1.1 --- a/vm/src/main/java/org/apidesign/vm4brwsr/Variable.java Wed Dec 12 14:07:53 2012 +0100
1.2 +++ b/vm/src/main/java/org/apidesign/vm4brwsr/Variable.java Fri Dec 14 15:06:53 2012 +0100
1.3 @@ -1,100 +1,100 @@
1.4 -/**
1.5 - * Back 2 Browser Bytecode Translator
1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 - *
1.8 - * This program is free software: you can redistribute it and/or modify
1.9 - * it under the terms of the GNU General Public License as published by
1.10 - * the Free Software Foundation, version 2 of the License.
1.11 - *
1.12 - * This program is distributed in the hope that it will be useful,
1.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 - * GNU General Public License for more details.
1.16 - *
1.17 - * You should have received a copy of the GNU General Public License
1.18 - * along with this program. Look for COPYING file in the top folder.
1.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 - */
1.21 -package org.apidesign.vm4brwsr;
1.22 -
1.23 -final class Variable implements CharSequence {
1.24 - private static final String STACK_VAR_PREFIX = "st";
1.25 - private static final String LOCAL_VAR_PREFIX = "lc";
1.26 -
1.27 - private final String name;
1.28 - private final int type;
1.29 - private final int index;
1.30 -
1.31 - private static final char[] TYPE_IDS = { 'I', 'L', 'F', 'D', 'A' };
1.32 -
1.33 - private Variable(final String prefix, final int type, final int index) {
1.34 - this.name = prefix + TYPE_IDS[type] + index;
1.35 - this.type = type;
1.36 - this.index = index;
1.37 - }
1.38 -
1.39 - public static Variable getStackVariable(
1.40 - final int type, final int index) {
1.41 - // TODO: precreate frequently used variables
1.42 - return new Variable(STACK_VAR_PREFIX, type, index);
1.43 - }
1.44 -
1.45 - public static Variable getLocalVariable(
1.46 - final int type, final int index) {
1.47 - // TODO: precreate frequently used variables
1.48 - return new Variable(LOCAL_VAR_PREFIX, type, index);
1.49 - }
1.50 -
1.51 - public String getName() {
1.52 - return name;
1.53 - }
1.54 -
1.55 - public int getType() {
1.56 - return type;
1.57 - }
1.58 -
1.59 - public int getIndex() {
1.60 - return index;
1.61 - }
1.62 -
1.63 - public boolean isCategory2() {
1.64 - return VarType.isCategory2(type);
1.65 - }
1.66 -
1.67 - @Override
1.68 - public int length() {
1.69 - return name.length();
1.70 - }
1.71 -
1.72 - @Override
1.73 - public char charAt(final int index) {
1.74 - return name.charAt(index);
1.75 - }
1.76 -
1.77 - @Override
1.78 - public CharSequence subSequence(final int start, final int end) {
1.79 - return name.subSequence(start, end);
1.80 - }
1.81 -
1.82 - @Override
1.83 - public int hashCode() {
1.84 - return name.hashCode();
1.85 - }
1.86 -
1.87 - @Override
1.88 - public boolean equals(final Object other) {
1.89 - if (this == other) {
1.90 - return true;
1.91 - }
1.92 - if (!(other instanceof Variable)) {
1.93 - return false;
1.94 - }
1.95 -
1.96 - return name.equals(((Variable) other).name);
1.97 - }
1.98 -
1.99 - @Override
1.100 - public String toString() {
1.101 - return name;
1.102 - }
1.103 -}
1.104 +/**
1.105 + * Back 2 Browser Bytecode Translator
1.106 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.107 + *
1.108 + * This program is free software: you can redistribute it and/or modify
1.109 + * it under the terms of the GNU General Public License as published by
1.110 + * the Free Software Foundation, version 2 of the License.
1.111 + *
1.112 + * This program is distributed in the hope that it will be useful,
1.113 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.114 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.115 + * GNU General Public License for more details.
1.116 + *
1.117 + * You should have received a copy of the GNU General Public License
1.118 + * along with this program. Look for COPYING file in the top folder.
1.119 + * If not, see http://opensource.org/licenses/GPL-2.0.
1.120 + */
1.121 +package org.apidesign.vm4brwsr;
1.122 +
1.123 +final class Variable implements CharSequence {
1.124 + private static final String STACK_VAR_PREFIX = "st";
1.125 + private static final String LOCAL_VAR_PREFIX = "lc";
1.126 +
1.127 + private final String name;
1.128 + private final int type;
1.129 + private final int index;
1.130 +
1.131 + private static final char[] TYPE_IDS = { 'I', 'L', 'F', 'D', 'A' };
1.132 +
1.133 + private Variable(final String prefix, final int type, final int index) {
1.134 + this.name = prefix + TYPE_IDS[type] + index;
1.135 + this.type = type;
1.136 + this.index = index;
1.137 + }
1.138 +
1.139 + public static Variable getStackVariable(
1.140 + final int type, final int index) {
1.141 + // TODO: precreate frequently used variables
1.142 + return new Variable(STACK_VAR_PREFIX, type, index);
1.143 + }
1.144 +
1.145 + public static Variable getLocalVariable(
1.146 + final int type, final int index) {
1.147 + // TODO: precreate frequently used variables
1.148 + return new Variable(LOCAL_VAR_PREFIX, type, index);
1.149 + }
1.150 +
1.151 + public String getName() {
1.152 + return name;
1.153 + }
1.154 +
1.155 + public int getType() {
1.156 + return type;
1.157 + }
1.158 +
1.159 + public int getIndex() {
1.160 + return index;
1.161 + }
1.162 +
1.163 + public boolean isCategory2() {
1.164 + return VarType.isCategory2(type);
1.165 + }
1.166 +
1.167 + @Override
1.168 + public int length() {
1.169 + return name.length();
1.170 + }
1.171 +
1.172 + @Override
1.173 + public char charAt(final int index) {
1.174 + return name.charAt(index);
1.175 + }
1.176 +
1.177 + @Override
1.178 + public CharSequence subSequence(final int start, final int end) {
1.179 + return name.subSequence(start, end);
1.180 + }
1.181 +
1.182 + @Override
1.183 + public int hashCode() {
1.184 + return name.hashCode();
1.185 + }
1.186 +
1.187 + @Override
1.188 + public boolean equals(final Object other) {
1.189 + if (this == other) {
1.190 + return true;
1.191 + }
1.192 + if (!(other instanceof Variable)) {
1.193 + return false;
1.194 + }
1.195 +
1.196 + return name.equals(((Variable) other).name);
1.197 + }
1.198 +
1.199 + @Override
1.200 + public String toString() {
1.201 + return name;
1.202 + }
1.203 +}