[analyzer][PlistMacroExpansion] Part 3.: Macro arguments are expanded

[Szelethus]

Summary

This part focuses on expanding macro arguments. Unfortunately, I didn't find too many nice ways to do this, but hey, what can you expect from macros :(

[Szelethus]

Rebased to part 2.

I looked hard at this patch -- it is somewhat ridiculous that there's no builtin function for this -- but no matter how hard I try to look for something, I can't seem to find it.

I say this because I am aware that this patch isn't very nice to look at, but at least it works.

[george.karpenkov]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

730

Please don't do this, inheritance from standard containers is a bad thing (tm)

[Szelethus]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

730

Actually, I disagree with you on this one. For ease of use, these constructs are used all over the place in the LLVM codebase, and since I never do anything inheritance related, this shouldn't hurt much.

https://clang.llvm.org/doxygen/classclang_1_1ento_1_1PathPieces.html
http://llvm.org/doxygen/classllvm_1_1PredicateBitsetImpl.html
http://llvm.org/doxygen/classllvm_1_1HexagonBlockRanges_1_1RangeList.html

These are just a few.

Do you insist?

[Szelethus]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

730

I mean, polymorphism, not inheritance.

[NoQ]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

730

Dunno why exactly, but George really hates these :)

To me it's a reasonable thing to use in a tiny utility class - as opposed to re-implementing all vector methods in a composition every time you need just one extra method.

It should also be possible to avoid this by sacrificing object-oriented-ness by turning the newly added method into a standalone function, i.e.:

using MacroArgMap = std::map<const IdentifierInfo *, ExpArgTokens>;
void expandFromPrevMacro(MacroArgMap &This, const MacroArgMap &Super);

Which also seems almost free.

831

Not sure, would it make sense to take an rvalue reference instead of moving? Same for MacroName. Should be cheaper than moving.

934

Typo: Parentheses (i think.)

1023–1024

I think it's the first time in my life when i see a loop that (correctly) mutates the container :)

[xazax.hun]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

738

I wonder if the optional gives us any value here. An empty map could be just as great to represent that there are no arguments.

[Szelethus]

Addressing review comments!

[Szelethus]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

730

I personally very much prefer the current state :/ It is locally defined on a bottom of a file, I think I'll commit as is.

1023–1024

Yay ^-^

[xazax.hun]

I would love to see a test with deeper macro in macro expansion and larger number of arguments, with some of the arguments unused. Some minor nits inline, otherwise looks good.

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

831

IS there any value of having Args here instead of Info.Args? I would just remove the Args reference here.

857

Maybe instead of mutating PrevArgs above, we could keep PrevArgs argument to point to the previous arguments and pass the address of Info.Args here? Do we need the null pointer semantics? Expanding macros from an empty map should be noop. Maybe we could eliminate some branches this way.

982

Is the misspelling already committed? If not, better fix it in the other revision to keep this smaller. Otherwise, it is fine.

1018

Maybe a for loop mor natural here?

[whisperity]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

1018

I asked this one already in the earlier (non-split) diff and the reason for the while is that there are a lot of conditional moves, advancements and even an erase call in the loop body.

[Szelethus]

Unfortunately, I found yet another corner case I didn't cover: if the macro arguments themselves are macros. I already fixed it, but it raises the question that what other things I may have missed? I genuinely dislike this project, and I fear that I can't test this enough to be be 100% it does it's job perfectly. Heck, I'm a little unsure whether it wouldn't ever cause a crash. This is unnerving to put it lightly, but doing changes within Preprocessor is most definitely out of my reach.

Maybe it'd be worth to caution the users of this feature that it's experimental, but then again, it will always be, as long as there's no out-of-the-box solution from Preprocessor.

[Szelethus]

• Added more documentation
• Changed the nullpointer semantics as @xazax.hun pointed out
• Realize that macro arguments themselves can be macros, handle them too.
• Add a bunch more test. The above point actually fixed a wrong macro expansion is CALL_LAMBDA that somehow didn't get noticed. Gotta pay more attention when making the test files.

[Szelethus]

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

982

Unfortunately the previous parts of this project are already commited :/

[Szelethus]

Ping, @xazax.hun, any objections?

[xazax.hun]

Some minor comment inline. Otherwise looks good.

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

868

Maybe you could use find method to avoid repeated lookups? (you have 3 identical lookups in the map at the moment).

875

This II shadows the II in the outer scope. Maybe it would be better to give names correspond to the named notion, like ArgII to avoid confusion.

lib/StaticAnalyzer/Core/PlistDiagnostics.cpp

 }
 
 //===----------------------------------------------------------------------===//
 // Declarations of helper functions and data structures for expanding macros.
 //===----------------------------------------------------------------------===//
 
 namespace {
 
-struct MacroNameAndInfo {
+using ExpArgTokens = llvm::SmallVector<Token, 2>;
+
+/// Maps unexpanded macro arguments to expanded arguments. A macro argument may
+/// need to expanded further when it is nested inside another macro.
+class MacroArgMap : public std::map<const IdentifierInfo *, ExpArgTokens> {
+public:
+  void expandFromPrevMacro(const MacroArgMap &Super);
+};
+
+struct MacroNameAndArgs {
   std::string Name;
   const MacroInfo *MI = nullptr;
+  MacroArgMap Args;
 
-  MacroNameAndInfo(std::string N, const MacroInfo *MI)
-    : Name(std::move(N)), MI(MI) {}
+  MacroNameAndArgs(std::string N, const MacroInfo *MI, MacroArgMap M)
+    : Name(std::move(N)), MI(MI), Args(std::move(M)) {}
 };
 
 /// Helper class for printing tokens.
 class TokenPrinter {
   llvm::raw_ostream &OS;
   const Preprocessor &PP;
 
   Token PrevTok, PrevPrevTok;
   TokenConcatenation ConcatInfo;
 
 public:
   TokenPrinter(llvm::raw_ostream &OS, const Preprocessor &PP)
     : OS(OS), PP(PP), ConcatInfo(PP) {
     PrevTok.setKind(tok::unknown);
     PrevPrevTok.setKind(tok::unknown);
   }
 
   void printToken(const Token &Tok);
 };
 
 } // end of anonymous namespace
 
 static std::string getMacroNameAndPrintExpansion(TokenPrinter &Printer,
                                                  SourceLocation MacroLoc,
-                                                 const Preprocessor &PP);
+                                                 const Preprocessor &PP,
+                                                 MacroArgMap *PrevArgs);
 
-/// Retrieves the name of the macro and its MacroInfo.
-static MacroNameAndInfo getMacroNameAndInfo(SourceLocation ExpanLoc,
+/// Retrieves the name of the macro and what it's arguments expand into
+/// at \p ExpanLoc.
+///
+/// For example, for the following macro expansion:
+///
+///   #define SET_TO_NULL(x) x = 0
+///   #define NOT_SUSPICIOUS(a) \
+///     {                       \
+///       int b = 0;            \
+///     }                       \
+///     SET_TO_NULL(a)
+///
+///   int *ptr = new int(4);
+///   NOT_SUSPICIOUS(&ptr);
+///   *ptr = 5;
+///
+/// When \p ExpanLoc references the last line, the macro name "NOT_SUSPICIOUS"
+/// and the MacroArgMap map { (a, &ptr) } will be returned.
+///
+/// When \p ExpanLoc references "SET_TO_NULL(a)" within the definition of
+/// "NOT_SUSPICOUS", the macro name "SET_TO_NULL" and the MacroArgMap map
+/// { (x, a) } will be returned.
+static MacroNameAndArgs getMacroNameAndArgs(SourceLocation ExpanLoc,
                                             const Preprocessor &PP);
 
