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authorOliver Hechtl2021-12-18 04:40:34 +0000
committerGitHub2021-12-18 04:40:34 +0000
commit0683f0a20ae1c1ce3e7788e303c468767381e6fd (patch)
tree8841bf08164e81462bae031be25958a8ad5d9212 /runtime/queries/scala/highlights.scm
parent3ef115d4203fab93f7efe4f65d8dd63cc4535b91 (diff)
Add scala syntax highlights (#1278)
* add partial scala syntax highlights * ran cargo xtask docgen * updated tree-sitter-scala, fixed highlights * fix comments * move identifier to the end of the highlights * add indents
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+; CREDITS @stumash (stuart.mashaal@gmail.com)
+
+;; variables
+
+
+((identifier) @variable.builtin
+ (#match? @variable.builtin "^this$"))
+
+(interpolation) @none
+
+; Assume other uppercase names constants.
+; NOTE: In order to distinguish constants we highlight
+; all the identifiers that are uppercased. But this solution
+; is not suitable for all occurrences e.g. it will highlight
+; an uppercased method as a constant if used with no params.
+; Introducing highlighting for those specific cases, is probably
+; best way to resolve the issue.
+((identifier) @constant (#match? @constant "^[A-Z]"))
+
+;; types
+
+(type_identifier) @type
+
+(class_definition
+ name: (identifier) @type)
+
+(object_definition
+ name: (identifier) @type)
+
+(trait_definition
+ name: (identifier) @type)
+
+(type_definition
+ name: (type_identifier) @type)
+
+; method definition
+
+(class_definition
+ body: (template_body
+ (function_definition
+ name: (identifier) @function.method)))
+(object_definition
+ body: (template_body
+ (function_definition
+ name: (identifier) @function.method)))
+(trait_definition
+ body: (template_body
+ (function_definition
+ name: (identifier) @function.method)))
+
+; imports
+
+(import_declaration
+ path: (identifier) @namespace)
+((stable_identifier (identifier) @namespace))
+
+((import_declaration
+ path: (identifier) @type) (#match? @type "^[A-Z]"))
+((stable_identifier (identifier) @type) (#match? @type "^[A-Z]"))
+
+((import_selectors (identifier) @type) (#match? @type "^[A-Z]"))
+
+; method invocation
+
+
+(call_expression
+ function: (identifier) @function)
+
+(call_expression
+ function: (field_expression
+ field: (identifier) @function.method))
+
+((call_expression
+ function: (identifier) @variable.other.member)
+ (#match? @variable.other.member "^[A-Z]"))
+
+(generic_function
+ function: (identifier) @function)
+
+(
+ (identifier) @function.builtin
+ (#match? @function.builtin "^super$")
+)
+
+; function definitions
+
+(function_definition
+ name: (identifier) @function)
+
+(parameter
+ name: (identifier) @variable.parameter)
+
+; expressions
+
+
+(field_expression field: (identifier) @variable.other.member)
+(field_expression value: (identifier) @type
+ (#match? @type "^[A-Z]"))
+
+(infix_expression operator: (identifier) @operator)
+(infix_expression operator: (operator_identifier) @operator)
+(infix_type operator: (operator_identifier) @operator)
+(infix_type operator: (operator_identifier) @operator)
+
+; literals
+(boolean_literal) @constant.builtin.boolean
+(integer_literal) @constant.numeric.integer
+(floating_point_literal) @constant.numeric.float
+
+
+(symbol_literal) @string.special.symbol
+
+[
+(string)
+(character_literal)
+(interpolated_string_expression)
+] @string
+
+(interpolation "$" @punctuation.special)
+
+;; keywords
+
+[
+ "abstract"
+ "case"
+ "class"
+ "extends"
+ "final"
+ "finally"
+;; `forSome` existential types not implemented yet
+ "implicit"
+ "lazy"
+;; `macro` not implemented yet
+ "object"
+ "override"
+ "package"
+ "private"
+ "protected"
+ "sealed"
+ "trait"
+ "type"
+ "val"
+ "var"
+ "with"
+] @keyword
+
+(null_literal) @constant.builtin
+(wildcard) @keyword
+
+;; special keywords
+
+"new" @keyword.operator
+
+[
+ "else"
+ "if"
+ "match"
+ "try"
+ "catch"
+ "throw"
+] @keyword.control.conditional
+
+[
+ "("
+ ")"
+ "["
+ "]"
+ "{"
+ "}"
+] @punctuation.bracket
+
+[
+ "."
+ ","
+] @punctuation.delimiter
+
+[
+ "do"
+ "for"
+ "while"
+ "yield"
+] @keyword.control.repeat
+
+"def" @keyword.function
+
+[
+ "=>"
+ "<-"
+ "@"
+] @keyword.operator
+
+"import" @keyword.control.import
+
+"return" @keyword.control.return
+
+(comment) @comment
+
+;; `case` is a conditional keyword in case_block
+
+(case_block
+ (case_clause ("case") @keyword.control.conditional))
+
+(identifier) @variable \ No newline at end of file