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Posted to commits@xalan.apache.org by tm...@apache.org on 2001/11/09 16:15:19 UTC
cvs commit: xml-xalan/java/src/org/apache/xalan/xsltc/compiler/util LongType.java
tmiller 01/11/09 07:15:19
Added: java/src/org/apache/xalan/xsltc/compiler/util LongType.java
Log:
bug fix 3592, added new class for Long types
Revision Changes Path
1.1 xml-xalan/java/src/org/apache/xalan/xsltc/compiler/util/LongType.java
Index: LongType.java
===================================================================
/*
* @(#)$Id: LongType.java,v 1.1 2001/11/09 15:15:19 tmiller Exp $
*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2001 The Apache Software Foundation. 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 end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xalan" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, Sun
* Microsystems., http://www.sun.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* @author G. Todd Miller
*
*/
package org.apache.xalan.xsltc.compiler.util;
import org.apache.xalan.xsltc.compiler.util.Type;
import de.fub.bytecode.generic.*;
import org.apache.xalan.xsltc.compiler.Parser;
import org.apache.xalan.xsltc.compiler.FlowList;
import org.apache.xalan.xsltc.compiler.Constants;
public final class LongType extends NumberType {
protected LongType() {}
public String toString() {
return "long";
}
public boolean identicalTo(Type other) {
return this == other;
}
public String toSignature() {
return "J";
}
public de.fub.bytecode.generic.Type toJCType() {
return de.fub.bytecode.generic.Type.LONG;
}
/**
* @see org.apache.xalan.xsltc.compiler.util.Type#distanceTo
*/
public int distanceTo(Type type) {
if (type == this) {
return 0;
}
else if (type == Type.Int) {
return 1;
}
else
return Integer.MAX_VALUE;
}
/**
* Translates an long into an object of internal type <code>type</code>.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
final Type type) {
if (type == Type.Real) {
translateTo(classGen, methodGen, (RealType) type);
}
else if (type == Type.Int) {
translateTo(classGen, methodGen, (IntType) type);
}
else if (type == Type.String) {
translateTo(classGen, methodGen, (StringType) type);
}
else if (type == Type.Boolean) {
translateTo(classGen, methodGen, (BooleanType) type);
}
else if (type == Type.Reference) {
translateTo(classGen, methodGen, (ReferenceType) type);
}
else {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
toString(), type.toString());
classGen.getParser().reportError(Constants.FATAL, err);
}
}
/**
* Expects an long on the stack and pushes a real.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
RealType type) {
methodGen.getInstructionList().append(L2D);
}
/**
* Expects an long on the stack and pushes its string value by calling
* <code>Long.toString(int i)</code>.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
StringType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(new INVOKESTATIC(cpg.addMethodref(LONG_CLASS,
"toString",
"(J)" + STRING_SIG)));
}
/**
* Expects an long on the stack and pushes a 0 if its value is 0 and
* a 1 otherwise.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
BooleanType type) {
final InstructionList il = methodGen.getInstructionList();
final BranchHandle falsec = il.append(new IFEQ(null));
il.append(LCONST_1);
final BranchHandle truec = il.append(new GOTO(null));
falsec.setTarget(il.append(LCONST_0));
truec.setTarget(il.append(NOP));
}
/**
* Expects an long on the stack and translates it to a non-synthesized
* boolean. It does not push a 0 or a 1 but instead returns branchhandle
* list to be appended to the false list.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateToDesynthesized
*/
public FlowList translateToDesynthesized(ClassGenerator classGen,
MethodGenerator methodGen,
BooleanType type) {
final InstructionList il = methodGen.getInstructionList();
return new FlowList(il.append(new IFEQ(null)));
}
/**
* Expects an long on the stack and pushes a boxed integer.
* Boxed integers are represented by an instance of
* <code>java.lang.Integer</code>.
*
* @see org.apache.xalan.xsltc.compiler.util.Type#translateTo
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
ReferenceType type) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(new NEW(cpg.addClass(LONG_CLASS)));
il.append(DUP_X1);
il.append(SWAP);
il.append(new INVOKESPECIAL(cpg.addMethodref(LONG_CLASS,
"<init>", "(J)V")));
}
/**
* Translates an long into the Java type denoted by <code>clazz</code>.
* Expects an long on the stack and pushes a number of the appropriate
* type after coercion.
*/
public void translateTo(ClassGenerator classGen, MethodGenerator methodGen,
Class clazz) {
final InstructionList il = methodGen.getInstructionList();
if (clazz == Character.TYPE) {
il.append(L2I);
il.append(I2C);
}
else if (clazz == Byte.TYPE) {
il.append(L2I);
il.append(I2B);
}
else if (clazz == Short.TYPE) {
il.append(L2I);
il.append(I2S);
}
else if (clazz == Integer.TYPE) {
il.append(L2I);
}
else if (clazz == Long.TYPE) {
il.append(NOP);
}
else if (clazz == Float.TYPE) {
il.append(L2F);
}
else if (clazz == Double.TYPE) {
il.append(L2D);
}
else {
ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR,
toString(), clazz.getName());
classGen.getParser().reportError(Constants.FATAL, err);
}
}
/**
* Translates an object of this type to its boxed representation.
*/
public void translateBox(ClassGenerator classGen,
MethodGenerator methodGen) {
translateTo(classGen, methodGen, Type.Reference);
}
/**
* Translates an object of this type to its unboxed representation.
*/
public void translateUnBox(ClassGenerator classGen,
MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(new CHECKCAST(cpg.addClass(LONG_CLASS)));
final int index = cpg.addMethodref(LONG_CLASS,
LONG_VALUE,
LONG_VALUE_SIG);
il.append(new INVOKEVIRTUAL(index));
}
public Instruction ADD() {
return InstructionConstants.LADD;
}
public Instruction SUB() {
return InstructionConstants.LSUB;
}
public Instruction MUL() {
return InstructionConstants.LMUL;
}
public Instruction DIV() {
return InstructionConstants.LDIV;
}
public Instruction REM() {
return InstructionConstants.LREM;
}
public Instruction NEG() {
return InstructionConstants.LNEG;
}
public Instruction LOAD(int slot) {
return new LLOAD(slot);
}
public Instruction STORE(int slot) {
return new LSTORE(slot);
}
public BranchInstruction GT(boolean tozero) {
// GTM:TBD
return tozero ? (BranchInstruction) new IFGT(null) :
(BranchInstruction) new IF_ICMPGT(null);
}
public BranchInstruction GE(boolean tozero) {
// GTM:TBD
return tozero ? (BranchInstruction) new IFGE(null) :
(BranchInstruction) new IF_ICMPGE(null);
}
public BranchInstruction LT(boolean tozero) {
// GTM:TBD
return tozero ? (BranchInstruction) new IFLT(null) :
(BranchInstruction) new IF_ICMPLT(null);
}
public BranchInstruction LE(boolean tozero) {
// GTM:TBD
return tozero ? (BranchInstruction) new IFLE(null) :
(BranchInstruction) new IF_ICMPLE(null);
}
}
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