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69 lines
1.9 KiB
69 lines
1.9 KiB
/*
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* ArrayStoreOperator (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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public class ArrayStoreOperator extends StoreInstruction {
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Type indexType;
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public ArrayStoreOperator(Type type, int operator) {
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super(type, operator);
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indexType = Type.tInt;
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}
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public ArrayStoreOperator(Type type) {
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this(type, ASSIGN_OP);
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}
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public boolean matches(Operator loadop) {
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return loadop instanceof ArrayLoadOperator;
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}
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public int getLValueOperandCount() {
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return 2;
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}
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public int getLValueOperandPriority(int i) {
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if (i == 0)
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return 950;
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else
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return 0;
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}
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public Type getLValueOperandType(int i) {
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if (i == 0)
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return Type.tArray(lvalueType);
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else
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return indexType;
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}
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public void setLValueOperandType(Type[] t) {
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indexType = indexType.intersection(t[1]);
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Type arrayType = t[0].intersection(Type.tArray(lvalueType));
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if (arrayType == Type.tError)
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lvalueType = Type.tError;
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else
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lvalueType = ((ArrayType)arrayType).getElementType();
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}
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public String getLValueString(String[] operands) {
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return operands[0]+"["+operands[1]+"]";
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}
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}
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