Provide a warn method, like fail

propensive · Mar 16, 2024 · b5261af · b5261af
1 parent 740e7e5
commit b5261af
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/src/core/fail.scala b/src/core/fail.scala
@@ -35,3 +35,19 @@ def fail(using Quotes)(message: Message, pos: quotes.reflect.Position | Null = n
 
   if pos == null then report.errorAndAbort(text) else report.errorAndAbort(text, pos)
 
+
+def warn(using Quotes)(message: Message, pos: quotes.reflect.Position | Null = null)(using Realm): Unit =
+  import quotes.reflect.*
+  import dotty.tools.dotc.config.Settings.Setting.value
+
+  val useColor: Boolean = quotes match
+    case quotes: runtime.impl.QuotesImpl => value(quotes.ctx.settings.color)(using quotes.ctx) != "never"
+    case _                               => false
+
+  val text =
+    if useColor
+    then s"${27.toChar}[38;2;0;190;255m${27.toChar}[1m${summon[Realm].name}${27.toChar}[0m ${message.colorText}"
+    else s"${summon[Realm].name}: ${message.text}" 
+
+  if pos == null then report.warning(text) else report.warning(text, pos)
+