Test conditionals in C backend

builtin/builtin.c

@@ -1,9 +1,10 @@
 /* START builtins */
 #include "stdio.h"
+#include <stdbool.h>
 
 void _printf(char *msg)
 {
     printf(msg);
 }
 
-/* END builtins */
+/* END builtins */

examples/playground.sb

@@ -1,3 +1,11 @@
 fn main(n: int) {
     _printf("Hello World!\n")
+
+    if n > 2 {
+        _printf("Larger than 2\n")
+    } else if n == 2 {
+        _printf("Is 2\n")
+    } else {
+        _printf("Less than 2\n")
+    }
 }

src/generator/c.rs

@@ -228,14 +228,14 @@ fn generate_bin_op(left: Expression, op: BinOp, right: Expression) -> String {
         BinOp::Addition => "+",
         BinOp::And => "&&",
         BinOp::Division => "/",
-        BinOp::Equal => "===",
+        BinOp::Equal => "==",
         BinOp::GreaterThan => ">",
         BinOp::GreaterThanOrEqual => ">=",
         BinOp::LessThan => "<",
         BinOp::LessThanOrEqual => "<=",
         BinOp::Modulus => "%",
         BinOp::Multiplication => "*",
-        BinOp::NotEqual => "!==",
+        BinOp::NotEqual => "!=",
         BinOp::Or => "||",
         BinOp::Subtraction => "-",
     };

src/parser/tests.rs

@@ -605,3 +605,18 @@ fn test_function_with_return_type() {
     assert!(tree.is_ok());
     assert_eq!(tree.unwrap().func[0].ret_type, Some(Type::Int));
 }
+
+#[test]
+#[ignore]
+fn test_booleans_in_function_call() {
+    let raw = "
+    if n > 2 {
+        _printf(true)
+    } else {
+        _printf(true)
+    }
+    ";
+    let tokens = tokenize(raw);
+    let tree = parse(tokens, Some(raw.to_string()));
+    assert!(tree.is_ok());
+}