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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
using Microsoft.Boogie;
namespace GPUVerify
{
class LocalVariableAccessReplacer : StandardVisitor
{
GPUVerifier verifier;
public LocalVariableAccessReplacer(GPUVerifier verifier)
{
this.verifier = verifier;
}
public override AssignLhs VisitSimpleAssignLhs(SimpleAssignLhs node)
{
if (verifier.GetThreadLocalVariables().Contains(node.AssignedVariable.Decl))
{
List<Expr> indexes = new List<Expr>();
indexes.Add(verifier.MakeThreadIdExpr(node.tok));
return new MapAssignLhs(node.tok, node, indexes);
}
return node;
}
public override Expr VisitIdentifierExpr(IdentifierExpr node)
{
if (verifier.GetThreadLocalVariables().Contains(node.Decl))
{
ExprSeq MapNameAndThreadID = new ExprSeq();
MapNameAndThreadID.Add(new IdentifierExpr(node.tok, node.Decl));
MapNameAndThreadID.Add(verifier.MakeThreadIdExpr(node.tok));
return new NAryExpr(node.tok, new MapSelect(node.tok, 1), MapNameAndThreadID);
}
return node;
}
}
}
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