Examples with StatementContext org.apache.sysml.parser.dml.DmlParser.StatementContext used on opensource projects

Example 1 with StatementContext

use of org.apache.sysml.parser.dml.DmlParser.StatementContext in project incubator-systemml by apache.

the class DMLParserWrapper method createDMLProgram.

private DMLProgram createDMLProgram(ProgramrootContext ast, String sourceNamespace) {
    DMLProgram dmlPgm = new DMLProgram();
    String namespace = (sourceNamespace != null && sourceNamespace.length() > 0) ? sourceNamespace : DMLProgram.DEFAULT_NAMESPACE;
    dmlPgm.getNamespaces().put(namespace, dmlPgm);
    // First add all the functions
    for (FunctionStatementContext fn : ast.functionBlocks) {
        FunctionStatementBlock functionStmtBlk = new FunctionStatementBlock();
        functionStmtBlk.addStatement(fn.info.stmt);
        try {
            dmlPgm.addFunctionStatementBlock(namespace, fn.info.functionName, functionStmtBlk);
        } catch (LanguageException e) {
            LOG.error("line: " + fn.start.getLine() + ":" + fn.start.getCharPositionInLine() + " cannot process the function " + fn.info.functionName);
            return null;
        }
    }
    // Then add all the statements
    for (StatementContext stmtCtx : ast.blocks) {
        org.apache.sysml.parser.Statement current = stmtCtx.info.stmt;
        if (current == null) {
            LOG.error("line: " + stmtCtx.start.getLine() + ":" + stmtCtx.start.getCharPositionInLine() + " cannot process the statement");
            return null;
        }
        if (current instanceof ImportStatement) {
            // Handle import statements separately
            if (stmtCtx.info.namespaces != null) {
                // Add the DMLProgram entries into current program
                for (Map.Entry<String, DMLProgram> entry : stmtCtx.info.namespaces.entrySet()) {
                    // TODO handle namespace key already exists for different program value instead of overwriting
                    DMLProgram prog = entry.getValue();
                    if (prog != null && prog.getNamespaces().size() > 0) {
                        dmlPgm.getNamespaces().put(entry.getKey(), prog);
                    }
                    // Add dependent programs (handle imported script that also imports scripts)
                    for (Map.Entry<String, DMLProgram> dependency : entry.getValue().getNamespaces().entrySet()) {
                        String depNamespace = dependency.getKey();
                        DMLProgram depProgram = dependency.getValue();
                        if (dmlPgm.getNamespaces().get(depNamespace) == null) {
                            dmlPgm.getNamespaces().put(depNamespace, depProgram);
                        }
                    }
                }
            } else {
                LOG.error("line: " + stmtCtx.start.getLine() + ":" + stmtCtx.start.getCharPositionInLine() + " cannot process the import statement");
                return null;
            }
        }
        // Now wrap statement into individual statement block
        // merge statement will take care of merging these blocks
        dmlPgm.addStatementBlock(getStatementBlock(current));
    }
    dmlPgm.mergeStatementBlocks();
    return dmlPgm;
}

Example 2 with StatementContext

use of org.apache.sysml.parser.dml.DmlParser.StatementContext in project incubator-systemml by apache.

the class DmlSyntacticValidator method exitForStatement.

@Override
public void exitForStatement(ForStatementContext ctx) {
    ForStatement forStmt = new ForStatement();
    int line = ctx.start.getLine();
    int col = ctx.start.getCharPositionInLine();
    DataIdentifier iterVar = new DataIdentifier(ctx.iterVar.getText());
    HashMap<String, String> parForParamValues = null;
    //1/-1
    Expression incrementExpr = null;
    if (ctx.iterPred.info.increment != null) {
        incrementExpr = ctx.iterPred.info.increment;
    }
    IterablePredicate predicate = new IterablePredicate(iterVar, ctx.iterPred.info.from, ctx.iterPred.info.to, incrementExpr, parForParamValues, currentFile, line, col, line, col);
    forStmt.setPredicate(predicate);
    if (ctx.body.size() > 0) {
        for (StatementContext stmtCtx : ctx.body) {
            forStmt.addStatementBlock(getStatementBlock(stmtCtx.info.stmt));
        }
        forStmt.mergeStatementBlocks();
    }
    ctx.info.stmt = forStmt;
    setFileLineColumn(ctx.info.stmt, ctx);
}

Example 3 with StatementContext

use of org.apache.sysml.parser.dml.DmlParser.StatementContext in project incubator-systemml by apache.

the class DmlSyntacticValidator method exitIfStatement.

