Better error reporting regarding main methods.

Now notices most things which look like main methods and says
something useful if they aren't usable as entry points.
Closes SI-4749.

1 files changed, 10 insertions, 10 deletions

diff --git a/test/files/neg/main1.check b/test/files/neg/main1.check
index 734c78e54d..1a7a13e1e9 100644
--- a/test/files/neg/main1.check
+++ b/test/files/neg/main1.check
@@ -1,25 +1,25 @@
-main1.scala:3: error: Foo has a main method, but foo1.Foo will not be a runnable program.
-  Its companion is a trait, which means no static forwarder can be generated.
+main1.scala:3: error: Foo has a main method with parameter type Array[String], but foo1.Foo will not be a runnable program.
+  Reason: companion is a trait, which means no static forwarder can be generated.
 
   object Foo {  // companion is trait
          ^
-main1.scala:10: error: Foo has a main method, but foo2.Foo will not be a runnable program.
-  Its companion contains its own main method, which means no static forwarder can be generated.
+main1.scala:10: error: Foo has a main method with parameter type Array[String], but foo2.Foo will not be a runnable program.
+  Reason: companion contains its own main method, which means no static forwarder can be generated.
 
   object Foo {  // companion has its own main
          ^
-main1.scala:22: error: Foo has a main method, but foo3.Foo will not be a runnable program.
-  Its companion contains its own main method (implementation restriction: no main is allowed, regardless of signature), which means no static forwarder can be generated.
+main1.scala:22: error: Foo has a main method with parameter type Array[String], but foo3.Foo will not be a runnable program.
+  Reason: companion contains its own main method (implementation restriction: no main is allowed, regardless of signature), which means no static forwarder can be generated.
 
   object Foo {  // Companion contains main, but not an interfering main.
          ^
-main1.scala:31: error: Foo has a main method, but foo4.Foo will not be a runnable program.
-  Its companion contains its own main method (implementation restriction: no main is allowed, regardless of signature), which means no static forwarder can be generated.
+main1.scala:31: error: Foo has a main method with parameter type Array[String], but foo4.Foo will not be a runnable program.
+  Reason: companion contains its own main method, which means no static forwarder can be generated.
 
   object Foo extends Foo {  // Inherits main from the class
          ^
-main1.scala:39: error: Foo has a main method, but foo5.Foo will not be a runnable program.
-  Its companion contains its own main method (implementation restriction: no main is allowed, regardless of signature), which means no static forwarder can be generated.
+main1.scala:39: error: Foo has a main method with parameter type Array[String], but foo5.Foo will not be a runnable program.
+  Reason: companion contains its own main method, which means no static forwarder can be generated.
 
   object Foo extends Foo {  // Overrides main from the class
          ^