X-Git-Url: http://nitlanguage.org

diff --git a/src/parser/parser_work.nit b/src/parser/parser_work.nit
index 03d82b12..7daee0f 100644
--- a/src/parser/parser_work.nit
+++ b/src/parser/parser_work.nit
@@ -20,10 +20,10 @@ intrude import parser_prod
 # State of the parser automata as stored in the parser stack.
 private class State
 	# The internal state number
-	readable writable var _state: Int
+	var state: Int
 
 	# The node stored with the state in the stack
-	readable writable var _nodes: nullable Object
+	var nodes: nullable Object
 
 	init(state: Int, nodes: nullable Object)
 	do
@@ -32,16 +32,17 @@ private class State
 	end
 end
 
+# The parser of the Nit language.
 class Parser
 	super TablesCapable
 	# Associated lexer
-	var _lexer: Lexer
+	var lexer: Lexer
 
 	# Stack of pushed states and productions
-	var _stack: Array[State]
+	private var stack: Array[State]
 
 	# Position in the stack
-	var _stack_pos: Int
+	private var stack_pos: Int
 
 	# Create a new parser based on a given lexer
 	init(lexer: Lexer)
@@ -83,8 +84,8 @@ class Parser
 		_stack_pos = pos
 		if pos < _stack.length then
 			var state = _stack[pos]
-			state.state = numstate
-			state.nodes = list_node
+			state._state = numstate
+			state._nodes = list_node
 		else
 			_stack.push(new State(numstate, list_node))
 		end
@@ -93,13 +94,13 @@ class Parser
 	# The current state
 	private fun state: Int
 	do
-		return _stack[_stack_pos].state
+		return _stack[_stack_pos]._state
 	end
 
 	# Pop something from the stack state
 	private fun pop: nullable Object
 	do
-		var res = _stack[_stack_pos].nodes
+		var res = _stack[_stack_pos]._nodes
 		_stack_pos = _stack_pos -1
 		return res
 	end
@@ -153,6 +154,8 @@ class Parser
 				(new ComputeProdLocationVisitor).enter_visit(node)
 				return node
 			else if action_type == 3 then # ERROR
+				# skip injected tokens
+				while not isset token._location do token = lexer.next
 				var node2 = new AParserError.init_parser_error("Syntax error: unexpected {token}.", token.location, token)
 				var node = new Start(null, node2)
 				return node
@@ -160,33 +163,34 @@ class Parser
 		end
 	end
 
-	var _reduce_table: Array[ReduceAction]
+	private var reduce_table: Array[ReduceAction]
 	private fun build_reduce_table is abstract
 end
 
 redef class Prod
 	# Location on the first token after the start of a production
-	# So outside the production for epilon production
-	var _first_location: nullable Location
+	# So outside the production for epsilon production
+	var first_location: nullable Location
 end
 
 # Find location of production nodes
 # Uses existing token locations to infer location of productions.
 private class ComputeProdLocationVisitor
 	super Visitor
-	# Currenlty visited productions that need a first token
-	var _need_first_prods: Array[Prod] = new Array[Prod]
+	# Currently visited productions that need a first token
+	var need_first_prods = new Array[Prod]
 
 	# Already visited epsilon productions that waits something after them
-	var _need_after_epsilons: Array[Prod] = new Array[Prod]
+	var need_after_epsilons = new Array[Prod]
 
 	# Location of the last visited token in the current production
-	var _last_location: nullable Location = null
+	var last_location: nullable Location = null
 
 	redef fun visit(n: ANode)
 	do
 		if n isa Token then
-			var loc = n.location
+			if not isset n._location then return
+			var loc = n._location
 			_last_location = loc
 
 			# Add a first token to productions that need one
@@ -237,7 +241,7 @@ private class ComputeProdLocationVisitor
 	init do end
 end
 
-# Each reduca action has its own class, this one is the root of the hierarchy.
+# Each reduce action has its own class, this one is the root of the hierarchy.
 private abstract class ReduceAction
 	fun action(p: Parser) is abstract
 	fun concat(l1, l2 : Array[Object]): Array[Object]
@@ -246,6 +250,6 @@ private abstract class ReduceAction
 		l1.append(l2)
 		return l1
 	end
-	var _goto: Int
+	var goto: Int
 	init(g: Int) do _goto = g
 end