Shorten ctx.typerState.reporter to ctx.reporter

... making use of method in `ctx`.

Author: odersky

src/dotty/tools/dotc/Driver.scala

@@ -24,7 +24,7 @@ abstract class Driver extends DotClass {
       catch {
         case ex: FatalError  =>
           ctx.error(ex.getMessage) // signals that we should fail compilation.
-          ctx.typerState.reporter
+          ctx.reporter
       }
     else emptyReporter
 

src/dotty/tools/dotc/Resident.scala

@@ -47,7 +47,7 @@ class Resident extends Driver {
         nextCtx = rootCtx
         line = getLine()
       }
-      if (line.startsWith(quit)) ctx.typerState.reporter
+      if (line.startsWith(quit)) ctx.reporter
       else loop(line split "\\s+", nextCtx)
     }
     loop(args, rootCtx)

src/dotty/tools/dotc/Run.scala

@@ -84,7 +84,7 @@ class Run(comp: Compiler)(implicit ctx: Context) {
   /** Print summary; return # of errors encountered */
   def printSummary(): Reporter = {
     ctx.runInfo.printMaxConstraint()
-    val r = ctx.typerState.reporter
+    val r = ctx.reporter
     r.printSummary
     r
   }

src/dotty/tools/dotc/transform/TreeChecker.scala

@@ -118,7 +118,7 @@ class TreeChecker extends Phase with SymTransformer {
     val squahsedPhase = ctx.squashed(prevPhase)
     ctx.println(s"checking ${ctx.compilationUnit} after phase ${squahsedPhase}")
     val checkingCtx = ctx.fresh
-      .setTyperState(ctx.typerState.withReporter(new ThrowingReporter(ctx.typerState.reporter)))
+      .setTyperState(ctx.typerState.withReporter(new ThrowingReporter(ctx.reporter)))
     val checker = new Checker(previousPhases(phasesToRun.toList)(ctx))
     try checker.typedExpr(ctx.compilationUnit.tpdTree)(checkingCtx)
     catch {

src/dotty/tools/dotc/typer/Applications.scala

@@ -153,7 +153,7 @@ trait Applications extends Compatibility { self: Typer =>
 
     def ok = _ok
     def ok_=(x: Boolean) = {
-      assert(x || ctx.errorsReported || !ctx.typerState.isCommittable) // !!! DEBUG
+      assert(x || ctx.reporter.errorsReported || !ctx.typerState.isCommittable) // !!! DEBUG
       _ok = x
     }
 

src/dotty/tools/dotc/typer/Implicits.scala

@@ -495,7 +495,7 @@ trait Implicits { self: Typer =>
               case _ => false
             }
           }
-        if (ctx.typerState.reporter.hasErrors)
+        if (ctx.reporter.hasErrors)
           nonMatchingImplicit(ref)
         else if (contextual && !ctx.mode.is(Mode.ImplicitShadowing) &&
                  !shadowing.tpe.isError && !refMatches(shadowing)) {