C++: Mark FPs that are hard to solve w/o source code

Author: d10c

cpp/ql/test/query-tests/Best Practices/Likely Errors/CommaBeforeMisleadingIndentation/test.cpp

@@ -88,25 +88,25 @@ int test(int i, int j, int (*foo)(int), int (*bar)(int, int))
 
     // Mixed tabs and spaces (ugly case):
 
-    for (i = 0,         // GOOD if tab >= 4 spaces else BAD
+    for (i = 0,         // GOOD if tab >= 4 spaces else BAD -- can't exclude w/o source code text :/
 		 j = 0;
 		 i + j < 10;
-         i++,           // GOOD if tab >= 4 spaces else BAD
+         i++,           // GOOD if tab >= 4 spaces else BAD -- can't exclude w/o source code text :/
 		 j++);
 
 	if (i)
-	    (void)i,	    // GOOD if tab >= 4 spaces else BAD
+	    (void)i,	    // GOOD if tab >= 4 spaces else BAD -- can't exclude w/o source code text :/
 		(void)j;
 
 	// One char difference (common but borderline):
 
-	for (i = 0,         // GOOD? [FALSE POSITIVE]
+	for (i = 0,         // GOOD? [FALSE POSITIVE] -- can't exclude w/o source code text :/
 	    j = 1;
 		i + j < 10;
 		i++, j++);
 
 	for (i = 0,
-         j = 1; i < 10; i += 2, // GOOD? [FALSE POSITIVE]
+         j = 1; i < 10; i += 2, // GOOD? [FALSE POSITIVE] -- can't exclude w/o source code text :/
         j++) {}
 
 	// LHS ends on same line RHS begins on:
@@ -119,7 +119,7 @@ int test(int i, int j, int (*foo)(int), int (*bar)(int, int))
 
 	if (foo(j))
 		return i++
-			, i++ // GOOD(?) [FALSE POSITIVE]
+			, i++ // GOOD(?) [FALSE POSITIVE] -- can't exclude w/o source code text :/
 			? 1
 			: 2;