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, 20 insertions, 20 deletions

diff --git a/runtime/queries/dart/indents.scm b/runtime/queries/dart/indents.scm
new file mode 100644
index 00000000..14c6a375
--- /dev/null
+++ b/runtime/queries/dart/indents.scm
@@ -0,0 +1,20 @@
+[
+  (class_body)
+  (function_body)
+  (function_expression_body)
+  (declaration)
+  (initializers)
+  (switch_block)
+  (if_statement)
+  (formal_parameter_list)
+  (formal_parameter)
+  (list_literal)
+  (return_statement)
+  (arguments)
+] @indent
+
+[
+  "}"
+  "]"
+  ")"
+] @outdent
diff --git a/runtime/queries/dart/indents.toml b/runtime/queries/dart/indents.toml
deleted file mode 100644
index 5c11e05d..00000000
--- a/runtime/queries/dart/indents.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-indent = [
-  "class_body",
-  "function_body",
-  "function_expression_body",
-  "declaration",
-  "initializers",
-  "switch_block",
-  "if_statement",
-  "formal_parameter_list",
-  "formal_parameter",
-  "list_literal",
-  "return_statement",
-  "arguments"
-]
-
-outdent = [
- "}",
- "]",
- ")"
-]