 /// Retrieves the ')' token that matches '(' \p It points to.
 static MacroInfo::tokens_iterator getMatchingRParen(
     MacroInfo::tokens_iterator It,
     MacroInfo::tokens_iterator End);
 
 /// Retrieves the macro info for \p II refers to at \p Loc. This is important
 /// because macros can be redefined or undefined.
 static const MacroInfo *getMacroInfoForLocation(const Preprocessor &PP,
                                                 const SourceManager &SM,
                                                 const IdentifierInfo *II,
                                                 SourceLocation Loc);
 
 //===----------------------------------------------------------------------===//
 // Definitions of helper functions and methods for expanding macros.
 //===----------------------------------------------------------------------===//
 
 static ExpansionInfo getExpandedMacro(SourceLocation MacroLoc,
                                       const Preprocessor &PP) {
 
   llvm::SmallString<200> ExpansionBuf;
   llvm::raw_svector_ostream OS(ExpansionBuf);
   TokenPrinter Printer(OS, PP);
-  std::string MacroName = getMacroNameAndPrintExpansion(Printer, MacroLoc, PP);
+  std::string MacroName = getMacroNameAndPrintExpansion(Printer, MacroLoc, PP,
+                                         /* PrevArgs */ nullptr);
   return { MacroName, OS.str() };
 }
 
 static std::string getMacroNameAndPrintExpansion(TokenPrinter &Printer,
-                                                 SourceLocation MacroLoc,
-                                                 const Preprocessor &PP) {
+                                        const Preprocessor &PP,
+                                        MacroArgMap *PrevArgs) {
 
   const SourceManager &SM = PP.getSourceManager();
 
-  MacroNameAndInfo Info = getMacroNameAndInfo(SM.getExpansionLoc(MacroLoc), PP);
+  MacroNameAndArgs Info = getMacroNameAndArgs(SM.getExpansionLoc(MacroLoc), PP);
+
   const MacroInfo *MI = Info.MI;
+  MacroArgMap Args = std::move(Info.Args);
+
+  // If this macro is nested inside another one, let's manually expand its
+  // arguments from the previous macro.
+  if (PrevArgs)
+    Args.expandFromPrevMacro(*PrevArgs);
+  PrevArgs = &Args;
 
   // Iterate over the macro's tokens and stringify them.
   for (auto It = MI->tokens_begin(), E = MI->tokens_end(); It != E; ++It) {
     Token T = *It;
 
     // If this token is not an identifier, we only need to print it.
     if (T.isNot(tok::identifier)) {
       Printer.printToken(T);
       continue;
     }
 
     const auto *II = T.getIdentifierInfo();
     assert(II &&
           "This token is an identifier but has no IdentifierInfo!");
 
     // If this token is a macro that should be expanded inside the currect
     // macro.
     if (const MacroInfo *MI =
                          getMacroInfoForLocation(PP, SM, II, T.getLocation())) {
-      getMacroNameAndPrintExpansion(Printer, T.getLocation(), PP);
+      getMacroNameAndPrintExpansion(Printer, T.getLocation(), PP, PrevArgs);
 
       // If this is a function-like macro, skip its arguments, as
       // getExpandedMacro() already printed them. If this is the case, let's
       // first jumo to the '(' token.
       if (MI->getNumParams() != 0)
         It = getMatchingRParen(++It, E);
       continue;
     }
 
-    // If control reached here, then this token isn't a macro identifier, print
-    // it.
+    // If this token is the current macro's argument, we should expand it.
+    if (Args.count(II)) {
+      for (const Token &ExpandedArgT : Args.at(II)) {
+        Printer.printToken(ExpandedArgT);
+      }
+      continue;
+    }
+
+    // TODO: Handle tok::hash and tok::hashhash.
+
+    // If control reached here, then this token isn't a macro identifier, nor an
+    // unexpanded macro argument that we need to handle, print it.
     Printer.printToken(T);
   }
 
   return Info.Name;
 }
 
-static MacroNameAndInfo getMacroNameAndInfo(SourceLocation ExpanLoc,
+static MacroNameAndArgs getMacroNameAndArgs(SourceLocation ExpanLoc,
                                             const Preprocessor &PP) {
 
   const SourceManager &SM = PP.getSourceManager();
   const LangOptions &LangOpts = PP.getLangOpts();
 
   // First, we create a Lexer to lex *at the expansion location* the tokens
   // referring to the macro's name and its arguments.
   std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(ExpanLoc);
static MacroNameAndArgs getMacroNameAndArgs(SourceLocation ExpanLoc,
   std::string MacroName = PP.getSpelling(TheTok);
 
   const auto *II = PP.getIdentifierInfo(MacroName);
   assert(II && "Failed to acquire the IndetifierInfo for the macro!");
 
   const MacroInfo *MI = getMacroInfoForLocation(PP, SM, II, ExpanLoc);
   assert(MI && "The macro must've been defined at it's expansion location!");
 
-  return { MacroName, MI };
+  // Acquire the macro's arguments.
+  //
+  // The rough idea here is to lex from the first left parantheses to the last
+  // right parantheses, and map the macro's unexpanded arguments to what they
+  // will be expanded to. An expanded macro argument may contain several tokens
+  // (like '3 + 4'), so we'll lex until we find a tok::comma or tok::r_paren, at
+  // which point we start lexing the next argument or finish.
+  ArrayRef<const IdentifierInfo *> MacroArgs = MI->params();
+  if (MacroArgs.empty())
+    return { MacroName, MI, {} };
+
+  RawLexer.LexFromRawLexer(TheTok);
+  assert(TheTok.is(tok::l_paren) &&
+         "The token after the macro's identifier token should be '('!");
+
+  MacroArgMap Args;
+
+  // When the macro's argument is a function call, like
+  //   CALL_FN(someFunctionName(param1, param2))
+  // we will find tok::l_paren, tok::r_paren, and tok::comma that do not divide
+  // actual macro arguments, or do not represent the macro argument's closing
+  // parantheses, so we'll count how many parantheses aren't closed yet.
+  int ParenthesesDepth = 1;
+
+  for (const IdentifierInfo *UnexpArgII : MacroArgs) {
+    MacroArgMap::mapped_type ExpandedArgTokens;
+
+    // Lex the first token of the next macro parameter.
+    RawLexer.LexFromRawLexer(TheTok);
+
+    while (TheTok.isNot(tok::comma) || ParenthesesDepth != 1) {
+      assert(TheTok.isNot(tok::eof) &&
+             "EOF encountered while looking for expanded macro args!");
+
+      if (TheTok.is(tok::l_paren))
+        ++ParenthesesDepth;
+
+      if (TheTok.is(tok::r_paren))
+        --ParenthesesDepth;
+
+      if (ParenthesesDepth == 0)
+        break;
+
+      if (TheTok.is(tok::raw_identifier))
+        PP.LookUpIdentifierInfo(TheTok);
+
+      ExpandedArgTokens.push_back(TheTok);
+      RawLexer.LexFromRawLexer(TheTok);
+    }
+
+    Args.emplace(UnexpArgII, std::move(ExpandedArgTokens));
+  }
+
+  // TODO: The condition really should be TheTok.is(tok::r_paren), but variadic
+  // macro arguments are not handled yet.
+  assert(TheTok.isOneOf(tok::r_paren, tok::comma) &&
+         "Expanded macro argument acquisition failed! After the end of the loop"
+         " this token should be ')'!");
+
+  return { MacroName, MI, Args };
 }
 
 static MacroInfo::tokens_iterator getMatchingRParen(
     MacroInfo::tokens_iterator It,
     MacroInfo::tokens_iterator End) {
 
   assert(It->is(tok::l_paren) && "This token should be '('!");
 
