add parser

src/error.h

@@ -0,0 +1,46 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ERROR_H
+#define ERROR_H 
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void lexer_dump_buffer_state ();
+
+#define unreachable() assert(0)
+
+static inline void
+fatal (int code)
+{
+  printf ("FATAL: %d\n", code);
+  lexer_dump_buffer_state ();
+  unreachable ();
+  exit (code);
+}
+
+#define ERR_IO (-1)
+#define ERR_BUFFER_SIZE (-2)
+#define ERR_SEVERAL_FILES (-3)
+#define ERR_NO_FILES (-4)
+#define ERR_NON_CHAR (-5)
+#define ERR_UNCLOSED (-6)
+#define ERR_INT_LITERAL (-7)
+#define ERR_STRING (-8)
+#define ERR_PARSER (-9)
+
+#endif /* ERROR_H */