[clang-tools-extra] r284332 - [clang-tidy] Use ignoreImplicit in cert-err58-cpp check

Malcolm Parsons via cfe-commits cfe-commits at lists.llvm.org
Sun Oct 16 02:47:10 PDT 2016


Author: malcolm.parsons
Date: Sun Oct 16 04:47:10 2016
New Revision: 284332

URL: http://llvm.org/viewvc/llvm-project?rev=284332&view=rev
Log:
[clang-tidy] Use ignoreImplicit in cert-err58-cpp check

Summary:
Fix a false negative in cert-err58-cpp check when calling a constructor
creates objects that require cleanup.

Reviewers: aaron.ballman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D25642

Modified:
    clang-tools-extra/trunk/clang-tidy/cert/StaticObjectExceptionCheck.cpp
    clang-tools-extra/trunk/test/clang-tidy/cert-static-object-exception.cpp

Modified: clang-tools-extra/trunk/clang-tidy/cert/StaticObjectExceptionCheck.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-tidy/cert/StaticObjectExceptionCheck.cpp?rev=284332&r1=284331&r2=284332&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-tidy/cert/StaticObjectExceptionCheck.cpp (original)
+++ clang-tools-extra/trunk/clang-tidy/cert/StaticObjectExceptionCheck.cpp Sun Oct 16 04:47:10 2016
@@ -27,8 +27,8 @@ void StaticObjectExceptionCheck::registe
   Finder->addMatcher(
       varDecl(anyOf(hasThreadStorageDuration(), hasStaticStorageDuration()),
               unless(hasAncestor(functionDecl())),
-              hasInitializer(cxxConstructExpr(hasDeclaration(
-                  cxxConstructorDecl(unless(isNoThrow())).bind("ctor")))))
+              hasInitializer(ignoringImplicit(cxxConstructExpr(hasDeclaration(
+                  cxxConstructorDecl(unless(isNoThrow())).bind("ctor"))))))
           .bind("var"),
       this);
 }

Modified: clang-tools-extra/trunk/test/clang-tidy/cert-static-object-exception.cpp
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/clang-tidy/cert-static-object-exception.cpp?rev=284332&r1=284331&r2=284332&view=diff
==============================================================================
--- clang-tools-extra/trunk/test/clang-tidy/cert-static-object-exception.cpp (original)
+++ clang-tools-extra/trunk/test/clang-tidy/cert-static-object-exception.cpp Sun Oct 16 04:47:10 2016
@@ -16,6 +16,15 @@ struct V {
   explicit V(const char *) {} // Can throw
 };
 
+struct Cleanup
+{
+  ~Cleanup() {}
+};
+
+struct W {
+  W(Cleanup c = {}) noexcept(false);
+};
+
 
 S s;
 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: construction of 's' with static storage duration may throw an exception that cannot be caught [cert-err58-cpp]
@@ -27,6 +36,9 @@ U u;
 V v("v");
 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: construction of 'v' with static storage duration may throw an exception that cannot be caught
 // CHECK-MESSAGES: 16:12: note: possibly throwing constructor declared here
+W w;
+// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: construction of 'w' with static storage duration may throw an exception that cannot be caught
+// CHECK-MESSAGES: 25:3: note: possibly throwing constructor declared here
 
 thread_local S s3;
 // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 's3' with thread_local storage duration may throw an exception that cannot be caught
@@ -35,22 +47,27 @@ thread_local U u3;
 // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 'u3' with thread_local storage duration may throw an exception that cannot be caught
 thread_local V v3("v");
 // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 'v3' with thread_local storage duration may throw an exception that cannot be caught
+thread_local W w3;
+// CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 'w3' with thread_local storage duration may throw an exception that cannot be caught
 
-void f(S s1, T t1, U u1, V v1) { // ok, ok, ok, ok
+void f(S s1, T t1, U u1, V v1, W w1) { // ok, ok, ok, ok, ok
   S s2; // ok
   T t2; // ok
   U u2; // ok
   V v2("v"); // ok
+  W w2; // ok
 
   thread_local S s3; // ok
   thread_local T t3; // ok
   thread_local U u3; // ok
   thread_local V v3("v"); // ok
+  thread_local W w3; // ok
 
   static S s4; // ok
   static T t4; // ok
   static U u4; // ok
   static V v4("v"); // ok
+  static W w4; // ok
 }
 
 namespace {
@@ -64,6 +81,9 @@ U u;
 V v("v");
 // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: construction of 'v' with static storage duration may throw an exception that cannot be caught
 // CHECK-MESSAGES: 16:12: note: possibly throwing constructor declared here
+W w;
+// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: construction of 'w' with static storage duration may throw an exception that cannot be caught
+// CHECK-MESSAGES: 25:3: note: possibly throwing constructor declared here
 
 thread_local S s3;
 // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 's3' with thread_local storage duration may throw an exception that cannot be caught
@@ -72,6 +92,8 @@ thread_local U u3;
 // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 'u3' with thread_local storage duration may throw an exception that cannot be caught
 thread_local V v3("v");
 // CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 'v3' with thread_local storage duration may throw an exception that cannot be caught
+thread_local W w3;
+// CHECK-MESSAGES: :[[@LINE-1]]:16: warning: construction of 'w3' with thread_local storage duration may throw an exception that cannot be caught
 };
 
 class Statics {
@@ -85,22 +107,28 @@ class Statics {
   static V v;
   // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: construction of 'v' with static storage duration may throw an exception that cannot be caught
   // CHECK-MESSAGES: 16:12: note: possibly throwing constructor declared here
+  static W w;
+  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: construction of 'w' with static storage duration may throw an exception that cannot be caught
+  // CHECK-MESSAGES: 25:3: note: possibly throwing constructor declared here
 
   void f(S s, T t, U u, V v) {
     S s2;      // ok
     T t2;      // ok
     U u2;      // ok
     V v2("v"); // ok
+    W w2;      // ok
 
     thread_local S s3;      // ok
     thread_local T t3;      // ok
     thread_local U u3;      // ok
     thread_local V v3("v"); // ok
+    thread_local W w3;      // ok
 
     static S s4;      // ok
     static T t4;      // ok
     static U u4;      // ok
     static V v4("v"); // ok
+    static W w4;      // ok
   }
 };
 
@@ -114,3 +142,6 @@ U Statics::u;
 V Statics::v("v");
 // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: construction of 'v' with static storage duration may throw an exception that cannot be caught
 // CHECK-MESSAGES: 16:12: note: possibly throwing constructor declared here
+W Statics::w;
+// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: construction of 'w' with static storage duration may throw an exception that cannot be caught
+// CHECK-MESSAGES: 25:3: note: possibly throwing constructor declared here




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