Examples of caltrop.interpreter.ast.InputPattern

caltrop.interpreter.ast.InputPattern

    ////                         private methods                   ////
    private Map _createNameToPortVarInfoMap(InputPattern[] inputPatterns) {
        Map result = new HashMap();


        for (int i = 0; i < inputPatterns.length; i++) {
            InputPattern inputPattern = inputPatterns[i];
            int repeatVal = -1; // no repeat expression.
            Expression repeatExpr = inputPattern.getRepeatExpr();
            boolean isList = ((repeatExpr == null) ? false : true);


            if (isList) {
                repeatVal = _context.intValue(_eval.evaluate(repeatExpr));


                if (repeatVal < 0) {
                    throw new InterpreterException("Repeat expressions "
                            + "must evaluate to nonnegative values.");
                }
            }


            String[] variables = inputPattern.getVariables();


            for (int j = 0; j < variables.length; j++) {
                String variable = variables[j];
                result.put(variable, new PortVarInfo(
                        inputPattern.getPortname(), j, variables.length,
                        isList, repeatVal));
            }
        }


        return result;

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        final Environment local = actorEnv.newFrame();


        final InputPattern[] inputPatterns = action.getInputPatterns();


        for (int i = 0; i < inputPatterns.length; i++) {
            final InputPattern inputPattern = inputPatterns[i];
            final String[] vars = inputPattern.getVariables();
            final Expression repExpr = inputPattern.getRepeatExpr();


            if (repExpr == null) {
                for (int j = 0; j < vars.length; j++) {
                    final InputChannel channel = ((InputPort) (inputPortMap
                            .get(inputPattern.getPortname()))).getChannel(0); // FIXME
                    local.bind(vars[j], new SingleTokenReaderThunk(channel, j));
                }
            } else {
                SimpleThunk repExprThunk = new SimpleThunk(repExpr, context,
                        local);
                local.bind(new EnvironmentKey(inputPattern.getPortname()),
                        repExprThunk);


                for (int j = 0; j < vars.length; j++) {
                    final InputChannel channel = ((InputPort) (inputPortMap
                            .get(inputPattern.getPortname()))).getChannel(0); // FIXME
                    local.bind(vars[j], new MultipleTokenReaderThunk(channel,
                            j, vars.length, repExprThunk, context));
                }
            }
        }

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        final Action action = envAction;
        final InputPattern[] inputPatterns = action.getInputPatterns();


        for (int i = 0; i < inputPatterns.length; i++) {
            final InputPattern inputPattern = inputPatterns[i];


            // FIXME: handle multiports
            final InputChannel channel = ((InputPort) (inputPortMap
                    .get(inputPattern.getPortname()))).getChannel(0);


            if (inputPattern.getRepeatExpr() == null) {
                if (!channel.hasAvailable(inputPattern.getVariables().length)) {
                    // System.out.println("Not enough inputs:" + inputPattern.getVariables().length);
                    return false;
                }
            } else {
                int repeatVal = context.intValue(env.get(new EnvironmentKey(
                        inputPattern.getPortname())));


                if (!channel.hasAvailable(inputPattern.getVariables().length
                        * repeatVal)) {
                    // System.out.println("Not enough repeated inputs:" + inputPattern.getVariables().length * repeatVal);
                    return false;
                }
            }

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        final Action action = envAction;


        final InputPattern[] inputPatterns = action.getInputPatterns();


        for (int i = 0; i < inputPatterns.length; i++) {
            final InputPattern inputPattern = inputPatterns[i];


            // FIXME: handle multiports
            final InputChannel channel = ((InputPort) (inputPortMap
                    .get(inputPattern.getPortname()))).getChannel(0);


            if (inputPattern.getRepeatExpr() == null) {
                if (!channel.hasAvailable(inputPattern.getVariables().length)) {
                    throw new InterpreterException("Not enough inputs:"
                            + inputPattern.getVariables().length);
                }
            } else {
                int repeatVal = context.intValue(env.get(new EnvironmentKey(
                        inputPattern.getPortname())));


                if (!channel.hasAvailable(inputPattern.getVariables().length
                        * repeatVal)) {
                    throw new InterpreterException(
                            "Not enough repeated inputs:"
                                    + (inputPattern.getVariables().length * repeatVal));
                }
            }
        }


        final StmtEvaluator eval = new StmtEvaluator(context, env);