@Override
public void exitIfStatement(IfStatementContext ctx) {
    IfStatement ifStmt = new IfStatement();
    ConditionalPredicate predicate = new ConditionalPredicate(ctx.predicate.info.expr);
    ifStmt.setConditionalPredicate(predicate);
    String fileName = currentFile;
    int line = ctx.start.getLine();
    int col = ctx.start.getCharPositionInLine();
    ifStmt.setAllPositions(fileName, line, col, line, col);
    if (ctx.ifBody.size() > 0) {
        for (StatementContext stmtCtx : ctx.ifBody) {
            ifStmt.addStatementBlockIfBody(getStatementBlock(stmtCtx.info.stmt));
        }
        ifStmt.mergeStatementBlocksIfBody();
    }
    if (ctx.elseBody.size() > 0) {
        for (StatementContext stmtCtx : ctx.elseBody) {
            ifStmt.addStatementBlockElseBody(getStatementBlock(stmtCtx.info.stmt));
        }
        ifStmt.mergeStatementBlocksElseBody();
    }
    ctx.info.stmt = ifStmt;
    setFileLineColumn(ctx.info.stmt, ctx);
}

Example 4 with StatementContext

use of org.apache.sysml.parser.dml.DmlParser.StatementContext in project incubator-systemml by apache.

the class DmlSyntacticValidator method exitInternalFunctionDefExpression.

// -----------------------------------------------------------------
// 				Internal & External Functions Definitions
// -----------------------------------------------------------------
@Override
public void exitInternalFunctionDefExpression(InternalFunctionDefExpressionContext ctx) {
    FunctionStatement functionStmt = new FunctionStatement();
    ArrayList<DataIdentifier> functionInputs = getFunctionParameters(ctx.inputParams);
    functionStmt.setInputParams(functionInputs);
    // set function outputs
    ArrayList<DataIdentifier> functionOutputs = getFunctionParameters(ctx.outputParams);
    functionStmt.setOutputParams(functionOutputs);
    // set function name
    functionStmt.setName(ctx.name.getText());
    if (ctx.body.size() > 0) {
        // handle function body
        // Create arraylist of one statement block
        ArrayList<StatementBlock> body = new ArrayList<StatementBlock>();
        for (StatementContext stmtCtx : ctx.body) {
            body.add(getStatementBlock(stmtCtx.info.stmt));
        }
        functionStmt.setBody(body);
        functionStmt.mergeStatementBlocks();
    } else {
        notifyErrorListeners("functions with no statements are not allowed", ctx.start);
        return;
    }
    ctx.info.stmt = functionStmt;
    setFileLineColumn(ctx.info.stmt, ctx);
    ctx.info.functionName = ctx.name.getText();
}

Example 5 with StatementContext

use of org.apache.sysml.parser.dml.DmlParser.StatementContext in project incubator-systemml by apache.

the class DmlSyntacticValidator method exitParForStatement.

@Override
public void exitParForStatement(ParForStatementContext ctx) {
    ParForStatement parForStmt = new ParForStatement();
    int line = ctx.start.getLine();
    int col = ctx.start.getCharPositionInLine();
    DataIdentifier iterVar = new DataIdentifier(ctx.iterVar.getText());
    HashMap<String, String> parForParamValues = new HashMap<String, String>();
    if (ctx.parForParams != null && ctx.parForParams.size() > 0) {
        for (StrictParameterizedExpressionContext parForParamCtx : ctx.parForParams) {
            String paramVal = parForParamCtx.paramVal.getText();
            if (argVals.containsKey(paramVal))
                paramVal = argVals.get(paramVal);
            parForParamValues.put(parForParamCtx.paramName.getText(), paramVal);
        }
    }
    //1/-1
    Expression incrementExpr = null;
    if (ctx.iterPred.info.increment != null) {
        incrementExpr = ctx.iterPred.info.increment;
    }
    IterablePredicate predicate = new IterablePredicate(iterVar, ctx.iterPred.info.from, ctx.iterPred.info.to, incrementExpr, parForParamValues, currentFile, line, col, line, col);
    parForStmt.setPredicate(predicate);
    if (ctx.body.size() > 0) {
        for (StatementContext stmtCtx : ctx.body) {
            parForStmt.addStatementBlock(getStatementBlock(stmtCtx.info.stmt));
        }
        parForStmt.mergeStatementBlocks();
    }
    ctx.info.stmt = parForStmt;
    setFileLineColumn(ctx.info.stmt, ctx);
}