullChecker.h28
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/BadCallChecker.h30
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/DereferenceChecker.h53
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/DivZeroChecker.h28
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/UndefinedArgChecker.h34
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/UndefinedAssignmentChecker.h32
-rw-r--r--include/clang/Analysis/PathSensitive/Checkers/VLASizeChecker.h39
7 files changed, 244 insertions, 0 deletions
diff --git a/include/clang/Analysis/PathSensitive/Checkers/AttrNonNullChecker.h b/include/clang/Analysis/PathSensitive/Checkers/AttrNonNullChecker.h
new file mode 100644
index 0000000000000..007ec093b2e0a
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/AttrNonNullChecker.h
@@ -0,0 +1,28 @@
+//===--- AttrNonNullChecker.h - Undefined arguments checker ----*- C++ -*--===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines AttrNonNullChecker, a builtin check in GRExprEngine that
+// performs checks for arguments declared to have nonnull attribute.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
+
+namespace clang {
+
+class AttrNonNullChecker : public CheckerVisitor<AttrNonNullChecker> {
+ BugType *BT;
+
+public:
+ AttrNonNullChecker() : BT(0) {}
+ static void *getTag();
+ void PreVisitCallExpr(CheckerContext &C, const CallExpr *CE);
+};
+
+}
diff --git a/include/clang/Analysis/PathSensitive/Checkers/BadCallChecker.h b/include/clang/Analysis/PathSensitive/Checkers/BadCallChecker.h
new file mode 100644
index 0000000000000..70f3c44165e02
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/BadCallChecker.h
@@ -0,0 +1,30 @@
+//===--- BadCallChecker.h - Bad call checker --------------------*- C++ -*--==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines BadCallChecker, a builtin check in GRExprEngine that performs
+// checks for bad callee at call sites.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
+
+namespace clang {
+
+class BadCallChecker : public CheckerVisitor<BadCallChecker> {
+ BuiltinBug *BT;
+
+public:
+ BadCallChecker() : BT(0) {}
+
+ static void *getTag();
+
+ void PreVisitCallExpr(CheckerContext &C, const CallExpr *CE);
+};
+
+}
diff --git a/include/clang/Analysis/PathSensitive/Checkers/DereferenceChecker.h b/include/clang/Analysis/PathSensitive/Checkers/DereferenceChecker.h
new file mode 100644
index 0000000000000..688cf641491d0
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/DereferenceChecker.h
@@ -0,0 +1,53 @@
+//== NullDerefChecker.h - Null dereference checker --------------*- C++ -*--==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines NullDerefChecker and UndefDerefChecker, two builtin checks
+// in GRExprEngine that check for null and undefined pointers at loads
+// and stores.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_DEREFCHECKER
+#define LLVM_CLANG_DEREFCHECKER
+
+#include "clang/Analysis/PathSensitive/Checker.h"
+#include "clang/Analysis/PathSensitive/BugType.h"
+
+namespace clang {
+
+class ExplodedNode;
+
+class NullDerefChecker : public Checker {
+ BuiltinBug *BT;
+ llvm::SmallVector<ExplodedNode*, 2> ImplicitNullDerefNodes;
+
+public:
+ NullDerefChecker() : BT(0) {}
+ ExplodedNode *CheckLocation(const Stmt *S, ExplodedNode *Pred,
+ const GRState *state, SVal V,GRExprEngine &Eng);
+
+ static void *getTag();
+ typedef llvm::SmallVectorImpl<ExplodedNode*>::iterator iterator;
+ iterator implicit_nodes_begin() { return ImplicitNullDerefNodes.begin(); }
+ iterator implicit_nodes_end() { return ImplicitNullDerefNodes.end(); }
+};
+
+class UndefDerefChecker : public Checker {
+ BuiltinBug *BT;
+public:
+ UndefDerefChecker() : BT(0) {}
+
+ ExplodedNode *CheckLocation(const Stmt *S, ExplodedNode *Pred,
+ const GRState *state, SVal V, GRExprEngine &Eng);
+
+ static void *getTag();
+};
+
+} // end clang namespace
+#endif
