Revert to using regex pattern instead of tree sitter queries

Author: errmayank

crates/languages/src/c/config.toml

@@ -3,7 +3,8 @@ grammar = "c"
 path_suffixes = ["c"]
 line_comments = ["// "]
 decrease_indent_patterns = [
-  { pattern = "^\\s*\\{.*\\}?\\s*$", valid_after = ["for", "while", "do", "switch"] }
+  { pattern = "^\\s*\\{.*\\}?\\s*$", valid_after = ["if", "for", "while", "do", "switch", "else"] },
+  { pattern = "^\\s*else\\b", valid_after = ["if"] }
 ]
 autoclose_before = ";:.,=}])>"
 brackets = [

crates/languages/src/c/indents.scm

@@ -1,36 +1,19 @@
 [
   (field_expression)
   (assignment_expression)
+  (if_statement)
   (for_statement)
   (while_statement)
   (do_statement)
+  (else_clause)
 ] @indent
 
 (_ "{" "}" @end) @indent
 (_ "(" ")" @end) @indent
 
-(if_statement
-  condition: (_) @start
-  alternative: (_) @end) @indent
-
-(if_statement
-  condition: (_) @start
-  consequence: (_)
-  !alternative) @indent
-
-(if_statement
-  alternative: (_) @indent
-  (#not-kind-eq? @indent "if_statement"))
-
-((if_statement
-  consequence: (_) @indent.begin)
-  (#not-kind-eq? @indent.begin "compound_statement"))
-
-((if_statement
-  alternative: (_) @indent.begin)
-  (#not-kind-eq? @indent.begin "compound_statement"))
-
+(if_statement) @start.if
 (for_statement) @start.for
 (while_statement) @start.while
 (do_statement) @start.do
 (switch_statement) @start.switch
+(else_clause) @start.else