Indentation rework (#1562)

* WIP: Rework indentation system

* Add ComplexNode for context-aware indentation (including a proof of concept for assignment statements in rust)

* Add switch statements to Go indents.toml (fixes the second half of issue #1523)
Remove commented-out code

* Migrate all existing indentation queries.
Add more options to ComplexNode and use them to improve C/C++ indentation.

* Add comments & replace Option<Vec<_>> with Vec<_>

* Add more detailed documentation for tree-sitter indentation

* Improve code style in indent.rs

* Use tree-sitter queries for indentation instead of TOML config.
Migrate existing indent queries.

* Add documentation for the new indent queries.
Change xtask docgen to look for indents.scm instead of indents.toml

* Improve code style in indent.rs.
Fix an issue with the rust indent query.

* Move indentation test sources to separate files.
Add `#not-kind-eq?`, `#same-line?` and `#not-same-line` custom predicates.
Improve the rust and c indent queries.

* Fix indent test.
Improve rust indent queries.

* Move indentation tests to integration test folder.

* Improve code style in indent.rs.
Reuse tree-sitter cursors for indentation queries.

* Migrate HCL indent query

* Replace custom loading in indent tests with a designated languages.toml

* Update indent query file name for --health command.

* Fix single-space formatting in indent queries.

* Add explanation for unwrapping.

Co-authored-by: Triton171 <triton0171@gmail.com>

2 files changed, 24 insertions, 24 deletions

diff --git a/runtime/queries/lua/indents.scm b/runtime/queries/lua/indents.scm
new file mode 100644
index 00000000..55a812c5
--- /dev/null
+++ b/runtime/queries/lua/indents.scm
@@ -0,0 +1,24 @@
+[
+  (function_definition)
+  (variable_declaration)
+  (local_variable_declaration)
+  (field)
+  (local_function)
+  (function)
+  (if_statement)
+  (for_statement)
+  (for_in_statement)
+  (repeat_statement)
+  (return_statement)
+  (while_statement)
+  (table)
+  (arguments)
+  (do_statement)
+] @indent
+
+[
+  "end"
+  "until"
+  "}"
+  ")"
+] @outdent
diff --git a/runtime/queries/lua/indents.toml b/runtime/queries/lua/indents.toml
deleted file mode 100644
index df1a9752..00000000
--- a/runtime/queries/lua/indents.toml
+++ /dev/null
@@ -1,24 +0,0 @@
-indent = [
-  "function_definition",
-  "variable_declaration",
-  "local_variable_declaration",
-  "field",
-  "local_function",
-  "function",
-  "if_statement",
-  "for_statement",
-  "for_in_statement",
-  "repeat_statement",
-  "return_statement",
-  "while_statement",
-  "table",
-  "arguments",
-  "do_statement",
-]
-
-oudent = [
-  "end",
-  "until",
-  "}",
-  ")",
-]