   // Skip until we find the closing ')'.
-  int ParanthesesDepth = 1;
-  while (ParanthesesDepth != 0) {
+  int ParenthesesDepth = 1;
+  while (ParenthesesDepth != 0) {
     ++It;
 
     assert(It->isNot(tok::eof) &&
            "Encountered EOF while attempting to skip macro arguments!");
     assert(It != End &&
            "End of the macro definition reached before finding ')'!");
 
     if (It->is(tok::l_paren))
-      ++ParanthesesDepth;
+      ++ParenthesesDepth;
 
     if (It->is(tok::r_paren))
-      --ParanthesesDepth;
+      --ParenthesesDepth;
   }
   return It;
 }
 
 static const MacroInfo *getMacroInfoForLocation(const Preprocessor &PP,
                                                 const SourceManager &SM,
                                                 const IdentifierInfo *II,
                                                 SourceLocation Loc) {
 
   const MacroDirective *MD = PP.getLocalMacroDirectiveHistory(II);
   if (!MD)
     return nullptr;
 
   return MD->findDirectiveAtLoc(Loc, SM).getMacroInfo();
 }
 
+void MacroArgMap::expandFromPrevMacro(const MacroArgMap &Super) {
+
+  for (value_type &Pair : *this) {
+    ExpArgTokens &CurrExpArgTokens = Pair.second;
+
+    // For each token in the expanded macro argument.
+    auto It = CurrExpArgTokens.begin();
+    while (It != CurrExpArgTokens.end()) {
+      if (It->isNot(tok::identifier)) {
+        ++It;
+        continue;
+      }
+
+      const auto *II = It->getIdentifierInfo();
+      assert(II);
+
+      // Is this an argument that "Super" expands further?
+      if (!Super.count(II)) {
+        ++It;
+        continue;
+      }
+
+      const ExpArgTokens &SuperExpArgTokens = Super.at(II);
+
+      It = CurrExpArgTokens.insert(
+          It, SuperExpArgTokens.begin(), SuperExpArgTokens.end());
+      std::advance(It, SuperExpArgTokens.size());
+      It = CurrExpArgTokens.erase(It);
+    }
+  }
+}
+
 void TokenPrinter::printToken(const Token &Tok) {
   // If the tokens were already space separated, or if they must be to avoid
   // them being implicitly pasted, add a space between them.
   // If this is the first token to be printed, don't print space.
   if (PrevTok.isNot(tok::unknown) && (Tok.hasLeadingSpace() ||
       ConcatInfo.AvoidConcat(PrevPrevTok, PrevTok, Tok)))
     OS << ' ';
 
   OS << PP.getSpelling(Tok);
 
