8141132: JEP 254: Compact Strings
Summary: Adopt a more space-efficient internal representation for strings.
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
Contributed-by: Brent Christian <brent.christian@oracle.com>, Vivek Deshpande <vivek.r.deshpande@intel.com>, Tobias Hartmann <tobias.hartmann@oracle.com>, Charlie Hunt <charlie.hunt@oracle.com>, Vladimir Kozlov <vladimir.kozlov@oracle.com>, Roger Riggs <roger.riggs@oracle.com>, Xueming Shen <xueming.shen@oracle.com>, Aleksey Shipilev <aleksey.shipilev@oracle.com>, Sandhya Viswanathan <sandhya.viswanathan@intel.com>
## Copyright (c) 2011, 2014, 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. Oracle designates this# particular file as subject to the "Classpath" exception as provided# by Oracle in the LICENSE file that accompanied this code.## 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 GensrcCommon.gmk################################################################################## Generate files using the charsetmapping tool#CHARSET_DATA_DIR := $(JDK_TOPDIR)/make/data/charsetmappingCHARSET_GENSRC_JAVA_DIR_CS := $(SUPPORT_OUTPUTDIR)/gensrc/jdk.charsets/sun/nio/cs/extCHARSET_DONE_CS := $(CHARSET_GENSRC_JAVA_DIR_CS)/_the.charsetmappingCHARSET_COPYRIGHT_HEADER := $(JDK_TOPDIR)/make/src/classes/build/tools/charsetmappingCHARSET_TEMPLATES := \ $(CHARSET_DATA_DIR)/SingleByte-X.java.template \ $(CHARSET_DATA_DIR)/DoubleByte-X.java.templateCHARSET_EXTENDED_JAVA_TEMPLATES := \ $(JDK_TOPDIR)/src/jdk.charsets/share/classes/sun/nio/cs/ext/ExtendedCharsets.java.templateCHARSET_EXTENDED_JAVA_DIR := $(JDK_TOPDIR)/src/jdk.charsets/share/classes/sun/nio/cs/extCHARSET_STANDARD_OS := stdcs-$(OPENJDK_TARGET_OS)$(CHARSET_DONE_CS)-extcs: $(CHARSET_DATA_DIR)/charsets \ $(wildcard $(CHARSET_DATA_DIR)/$(CHARSET_STANDARD_OS)) \ $(CHARSET_TEMPLATES) $(CHARSET_EXTENDED_JAVA_TEMPLATES) \ $(BUILD_TOOLS_JDK) $(MKDIR) -p $(@D) $(TOOL_CHARSETMAPPING) $(CHARSET_DATA_DIR) $(CHARSET_GENSRC_JAVA_DIR_CS) \ extcs charsets $(CHARSET_STANDARD_OS) \ $(CHARSET_EXTENDED_JAVA_TEMPLATES) \ $(CHARSET_EXTENDED_JAVA_DIR) \ $(CHARSET_COPYRIGHT_HEADER) \ $(LOG_INFO) $(TOUCH) '$@'$(CHARSET_DONE_CS)-hkscs: $(CHARSET_COPYRIGHT_HEADER)/HKSCS.java \ $(BUILD_TOOLS_JDK) $(MKDIR) -p $(@D) $(TOOL_CHARSETMAPPING) $(CHARSET_DATA_DIR) $(CHARSET_GENSRC_JAVA_DIR_CS) hkscs '$<' $(TOUCH) '$@'$(CHARSET_DONE_CS)-euctw: $(CHARSET_COPYRIGHT_HEADER)/EUC_TW.java \ $(BUILD_TOOLS_JDK) $(MKDIR) -p $(@D) $(TOOL_CHARSETMAPPING) $(CHARSET_DATA_DIR) $(CHARSET_GENSRC_JAVA_DIR_CS) euctw '$<' $(TOUCH) '$@'$(CHARSET_GENSRC_JAVA_DIR_CS)/sjis0213.dat: $(CHARSET_DATA_DIR)/sjis0213.map \ $(BUILD_TOOLS_JDK) $(MKDIR) -p $(@D) $(TOOL_CHARSETMAPPING) '$<' '$@' sjis0213GENSRC_JDK_CHARSETS += \ $(CHARSET_DONE_CS)-extcs \ $(CHARSET_DONE_CS)-hkscs \ $(CHARSET_DONE_CS)-euctw \ $(CHARSET_GENSRC_JAVA_DIR_CS)/sjis0213.dat \ #################################################################################jdk.charsets: $(GENSRC_JDK_CHARSETS)all: jdk.charsets.PHONY: all jdk.charsets