(or (treesit-parser-create language)
(error "Cannot find a parser for %s" language))
is turned into
(treesit-parser-create language)
because treesit-parser-create never returns nil. (We used to use
treesit-get-parser which don't create parser automatically.)
* lisp/treesit.el (treesit-buffer-root-node): Replace error with signal.
* doc/lispref/parsing.texi (Multiple Languages): Extend and update
manual.
* lisp/treesit.el (treesit-range-functions): Remove variable.
(treesit-range-settings): New variable.
(treesit-range-rules): New function.
(treesit--merge-ranges): New function.
(treesit-update-ranges): Use treesit-range-settings instead of
treesit-range-functions.
(treesit-font-lock-rules): Fix docstring.
(treesit-indent)
(treesit-indent-region): Only update ranges in a region.
* test/src/treesit-tests.el (treesit-range): New test.
* doc/lispref/modes.texi (Parser-based Font Lock): Update manual.
* lisp/progmodes/js.el (js--fontify-template-string)
* lisp/progmodes/python.el (python--treesit-fontify-string): Update
function to only fontify within the region.
* lisp/treesit.el (treesit-font-lock-rules): Update docstring.
(treesit-font-lock-fontify-region): Pass START and END to
fontification functions.
* lisp/progmodes/python.el: Remove function.
(python--treesit-settings): Capture contextual node.
* lisp/treesit.el (treesit--set-nonsticky):
(treesit-font-lock-contextual-post-process): New functions.
(treesit-font-lock-fontify-region): Change local variable START and
END to NODE-START and NODE-END, handle special capture name
"contextual".
* doc/lispref/modes.texi (Parser-based Font Lock): Update manual.
Change from
(START END NODE OVERRIDE &rest _)
to
(NODE OVERRIDE &rest _)
START and END aren't used frequently enough to justify. If a
fontification function needs them, it can get them from NODE.
* doc/lispref/modes.texi (Parser-based Font Lock): Update manual.
* lisp/progmodes/js.el (js--fontify-template-string)
* lisp/progmodes/python.el (python--treesit-fontify-string)
(python--treesit-fontify-string-end): Change signature.
* lisp/treesit.el (treesit-font-lock-rules): Update docstring.
(treesit-font-lock-fontify-region): Remove START and END arguments.
Rather than querying on the smallest node that spans START to END, we
query on the root node between START to END.
* lisp/progmodes/python.el (python--treesit-fontify-string): Accept
the string rather than the quote node.
(python--treesit-settings): Capture the string rather than the quote
node.
* lisp/treesit.el (treesit-font-lock-fontify-region): Query the root
node rather than the smallest node.
Before this change, we rebind font-lock-fontify-region-function and
call font-lock's function in tree-sitter's function, and the order of
fontification is tree-sitter, font-lock syntax, font-lock regexp.
Now we make font-lock's syntax function customizable and replace it
with tree-sitter's function, and the order of fontification is
tree-sitter, font-lock regexp.
* doc/lispref/modes.texi (Parser-based Font Lock): Reflect the change
in manual.
* lisp/font-lock.el (font-lock-fontify-syntactically-function): New
varaible.
(font-lock-default-fontify-region): Call
font-lock-fontify-syntactically-function rather.
(font-lock-fontify-syntactically-region): Rename to
font-lock-default-fontify-syntactically
(font-lock-default-fontify-syntactically): Rename to this.
* lisp/treesit.el (treesit-font-lock-fontify-region): Don't call
font-lock functions.
(treesit-font-lock-enable): Remove this function. It is not used even
before this change.
(treesit-major-mode-setup): Instead of binding
font-lock-fontify-region-function, now bind to
font-lock-fontify-syntactically-function. And we can let font-lock do
it's thing.
* lisp/treesit.el (tresit--font-lock-verbose): New variable.
(treesit-font-lock-fontify-region): Take tresit--font-lock-verbose
into account. Return jit-lock-bounds.
Originally treesit-simple-indent-presets was
'((parent-is . (lambda (type)
`(lambda (n p b)
(equal (treesit-node-type p)
,type)))))
Then I changed it to
`((parent-is . ,(byte-compile
(lambda (type)
(lambda (n p b)
(equal (treesit-node-type p)
type))))))
but that generates "function already compiled" warning when
byte-compiling treesit.el. The latest form shouldn't have any problem
anymore.
* lisp/treesit.el (treesit-simple-indent-presets): Change byte-compile
to plain evaluation.