   PrevPrevTok = PrevTok;
   PrevTok = Tok;
 }

test/Analysis/Inputs/expected-plists/plist-macros-with-expansion.cpp.plist

<array>
     <dict>
      <key>location</key>
      <dict>
       <key>line</key><integer>59</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>name</key><string>TO_NULL</string>
-     <key>expansion</key><string>setToNull(x)</string>
+     <key>expansion</key><string>setToNull(&amp;ptr)</string>
     </dict>
    </array>
    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
    <key>category</key><string>Logic error</string>
    <key>type</key><string>Dereference of null pointer</string>
    <key>check_name</key><string>core.NullDereference</string>
    <!-- This hash is experimental and going to change! -->
    <key>issue_hash_content_of_line_in_context</key><string>370a457744311752aac789447b4ef16c</string>
<array>
     <dict>
      <key>kind</key><string>control</string>
      <key>edges</key>
       <array>
        <dict>
         <key>start</key>
          <array>
           <dict>
-           <key>line</key><integer>79</integer>
+           <key>line</key><integer>78</integer>
            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>79</integer>
+           <key>line</key><integer>78</integer>
            <key>col</key><integer>5</integer>
            <key>file</key><integer>0</integer>
           </dict>
          </array>
         <key>end</key>
          <array>
           <dict>
-           <key>line</key><integer>80</integer>
+           <key>line</key><integer>79</integer>
            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>80</integer>
+           <key>line</key><integer>79</integer>
            <key>col</key><integer>9</integer>
            <key>file</key><integer>0</integer>
           </dict>
          </array>
        </dict>
       </array>
     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>80</integer>
+      <key>line</key><integer>79</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>80</integer>
+         <key>line</key><integer>79</integer>
          <key>col</key><integer>3</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>80</integer>
+         <key>line</key><integer>79</integer>
          <key>col</key><integer>13</integer>
          <key>file</key><integer>0</integer>
         </dict>
        </array>
      </array>
      <key>depth</key><integer>0</integer>
      <key>extended_message</key>
      <string>Calling &apos;setToNull&apos;</string>
<array>
      <string>Null pointer value stored to &apos;a&apos;</string>
      <key>message</key>
      <string>Null pointer value stored to &apos;a&apos;</string>
     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>80</integer>
+      <key>line</key><integer>79</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>80</integer>
+         <key>line</key><integer>79</integer>
          <key>col</key><integer>3</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>80</integer>
+         <key>line</key><integer>79</integer>
          <key>col</key><integer>13</integer>
          <key>file</key><integer>0</integer>
         </dict>
        </array>
      </array>
      <key>depth</key><integer>0</integer>
      <key>extended_message</key>
      <string>Returning from &apos;setToNull&apos;</string>
      <key>message</key>
      <string>Returning from &apos;setToNull&apos;</string>
     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>81</integer>
+      <key>line</key><integer>80</integer>
       <key>col</key><integer>12</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>81</integer>
+         <key>line</key><integer>80</integer>
          <key>col</key><integer>3</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>81</integer>
+         <key>line</key><integer>80</integer>
          <key>col</key><integer>10</integer>
          <key>file</key><integer>0</integer>
         </dict>
        </array>
      </array>
      <key>depth</key><integer>0</integer>
      <key>extended_message</key>
      <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
      <key>message</key>
      <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
     </dict>
    </array>
    <key>macro_expansions</key>
    <array>
     <dict>
      <key>location</key>
      <dict>
-      <key>line</key><integer>80</integer>
+      <key>line</key><integer>79</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>name</key><string>TO_NULL</string>
-     <key>expansion</key><string>setToNull(x)</string>
+     <key>expansion</key><string>setToNull(&amp;a)</string>
     </dict>
     <dict>
      <key>location</key>
      <dict>
-      <key>line</key><integer>81</integer>
+      <key>line</key><integer>80</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>name</key><string>DEREF</string>
-     <key>expansion</key><string>{ int b; b = 5; } print(x); *x</string>
+     <key>expansion</key><string>{ int b; b = 5; } print(a); *a</string>
     </dict>
    </array>
    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
    <key>category</key><string>Logic error</string>
    <key>type</key><string>Dereference of null pointer</string>
    <key>check_name</key><string>core.NullDereference</string>
    <!-- This hash is experimental and going to change! -->
    <key>issue_hash_content_of_line_in_context</key><string>873802674657bba4565f64c7bbf0ded9</string>
   <key>issue_context_kind</key><string>function</string>
   <key>issue_context</key><string>functionLikeNestedMacroTest</string>
   <key>issue_hash_function_offset</key><string>3</string>
   <key>location</key>
   <dict>
-   <key>line</key><integer>81</integer>
+   <key>line</key><integer>80</integer>
    <key>col</key><integer>12</integer>
    <key>file</key><integer>0</integer>
   </dict>
   <key>ExecutedLines</key>
   <dict>
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    <array>
     <integer>50</integer>
     <integer>51</integer>
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      <key>edges</key>
       <array>
        <dict>
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          <array>
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-           <key>line</key><integer>100</integer>
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            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>100</integer>
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            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>101</integer>
+           <key>line</key><integer>98</integer>
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           </dict>
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     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>101</integer>
+      <key>line</key><integer>98</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>101</integer>
+         <key>line</key><integer>98</integer>
          <key>col</key><integer>3</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>101</integer>
+         <key>line</key><integer>98</integer>
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      <key>edges</key>
       <array>
        <dict>
         <key>start</key>
          <array>
           <dict>
-           <key>line</key><integer>102</integer>
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            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>102</integer>
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           </dict>
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          <array>
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           </dict>
           <dict>
-           <key>line</key><integer>102</integer>
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     <dict>
      <key>kind</key><string>event</string>
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      <dict>
-      <key>line</key><integer>102</integer>
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       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>102</integer>
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          <key>col</key><integer>4</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>102</integer>
+         <key>line</key><integer>99</integer>
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          <key>file</key><integer>0</integer>
         </dict>
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      <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
      <key>message</key>
      <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
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    <array>
     <dict>
      <key>location</key>
      <dict>
-      <key>line</key><integer>101</integer>
+      <key>line</key><integer>98</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>name</key><string>WILL_UNDEF_SET_NULL_TO_PTR</string>
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    <!-- This hash is experimental and going to change! -->
    <key>issue_hash_content_of_line_in_context</key><string>79ce7ac344a15505929edba2fdf178b6</string>
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   <key>issue_context</key><string>undefinedMacroByTheEndOfParsingTest</string>
   <key>issue_hash_function_offset</key><string>3</string>
   <key>location</key>
   <dict>
-   <key>line</key><integer>102</integer>
+   <key>line</key><integer>99</integer>
    <key>col</key><integer>8</integer>
    <key>file</key><integer>0</integer>
   </dict>
   <key>ExecutedLines</key>
   <dict>
    <key>0</key>
    <array>
+    <integer>96</integer>
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+    <integer>98</integer>
     <integer>99</integer>
-    <integer>100</integer>
-    <integer>101</integer>
-    <integer>102</integer>
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      <key>edges</key>
       <array>
        <dict>
         <key>start</key>
          <array>
           <dict>
-           <key>line</key><integer>118</integer>
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            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>118</integer>
+           <key>line</key><integer>114</integer>
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           </dict>
          </array>
         <key>end</key>
          <array>
           <dict>
-           <key>line</key><integer>119</integer>
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            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>119</integer>
+           <key>line</key><integer>115</integer>
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          </array>
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     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>119</integer>
+      <key>line</key><integer>115</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>119</integer>
+         <key>line</key><integer>115</integer>
          <key>col</key><integer>3</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>119</integer>
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          <key>file</key><integer>0</integer>
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     <dict>
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      <key>edges</key>
       <array>
        <dict>
         <key>start</key>
          <array>
           <dict>
-           <key>line</key><integer>120</integer>
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            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>120</integer>
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           </dict>
          </array>
         <key>end</key>
          <array>
           <dict>
-           <key>line</key><integer>120</integer>
+           <key>line</key><integer>116</integer>
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            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>120</integer>
+           <key>line</key><integer>116</integer>
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          </array>
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     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>120</integer>
+      <key>line</key><integer>116</integer>
       <key>col</key><integer>8</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>120</integer>
+         <key>line</key><integer>116</integer>
          <key>col</key><integer>4</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>120</integer>
+         <key>line</key><integer>116</integer>
          <key>col</key><integer>6</integer>
          <key>file</key><integer>0</integer>
         </dict>
        </array>
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      <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
      <key>message</key>
      <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
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    <key>macro_expansions</key>
    <array>
     <dict>
      <key>location</key>
      <dict>
-      <key>line</key><integer>119</integer>
+      <key>line</key><integer>115</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>name</key><string>WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL</string>
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    <key>check_name</key><string>core.NullDereference</string>
    <!-- This hash is experimental and going to change! -->
    <key>issue_hash_content_of_line_in_context</key><string>cbbecfb64198aebb884f3729dff84896</string>
   <key>issue_context_kind</key><string>function</string>
   <key>issue_context</key><string>macroRedefinedMultipleTimesTest</string>
   <key>issue_hash_function_offset</key><string>3</string>
   <key>location</key>
   <dict>
-   <key>line</key><integer>120</integer>
+   <key>line</key><integer>116</integer>
    <key>col</key><integer>8</integer>
    <key>file</key><integer>0</integer>
   </dict>
   <key>ExecutedLines</key>
   <dict>
    <key>0</key>
    <array>
-    <integer>117</integer>
-    <integer>118</integer>
-    <integer>119</integer>
-    <integer>120</integer>
+    <integer>113</integer>
+    <integer>114</integer>
+    <integer>115</integer>
+    <integer>116</integer>
    </array>
   </dict>
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   <dict>
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    <array>
     <dict>
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      <key>edges</key>
       <array>
        <dict>
         <key>start</key>
          <array>
           <dict>
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            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>139</integer>
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            <key>file</key><integer>0</integer>
           </dict>
          </array>
         <key>end</key>
          <array>
           <dict>
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            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>140</integer>
+           <key>line</key><integer>135</integer>
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           </dict>
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     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>140</integer>
+      <key>line</key><integer>135</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>140</integer>
+         <key>line</key><integer>135</integer>
          <key>col</key><integer>3</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>140</integer>
+         <key>line</key><integer>135</integer>
          <key>col</key><integer>44</integer>
          <key>file</key><integer>0</integer>
         </dict>
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     <dict>
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      <key>edges</key>
       <array>
        <dict>
         <key>start</key>
          <array>
           <dict>
-           <key>line</key><integer>141</integer>
+           <key>line</key><integer>136</integer>
            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>141</integer>
