Infrastructure for per-phase tests, with inline source as a string.

2 files changed, 12 insertions, 1 deletions

diff --git a/src/dotty/tools/dotc/Compiler.scala b/src/dotty/tools/dotc/Compiler.scala
index e48fed93b..9844557f5 100644
--- a/src/dotty/tools/dotc/Compiler.scala
+++ b/src/dotty/tools/dotc/Compiler.scala
@@ -7,10 +7,11 @@ import Periods._
 import Symbols._
 import typer.{FrontEnd, Typer, Mode, ImportInfo}
 import reporting.ConsoleReporter
+import dotty.tools.dotc.core.Phases.Phase
 
 class Compiler {
 
-  def phases = List(new FrontEnd)
+  def phases: List[Phase] = List(new FrontEnd)
 
   var runId = 1
   def nextRunId = { runId += 1; runId }
diff --git a/src/dotty/tools/dotc/Run.scala b/src/dotty/tools/dotc/Run.scala
index 928bf753a..cc9b8db3a 100644
--- a/src/dotty/tools/dotc/Run.scala
+++ b/src/dotty/tools/dotc/Run.scala
@@ -6,6 +6,7 @@ import Contexts._, Periods._, Symbols._
 import io.PlainFile
 import util.{SourceFile, NoSource, Stats, SimpleMap}
 import reporting.Reporter
+import java.io.FileWriter
 
 class Run(comp: Compiler)(implicit ctx: Context) {
 
@@ -29,6 +30,15 @@ class Run(comp: Compiler)(implicit ctx: Context) {
     }
   }
 
+  def compile(sourceCode: String): Unit = {
+    val tmpFile = java.io.File.createTempFile("dotty-source-tmp", ".scala")
+    tmpFile.createNewFile()
+    val writer = new FileWriter(tmpFile)
+    writer.write(sourceCode)
+    writer.close()
+    compile(List(tmpFile.getAbsolutePath))
+  }
+
   /** Print summary; return # of errors encountered */
   def printSummary(): Reporter = {
     ctx.runInfo.printMaxConstraint()