Add tree-sitter intergration

* configure.ac (HAVE_TREE_SITTER, TREE_SITTER_OBJ): New variables.
(DYNAMIC_LIB_SUFFIX): new variable, I copied code from MODULES_SUFFIX
so the diff looks this way.
* doc/lispref/elisp.texi (Top): Add tree-sitter manual.
* doc/lispref/modes.texi (Font Lock Mode): mention tree-sitter.
(Parser-based Font Lock): New section.
(Auto-Indentation): Mention tree-sitter.
(Parser-based Indentation): New section.
* doc/lispref/parsing.texi (Parsing Program Source): New chapter.
* lisp/emacs-lisp/cl-preloaded.el (cl--typeof-types): Add
treesit-parser and treesit-node type.
* lisp/treesit.el: New file.
* src/Makefile.in (TREE_SITTER_LIBS, TREE_SITTER_FLAGS,
TREE_SITTER_OBJ): New variables.
* src/alloc.c:
(cleanup_vector): Add cleanup code for treesit-parser and
treesit-node.
* src/casefiddle.c (casify_region): Notify tree-sitter parser of
buffer change.
* src/data.c (Ftype_of): Add treesit-parser and treesit-node type
(Qtreesit_parser, Qtreesit_node): New symbol.
* src/emacs.c (main): Add symbols in treesit.c.
* src/eval.c (define_error): Move the function to here.
* src/insdel.c (insert_1_both, insert_from_string_1, insert_from_gap,
insert_from_buffer_1, replace_range, del_range_2): Notify tree-sitter
parser of buffer change.
* src/json.c (define_error): Move this function out.
* src/lisp.h (DEFINE_GDB_SYMBOL_BEGIN): Add treesit-parser and
treesit-node.
* src/lread.c (Vdynamic_library_suffixes): New variable.
* src/print.c (print_vectorlike): Add code for printing
treesit-parser and treesit-node.
* src/treesit.c: New file.
* src/treesit.h: New file.
* test/src/treesit-tests.el: New file.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/lread.c b/src/lread.c
index 0486a98883c..8989e2d12dd 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -5196,6 +5196,14 @@ to the specified file name if a suffix is allowed or required.  */);
     Fcons (build_pure_c_string (MODULES_SECONDARY_SUFFIX), Vload_suffixes);
 #endif
 
+  DEFVAR_LISP ("dynamic-library-suffixes", Vdynamic_library_suffixes,
+	       doc: /* A list of suffixes for loadable dynamic libraries.  */);
+  Vdynamic_library_suffixes =
+    Fcons (build_pure_c_string (DYNAMIC_LIB_SECONDARY_SUFFIX), Qnil);
+  Vdynamic_library_suffixes =
+    Fcons (build_pure_c_string (DYNAMIC_LIB_SUFFIX),
+	   Vdynamic_library_suffixes);
+
 #endif
   DEFVAR_LISP ("module-file-suffix", Vmodule_file_suffix,
 	       doc: /* Suffix of loadable module file, or nil if modules are not supported.  */);