+           <key>line</key><integer>136</integer>
            <key>col</key><integer>3</integer>
            <key>file</key><integer>0</integer>
           </dict>
          </array>
         <key>end</key>
          <array>
           <dict>
-           <key>line</key><integer>141</integer>
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            <key>col</key><integer>8</integer>
            <key>file</key><integer>0</integer>
           </dict>
           <dict>
-           <key>line</key><integer>141</integer>
+           <key>line</key><integer>136</integer>
            <key>col</key><integer>8</integer>
            <key>file</key><integer>0</integer>
           </dict>
          </array>
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     </dict>
     <dict>
      <key>kind</key><string>event</string>
      <key>location</key>
      <dict>
-      <key>line</key><integer>141</integer>
+      <key>line</key><integer>136</integer>
       <key>col</key><integer>8</integer>
       <key>file</key><integer>0</integer>
      </dict>
      <key>ranges</key>
      <array>
        <array>
         <dict>
-         <key>line</key><integer>141</integer>
+         <key>line</key><integer>136</integer>
          <key>col</key><integer>4</integer>
          <key>file</key><integer>0</integer>
         </dict>
         <dict>
-         <key>line</key><integer>141</integer>
+         <key>line</key><integer>136</integer>
          <key>col</key><integer>6</integer>
          <key>file</key><integer>0</integer>
         </dict>
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    <array>
     <dict>
      <key>location</key>
      <dict>
-      <key>line</key><integer>140</integer>
+      <key>line</key><integer>135</integer>
       <key>col</key><integer>3</integer>
       <key>file</key><integer>0</integer>
      </dict>
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    <!-- This hash is experimental and going to change! -->
    <key>issue_hash_content_of_line_in_context</key><string>01684c77381713fd6c7be31ebc9b647a</string>
   <key>issue_context_kind</key><string>function</string>
   <key>issue_context</key><string>undefinedMacroInsideAnotherMacroTest</string>
   <key>issue_hash_function_offset</key><string>3</string>
   <key>location</key>
   <dict>
-   <key>line</key><integer>141</integer>
+   <key>line</key><integer>136</integer>
+   <key>col</key><integer>8</integer>
+   <key>file</key><integer>0</integer>
+  </dict>
+  <key>ExecutedLines</key>
+  <dict>
+   <key>0</key>
+   <array>
+    <integer>133</integer>
+    <integer>134</integer>
+    <integer>135</integer>
+    <integer>136</integer>
+   </array>
+  </dict>
+  </dict>
+  <dict>
+   <key>path</key>
+   <array>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>161</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
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+          <dict>
+           <key>line</key><integer>161</integer>
+           <key>col</key><integer>5</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
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+           <key>line</key><integer>162</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>162</integer>
+           <key>col</key><integer>19</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
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+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
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+      <key>line</key><integer>162</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
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+        <dict>
+         <key>line</key><integer>162</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
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+        <dict>
+         <key>line</key><integer>162</integer>
+         <key>col</key><integer>52</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
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+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Null pointer value stored to &apos;a&apos;</string>
+     <key>message</key>
+     <string>Null pointer value stored to &apos;a&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>163</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
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+          <dict>
+           <key>line</key><integer>163</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
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+           <key>line</key><integer>163</integer>
+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
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+          <dict>
+           <key>line</key><integer>163</integer>
+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
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+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>163</integer>
+      <key>col</key><integer>6</integer>
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+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
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+      <key>col</key><integer>3</integer>
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+     <key>expansion</key><string>a = 0; print( &quot;Will this , cause a crash?&quot;)</string>
+    </dict>
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+   <!-- This hash is experimental and going to change! -->
+   <key>issue_hash_content_of_line_in_context</key><string>7a7344244350405a514682fe228e304e</string>
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+  <key>issue_hash_function_offset</key><string>3</string>
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+   <key>col</key><integer>6</integer>
+   <key>file</key><integer>0</integer>
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+  <key>ExecutedLines</key>
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+    <integer>161</integer>
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+    <dict>
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+     <key>edges</key>
+      <array>
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+           <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
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+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
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+     <key>name</key><string>TO_NULL_AND_PRINT</string>
+     <key>expansion</key><string>a = 0; print( &quot;Will this ( cause a crash?&quot;)</string>
+    </dict>
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+   <key>file</key><integer>0</integer>
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+           <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>TO_NULL_AND_PRINT</string>
+     <key>expansion</key><string>a = 0; print( &quot;Will this ) cause a crash?&quot;)</string>
+    </dict>
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+   <key>description</key><string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
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+   <!-- This hash is experimental and going to change! -->
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+   <key>col</key><integer>6</integer>
+   <key>file</key><integer>0</integer>
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+  <key>ExecutedLines</key>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
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+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
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+         <key>col</key><integer>30</integer>
+         <key>file</key><integer>0</integer>
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+      <key>file</key><integer>0</integer>
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+     <string>Entered call from &apos;macroArgContainsLParenRParenTest&apos;</string>
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+          <dict>
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+           <key>col</key><integer>1</integer>
+           <key>file</key><integer>0</integer>
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+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
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+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+     <string>Returning from &apos;setToNull&apos;</string>
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+     <string>Returning from &apos;setToNull&apos;</string>
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+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
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+       <dict>
+        <key>start</key>
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+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
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+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
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+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
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+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
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+      <key>col</key><integer>6</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
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+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>195</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
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+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+     <key>message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+    </dict>
+   </array>
+   <key>macro_expansions</key>
+   <array>
+    <dict>
+     <key>location</key>
+     <dict>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>CALL_FUNCTION</string>
+     <key>expansion</key><string>setToNull(&amp;a)</string>
+    </dict>
+   </array>
+   <key>description</key><string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+   <key>category</key><string>Logic error</string>
+   <key>type</key><string>Dereference of null pointer</string>
+   <key>check_name</key><string>core.NullDereference</string>
+   <!-- This hash is experimental and going to change! -->
+   <key>issue_hash_content_of_line_in_context</key><string>f00b6f77288a374e864a58609e9a42ea</string>
+  <key>issue_context_kind</key><string>function</string>
+  <key>issue_context</key><string>macroArgContainsLParenRParenTest</string>
+  <key>issue_hash_function_offset</key><string>3</string>
+  <key>location</key>
+  <dict>
+   <key>line</key><integer>195</integer>
+   <key>col</key><integer>6</integer>
+   <key>file</key><integer>0</integer>
+  </dict>
+  <key>ExecutedLines</key>
+  <dict>
+   <key>0</key>
+   <array>
+    <integer>50</integer>
+    <integer>51</integer>
+    <integer>192</integer>
+    <integer>193</integer>
+    <integer>194</integer>
+    <integer>195</integer>
+   </array>
+  </dict>
+  </dict>
+  <dict>
+   <key>path</key>
+   <array>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>207</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>207</integer>
+           <key>col</key><integer>5</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>208</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>208</integer>
+           <key>col</key><integer>15</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>208</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>208</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>208</integer>
+         <key>col</key><integer>48</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Calling &apos;setToNullAndPrint&apos;</string>
+     <key>message</key>
+     <string>Calling &apos;setToNullAndPrint&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>201</integer>
+      <key>col</key><integer>1</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Entered call from &apos;macroArgContainsCommaLParenRParenTest&apos;</string>
+     <key>message</key>
+     <string>Entered call from &apos;macroArgContainsCommaLParenRParenTest&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>201</integer>
+           <key>col</key><integer>1</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>201</integer>
+           <key>col</key><integer>4</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>11</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>202</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Calling &apos;setToNull&apos;</string>
+     <key>message</key>
+     <string>Calling &apos;setToNull&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>50</integer>
+      <key>col</key><integer>1</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>depth</key><integer>2</integer>
+     <key>extended_message</key>
+     <string>Entered call from &apos;setToNullAndPrint&apos;</string>
+     <key>message</key>
+     <string>Entered call from &apos;setToNullAndPrint&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>50</integer>
+           <key>col</key><integer>1</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>50</integer>
+           <key>col</key><integer>4</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>51</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>51</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>51</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>51</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>51</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>2</integer>
+     <key>extended_message</key>
+     <string>Null pointer value stored to &apos;a&apos;</string>
+     <key>message</key>
+     <string>Null pointer value stored to &apos;a&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>202</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Returning from &apos;setToNull&apos;</string>
+     <key>message</key>
+     <string>Returning from &apos;setToNull&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>11</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>203</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>203</integer>
+           <key>col</key><integer>7</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>208</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>208</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>208</integer>
+         <key>col</key><integer>48</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Returning from &apos;setToNullAndPrint&apos;</string>
+     <key>message</key>
+     <string>Returning from &apos;setToNullAndPrint&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>209</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>209</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>209</integer>
+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>209</integer>
+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>209</integer>
+      <key>col</key><integer>6</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>209</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>209</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+     <key>message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+    </dict>
+   </array>
+   <key>macro_expansions</key>
+   <array>
+    <dict>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>208</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>CALL_FUNCTION</string>
+     <key>expansion</key><string>setToNullAndPrint(&amp;a, &quot;Hello!&quot;)</string>
+    </dict>
+   </array>
+   <key>description</key><string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+   <key>category</key><string>Logic error</string>
+   <key>type</key><string>Dereference of null pointer</string>
+   <key>check_name</key><string>core.NullDereference</string>
+   <!-- This hash is experimental and going to change! -->
+   <key>issue_hash_content_of_line_in_context</key><string>c5805abeb71bb4edb41b49ab317439b9</string>
+  <key>issue_context_kind</key><string>function</string>
