/* * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.tools.tree;import sun.tools.java.*;import sun.tools.asm.Assembler;/** * WARNING: The contents of this source file are not part of any * supported API. Code that depends on them does so at its own risk: * they are subject to change or removal without notice. */publicclass IntegerExpression extends ConstantExpression { int value; /** * Constructor */ IntegerExpression(int op, long where, Type type, int value) { super(op, where, type); this.value = value; } /** * See if this number fits in the given type. */ public boolean fitsType(Environment env, Context ctx, Type t) { if (this.type.isType(TC_CHAR)) { // A char constant is not really an int constant, // so do not report that 'a' fits in a byte or short, // even if its value is in fact 7-bit ascii. See JLS 5.2. return super.fitsType(env, ctx, t); } switch (t.getTypeCode()) { case TC_BYTE: return value == (byte)value; case TC_SHORT: return value == (short)value; case TC_CHAR: return value == (char)value; } return super.fitsType(env, ctx, t); } /** * Get the value */ public Object getValue() { return new Integer(value); } /** * Check if the expression is equal to a value */ public boolean equals(int i) { return value == i; } /** * Check if the expression is equal to its default static value */ public boolean equalsDefault() { return value == 0; } /** * Code */ public void codeValue(Environment env, Context ctx, Assembler asm) { asm.add(where, opc_ldc, new Integer(value)); }}
/*
* Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.tools.tree;
import sun.tools.java.*;
import sun.tools.asm.Assembler;
/**
* WARNING: The contents of this source file are not part of any
* supported API. Code that depends on them does so at its own risk:
* they are subject to change or removal without notice.
*/
public
class IntegerExpression extends ConstantExpression {
int value;
/**
* Constructor
*/
IntegerExpression(int op, long where, Type type, int value) {
super(op, where, type);
this.value = value;
}
/**
* See if this number fits in the given type.
*/
public boolean fitsType(Environment env, Context ctx, Type t) {
if (this.type.isType(TC_CHAR)) {
// A char constant is not really an int constant,
// so do not report that 'a' fits in a byte or short,
// even if its value is in fact 7-bit ascii. See JLS 5.2.
return super.fitsType(env, ctx, t);
}
switch (t.getTypeCode()) {
case TC_BYTE:
return value == (byte)value;
case TC_SHORT:
return value == (short)value;
case TC_CHAR:
return value == (char)value;
}
return super.fitsType(env, ctx, t);
}
/**
* Get the value
*/
public Object getValue() {
return new Integer(value);
}
/**
* Check if the expression is equal to a value
*/
public boolean equals(int i) {
return value == i;
}
/**
* Check if the expression is equal to its default static value
*/
public boolean equalsDefault() {
return value == 0;
}
/**
* Code
*/
public void codeValue(Environment env, Context ctx, Assembler asm) {
asm.add(where, opc_ldc, new Integer(value));
}
}