argument_list.cpp

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 *   Copyright (C) 2007-2013 Mike Kinghan, imk@burroingroingjoing.com      *
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#include "argument_list.h"
#include "canonical.h"
#include "parse_buffer.h"

using namespace std;

template<class CharSeq>
void argument_list::read(chewer<CharSeq> & chew)
{
        _defect = argument_list::none;
        if (*chew == '(') {
                unique_ptr<vector<string>> args(new vector<string>) ;
                chew(+1,greyspace);
                string arg;
                while (chew) {
                        arg = canonical<macro_argument>(chew);
                        if (*chew == ',') {
                                args->push_back(arg);
                                if (arg.empty()) {
                                        _defect = argument_list::empty_param;
                                }
                                arg.clear();
                                ++chew;
                        } else if (*chew == ')') {
                                if (arg.empty()) {
                                        if (args->size()) {
                                                _defect = argument_list::empty_param;
                                        }
                                } else {
                                        args->push_back(arg);
                                        arg.clear();
                                }
                                break;
                        }
                }
                if (!arg.empty()) {
                        args->push_back(arg);
                }
                if (!chew || *chew != ')') {
                        _defect = argument_list::unclosed;
                } else {
                        ++chew;
                }
                if (args->size()) {
                        _params.reset(args.release());
                        _expand_flags.reset(new vector<bool>(_params->size(),false));
                }
                return;
        }
        _params.reset();
    _expand_flags.reset();
}

template
void argument_list::read(chewer<string> & chew);
template
void argument_list::read(chewer<parse_buffer> & chew);

// EOF