tokenizer: Remove redundant parantheses around number. Ticket: #105

src/tokenize.cpp

@@ -849,8 +849,9 @@ void Tokenizer::simplifyTokenList()
 
 
     // Simple calculations..
-    for (bool done = false; !done; done = true)
+    for (bool done = false; !done; )
     {
+        done = true;
         for (Token *tok = _tokens; tok; tok = tok->next())
         {
             if (Token::simpleMatch(tok->next(), "* 1") || Token::simpleMatch(tok->next(), "1 *"))
@@ -896,6 +897,15 @@ void Tokenizer::simplifyTokenList()
 
                 done = false;
             }
+
+            // Remove parantheses around number..
+            if (!tok->isName() && Token::Match(tok->next(), "( %num% )"))
+            {
+                tok->deleteNext();
+                tok = tok->next();
+                tok->deleteNext();
+                done = false;
+            }
         }
     }
 

test/testsimplifytokens.cpp

@@ -42,6 +42,7 @@ private:
         TEST_CASE(combine_strings);
         TEST_CASE(double_plus);
         TEST_CASE(redundant_plus);
+        TEST_CASE(parantheses1);
     }
 
     std::string tok(const char code[])
@@ -281,6 +282,13 @@ private:
             ASSERT_EQUALS("void foo ( int a , int b ) { a = a - b ; } ", tok(code1));
         }
     }
+
+
+    void parantheses1()
+    {
+        const char code1[] = "<= (10+100);";
+        ASSERT_EQUALS("<= 110 ; ", tok(code1));
+    }
 };
 
 REGISTER_TEST(TestSimplifyTokens)