Fix #13015 (CI: Test typedef-info output)

Author: danmar

lib/tokenize.h

@@ -627,6 +627,17 @@ class CPPCHECKLIB Tokenizer {
 
     void setDirectives(std::list<Directive> directives);
 
+    struct TypedefInfo {
+        std::string name;
+        std::string filename;
+        int lineNumber;
+        int column;
+        bool used;
+    };
+    std::vector<TypedefInfo> getTypedefInfo() {
+        return mTypedefInfo;
+    }
+
 private:
     const Token *processFunc(const Token *tok2, bool inOperator) const;
     Token *processFunc(Token *tok2, bool inOperator);
@@ -660,13 +671,6 @@ class CPPCHECKLIB Tokenizer {
     /** sizeof information for known types */
     std::map<std::string, int> mTypeSize;
 
-    struct TypedefInfo {
-        std::string name;
-        std::string filename;
-        int lineNumber;
-        int column;
-        bool used;
-    };
     std::vector<TypedefInfo> mTypedefInfo;
 
     std::list<Directive> mDirectives;

test/testsimplifytypedef.cpp

@@ -241,6 +241,8 @@ class TestSimplifyTypedef : public TestFixture {
         TEST_CASE(simplifyTypedefMacro);
 
         TEST_CASE(simplifyTypedefOriginalName);
+
+        TEST_CASE(typedefInfo1);
     }
 
 #define tok(...) tok_(__FILE__, __LINE__, __VA_ARGS__)
@@ -307,6 +309,22 @@ class TestSimplifyTypedef : public TestFixture {
         return tokenizer.tokens()->stringifyList(nullptr, false);
     }
 
+    std::vector<Tokenizer::TypedefInfo> getTypedefInfo(const char code[]) {
+        Tokenizer tokenizer(settings1, *this);
+
+        std::istringstream istr(code);
+        if (!tokenizer.list.createTokens(istr, "file.c"))
+            return {};
+        tokenizer.createLinks();
+        tokenizer.simplifyTypedef();
+        try {
+            tokenizer.validate();
+        } catch (const InternalError&) {
+            return {};
+        }
+        return tokenizer.getTypedefInfo();
+    }
+
     void c1() {
         const char code[] = "typedef int t;\n"
                             "t x;";
@@ -4380,6 +4398,12 @@ class TestSimplifyTypedef : public TestFixture {
         token = Token::findsimplematch(endOfTypeDef, "*", tokenizer.list.back());
         ASSERT_EQUALS("rFunctionPointer_fp", token->originalName());
     }
+
+    void typedefInfo1() {
+        const auto& t = getTypedefInfo("typedef int A;\nA x;");
+        ASSERT_EQUALS(1, t.size());
+        ASSERT_EQUALS("A", t[0].name);
+    }
 };
 
 REGISTER_TEST(TestSimplifyTypedef)