alexey.knyshev created this revision.
alexey.knyshev added a project: clang.
Herald added a subscriber: mgorny.
CallArgsOrderChecker which looks for accidental swap or skip of arguments in
function, methods, constructors and operators calls
Repository:
rC Clang
https://reviews.llvm.org/D41077
Files:
include/clang/StaticAnalyzer/Checkers/Checkers.td
lib/StaticAnalyzer/Checkers/CMakeLists.txt
lib/StaticAnalyzer/Checkers/CallArgsOrderChecker.cpp
test/Analysis/call-args-order.c
test/Analysis/call-args-order.cpp
Index: test/Analysis/call-args-order.cpp
===================================================================
--- test/Analysis/call-args-order.cpp
+++ test/Analysis/call-args-order.cpp
@@ -0,0 +1,103 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core.CallArgsOrder -verify -x c++ %s
+
+typedef unsigned char byte;
+
+class Color {
+ byte r, g, b, a;
+
+public:
+ Color(byte R, byte G, byte B, byte A = 0)
+ : r(R), g(G), b(B), a(A) {}
+
+ void set(byte R, byte G, byte B, byte A = 0) {
+ r = R;
+ g = G;
+ b = B;
+ a = A;
+ }
+
+ void operator()(byte R, byte G, byte B, byte A = 0);
+ void operator+=(byte Delta);
+
+ byte getR() const { return r; }
+ byte getG() const { return g; }
+ byte getB() const { return b; }
+ byte getA() const { return a; }
+
+ static Color copy1(const Color &Color);
+ static Color copy2(const Color &Color);
+ static Color copy3(const Color &Color);
+ static Color copy4(const Color &Color);
+ static Color copy5(const Color &Color);
+ static Color copy6(const Color &Color);
+};
+
+void Color::operator()(byte R, byte G, byte B, byte A) {
+ set(R, B, G, A); // expected-warning {{possibly wrong order of args 'B' and 'G' passed as params 'G' and 'B'}}
+}
+
+void Color::operator+=(byte Delta) {
+ r += Delta;
+ g += Delta;
+ b += Delta;
+ a += Delta;
+}
+
+Color newRed1(byte r, byte b, byte a) {
+ return Color(r, b, a); // expected-warning {{possibly missing arg for param 'G'}}
+}
+
+Color newRed2(byte r, byte g, byte a) {
+ return Color(r, g, a); // expected-warning {{possibly missing arg for param 'B'}}
+}
+
+Color Color::copy1(const Color &o) {
+ return Color(o.r, o.b, o.g, o.a); // expected-warning {{possibly wrong order of args 'o.b' and 'o.g' passed as params 'G' and 'B'}}
+}
+
+Color Color::copy2(const Color &o) {
+ return Color(o.r, o.g, o.a, o.b); // expected-warning {{possibly wrong order of args 'o.a' and 'o.b' passed as params 'B' and 'A'}}
+}
+
+Color Color::copy3(const Color &o) {
+ return Color(o.r, o.g, o.g, o.g); // no-warning
+}
+
+Color Color::copy4(const Color &o) {
+ return Color(o.r, o.r, o.r, o.r); // no-warning
+}
+
+Color Color::copy5(const Color &o) {
+ return Color(o.getR(), o.getB(), o.getG(), o.getA()); // expected-warning {{possibly wrong order of args 'o.getB()' and 'o.getG()' passed as params 'G' and 'B'}}
+}
+
+Color Color::copy6(const Color &o) {
+ // totaly messed up (not sure if it's wrong or not)
+ return Color(o.a, o.r, o.g, o.b); // no-warning
+}
+
+Color newMagicColor() {
+ const byte r = 200;
+ const byte g = 150;
+ const byte b = 100;
+ const byte a = 0;
+
+ return Color(r, b, g, a); // expected-warning {{possibly wrong order of args 'b' and 'g' passed as params 'G' and 'B'}}
+}
+
+void modify(Color &c) {
+ int red = 1;
+ int green = 2;
+ int blue = 3;
+ c.set(red, green, blue); // no-warning
