/*
* @(#)CaseStatement.java 1.11 95/09/14 Arthur van Hoff
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package sun.tools.tree;
import sun.tools.java.*;
import java.io.PrintStream;
import java.util.Hashtable;
public
class CaseStatement extends Statement {
Expression expr;
/**
* Constructor
*/
public CaseStatement(int where, Expression expr) {
super(CASE, where);
this.expr = expr;
}
/**
* Check statement
*/
long check(Environment env, Context ctx, long vset, Hashtable exp) {
if (expr != null) {
expr.checkValue(env, ctx, vset, exp);
expr = convert(env, ctx, Type.tInt, expr);
expr = expr.inlineValue(env, ctx);
}
return vset & ~DEAD_END;
}
/**
* The cost of inlining this statement
*/
public int costInline(int thresh) {
return 6;
}
/**
* Print
*/
public void print(PrintStream out, int indent) {
super.print(out, indent);
if (expr == null) {
out.print("default");
} else {
out.print("case ");
expr.print(out);
}
out.print(":");
}
}