execution.cpp

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// execution.h
//
// Copyright (C) 2002, Chris Laurel <claurel@shatters.net>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

#include <celscript/execution.h>
#include <cassert>


using namespace celx;
using namespace std;


ExecutionContext::ExecutionContext(Environment* env) :
    globalEnv(env)
{
}


ExecutionContext::~ExecutionContext()
{
}


Environment* ExecutionContext::getEnvironment()
{
    return globalEnv;
}


void ExecutionContext::pushReturnValue(const Value& v)
{
    returnStack.push_back(v);
}


Value ExecutionContext::popReturnValue()
{
    assert(!returnStack.empty());
    Value v = returnStack.back();
    returnStack.pop_back();
    return v;
}

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