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* bug#64922: treesit-query-error due to a recent change to tree-sitter-cmake grammar definition
@ 2023-07-28 20:59 Vincenzo Pupillo
  2023-07-29  7:51 ` Eli Zaretskii
  0 siblings, 1 reply; 7+ messages in thread
From: Vincenzo Pupillo @ 2023-07-28 20:59 UTC (permalink / raw)
  To: 64922

[-- Attachment #1: Type: text/plain, Size: 1097 bytes --]

Hi, a recent commit (commit fe9b5e022950d53cb23959b76c240e1da27ff0a5) changed 
the definition of the cmake grammar, now there is a new node argument_list used 
to wrap nodes of type argument. 
This causes the following error:
Error during redisplay: (jit-lock-function 1) signaled (treesit-query-error 
"Structure error at" 19 "((foreach_command ((argument) @font-lock-constant-
face (#match \"\\\\(?:^\\\\(?:I\\\\(?:N\\\\|TEMS\\\\)\\\\|LISTS\\\\|RANGE\\\\|
ZIP_LISTS\\\\)$\\\\)\" @font-lock-constant-face)))) ((if_command ((argument) 
@font-lock-constant-face (#match \"\\\\(?:^\\\\(?:AND\\\\|COMMAND\\\\|DEFINED\
\\\|E\\\\(?:QUAL\\\\|XISTS\\\\)\\\\|GREATER\\\\(?:_EQUAL\\\\)?\\\\|LESS\\\\
(?:_EQUAL\\\\)?\\\\|MATCHES\\\\|NOT\\\\|OR\\\\|PATH_EQUAL\\\\|STR\\\\(?:EQUAL\
\\\|GREATER\\\\(?:_EQUAL\\\\)?\\\\|LESS\\\\(?:_EQUAL\\\\)?\\\\)\\\\|VERSION_\\
\\(?:EQUAL\\\\|GREATER\\\\(?:_EQUAL\\\\)?\\\\|LESS\\\\(?:_EQUAL\\\\)?\\\\)\\\
\)$\\\\)\" @font-lock-constant-face))))" "Debug the query with `treesit-query-
validate'")

The attached patch supports both the old and the new grammar.
Thanks.
Vincenzo

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From 33a53c86b38624dcfe88aca24f6f1f94ab339463 Mon Sep 17 00:00:00 2001
From: Vincenzo Pupillo <v.pupillo@gmail.com>
Date: Fri, 28 Jul 2023 22:37:02 +0200
Subject: [PATCH] Updated CMake support due to changes in tree-sitter-cmake

A recent change in tree-sitter-cmake grammar support for CMake (commit
fe9b5e0), now put arguments are wrapped in a new argument_list node.
To support the old and new version of the grammar, a new function was
added on which string syntax highlighting now depends.

* lisp/progmodes/cmake-ts-mode.el: (cmake-ts-mode--font-lock-compatibility-fe9b5e0):
  indent helper function for handle different tree-sitter-cmake
  version
* lisp/progmodes/cmake-ts-mode.el: (cmake-ts-mode--font-lock-settings): use the new
  function to handle the new argument_list node.
---
 lisp/progmodes/cmake-ts-mode.el | 54 ++++++++++++++++++++++++---------
 1 file changed, 39 insertions(+), 15 deletions(-)

diff --git a/lisp/progmodes/cmake-ts-mode.el b/lisp/progmodes/cmake-ts-mode.el
index 9d35d8077bd..9fcd8a7a2ab 100644
--- a/lisp/progmodes/cmake-ts-mode.el
+++ b/lisp/progmodes/cmake-ts-mode.el
@@ -31,6 +31,7 @@
 (eval-when-compile (require 'rx))
 
 (declare-function treesit-parser-create "treesit.c")
+(declare-function treesit-query-capture "treesit.c")
 (declare-function treesit-induce-sparse-tree "treesit.c")
 (declare-function treesit-node-child "treesit.c")
 (declare-function treesit-node-start "treesit.c")
@@ -87,6 +88,42 @@
     "VERSION_GREATER_EQUAL" "VERSION_LESS" "VERSION_LESS_EQUAL")
   "CMake if conditions for tree-sitter font-locking.")
 
+(defun cmake-ts-mode--font-lock-compatibility-fe9b5e0 ()
+  "Indent rules helper, to handle different releases of tree-sitter-cmake.
+Check if a node type is available, then return the right indent rules."
+  ;; handle commit fe9b5e0
+  (condition-case nil
+      (progn (treesit-query-capture 'cmake '((argument_list) @capture))
+             `(((foreach_command
+                 ((argument_list) @font-lock-constant-face
+                  (:match ,(rx-to-string
+                            `(seq bol
+                                  (or ,@cmake-ts-mode--foreach-options)
+                                  eol))
+                          @font-lock-constant-face))))
+               ((if_command
+                 ((argument_list) @font-lock-constant-face
+                  (:match ,(rx-to-string
+                            `(seq bol
+                                  (or ,@cmake-ts-mode--if-conditions)
+                                  eol))
+                          @font-lock-constant-face))))))
+    (error
+     `(((foreach_command
+         ((argument) @font-lock-constant-face
+          (:match ,(rx-to-string
+                    `(seq bol
+                          (or ,@cmake-ts-mode--foreach-options)
+                          eol))
+                  @font-lock-constant-face))))
+       ((if_command
+         ((argument) @font-lock-constant-face
+          (:match ,(rx-to-string
+                    `(seq bol
+                          (or ,@cmake-ts-mode--if-conditions)
+                          eol))
+                  @font-lock-constant-face))))))))
+
 (defvar cmake-ts-mode--font-lock-settings
   (treesit-font-lock-rules
    :language 'cmake
@@ -95,21 +132,8 @@
 
    :language 'cmake
    :feature 'builtin
-   `(((foreach_command
-       ((argument) @font-lock-constant-face
-        (:match ,(rx-to-string
-                  `(seq bol
-                        (or ,@cmake-ts-mode--foreach-options)
-                        eol))
-                @font-lock-constant-face))))
-     ((if_command
-       ((argument) @font-lock-constant-face
-        (:match ,(rx-to-string
-                  `(seq bol
-                        (or ,@cmake-ts-mode--if-conditions)
-                        eol))
-                @font-lock-constant-face)))))
-
+   (cmake-ts-mode--font-lock-compatibility-fe9b5e0)
+   
    :language 'cmake
    :feature 'comment
    '([(bracket_comment) (line_comment)] @font-lock-comment-face)
-- 
2.41.0


^ permalink raw reply related	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2023-07-29 19:24 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-07-28 20:59 bug#64922: treesit-query-error due to a recent change to tree-sitter-cmake grammar definition Vincenzo Pupillo
2023-07-29  7:51 ` Eli Zaretskii
2023-07-29  9:13   ` Theodor Thornhill via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-07-29 10:42     ` Eli Zaretskii
2023-07-29 12:22       ` Theodor Thornhill via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-07-29 19:19         ` Theodor Thornhill via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-07-29 19:24           ` Eli Zaretskii

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