gamnit: make `SpriteSet` public so clients can use its services

[nit.git] / lib / parser_base.nit

diff --git a/lib/parser_base.nit b/lib/parser_base.nit
index 234b733..b623137 100644 (file)
--- a/lib/parser_base.nit
+++ b/lib/parser_base.nit
@@ -11,6 +11,8 @@
 # Simple base for hand-made parsers of all kinds
 module parser_base
 
+import serialization
+
 # Basic facilities for common parser operations on String sources
 class StringProcessor
        # Source document to parse
@@ -101,16 +103,21 @@ class StringProcessor
 
        # Ignores any printable character until a whitespace is encountered
        protected fun ignore_until_whitespace: Int do
-               while not src[pos].is_whitespace do pos += 1
+               while src.length > pos and not src[pos].is_whitespace do pos += 1
                return pos
        end
 
        # Returns the current location as a `Location` object
        protected fun hot_location: Location do return new Location(line, line_offset)
+
+       # Is `pos` at the end of the source?
+       protected fun eof: Bool do return pos >= src.length
 end
 
 # Information about the location of an entity in a source document
 class Location
+       serialize
+
        # Line in which the element is described
        var line: Int
        # Offset in the line at which the element is positioned