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90 lines
2.8 KiB
90 lines
2.8 KiB
/*
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* PutFieldOperator (c) 1998 Jochen Hoenicke
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*
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* You may distribute under the terms of the GNU General Public License.
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*
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* IN NO EVENT SHALL JOCHEN HOENICKE BE LIABLE TO ANY PARTY FOR DIRECT,
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* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
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* THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF JOCHEN HOENICKE
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* HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* JOCHEN HOENICKE SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
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* BASIS, AND JOCHEN HOENICKE HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
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* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* $Id$
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*/
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package jode;
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import sun.tools.java.*;
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public class PutFieldOperator extends StoreInstruction {
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CodeAnalyzer codeAnalyzer;
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boolean staticFlag;
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FieldDefinition field;
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public PutFieldOperator(CodeAnalyzer codeAnalyzer, boolean staticFlag,
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FieldDefinition field) {
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super(field.getType(), ASSIGN_OP);
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this.codeAnalyzer = codeAnalyzer;
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this.staticFlag = staticFlag;
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this.field = field;
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}
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public boolean matches(Operator loadop) {
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return loadop instanceof GetFieldOperator &&
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((GetFieldOperator)loadop).field == field;
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}
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public int getLValueOperandCount() {
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return staticFlag?0:1;
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}
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public int getLValueOperandPriority(int i) {
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if (staticFlag) {
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/* shouldn't be called */
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throw new RuntimeException("Field is static");
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}
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return 900;
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}
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public Type getLValueOperandType(int i) {
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if (staticFlag) {
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/* shouldn't be called */
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throw new AssertError("Field is static");
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}
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return MyType.tSubType(field.getClassDefinition().getType());
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}
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public void setLValueOperandType(Type[] t) {
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if (staticFlag) {
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/* shouldn't be called */
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throw new AssertError("Field is static");
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}
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return;
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}
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public String getLValueString(String[] operands) {
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String object;
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if (staticFlag) {
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if (field.getClassDefinition()
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== codeAnalyzer.getClassDefinition())
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return field.getName().toString();
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object =
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codeAnalyzer.getTypeString
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(field.getClassDeclaration().getType())+".";
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} else {
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if (operands[0].equals("this"))
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return field.getName().toString();
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object = operands[0];
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}
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return object + "." + field.getName();
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}
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public boolean equals(Object o) {
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return (o instanceof PutFieldOperator) &&
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((PutFieldOperator)o).field == field;
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}
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}
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