+ c.set(red, blue, green); // expected-warning {{possibly wrong order of args 'blue' and 'green' passed as params 'G' and 'B'}}
+ c.set(red, green, 0); // no-warning
+ c.set(red, green, c.getA()); // no-warning
+
+ c(red, green, blue); // no-warning
+ c(green, red, blue); // expected-warning {{possibly wrong order of args 'green' and 'red' passed as params 'R' and 'G'}}
+
+ c += 1; // no-warning
+
+ c(red, blue, green, 0); // expected-warning {{possibly wrong order of args 'blue' and 'green' passed as params 'G' and 'B'}}
+}
Index: test/Analysis/call-args-order.c
===================================================================
--- test/Analysis/call-args-order.c
+++ test/Analysis/call-args-order.c
@@ -0,0 +1,57 @@
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,alpha.core.CallArgsOrder -verify -std=c99 %s
+
+struct Viewport {
+ int width;
+ int height;
+
+ float aspectRatio;
+};
+
+void setDimentions(struct Viewport *vp, int width, int height) {
+ vp->width = width;
+ vp->height = height;
+ vp->aspectRatio = width / height;
+}
+
+float getWidth(struct Viewport *vp) { return vp->width; }
+float getHeight(struct Viewport *vp) { return vp->height; }
+
+float getFloat() {
+ return 128.5;
+}
+
+int main() {
+ struct Viewport vp;
+
+ int newWidth = 800;
+ int newHeight = 600;
+ setDimentions(&vp, newHeight, newWidth); // expected-warning {{possibly wrong order of args 'newHeight' and 'newWidth' passed as params 'width' and 'height'}}
+ setDimentions(&vp, newWidth, newHeight); // no-warning
+ setDimentions(&vp, newWidth, newWidth); // no-warning
+ setDimentions(&vp, newHeight, newHeight); // no-warning
+ setDimentions(&vp, getFloat(), getFloat()); // no-warning
+
+ int w = 640;
+ int h = 480;
+ setDimentions(&vp, w, h); // no-warning
+ setDimentions(&vp, h, w); // expected-warning {{possibly wrong order of args 'h' and 'w' passed as params 'width' and 'height'}}
+ setDimentions(&vp, w, w); // no-warning
+ setDimentions(&vp, h, h); // no-warning
+
+ int w_big = 1920;
+ int h_big = 1080;
+
+ float w_big_f = 320.0;
+ float h_big_f = 240.0;
+
+ setDimentions(&vp, w_big, h_big); // no-warning
+ setDimentions(&vp, h_big, w_big); // expected-warning {{possibly wrong order of args 'h_big' and 'w_big' passed as params 'width' and 'height'}}
+ setDimentions(&vp, w_big, w_big); // no-warning
+ setDimentions(&vp, h_big, h_big); // no-warning
+
+ setDimentions(&vp, (int)h_big_f, -w_big_f); // expected-warning {{possibly wrong order of args '(int)h_big_f' and '-w_big_f' passed as params 'width' and 'height'}}
+ setDimentions(&vp, (int)h_big_f, h_big_f); // no-warning
+ setDimentions(&vp, -getHeight(&vp), getWidth(&vp)); // expected-warning {{possibly wrong order of args '-getHeight(&vp)' and 'getWidth(&vp)' passed as params 'width' and 'height'}}
+ setDimentions(&vp, -getHeight(&vp), getHeight(&vp)); // no-warning
+ setDimentions(&vp, getHeight(&vp) + 4, getWidth(&vp)); // no-warning
+}
Index: lib/StaticAnalyzer/Checkers/CallArgsOrderChecker.cpp
===================================================================
--- lib/StaticAnalyzer/Checkers/CallArgsOrderChecker.cpp
+++ lib/StaticAnalyzer/Checkers/CallArgsOrderChecker.cpp
@@ -0,0 +1,431 @@
+//= CallArgsOrderChecker.cpp - Check for arguments order in calls -*- C++ -*-=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines CallArgsOrderChecker, which looks for accidental swap or skip
