feat: add highlight, indent, fold, locals, and tags queries

queries/folds.scm

@@ -0,0 +1,9 @@
+[
+  (block)
+  (field_declaration_list)
+  (enum_variant_list)
+  (declaration_list)
+  (match_block)
+  (select_expression)
+  (block_comment)
+] @fold

queries/highlights.scm

@@ -1,2 +1,130 @@
-; Highlights for Rune
-; (populated in Task 10)
+; Types
+(type_identifier) @type
+
+; Identifier conventions
+; All-caps identifiers = constants
+((identifier) @constant
+ (#match? @constant "^[A-Z][A-Z\\d_]+$"))
+; Uppercase-start identifiers = constructors
+((identifier) @constructor
+ (#match? @constructor "^[A-Z]"))
+; Uppercase segment in scoped path = type
+((scoped_identifier path: (identifier) @type)
+ (#match? @type "^[A-Z]"))
+
+; Function calls
+(call_expression function: (identifier) @function.call)
+(call_expression function: (field_expression field: (field_identifier) @function.method.call))
+(call_expression function: (scoped_identifier name: (identifier) @function.call))
+
+; Macro invocations
+(macro_invocation macro: (identifier) @function.macro "!" @function.macro)
+
+; Function definitions
+(function_item name: (identifier) @function)
+
+; Parameters
+(parameters (identifier) @variable.parameter)
+(closure_parameters (identifier) @variable.parameter)
+
+; Comments
+(line_comment) @comment
+(block_comment) @comment
+
+; Punctuation – brackets
+"(" @punctuation.bracket
+")" @punctuation.bracket
+"[" @punctuation.bracket
+"]" @punctuation.bracket
+"{" @punctuation.bracket
+"}" @punctuation.bracket
+
+; Punctuation – delimiters
+"::" @punctuation.delimiter
+":" @punctuation.delimiter
+"." @punctuation.delimiter
+"," @punctuation.delimiter
+";" @punctuation.delimiter
+
+; Keywords
+"async" @keyword
+"as" @keyword
+"await" @keyword
+"break" @keyword
+"continue" @keyword
+"else" @keyword
+"enum" @keyword
+"fn" @keyword
+"for" @keyword
+"if" @keyword
+"in" @keyword
+"is" @keyword
+"let" @keyword
+"loop" @keyword
+"match" @keyword
+"mod" @keyword
+"not" @keyword
+"pub" @keyword
+"return" @keyword
+"select" @keyword
+"struct" @keyword
+"use" @keyword
+"while" @keyword
+"yield" @keyword
+(crate) @keyword
+(super) @keyword
+(self) @variable.builtin
+
+; Literals – strings
+(string_literal) @string
+(string_content) @string
+(char_literal) @character
+(template_literal) @string
+(template_content) @string
+(escape_sequence) @string.escape
+(interpolation "${" @punctuation.special "}" @punctuation.special)
+
+; Literals – scalars
+(boolean_literal) @constant.builtin
+(integer_literal) @number
+(float_literal) @number.float
+
+; Attributes
+(attribute_item) @attribute
+(inner_attribute_item) @attribute
+
+; Operators
+"!" @operator
+"*" @operator
+"+" @operator
+"-" @operator
+"/" @operator
+"%" @operator
+"&" @operator
+"|" @operator
+"^" @operator
+"=" @operator
+"==" @operator
+"!=" @operator
+"<" @operator
+">" @operator
+"<=" @operator
+">=" @operator
+"<<" @operator
+">>" @operator
+"+=" @operator
+"-=" @operator
+"*=" @operator
+"/=" @operator
+"%=" @operator
+"&=" @operator
+"|=" @operator
+"^=" @operator
+"<<=" @operator
+">>=" @operator
+"&&" @operator
+"||" @operator
+"=>" @operator
+".." @operator
+"..=" @operator
+"..." @operator

queries/indents.scm

@@ -0,0 +1,18 @@
+[
+  (block)
+  (field_declaration_list)
+  (enum_variant_list)
+  (declaration_list)
+  (match_block)
+  (arguments)
+  (parameters)
+  (array_expression)
+  (object_literal)
+  (select_expression)
+] @indent
+
+[
+  "}"
+  "]"
+  ")"
+] @outdent

queries/locals.scm

@@ -0,0 +1,18 @@
+; Scopes
+(block) @local.scope
+(function_item) @local.scope
+(closure_expression) @local.scope
+(for_expression) @local.scope
+(while_expression) @local.scope
+(loop_expression) @local.scope
+(if_expression) @local.scope
+(match_arm) @local.scope
+
+; Definitions
+(let_declaration pattern: (identifier) @local.definition)
+(parameters (identifier) @local.definition)
+(closure_parameters (identifier) @local.definition)
+(for_expression pattern: (identifier) @local.definition)
+
+; References
+(identifier) @local.reference

queries/tags.scm

@@ -1,2 +1,7 @@
-; Tags for Rune
-; (populated in Task 11)
+(struct_item name: (type_identifier) @name) @definition.class
+(enum_item name: (type_identifier) @name) @definition.class
+(function_item name: (identifier) @name) @definition.function
+(mod_item name: (identifier) @name) @definition.module
+(call_expression function: (identifier) @name) @reference.call
+(call_expression function: (field_expression field: (field_identifier) @name)) @reference.call
+(macro_invocation macro: (identifier) @name) @reference.call