+  <key>issue_context</key><string>macroArgContainsCommaLParenRParenTest</string>
+  <key>issue_hash_function_offset</key><string>3</string>
+  <key>location</key>
+  <dict>
+   <key>line</key><integer>209</integer>
+   <key>col</key><integer>6</integer>
+   <key>file</key><integer>0</integer>
+  </dict>
+  <key>ExecutedLines</key>
+  <dict>
+   <key>0</key>
+   <array>
+    <integer>50</integer>
+    <integer>51</integer>
+    <integer>201</integer>
+    <integer>202</integer>
+    <integer>203</integer>
+    <integer>206</integer>
+    <integer>207</integer>
+    <integer>208</integer>
+    <integer>209</integer>
+   </array>
+  </dict>
+  </dict>
+  <dict>
+   <key>path</key>
+   <array>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>219</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>219</integer>
+           <key>col</key><integer>5</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>220</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>220</integer>
+           <key>col</key><integer>31</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>220</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>220</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>220</integer>
+         <key>col</key><integer>64</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Calling &apos;setToNullAndPrint&apos;</string>
+     <key>message</key>
+     <string>Calling &apos;setToNullAndPrint&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>201</integer>
+      <key>col</key><integer>1</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Entered call from &apos;macroArgContainsCommaLParenRParenTest2&apos;</string>
+     <key>message</key>
+     <string>Entered call from &apos;macroArgContainsCommaLParenRParenTest2&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>201</integer>
+           <key>col</key><integer>1</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>201</integer>
+           <key>col</key><integer>4</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>11</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>202</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Calling &apos;setToNull&apos;</string>
+     <key>message</key>
+     <string>Calling &apos;setToNull&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>50</integer>
+      <key>col</key><integer>1</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>depth</key><integer>2</integer>
+     <key>extended_message</key>
+     <string>Entered call from &apos;setToNullAndPrint&apos;</string>
+     <key>message</key>
+     <string>Entered call from &apos;setToNullAndPrint&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>50</integer>
+           <key>col</key><integer>1</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>50</integer>
+           <key>col</key><integer>4</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>51</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>51</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>51</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>51</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>51</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>2</integer>
+     <key>extended_message</key>
+     <string>Null pointer value stored to &apos;a&apos;</string>
+     <key>message</key>
+     <string>Null pointer value stored to &apos;a&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>202</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>202</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Returning from &apos;setToNull&apos;</string>
+     <key>message</key>
+     <string>Returning from &apos;setToNull&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>202</integer>
+           <key>col</key><integer>11</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>203</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>203</integer>
+           <key>col</key><integer>7</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>220</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>220</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>220</integer>
+         <key>col</key><integer>64</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Returning from &apos;setToNullAndPrint&apos;</string>
+     <key>message</key>
+     <string>Returning from &apos;setToNullAndPrint&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>221</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>221</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>221</integer>
+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>221</integer>
+           <key>col</key><integer>6</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>221</integer>
+      <key>col</key><integer>6</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>221</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>221</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+     <key>message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+    </dict>
+   </array>
+   <key>macro_expansions</key>
+   <array>
+    <dict>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>220</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>CALL_FUNCTION_WITH_TWO_PARAMS</string>
+     <key>expansion</key><string>setToNullAndPrint( &amp;a, &quot;Hello!&quot;)</string>
+    </dict>
+   </array>
+   <key>description</key><string>Dereference of null pointer (loaded from variable &apos;a&apos;)</string>
+   <key>category</key><string>Logic error</string>
+   <key>type</key><string>Dereference of null pointer</string>
+   <key>check_name</key><string>core.NullDereference</string>
+   <!-- This hash is experimental and going to change! -->
+   <key>issue_hash_content_of_line_in_context</key><string>4014a22ef054933e6ce9be43623ea85e</string>
+  <key>issue_context_kind</key><string>function</string>
+  <key>issue_context</key><string>macroArgContainsCommaLParenRParenTest2</string>
+  <key>issue_hash_function_offset</key><string>3</string>
+  <key>location</key>
+  <dict>
+   <key>line</key><integer>221</integer>
+   <key>col</key><integer>6</integer>
+   <key>file</key><integer>0</integer>
+  </dict>
+  <key>ExecutedLines</key>
+  <dict>
+   <key>0</key>
+   <array>
+    <integer>50</integer>
+    <integer>51</integer>
+    <integer>201</integer>
+    <integer>202</integer>
+    <integer>203</integer>
+    <integer>218</integer>
+    <integer>219</integer>
+    <integer>220</integer>
+    <integer>221</integer>
+   </array>
+  </dict>
+  </dict>
+  <dict>
+   <key>path</key>
+   <array>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>231</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>231</integer>
+           <key>col</key><integer>5</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>235</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>235</integer>
+           <key>col</key><integer>13</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>58</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Calling &apos;operator()&apos;</string>
+     <key>message</key>
+     <string>Calling &apos;operator()&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Entered call from &apos;commaInBracketsTest&apos;</string>
+     <key>message</key>
+     <string>Entered call from &apos;commaInBracketsTest&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>58</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Calling &apos;setToNull&apos;</string>
+     <key>message</key>
+     <string>Calling &apos;setToNull&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>50</integer>
+      <key>col</key><integer>1</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>depth</key><integer>2</integer>
+     <key>extended_message</key>
+     <string>Entered call from &apos;operator()&apos;</string>
+     <key>message</key>
+     <string>Entered call from &apos;operator()&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>50</integer>
+           <key>col</key><integer>1</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>50</integer>
+           <key>col</key><integer>4</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>51</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>51</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>51</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>51</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>51</integer>
+         <key>col</key><integer>17</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>2</integer>
+     <key>extended_message</key>
+     <string>Null pointer value stored to &apos;ptr&apos;</string>
+     <key>message</key>
+     <string>Null pointer value stored to &apos;ptr&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>58</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>1</integer>
+     <key>extended_message</key>
+     <string>Returning from &apos;setToNull&apos;</string>
+     <key>message</key>
+     <string>Returning from &apos;setToNull&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>235</integer>
+         <key>col</key><integer>58</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Returning from &apos;operator()&apos;</string>
+     <key>message</key>
+     <string>Returning from &apos;operator()&apos;</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>control</string>
+     <key>edges</key>
+      <array>
+       <dict>
+        <key>start</key>
+         <array>
+          <dict>
+           <key>line</key><integer>236</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>236</integer>
+           <key>col</key><integer>3</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+        <key>end</key>
+         <array>
+          <dict>
+           <key>line</key><integer>236</integer>
+           <key>col</key><integer>8</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+          <dict>
+           <key>line</key><integer>236</integer>
+           <key>col</key><integer>8</integer>
+           <key>file</key><integer>0</integer>
+          </dict>
+         </array>
+       </dict>
+      </array>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>236</integer>
+      <key>col</key><integer>8</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>236</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>236</integer>
+         <key>col</key><integer>6</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+     <key>message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+    </dict>
+   </array>
+   <key>macro_expansions</key>
+   <array>
+    <dict>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>CALL_LAMBDA</string>
+     <key>expansion</key><string>([&amp;ptr, str] () mutable { TO_NULL(&amp;ptr); })()</string>
+    </dict>
+    <dict>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>235</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>CALL_LAMBDA</string>
+     <key>expansion</key><string>([&amp;ptr, str] () mutable { TO_NULL(&amp;ptr); })()</string>
+    </dict>
+   </array>
+   <key>description</key><string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+   <key>category</key><string>Logic error</string>
+   <key>type</key><string>Dereference of null pointer</string>
+   <key>check_name</key><string>core.NullDereference</string>
+   <!-- This hash is experimental and going to change! -->
+   <key>issue_hash_content_of_line_in_context</key><string>a8918c38ddfa6a991701e7d19c9cd6bb</string>
+  <key>issue_context_kind</key><string>function</string>
+  <key>issue_context</key><string>commaInBracketsTest</string>
+  <key>issue_hash_function_offset</key><string>6</string>
+  <key>location</key>
+  <dict>
+   <key>line</key><integer>236</integer>
+   <key>col</key><integer>8</integer>
+   <key>file</key><integer>0</integer>
+  </dict>
+  <key>ExecutedLines</key>
+  <dict>
+   <key>0</key>
+   <array>
+    <integer>50</integer>
+    <integer>51</integer>
+    <integer>230</integer>
+    <integer>231</integer>
+    <integer>232</integer>
+    <integer>235</integer>
+    <integer>236</integer>
+   </array>
+  </dict>
+  </dict>
+  <dict>
+   <key>path</key>
+   <array>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>246</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>246</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>254</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>&apos;ptr&apos; initialized to a null pointer value</string>
+     <key>message</key>
+     <string>&apos;ptr&apos; initialized to a null pointer value</string>
+    </dict>
+    <dict>
+     <key>kind</key><string>event</string>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>246</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>ranges</key>
+     <array>
+       <array>
+        <dict>
+         <key>line</key><integer>246</integer>
+         <key>col</key><integer>3</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+        <dict>
+         <key>line</key><integer>254</integer>
+         <key>col</key><integer>4</integer>
+         <key>file</key><integer>0</integer>
+        </dict>
+       </array>
+     </array>
+     <key>depth</key><integer>0</integer>
+     <key>extended_message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+     <key>message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+    </dict>
+   </array>
+   <key>macro_expansions</key>
+   <array>
+    <dict>
+     <key>location</key>
+     <dict>
+      <key>line</key><integer>246</integer>
+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>PASTE_CODE</string>
+     <key>expansion</key><string>{ int *ptr = nullptr; *ptr = 5; }</string>
+    </dict>
+   </array>
+   <key>description</key><string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+   <key>category</key><string>Logic error</string>
+   <key>type</key><string>Dereference of null pointer</string>
+   <key>check_name</key><string>core.NullDereference</string>
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+      <key>col</key><integer>3</integer>
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+         <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+         <key>file</key><integer>0</integer>
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+     <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+     <key>message</key>
+     <string>Dereference of null pointer (loaded from variable &apos;ptr&apos;)</string>
+    </dict>
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+      <key>col</key><integer>3</integer>
+      <key>file</key><integer>0</integer>
+     </dict>
+     <key>name</key><string>CALL_FUNCTION_WITH_ONE_PARAM_THROUGH_MACRO</string>
+     <key>expansion</key><string>setToNull( &amp;ptr)</string>
+    </dict>
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+   <key>category</key><string>Logic error</string>
+   <key>type</key><string>Dereference of null pointer</string>
+   <key>check_name</key><string>core.NullDereference</string>
+   <!-- This hash is experimental and going to change! -->
+   <key>issue_hash_content_of_line_in_context</key><string>ff00c8344e685317303e814970082d5f</string>
+  <key>issue_context_kind</key><string>function</string>
+  <key>issue_context</key><string>lParenRParenInNestedMacro</string>
+  <key>issue_hash_function_offset</key><string>3</string>
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+   <key>col</key><integer>8</integer>
+   <key>file</key><integer>0</integer>
+  </dict>
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+    </dict>
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+      <key>file</key><integer>0</integer>
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+     <key>name</key><string>PRINT_STR</string>
+     <key>expansion</key><string>print(#Hello); ptr = nullptr</string>
+    </dict>
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  <key>files</key>
  <array>
   <string>/home/szelethus/Documents/macro_expansion/clang/test/Analysis/plist-macros-with-expansion.cpp</string>
  </array>
 </dict>
 </plist>

