allow accessing the JuliaInterpreter frame with a sentinel

Author: KristofferC

src/repl.jl

@@ -183,7 +183,8 @@ function eval_code(frame::Frame, command::AbstractString)
     vars = filter(v -> v.name != Symbol(""), JuliaInterpreter.locals(frame))
     res = gensym()
     eval_expr = Expr(:let,
-        Expr(:block, map(x->Expr(:(=), x...), [(v.name, maybe_quote(v.value)) for v in vars])...),
+        Expr(:block, map(x->Expr(:(=), x...), [(v.name, maybe_quote(v.value)) for v in vars])...,
+                     Expr(:(=), :__FRAME__ , frame)),
         Expr(:block,
             Expr(:(=), res, expr),
             Expr(:tuple, res, Expr(:tuple, [v.name for v in vars]...))

src/watch.jl

@@ -16,7 +16,8 @@ function show_watch_list(io, state::DebuggerState)
     for (i, expr) in enumerate(state.watch_list)
         vars = filter(v -> v.name != Symbol(""), JuliaInterpreter.locals(frame))
         eval_expr = Expr(:let,
-            Expr(:block, map(x->Expr(:(=), x...), [(v.name, maybe_quote(v.value)) for v in vars])...),
+            Expr(:block, map(x->Expr(:(=), x...), [(v.name, maybe_quote(v.value)) for v in vars])...,
+                         Expr(:(=), :__FRAME__ , frame)),
             expr)
         errored = false
         res = try