Reverted 107b3b44. Write syntax error for 'if MACRO()'. We can't know if MACRO() is supposed to be used in the condition or if it is some annotation that should be removed. Ticket #4171

lib/tokenize.cpp

@@ -1592,22 +1592,8 @@ bool Tokenizer::tokenize(std::istream &code,
                 // 'for each ( )' -> 'for ( )'
                 tok->deleteNext();
             else {
-                // locate the ')' parenthesis (the Token::link is not set yet)
-                // Then replace 'if MACRO(X)' with 'if (MACRO(X))'
-                unsigned int parlevel = 0;
-                for (Token *tok2 = tok; tok2; tok2 = tok2->next()) {
-                    if (tok2->str() == "(")
-                        ++parlevel;
-                    else if (tok2->str() == ")") {
-                        if (parlevel == 1) {
-                            tok->insertToken("(");
-                            tok2->insertToken(")");
-                        }
-                        if (parlevel <= 1)
-                            break;
-                        --parlevel;
-                    }
-                }
+                syntaxError(tok);
+                return false;
             }
         }
     }

test/testtokenize.cpp

@@ -709,10 +709,10 @@ private:
     }
 
     void wrong_syntax_if_macro() {
-        // #2518 and #4171
-        const char code[] = "void f() { if MACRO() { } }";
-        ASSERT_EQUALS("void f ( ) { if ( MACRO ( ) ) { } }", tokenizeAndStringify(code, false));
-        ASSERT_EQUALS("", errout.str());
+        // #2518
+        const std::string code("void f() { if MACRO(); }");
+        tokenizeAndStringify(code.c_str(), false);
+        ASSERT_EQUALS("[test.cpp:1]: (error) syntax error\n", errout.str());
     }
 
     void garbageCode() {