Print stack trace only under -Ydebug

odersky · odersky · commit be6eb0686fa7 · 2019-05-02T15:32:02.000+02:00
diff --git a/compiler/src/dotty/tools/dotc/typer/ErrorReporting.scala b/compiler/src/dotty/tools/dotc/typer/ErrorReporting.scala
@@ -81,7 +81,7 @@ object ErrorReporting {
       if (tree.tpe.widen.exists)
         i"${exprStr(tree)} does not take ${kind}parameters"
       else {
-        //new FatalError("").printStackTrace()  //DEBUG
+        if (ctx.settings.Ydebug.value) new FatalError("").printStackTrace()
         i"undefined: $tree # ${tree.uniqueId}: ${tree.tpe.toString} at ${ctx.phase}"
       }
 

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ object ErrorReporting {`
`81`	`81`	`if (tree.tpe.widen.exists)`
`82`	`82`	`i"${exprStr(tree)} does not take ${kind}parameters"`
`83`	`83`	`else {`
`84`		`- //new FatalError("").printStackTrace() //DEBUG`
	`84`	`+ if (ctx.settings.Ydebug.value) new FatalError("").printStackTrace()`
`85`	`85`	`i"undefined: $tree # ${tree.uniqueId}: ${tree.tpe.toString} at ${ctx.phase}"`
`86`	`86`	`}`
`87`	`87`