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132 lines
4.0 KiB
132 lines
4.0 KiB
/*
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* InvokeOperator (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 gnu.bytecode.CpoolRef;
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public final class InvokeOperator extends Operator {
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CodeAnalyzer codeAnalyzer;
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boolean staticFlag;
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boolean specialFlag;
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MethodType methodType;
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Type classType;
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CpoolRef field;
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public InvokeOperator(CodeAnalyzer codeAnalyzer,
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boolean staticFlag, boolean specialFlag,
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CpoolRef field) {
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super(Type.tError, 0);
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methodType = new MethodType(field.getNameAndType().
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getType().getString());
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classType = Type.tClass(field.getCpoolClass().getName().getString());
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setType(methodType.getReturnType());
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this.codeAnalyzer = codeAnalyzer;
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this.staticFlag = staticFlag;
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this.specialFlag = specialFlag;
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this.field = field;
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}
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public boolean isStatic() {
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return staticFlag;
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}
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public CpoolRef getField() {
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return field;
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}
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public MethodType getMethodType() {
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return methodType;
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}
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public Type getClassType() {
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return classType;
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}
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public int getPriority() {
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return 950;
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}
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public int getOperandCount() {
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return (staticFlag?0:1) + methodType.getArgumentTypes().length;
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}
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public int getOperandPriority(int i) {
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if (!staticFlag && i == 0)
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return 950;
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return 0;
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}
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public Type getOperandType(int i) {
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if (!staticFlag) {
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if (i == 0)
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return getClassType();
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i--;
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}
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return methodType.getArgumentTypes()[i];
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}
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public void setOperandType(Type types[]) {
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}
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public boolean isConstructor() {
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return field.getNameAndType().getName().getString().equals("<init>");
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}
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public String toString(String[] operands) {
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String object =
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staticFlag
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? ((field.getCpoolClass().getName().getString()
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.replace(java.io.File.separatorChar, '.')
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.equals(codeAnalyzer.getClazz().getName()))
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? ""
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: codeAnalyzer.getTypeString(getClassType()))
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: (operands[0].equals("this")
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? ((specialFlag &&
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(field.getCpoolClass().getName().getString()
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.replace(java.io.File.separatorChar, '.')
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.equals(codeAnalyzer.getClazz()
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.getSuperclass().getName())))
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? "super"
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: "")
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: operands[0]);
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int arg = staticFlag ? 0 : 1;
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String method;
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if (isConstructor())
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method = (object.length() == 0 ? "this" : object);
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else
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method = (object.length() == 0 ? "" : object + ".")
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+ field.getNameAndType().getName().getString();
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StringBuffer params = new StringBuffer();
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for (int i=0; i < methodType.getArgumentTypes().length; i++) {
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if (i>0)
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params.append(", ");
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params.append(operands[arg++]);
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}
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return method+"("+params+")";
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}
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public boolean equals(Object o) {
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return (o instanceof InvokeOperator) &&
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((InvokeOperator)o).field == field &&
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((InvokeOperator)o).staticFlag == staticFlag &&
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((InvokeOperator)o).specialFlag == specialFlag;
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}
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}
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