FEATURE: add highlights query

queries/highlights.scm

@@ -0,0 +1,246 @@
+;;; ---
+;;; keywords
+[
+    "def"
+    "def-env"
+    "alias"
+    "export-env"
+    "export"
+    "extern"
+
+    "let"
+    "let-env"
+    "mut"
+    "const"
+
+    "hide-env"
+
+    "source"
+    "source-env"
+
+    "overlay"
+    "register"
+
+    "loop"
+    "while"
+    "error"
+
+    "do"
+    "if"
+    "else"
+    "try"
+    "catch"
+    "match"
+
+    "break"
+    "continue"
+    "return"
+
+] @keyword
+
+(hide_mod "hide" @keyword)
+(decl_use "use" @keyword)
+
+(ctrl_for
+    "for" @keyword
+    "in" @keyword
+)
+(overlay_list "list" @keyword.storage.modifier)
+(overlay_hide "hide" @keyword.storage.modifier)
+(overlay_new "new" @keyword.storage.modifier)
+(overlay_use
+    "use" @keyword.storage.modifier
+    "as" @keyword
+)
+(ctrl_error "make" @keyword.storage.modifier)
+
+;;; ---
+;;; literals
+(val_number) @constant.numeric
+(val_duration
+    unit: [
+        "ns" "µs" "us" "ms" "sec" "min" "hr" "day" "wk"
+    ] @variable.parameter
+)
+(val_filesize
+    unit: [
+        "b" "B"
+
+        "kb" "kB" "Kb" "KB"
+        "mb" "mB" "Mb" "MB"
+        "gb" "gB" "Gb" "GB"
+        "tb" "tB" "Tb" "TB"
+        "pb" "pB" "Pb" "PB"
+        "eb" "eB" "Eb" "EB"
+        "zb" "zB" "Zb" "ZB"
+
+        "kib" "kiB" "kIB" "kIb" "Kib" "KIb" "KIB"
+        "mib" "miB" "mIB" "mIb" "Mib" "MIb" "MIB"
+        "gib" "giB" "gIB" "gIb" "Gib" "GIb" "GIB"
+        "tib" "tiB" "tIB" "tIb" "Tib" "TIb" "TIB"
+        "pib" "piB" "pIB" "pIb" "Pib" "PIb" "PIB"
+        "eib" "eiB" "eIB" "eIb" "Eib" "EIb" "EIB"
+        "zib" "ziB" "zIB" "zIb" "Zib" "ZIb" "ZIB"
+    ] @variable.parameter
+)
+(val_binary
+    [
+       "0b"
+       "0o"
+       "0x"
+    ] @constant.numeric
+    "[" @punctuation.bracket
+    digit: [
+        "," @punctuation.delimiter
+        (hex_digit) @constant.number
+    ]
+    "]" @punctuation.bracket
+) @constant.numeric
+(val_bool) @constant.builtin
+(val_nothing) @constant.builtin
+(val_string) @string
+(inter_escape_sequence) @constant.character.escape
+(escape_sequence) @constant.character.escape
+(val_interpolated [
+    "$\""
+    "$\'"
+    "\""
+    "\'"
+] @string)
+(unescaped_interpolated_content) @string
+(escaped_interpolated_content) @string
+(expr_interpolated ["(" ")"] @variable.parameter)
+
+;;; ---
+;;; operators
+(expr_binary [
+    "+"
+    "-"
+    "*"
+    "/"
+    "mod"
+    "//"
+    "**"
+    "=="
+    "!="
+    "<"
+    "<="
+    ">"
+    ">="
+    "=~"
+    "!~"
+    "and"
+    "or"
+    "xor"
+    "bit-or"
+    "bit-xor"
+    "bit-and"
+    "bit-shl"
+    "bit-shr"
+    "in"
+    "not-in"
+    "starts-with"
+    "ends-with"
+] @operator )
+
+(assignment [
+    "="
+    "+="
+    "-="
+    "*="
+    "/="
+    "++="
+] @operator)
+
+(expr_unary ["not" "-"] @operator)
+
+(val_range [
+    ".."
+    "..="
+    "..<"
+] @operator)
+
+["=>" "=" "|"] @operator
+
+[
+    "o>"   "out>"
+    "e>"   "err>"
+    "e+o>" "err+out>"
+    "o+e>" "out+err>"
+] @special
+
+;;; ---
+;;; punctuation
+[
+    ","
+    ";"
+] @punctuation.delimiter
+
+(param_short_flag "-" @punctuation.delimiter)
+(short_flag "-" @punctuation.delimiter)
+(param_long_flag ["--"] @punctuation.delimiter)
+(long_flag ["--"] @punctuation.delimiter)
+(param_rest "..." @punctuation.delimiter)
+(param_type [":"] @punctuation.special)
+(param_value ["="] @punctuation.special)
+(param_cmd ["@"] @punctuation.special)
+(param_opt ["?"] @punctuation.special)
+
+[
+    "(" ")"
+    "{" "}"
+    "[" "]"
+] @punctuation.bracket
+
+;;; ---
+;;; identifiers
+(param_rest
+    name: (_) @variable.parameter)
+(param_opt
+    name: (_) @variable.parameter)
+(parameter
+    param_name: (_) @variable.parameter)
+(param_cmd
+    (cmd_identifier) @string)
+(param_long_flag) @variable.parameter
+(param_short_flag) @variable.parameter
+
+(short_flag) @variable.parameter
+(long_flag) @variable.parameter
+
+(val_variable ["$"] @variable.parameter)
+
+(scope_pattern [(wild_card) @function])
+
+(cmd_identifier) @function
+
+(cmd_head_sub
+    "^" @punctuation.delimiter
+    head: (_) @function
+    sub: (_) @function.method
+)
+(cmd_prefix_head_sub
+    prefix: (_) @namespace
+    "^" @punctuation.delimiter
+    head: (_) @function
+    sub: (_) @function.method
+)
+
+(path) @variable.parameter
+
+;;; ---
+;;; types
+(param_type [
+    "any" "binary" "block" "bool" "cell-path" "closure" "cond"
+    "datetime" "directory" "duration" "directory" "duration"
+    "error" "expr" "float" "decimal" "filesize" "full-cell-path"
+    "glob" "int" "import-pattern" "keyword" "math" "nothing"
+    "number" "one-of" "operator" "path" "range" "record" "signature"
+    "string" "table" "variable" "var-with-opt-type"
+    (list_type
+        "list" @type.enum
+        ["<" ">"] @punctuation.bracket
+    )
+] @type.builtin)
+
+(comment) @comment