add errorcode

errorcode/errorcode.go

@@ -0,0 +1,25 @@
+package errorcode
+
+type ErrorCode int
+
+const (
+	E_OK         ErrorCode = 10 /* No error */
+	E_EOF        ErrorCode = 11 /* End Of File */
+	E_INTR       ErrorCode = 12 /* Interrupted */
+	E_TOKEN      ErrorCode = 13 /* Bad token */
+	E_SYNTAX     ErrorCode = 14 /* Syntax error */
+	E_NOMEM      ErrorCode = 15 /* Ran out of memory */
+	E_DONE       ErrorCode = 16 /* Parsing complete */
+	E_ERROR      ErrorCode = 17 /* Execution error */
+	E_TABSPACE   ErrorCode = 18 /* Inconsistent mixing of tabs and spaces */
+	E_OVERFLOW   ErrorCode = 19 /* Node had too many children */
+	E_TOODEEP    ErrorCode = 20 /* Too many indentation levels */
+	E_DEDENT     ErrorCode = 21 /* No matching outer block for dedent */
+	E_DECODE     ErrorCode = 22 /* Error in decoding into Unicode */
+	E_EOFS       ErrorCode = 23 /* EOF in triple-quoted string */
+	E_EOLS       ErrorCode = 24 /* EOL in single-quoted string */
+	E_LINECONT   ErrorCode = 25 /* Unexpected characters after a line continuation */
+	E_IDENTIFIER ErrorCode = 26 /* Invalid characters in identifier */
+	E_BADSINGLE  ErrorCode = 27 /* Ill-formed single statement input */
+
+)