From 6c28bd82ec312a9c74acb7a365360f7d60cc6948 Mon Sep 17 00:00:00 2001
From: foryoung365 <foryoung365@gmail.com>
Date: Mon, 21 Oct 2024 18:34:39 +0800
Subject: [PATCH] Fix the null pointer exception issue in Tokenizer::dump Fix
 the problem where when there is a header file with the same name in the
 current source code path and the include path, it is incorrectly matched to
 the header file in the include path

---
 externals/simplecpp/simplecpp.cpp | 32 ++++++++++++++++++++++++++-----
 lib/tokenize.cpp                  |  2 +-
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/externals/simplecpp/simplecpp.cpp b/externals/simplecpp/simplecpp.cpp
index d2fa6ee3082..2bef0d39671 100755
--- a/externals/simplecpp/simplecpp.cpp
+++ b/externals/simplecpp/simplecpp.cpp
@@ -3134,6 +3134,21 @@ static std::string openHeader(std::ifstream &f, const simplecpp::DUI &dui, const
         return openHeaderIncludePath(f, dui, header);
     return ret;
 }
+static bool IsFileExists(const std::string& simplePath)
+{
+	if (simplePath.empty())
+	{
+		return false;
+	}
+
+	std::ifstream ifs(simplePath);
+	if (ifs.good())
+	{
+		return true;
+	}
+
+	return false;
+}
 
 static std::string getFileName(const std::map<std::string, simplecpp::TokenList *> &filedata, const std::string &sourcefile, const std::string &header, const simplecpp::DUI &dui, bool systemheader)
 {
@@ -3144,11 +3159,18 @@ static std::string getFileName(const std::map<std::string, simplecpp::TokenList
         return (filedata.find(header) != filedata.end()) ? simplecpp::simplifyPath(header) : "";
     }
 
-    if (!systemheader) {
-        const std::string relativeFilename = getRelativeFileName(sourcefile, header);
-        if (filedata.find(relativeFilename) != filedata.end())
-            return relativeFilename;
-    }
+	if (!systemheader) {
+		const std::string relativeFilename = getRelativeFileName(sourcefile, header);
+		if (filedata.find(relativeFilename) != filedata.end())
+			return relativeFilename;
+
+		// If relativeFilename is not found in filedata, check if it exists on disk
+		// If the file exists, load it
+		if (IsFileExists(relativeFilename))
+		{
+			return "";
+		}
+	}
 
     for (std::list<std::string>::const_iterator it = dui.includePaths.begin(); it != dui.includePaths.end(); ++it) {
         std::string s = simplecpp::simplifyPath(getIncludePathFileName(*it, header));
diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 36a6b00c34f..12e5590147f 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -6158,7 +6158,7 @@ void Tokenizer::dump(std::ostream &out) const
             }
             containers.insert(tok->valueType()->container);
         }
-        if (!tok->varId() && tok->scope()->isExecutable() && Token::Match(tok, "%name% (")) {
+        if (!tok->varId() && tok->scope() && tok->scope()->isExecutable() && Token::Match(tok, "%name% (")) {
             if (mSettings.library.isnoreturn(tok))
                 outs += " noreturn=\"true\"";
         }