Merge pull request #80 from Sei-Lisa/sei-fix-parser-segfault

Fix segfault when recovering from syntax error after the last global

lslmini.y

@@ -242,18 +242,14 @@ globals
 	}
 	| global globals
 	{
-		if ( $1 ) {
+		if ( $1 && $2 ) {
 			DEBUG( LOG_DEBUG_SPAM, NULL, "** global [%p,%p] globals [%p,%p]\n", $1->get_prev(), $1->get_next(), $2->get_prev(), $2->get_next());
 			$1->add_next_sibling($2);
 			$$ = $1;
 		} else {
-			$$ = $2;
+			$$ = $2 ? $2 : $1;
 		}
 	}
-	| error ';'
-	{
-		$$ = NULL;
-	}
 	;
 
 global
@@ -265,6 +261,10 @@ global
 	{
 		$$ = new LLScriptGlobalStorage(NULL, $1);
 	}
+	| error ';'
+	{
+		$$ = NULL;
+	}
 	;
 
 name_type

scripts/bugs/0079a.lsl

@@ -0,0 +1,3 @@
+integer a; // $[E20009] Declared but not used
+b;         // $[E10019] Syntax error (it was causing a segfault)
+default { state_entry() {} }

scripts/bugs/0079b.lsl

@@ -0,0 +1,4 @@
+integer a; // $[E20009] Declared and not used
+b;         // $[E10019] Syntax error
+integer c; // $[E20009] Declared and not used
+default { state_entry() {} }