fix daca error: Internal Error: Invalid syntax (#2452)

* fix daca error: Internal Error: Invalid syntax

* fix cppcheck warnings

Author: IOBYTE

lib/symboldatabase.cpp

@@ -2411,7 +2411,9 @@ void SymbolDatabase::addClassFunction(Scope **scope, const Token **tok, const To
                         if (!func->hasBody()) {
                             const Token *closeParen = (*tok)->next()->link();
                             if (closeParen) {
-                                if (Token::Match(closeParen, ") noexcept| = default ;")) {
+                                if (Token::Match(closeParen, ") noexcept| = default ;") ||
+                                    (Token::simpleMatch(closeParen, ") noexcept (") &&
+                                     Token::simpleMatch(closeParen->linkAt(2), ") = default ;"))) {
                                     func->isDefault(true);
                                     return;
                                 }
@@ -2483,7 +2485,9 @@ void SymbolDatabase::addClassFunction(Scope **scope, const Token **tok, const To
                             // normal function?
                             const Token *closeParen = (*tok)->next()->link();
                             if (closeParen) {
-                                if (Token::Match(closeParen, ") noexcept| = default ;")) {
+                                if (Token::Match(closeParen, ") noexcept| = default ;") ||
+                                    (Token::simpleMatch(closeParen, ") noexcept (") &&
+                                     Token::simpleMatch(closeParen->linkAt(2), ") = default ;"))) {
                                     func->isDefault(true);
                                     return;
                                 }

test/testsymboldatabase.cpp

@@ -308,6 +308,7 @@ class TestSymbolDatabase: public TestFixture {
         TEST_CASE(symboldatabase81); // #9411
         TEST_CASE(symboldatabase82);
         TEST_CASE(symboldatabase83); // #9431
+        TEST_CASE(symboldatabase84);
 
         TEST_CASE(createSymbolDatabaseFindAllScopes1);
 
@@ -4442,6 +4443,41 @@ class TestSymbolDatabase: public TestFixture {
         ASSERT_EQUALS("", errout.str());
     }
 
+    void symboldatabase84() {
+        {
+            const bool old = settings1.debugwarnings;
+            settings1.debugwarnings = true;
+            GET_SYMBOL_DB("struct a { a() noexcept(false); };\n"
+                          "a::a() noexcept(false) = default;");
+            settings1.debugwarnings = old;
+            const Scope *scope = db->findScopeByName("a");
+            ASSERT(scope);
+            ASSERT(scope->functionList.size() == 1);
+            ASSERT(scope->functionList.front().name() == "a");
+            ASSERT(scope->functionList.front().hasBody() == false);
+            ASSERT(scope->functionList.front().isConstructor() == true);
+            ASSERT(scope->functionList.front().isDefault() == true);
+            ASSERT(scope->functionList.front().isNoExcept() == false);
+            ASSERT_EQUALS("", errout.str());
+        }
+        {
+            const bool old = settings1.debugwarnings;
+            settings1.debugwarnings = true;
+            GET_SYMBOL_DB("struct a { a() noexcept(true); };\n"
+                          "a::a() noexcept(true) = default;");
+            settings1.debugwarnings = old;
+            const Scope *scope = db->findScopeByName("a");
+            ASSERT(scope);
+            ASSERT(scope->functionList.size() == 1);
+            ASSERT(scope->functionList.front().name() == "a");
+            ASSERT(scope->functionList.front().hasBody() == false);
+            ASSERT(scope->functionList.front().isConstructor() == true);
+            ASSERT(scope->functionList.front().isDefault() == true);
+            ASSERT(scope->functionList.front().isNoExcept() == true);
+            ASSERT_EQUALS("", errout.str());
+        }
+    }
+
     void createSymbolDatabaseFindAllScopes1() {
         GET_SYMBOL_DB("void f() { union {int x; char *p;} a={0}; }");
         ASSERT(db->scopeList.size() == 3);