From 79a4a02b58206b086ee3be4af399572bf6992b87 Mon Sep 17 00:00:00 2001
From: "K. Lange" <klange@toaruos.org>
Date: Wed, 20 Jul 2022 09:21:21 +0900
Subject: [PATCH] Resolve long-standing left/right binding issue with '**'

---
 src/compiler.c          | 2 +-
 test/testPow.krk        | 1 +
 test/testPow.krk.expect | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 test/testPow.krk
 create mode 100644 test/testPow.krk.expect

diff --git a/src/compiler.c b/src/compiler.c
index cad094f..fed6db8 100644
--- a/src/compiler.c
+++ b/src/compiler.c
@@ -812,7 +812,7 @@ static void compare(int exprType, RewindState *rewind) {
 static void binary(int exprType, RewindState *rewind) {
 	KrkTokenType operatorType = parser.previous.type;
 	ParseRule * rule = getRule(operatorType);
-	parsePrecedence((Precedence)(rule->precedence + 1));
+	parsePrecedence((Precedence)(rule->precedence + (rule->precedence != PREC_EXPONENT)));
 	invalidTarget(exprType, "operator");
 
 	switch (operatorType) {
diff --git a/test/testPow.krk b/test/testPow.krk
new file mode 100644
index 0000000..8958df4
--- /dev/null
+++ b/test/testPow.krk
@@ -0,0 +1 @@
+print(2**3**4)
diff --git a/test/testPow.krk.expect b/test/testPow.krk.expect
new file mode 100644
index 0000000..5305e62
--- /dev/null
+++ b/test/testPow.krk.expect
@@ -0,0 +1 @@
+2417851639229258349412352