--- a/hotspot/src/share/vm/oops/symbolOop.cpp Thu Feb 03 17:22:28 2011 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code 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
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-#include "precompiled.hpp"
-#include "oops/oop.inline.hpp"
-#include "oops/symbolOop.hpp"
-
-
-// ------------------------------------------------------------------
-// symbolOopDesc::equals
-//
-// Compares the symbol with a string of the given length.
-bool symbolOopDesc::equals(const char* str, int len) const {
- int l = utf8_length();
- if (l != len) return false;
- while (l-- > 0) {
- if (str[l] != (char) byte_at(l))
- return false;
- }
- assert(l == -1, "we should be at the beginning");
- return true;
-}
-
-
-// ------------------------------------------------------------------
-// symbolOopDesc::starts_with
-//
-// Tests if the symbol starts with the specified prefix of the given
-// length.
-bool symbolOopDesc::starts_with(const char* prefix, int len) const {
- if (len > utf8_length()) return false;
- while (len-- > 0) {
- if (prefix[len] != (char) byte_at(len))
- return false;
- }
- assert(len == -1, "we should be at the beginning");
- return true;
-}
-
-
-// ------------------------------------------------------------------
-// symbolOopDesc::index_of
-//
-// Finds if the given string is a substring of this symbol's utf8 bytes.
-// Return -1 on failure. Otherwise return the first index where str occurs.
-int symbolOopDesc::index_of_at(int i, const char* str, int len) const {
- assert(i >= 0 && i <= utf8_length(), "oob");
- if (len <= 0) return 0;
- char first_char = str[0];
- address bytes = (address) ((symbolOopDesc*)this)->base();
- address limit = bytes + utf8_length() - len; // inclusive limit
- address scan = bytes + i;
- if (scan > limit)
- return -1;
- for (;;) {
- scan = (address) memchr(scan, first_char, (limit + 1 - scan));
- if (scan == NULL)
- return -1; // not found
- assert(scan >= bytes+i && scan <= limit, "scan oob");
- if (memcmp(scan, str, len) == 0)
- return (int)(scan - bytes);
- }
-}
-
-
-char* symbolOopDesc::as_C_string(char* buf, int size) const {
- if (size > 0) {
- int len = MIN2(size - 1, utf8_length());
- for (int i = 0; i < len; i++) {
- buf[i] = byte_at(i);
- }
- buf[len] = '\0';
- }
- return buf;
-}
-
-char* symbolOopDesc::as_C_string() const {
- int len = utf8_length();
- char* str = NEW_RESOURCE_ARRAY(char, len + 1);
- return as_C_string(str, len + 1);
-}
-
-char* symbolOopDesc::as_C_string_flexible_buffer(Thread* t,
- char* buf, int size) const {
- char* str;
- int len = utf8_length();
- int buf_len = len + 1;
- if (size < buf_len) {
- str = NEW_RESOURCE_ARRAY(char, buf_len);
- } else {
- str = buf;
- }
- return as_C_string(str, buf_len);
-}
-
-void symbolOopDesc::print_symbol_on(outputStream* st) {
- st = st ? st : tty;
- int length = UTF8::unicode_length((const char*)bytes(), utf8_length());
- const char *ptr = (const char *)bytes();
- jchar value;
- for (int index = 0; index < length; index++) {
- ptr = UTF8::next(ptr, &value);
- if (value >= 32 && value < 127 || value == '\'' || value == '\\') {
- st->put(value);
- } else {
- st->print("\\u%04x", value);
- }
- }
-}
-
-jchar* symbolOopDesc::as_unicode(int& length) const {
- symbolOopDesc* this_ptr = (symbolOopDesc*)this;
- length = UTF8::unicode_length((char*)this_ptr->bytes(), utf8_length());
- jchar* result = NEW_RESOURCE_ARRAY(jchar, length);
- if (length > 0) {
- UTF8::convert_to_unicode((char*)this_ptr->bytes(), result, length);
- }
- return result;
-}
-
-const char* symbolOopDesc::as_klass_external_name(char* buf, int size) const {
- if (size > 0) {
- char* str = as_C_string(buf, size);
- int length = (int)strlen(str);
- // Turn all '/'s into '.'s (also for array klasses)
- for (int index = 0; index < length; index++) {
- if (str[index] == '/') {
- str[index] = '.';
- }
- }
- return str;
- } else {
- return buf;
- }
-}
-
-const char* symbolOopDesc::as_klass_external_name() const {
- char* str = as_C_string();
- int length = (int)strlen(str);
- // Turn all '/'s into '.'s (also for array klasses)
- for (int index = 0; index < length; index++) {
- if (str[index] == '/') {
- str[index] = '.';
- }
- }
- return str;
-}