Method statement

rhino/src/main/java/org/mozilla/javascript/Parser.java:1389–1435

()

    }

    private AstNode statement() throws IOException {
        int pos = ts.tokenBeg;
        try {
            AstNode pn = statementHelper();
            if (pn != null) {
                if (compilerEnv.isStrictMode() && !pn.hasSideEffects()) {
                    int beg = pn.getPosition();
                    beg = Math.max(beg, lineBeginningFor(beg));
                    addStrictWarning(
                            pn instanceof EmptyStatement
                                    ? "msg.extra.trailing.semi"
                                    : "msg.no.side.effects",
                            "",
                            beg,
                            nodeEnd(pn) - beg);
                }
                int ntt = peekToken();
                if (ntt == Token.COMMENT
                        && pn.getLineno()
                                == scannedComments.get(scannedComments.size() - 1).getLineno()) {
                    pn.setInlineComment(scannedComments.get(scannedComments.size() - 1));
                    consumeToken();
                }
                return pn;
            }
        } catch (ParserException e) {
            // an ErrorNode was added to the ErrorReporter
        }

        // error:  skip ahead to a probable statement boundary
        guessingStatementEnd:
        for (; ; ) {
            int tt = peekTokenOrEOL();
            consumeToken();
            switch (tt) {
                case Token.ERROR:
                case Token.EOF:
                case Token.EOL:
                case Token.SEMI:
                    break guessingStatementEnd;
            }
        }
        // We don't make error nodes explicitly part of the tree;
        // they get added to the ErrorReporter.  May need to do
        // something different here.
        return new EmptyStatement(pos, ts.tokenBeg - pos);
    }

    private AstNode statementHelper() throws IOException {
        // If the statement is set, then it's been told its label by now.