1 files changed, 80 insertions, 0 deletions
diff --git a/engines/glk/archetype/error.cpp b/engines/glk/archetype/error.cpp
new file mode 100644
index 0000000000..18cb4d6acb
--- /dev/null
+++ b/engines/glk/archetype/error.cpp
@@ -0,0 +1,80 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "glk/archetype/error.h"
+#include "glk/archetype/archetype.h"
+#include "glk/archetype/token.h"
+
+namespace Glk {
+namespace Archetype {
+
+void hit_eof(progfile &f, AclType expecting, int specific) {
+	if (KeepLooking) {
+		KeepLooking = false;
+		g_vm->write("Found end of file; expected ");
+		write_token(expecting, specific);
+		g_vm->writeln();
+	}
+}
+
+void expected(progfile &f, AclType expect_ttype, int expect_specific) {
+	if (KeepLooking) {
+		f.sourcePos();
+		g_vm->write("Expected ");
+		write_token(expect_ttype, expect_specific);
+		g_vm->write("; found ");
+		write_token(f.ttype, f.tnum);
+		g_vm->writeln();
+	}
+}
+
+void expect_general(progfile &f, const String &general_desc) {
+	if (KeepLooking) {
+		f.sourcePos();
+		g_vm->write("Expected %s; found ", general_desc.c_str());
+		write_token(f.ttype, f.tnum);
+		g_vm->writeln();
+	}
+}
+
+void error_message(progfile &f, const String &message) {
+	if (KeepLooking) {
+		f.sourcePos();
+		g_vm->writeln(message);
+	}
+}
+
+bool insist_on(progfile &f, AclType some_type, int some_number) {
+	if (!get_token(f)) {
+		hit_eof(f, some_type, some_number);
+		return false;
+	} else if (f.ttype != some_type && f.tnum != some_number) {
+		expected(f, some_type, some_number);
+		KeepLooking = false;
+		return false;
+	} else {
+		return true;
+	}
+}
+
+} // End of namespace Archetype
+} // End of namespace Glk