示例#1
0
    public compiler(string gFile = null, string inFile = null, int cType = 0)
    {
        //compiler tasks, must do in order
        grammarFile  = gFile;
        inputFile    = inFile;
        compilerType = cType;
        init(grammarFile, inFile);
        switch (cType)
        {
        case (0):                   //LL_Grammar
            LL_0_ produceLL_0 = new LL_0_(productionDict, productions, nullables, tokens, ref LLTable, ref productionTreeRoot, inputFile != null);
            break;

        case (1):                   //LR_Grammar
            SLR_1_ produceSLR_1 = new SLR_1_(productionDict, productions, nullables, Follows, tokens, ref LRTable, ref productionTreeRoot, ref startState, inputFile != null);
            break;
        }
    }
    public void produceTreeRoot()
    {
        switch (compilerType)
        {
        case (0):                   //LL_Grammar
            LL_0_ produceLL_0 = new LL_0_(productionDict, productions, nullables, tokens, ref LLTable, ref productionTreeRoot, inputFile != null);
            break;

        case (1):                   //LR_Grammar
            SLR_1_ produceSLR_1 = new SLR_1_(productionDict, productions[0].lhs, Follows, tokens, ref LRTable, ref productionTreeRoot, ref startState, inputFile != null);
            break;

        case (2):
            GLR produceGLR = new GLR(productionDict, productions[0].lhs, Follows, tokens, ref GLRTable, ref productionTreeRoot, ref startState, inputFile != null);
            break;

        default:
            throw new Exception("Invalid Grammar Parse type!! Please Specify cType = {0,1,2} = {LL(0), SLR(1), GLR}!! Got cType: " + compilerType);
        }
    }