From 36bbf518420918e965d11dad3d3f194803c47731 Mon Sep 17 00:00:00 2001
From: Chris Grieser <73286100+chrisgrieser@users.noreply.github.com>
Date: Wed, 19 Feb 2025 18:37:18 +0100
Subject: [PATCH] feat(yaml): capture "boolean strings" (#7512)

See for example: https://www.bram.us/2022/01/11/yaml-the-norway-problem/
values based on: https://yamllint.readthedocs.io/en/stable/rules.html#module-yamllint.rules.truthy

Parser targets YAML 1.2, which has stricter promotions.
---
 queries/yaml/highlights.scm | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/queries/yaml/highlights.scm b/queries/yaml/highlights.scm
index d41068359..9aed59ce4 100644
--- a/queries/yaml/highlights.scm
+++ b/queries/yaml/highlights.scm
@@ -80,3 +80,20 @@
   "---"
   "..."
 ] @punctuation.special
+
+; help deal with for yaml's norway problem https://www.bram.us/2022/01/11/yaml-the-norway-problem/
+; only using `true` and `false`, since Treesitter parser targets YAML spec 1.2 https://github.com/nvim-treesitter/nvim-treesitter/pull/7512#issuecomment-2565397302
+(block_mapping_pair
+  value: (block_node
+    (block_sequence
+      (block_sequence_item
+        (flow_node
+          (plain_scalar
+            (string_scalar) @boolean
+            (#any-of? @boolean "TRUE" "FALSE" "True" "False")))))))
+
+(block_mapping_pair
+  value: (flow_node
+    (plain_scalar
+      (string_scalar) @boolean
+      (#any-of? @boolean "TRUE" "FALSE" "True" "False"))))