diff --git a/include/clang/Analysis/PathSensitive/Checkers/DivZeroChecker.h b/include/clang/Analysis/PathSensitive/Checkers/DivZeroChecker.h
new file mode 100644
index 0000000000000..317e43a0e62ef
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/DivZeroChecker.h
@@ -0,0 +1,28 @@
+//== DivZeroChecker.h - Division by zero checker ----------------*- C++ -*--==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines DivZeroChecker, a builtin check in GRExprEngine that performs
+// checks for division by zeros.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
+
+namespace clang {
+
+class DivZeroChecker : public CheckerVisitor<DivZeroChecker> {
+ BuiltinBug *BT;
+public:
+ DivZeroChecker() : BT(0) {}
+
+ static void *getTag();
+ void PreVisitBinaryOperator(CheckerContext &C, const BinaryOperator *B);
+};
+
+}
diff --git a/include/clang/Analysis/PathSensitive/Checkers/UndefinedArgChecker.h b/include/clang/Analysis/PathSensitive/Checkers/UndefinedArgChecker.h
new file mode 100644
index 0000000000000..7f4e7d524f6cd
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/UndefinedArgChecker.h
@@ -0,0 +1,34 @@
+//===--- UndefinedArgChecker.h - Undefined arguments checker ----*- C++ -*--==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines BadCallChecker, a builtin check in GRExprEngine that performs
+// checks for undefined arguments.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_UNDEFARGCHECKER
+#define LLVM_CLANG_UNDEFARGCHECKER
+
+#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
+
+namespace clang {
+
+class UndefinedArgChecker : public CheckerVisitor<UndefinedArgChecker> {
+ BugType *BT;
+
+public:
+ UndefinedArgChecker() : BT(0) {}
+
+ static void *getTag();
+
+ void PreVisitCallExpr(CheckerContext &C, const CallExpr *CE);
+};
+
+}
+#endif
diff --git a/include/clang/Analysis/PathSensitive/Checkers/UndefinedAssignmentChecker.h b/include/clang/Analysis/PathSensitive/Checkers/UndefinedAssignmentChecker.h
new file mode 100644
index 0000000000000..7fee5011c46de
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/UndefinedAssignmentChecker.h
@@ -0,0 +1,32 @@
+//===--- UndefinedAssignmentChecker.h ---------------------------*- C++ -*--==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines UndefinedAssginmentChecker, a builtin check in GRExprEngine that
+// checks for assigning undefined values.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_UNDEFASSIGNMENTCHECKER
+#define LLVM_CLANG_UNDEFASSIGNMENTCHECKER
+
+#include "clang/Analysis/PathSensitive/CheckerVisitor.h"
+
+namespace clang {
+class UndefinedAssignmentChecker
+ : public CheckerVisitor<UndefinedAssignmentChecker> {
+ BugType *BT;
+public:
+ UndefinedAssignmentChecker() : BT(0) {}
+ static void *getTag();
+ virtual void PreVisitBind(CheckerContext &C, const Stmt *S, SVal location,
+ SVal val);
+};
+}
+#endif
+
diff --git a/include/clang/Analysis/PathSensitive/Checkers/VLASizeChecker.h b/include/clang/Analysis/PathSensitive/Checkers/VLASizeChecker.h
new file mode 100644
index 0000000000000..b339b3d301417
--- /dev/null
+++ b/include/clang/Analysis/PathSensitive/Checkers/VLASizeChecker.h
@@ -0,0 +1,39 @@
+//=== VLASizeChecker.h - Undefined dereference checker ----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines two VLASizeCheckers, a builtin check in GRExprEngine that
+// performs checks for declaration of VLA of undefined or zero size.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Analysis/PathSensitive/Checker.h"
+
+namespace clang {
+
+class UndefSizedVLAChecker : public Checker {
+ BugType *BT;
+
+public:
+ UndefSizedVLAChecker() : BT(0) {}
+ static void *getTag();
+ ExplodedNode *CheckType(QualType T, ExplodedNode *Pred,
+ const GRState *state, Stmt *S, GRExprEngine &Eng);
+};
+
+class ZeroSizedVLAChecker : public Checker {
+ BugType *BT;
+
+public:
+ ZeroSizedVLAChecker() : BT(0) {}
+ static void *getTag();
+ ExplodedNode *CheckType(QualType T, ExplodedNode *Pred,
+ const GRState *state, Stmt *S, GRExprEngine &Eng);
+};
+
+}