feat(lang): Add esdl grammar (#3526)

1 files changed, 74 insertions, 0 deletions

diff --git a/runtime/queries/esdl/highlights.scm b/runtime/queries/esdl/highlights.scm
new file mode 100644
index 00000000..7dfde022
--- /dev/null
+++ b/runtime/queries/esdl/highlights.scm
@@ -0,0 +1,74 @@
+; Keywords
+[
+  "module"
+  "using"
+  "single"
+  "multi"
+  "link"
+  "property"
+  "constraint"
+  "tuple"
+  "annotation"
+  "abstract"
+  "scalar"
+  "type"
+  "required"
+  "optional"
+  "extension"
+  "function"
+] @keyword
+
+(modifier) @keyword
+(extending) @keyword
+
+(module name: (identifier) @namespace)
+(object_type) @type
+
+(comment) @comment
+
+; Properties
+(property) @variable.other.member
+(link) @variable.other.member
+(annotation) @variable.other.member
+
+(identifier) @variable
+(string) @string
+(edgeql_fragment) @string
+; Builtins
+
+(type) @type
+[
+  "str"
+  "bool"
+  "int16"
+  "int32"
+  "int64"
+  "float32"
+  "float64"
+  "bigint"
+  "decimal"
+  "json"
+  "uuid"
+  "bytes"
+  "datetime"
+  "duration"
+  "sequence"
+  "anytype"
+] @type.builtin
+
+(true) @constant.builtin
+(false) @constant.builtin
+(null) @constant.builtin
+
+; Delimiters
+[
+  ";"
+  ","
+] @punctuation.delimiter
+
+; Operators
+[
+  "->"
+  ":="
+] @operator
+