; SCL highlights

; Comments
(line_comment) @comment
(block_comment) @comment
(c_style_comment) @comment

; Literals
(number) @number
(hex_number) @number
(binary_number) @number
(octal_number) @number
(time_value) @number
(date_literal) @number
(bool_literal) @constant.builtin
(typed_int_literal) @number
(wstring_literal) @string
(char_literal) @character
(string) @string

; Prefix
(prefix) @punctuation.special

; Variables and identifiers
(identifier) @variable

; FB instance calls
(fb_call
  instance: (prefixed_identifier
    (identifier) @type))
(fb_call
  instance: (identifier) @type)

; FB parameter names
(fb_parameter
  name: (identifier) @property)

; Function call names
(function_call
  (identifier) @function)
(function_call
  (string) @function)

; Method call names
(method_callee
  (identifier) @function)

; Variable declarations
(var_item
  name: (identifier) @variable)

; Type references
(type
  (identifier) @type)
(type_builtin) @type.builtin

; Keywords and operators
(keyword) @keyword
(constant) @constant.builtin
(operator) @operator

; Block names
(organization_block
  name: (string) @type)
(function_block
  name: (string) @type)
(function
  name: (string) @function)
(data_block
  name: (string) @type)
(type_definition
  name: (string) @type)

; Access
(field_access
  "."
  (identifier) @property)
(array_access) @property
(bit_access) @property

; Attributes
(attribute_list) @attribute
(attribute) @attribute
(attribute_value) @string

; Statements
(assignment) @operator
(binary_expression) @operator
(unary_expression) @operator
(chained_assignment) @operator

; Function/FB calls
(function_call) @function.call
(fb_call) @function.call

; Control flow
(if_statement) @conditional
(elsif_clause) @conditional
(else_clause) @conditional
(case_statement) @conditional
(case_item) @conditional

(for_statement) @repeat
(while_statement) @repeat
(repeat_statement) @repeat

(return_statement) @keyword
(goto_statement) @keyword

; Title
(title_statement) @comment

; Punctuation
";" @punctuation.delimiter
":" @punctuation.delimiter
"," @punctuation.delimiter
"(" @punctuation.bracket
")" @punctuation.bracket
"[" @punctuation.bracket
"]" @punctuation.bracket
"." @punctuation.delimiter

; Operators
":=" @operator
"=>" @operator
"+=" @operator
"-=" @operator
"*=" @operator
"/=" @operator
"&=" @operator
"|=" @operator
"^=" @operator
"=" @operator
"<>" @operator
"<" @operator
">" @operator
"<=" @operator
">=" @operator
"+" @operator
"-" @operator
"*" @operator
"/" @operator