1 files changed, 41 insertions, 0 deletions
diff --git a/script/core/diagnostics/doc-field-no-class.lua b/script/core/diagnostics/doc-field-no-class.lua
new file mode 100644
index 00000000..f27bbb32
--- /dev/null
+++ b/script/core/diagnostics/doc-field-no-class.lua
@@ -0,0 +1,41 @@
+local files   = require 'files'
+local lang    = require 'language'
+
+return function (uri, callback)
+    local state = files.getAst(uri)
+    if not state then
+        return
+    end
+
+    if not state.ast.docs then
+        return
+    end
+
+    for _, doc in ipairs(state.ast.docs) do
+        if doc.type ~= 'doc.field' then
+            goto CONTINUE
+        end
+        local bindGroup = doc.bindGroup
+        if not bindGroup then
+            goto CONTINUE
+        end
+        local ok
+        for _, other in ipairs(bindGroup) do
+            if other.type == 'doc.class' then
+                ok = true
+                break
+            end
+            if other == doc then
+                break
+            end
+        end
+        if not ok then
+            callback {
+                start   = doc.start,
+                finish  = doc.finish,
+                message = lang.script('DIAG_DOC_FIELD_NO_CLASS'),
+            }
+        end
+        ::CONTINUE::
+    end
+end