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src: fix ^ in stack trace with vm's columnOffset by TimothyGu · Pull Request #15771 · nodejs/node

@TimothyGu 

While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

@TimothyGu added c++

Issues and PRs that require attention from people who are familiar with C++.

vm

Issues and PRs related to the vm subsystem.

labels

Oct 4, 2017

@nodejs-github-bot nodejs-github-bot added the c++

Issues and PRs that require attention from people who are familiar with C++.

label

Oct 4, 2017

addaleax

tniessen

TimothyGu added a commit that referenced this pull request

Oct 7, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: #15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

MylesBorins pushed a commit that referenced this pull request

Oct 7, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: #15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

MylesBorins pushed a commit that referenced this pull request

Oct 11, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: #15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

addaleax pushed a commit to addaleax/ayo that referenced this pull request

Oct 12, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: nodejs/node#15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

MylesBorins pushed a commit that referenced this pull request

Oct 17, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: #15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

MylesBorins pushed a commit that referenced this pull request

Oct 18, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: #15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

MylesBorins pushed a commit that referenced this pull request

Oct 25, 2017 
While VM module's columnOffset option does succeed in applying an offset
to the column number in the stack trace, the wavy diagram printed does
not account for potential offsets, resulting in erroneous location of
`^` in the first line of the script.

Before:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
     ^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:44:33)
    at Object.runInThisContext (vm.js:116:38)
```

After:

```
> vm.runInThisContext('throw new Error()', { columnOffset: 5 })
evalmachine.<anonymous>:1
throw new Error()
^

Error
    at evalmachine.<anonymous>:1:12
    at ContextifyScript.Script.runInThisContext (vm.js:50:33)
    at Object.runInThisContext (vm.js:139:38)
    at repl:1:4
```

PR-URL: #15771
Refs: jsdom/jsdom#2003
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>