From df5be2f8176f6ad5ff727bf570d6c511d8452609 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Mon, 16 Feb 2026 23:16:12 +0900
Subject: implement paren grouping

---
 src/jq/parse.zig |  6 ++++++
 src/root.zig     | 19 +++++++++++++++++++
 2 files changed, 25 insertions(+)

(limited to 'src')

diff --git a/src/jq/parse.zig b/src/jq/parse.zig
index 17138ae..1e5942d 100644
--- a/src/jq/parse.zig
+++ b/src/jq/parse.zig
@@ -382,6 +382,12 @@ const Parser = struct {
                 object_node.* = .{ .literal = idx };
                 return object_node;
             },
+            .paren_left => {
+                _ = try self.tokens.next();
+                const inner = try self.parseQuery();
+                _ = try self.tokens.expect(.paren_right);
+                return inner;
+            },
             .field => |name| {
                 _ = try self.tokens.next();
                 const is_optional = self.tokens.consumeIf(.question);
diff --git a/src/root.zig b/src/root.zig
index e7e0f6b..4bae2e5 100644
--- a/src/root.zig
+++ b/src/root.zig
@@ -529,3 +529,22 @@ test "disasm constants" {
         \\
     , "false");
 }
+
+test "parentheses" {
+    try testRun("123", "123", "(.)");
+    try testRun("null", "null", "(.)");
+
+    try testRun("9", "null", "(1 + 2) * 3");
+    try testRun("7", "null", "1 + 2 * 3");
+    try testRun("6", "null", "(1 + 2) | . * 2");
+    try testRun("12", "null", "((1 + 2)) * (3 + 1)");
+    try testRun("3", "{\"a\":1,\"b\":2}", "(.a + .b) | . + 0");
+    try testRunMultiple(&.{ "1", "2" }, "null", "(1, 2)");
+
+    try testRun(
+        \\[
+        \\  2,
+        \\  4
+        \\]
+    , "null", "[(1, 2) * 2]");
+}
-- 
cgit v1.3-1-g0d28