WALA/com.ibm.wala.cast/source/java/com/ibm/wala/cast/ir/ssa/AstEchoInstruction.java

72 lines
1.5 KiB
Java

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;
}
public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) {
return ((AstInstructionFactory)insts).EchoInstruction(iindex, uses==null? rvals: uses);
}
public int getNumberOfDefs() {
return 0;
}
public int getDef(int i) {
Assertions.UNREACHABLE();
return -1;
}
public int getNumberOfUses() {
return rvals.length;
}
public int getUse(int i) {
return rvals[i];
}
public int hashCode() {
int v = 1;
for(int i = 0;i < rvals.length; i++) {
v *= rvals[i];
}
return v;
}
public String toString(SymbolTable symbolTable) {
StringBuffer result = new StringBuffer("echo/print ");
for(int i = 0; i < rvals.length; i++) {
result.append(getValueString(symbolTable, rvals[i])).append(" ");
}
return result.toString();
}
public void visit(IVisitor v) {
((AstInstructionVisitor)v).visitEcho(this);
}
public boolean isFallThrough() {
return true;
}
public Collection<TypeReference> getExceptionTypes() {
return Collections.emptySet();
}
}