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+;; Constants, Comments, and Literals
+
+(comment) @comment.line
+(multilineComment) @comment.block
+(docComment) @comment.block.documentation
+(multilineDocComment) @comment.block.documentation
+; comments
+
+[(literal) (generalizedLit)] @constant
+[(nil_lit)] @constant.builtin
+[(bool_lit)] @constant.builtin.boolean
+[(char_lit)] @constant.character
+[(char_esc_seq) (str_esc_seq)] @constant.character.escape
+[(custom_numeric_lit)] @constant.numeric
+[(int_lit) (int_suffix)] @constant.numeric.integer
+[(float_lit) (float_suffix)] @constant.numeric.float
+; literals
+; note: somewhat irritatingly for testing, lits have the same syntax highlighting as types
+
+[
+ (str_lit)
+ (triplestr_lit)
+ (rstr_lit)
+ (generalized_str_lit)
+ (generalized_triplestr_lit)
+ (interpolated_str_lit)
+ (interpolated_triplestr_lit)
+] @string
+; [] @string.regexp
+; string literals
+
+[
+ "."
+ ","
+ ";"
+ ":"
+] @punctuation.delimiter
+[
+ "("
+ ")"
+ "["
+ "]"
+ "{"
+ "}"
+ "{."
+ ".}"
+ "#["
+ "]#"
+] @punctuation.bracket
+(interpolated_str_lit "&" @punctuation.special)
+(interpolated_str_lit "{" @punctuation.special)
+(interpolated_str_lit "}" @punctuation.special)
+; punctuation
+
+[
+ "and"
+ "or"
+ "xor"
+ "not"
+ "in"
+ "notin"
+ "is"
+ "isnot"
+ "div"
+ "mod"
+ "shl"
+ "shr"
+] @keyword.operator
+; operators: we list them explicitly to deliminate them from symbolic operators
+
+[(operator) (opr) "="] @operator
+; all operators (must come after @keyword.operator)
+
+(pragma) @attribute
+; pragmas
+
+
+;; Imports and Exports
+
+(importStmt
+ (keyw) @keyword.control.import
+ (expr (primary (symbol) @namespace))?
+ (expr (primary (arrayConstr (exprColonExprList (exprColonExpr (expr (primary (symbol) @namespace)))))))?)
+(exportStmt
+ (keyw) @keyword.control.import
+ (expr (primary (symbol) @namespace))?
+ (expr (primary (arrayConstr (exprColonExprList (exprColonExpr (expr (primary (symbol) @namespace)))))))?)
+(fromStmt
+ (keyw) @keyword.control.import
+ (expr (primary (symbol) @namespace))?
+ (expr (primary (arrayConstr (exprColonExprList (exprColonExpr (expr (primary (symbol) @namespace)))))))?)
+(includeStmt
+ (keyw) @keyword.control.import
+ (expr (primary (symbol) @namespace))?
+ (expr (primary (arrayConstr (exprColonExprList (exprColonExpr (expr (primary (symbol) @namespace)))))))?)
+(importExceptStmt
+ (keyw) @keyword.control.import
+ (expr (primary (symbol) @namespace))?
+ (expr (primary (arrayConstr (exprColonExprList (exprColonExpr (expr (primary (symbol) @namespace)))))))?)
+; import statements
+; yeah, this is a bit gross.
+
+
+;; Control Flow
+
+(ifStmt (keyw) @keyword.control.conditional)
+(whenStmt (keyw) @keyword.control.conditional)
+(elifStmt (keyw) @keyword.control.conditional)
+(elseStmt (keyw) @keyword.control.conditional)
+(caseStmt (keyw) @keyword.control.conditional)
+(ofBranch (keyw) @keyword.control.conditional)
+(inlineIfStmt (keyw) @keyword.control.conditional)
+(inlineWhenStmt (keyw) @keyword.control.conditional)
+; conditional statements
+; todo: do block
+
+(forStmt
+ . (keyw) @keyword.control.repeat
+ . (symbol) @variable
+ . (keyw) @keyword.control.repeat)
+(whileStmt (keyw) @keyword.control.repeat)
+; loop statements
+
+(returnStmt (keyw) @keyword.control.repeat)
+(yieldStmt (keyw) @keyword.control.repeat)
+(discardStmt (keyw) @keyword.control.repeat)
+(breakStmt (keyw) @keyword.control.repeat)
+(continueStmt (keyw) @keyword.control.repeat)
+; control flow statements
+
+(raiseStmt (keyw) @keyword.control.exception)
+(tryStmt (keyw) @keyword.control.exception)
+(tryExceptStmt (keyw) @keyword.control.exception)
+(tryFinallyStmt (keyw) @keyword.control.exception)
+(inlineTryStmt (keyw) @keyword.control.exception)
+; (inlineTryExceptStmt (keyw) @keyword.control.exception)
+; (inlineTryFinallyStmt (keyw) @keyword.control.exception)
+; exception handling statements
+
+(staticStmt (keyw) @keyword)
+(deferStmt (keyw) @keyword)
+(asmStmt (keyw) @keyword)
+(bindStmt (keyw) @keyword)
+(mixinStmt (keyw) @keyword)
+; miscellaneous blocks
+
+(blockStmt
+ (keyw) @keyword.control
