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95 lines
2.9 KiB
95 lines
2.9 KiB
/*
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* StoreInstruction (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.Type;
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public abstract class StoreInstruction extends Operator {
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public String lvCasts;
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Type lvalueType;
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public StoreInstruction(Type type, int operator) {
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super(Type.tVoid, operator);
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lvalueType = MyType.tSubType(type);
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lvCasts = lvalueType.toString();
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}
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public Type getLValueType() {
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return lvalueType;
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}
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public abstract boolean matches(Operator loadop);
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public abstract int getLValueOperandCount();
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public abstract int getLValueOperandPriority(int i);
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public abstract Type getLValueOperandType(int i);
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public abstract void setLValueOperandType(Type [] t);
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/**
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* Sets the type of the lvalue (and rvalue).
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* @return true if the operand types changed
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*/
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public boolean setLValueType(Type type) {
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// if (!MyType.isOfType(type, this.lvalueType)) {
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// lvCasts = type.toString()+"/*invalid*/ <- " + lvCasts;
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// } else if (type != this.lvalueType) {
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// lvCasts = type.toString()+" <- " + lvCasts;
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// }
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this.lvalueType = type;
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return false;
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}
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public abstract String getLValueString(String[] operands);
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public int getPriority() {
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return 100;
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}
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public int getOperandPriority(int i) {
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if (i == getLValueOperandCount())
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return 100;
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else
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return getLValueOperandPriority(i);
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}
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public Type getOperandType(int i) {
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if (i == getLValueOperandCount())
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return MyType.tSubType(getLValueType());
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else
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return getLValueOperandType(i);
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}
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public void setOperandType(Type[] t) {
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if (getLValueOperandCount() > 0)
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setLValueOperandType(t);
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setLValueType(MyType.intersection
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(lvalueType,
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MyType.tSuperType(t[getLValueOperandCount()])));
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}
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public int getOperandCount() {
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return 1 + getLValueOperandCount();
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}
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public String toString(String[] operands)
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{
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return getLValueString(operands) + getOperatorString() +
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operands[getLValueOperandCount()];
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}
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}
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