Allow a newline after a unary operation

hcl2/hcl2.lark

@@ -11,7 +11,7 @@ identifier : /[a-zA-Z_][a-zA-Z0-9_-]*/
 
 conditional : expression "?" _NEW_LINE_OR_COMMENT* expression _NEW_LINE_OR_COMMENT* ":" _NEW_LINE_OR_COMMENT* expression _NEW_LINE_OR_COMMENT?
 
-?operation : unary_op | binary_op
+?operation : unary_op _NEW_LINE_OR_COMMENT* | binary_op
 !unary_op : ("-" | "!") expr_term
 binary_op : expression binary_term
 !binary_operator : "==" | "!=" | "<" | ">" | "<=" | ">=" | "-" | "*" | "/" | "%" | "&&" | "||" | "+"

test/helpers/terraform-config-json/unary_operator_newline.json

@@ -0,0 +1,43 @@
+{
+  "variable": [
+    {
+      "names": {
+        "type": [
+          "${list(string)}"
+        ],
+        "default": [
+          [
+            "a"
+          ]
+        ],
+        "validation": [
+          {
+            "condition": [
+              "${alltrue([for n in var.names : length(n) > 0 && !contains(['host'],n) && n != \"x\"])}"
+            ],
+            "error_message": [
+              "bad name"
+            ]
+          }
+        ],
+        "__start_line__": 1,
+        "__end_line__": 13
+      }
+    }
+  ],
+  "locals": [
+    {
+      "not_then_or": [
+        "${!var.a || var.b}"
+      ],
+      "negative_then_plus": [
+        "${-var.c + 2}"
+      ],
+      "not_with_comment": [
+        "${!var.a && var.b}"
+      ],
+      "__start_line__": 15,
+      "__end_line__": 29
+    }
+  ]
+}

test/helpers/terraform-config/unary_operator_newline.tf

@@ -0,0 +1,29 @@
+variable "names" {
+  type    = list(string)
+  default = ["a"]
+  validation {
+    condition = alltrue([
+      for n in var.names :
+      length(n) > 0
+      && !contains(["host"], n)
+      && n != "x"
+    ])
+    error_message = "bad name"
+  }
+}
+
+locals {
+  not_then_or = (
+    !var.a
+    || var.b
+  )
+  negative_then_plus = (
+    -var.c
+    + 2
+  )
+  not_with_comment = (
+    !var.a
+    # comment
+    && var.b
+  )
+}