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81 lines
2.6 KiB
81 lines
2.6 KiB
/*
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* ConstantArrayOperator (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 ConstantArrayOperator extends NoArgOperator {
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ConstOperator empty;
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Expression[] values;
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Type argType;
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boolean isInitializer;
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public ConstantArrayOperator(Type type, int size) {
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super(type);
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values = new Expression[size];
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argType = (type instanceof ArrayType)
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? Type.tSubType(((ArrayType)type).getElementType()) : Type.tError;
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empty = new ConstOperator(argType, "0");
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empty.makeInitializer();
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}
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public void setType(Type newtype) {
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super.setType(newtype);
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Type newArgType = (this.type instanceof ArrayType)
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? Type.tSubType(((ArrayType)this.type).getElementType())
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: Type.tError;
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if (!newArgType.equals(argType)) {
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argType = newArgType;
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empty.setType(argType);
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for (int i=0; i< values.length; i++)
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if (values[i] != null)
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values[i].setType(argType);
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}
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}
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public boolean setValue(int index, Expression value) {
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if (index < 0 || index > values.length || values[index] != null)
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return false;
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value.setType(argType);
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setType(Type.tSuperType(Type.tArray(value.getType())));
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values[index] = value;
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value.parent = this;
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value.makeInitializer();
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return true;
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}
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public int getPriority() {
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return 200;
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}
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public void makeInitializer() {
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isInitializer = true;
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}
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public String toString(String[] operands) {
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StringBuffer result = isInitializer ? new StringBuffer("{ ")
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: new StringBuffer("new ").append(type).append(" { ");
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for (int i=0; i< values.length; i++) {
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if (i>0)
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result.append(", ");
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result.append((values[i] != null) ? values[i] : empty);
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}
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return result.append(" }").toString();
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}
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}
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