Implemented boolean operators

tests/programs/branch-and.q

@@ -0,0 +1,37 @@
+main() {
+	x := 0
+
+	if x != x && x != x {
+		exit(1)
+	}
+
+	if x == x && x != x {
+		exit(1)
+	}
+
+	if x != x && x == x {
+		exit(1)
+	}
+
+	if x == x && x != x && x != x {
+		exit(1)
+	}
+
+	if x != x && x == x && x != x {
+		exit(1)
+	}
+
+	if x != x && x != x && x == x {
+		exit(1)
+	}
+
+	if x == x && x == x && x == x {
+		exit(0)
+	}
+	
+	exit(1)
+}
+
+exit(x) {
+	syscall(60, x)
+}

tests/programs/branch-combined.q

@@ -0,0 +1,57 @@
+main() {
+	x := 0
+
+	if x == x && x != x || x != x && x != x {
+		exit(1)
+	}
+
+	if x != x && x == x || x != x && x != x {
+		exit(1)
+	}
+
+	if x != x && x != x || x == x && x != x {
+		exit(1)
+	}
+
+	if x != x && x != x || x != x && x == x {
+		exit(1)
+	}
+
+	if (x == x || x != x) && (x != x || x != x) {
+		exit(1)
+	}
+
+	if (x != x || x == x) && (x != x || x != x) {
+		exit(1)
+	}
+
+	if (x != x || x != x) && (x == x || x != x) {
+		exit(1)
+	}
+
+	if (x != x || x != x) && (x != x || x == x) {
+		exit(1)
+	}
+
+	if x != x || x != x || x != x || x == x || x != x {
+		if x + 1 == inc(x) && x - 1 == dec(x) && x == dec(inc(x)) {
+			if (x == x && x != x || x == x && x == x) && (x == x && x == x || x == x && x != x) {
+				exit(0)
+			}
+		}
+	}
+	
+	exit(1)
+}
+
+exit(x) {
+	syscall(60, x)
+}
+
+inc(x) {
+	return x + 1
+}
+
+dec(x) {
+	return x - 1
+}

tests/programs/branch-or.q

@@ -0,0 +1,29 @@
+main() {
+	x := 0
+
+	if x != x || x != x {
+		exit(1)
+	}
+
+	if x != x || x != x || x != x {
+		exit(1)
+	}
+
+	if x == x || x != x {
+		if x != x || x == x {
+			if x == x || x != x || x != x {
+				if x != x || x == x || x != x {
+					if x != x || x != x || x == x {
+						exit(0)
+					}
+				}
+			}
+		}
+	}
+	
+	exit(1)
+}
+
+exit(x) {
+	syscall(60, x)
+}

tests/programs/branch.q

@@ -25,15 +25,15 @@ main() {
 		exit(1)
 	}
 
-	if x >= 1 || 1 <= x {
+	if x >= 1 {
 		exit(1)
 	}
 
-	if x == inc(x) || x == dec(x) {
+	if 1 <= x {
 		exit(1)
 	}
 
-	if inc(0) == x || dec(0) == x || inc(x) == dec(x) {
+	if x + 1 != x + 1 {
 		exit(1)
 	}
 
@@ -41,7 +41,23 @@ main() {
 		exit(1)
 	}
 
-	if x + 1 != x + 1 {
+	if x - 1 != dec(x) {
+		exit(1)
+	}
+
+	if inc(x) != x + 1 {
+		exit(1)
+	}
+
+	if dec(x) != x - 1 {
+		exit(1)
+	}
+
+	if x != inc(dec(x)) {
+		exit(1)
+	}
+
+	if inc(dec(x)) != x {
 		exit(1)
 	}
 

tests/programs_test.go

@@ -23,6 +23,10 @@ var programs = []struct {
 	{"nested-calls.q", "", 4},
 	{"return.q", "", 6},
 	{"reassign.q", "", 2},
+	{"branch.q", "", 0},
+	{"branch-and.q", "", 0},
+	{"branch-or.q", "", 0},
+	{"branch-combined.q", "", 0},
 }
 
 func TestPrograms(t *testing.T) {