Fix let a; end statements (#10)

src/SoftGlobalScope.jl

@@ -86,20 +86,24 @@ else
 
     # Deal with assignments where the LHS is always local but the RHS might require global statements
     # For example, with previously defined a, let a = (a = 1) ; end -> let a = (global a = 1) ; end
-    function localassignment(ex::Expr, globals, locals, insertglobal)
+    function localassignment(ex, globals, locals, insertglobal)
         if isexpr(ex, :block)
             args = []
             for arg in ex.args
                 if isexpr(arg, :(=))
                     push!(args, Expr(arg.head, arg.args[1], _softscope(arg.args[2], globals, locals, insertglobal)))
                     union!(locals, localvars(arg.args[1]))
+                elseif arg isa Symbol
+                    push!(args, arg)
                 else
                     error("Unknown syntax - please file an issue in the SoftGlobalScope.jl repository")
                 end
             end
             return Expr(ex.head, args...)
         elseif isexpr(ex, :(=))
             return Expr(ex.head, ex.args[1], _softscope(ex.args[2], globals, locals, insertglobal))
+        elseif ex isa Symbol
+            return ex
         else
             error("Unknown syntax - please file an issue in the SoftGlobalScope.jl repository")
         end

test/runtests.jl

@@ -61,6 +61,8 @@ end
         @test softscope(TestMod, nl"sqrt((for i = 1:10; a+=1; end; a))") == nl"sqrt((for i = 1:10; global a+=1; end; a))"
         @test softscope(TestMod, nl"let a = (local b = 2; a = 1), b = (b = 3); end") == nl"let a = (local b = 2; global a = 1), b = (b = 3); end"
         @test softscope(TestMod, nl"f(a=(for i = 1:10; a+=1; end; a))") == nl"f(a=(for i = 1:10; global a+=1; end; a))"
+        @test softscope(TestMod, nl"let a; a = 1; end") == nl"let a; a = 1; end"
+        @test softscope(TestMod, nl"let a, b; a = 1; end") == nl"let a, b; a = 1; end"
     end
 end