Method assignExpr

rhino/src/main/java/org/mozilla/javascript/Parser.java:2684–2731

()

    }

    private AstNode assignExpr() throws IOException {
        int tt = peekToken();
        if (tt == Token.YIELD) {
            return returnOrYield(tt, true);
        }

        // Intentionally not calling lineNumber/columnNumber here!
        // We have not consumed any token yet, so the position would be invalid
        int startLine = ts.lineno, startColumn = ts.getTokenColumn();

        AstNode pn = condExpr();
        boolean hasEOL = false;
        tt = peekTokenOrEOL();
        if (tt == Token.EOL) {
            hasEOL = true;
            tt = peekToken();
        }
        if (Token.FIRST_ASSIGN <= tt && tt <= Token.LAST_ASSIGN) {
            consumeToken();

            // Pull out JSDoc info and reset it before recursing.
            Comment jsdocNode = getAndResetJsDoc();

            markDestructuring(pn);
            int opPos = ts.tokenBeg;
            if (isNotValidSimpleAssignmentTarget(pn))
                reportError("msg.syntax.invalid.assignment.lhs");

            pn = new Assignment(tt, pn, assignExpr(), opPos);

            if (jsdocNode != null) {
                pn.setJsDocNode(jsdocNode);
            }
        } else if (tt == Token.SEMI) {
            // This may be dead code added intentionally, for JSDoc purposes.
            // For example: /** @type Number */ C.prototype.x;
            if (currentJsDocComment != null) {
                pn.setJsDocNode(getAndResetJsDoc());
            }
        } else if (!hasEOL && tt == Token.ARROW) {
            consumeToken();
            pn = arrowFunction(pn, startLine, startColumn);
        } else if (pn.getIntProp(Node.OBJECT_LITERAL_DESTRUCTURING, 0) == 1
                && !inDestructuringAssignment) {
            reportError("msg.syntax");
        }
        return pn;
    }

    private static boolean isNotValidSimpleAssignmentTarget(AstNode pn) {
        if (pn.getType() == Token.GETPROP)