+// of arguments in function, methods, constructors and operators calls.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/ExprCXX.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/Lex/Lexer.h"
+#include "clang/StaticAnalyzer/Core/BugReporter/BugReporter.h"
+#include "clang/StaticAnalyzer/Core/BugReporter/CommonBugCategories.h"
+#include "clang/StaticAnalyzer/Core/Checker.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h"
+
+using namespace clang;
+using namespace ento;
+using namespace ast_matchers;
+
+namespace {
+constexpr unsigned TypicalMaxParamsCount = 4;
+typedef SmallVector<StringRef, TypicalMaxParamsCount> StringRefVec;
+
+class ParamsGroup {
+public:
+ ParamsGroup() : StartIndex(0) { ParamsVec.reserve(4); }
+
+ static StringRefVec trimSame(StringRefVec StrVec);
+ static StringRefVec ltrimSame(StringRefVec StrVec);
+ static StringRefVec rtrimSame(StringRefVec StrVec);
+
+ void fillSimplifiedParamNames() {
+ StringRefVec ParamNames;
+ ParamNames.reserve(ParamsVec.size());
+ for (const Param &P : ParamsVec)
+ ParamNames.push_back(P.Decl->getName());
+
+ if (ParamNames.size() > 1)
+ ParamNames = trimSame(ParamNames);
+
+ for (StringRefVec::size_type i = 0, N = ParamsVec.size(); i < N; i++)
+ ParamsVec[i].SimplifiedName = ParamNames[i];
+ }
+
+ class Param {
+ public:
+ const ParmVarDecl *Decl;
+ StringRef SimplifiedName;
+
+ bool isNamedLike(StringRef Name) const {
+ if (SimplifiedName.size() < Name.size()) {
+ if (Name.startswith_lower(SimplifiedName))
+ return true;
+ } else {
+ if (SimplifiedName.startswith_lower(Name))
+ return true;
+ }
+
+ // We don't like false-positive matches on single-char
+ if (SimplifiedName.size() < 2 || Name.size() < 2)
+ return false;
+
+ if (SimplifiedName.size() < Name.size())
+ return Name.endswith_lower(SimplifiedName);
+ return SimplifiedName.endswith_lower(Name);
+ }
+ };
+
+ unsigned StartIndex;
+ SmallVector<Param, TypicalMaxParamsCount> ParamsVec;
+};
+
+typedef llvm::SmallVector<ParamsGroup, TypicalMaxParamsCount> ParamsGroupVec;
+
+class CallArgsOrderChecker : public Checker<check::ASTCodeBody> {
+ mutable llvm::DenseMap<const FunctionDecl *, ParamsGroupVec> PGLCache;
+
+public:
+ const ParamsGroupVec &getOrBuildParamsGroups(const FunctionDecl *FD) const;
+ void checkASTCodeBody(const Decl *D, AnalysisManager &Mgr,
+ BugReporter &BR) const;
+};
+
+class Callback : public MatchFinder::MatchCallback {
+ const CallArgsOrderChecker *C;
+ BugReporter &BR;
+ SourceManager &SM;
+ AnalysisDeclContext *AC;
+
+ void checkCallExpr(const CallExpr *CE);
+ void checkCXXConstructExpr(const CXXConstructExpr *CE);
+
+ template <typename CallExprT>
+ void checkCall(const FunctionDecl *FD, const CallExprT *CE,
+ unsigned FirstActualArgOffset) const;
+
+public:
+ Callback(const CallArgsOrderChecker *C, BugReporter &BR, SourceManager &SM,
+ AnalysisDeclContext *AC)
+ : C(C), BR(BR), SM(SM), AC(AC) {}
+
+ virtual void run(const MatchFinder::MatchResult &Result) override {
+ if (const CallExpr *CE = Result.Nodes.getNodeAs<CallExpr>("callExpr"))
+ checkCallExpr(CE);
+ if (const CXXConstructExpr *CE =
+ Result.Nodes.getNodeAs<CXXConstructExpr>("cxxConstructExpr"))
+ checkCXXConstructExpr(CE);
+ }
+};
+} // end of anonymous namespace
+
+StringRefVec ParamsGroup::trimSame(StringRefVec StrVec) {
+ return rtrimSame(ltrimSame(StrVec));
+}
+
+StringRefVec ParamsGroup::ltrimSame(StringRefVec StrVec) {
