better error reporting for parser

test/register/interpreter/helper.rb

@@ -5,7 +5,7 @@ module Ticker
 
   def setup
     machine = Register.machine.boot
-    syntax  = Parser::Salama.new.parse_with_debug(@string_input)
+    syntax  = Parser::Salama.new.parse_with_debug(@string_input, reporter: Parslet::ErrorReporter::Deepest.new)
     parts = Parser::Transform.new.apply(syntax)
     #puts parts.inspect
     Soml.compile( parts )

test/soml/expressions/helper.rb

@@ -19,7 +19,7 @@ module ExpressionHelper
     machine.boot unless machine.booted
     parser = Parser::Salama.new
     parser = parser.send @root
-    syntax  = parser.parse_with_debug(@string_input)
+    syntax  = parser.parse_with_debug(@string_input, reporter: Parslet::ErrorReporter::Deepest.new)
     parts = Parser::Transform.new.apply(syntax)
     #puts parts.inspect
     compiler = Soml::Compiler.new

test/test_runner.rb

@@ -21,7 +21,7 @@ class TestRunner < MiniTest::Test
     string = File.read(file)
     parser = Parser::Salama.new
     object_space = Register::Program.new "Arm"
-    syntax  = parser.parse_with_debug(string)
+    syntax  = parser.parse_with_debug(string, reporter: Parslet::ErrorReporter::Deepest.new)
     assert syntax
     parts   = Parser::Transform.new.apply(syntax)
     # file is a list of statements, all but the last must be a function