1381194 - SyntaxError: expected expression, got keyword 'else'

Status: RESOLVED INCOMPLETE

(Core :: JavaScript Engine, defect)

Description

[Jim Michaels]

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0
Build ID: 20170628075643

Steps to reproduce:

large js code with large curly-bracketed if { ... } else { ... }



Actual results:

console error:
SyntaxError: expected expression, got keyword 'else'

given the context of an if statement, this is a mixed up, wrong error message for the type of statement that it is. occurred on keyword else.


Expected results:

should have shown me where the actual error was.

Comment 1

[Jim Michaels]

please search or partial-search the js engine parser source for this string to find where bug is hiding.

Comment 2

[Jim Michaels]

or engine strings db.

Comment 3

[Tooru Fujisawa [:arai]]

please provide a testcase.
https://developer.mozilla.org/en-US/docs/Mozilla/QA/Bug_writing_guidelines

Comment 4

[Jim Michaels]

I can't share the code with you because it's commercial.

Comment 5

[Jim Michaels]

did you do as I requested?

Comment 6

[Tooru Fujisawa [:arai]]

you don't have to provide whole code. reduced testcase that demonstrates the issue is sufficient.
please try creating minimal standalone testcase.
if you cannot provide any kind of testcase, there's no way to figure out what you're seeing.

Comment 7

[Tooru Fujisawa [:arai]]

in most case, that error is thrown when there's unbalanced braces and "else" is placed after a block that is not after "if".
please also check if the code works on other browser.

Comment 8

[SriSailesh]

It had an insufficient test cases, didnot contain the entiere code and made the script ended with the error.

Comment 9

[Tooru Fujisawa [:arai]]

closing due to lack of response.