feat(Evaluator): add strict comparaison operators

README.md

@@ -41,6 +41,7 @@ ToDo List:
 - [ ] add basic number list support
 - [ ] add fully features strings support
 - [ ] add [classic problem solving](https://rosettacode.org) with code examples
+- [ ] add Web Assembly support and publish a demo website
 
 ## Installation
 

examples/sequence.ltor

@@ -1,5 +1,5 @@
 set i to 0
-while !(i = 10) do
+while i < 10 do
     print_number(i)
     set i to i+1
 end

src/operate.c

@@ -14,7 +14,9 @@ int is_operator(char candidate) {
         candidate == '=' ||
         candidate == '!' ||
         candidate == '&' ||
-        candidate == '|'
+        candidate == '|' ||
+        candidate == '>' ||
+        candidate == '<'
     );
 }
 
@@ -83,6 +85,10 @@ int operate(
             res = m_float_pow(a, b);
         } else if (operator == '=') {
             res = (int) (a == b);
+        } else if (operator == '>') {
+            res = (int) (a > b);
+        } else if (operator == '<') {
+            res = (int) (a < b);
         } else {
             return 2;
         }
@@ -105,6 +111,10 @@ int operate(
             res = integer_pow(aRepr, bRepr);
         } else if (operator == '=') {
             res = (int) (aRepr == bRepr);
+        } else if (operator == '<') {
+            res = (int) (aRepr < bRepr);
+        } else if (operator == '>') {
+            res = (int) (aRepr > bRepr);
         } else {
             return 2;
         }

tests/test_evaluation.c

@@ -121,4 +121,16 @@ void test_evaluation()
     evaluate(state, "1 & (1 | 0)", &resVal, &resType);
     assert(resType == TYPE_INT);
     assert(1 == resVal);
+
+    evaluate(state, "0 > 0", &resVal, &resType);
+    assert(resType == TYPE_INT);
+    assert(0 == resVal);
+
+    evaluate(state, "-45 < 1", &resVal, &resType);
+    assert(resType == TYPE_INT);
+    assert(1 == resVal);
+
+    evaluate(state, "5 > 0", &resVal, &resType);
+    assert(resType == TYPE_INT);
+    assert(1 == resVal);
 }