Example usage for org.antlr.v4.runtime Token getStartIndex

Introduction

In this page you can find the example usage for org.antlr.v4.runtime Token getStartIndex.

Prototype

int getStartIndex();

Source Link

Document

The starting character index of the token This method is optional; return -1 if not implemented.

Usage

From source file:com.koltem.filetype.verilog.editor.VerilogErrorListener.java

protected void underlineError(Recognizer recognizer, Token offendingToken, int line, int charPositionInLine) {
    CommonTokenStream tokens = (CommonTokenStream) recognizer.getInputStream();
    String input = tokens.getTokenSource().getInputStream().toString();
    String[] lines = input.split("\n");
    String errorLine = lines[line - 1];
    System.err.println(errorLine);
    for (int i = 0; i < charPositionInLine; i++) {
        System.err.print(" ");
    }//from   w  ww  .  jav  a2  s  .com
    int start = offendingToken.getStartIndex();
    int stop = offendingToken.getStopIndex();
    if (start >= 0 && stop >= 0) {
        for (int i = start; i <= stop; i++) {
            System.err.print("^");
        }
    }
    System.err.println();
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

public void startFunction(Token nameToken, int bodyStartPos) {
    assert functionStartPos == 0;
    assert functionName == null;
    assert functionBodyStartPos == 0;
    assert parameterCount == 0;
    assert frameDescriptor == null;
    assert lexicalScope == null;

    functionStartPos = nameToken.getStartIndex();
    functionName = nameToken.getText();/*  ww w.j  a  va 2  s  .  co m*/
    functionBodyStartPos = bodyStartPos;
    frameDescriptor = new FrameDescriptor();
    methodNodes = new ArrayList<>();
    startBlock();
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

public LlvmStatementNode createWhile(Token whileToken, LlvmExpressionNode conditionNode,
        Map<String, LlvmStatementNode> bodyNode, Token nameToken) {
    final int start = whileToken.getStartIndex();
    List<LlvmStatementNode> whileList = new ArrayList();
    if (bodyNode.values() instanceof List) {
        whileList = (List) bodyNode.values();
    } else {//  w  ww  . ja v  a2 s.  co  m
        whileList = new ArrayList(bodyNode.values());
    }
    List<LlvmStatementNode> whileBody = new ArrayList();
    int length = 0;
    while (length < whileList.size()) {
        if (whileList.get(length) != null)
            whileBody.add(whileList.get(length));
        length++;
    }
    final int end = whileBody.get(whileBody.size() - 1).getSourceSection().getCharEndIndex();
    whileBody.add(lexicalScope.blockMap.get(nameToken.getText()));
    LlvmStatementNode whileReturnNode = this.createBasicBlockNode(nameToken, whileBody, start, end - start);
    final LlvmWhileNode whileNode = new LlvmWhileNode(
            source.createSection(whileToken.getText(), start, end - start), conditionNode, whileReturnNode);
    return whileNode;
    // final int start = whileToken.getStartIndex();
    // final int end = bodyNode.getSourceSection().getCharEndIndex();
    // List<LlvmStatementNode> whileBody = new ArrayList();
    // System.out.println(nameToken.getText());
    // whileBody.add(bodyNode);
    // whileBody.add(lexicalScope.blockMap.get(nameToken.getText()));
    //
    // bodyNode = this.createBasicBlockNode(nameToken, whileBody, start, end - start);
    // final LlvmWhileNode whileNode = new LlvmWhileNode(source.createSection(whileToken.getText(),
    // start, end - start), conditionNode, bodyNode);
    // return whileNode;
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

public LlvmStatementNode createIf(Token ifToken, String str, LlvmExpressionNode conditionNode,
        LlvmStatementNode thenPartNode, LlvmStatementNode elsePartNode) {
    final int start = ifToken.getStartIndex();
    final int end = elsePartNode == null ? thenPartNode.getSourceSection().getCharEndIndex()
            : elsePartNode.getSourceSection().getCharEndIndex();
    final SourceSection src = source.createSection(str, start, end - start);
    final LlvmIfNode ifNode = new LlvmIfNode(source.createSection(ifToken.getText(), start, end - start),
            conditionNode, thenPartNode, elsePartNode);
    return ifNode;
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

public LlvmStatementNode createReturn(Token t, LlvmExpressionNode valueNode) {
    final int start = t.getStartIndex();
    final int length = valueNode == null ? t.getText().length()
            : valueNode.getSourceSection().getCharEndIndex() - start;
    final LlvmReturnNode returnNode = new LlvmReturnNode(source.createSection(t.getText(), start, length),
            valueNode);//from  w  w w.j  a  v  a 2 s.c o  m
    // final LlvmStatementNode returnNode = null;
    return returnNode;
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

