From 6d892c71b5538da1650efaa25c71468456209ecb Mon Sep 17 00:00:00 2001 From: parrt Date: Wed, 24 Jun 2015 18:22:07 -0700 Subject: [PATCH] mv JavaTarget to new target package --- .../org/antlr/v4/codegen/CodeGenerator.java | 4 +- tool/src/org/antlr/v4/codegen/JavaTarget.java | 124 ------------------ 2 files changed, 2 insertions(+), 126 deletions(-) delete mode 100644 tool/src/org/antlr/v4/codegen/JavaTarget.java diff --git a/tool/src/org/antlr/v4/codegen/CodeGenerator.java b/tool/src/org/antlr/v4/codegen/CodeGenerator.java index 386b6152b..e75a4f1f8 100644 --- a/tool/src/org/antlr/v4/codegen/CodeGenerator.java +++ b/tool/src/org/antlr/v4/codegen/CodeGenerator.java @@ -84,7 +84,7 @@ public class CodeGenerator { } public static boolean targetExists(String language) { - String targetName = "org.antlr.v4.codegen."+language+"Target"; + String targetName = "org.antlr.v4.codegen.target."+language+"Target"; try { Class c = Class.forName(targetName).asSubclass(Target.class); Constructor ctor = c.getConstructor(CodeGenerator.class); @@ -112,7 +112,7 @@ public class CodeGenerator { } protected void loadLanguageTarget(String language) { - String targetName = "org.antlr.v4.codegen."+language+"Target"; + String targetName = "org.antlr.v4.codegen.target."+language+"Target"; try { Class c = Class.forName(targetName).asSubclass(Target.class); Constructor ctor = c.getConstructor(CodeGenerator.class); diff --git a/tool/src/org/antlr/v4/codegen/JavaTarget.java b/tool/src/org/antlr/v4/codegen/JavaTarget.java deleted file mode 100644 index 2d2977a09..000000000 --- a/tool/src/org/antlr/v4/codegen/JavaTarget.java +++ /dev/null @@ -1,124 +0,0 @@ -/* - * [The "BSD license"] - * Copyright (c) 2012 Terence Parr - * Copyright (c) 2012 Sam Harwell - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -package org.antlr.v4.codegen; - -import org.antlr.v4.Tool; -import org.antlr.v4.tool.ast.GrammarAST; -import org.stringtemplate.v4.STGroup; -import org.stringtemplate.v4.StringRenderer; - -import java.util.Arrays; -import java.util.HashSet; -import java.util.Locale; -import java.util.Set; - -public class JavaTarget extends Target { - - /** - * The Java target can cache the code generation templates. - */ - private static final ThreadLocal targetTemplates = new ThreadLocal(); - - protected static final String[] javaKeywords = { - "abstract", "assert", "boolean", "break", "byte", "case", "catch", - "char", "class", "const", "continue", "default", "do", "double", "else", - "enum", "extends", "false", "final", "finally", "float", "for", "goto", - "if", "implements", "import", "instanceof", "int", "interface", - "long", "native", "new", "null", "package", "private", "protected", - "public", "return", "short", "static", "strictfp", "super", "switch", - "synchronized", "this", "throw", "throws", "transient", "true", "try", - "void", "volatile", "while" - }; - - /** Avoid grammar symbols in this set to prevent conflicts in gen'd code. */ - protected final Set badWords = new HashSet(); - - public JavaTarget(CodeGenerator gen) { - super(gen, "Java"); - } - - @Override - public String getVersion() { - return Tool.VERSION; // Java and tool versions move in lock step - } - - public Set getBadWords() { - if (badWords.isEmpty()) { - addBadWords(); - } - - return badWords; - } - - protected void addBadWords() { - badWords.addAll(Arrays.asList(javaKeywords)); - badWords.add("rule"); - badWords.add("parserRule"); - } - - @Override - public int getSerializedATNSegmentLimit() { - // 65535 is the class file format byte limit for a UTF-8 encoded string literal - // 3 is the maximum number of bytes it takes to encode a value in the range 0-0xFFFF - return 65535 / 3; - } - - @Override - protected boolean visibleGrammarSymbolCausesIssueInGeneratedCode(GrammarAST idNode) { - return getBadWords().contains(idNode.getText()); - } - - @Override - protected STGroup loadTemplates() { - STGroup result = targetTemplates.get(); - if (result == null) { - result = super.loadTemplates(); - result.registerRenderer(String.class, new JavaStringRenderer(), true); - targetTemplates.set(result); - } - - return result; - } - - protected static class JavaStringRenderer extends StringRenderer { - - @Override - public String toString(Object o, String formatString, Locale locale) { - if ("java-escape".equals(formatString)) { - // 5C is the hex code for the \ itself - return ((String)o).replace("\\u", "\\u005Cu"); - } - - return super.toString(o, formatString, locale); - } - - } -}