Follow-up to #13712: Report unknownMacro (danmar#8152)

Co-authored-by: chrchr-github <noreply@github.com>

Author: chrchr-github

lib/tokenize.cpp

@@ -8981,8 +8981,12 @@ void Tokenizer::findGarbageCode() const
             syntaxError(tok->next());
         if (Token::Match(tok, "%name% %op% %name%") && !tok->isKeyword() && tok->next()->isIncDecOp())
             syntaxError(tok->next());
-        if (!tok->isKeyword() && Token::Match(tok, "%name% .|-> %name% %name%") && !tok->tokAt(2)->isKeyword())
-            syntaxError(tok);
+        if (!tok->isKeyword() && Token::Match(tok, "%name% .|-> %name% %name%") && !tok->tokAt(2)->isKeyword()) {
+            if (tok->tokAt(3)->isUpperCaseName())
+                unknownMacroError(tok->tokAt(3));
+            else
+                syntaxError(tok);
+        }
         if (Token::Match(tok, "[!|+-/%^~] )|]"))
             syntaxError(tok);
         if (Token::Match(tok, "==|!=|<=|>= %comp%") && tok->strAt(-1) != "operator")

test/testtokenize.cpp

@@ -7668,6 +7668,11 @@ class TestTokenizer : public TestFixture {
                                                    "}"),
                               SYNTAX);
 
+        ASSERT_THROW_INTERNAL(tokenizeAndStringify("void f(T* p) {\n"
+                                                   "    g(p->x TSRMLS_CC);"
+                                                   "}"),
+                              UNKNOWN_MACRO);
+
         ASSERT_NO_THROW(tokenizeAndStringify("S* g = ::new(ptr) S();")); // #12552
         ASSERT_NO_THROW(tokenizeAndStringify("void f(int* p) { return ::delete p; }"));