Fixed danmar#6280 (MathLib: binary literals are integers)

Author: IOBYTE

lib/mathlib.cpp

@@ -505,7 +505,7 @@ bool MathLib::isDec(const std::string & s)
 
 bool MathLib::isInt(const std::string & s)
 {
-    return isDec(s) || isHex(s) || isOct(s);
+    return isDec(s) || isHex(s) || isOct(s) || isBin(s);
 }
 
 std::string MathLib::add(const std::string & first, const std::string & second)

test/testmathlib.cpp

@@ -274,6 +274,8 @@ class TestMathLib : public TestFixture {
 
         ASSERT_EQUALS(true , MathLib::isInt("0xff"));
         ASSERT_EQUALS(true , MathLib::isInt("0xa"));
+        ASSERT_EQUALS(true , MathLib::isInt("0b1000"));
+        ASSERT_EQUALS(true , MathLib::isInt("0B1000"));
         ASSERT_EQUALS(true , MathLib::isInt("0l"));
         ASSERT_EQUALS(true , MathLib::isInt("0L"));
         ASSERT_EQUALS(true , MathLib::isInt("0ul"));