parameter_list_base.cpp

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#include "parameter_list_base.h"
#include <algorithm>
#include <cassert>

using namespace std;
using namespace innards;

parameter_list_base::parameter_list_base(size_t n)
:       _params(n ? new vector<string>(n) : nullptr),
    _defect(none),_variadic(false)
{
    if (_params) {
        for (unsigned i = 0; i < size(); ++i) {
            (*_params)[i] = string("$") + to_string(i + 1);
        }
    }
}

string parameter_list_base::str() const
{
        string list;
        if (_params) {
                list.append(1,'(');
                auto start = _params->begin();
                auto const end = _params->end();
                for (   ; start < end - 1; ++start) {
                        list.append(*start);
                        list.append(1,',');
                }
                list.append(*start);
                if (_defect != unclosed) {
                        list.append(1,')');
                }
        }
        return list;
}

size_t parameter_list_base::which(std::string const & str) const
{
        if (!_params) {
                return -1;
        }
        auto where = find(_params->begin(),_params->end(),str);
        return where == _params->end() ? string::npos : where - _params->begin();
}

// EOF