+ if (StrVec.empty())
+ return StrVec;
+
+ auto It = StrVec.begin();
+ const auto End = StrVec.end();
+
+ StringRef SamePrefix = *It;
+ It++;
+
+ for (; It != End; It++) {
+ const StringRef &Str = *It;
+
+ const size_t StrSize = Str.size();
+ size_t SamePrefixSize = SamePrefix.size();
+
+ if (SamePrefixSize > StrSize) {
+ SamePrefix = SamePrefix.drop_back(SamePrefixSize - StrSize);
+ SamePrefixSize = SamePrefix.size();
+ }
+
+ for (size_t i = 0; i < SamePrefixSize; i++) {
+ if (Str[i] != SamePrefix[i]) {
+ SamePrefix = SamePrefix.drop_back(SamePrefixSize - i);
+ break;
+ }
+ }
+
+ // No common prefix found
+ if (SamePrefix.empty())
+ return StrVec;
+ }
+
+ const size_t SamePrefixSize = SamePrefix.size();
+ std::transform(StrVec.begin(), StrVec.end(), StrVec.begin(),
+ [SamePrefixSize](const StringRef &Str) {
+ return Str.drop_front(SamePrefixSize);
+ });
+ return StrVec;
+}
+
+StringRefVec ParamsGroup::rtrimSame(StringRefVec StrVec) {
+ if (StrVec.empty())
+ return StrVec;
+
+ auto It = StrVec.begin();
+ const auto End = StrVec.end();
+
+ StringRef SameSuffix = *It;
+ It++;
+
+ for (; It != End; It++) {
+ const StringRef &Str = *It;
+
+ const size_t StrSize = Str.size();
+ size_t SameSuffixSize = SameSuffix.size();
+
+ if (SameSuffixSize > StrSize) {
+ SameSuffix = SameSuffix.drop_front(SameSuffixSize - StrSize);
+ SameSuffixSize = SameSuffix.size();
+ }
+
+ for (size_t i = StrSize, j = SameSuffixSize; i > 0 && j > 0; i--, j--) {
+ if (Str[i - 1] != SameSuffix[j - 1]) {
+ SameSuffix = SameSuffix.drop_front(j);
+ break;
+ }
+ }
+
+ // No common suffix found
+ if (SameSuffix.empty())
+ return StrVec;
+ }
+
+ const size_t SameSuffixSize = SameSuffix.size();
+ std::transform(StrVec.begin(), StrVec.end(), StrVec.begin(),
+ [SameSuffixSize](const StringRef &Str) {
+ return Str.drop_back(SameSuffixSize);
+ });
+ return StrVec;
+}
+
+// Split function params in groups with same qualified types
+const ParamsGroupVec &
+CallArgsOrderChecker::getOrBuildParamsGroups(const FunctionDecl *FD) const {
+ const auto It = PGLCache.find(FD);
+ if (It != PGLCache.end())
+ return It->second;
+
+ ParamsGroupVec PGL;
+
+ const unsigned NumParams = FD->getNumParams();
+ if (NumParams > 0) {
+ const ParmVarDecl *prevParam = FD->getParamDecl(0);
+ ParamsGroup PG;
+
+ ParamsGroup::Param p;
+ p.Decl = prevParam;
+
+ PG.ParamsVec.push_back(std::move(p));
+
+ PGL.push_back(std::move(PG));
+
+ for (unsigned ParamIndex = 1; ParamIndex < NumParams; ParamIndex++) {
+ const ParmVarDecl *currParam = FD->getParamDecl(ParamIndex);
+
+ QualType prevType = prevParam->getOriginalType().getCanonicalType();
+ QualType currType = currParam->getOriginalType().getCanonicalType();
+
+ ParamsGroup::Param p;
+ p.Decl = currParam;
+
+ if (currType == prevType) {
+ PGL.back().ParamsVec.push_back(std::move(p));
+ } else {
+ ParamsGroup PG;
+ PG.StartIndex = ParamIndex;
+
+ PG.ParamsVec.push_back(std::move(p));
+
+ PGL.push_back(PG);
+ }
+
+ prevParam = currParam;
+ }
+
+ for (ParamsGroup &PG : PGL)
+ PG.fillSimplifiedParamNames();
+ }
+
+ auto InsertRes = PGLCache.insert(std::make_pair(FD, std::move(PGL)));
+ return InsertRes.first->second;
+}
+
+static StringRef getExprName(const Expr *E) {
+ const Expr *OrigE = E->IgnoreParenCasts();
+ if (!OrigE)
+ return StringRef();
+
+ if (const DeclRefExpr *DRE = dyn_cast_or_null<DeclRefExpr>(OrigE))