/**
 * Returns an {@link LlvmInvokeNode} for the given parameters.
 *
 * @param functionNode The function being called
 * @param parameterNodes The parameters of the function call
 * @param finalToken A token used to determine the end of the sourceSelection for this call
 * @return An LlvmInvokeNode for the given parameters.
 *///  w  w  w.ja  va2  s .c o  m
public LlvmExpressionNode createCall(LlvmExpressionNode functionNode, List<LlvmExpressionNode> parameterNodes,
        Token finalToken) {
    final int startPos = functionNode.getSourceSection().getCharIndex();
    final int endPos = finalToken.getStartIndex() + finalToken.getText().length();
    final SourceSection src = source.createSection(functionNode.getSourceSection().getIdentifier(), startPos,
            endPos - startPos);
    return LlvmInvokeNode.create(src, functionNode,
            parameterNodes.toArray(new LlvmExpressionNode[parameterNodes.size()]));
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

/**
 * Returns an {@link LlvmWriteLocalVariableNode} for the given parameters.
 *
 * @param nameToken The name of the variable being assigned
 * @param valueNode The value to be assigned
 * @return An LlvmExpressionNode for the given parameters.
 */// ww w  .j av  a  2  s .  com
public LlvmExpressionNode createAssignment(Token nameToken, LlvmExpressionNode valueNode) {
    FrameSlot frameLlvmot = frameDescriptor.findOrAddFrameSlot(nameToken.getText());
    lexicalScope.locals.put(nameToken.getText(), frameLlvmot);
    final int start = nameToken.getStartIndex();
    final int length = valueNode.getSourceSection().getCharEndIndex() - start;
    return LlvmWriteLocalVariableNodeGen.create(source.createSection("=", start, length), valueNode,
            frameLlvmot);
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

public LlvmExpressionNode createReassignment(Token nameToken, LlvmExpressionNode valueNode) {
    FrameSlot frameLlvmot = frameDescriptor.findOrAddFrameSlot(nameToken.getText());
    lexicalScope.locals.put(nameToken.getText(), frameLlvmot);
    final int start = nameToken.getStartIndex();
    final int length = start - valueNode.getSourceSection().getCharIndex();
    return LlvmWriteLocalArrayVariableNodeGen.create(source.createSection("=", start, length), valueNode,
            frameLlvmot);/*from   w w w .j  ava2s.  c  o  m*/
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

public LlvmStatementNode createCallBasicBlock(LlvmExpressionNode blockNode, Token finalToken) {
    final int startPos = blockNode.getSourceSection().getCharIndex();
    final int endPos = finalToken.getStartIndex() + finalToken.getText().length();
    final SourceSection src = source.createSection(blockNode.getSourceSection().getIdentifier(), startPos,
            endPos - startPos);/*from  w w w .j  av a 2 s . c  o m*/
    // return LlvmInvokeBasicBlockNode.create(src, blockNode);
    return lexicalScope.blockMap.get(blockNode.getSourceSection().getIdentifier());
}

From source file:com.oracle.truffle.llvm.parser.LlvmNodeFactory.java

License:Open Source License

/**
 * Returns an {@link LlvmReadPropertyNode} for the given parameters.
 *
 * @param receiverNode The receiver of the property access
 * @param nameToken The name of the property being accessed
 * @return An LlvmExpressionNode for the given parameters.
 *///from  www.  jav a  2s  .  c o  m
public LlvmExpressionNode createReadProperty(LlvmExpressionNode receiverNode, Token nameToken) {
    final int startPos = receiverNode.getSourceSection().getCharIndex();
    final int endPos = nameToken.getStartIndex() + nameToken.getText().length();
    final SourceSection src = source.createSection(".", startPos, endPos - startPos);
    return LlvmReadPropertyNode.create(src, receiverNode, nameToken.getText());
}