Rename REAMDE to README.md

[nit.git] / src / parser / lexer_work.nit

diff --git a/src/parser/lexer_work.nit b/src/parser/lexer_work.nit
index d8c287a..0f06bce 100644 (file)
--- a/src/parser/lexer_work.nit
+++ b/src/parser/lexer_work.nit
@@ -80,8 +80,9 @@ end
 # It is better user with the Parser
 class Lexer
        super TablesCapable
+
        # Last peeked token
-       var token: nullable Token
+       var token: nullable Token = null
 
        # Lexer current state
        private var state: Int = 0
@@ -104,12 +105,6 @@ class Lexer
        # Constante state values
        private fun state_initial: Int do return 0 end
 
-       # Create a new lexer for a stream (and a name)
-       init(file: SourceFile)
-       do
-               self.file = file
-       end
-
        # The last peeked token to chain them
        private var last_token: nullable Token = null
 
@@ -239,20 +234,21 @@ class Lexer
                                end
                        else
                                if accept_state != -1 then
-                                       var location = new Location(file, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                        _pos = accept_pos
                                        _line = accept_line
                                        _stream_pos = start_stream_pos + accept_length
                                        if accept_token == 0 then
+                                               # Ignored token (whitespaces)
                                                return null
                                        end
+                                       var location = new Location(file, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                        return make_token(accept_token, location)
                                else
                                        _stream_pos = sp
                                        var location = new Location(file, start_line + 1, start_line + 1, start_pos + 1, start_pos + 1)
                                        if sp > start_stream_pos then
                                                var text = string.substring(start_stream_pos, sp-start_stream_pos)
-                                               var token = new ALexerError.init_lexer_error("Syntax error: unknown token {text}.", location, text)
+                                               var token = new ALexerError.init_lexer_error("Syntax Error: unknown token `{text}`.", location, text)
                                                file.last_token = token
                                                return token
                                        else