* doc/lispref/modes.texi (Parser-based Indentation): Document the
semantic clearly.
* lisp/treesit.el (treesit-simple-indent-presets): Replace with
current-indentation.
(treesit--indent-1): Now NODE always starts at BOL, and parent is
always the smallest node above NODE that spans BOL.
(treesit-indent): Don't use save-excurtion, no one else does.
* lisp/treesit.el (treesit-simple-indent-presets): Remove extra comma.
(treesit--indent-1): Return (ANCHOR . OFFSET) instead of column.
(treesit-indent): Accept (ANCHOR . OFFSET) from treesit--indent-1.
(treesit--indent-region-batch-size): Reduce to 400.
(treesit-indent-region): Put a marker on each line's ANCHOR and
compute the indentation with ANCHOR + OFFSET. Precomputing column
gives wrong indentation when the ANHOR line doesn't have correct
indent yet.
Now indenting a large buffer is reasonably fast.
* lisp/treesit.el (treesit-indent): Move meat to treesit--indent-1.
(treesit--indent-1)
(treesit-indent-region): New functions.
(treesit-major-mode-setup): Setup indent-region-function.
Also minor improvement of tree-sitter-indent error messaging.
* lisp/progmodes/js.el (js--treesit-indent-rules): Fix it so it works
with the new presets (which expects regexps).
(js--treesit-cc-indent-rules): Remove variable.
(js-mode): Go back to js--treesit-indent-rules.
* lisp/treesit.el (treesit-indent): Don't report error message when
ANCHOR or OFFSET is nil: let treesit-simple-indent display the
message.
(treesit-simple-indent): Remove cc-mode integration. Display error
message when no rules matches.
Now tree-sitter indentation can produce a cc-engine syntax symbol and
use c-offset-alist to compute the offset. Catch: line-up functions
don't work with tree-sitter.
* lisp/progmodes/js.el (js--treesit-cc-indent-rules): New variable.
(js-mode): Use cc-indent rules by default.
* lisp/treesit.el (treesit-simple-indent-presets): Consider types as
regexp now. New matchers: n-p-gp, field-is, top-level, catch-all.
New anchors: nth-sibling, grand-parent, and, or, not, list.
first-sibling now returns the actual first sibling rather than the
first named sibling.
* lisp/treesit.el (treesit-search-forward-goto): Track current
position with a local variable instead of (point). Clean up the
condition forms.
(treesit-beginning-of-defun): Fix traverse direction.
* lisp/treesit.el (treesit-language-at-point-function): New local
variable.
(treesit-language-at): Change to use
treesit-language-at-point-function rather than trying each parser
one-by-one.
* doc/lispref/parsing.texi (Multiple Languages): Update manual.
This version: central variable, everything controlled by
treesit-settings. Major mode sets up tree-sitter/non-tree-sitter
in a conditional branch, based on the setting.
* lisp/treesit.el (treesit-settings): New option.
(treesit-defun-type-regexp): Change docstring.
(treesit-mode-supported)
(treesit-required-languages)
(treesit--local-variable-backup): Remove variables.
(treesit--backup-local-variable)
(treesit-mode)
(global-treesit-mode--turn-on)
(global-treesit-mode): Remove functions.
(treesit--setting-for-mode): New function.
(treesit-ready-p): New argument MODE, changed REPORT to QUIET, and
LANGUAGEs to LANGUAGE (now it can be a single symbol or a list of
them).
(treesit-major-mode-setup): New function. Mostly comes from
treesit-mode.
* test/src/treesit-tests.el (treesit-misc): New test.
* lisp/progmodes/python.el (python-mode): Move some setup code into
the conditional branch at the end.
* lisp/progmodes/js.el (js-json-mode)
(js-mode): Move some setup code into the conditional branch at the
end.
* lisp/progmodes/ts-mode.el: Move tree-sitter setup into the
conditional branch.
Now they always move to the top-level defun (i.e., skips nested ones).
* lisp/treesit.el (treesit--find-top-level-match): New function
(treesit-beginning-of-defun): Goes to the top-level match.
(treesit-end-of-defun): Simply move to the end of current match.
With NODE argument we can do
(setq node (treesit-search-forward-goto node))
And we can choose what node to pass to it (maybe we want to pass it
the largest node at point, rather than the smallest node, and in case
of multiple parsers, we can choose which parser to use).
* doc/lispref/parsing.texi (Retrieving Node): Update manual.
