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, 38 insertions, 39 deletions

diff --git a/runtime/queries/python/indents.scm b/runtime/queries/python/indents.scm
new file mode 100644
index 00000000..810ff52f
--- /dev/null
+++ b/runtime/queries/python/indents.scm
@@ -0,0 +1,38 @@
+[
+  (list)
+  (tuple)
+  (dictionary)
+  (set)
+
+  (if_statement)
+  (for_statement)
+  (while_statement)
+  (with_statement)
+  (try_statement)
+  (import_from_statement)
+
+  (parenthesized_expression)
+  (generator_expression)
+  (list_comprehension)
+  (set_comprehension)
+  (dictionary_comprehension)
+
+  (tuple_pattern)
+  (list_pattern)
+  (argument_list)
+  (parameters)
+  (binary_operator)
+
+  (function_definition)
+  (class_definition)
+] @indent
+
+[
+  ")"
+  "]"
+  "}"
+  (return_statement)
+  (pass_statement)
+  (raise_statement)
+] @outdent
+
diff --git a/runtime/queries/python/indents.toml b/runtime/queries/python/indents.toml
deleted file mode 100644
index 6bc68486..00000000
--- a/runtime/queries/python/indents.toml
+++ /dev/null
@@ -1,39 +0,0 @@
-indent = [
-  "list",
-  "tuple",
-  "dictionary",
-  "set",
-
-  "if_statement",
-  "for_statement",
-  "while_statement",
-  "with_statement",
-  "try_statement",
-  "import_from_statement",
-
-  "parenthesized_expression",
-  "generator_expression",
-  "list_comprehension",
-  "set_comprehension",
-  "dictionary_comprehension",
-
-  "tuple_pattern",
-  "list_pattern",
-  "argument_list",
-  "parameters",
-  "binary_operator",
-
-  "function_definition",
-  "class_definition",
-]
-
-outdent = [
-  ")",
-  "]",
-  "}",
-  "return_statement",
-  "pass_statement",
-  "raise_statement",
-]
-
-ignore = ["string"]