Add support for yara language (#12753)

runtime/queries/yara/highlights.scm

@@ -0,0 +1,136 @@
+; Comments
+(comment) @comment
+
+; Keywords
+[
+  "global"
+  "import"
+  "private"
+] @constant.builtin
+
+[
+  "rule"
+] @function
+
+[
+  "meta"
+  "strings"
+  "condition"
+] @attribute
+
+; Operators
+[
+  "matches"
+  "contains"
+  "icontains"
+  "imatches"
+  "startswith"
+  "istartswith"
+  "endswith"
+  "iendswith"
+  "and"
+  "or"
+  "not"
+  "=="
+  "!="
+  "<"
+  ">"
+  ">="
+  "<="
+  "of"
+  "for"
+  "all"
+  "any"
+  "none"
+  "in"
+] @string.special
+
+; String modifiers
+[
+  "wide"
+  "ascii"
+  "nocase"
+  "fullword"
+  "xor"
+  "base64"
+  "base64wide"
+] @keyword.storage.modifier
+
+; Numbers and sizes
+(integer_literal) @constant.numeric
+(size_unit) @constant.numeric
+
+; Strings
+(double_quoted_string) @string
+(single_quoted_string) @string
+(escape_sequence) @constant.character.escape
+
+; Hex strings
+(hex_string) @string.special
+(hex_byte) @constant.numeric
+(hex_wildcard) @constant.builtin
+(hex_jump) @constant.numeric
+
+; Regular expressions
+(regex_string) @string.regexp
+(pattern) @string.regexp
+
+; Boolean literals
+[
+  "true"
+  "false"
+] @constant.builtin.boolean
+
+; Keywords and special identifiers
+[
+  "them"
+  "all"
+  "any"
+  "none"
+] @keyword.operator
+
+
+; String identifiers
+"$" @string.special.symbol
+(identifier) @string
+(string_identifier) @string.special.symbol
+
+; Built-ins
+[
+  (filesize_keyword)
+  (entrypoint_keyword)
+] @constant.builtin
+
+; Tags
+(tag_list
+  [(identifier) (tag)] @tag)
+
+; Punctuation and delimiters
+[
+  "="
+  ":"
+  "{"
+  "}"
+  "["
+  "]"
+  "("
+  ")"
+  "#"
+  "@"
+  ".."
+  "|"
+  ","
+  "!"
+  "/"
+  "\""
+  "'"
+  "*"
+] @string.special.symbol
+
+; Rule names
+(rule_definition
+  name: (identifier) @string.special)
+
+; Meta definitions
+(meta_definition
+  key: (identifier) @string.special)

runtime/queries/yara/injections.scm

@@ -0,0 +1,2 @@
+((comment) @injection.content
+ (#set! injection.language "comment"))

runtime/queries/yara/locals.scm

@@ -0,0 +1,21 @@
+(rule_definition) @local.definition
+(string_identifier) @local.definition
+
+(for_expression
+  (string_identifier) @local.reference)
+
+(for_of_expression
+  (string_identifier) @local.reference)
+
+(of_expression
+  (string_set
+    (string_identifier) @local.reference))
+
+(string_count
+  (string_identifier) @local.reference)
+
+(string_offset
+  (string_identifier) @local.reference)
+
+(string_length
+  (string_identifier) @local.reference)