File: checkgrammar

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icmake 13.05.01-1
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void checkGrammar()                         // check updating 'grammar'
{
    chdir(PARSER_DIR);

    list gramfiles = makelist(PARSSPEC);

    #ifdef PARSFILES
        gramfiles += makelist(PARSFILES);
    #endif
    
    for (int idx = listlen(gramfiles); idx--; )
    {
        if (gramfiles[idx] younger PARSOUT)    // need new parser
        {
            showCd(PARSER_DIR);
            if (USE_ECHO)
                printf("New parser: `", gramfiles[idx], "' changed\n");
            system(PARSGEN " " PARSFLAGS " " PARSSPEC);
            break;
        }
    }
    chdir("..");
}