Examples of com.google.javascript.jscomp.parsing.parser.util.SourcePosition

Package com.google.javascript.jscomp.parsing.parser.util

Examples of com.google.javascript.jscomp.parsing.parser.util.SourcePosition

com.google.javascript.jscomp.parsing.parser.util.SourcePosition
A position in a source string - includes offset, line and column.

        || peek(TokenType.TEMPLATE_HEAD);
  }


  // 11.2 Member Expression without the new production
  private ParseTree parseMemberExpressionNoNew() {
    SourcePosition start = getTreeStartLocation();
    ParseTree operand;
    if (peekFunction()) {
      operand = parseFunctionExpression();
    } else {
      operand = parsePrimaryExpression();

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  }


  // 11.2 New Expression
  private ParseTree parseNewExpression() {
    if (peek(TokenType.NEW)) {
      SourcePosition start = getTreeStartLocation();
      eat(TokenType.NEW);
      ParseTree operand = parseNewExpression();
      ArgumentListTree arguments = null;
      if (peek(TokenType.OPEN_PAREN)) {
        arguments = parseArguments();

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    //
    // AssignmentOrSpreadExpression :
    //   ... AssignmentExpression
    //   AssignmentExpression


    SourcePosition start = getTreeStartLocation();
    ImmutableList.Builder<ParseTree> arguments = ImmutableList.builder();


    eat(TokenType.OPEN_PAREN);
    while (peekAssignmentOrSpread()) {
      arguments.add(parseAssignmentOrSpread());

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    return parseParenPattern(PatternKind.ANY);
  }


  private ParseTree parseParenPattern(PatternKind kind) {
    if (peek(TokenType.OPEN_PAREN)) {
      SourcePosition start = getTreeStartLocation();
      eat(TokenType.OPEN_PAREN);
      ParseTree result = parseParenPattern(kind);
      eat(TokenType.CLOSE_PAREN);
      return new ParenExpressionTree(this.getTreeLocation(start), result);
    } else {

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  private static final EnumSet<TokenType> arraySubPatternFollowSet =
      EnumSet.of(TokenType.COMMA, TokenType.CLOSE_SQUARE, TokenType.EQUAL);


  // Element ::= Pattern | LValue | ... LValue
  private ParseTree parseArrayPatternElement(PatternKind kind) {
    SourcePosition start = getTreeStartLocation();
    ParseTree lvalue;
    boolean rest = false;


    // [ or { are preferably the start of a sub-pattern
    if (peekParenPattern(kind, arraySubPatternFollowSet)) {

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    return lvalue;
  }


  // Pattern ::= ... | "[" Element? ("," Element?)* "]"
  private ParseTree parseArrayPattern(PatternKind kind) {
    SourcePosition start = getTreeStartLocation();
    ImmutableList.Builder<ParseTree> elements = ImmutableList.builder();
    eat(TokenType.OPEN_SQUARE);
    while (peek(TokenType.COMMA) || peekPatternElement()) {
      if (peek(TokenType.COMMA)) {
        eat(TokenType.COMMA);

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    return new ArrayPatternTree(getTreeLocation(start), elements.build());
  }


  // Pattern ::= "{" (Field ("," Field)* ","?)? "}" | ...
  private ParseTree parseObjectPattern(PatternKind kind) {
    SourcePosition start = getTreeStartLocation();
    ImmutableList.Builder<ParseTree> fields = ImmutableList.builder();
    eat(TokenType.OPEN_CURLY);
    while (peekObjectPatternField()) {
      fields.add(parseObjectPatternField(kind));
      if (peek(TokenType.COMMA)) {

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  private boolean peekObjectPatternField() {
    return peekPropertyNameOrComputedProp(0);
  }


  private ParseTree parseObjectPatternField(PatternKind kind) {
    SourcePosition start = getTreeStartLocation();
    if (peekType() == TokenType.OPEN_SQUARE) {
      ParseTree key = parseComputedPropertyName();
      eat(TokenType.COLON);
      ParseTree value = parseObjectPatternFieldTail(kind);
      return new ComputedPropertyDefinitionTree(getTreeLocation(start), key, value);

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  /**
   * Parses the "tail" of an object pattern field, i.e. the part after the ':'
   */
  private ParseTree parseObjectPatternFieldTail(PatternKind kind) {
    SourcePosition start = getTreeStartLocation();
    ParseTree value;
    if (peekPattern(kind)) {
      value = parsePattern(kind);
    } else {
      value = (kind == PatternKind.ANY)

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    }


    @Override
    Node processCommaExpression(CommaExpressionTree tree) {
      Node root = newNode(Token.COMMA);
      SourcePosition start = tree.expressions.get(0).location.start;
      SourcePosition end = tree.expressions.get(1).location.end;
      setSourceInfo(root, start, end);
      for (ParseTree expr : tree.expressions) {
        int count = root.getChildCount();
        if (count < 2) {
          root.addChildrenToBack(transform(expr));

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