92 lines
2.1 KiB
Java
92 lines
2.1 KiB
Java
/*******************************************************************************
|
|
* Copyright (c) 2013 IBM Corporation.
|
|
* All rights reserved. This program and the accompanying materials
|
|
* are made available under the terms of the Eclipse Public License v1.0
|
|
* which accompanies this distribution, and is available at
|
|
* http://www.eclipse.org/legal/epl-v10.html
|
|
*
|
|
* Contributors:
|
|
* IBM Corporation - initial API and implementation
|
|
*******************************************************************************/
|
|
package com.ibm.wala.cast.ir.ssa;
|
|
|
|
import java.util.Collection;
|
|
import java.util.Collections;
|
|
|
|
import com.ibm.wala.ssa.SSAInstruction;
|
|
import com.ibm.wala.ssa.SSAInstructionFactory;
|
|
import com.ibm.wala.ssa.SymbolTable;
|
|
import com.ibm.wala.types.TypeReference;
|
|
import com.ibm.wala.util.debug.Assertions;
|
|
|
|
public class AstEchoInstruction extends SSAInstruction {
|
|
private final int[] rvals;
|
|
|
|
public AstEchoInstruction(int iindex, int[] rvals) {
|
|
super(iindex);
|
|
this.rvals = rvals;
|
|
}
|
|
|
|
@Override
|
|
public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) {
|
|
return ((AstInstructionFactory)insts).EchoInstruction(iindex, uses==null? rvals: uses);
|
|
}
|
|
|
|
@Override
|
|
public int getNumberOfDefs() {
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public int getDef(int i) {
|
|
Assertions.UNREACHABLE();
|
|
return -1;
|
|
}
|
|
|
|
@Override
|
|
public int getNumberOfUses() {
|
|
return rvals.length;
|
|
}
|
|
|
|
@Override
|
|
public int getUse(int i) {
|
|
return rvals[i];
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
int v = 1;
|
|
for (int rval : rvals) {
|
|
v *= rval;
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
@Override
|
|
public String toString(SymbolTable symbolTable) {
|
|
StringBuffer result = new StringBuffer("echo/print ");
|
|
for (int rval : rvals) {
|
|
result.append(getValueString(symbolTable, rval)).append(" ");
|
|
}
|
|
|
|
return result.toString();
|
|
}
|
|
|
|
@Override
|
|
public void visit(IVisitor v) {
|
|
((AstInstructionVisitor)v).visitEcho(this);
|
|
}
|
|
|
|
@Override
|
|
public boolean isFallThrough() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public Collection<TypeReference> getExceptionTypes() {
|
|
return Collections.emptySet();
|
|
}
|
|
|
|
}
|