+ return DRE->getFoundDecl()->getName();
+ else if (const UnaryOperator *UO = dyn_cast_or_null<UnaryOperator>(OrigE))
+ return getExprName(UO->getSubExpr());
+ else if (const CallExpr *CE = dyn_cast_or_null<CallExpr>(OrigE))
+ return getExprName(CE->getCallee());
+ else if (const MemberExpr *ME = dyn_cast_or_null<MemberExpr>(OrigE))
+ return ME->getMemberDecl()->getName();
+
+ return StringRef();
+}
+
+static StringRef getExprString(const Expr *E, SourceManager &SM) {
+ SourceLocation Start(E->getLocStart());
+ SourceLocation End(E->getLocEnd());
+
+ End = Lexer::getLocForEndOfToken(End, 0, SM, LangOptions());
+ const char *Str = SM.getCharacterData(Start);
+ return StringRef(Str, SM.getCharacterData(End) - Str);
+}
+
+template <typename CallExprT>
+static unsigned getDefaultArgsCount(const CallExprT *CE) {
+ const unsigned NumArgs = CE->getNumArgs();
+ for (unsigned ArgIndex = 0; ArgIndex < NumArgs; ArgIndex++)
+ if (isa<CXXDefaultArgExpr>(CE->getArg(ArgIndex)))
+ return NumArgs - ArgIndex;
+ return 0;
+}
+
+void Callback::checkCallExpr(const CallExpr *CE) {
+ unsigned FirstActualArgOffset = 0;
+ if (const CXXOperatorCallExpr *OCE =
+ dyn_cast_or_null<CXXOperatorCallExpr>(CE)) {
+ if (OCE->getOperator() != OO_Call)
+ return;
+
+ // Skipping first implicit object argument
+ FirstActualArgOffset = 1;
+ }
+
+ const FunctionDecl *FD = CE->getDirectCallee();
+ if (!FD)
+ return;
+
+ checkCall(FD, CE, FirstActualArgOffset);
+}
+
+void Callback::checkCXXConstructExpr(const CXXConstructExpr *CE) {
+ const FunctionDecl *FD = CE->getConstructor();
+ if (!FD)
+ return;
+
+ checkCall(FD, CE, /*FirstActualArgOffset=*/0);
+}
+
+template <typename CallExprT>
+void Callback::checkCall(const FunctionDecl *FD, const CallExprT *CE,
+ unsigned FirstActualArgOffset) const {
+ // We are not interested in calls without arguments
+ const unsigned NumArgs = CE->getNumArgs();
+ if (NumArgs <= FirstActualArgOffset)
+ return;
+
+ const unsigned NumParams = FD->getNumParams();
+ // Args order permutation isn't possible if FD has < 2 params
+ if (NumParams <= 1)
+ return;
+
+ const unsigned DefNumArgs = getDefaultArgsCount(CE);
+
+ const ParamsGroupVec &PGV = C->getOrBuildParamsGroups(FD);
+ for (ParamsGroupVec::size_type PGVIndex = 0, PGVSize = PGV.size();
+ PGVIndex < PGVSize; PGVIndex++) {
+ const ParamsGroup &PG = PGV[PGVIndex];
+
+ const unsigned PVSize = PG.ParamsVec.size();
+ if (PVSize < 2)
+ continue;
+
+ StringRefVec SimplifiedArgNames;
+ SimplifiedArgNames.reserve(PVSize);
+ for (unsigned PVIndex = 0; PVIndex < PVSize; PVIndex++) {
+ const unsigned ArgIndex = PG.StartIndex + PVIndex + FirstActualArgOffset;
+ SimplifiedArgNames.push_back(getExprName(CE->getArg(ArgIndex)));
+ }
+
+ SimplifiedArgNames = ParamsGroup::trimSame(SimplifiedArgNames);
+
+ const unsigned InvalidMismatchIndex = ~unsigned(0);
+ unsigned FirstMismatchIndex = InvalidMismatchIndex;
+
+ for (unsigned PVIndex = 0; PVIndex < PVSize - 1; PVIndex++) {
+ const ParamsGroup::Param &CurrParam = PG.ParamsVec[PVIndex];
+ const ParamsGroup::Param &NextParam = PG.ParamsVec[PVIndex + 1];
+
+ StringRef CurrArgExprName = SimplifiedArgNames[PVIndex];
+ StringRef NextArgExprName = SimplifiedArgNames[PVIndex + 1];
+
+ // Skip invalid simplified names
+ if (CurrParam.SimplifiedName.empty() || CurrArgExprName.empty())
+ return;
+
+ // Looks like arg matches param
