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src/java.xml/share/classes/com/sun/org/apache/bcel/internal/generic/InvokeInstruction.java
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*** 19,113 ****
* limitations under the License.
*/
package com.sun.org.apache.bcel.internal.generic;
- import com.sun.org.apache.bcel.internal.Constants;
- import com.sun.org.apache.bcel.internal.classfile.*;
import java.util.StringTokenizer;
/**
* Super class for the INVOKExxx family of instructions.
*
! * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
*/
! public abstract class InvokeInstruction extends FieldOrMethod
! implements ExceptionThrower, TypedInstruction, StackConsumer, StackProducer {
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
! InvokeInstruction() {}
/**
* @param index to constant pool
*/
! protected InvokeInstruction(short opcode, int index) {
super(opcode, index);
}
/**
* @return mnemonic for instruction with symbolic references resolved
*/
! public String toString(ConstantPool cp) {
! Constant c = cp.getConstant(index);
! StringTokenizer tok = new StringTokenizer(cp.constantToString(c));
!
! return Constants.OPCODE_NAMES[opcode] + " " +
! tok.nextToken().replace('.', '/') + tok.nextToken();
}
/**
* Also works for instructions whose stack effect depends on the
* constant pool entry they reference.
* @return Number of words consumed from stack by this instruction
*/
! public int consumeStack(ConstantPoolGen cpg) {
! String signature = getSignature(cpg);
! Type[] args = Type.getArgumentTypes(signature);
int sum;
!
! if(opcode == Constants.INVOKESTATIC)
sum = 0;
! else
sum = 1; // this reference
! int n = args.length;
! for (int i = 0; i < n; i++)
! sum += args[i].getSize();
!
return sum;
}
/**
* Also works for instructions whose stack effect depends on the
* constant pool entry they reference.
* @return Number of words produced onto stack by this instruction
*/
! public int produceStack(ConstantPoolGen cpg) {
! return getReturnType(cpg).getSize();
}
/** @return return type of referenced method.
*/
! public Type getType(ConstantPoolGen cpg) {
return getReturnType(cpg);
}
/** @return name of referenced method.
*/
! public String getMethodName(ConstantPoolGen cpg) {
return getName(cpg);
}
/** @return return type of referenced method.
*/
! public Type getReturnType(ConstantPoolGen cpg) {
return Type.getReturnType(getSignature(cpg));
}
/** @return argument types of referenced method.
*/
! public Type[] getArgumentTypes(ConstantPoolGen cpg) {
return Type.getArgumentTypes(getSignature(cpg));
}
}
--- 19,144 ----
* limitations under the License.
*/
package com.sun.org.apache.bcel.internal.generic;
import java.util.StringTokenizer;
+ import com.sun.org.apache.bcel.internal.Const;
+ import com.sun.org.apache.bcel.internal.classfile.Constant;
+ import com.sun.org.apache.bcel.internal.classfile.ConstantCP;
+ import com.sun.org.apache.bcel.internal.classfile.ConstantPool;
+
/**
* Super class for the INVOKExxx family of instructions.
*
! * @version $Id: InvokeInstruction.java 1752106 2016-07-10 20:02:39Z britter $
*/
! public abstract class InvokeInstruction extends FieldOrMethod implements ExceptionThrower,
! StackConsumer, StackProducer {
!
/**
* Empty constructor needed for the Class.newInstance() statement in
* Instruction.readInstruction(). Not to be used otherwise.
*/
! InvokeInstruction() {
! }
!
/**
* @param index to constant pool
*/
! protected InvokeInstruction(final short opcode, final int index) {
super(opcode, index);
}
+
/**
* @return mnemonic for instruction with symbolic references resolved
*/
! @Override
! public String toString( final ConstantPool cp ) {
! final Constant c = cp.getConstant(super.getIndex());
! final StringTokenizer tok = new StringTokenizer(cp.constantToString(c));
! return Const.getOpcodeName(super.getOpcode()) + " " + tok.nextToken().replace('.', '/')
! + tok.nextToken();
}
+
/**
* Also works for instructions whose stack effect depends on the
* constant pool entry they reference.
* @return Number of words consumed from stack by this instruction
*/
! @Override
! public int consumeStack( final ConstantPoolGen cpg ) {
int sum;
! if ((super.getOpcode() == Const.INVOKESTATIC) || (super.getOpcode() == Const.INVOKEDYNAMIC)) {
sum = 0;
! } else {
sum = 1; // this reference
+ }
! final String signature = getSignature(cpg);
! sum += Type.getArgumentTypesSize(signature);
return sum;
}
+
/**
* Also works for instructions whose stack effect depends on the
* constant pool entry they reference.
* @return Number of words produced onto stack by this instruction
*/
! @Override
! public int produceStack( final ConstantPoolGen cpg ) {
! final String signature = getSignature(cpg);
! return Type.getReturnTypeSize(signature);
! }
!
! /**
! * This overrides the deprecated version as we know here that the referenced class
! * may legally be an array.
! *
! * @deprecated in FieldOrMethod
! *
! * @return name of the referenced class/interface
! * @throws IllegalArgumentException if the referenced class is an array (this should not happen)
! */
! @Override
! @Deprecated
! public String getClassName( final ConstantPoolGen cpg ) {
! final ConstantPool cp = cpg.getConstantPool();
! final ConstantCP cmr = (ConstantCP) cp.getConstant(super.getIndex());
! final String className = cp.getConstantString(cmr.getClassIndex(), Const.CONSTANT_Class);
! return className.replace('/', '.');
}
/** @return return type of referenced method.
*/
! @Override
! public Type getType( final ConstantPoolGen cpg ) {
return getReturnType(cpg);
}
+
/** @return name of referenced method.
*/
! public String getMethodName( final ConstantPoolGen cpg ) {
return getName(cpg);
}
+
/** @return return type of referenced method.
*/
! public Type getReturnType( final ConstantPoolGen cpg ) {
return Type.getReturnType(getSignature(cpg));
}
+
/** @return argument types of referenced method.
*/
! public Type[] getArgumentTypes( final ConstantPoolGen cpg ) {
return Type.getArgumentTypes(getSignature(cpg));
}
+
}
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