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, 158 insertions, 0 deletions

diff --git a/deps/icu-small/source/tools/toolutil/dbgutil.cpp b/deps/icu-small/source/tools/toolutil/dbgutil.cpp
new file mode 100644
index 0000000000..668a2269e2
--- /dev/null
+++ b/deps/icu-small/source/tools/toolutil/dbgutil.cpp
@@ -0,0 +1,158 @@
+/********************************************************************
+ * COPYRIGHT:
+ * Copyright (c) 2007-2012, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************/
+
+#include "udbgutil.h"
+#include "dbgutil.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/unistr.h"
+#include "unicode/ustring.h"
+#include "util.h"
+#include "ucln.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+U_NAMESPACE_USE
+
+static UnicodeString **strs = NULL;
+
+static const UnicodeString&  _fieldString(UDebugEnumType type, int32_t field, UnicodeString& fillin) {
+    const char *str = udbg_enumName(type, field);
+    if(str == NULL) {
+        return fillin.remove();
+    } else {
+        return fillin = UnicodeString(str, ""); // optimize?
+    }
+}
+
+U_CDECL_BEGIN
+static void udbg_cleanup(void) {
+    if(strs != NULL) {
+        for(int t=0;t<=UDBG_ENUM_COUNT;t++) {
+            delete [] strs[t];
+        }
+        delete[] strs;
+        strs = NULL;
+    }
+}
+
+static UBool tu_cleanup(void)
+{
+    udbg_cleanup();
+    return TRUE;
+}
+
+static void udbg_register_cleanup(void) {
+   ucln_registerCleanup(UCLN_TOOLUTIL, tu_cleanup);
+}
+U_CDECL_END
+
+static void udbg_setup(void) {
+    if(strs == NULL) {
+        udbg_register_cleanup();
+        //fprintf(stderr,"Initializing string cache..\n");
+        //fflush(stderr);
+        UnicodeString **newStrs = new UnicodeString*[UDBG_ENUM_COUNT+1];
+        for(int t=0;t<UDBG_ENUM_COUNT;t++) {
+            int32_t c = udbg_enumCount((UDebugEnumType)t);
+            newStrs[t] = new UnicodeString[c+1];
+            for(int f=0;f<=c;f++) {
+                _fieldString((UDebugEnumType)t, f, newStrs[t][f]);
+            }
+        }
+        newStrs[UDBG_ENUM_COUNT] = new UnicodeString[1]; // empty string
+
+        strs = newStrs;
+    }
+}
+
+
+
+U_TOOLUTIL_API const UnicodeString& U_EXPORT2 udbg_enumString(UDebugEnumType type, int32_t field) {
+    if(strs == NULL ) {
+        udbg_setup();
+    }
+    if(type<0||type>=UDBG_ENUM_COUNT) {
+        // use UDBG_ENUM_COUNT,0  to mean an empty string
+        //fprintf(stderr, "** returning out of range on %d\n",type);
+        //fflush(stderr);
+        return strs[UDBG_ENUM_COUNT][0];
+    }
+    int32_t count = udbg_enumCount(type);
+    //fprintf(stderr, "enumString [%d,%d]: typecount %d, fieldcount %d\n", type,field,UDBG_ENUM_COUNT,count);
+    //fflush(stderr);
+    if(field<0 || field > count) {
+        return strs[type][count];
+    } else {        return strs[type][field];
+    }
+}
+
+U_CAPI int32_t  U_EXPORT2 udbg_enumByString(UDebugEnumType type, const UnicodeString& string) {
+    if(type<0||type>=UDBG_ENUM_COUNT) {
+        return -1;
+    }
+    // initialize array
+    udbg_enumString(type,0);
+    // search
+   /// printf("type=%d\n", type); fflush(stdout);
+    for(int i=0;i<udbg_enumCount(type);i++) {
+//    printf("i=%d/%d\n", i, udbg_enumCount(type)); fflush(stdout);
+        if(string == (strs[type][i])) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+// from DataMap::utoi
+U_CAPI int32_t
+udbg_stoi(const UnicodeString &s)
+{
+    char ch[256];
+    const UChar *u = s.getBuffer();
+    int32_t len = s.length();
+    u_UCharsToChars(u, ch, len);
+    ch[len] = 0; /* include terminating \0 */
+    return atoi(ch);
+}
+
+
+U_CAPI double
+udbg_stod(const UnicodeString &s)
+{
+    char ch[256];
+    const UChar *u = s.getBuffer();
+    int32_t len = s.length();
+    u_UCharsToChars(u, ch, len);
+    ch[len] = 0; /* include terminating \0 */
+    return atof(ch);
+}
+
+U_CAPI UnicodeString *
+udbg_escape(const UnicodeString &src, UnicodeString *dst)
+{
+    dst->remove();
+    for (int32_t i = 0; i < src.length(); ++i) {
+        UChar c = src[i];
+        if(ICU_Utility::isUnprintable(c)) {
+            *dst += UnicodeString("[");
+            ICU_Utility::escapeUnprintable(*dst, c);
+            *dst += UnicodeString("]");
+        }
+        else {
+            *dst += c;
+        }
+    }
+
+    return dst;
+}
+
+
+
+#endif