CheckInternal: Check that emplace is not used

lib/checkinternal.cpp

@@ -347,6 +347,19 @@ void CheckInternal::checkExtraWhitespace()
     }
 }
 
+void CheckInternal::checkStlUsage()
+{
+    const SymbolDatabase *symbolDatabase = _tokenizer->getSymbolDatabase();
+    for (const Scope *scope : symbolDatabase->functionScopes) {
+        for (const Token* tok = scope->classStart->next(); tok != scope->classEnd; tok = tok->next()) {
+            if (Token::simpleMatch(tok, ". emplace ("))
+                reportError(tok, Severity::error, "internalStlUsage", "The 'emplace' function shall be avoided for now. 'emplace_back' is fine");
+            //if (Token::simpleMatch(tok, ". back ( )") && tok->astOperand1() && tok->astOperand1()->valueType() && tok->astOperand1()->valueType()->container && Token::simpleMatch(tok->astOperand1()->valueType()->container, "std :: string"))
+            //  reportError(tok, Severity::error, "internalStlUsage", "The 'std::string::back()' function shall be avoided for now.");
+        }
+    }
+}
+
 void CheckInternal::multiComparePatternError(const Token* tok, const std::string& pattern, const std::string &funcname)
 {
     reportError(tok, Severity::error, "multiComparePatternError",

lib/checkinternal.h

@@ -57,6 +57,7 @@ public:
         checkInternal.checkRedundantNextPrevious();
         checkInternal.checkExtraWhitespace();
         checkInternal.checkRedundantTokCheck();
+        checkInternal.checkStlUsage();
     }
 
     /** @brief %Check if a simple pattern is used inside Token::Match or Token::findmatch */
@@ -79,6 +80,9 @@ public:
 
     /** @brief %Check if there is a redundant check for none-nullness of parameter before Match functions, such as (tok && Token::Match(tok, "foo")) */
     void checkRedundantTokCheck();
+
+    /** @brief Try to avoid some new functions that are not fully supported in Linux */
+    void checkStlUsage();
 private:
     void multiComparePatternError(const Token *tok, const std::string &pattern, const std::string &funcname);
     void simplePatternError(const Token *tok, const std::string &pattern, const std::string &funcname);