Fix checkLibraryFunction warning when deriving from std::vector (danmar#6071)

chrchr-github · web-flow · commit e156fbf971a2 · 2024-02-29T23:31:53.000+01:00
Inspired by danmar#4834
diff --git a/lib/library.cpp b/lib/library.cpp
@@ -972,6 +972,8 @@ std::string Library::getFunctionName(const Token *ftok, bool &error) const
         return "";
     }
     if (ftok->isName()) {
+        if (Token::simpleMatch(ftok->astParent(), "::"))
+            return ftok->str();
         for (const Scope *scope = ftok->scope(); scope; scope = scope->nestedIn) {
             if (!scope->isClassOrStruct())
                 continue;
diff --git a/test/testfunctions.cpp b/test/testfunctions.cpp
@@ -2046,6 +2046,12 @@ class TestFunctions : public TestFixture {
               "    return ::std::string(c);\n"
               "}\n", "test.cpp", &s);
         ASSERT_EQUALS("", errout.str());
+
+        check("template <typename T>\n"
+              "struct S : public std::vector<T> {\n"
+              "    void resize(size_t n) { std::vector<T>::resize(n); }\n"
+              "};\n", "test.cpp", &s);
+        ASSERT_EQUALS("", errout.str());
     }
 
     void checkUseStandardLibrary1() {

Original file line number	Diff line number	Diff line change
`@@ -972,6 +972,8 @@ std::string Library::getFunctionName(const Token *ftok, bool &error) const`
`972`	`972`	`return "";`
`973`	`973`	`}`
`974`	`974`	`if (ftok->isName()) {`
	`975`	`+ if (Token::simpleMatch(ftok->astParent(), "::"))`
	`976`	`+ return ftok->str();`
`975`	`977`	`for (const Scope *scope = ftok->scope(); scope; scope = scope->nestedIn) {`
`976`	`978`	`if (!scope->isClassOrStruct())`
`977`	`979`	`continue;`