forgetest1
/
antlr
forked from jasder/antlr
1
0
Fork 0
Code Issues Pull Requests 1 Releases Wiki Activity

mv JavaTarget to new target package

This commit is contained in:
parrt 2015-06-24 18:22:07 -07:00
parent f97183955f
commit 6d892c71b5
2 changed files with 2 additions and 126 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tool/src/org/antlr/v4/codegen/CodeGenerator.java
View File

@ -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<? extends Target> c = Class.forName(targetName).asSubclass(Target.class);
Constructor<? extends Target> 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<? extends Target> c = Class.forName(targetName).asSubclass(Target.class);
Constructor<? extends Target> ctor = c.getConstructor(CodeGenerator.class);

124
tool/src/org/antlr/v4/codegen/JavaTarget.java
View File

@ -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<STGroup> targetTemplates = new ThreadLocal<STGroup>();
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<String> badWords = new HashSet<String>();
public JavaTarget(CodeGenerator gen) {
super(gen, "Java");
}
@Override
public String getVersion() {
return Tool.VERSION; // Java and tool versions move in lock step
}
public Set<String> 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);
}
}
}