test/Analysis/plist-macros-with-expansion.cpp

#define TO_NULL(x) \
   setToNull(x)
 
 void functionLikeMacroTest() {
   int *ptr;
   TO_NULL(&ptr);
   *ptr = 5; // expected-warning{{Dereference of null pointer}}
 }
 
-// TODO: Expand arguments.
 // CHECK: <key>name</key><string>TO_NULL</string>
-// CHECK: <key>expansion</key><string>setToNull(x)</string>
+// CHECK-NEXT: <key>expansion</key><string>setToNull(&amp;ptr)</string>
 
 #define DOES_NOTHING(x) \
   {                     \
     int b;              \
     b = 5;              \
   }                     \
   print(x)
 
 #define DEREF(x)   \
   DOES_NOTHING(x); \
   *x
 
 void functionLikeNestedMacroTest() {
   int *a;
   TO_NULL(&a);
   DEREF(a) = 5; // expected-warning{{Dereference of null pointer}}
 }
 
-// TODO: Expand arguments.
 // CHECK: <key>name</key><string>TO_NULL</string>
-// CHECK-NEXT: <key>expansion</key><string>setToNull(x)</string>
+// CHECK-NEXT: <key>expansion</key><string>setToNull(&amp;a)</string>
 
-// TODO: Expand arguments.
 // CHECK: <key>name</key><string>DEREF</string>
-// CHECK-NEXT: <key>expansion</key><string>{ int b; b = 5; } print(x); *x</string>
+// CHECK-NEXT: <key>expansion</key><string>{ int b; b = 5; } print(a); *a</string>
 
 //===----------------------------------------------------------------------===//
 // Tests for undefining and/or redifining macros.
 //===----------------------------------------------------------------------===//
 
 #define WILL_UNDEF_SET_NULL_TO_PTR(ptr) \
   ptr = nullptr;
 
 void undefinedMacroByTheEndOfParsingTest() {
   int *ptr;
   WILL_UNDEF_SET_NULL_TO_PTR(ptr);
   *ptr = 5; // expected-warning{{Dereference of null pointer}}
 }
 
 #undef WILL_UNDEF_SET_NULL_TO_PTR
 
-// TODO: Expand arguments.
 // CHECK: <key>name</key><string>WILL_UNDEF_SET_NULL_TO_PTR</string>
 // CHECK-NEXT: <key>expansion</key><string>ptr = nullptr;</string>
 
 #define WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL(ptr) \
   /* Nothing */
 #undef WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL
 #define WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL(ptr) \
   ptr = nullptr;
 
 void macroRedefinedMultipleTimesTest() {
   int *ptr;
   WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL(ptr)
   *ptr = 5; // expected-warning{{Dereference of null pointer}}
 }
 
 #undef WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL
 #define WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL(ptr)                      \
   print("This string shouldn't be in the plist file at all. Or anywhere, " \
         "but here.");
 
-// TODO: Expand arguments.
 // CHECK: <key>name</key><string>WILL_REDIFINE_MULTIPLE_TIMES_SET_TO_NULL</string>
 // CHECK-NEXT: <key>expansion</key><string>ptr = nullptr;</string>
 
 #define WILL_UNDEF_SET_NULL_TO_PTR_2(ptr) \
   ptr = nullptr;
 
 #define PASS_PTR_TO_MACRO_THAT_WILL_BE_UNDEFD(ptr) \
   WILL_UNDEF_SET_NULL_TO_PTR_2(ptr)
 
 void undefinedMacroInsideAnotherMacroTest() {
   int *ptr;
   PASS_PTR_TO_MACRO_THAT_WILL_BE_UNDEFD(ptr);
   *ptr = 5; // expected-warning{{Dereference of null pointer}}
 }
 
 // TODO: Expand arguments.
 // CHECK: <key>name</key><string>PASS_PTR_TO_MACRO_THAT_WILL_BE_UNDEFD</string>
 // CHECK-NEXT: <key>expansion</key><string>ptr = nullptr;</string>
 
