author | joehw |
Wed, 18 Oct 2017 13:25:49 -0700 | |
changeset 47359 | e1a6c0168741 |
parent 47216 | 71c04702a3d5 |
child 48409 | 5ab69533994b |
permissions | -rw-r--r-- |
6 | 1 |
/* |
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* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
47359
e1a6c0168741
8181150: Fix lint warnings in JAXP repo: rawtypes and unchecked
joehw
parents:
47216
diff
changeset
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* @LastModified: Oct 2017 |
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*/ |
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/* |
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44797
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8162572: Update License Header for all JAXP sources
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parents:
25868
diff
changeset
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* Licensed to the Apache Software Foundation (ASF) under one or more |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
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* contributor license agreements. See the NOTICE file distributed with |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
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* this work for additional information regarding copyright ownership. |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
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* (the "License"); you may not use this file except in compliance with |
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* the License. You may obtain a copy of the License at |
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* |
44797
8b3b3b911b8a
8162572: Update License Header for all JAXP sources
joehw
parents:
25868
diff
changeset
|
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package com.sun.org.apache.xalan.internal.xsltc.compiler.util; |
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import com.sun.org.apache.bcel.internal.generic.BranchHandle; |
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import com.sun.org.apache.bcel.internal.generic.BranchInstruction; |
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import com.sun.org.apache.bcel.internal.generic.CHECKCAST; |
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import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen; |
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import com.sun.org.apache.bcel.internal.generic.GOTO; |
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import com.sun.org.apache.bcel.internal.generic.IFEQ; |
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import com.sun.org.apache.bcel.internal.generic.IFGE; |
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import com.sun.org.apache.bcel.internal.generic.IFGT; |
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import com.sun.org.apache.bcel.internal.generic.IFLE; |
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import com.sun.org.apache.bcel.internal.generic.IFLT; |
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import com.sun.org.apache.bcel.internal.generic.IF_ICMPGE; |
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import com.sun.org.apache.bcel.internal.generic.IF_ICMPGT; |
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import com.sun.org.apache.bcel.internal.generic.IF_ICMPLE; |
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import com.sun.org.apache.bcel.internal.generic.IF_ICMPLT; |
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import com.sun.org.apache.bcel.internal.generic.ILOAD; |
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import com.sun.org.apache.bcel.internal.generic.INVOKESPECIAL; |
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import com.sun.org.apache.bcel.internal.generic.INVOKESTATIC; |
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import com.sun.org.apache.bcel.internal.generic.INVOKEVIRTUAL; |
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import com.sun.org.apache.bcel.internal.generic.ISTORE; |
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import com.sun.org.apache.bcel.internal.generic.Instruction; |
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import com.sun.org.apache.bcel.internal.generic.InstructionConst; |
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import com.sun.org.apache.bcel.internal.generic.InstructionList; |
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import com.sun.org.apache.bcel.internal.generic.NEW; |
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import com.sun.org.apache.xalan.internal.xsltc.compiler.Constants; |
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import com.sun.org.apache.xalan.internal.xsltc.compiler.FlowList; |
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/** |
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* @author Jacek Ambroziak |
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* @author Santiago Pericas-Geertsen |
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*/ |
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public final class IntType extends NumberType { |
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protected IntType() {} |
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public String toString() { |
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return "int"; |
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} |
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public boolean identicalTo(Type other) { |
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return this == other; |
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} |
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public String toSignature() { |
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return "I"; |
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} |
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public com.sun.org.apache.bcel.internal.generic.Type toJCType() { |
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return com.sun.org.apache.bcel.internal.generic.Type.INT; |
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} |
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/** |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#distanceTo |
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*/ |
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public int distanceTo(Type type) { |
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if (type == this) { |
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return 0; |
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} |
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else if (type == Type.Real) { |
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return 1; |
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} |
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else |
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return Integer.MAX_VALUE; |
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} |
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/** |
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* Translates an integer into an object of internal type <code>type</code>. |
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* |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo |
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*/ |
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public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, |
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final Type type) { |
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if (type == Type.Real) { |
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translateTo(classGen, methodGen, (RealType) type); |
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} |
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else if (type == Type.String) { |
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translateTo(classGen, methodGen, (StringType) type); |
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} |
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else if (type == Type.Boolean) { |
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translateTo(classGen, methodGen, (BooleanType) type); |
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} |
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else if (type == Type.Reference) { |
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translateTo(classGen, methodGen, (ReferenceType) type); |
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} |
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else { |
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ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR, |
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toString(), type.toString()); |
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classGen.getParser().reportError(Constants.FATAL, err); |
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} |
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} |
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/** |
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* Expects an integer on the stack and pushes a real. |
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* |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo |
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*/ |
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public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, |
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RealType type) { |
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methodGen.getInstructionList().append(I2D); |
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} |
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/** |
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* Expects an integer on the stack and pushes its string value by calling |
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* <code>Integer.toString(int i)</code>. |
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* |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo |
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*/ |
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public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, |
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StringType type) { |
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final ConstantPoolGen cpg = classGen.getConstantPool(); |
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final InstructionList il = methodGen.getInstructionList(); |
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il.append(new INVOKESTATIC(cpg.addMethodref(INTEGER_CLASS, |
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"toString", |
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"(I)" + STRING_SIG))); |
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} |
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/** |
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* Expects an integer on the stack and pushes a 0 if its value is 0 and |
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* a 1 otherwise. |
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* |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo |
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*/ |
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public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, |
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BooleanType type) { |
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final InstructionList il = methodGen.getInstructionList(); |
