Eli Zaretskii <eliz@gnu.org> writes: >> From: Wang Diancheng <dianchengwang@gmail.com> >> Date: Mon, 24 Jul 2023 12:49:06 +0800 >> >> I use the latest tree-sitter and tree-sitter modules. >> Only preprocessor instructions and comments are highlighted, please see >> attached >> screenshot. BTW c-ts-mode highlight is OK. >> >> Following are values of treesit-font-lock-feature-list and >> treesit-font-lock-level: >> >> treesit-font-lock-feature-list is a variable defined in âtreesit.elâ. >> >> Its value is >> ((comment definition) (keyword preprocessor string type) >> (assignment constant escape-sequence label literal) >> (bracket delimiter error function operator property variable)) >> Local in buffer sql_select.cc; global value is nil >> >> treesit-font-lock-level is a variable defined in âtreesit.elâ. >> >> Its value is 3 > > Thanks. > > Yuan, Theo: can you please look into this? I can confirm the above > behavior, and I also see it in the very first pretest 29.0.90. So > either some change broke c++-ts-mode before April, or maybe the latest > changes in the C++ grammar library did that. treesit-explore-mode > seems to show that the code is parsed correctly, so why aren't > fontifications working? With the version of the grammar on my system everything worked perfectly, but I updated the grammar, and now I can reproduce. So it seems something upstream broke it. I'll bisect tree-sitter-cpp and figure out whats breaking it. Thanks, Theo
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