Add comparison, bitwise and ternary operators

Author: dontru

src/operators.wat

@@ -1,5 +1,7 @@
 (module
 
+  ;; ARITHMETIC
+
   ;; int add(int a, int b) {
   ;;   return a + b;
   ;; }
@@ -39,4 +41,125 @@
     (i32.rem_s
       (get_local $a)
       (get_local $b)))
+
+
+  ;; COMPARISON
+
+  ;; bool compareEqual(int a, int b) {
+  ;;   return a == b;
+  ;; }
+  (func $compareEqual (param $a i32) (param $b i32) (result i32)
+    (i32.eq
+      (get_local $a)
+      (get_local $b)))
+
+  ;; bool compareUnequal(int a, int b) {
+  ;;   return a != b;
+  ;; }
+  (func $compareUnequal (param $a i32) (param $b i32) (result i32)
+    (i32.ne
+      (get_local $a)
+      (get_local $b)))
+
+  ;; bool lessThan(int a, int b) {
+  ;;   return a < b;
+  ;; }
+  (func $lessThan (param $a i32) (param $b i32) (result i32)
+    (i32.lt_s
+      (get_local $a)
+      (get_local $b)))
+
+  ;; bool lessThanOrEqual(int a, int b) {
+  ;;   return a <= b;
+  ;; }
+  (func $lessThanOrEqual (param $a i32) (param $b i32) (result i32)
+    (i32.le_s
+      (get_local $a)
+      (get_local $b)))
+
+  ;; bool greaterThan(int a, int b) {
+  ;;   return a > b;
+  ;; }
+  (func $greaterThan (param $a i32) (param $b i32) (result i32)
+    (i32.gt_s
+      (get_local $a)
+      (get_local $b)))
+
+  ;; bool greaterThanOrEqual(int a, int b) {
+  ;;   return a >= b;
+  ;; }
+  (func $greaterThanOrEqual (param $a i32) (param $b i32) (result i32)
+    (i32.ge_s
+      (get_local $a)
+      (get_local $b)))
+
+  ;; bool compareEqualToZero(int a) {
+  ;;   return a == 0;
+  ;; }
+  (func $compareEqualToZero (param $a i32) (result i32)
+    (i32.eqz
+      (get_local $a)))
+
+
+  ;; BITWISE
+
+  ;; int bitwiseAnd(int a, int b) {
+  ;;   return a & b;
+  ;; }
+  (func $bitwiseAnd (param $a i32) (param $b i32) (result i32)
+    (i32.and
+      (get_local $a)
+      (get_local $b)))
+
+  ;; int bitwiseInclusiveOr(int a, int b) {
+  ;;   return a | b;
+  ;; }
+  (func $bitwiseInclusiveOr (param $a i32) (param $b i32) (result i32)
+    (i32.or
+      (get_local $a)
+      (get_local $b)))
+
+  ;; int bitwiseExclusiveOr(int a, int b) {
+  ;;   return a ^ b;
+  ;; }
+  (func $bitwiseExclusiveOr (param $a i32) (param $b i32) (result i32)
+    (i32.xor
+      (get_local $a)
+      (get_local $b)))
+
+  ;; int bitwiseNot(int a) {
+  ;;   return ~a;
+  ;; }
+  (func $bitwiseNot (param $a i32) (result i32)
+    (i32.xor
+      (get_local $a)
+      (i32.const -1)))
+
+  ;; int shiftLeft(int a, int b) {
+  ;;   return a << b;
+  ;; }
+  (func $shiftLeft (param $a i32) (param $b i32) (result i32)
+    (i32.shl
+      (get_local $a)
+      (get_local $b)))
+
+  ;; int shiftRight(int a, int b) {
+  ;;   return a >> b;
+  ;; }
+  (func $shiftRight (param $a i32) (param $b i32) (result i32)
+    (i32.shr_s
+      (get_local $a)
+      (get_local $b)))
+
+
+  ;; TERNARY
+
+  ;; int ternaryOperator(bool a) {
+  ;;   return a ? 3 : 4;
+  ;; }
+  (func $ternaryOperator (param $a i32) (result i32)
+    (select
+      (i32.const 3)
+      (i32.const 4)
+      (get_local $a)))
 )