deps: Intl: Check in "small-icu" 57.1

* this commit has "small" ICU 57.1.
See other related commit for tools to generate this commit.

Fixes: https://github.com/nodejs/node/issues/3476
PR-URL: https://github.com/nodejs/node/pull/6088
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/deps/icu-small/source/tools/genrb/read.h b/deps/icu-small/source/tools/genrb/read.h
new file mode 100644
index 0000000000..f79b145f25
--- /dev/null
+++ b/deps/icu-small/source/tools/genrb/read.h
@@ -0,0 +1,52 @@
+/*
+*******************************************************************************
+*
+*   Copyright (C) 1998-2011, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*
+* File read.h
+*
+* Modification History:
+*
+*   Date        Name        Description
+*   05/26/99    stephen     Creation.
+*   5/10/01     Ram         removed ustdio dependency
+*******************************************************************************
+*/
+
+#ifndef READ_H
+#define READ_H 1
+
+#include "unicode/utypes.h"
+#include "ustr.h"
+#include "ucbuf.h"
+
+/* The types of tokens which may be returned by getNextToken.
+   NOTE: Keep these in sync with tokenNames in parse.c */
+enum ETokenType
+{
+    TOK_STRING,          /* A string token, such as "MonthNames" */
+    TOK_OPEN_BRACE,      /* An opening brace character */
+    TOK_CLOSE_BRACE,     /* A closing brace character */
+    TOK_COMMA,           /* A comma */
+    TOK_COLON,           /* A colon */
+
+    TOK_EOF,             /* End of the file has been reached successfully */
+    TOK_ERROR,           /* An error, such an unterminated quoted string */
+    TOK_TOKEN_COUNT      /* Number of "real" token types */
+};
+
+U_CFUNC UChar32 unescape(UCHARBUF *buf, UErrorCode *status);
+
+U_CFUNC void resetLineNumber(void);
+
+U_CFUNC enum ETokenType
+getNextToken(UCHARBUF *buf,
+             struct UString *token,
+             uint32_t *linenumber, /* out: linenumber of token */
+             struct UString *comment,
+             UErrorCode *status);
+
+#endif