org.cassandraunit.shaded.org.antlr.codegen.CSharp3Target Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of cassandra-unit-shaded Show documentation
Show all versions of cassandra-unit-shaded Show documentation
Shaded version of cassandra-unit
/*
* [The "BSD license"]
* Copyright (c) 2005-2008 Terence Parr
* All rights reserved.
*
* Conversion to C#:
* Copyright (c) 2008-2010 Sam Harwell, Pixel Mine, Inc.
* 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.codegen;
import org.antlr.Tool;
import org.antlr.tool.Grammar;
import org.stringtemplate.v4.AttributeRenderer;
import org.stringtemplate.v4.ST;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
public class CSharp3Target extends Target {
private static final HashSet _languageKeywords = new HashSet()
{{
add("abstract"); add("event"); add("new"); add("struct");
add("as"); add("explicit"); add("null"); add("switch");
add("base"); add("extern"); add("object"); add("this");
add("bool"); add("false"); add("operator"); add("throw");
add("break"); add("finally"); add("out"); add("true");
add("byte"); add("fixed"); add("override"); add("try");
add("case"); add("float"); add("params"); add("typeof");
add("catch"); add("for"); add("private"); add("uint");
add("char"); add("foreach"); add("protected"); add("ulong");
add("checked"); add("goto"); add("public"); add("unchecked");
add("class"); add("if"); add("readonly"); add("unsafe");
add("const"); add("implicit"); add("ref"); add("ushort");
add("continue"); add("in"); add("return"); add("using");
add("decimal"); add("int"); add("sbyte"); add("virtual");
add("default"); add("interface"); add("sealed"); add("volatile");
add("delegate"); add("internal"); add("short"); add("void");
add("do"); add("is"); add("sizeof"); add("while");
add("double"); add("lock"); add("stackalloc");
add("else"); add("long"); add("static");
add("enum"); add("namespace"); add("string");
}};
@Override
public boolean useBaseTemplatesForSynPredFragments() {
return false;
}
@Override
public String encodeIntAsCharEscape(int v) {
return "\\x" + Integer.toHexString(v).toUpperCase();
}
@Override
public String getTarget64BitStringFromValue(long word) {
return "0x" + Long.toHexString(word).toUpperCase();
}
@Override
protected void genRecognizerFile(Tool tool, CodeGenerator generator, Grammar grammar, ST outputFileST) throws IOException
{
if (!grammar.getGrammarIsRoot())
{
Grammar rootGrammar = grammar.composite.getRootGrammar();
String actionScope = grammar.getDefaultActionScope(grammar.type);
Map actions = rootGrammar.getActions().get(actionScope);
Object rootNamespace = actions != null ? actions.get("namespace") : null;
if (actions != null && rootNamespace != null)
{
actions = grammar.getActions().get(actionScope);
if (actions == null)
{
actions = new HashMap();
grammar.getActions().put(actionScope, actions);
}
actions.put("namespace", rootNamespace);
}
}
generator.getTemplates().registerRenderer(String.class, new StringRenderer(generator, this));
super.genRecognizerFile(tool, generator, grammar, outputFileST);
}
public static class StringRenderer implements AttributeRenderer
{
private final CodeGenerator _generator;
private final CSharp3Target _target;
public StringRenderer(CodeGenerator generator, CSharp3Target target)
{
_generator = generator;
_target = target;
}
@Override
public String toString(Object obj, String formatName, Locale locale)
{
String value = (String)obj;
if (value == null || formatName == null)
return value;
if (formatName.equals("id")) {
if (_languageKeywords.contains(value))
return "@" + value;
return value;
} else if (formatName.equals("cap")) {
return Character.toUpperCase(value.charAt(0)) + value.substring(1);
} else if (formatName.equals("string")) {
return _target.getTargetStringLiteralFromString(value, true);
} else {
throw new IllegalArgumentException("Unsupported format name: '" + formatName + "'");
}
}
}
}