 #undef WILL_UNDEF_SET_NULL_TO_PTR_2
+
+//===----------------------------------------------------------------------===//
+// Tests for macro arguments containing commas and parantheses.
+//
+// As of writing these tests, the algorithm expands macro arguments by lexing
+// the macro's expansion location, and relies on finding tok::comma and
+// tok::l_paren/tok::r_paren.
+//===----------------------------------------------------------------------===//
+
+// Note that this commas, parantheses in strings aren't parsed as tok::comma or
+// tok::l_paren/tok::r_paren, but why not test them.
+
+#define TO_NULL_AND_PRINT(x, str) \
+  x = 0; \
+  print(str)
+
+void macroArgContainsCommaInStringTest() {
+  int *a;
+  TO_NULL_AND_PRINT(a, "Will this , cause a crash?");
+  *a = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>TO_NULL_AND_PRINT</string>
+// CHECK-NEXT: <key>expansion</key><string>a = 0; print( &quot;Will this , cause a crash?&quot;)</string>
+
+void macroArgContainsLParenInStringTest() {
+  int *a;
+  TO_NULL_AND_PRINT(a, "Will this ( cause a crash?");
+  *a = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>TO_NULL_AND_PRINT</string>
+// CHECK-NEXT: <key>expansion</key><string>a = 0; print( &quot;Will this ( cause a crash?&quot;)</string>
+
+void macroArgContainsRParenInStringTest() {
+  int *a;
+  TO_NULL_AND_PRINT(a, "Will this ) cause a crash?");
+  *a = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>TO_NULL_AND_PRINT</string>
+// CHECK-NEXT: <key>expansion</key><string>a = 0; print( &quot;Will this ) cause a crash?&quot;)</string>
+
+#define CALL_FUNCTION(funcCall)   \
+  funcCall
+
+// Function calls do contain both tok::comma and tok::l_paren/tok::r_paren.
+
+void macroArgContainsLParenRParenTest() {
+  int *a;
+  CALL_FUNCTION(setToNull(&a));
+  *a = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>CALL_FUNCTION</string>
+// CHECK-NEXT: <key>expansion</key><string>setToNull(&amp;a)</string>
+
+void setToNullAndPrint(int **vptr, const char *str) {
+  setToNull(vptr);
+  print(str);
+}
+
+void macroArgContainsCommaLParenRParenTest() {
+  int *a;
+  CALL_FUNCTION(setToNullAndPrint(&a, "Hello!"));
+  *a = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>CALL_FUNCTION</string>
+// CHECK-NEXT: <key>expansion</key><string>setToNullAndPrint(&amp;a, &quot;Hello!&quot;)</string>
+
+#define CALL_FUNCTION_WITH_TWO_PARAMS(funcCall, param1, param2) \
+  funcCall(param1, param2)
+
+void macroArgContainsCommaLParenRParenTest2() {
+  int *a;
+  CALL_FUNCTION_WITH_TWO_PARAMS(setToNullAndPrint, &a, "Hello!");
+  *a = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>CALL_FUNCTION_WITH_TWO_PARAMS</string>
+// CHECK-NEXT: <key>expansion</key><string>setToNullAndPrint( &amp;a, &quot;Hello!&quot;)</string>
+
+#define CALL_LAMBDA(l) \
+  l()
+
+void commaInBracketsTest() {
+  int *ptr;
+  const char str[] = "Hello!";
+  // You need to add parantheses around a lambda expression to compile this,
+  // else the comma in the capture will be parsed as divider of macro args.
+  CALL_LAMBDA(([&ptr, str] () mutable { TO_NULL(&ptr); }));
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>CALL_LAMBDA</string>
+// CHECK-NEXT: <key>expansion</key><string>([&amp;ptr, str] () mutable { TO_NULL(&amp;ptr); })()</string>
+
+#define PASTE_CODE(code) \
+  code
+
+void commaInBracesTest() {
+  PASTE_CODE({ // expected-warning{{Dereference of null pointer}}
+    // NOTE: If we were to add a new variable here after a comma, we'd get a
+    // compilation error, so this test is mainly here to show that this was also
+    // investigated.
+
+    // int *ptr = nullptr, a;
+    int *ptr = nullptr;
+    *ptr = 5;
+  })
+}
+
+// CHECK: <key>name</key><string>PASTE_CODE</string>
+// CHECK-NEXT: <key>expansion</key><string>{ int *ptr = nullptr; *ptr = 5; }</string>
+
+// Example taken from
+// https://gcc.gnu.org/onlinedocs/cpp/Macro-Arguments.html#Macro-Arguments.
+
+#define POTENTIALLY_EMPTY_PARAM(x, y) \
+  x;                                  \
+  y = nullptr
+
+void emptyParamTest() {
+  int *ptr;
+
+  POTENTIALLY_EMPTY_PARAM(,ptr);
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>POTENTIALLY_EMPTY_PARAM</string>
+// CHECK-NEXT: <key>expansion</key><string>;ptr = nullptr</string>
+
+#define NESTED_EMPTY_PARAM(a, b) \
+  POTENTIALLY_EMPTY_PARAM(a, b);
+
+
+void nestedEmptyParamTest() {
+  int *ptr;
+
+  NESTED_EMPTY_PARAM(, ptr);
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>NESTED_EMPTY_PARAM</string>
+// CHECK-NEXT: <key>expansion</key><string>; ptr = nullptr;</string>
+
+#define CALL_FUNCTION_WITH_ONE_PARAM_THROUGH_MACRO(func, param) \
+  CALL_FUNCTION(func(param))
+
+void lParenRParenInNestedMacro() {
+  int *ptr;
+  CALL_FUNCTION_WITH_ONE_PARAM_THROUGH_MACRO(setToNull, &ptr);
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// CHECK: <key>name</key><string>CALL_FUNCTION_WITH_ONE_PARAM_THROUGH_MACRO</string>
+// CHECK-NEXT: <key>expansion</key><string>setToNull( &amp;ptr)</string>
+
+//===----------------------------------------------------------------------===//
+// Tests for variadic macro arguments.
+//===----------------------------------------------------------------------===//
+
+template <typename ...Args>
+void variadicFunc(Args ...args);
+
+#define VARIADIC_SET_TO_NULL(ptr, ...) \
+  ptr = nullptr;                       \
+  variadicFunc(__VA_ARGS__)
+
+void variadicMacroArgumentTest() {
+  int *ptr;
+  VARIADIC_SET_TO_NULL(ptr, 1, 5, "haha!");
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// TODO: Should correctly display the rest of the parameters.
+// CHECK: <key>name</key><string>VARIADIC_SET_TO_NULL</string>
+// CHECK-NEXT: <key>expansion</key><string>ptr = nullptr; variadicFunc( 1)</string>
+
+//===----------------------------------------------------------------------===//
+// Tests for # and ##.
+//===----------------------------------------------------------------------===//
+
+#define DECLARE_FUNC_AND_SET_TO_NULL(funcName, ptr) \
+  void generated_##funcName();                      \
+  ptr = nullptr;
+
+void hashHashOperatorTest() {
+  int *ptr;
+  DECLARE_FUNC_AND_SET_TO_NULL(whatever, ptr);
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// TODO: Should expand correctly.
+// CHECK: <key>name</key><string>DECLARE_FUNC_AND_SET_TO_NULL</string>
+// CHECK-NEXT: <key>expansion</key><string>void generated_##whatever(); ptr = nullptr;</string>
+
+#define PRINT_STR(str, ptr) \
+  print(#str);              \
+  ptr = nullptr
+
+void hashOperatorTest() {
+  int *ptr;
+  PRINT_STR(Hello, ptr);
+  *ptr = 5; // expected-warning{{Dereference of null pointer}}
+}
+
+// TODO: Should expand correctly.
+// CHECK: <key>name</key><string>PRINT_STR</string>
+// CHECK-NEXT: <key>expansion</key><string>print(#Hello); ptr = nullptr</string>