1. Added a BigInt class

2. Error rather than crash when regexp pattern is encountered 3. Small
bug fixes. 4. Added support for filter and subRange in all array classes
(was missing before). 5. Prepared for generalization of implicit
conversions as needed for BigInt (but this is not yet enabled).

1 files changed, 4 insertions, 0 deletions

diff --git a/src/compiler/scala/tools/nsc/typechecker/Contexts.scala b/src/compiler/scala/tools/nsc/typechecker/Contexts.scala
index 0da9ee6177..d4833ba155 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Contexts.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Contexts.scala
@@ -71,6 +71,7 @@ trait Contexts requires Analyzer {
                                              // after the this constructor call?
     var reportAmbiguousErrors = false;
     var reportGeneralErrors = false;
+    var implicitsEnabled = false;
     var checking = false;
 
     var savedTypeBounds: List[Pair[Symbol, Type]] = List();
@@ -102,6 +103,7 @@ trait Contexts requires Analyzer {
       c.imports = imports;
       c.reportAmbiguousErrors = this.reportAmbiguousErrors;
       c.reportGeneralErrors = this.reportGeneralErrors;
+      c.implicitsEnabled = this.implicitsEnabled;
       c.checking = this.checking;
       c.outer = this;
       c
@@ -111,6 +113,7 @@ trait Contexts requires Analyzer {
       val c = make(unit, EmptyTree, owner, scope, imports);
       c.reportAmbiguousErrors = true;
       c.reportGeneralErrors = true;
+      c.implicitsEnabled = true;
       c
     }
 
@@ -133,6 +136,7 @@ trait Contexts requires Analyzer {
       val c = make(tree);
       c.reportAmbiguousErrors = reportAmbiguousErrors;
       c.reportGeneralErrors = false;
+      c.implicitsEnabled = false;
       c
     }