From 64ebac245d58221814f9c9375927e3f2e7a2d4f0 Mon Sep 17 00:00:00 2001
From: Adriaan Moors <adriaan.moors@typesafe.com>
Date: Thu, 26 Jun 2014 11:21:15 +0200
Subject: Move more parsing hooks out of reporting.

Create a trait Parsing, which, like Reporting,
factors our functionality from Global (aka. "the cake"),
that is related to global aspects of configuring parsing.
---
 src/compiler/scala/tools/nsc/Parsing.scala | 36 ++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/compiler/scala/tools/nsc/Parsing.scala

(limited to 'src/compiler/scala/tools/nsc/Parsing.scala')

diff --git a/src/compiler/scala/tools/nsc/Parsing.scala b/src/compiler/scala/tools/nsc/Parsing.scala
new file mode 100644
index 0000000000..4dd3c3f378
--- /dev/null
+++ b/src/compiler/scala/tools/nsc/Parsing.scala
@@ -0,0 +1,36 @@
+/* NSC -- new Scala compiler
+ * Copyright 2005-2014 LAMP/EPFL, Typesafe Inc.
+ * @author  Adriaan Moors
+ */
+
+package scala
+package tools.nsc
+
+import scala.reflect.internal.Positions
+import scala.tools.nsc.reporters.Reporter
+
+/** Similar to Reporting: gather global functionality specific to parsing.
+ */
+trait Parsing { self : Positions with Reporting =>
+  def currentRun: RunParsing
+
+  trait RunParsing {
+    val parsing: PerRunParsing = new PerRunParsing
+  }
+
+  class PerRunParsing {
+    // for repl
+    private[this] var incompleteHandler: (Position, String) => Unit = null
+    def withIncompleteHandler[T](handler: (Position, String) => Unit)(thunk: => T) = {
+      val saved = incompleteHandler
+      incompleteHandler = handler
+      try thunk
+      finally incompleteHandler = saved
+    }
+
+    def incompleteHandled = incompleteHandler != null
+    def incompleteInputError(pos: Position, msg: String): Unit =
+      if (incompleteHandled) incompleteHandler(pos, msg)
+      else reporter.error(pos, msg)
+  }
+}
\ No newline at end of file
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