60 lines
1.3 KiB
Java
60 lines
1.3 KiB
Java
package com.ibm.wala.cast.js.ssa;
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import java.util.Collection;
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import com.ibm.wala.ssa.SSAInstruction;
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import com.ibm.wala.ssa.SSAInstructionFactory;
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import com.ibm.wala.ssa.SymbolTable;
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import com.ibm.wala.types.TypeReference;
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public class JavaScriptWithRegion extends SSAInstruction {
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private final int expr;
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private final boolean isEnter;
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public JavaScriptWithRegion(int iindex, int expr, boolean isEnter) {
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super(iindex);
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this.expr = expr;
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this.isEnter = isEnter;
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}
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@Override
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public SSAInstruction copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses) {
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return ((JSInstructionFactory)insts).WithRegion(iindex, uses==null? expr: uses[0], isEnter);
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}
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@Override
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public Collection<TypeReference> getExceptionTypes() {
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return null;
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}
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@Override
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public int hashCode() {
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return 353456 * expr * (isEnter? 1 : -1);
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}
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@Override
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public boolean isFallThrough() {
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return true;
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}
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@Override
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public String toString(SymbolTable symbolTable) {
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return (isEnter? "enter": "exit") + " of with " + getValueString(symbolTable, expr);
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}
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@Override
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public void visit(IVisitor v) {
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((InstructionVisitor)v).visitWithRegion(this);
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}
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public int getNumberOfUses() {
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return 1;
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}
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public int getUse(int i) {
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assert i == 0;
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return expr;
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}
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}
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