mirror of
https://github.com/marcin-szczepanski/jFuzzyLogic.git
synced 2024-08-17 02:11:56 +02:00
79 lines
3.2 KiB
Java
79 lines
3.2 KiB
Java
![]() |
/*
|
||
|
[The "BSD licence"]
|
||
|
Copyright (c) 2007 Ronald Blaschke
|
||
|
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.analysis.Label;
|
||
|
import org.antlr.tool.AttributeScope;
|
||
|
import org.antlr.tool.Grammar;
|
||
|
import org.antlr.tool.RuleLabelScope;
|
||
|
|
||
|
public class Perl5Target extends Target {
|
||
|
public Perl5Target() {
|
||
|
AttributeScope.tokenScope.addAttribute("self", null);
|
||
|
RuleLabelScope.predefinedLexerRulePropertiesScope.addAttribute("self", null);
|
||
|
}
|
||
|
|
||
|
public String getTargetCharLiteralFromANTLRCharLiteral(final CodeGenerator generator,
|
||
|
final String literal) {
|
||
|
final StringBuffer buf = new StringBuffer(10);
|
||
|
|
||
|
final int c = Grammar.getCharValueFromGrammarCharLiteral(literal);
|
||
|
if (c < Label.MIN_CHAR_VALUE) {
|
||
|
buf.append("\\x{0000}");
|
||
|
} else if (c < targetCharValueEscape.length &&
|
||
|
targetCharValueEscape[c] != null) {
|
||
|
buf.append(targetCharValueEscape[c]);
|
||
|
} else if (Character.UnicodeBlock.of((char) c) ==
|
||
|
Character.UnicodeBlock.BASIC_LATIN &&
|
||
|
!Character.isISOControl((char) c)) {
|
||
|
// normal char
|
||
|
buf.append((char) c);
|
||
|
} else {
|
||
|
// must be something unprintable...use \\uXXXX
|
||
|
// turn on the bit above max "\\uFFFF" value so that we pad with zeros
|
||
|
// then only take last 4 digits
|
||
|
String hex = Integer.toHexString(c | 0x10000).toUpperCase().substring(1, 5);
|
||
|
buf.append("\\x{");
|
||
|
buf.append(hex);
|
||
|
buf.append("}");
|
||
|
}
|
||
|
|
||
|
if (buf.indexOf("\\") == -1) {
|
||
|
// no need for interpolation, use single quotes
|
||
|
buf.insert(0, '\'');
|
||
|
buf.append('\'');
|
||
|
} else {
|
||
|
// need string interpolation
|
||
|
buf.insert(0, '\"');
|
||
|
buf.append('\"');
|
||
|
}
|
||
|
|
||
|
return buf.toString();
|
||
|
}
|
||
|
}
|