+ if (CurrParam.isNamedLike(CurrArgExprName))
+ continue;
+
+ const unsigned ArgIndex = PG.StartIndex + PVIndex + FirstActualArgOffset;
+ const Expr *CurrArg = CE->getArg(ArgIndex);
+ const Expr *NextArg = CE->getArg(ArgIndex + 1);
+
+ if (FirstMismatchIndex == InvalidMismatchIndex)
+ FirstMismatchIndex = PG.StartIndex + PVIndex;
+
+ if (NextParam.isNamedLike(CurrArgExprName)) {
+ PathDiagnosticLocation Loc =
+ PathDiagnosticLocation::createBegin(CurrArg, SM, AC);
+
+ SmallString<128> Message;
+ llvm::raw_svector_ostream OS(Message);
+
+ // Looks like arg for CurrParam is missing
+ // and args sequence is shifted towards the left
+ if (DefNumArgs > 0 && PG.StartIndex + PVIndex + 1 == NumParams - 1) {
+ OS << "possibly missing arg for param '"
+ << FD->getParamDecl(FirstMismatchIndex)->getName() << "', arg '"
+ << getExprString(CE->getArg(FirstMismatchIndex), SM)
+ << "' passed instead";
+ BR.EmitBasicReport(AC->getDecl(), C, "Possibly missing argument",
+ categories::LogicError, Message, Loc,
+ CurrArg->getSourceRange());
+ break;
+ // Looks like args are swapped
+ } else if (CurrParam.isNamedLike(NextArgExprName)) {
+ OS << "possibly wrong order of args '" << getExprString(CurrArg, SM)
+ << "' and '" << getExprString(NextArg, SM)
+ << "' passed as params '" << CurrParam.Decl->getName() << "' and '"
+ << NextParam.Decl->getName() << "'";
+ SourceRange Sr[2];
+ Sr[0] = CurrArg->getSourceRange();
+ Sr[1] = NextArg->getSourceRange();
+ BR.EmitBasicReport(AC->getDecl(), C,
+ "Possibly wrong order of arguments",
+ categories::LogicError, Message, Loc, Sr);
+ }
+ }
+ }
+ }
+}
+
+void CallArgsOrderChecker::checkASTCodeBody(const Decl *D, AnalysisManager &Mgr,
+ BugReporter &BR) const {
+ auto CallExpr = stmt(
+ eachOf(forEachDescendant(callExpr().bind("callExpr")),
+ forEachDescendant(cxxConstructExpr().bind("cxxConstructExpr"))));
+
+ MatchFinder F;
+ Callback CB(this, BR, Mgr.getSourceManager(), Mgr.getAnalysisDeclContext(D));
+
+ F.addMatcher(CallExpr, &CB);
+ F.match(*D->getBody(), Mgr.getASTContext());
+}
+
+namespace clang {
+namespace ento {
+void registerCallArgsOrderChecker(CheckerManager &Mgr) {
+ Mgr.registerChecker<CallArgsOrderChecker>();
+}
+} // namespace ento
+} // namespace clang
Index: lib/StaticAnalyzer/Checkers/CMakeLists.txt
===================================================================
--- lib/StaticAnalyzer/Checkers/CMakeLists.txt
+++ lib/StaticAnalyzer/Checkers/CMakeLists.txt
@@ -15,6 +15,7 @@
CStringChecker.cpp
CStringSyntaxChecker.cpp
CallAndMessageChecker.cpp
+ CallArgsOrderChecker.cpp
CastSizeChecker.cpp
CastToStructChecker.cpp
CheckObjCDealloc.cpp
Index: include/clang/StaticAnalyzer/Checkers/Checkers.td
===================================================================
--- include/clang/StaticAnalyzer/Checkers/Checkers.td
+++ include/clang/StaticAnalyzer/Checkers/Checkers.td
@@ -144,6 +144,10 @@
HelpText<"Warn about assigning non-{0,1} values to Boolean variables">,
DescFile<"BoolAssignmentChecker.cpp">;
+def CallArgsOrderChecker : Checker<"CallArgsOrder">,
+ HelpText<"Warn about accidental args swap in various call expressions">,
+ DescFile<"CallArgsOrderChecker.cpp">;
+
def CastSizeChecker : Checker<"CastSize">,
HelpText<"Check when casting a malloc'ed type T, whether the size is a multiple of the size of T">,
DescFile<"CastSizeChecker.cpp">;
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