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final BranchHandle falsec = il.append(new IFEQ(null)); |
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il.append(ICONST_1); |
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final BranchHandle truec = il.append(new GOTO(null)); |
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falsec.setTarget(il.append(ICONST_0)); |
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truec.setTarget(il.append(NOP)); |
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} |
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/** |
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* Expects an integer on the stack and translates it to a non-synthesized |
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* boolean. It does not push a 0 or a 1 but instead returns branchhandle |
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* list to be appended to the false list. |
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* |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateToDesynthesized |
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*/ |
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public FlowList translateToDesynthesized(ClassGenerator classGen, |
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MethodGenerator methodGen, |
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BooleanType type) { |
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final InstructionList il = methodGen.getInstructionList(); |
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return new FlowList(il.append(new IFEQ(null))); |
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} |
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/** |
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* Expects an integer on the stack and pushes a boxed integer. |
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* Boxed integers are represented by an instance of |
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* <code>java.lang.Integer</code>. |
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* |
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* @see com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type#translateTo |
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*/ |
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public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, |
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ReferenceType type) { |
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final ConstantPoolGen cpg = classGen.getConstantPool(); |
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final InstructionList il = methodGen.getInstructionList(); |
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il.append(new NEW(cpg.addClass(INTEGER_CLASS))); |
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il.append(DUP_X1); |
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il.append(SWAP); |
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il.append(new INVOKESPECIAL(cpg.addMethodref(INTEGER_CLASS, |
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"<init>", "(I)V"))); |
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} |
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/** |
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* Translates an integer into the Java type denoted by <code>clazz</code>. |
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* Expects an integer on the stack and pushes a number of the appropriate |
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* type after coercion. |
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*/ |
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public void translateTo(ClassGenerator classGen, MethodGenerator methodGen, |
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47359
e1a6c0168741
8181150: Fix lint warnings in JAXP repo: rawtypes and unchecked
joehw
parents:
47216
diff
changeset
|
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Class<?> clazz) { |
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final InstructionList il = methodGen.getInstructionList(); |
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if (clazz == Character.TYPE) { |
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il.append(I2C); |
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} |
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else if (clazz == Byte.TYPE) { |
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il.append(I2B); |
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} |
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else if (clazz == Short.TYPE) { |
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il.append(I2S); |
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} |
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else if (clazz == Integer.TYPE) { |
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il.append(NOP); |
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} |
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else if (clazz == Long.TYPE) { |
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il.append(I2L); |
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} |
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else if (clazz == Float.TYPE) { |
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il.append(I2F); |
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} |
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else if (clazz == Double.TYPE) { |
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il.append(I2D); |
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} |
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// Is Double <: clazz? I.e. clazz in { Double, Number, Object } |
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else if (clazz.isAssignableFrom(java.lang.Double.class)) { |
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il.append(I2D); |
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Type.Real.translateTo(classGen, methodGen, Type.Reference); |
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} |
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else { |
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ErrorMsg err = new ErrorMsg(ErrorMsg.DATA_CONVERSION_ERR, |
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toString(), clazz.getName()); |
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classGen.getParser().reportError(Constants.FATAL, err); |
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} |
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} |
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/** |
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* Translates an object of this type to its boxed representation. |
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*/ |
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public void translateBox(ClassGenerator classGen, |
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MethodGenerator methodGen) { |
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translateTo(classGen, methodGen, Type.Reference); |
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} |
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/** |
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* Translates an object of this type to its unboxed representation. |
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*/ |
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public void translateUnBox(ClassGenerator classGen, |
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MethodGenerator methodGen) { |
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final ConstantPoolGen cpg = classGen.getConstantPool(); |
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final InstructionList il = methodGen.getInstructionList(); |
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il.append(new CHECKCAST(cpg.addClass(INTEGER_CLASS))); |
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final int index = cpg.addMethodref(INTEGER_CLASS, |
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INT_VALUE, |
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INT_VALUE_SIG); |
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il.append(new INVOKEVIRTUAL(index)); |
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} |
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public Instruction ADD() { |
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return InstructionConst.IADD; |
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} |
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public Instruction SUB() { |
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return InstructionConst.ISUB; |
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} |
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public Instruction MUL() { |
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return InstructionConst.IMUL; |
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} |
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public Instruction DIV() { |
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return InstructionConst.IDIV; |
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} |
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public Instruction REM() { |
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return InstructionConst.IREM; |
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} |
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public Instruction NEG() { |
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return InstructionConst.INEG; |
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} |
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public Instruction LOAD(int slot) { |
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return new ILOAD(slot); |
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} |
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public Instruction STORE(int slot) { |
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return new ISTORE(slot); |
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} |
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public BranchInstruction GT(boolean tozero) { |
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return tozero ? (BranchInstruction) new IFGT(null) : |
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(BranchInstruction) new IF_ICMPGT(null); |
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} |
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public BranchInstruction GE(boolean tozero) { |
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return tozero ? (BranchInstruction) new IFGE(null) : |
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(BranchInstruction) new IF_ICMPGE(null); |
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} |
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public BranchInstruction LT(boolean tozero) { |
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return tozero ? (BranchInstruction) new IFLT(null) : |
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(BranchInstruction) new IF_ICMPLT(null); |
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} |
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public BranchInstruction LE(boolean tozero) { |
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return tozero ? (BranchInstruction) new IFLE(null) : |
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(BranchInstruction) new IF_ICMPLE(null); |
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} |
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} |