View Full Code Here

    }


    private Environment _bindInputPatternVars(InputPattern[] inputPatterns,
            Map inputData, Environment env) {
        for (int i = 0; i < inputPatterns.length; i++) {
            InputPattern inputPattern = inputPatterns[i];
            ChannelID chID = new ChannelID(inputPattern.getPortname(), 0);
            List data = (List) inputData.get(chID);
            Expression repeatExpr = inputPattern.getRepeatExpr();


            if (repeatExpr == null) {
                String[] vars = inputPattern.getVariables();


                for (int j = 0; j < vars.length; j++) {
                    String varName = vars[j];
                    env.bind(varName, data.get(j));
                }
            } else {
                String[] vars = inputPattern.getVariables();
                List[] l = new List[vars.length];


                for (int j = 0; j < l.length; j++) {
                    l[j] = new ArrayList();
                }

View Full Code Here


        if (actions.length == 1) {
            InputPattern[] inputPatterns = actions[0].getInputPatterns();


            for (int i = 0; i < inputPatterns.length; i++) {
                InputPattern inputPattern = inputPatterns[i];
                numNeeded = numTokensNeeded(inputPattern);


                List data = (List) dataSoFar.get(new ChannelID(inputPattern
                        .getPortname(), 0));


                if (data != null) {
                    numNeeded = numNeeded - data.size();
                }


                if (numNeeded > 0) {
                    inputProfile.put(new ChannelID(inputPattern.getPortname(),
                            0), Integer.valueOf(numNeeded));
                }
            }


            return inputProfile;
        }


        InputPattern[] inputPatterns = actions[0].getInputPatterns();


        if (inputPatterns.length == 0) {
            // if the first action has no input patterns,
            // then the "intersection" will be empty.
            return inputProfile;
        }


        for (int i = 0; i < inputPatterns.length; i++) {
            InputPattern inputPattern = inputPatterns[i];
            numNeeded = numTokensNeeded(inputPattern);


            for (int j = 1; j < actions.length; j++) {
                InputPattern ip = getInputPattern(inputPattern.getPortname(),
                        actions[j]);


                if (ip == null) {
                    numNeeded = 0;
                    break;

View Full Code Here


    private InputPattern getInputPattern(String name, Action action) {
        InputPattern[] inputPatterns = action.getInputPatterns();


        for (int i = 0; i < inputPatterns.length; i++) {
            InputPattern inputPattern = inputPatterns[i];


            if (inputPattern.getPortname().equals(name)) {
                return inputPattern;
            }
        }


        return null;

View Full Code Here


        for (int i = 0; i < actions.length; i++) {
            Action action = actions[i];


            for (int j = 0; j < action.getInputPatterns().length; j++) {
                InputPattern inputPattern = action.getInputPatterns()[j];
                ChannelID chID = new ChannelID(inputPattern.getPortname(), 0);
                int numNeeded = numTokensNeeded(inputPattern);
                int numHave = 0;
                List data = (List) dataSoFar.get(chID);


                if (data != null) {

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            Action action = actions[i];
            InputPattern[] inputPatterns = action.getInputPatterns();
            boolean encountered = false;


            for (int j = 0; j < inputPatterns.length; j++) {
                InputPattern inputPattern = inputPatterns[j];
                String name = inputPattern.getPortname();
                ChannelID chID = new ChannelID(name, 0);


                if (inputProfile.containsKey(chID)) {
                    if (!encountered) {
                        encountered = true;

View Full Code Here


    private boolean isFirable(Action action, Map dataSoFar) {
        InputPattern[] inputPatterns = action.getInputPatterns();


        for (int i = 0; i < inputPatterns.length; i++) {
            InputPattern inputPattern = inputPatterns[i];
            int numNeeded = numTokensNeeded(inputPattern);
            List data = (List) dataSoFar.get(new ChannelID(inputPattern
                    .getPortname(), 0));
            int numHave = (data == null) ? 0 : data.size();


            if (numNeeded > numHave) {
                return false;

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