feat(wxml): add parser and queries

runtime/queries/wxml/highlights.scm

@@ -0,0 +1,66 @@
+; Comments
+(comment) @comment @spell
+
+; Text
+(text) @spell
+
+; Tag names
+(tag_name) @tag
+
+((tag_name) @tag.builtin
+  (#any-of? @tag.builtin "wxs" "template" "import" "include" "slot" "block"))
+
+; Attributes
+(attribute_name) @tag.attribute
+
+(attribute_value) @string
+
+(quoted_attribute_value) @string
+
+; WeChat specific attributes
+((attribute_name) @keyword.directive
+  (#lua-match? @keyword.directive "^wx:"))
+
+((attribute_name) @keyword.conditional
+  (#any-of? @keyword.conditional "wx:if" "wx:elif" "wx:else"))
+
+((attribute_name) @keyword.repeat
+  (#any-of? @keyword.repeat "wx:for" "wx:for-index" "wx:for-item"))
+
+((attribute_name) @keyword
+  (#lua-match? @keyword "^bind"))
+
+((attribute_name) @keyword
+  (#lua-match? @keyword "^catch"))
+
+((attribute_name) @keyword
+  (#lua-match? @keyword "^mut%-bind"))
+
+((attribute_name) @keyword
+  (#lua-match? @keyword "^model:"))
+
+((attribute_name) @keyword
+  (#lua-match? @keyword "^data-"))
+
+((attribute
+  (attribute_name) @_attr
+  (quoted_attribute_value) @string.special.url)
+  (#any-of? @_attr "href" "src")
+  (#offset! @string.special.url 0 1 0 -1))
+
+; Entity references
+(entity) @character.special
+
+; Interpolation delimiters
+(interpolation_start) @punctuation.special
+
+(interpolation_end) @punctuation.special
+
+[
+  "<"
+  ">"
+  "</"
+  "/>"
+] @tag.delimiter
+
+"=" @operator