Add test

danmar · Feb 9, 2024 · 73e6517 · 73e6517
1 parent 3e67393
commit 73e6517
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Showing 3 changed files with 19 additions and 4 deletions.
diff --git a/lib/symboldatabase.cpp b/lib/symboldatabase.cpp
@@ -738,7 +738,7 @@ void SymbolDatabase::createSymbolDatabaseFindAllScopes()
                     tok = tok->link();
                 }
             } else if (Token::Match(tok, "%name% (")) {
-                if (tok->next() && Token::Match(tok->next()->link(), ") ;")) {
+                if (tok->next() && Token::simpleMatch(tok->next()->link(), ") ;")) {
                     const Token *funcStart = nullptr;
                     const Token *argStart = nullptr;
                     const Token *declEnd = nullptr;
@@ -755,10 +755,11 @@ void SymbolDatabase::createSymbolDatabaseFindAllScopes()
                             // save function prototype in database
                             if (newFunc) {
                                 Function function(tok, scope, funcStart, argStart);
-                                if (function.isExtern())
+                                if (function.isExtern()) {
                                     scope->addFunction(std::move(function));
+                                    tok = declEnd;
+                                }
                             }
-                            tok = declEnd;
                             continue;
                         }
                     }

diff --git a/test/testsymboldatabase.cpp b/test/testsymboldatabase.cpp
@@ -269,6 +269,7 @@ class TestSymbolDatabase : public TestFixture {
         TEST_CASE(memberFunctionOfUnknownClassMacro2);
         TEST_CASE(memberFunctionOfUnknownClassMacro3);
         TEST_CASE(functionLinkage);
+        TEST_CASE(externalFunctionsInsideAFunction); // #12420
 
         TEST_CASE(classWithFriend);
 
@@ -2298,6 +2299,19 @@ class TestSymbolDatabase : public TestFixture {
         ASSERT(f && f->function() && !f->function()->isExtern() && f->function()->retDef->str() == "void");
     }
 
+    void externalFunctionsInsideAFunction() {
+        GET_SYMBOL_DB("void foo( void )\n"
+                      "{\n"
+                      "    extern void bar( void );\n"
+                      "    bar();\n"
+                      "}\n");
+
+        ASSERT(db && errout.str().empty());
+
+        const Token *f = Token::findsimplematch(tokenizer.tokens(), "bar");
+        ASSERT(f && f->function() && f->function()->isExtern() && f->function()->retDef->str() == "void");
+    }
+
     void classWithFriend() {
         GET_SYMBOL_DB("class Foo {}; class Bar1 { friend class Foo; }; class Bar2 { friend Foo; };");
         // 3 scopes: Global, 3 classes

diff --git a/test/testunusedvar.cpp b/test/testunusedvar.cpp
@@ -6957,7 +6957,7 @@ class TestUnusedVar : public TestFixture {
                               "  int x = 0;\n"
                               "  std::for_each(ints.begin(), ints.end(), [&x](int i){ x += i; });\n"
                               "}");
-        ASSERT_EQUALS("[test.cpp:2]: (style) Variable 'x' is assigned a value that is never used.\n", errout.str());
+        TODO_ASSERT_EQUALS("[test.cpp:3]: (style) Variable 'x' is assigned a value that is never used.\n", "", errout.str());
     }
 
     void namespaces() { // #7557