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/*
* RichSyntaxClass.java
*
* comments here.
*
* @author Michiaki Tatsubori
* @version %VERSION% %DATE%
* @see java.lang.Object
*
* COPYRIGHT 1999 by Michiaki Tatsubori, ALL RIGHTS RESERVED.
*/
package examples.syntax;
import java.lang.Object;
import openjava.mop.*;
import openjava.ptree.*;
import openjava.syntax.*;
public class RichSyntaxClass instantiates Metaclass extends OJClass
{
public void translateDefinition() {
String[] str = new String[] {
"hates", "loves", "keeps", "forwards", "before", "after",
"chooses", "adapts", "pre" };
for (int i = 0; i < str.length; ++i) {
ParseTree suffix;
suffix = this.getSuffix( str[i] );
if (suffix != null) {
System.out.println( this.toString() + " involves a suffix " +
" \"" + str[i] + "\" :" );
System.out.println( "\t" + suffix );
}
OJMethod[] methods = getDeclaredMethods();
for (int j = 0; j < methods.length; ++j) {
suffix = methods[j].getSuffix( str[i] );
if (suffix != null) {
System.out.println( methods[j].toString() +
" involves a suffix " +
" ( " + str[i] + " ):" );
System.out.println( "\t" + suffix );
}
}
}
}
public static boolean isRegisteredKeyword( String keyword ) {
if (keyword.equals( "replacedBy" )) return true;
if (keyword.equals( "hates" )) return true;
if (keyword.equals( "loves" )) return true;
if (keyword.equals( "keeps" )) return true;
if (keyword.equals( "forwards" )) return true;
if (keyword.equals( "before" )) return true;
if (keyword.equals( "after" )) return true;
if (keyword.equals( "chooses" )) return true;
if (keyword.equals( "adapts" )) return true;
if (keyword.equals( "pre" )) return true;
return OJClass.isRegisteredKeyword( keyword );
}
public static SyntaxRule getDeclSuffixRule( String keyword ) {
if (keyword.equals( "hates" )) return new NameRule();
if (keyword.equals( "loves" )) return new TypeNameRule();
if (keyword.equals( "keeps" )) return new ExpressionRule();
if (keyword.equals( "forwards" )) {
return new IterationRule( new TypeNameRule(), false );
}
if (keyword.equals( "before" ) || keyword.equals( "after" )) {
return new BlockRule();
}
if (keyword.equals( "chooses" ) || keyword.equals( "after" )) {
return new SelectionRule( new TypeNameRule(), new BlockRule() );
}
if (keyword.equals( "adapts" ) || keyword.equals( "after" )) {
return new CompositeRule(
new NameRule(),
new PrepPhraseRule( "in", new NameRule() ),
new PrepPhraseRule( "to", new NameRule() ) );
}
return OJClass.getDeclSuffixRule( keyword );
}
public static SyntaxRule getDeclSuffixRule(Environment env,
String keyword)
{
if (keyword.equals("pre")) return new ExpressionRule(env);
return OJClass.getDeclSuffixRule(env, keyword);
}
public static SyntaxRule getTypeSuffixRule( String keyword ) {
if (keyword.equals( "replacedBy" )) return new TypeNameRule();
return OJClass.getTypeSuffixRule( keyword );
}
public static boolean isRegisteredModifier( String keyword ) {
if (keyword.equals( "remote" )) return true;
if (keyword.equals( "crazy" )) return true;
return false;
}
}
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