WEIRD WEIRD WEIRDIt seems it is threading issueBecause when I tried to
breakpoint on line 71 file main.swift (like you did)It worked perfectlyI even
could "frame variable" fully
It seems that perfect framework when handle an HTTP request, it makes something
in threads, I don't know how to debug it
Try to debug on line 31 then invoke an HTTP request on localhost:8181, you will
reproduce the error
But it works when I use xcode (Again this is irreleveant, this is not the
solution)
من: Jim Ingham <[email protected]>
إلى: Fadi Botros <[email protected]>
نسخة كربونية: Michael Gottesman <[email protected]>; "[email protected]"
<[email protected]>
تاريخ الإرسال: الثلاثاء 7 نوفمبر، 2017 12:21 ص
الموضوع: Re: بخصوص: [swift-users] About Swift Package Manager and LLDB
This works for me (with Xcode 9.0):
> git clone https://github.com/PerfectlySoft/PerfectTemplate.git PTCloning
into 'PT'...remote: Counting objects: 214, done.remote: Total 214 (delta 0),
reused 0 (delta 0), pack-reused 214Receiving objects: 100% (214/214), 48.65 KiB
| 0 bytes/s, done.Resolving deltas: 100% (110/110), done. > cd PT > swift
build<lots of output> > cd .build/debug > lldb PerfectTemplate(lldb) target
create "PerfectTemplate"Current executable set to 'PerfectTemplate'
(x86_64).(lldb) b s -l 71Breakpoint 1: where = PerfectTemplate`main + 2627 at
main.swift:71, address = 0x0000000100436c33(lldb) runProcess 26948 launched:
'/private/tmp/PT/.build/x86_64-apple-macosx10.10/debug/PerfectTemplate'
(x86_64)Process 26948 stopped* thread #1, queue = 'com.apple.main-thread', stop
reason = breakpoint 1.1 frame #0: 0x0000000100436c33 PerfectTemplate`main at
main.swift:71 68 69 do { 70 // Launch the servers based on the
configuration data.-> 71 try HTTPServer.launch(configurationData: confData)
^ 72 } catch { 73 fatalError("\(error)") // fatal error launching
one of the servers 74 }Target 0: (PerfectTemplate) stopped.(lldb) expr
confData.count(Int) $R1 = 1
Do the same steps not work for you? If you were doing something different can
you describe the steps you took?
Jim
On Nov 6, 2017, at 2:10 PM, Fadi Botros <[email protected]> wrote:
Also please notedI think it is a SPM issue not an LLDB oneBecause when compiled
on the same mac with Xcode (Swift package manager generate Xcode project), then
use xcode-buildLLDB works perfectly in this circumstances
I think you should refine the compilation script generated by SPM to generate
something like Xcode results (I think Xcode itself uses normal Swift toolchain,
I think it does nothing here more than generating a better compilation/linking
script)
من: Jim Ingham <[email protected]>
إلى: Fadi Botros <[email protected]>
نسخة كربونية: Michael Gottesman <[email protected]>; "[email protected]"
<[email protected]>
تاريخ الإرسال: الإثنين 6 نوفمبر، 2017 11:45 م
الموضوع: Re: [swift-users] About Swift Package Manager and LLDB
Swift doesn’t seem to be reporting whatever the error is, I just see:
((SwiftASTContext*)0x7f8c555c84a0)->GetModule('PerfectTemplate') -- failed with
no error
That’s not very helpful. Again, I’ll probably need to make this happen locally
to see what went wrong. If you have a project that shows the issue which you
can make available, please file a bug with a description of how you build and
debug this app, I’ll take a look.
Jim
On Nov 6, 2017, at 12:56 PM, Fadi Botros <[email protected]> wrote:
OKHere is when captured "print self" log from the beginning
Attached here is the full log fileSee the attachments
من: Jim Ingham <[email protected]>
إلى: Fadi Botros <[email protected]>
نسخة كربونية: Michael Gottesman <[email protected]>; "[email protected]"
<[email protected]>
تاريخ الإرسال: الإثنين 6 نوفمبر، 2017 10:15 م
الموضوع: Re: [swift-users] About Swift Package Manager and LLDB
The log for “print self” was unfortunately captured too late. Reading in the
PerfectTemplate module had already failed, and so any subsequent attempt will
just report it as failed. To get the complete error log for this, you need to
put:
log enable -f /tmp/lldb-type-log.txt lldb types
in your ~/.lldbinit file and then start a fresh debugging session and capture
the whole session.
The failure from the REPL is because you have to tell the REPL where to look
for other frameworks from which it might load modules. You can pass
appropriate -I, -L and -F flags to the “swift” invocation too tell the compiler
lldb’s using to implement the REPL where to look for this module.
The example you gave seems to be a MacOS X example. The binary type was MachO
etc. If this is just a small example that you are using to demonstrate the
problem, can you file a PR with the swift bug reporter with this example and
how you built/ran it and we can take a look here. That’s probably easier than
trying to pass logs back and forth.
Jim
On Nov 6, 2017, at 11:27 AM, Fadi Botros via swift-users
<[email protected]> wrote:
This happens when try to print(self)Processing command: po print(self)
HandleCommand, cmd_obj : 'expression' Handl - Pastebin.com
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Processing command: po print(self) HandleCommand, cmd_obj : 'expressio...
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This happens when REPL then try to "import PerfectTemplate"==
[UserExpression::Evaluate] Parsing expression import PerfectTemplate == Swif -
Pastebin.com
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== [UserExpression::Evaluate] Parsing expression import PerfectTemplate == ...
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Also the same problem happens in Kitura (even if only use packages that depend
on Swift 4)
من: Michael Gottesman <[email protected]>
إلى: Michael Gottesman <[email protected]>
نسخة كربونية: "[email protected]" <[email protected]>; Fadi Botros
<[email protected]>
تاريخ الإرسال: الإثنين 6 نوفمبر، 2017 7:01 م
الموضوع: Re: [swift-users] About Swift Package Manager and LLDB
Or actually:
https://github.com/apple/swift/blob/master/docs/DebuggingTheCompiler.rst#debugging-failures-in-lldb
I would just enable all of the logging and post it here or if the log is very
big put the log into a pastebin.
On Nov 6, 2017, at 8:59 AM, Michael Gottesman via swift-users
<[email protected]> wrote:
I am not going to answer this fully (I forwarded it to the appropriate people
though). But to help them out, can you go to ./docs/DebuggingTheCompiler and
enable lldb logging and post the output here?
Michael
On Nov 6, 2017, at 8:43 AM, Fadi Botros via swift-users
<[email protected]> wrote:
I'm interested in doing Web Application using Swift and promoting this to be a
trend someday.But I couldn't find a way to debug web apps without using
XcodeThis is irrelevant because web applications are mainly on Linux, so what
if we want to do remote debugging ?
I tried using the SPM, and when I try to compile a Kitura or Perfect app then
try to debug it, it gives me this
(lldb) po print(self)
warning: Swift error in module <moduleName>.
Debug info from this module will be unavailable in the debugger.
error: in auto-import:
failed to get module '<SomeModuleName>' from AST context
I'm using macOS Sierra (sorry didn't have time to upgrade), with Swift 4 that
comes with Xcode 9Also tried the same experiment on Xubuntu using Swift 4
debian package provided on swift.org itself
The only succeeded way is to generate an xcodeproj and compile it, this is
irrelevant because it is only macOS, while servers are Linux.
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<lldb-type-log.txt>
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