* lisp/treesit.el (treesit-search-forward-goto): Accept a NODE
argument.
* doc/lispref/parsing.texi (Retrieving Node): Update manual.
* lisp/treesit.el (treesit-node-at): Add a (when node) form just to be
explicit, return the last leaf node if there is no node after POS.
Justification: We want to make the SIDE argument in
treesit-search-forward-goto optional, so I changed it to START.
It makes more sense for BACKWARD to follow START so two common
case, search for end forward and beginning backwards are
(treesit-search-forward-goto node pred)
(treesit-search-forward-goto node pred t t)
Then since we swapped BACKWARD and ALL for
treesit-search-forward-goto, it's best to swap them for
treesit-search-forward and treesit-search-subtree, too. And BACKWARD
will probably be used more frequently than ALL anyway.
* doc/lispref/parsing.texi (Retrieving Node): Resolve FIXME and update
function signitures.
* lisp/treesit.el (treesit-search-forward-goto): Change SIDE to
START, swap BACKWARD and ALL.
(treesit-beginning-of-defun)
(treesit-end-of-defun): Update use of treesit-search-forward-goto
* src/treesit.c (Ftreesit_search_subtree)
(Ftreesit_search_forward): Swap BACKWARD and ALL.
* lisp/treesit.el (treesit-search-forward-goto): Remove UP argument.
* src/treesit.c (treesit_traverse_child_helper): New function.
(treesit_search_forward): Remove UP_ONLY and SKIP_START argument.
Don't traverse subtree of START. And after we've found the next
sibling/parent, go down to the first leaf node. Also change recursion
to loop.
(Ftreesit_search_forward): Change docstring, remove UP argument.
* doc/lispref/parsing.texi (Parsing Program Source):
* doc/lispref/modes.texi (Font Lock Mode)
(Parser-based Font Lock): Fix wording, punctuation, and markup.
Add index entries.
* lisp/treesit.el (treesit-node-at, treesit-language-at): Rename
argument POINT to POS.
Now instead of a toggle function (major-mode-backend-function), we let
major mode set local variables like treesit-font-lock-settings,
treesit-imenu-function, then treesit-mode takes care of activating
those things (clearing font-lock-keywords, setting
imenu-create-index-function to treesit-imenu-function, etc).
js.el and python.el: I've returned js-mode and python-mode to exactly
what they were before tree-sitter change, plus lines at the end
setting up tree-sitter variables. Sorry about all these fuss :-D
* lisp/treesit.el (treesit-mode-inhibit-message): Remove option.
(major-mode-backend-function)
(treesit-remapped-major-mode-alist): Remove variables.
(treesit-mode): Move down to the end of buffer. Do more things.
(global-treesit-mode): Move down to the end of buffer. Don't handle
major-mode-remap-alist anymore.
(global-treesit-mode--turn-on): Move down to the end of buffer.
(treesit-ready-p): Move down to the end of buffer. Changed signature.
(treesit-font-lock-enable): Remove function.
(treesit-defun-type-regexp): New variable.
(treesit-beginning-of-defun)
(treesit-end-of-defun): New function.
(treesit-imenu-function): New variable.
(treesit-mode-supported)
(treesit-required-languages)
(treesit--local-variable-backup): New variables.
(treesit--backup-local-variable): New function
* lisp/progmodes/js.el (js-use-tree-sitter): Remove option.
(js--treesit-defun-type-regexp): Remove variable. (Now set inline in
js-mode.)
(js--treesit-beginning-of-defun)
(js--treesit-end-of-defun): Remove functions. (Now use
treesit-beginning/end-of-defun.)
(js--backend-toggle)
(js--json-backend-toggle): Remove function.
(js-mode)
(js-json-mode): Restore back to before tree-sitter changes. Add
tree-sitter setup at the end.
* lisp/progmodes/python.el (python--backend-toggle): Remove function.
(python-mode): Restore back to before tree-sitter changes. Add
tree-sitter setup at the end.
* lisp/progmodes/ts-mode.el (ts-mode--font-lock-settings): Use
js--fontify-template-string.
(ts-mode--fontify-template-string): Remove function (because we can
just use js--fontify-template-string).
(ts-mode--defun-type-regexp): Remove variable (now set inline in
ts-mode).
(ts-mode--beginning-of-defun)
(ts-mode--end-of-defun): Remove functions (now using
treesit-beginning/end-of-defun).
(ts-mode): Setup tree-sitter variables and then turn on treesit-mode
or move to js-mode.