+ (symbol) @label)
+; block statements
+
+
+;; Types and Type Declarations
+
+(typeDef
+ (keyw) @keyword.storage.type
+ (symbol) @type)
+; names of new types type declarations
+
+(exprColonEqExpr
+ . (expr (primary (symbol) @variable))
+ . (expr (primary (symbol) @type)))
+; variables in inline tuple declarations
+
+(primarySuffix
+ (indexSuffix
+ (exprColonEqExprList
+ (exprColonEqExpr
+ (expr
+ (primary
+ (symbol) @type))))))
+; nested types in brackets, i.e. seq[string]
+
+(primaryTypeDef (symbol) @type)
+; primary types of type declarations (NOT nested types)
+
+(primaryTypeDef (primaryPrefix (keyw) @type))
+; for consistency
+
+(primaryTypeDesc (symbol) @type)
+; type annotations, on declarations or in objects
+
+(primaryTypeDesc (primaryPrefix (keyw) @type))
+; var types etc
+
+(genericParamList (genericParam (symbol) @type))
+; types in generic blocks
+
+(enumDecl (keyw) @keyword.storage.type)
+(enumElement (symbol) @type.enum.variant)
+; enum declarations and elements
+
+(tupleDecl (keyw) @keyword.storage.type)
+; tuple declarations
+
+(objectDecl (keyw) @keyword.storage.type)
+(objectPart (symbol) @variable.other.member)
+; object declarations and fields
+
+(objectCase
+ (keyw) @keyword.control.conditional
+ (symbol) @variable.other.member)
+(objectBranch (keyw) @keyword.control.conditional)
+(objectElif (keyw) @keyword.control.conditional)
+(objectElse (keyw) @keyword.control.conditional)
+(objectWhen (keyw) @keyword.control.conditional)
+; variant objects
+
+(conceptDecl (keyw) @keyword.storage.type)
+(conceptParam (keyw) @type)
+(conceptParam (symbol) @variable)
+; concept declarations, parameters, and qualifiers on those parameters
+
+((expr
+ (primary (symbol))
+ (operator) @operator
+ (primary (symbol) @type))
+ (#match? @operator "is"))
+((exprStmt
+ (primary (symbol))
+ (operator) @operator
+ (primary (symbol) @type))
+ (#match? @operator "is"))
+; symbols likely to be types: "x is t" means t is either a type or a type variable
+
+; distinct?
+
+
+;; Functions
+
+(routine
+ . (keyw) @keyword.function
+ . (symbol) @function)
+; function declarations
+
+(routineExpr (keyw) @keyword.function)
+; discarded function
+
+(routineExprTypeDesc (keyw) @keyword.function)
+; function declarations as types
+
+(primary
+ . (symbol) @function.call
+ . (primarySuffix (functionCall)))
+; regular function calls
+
+(primary
+ . (symbol) @function.call
+ . (primarySuffix (cmdCall)))
+; function calls without parenthesis
+
+(primary
+ (primarySuffix (qualifiedSuffix (symbol) @function.call))
+ . (primarySuffix (functionCall)))
+; uniform function call syntax calls
+
+(primary
+ (primarySuffix (qualifiedSuffix (symbol) @function.call))
+ . (primarySuffix (cmdCall)))
+; just in case
+
+(primary
+ (symbol) @constructor
+ (primarySuffix (objectConstr)))
+; object constructor
+
+; does not appear to be a way to distinguish these without verbatium matching
+; [] @function.builtin
+; [] @function.method
+; [] @function.macro
+; [] @function.special
+
+
+;; Variables
+
+(paramList (paramColonEquals (symbol) @variable.parameter))
+; parameter identifiers
+
+(identColon (ident) @variable.other.member)
+; named parts of tuples
+
+(symbolColonExpr (symbol) @variable)
+; object constructor parameters
+
+(symbolEqExpr (symbol) @variable)
+; named parameters
+
+(variable
+ (keyw) @keyword.storage.type
+ (declColonEquals (symbol) @variable))
+; let, var, const expressions
+
+((primary (symbol) @variable.builtin)
+ (#match? @variable.builtin "result"))
+; `result` is an implicit builtin variable inside function scopes
+
+((primary (symbol) @type)
+ (#match? @type "^[A-Z]"))
+; assume PascalCase identifiers to be types
+
+((primary
+ (primarySuffix
+ (qualifiedSuffix
+ (symbol) @type)))
+ (#match? @type "^[A-Z]"))
+; assume PascalCase member variables to be enum entries
+
+(primary (symbol) @variable)
+; overzealous, matches variables
+
+(primary (primarySuffix (qualifiedSuffix (symbol) @variable.other.member)))
+; overzealous, matches member variables: i.e. x in foo.x
+
+(keyw) @keyword
+; more specific matches are done above whenever possible