[vala/0.10] Fix error handling for character literals

[Jürg Billeter <juergbi src gnome org>]

commit 874b97d64911047241686ab87b4e211a3f092dd1
Author: Jürg Billeter <j bitron ch>
Date:   Fri Aug 20 21:19:10 2010 +0200

    Fix error handling for character literals

 vala/valacharacterliteral.vala |    2 +-
 vala/valascanner.vala          |    4 ++++
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/vala/valacharacterliteral.vala b/vala/valacharacterliteral.vala
index d368d7d..91a3028 100644
--- a/vala/valacharacterliteral.vala
+++ b/vala/valacharacterliteral.vala
@@ -38,7 +38,7 @@ public class Vala.CharacterLiteral : Literal {
 		set {
 			_value = value;
 			
-			if (!value.validate () || (value.length != 3 && value.next_char ().get_char () != '\\')) {
+			if (!value.validate ()) {
 				error = true;
 			}
 		}
diff --git a/vala/valascanner.vala b/vala/valascanner.vala
index d5dc063..955b9a0 100644
--- a/vala/valascanner.vala
+++ b/vala/valascanner.vala
@@ -1156,6 +1156,10 @@ public class Vala.Scanner {
 							Report.error (new SourceReference (source_file, line, column + token_length_in_chars, line, column + token_length_in_chars), "invalid UTF-8 character");
 						}
 					}
+					if (current < end && begin[0] == '\'' && current[0] != '\'') {
+						// multiple characters in single character literal
+						Report.error (new SourceReference (source_file, line, column + token_length_in_chars, line, column + token_length_in_chars), "invalid character literal");
+					}
 				}
 				if (current < end) {
 					current++;