From ce157cb468a6940d22246677e8ab2d1e67150d6c Mon Sep 17 00:00:00 2001
From: Som Snytt <som.snytt@gmail.com>
Date: Mon, 1 Dec 2014 17:07:25 -0800
Subject: SI-7683 Enable -Ystop-before:typer

Allows a plugin to run before typer without incurring typechecking.

The test is that a plugin doesn't run when stopping after parser,
and that the truncated compilation run also succeeds, since
updating check files for the output of -Xshow-phases is tedious.
---
 .../pos/t7683-stop-after-parser/ThePlugin.scala    | 31 ++++++++++++++++++++++
 .../pos/t7683-stop-after-parser/sample_2.flags     |  1 +
 .../pos/t7683-stop-after-parser/sample_2.scala     |  6 +++++
 .../pos/t7683-stop-after-parser/scalac-plugin.xml  |  5 ++++
 4 files changed, 43 insertions(+)
 create mode 100644 test/files/pos/t7683-stop-after-parser/ThePlugin.scala
 create mode 100644 test/files/pos/t7683-stop-after-parser/sample_2.flags
 create mode 100644 test/files/pos/t7683-stop-after-parser/sample_2.scala
 create mode 100644 test/files/pos/t7683-stop-after-parser/scalac-plugin.xml

(limited to 'test/files/pos/t7683-stop-after-parser')

diff --git a/test/files/pos/t7683-stop-after-parser/ThePlugin.scala b/test/files/pos/t7683-stop-after-parser/ThePlugin.scala
new file mode 100644
index 0000000000..cd800781dc
--- /dev/null
+++ b/test/files/pos/t7683-stop-after-parser/ThePlugin.scala
@@ -0,0 +1,31 @@
+package scala.test.plugins
+
+import scala.tools.nsc
+import nsc.Global
+import nsc.Phase
+import nsc.plugins.Plugin
+import nsc.plugins.PluginComponent
+
+class ThePlugin(val global: Global) extends Plugin {
+  import global._
+
+  val name = "timebomb"
+  val description = "Explodes if run. Maybe I haven't implemented it yet."
+  val components = List[PluginComponent](thePhase1)
+
+  private object thePhase1 extends PluginComponent {
+    val global = ThePlugin.this.global
+
+    val runsAfter = List[String]("parser")
+    override val runsBefore = List[String]("namer")
+    val phaseName = ThePlugin.this.name
+
+    def newPhase(prev: Phase) = new ThePhase(prev)
+  }
+
+  private class ThePhase(prev: Phase) extends Phase(prev) {
+    override def name = ThePlugin.this.name
+    override def run  = ???
+  }
+}
+
diff --git a/test/files/pos/t7683-stop-after-parser/sample_2.flags b/test/files/pos/t7683-stop-after-parser/sample_2.flags
new file mode 100644
index 0000000000..99672cdfd3
--- /dev/null
+++ b/test/files/pos/t7683-stop-after-parser/sample_2.flags
@@ -0,0 +1 @@
+-Xplugin:. -Xplugin-require:timebomb -Ystop-after:parser
diff --git a/test/files/pos/t7683-stop-after-parser/sample_2.scala b/test/files/pos/t7683-stop-after-parser/sample_2.scala
new file mode 100644
index 0000000000..7eb11b8204
--- /dev/null
+++ b/test/files/pos/t7683-stop-after-parser/sample_2.scala
@@ -0,0 +1,6 @@
+
+package sample
+
+// just a sample that is compiled with the explosive plugin disabled
+object Sample extends App {
+}
diff --git a/test/files/pos/t7683-stop-after-parser/scalac-plugin.xml b/test/files/pos/t7683-stop-after-parser/scalac-plugin.xml
new file mode 100644
index 0000000000..2558d6fd03
--- /dev/null
+++ b/test/files/pos/t7683-stop-after-parser/scalac-plugin.xml
@@ -0,0 +1,5 @@
+<plugin>
+  <name>ignored</name>
+  <classname>scala.test.plugins.ThePlugin</classname>
+</plugin>
+
-- 
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