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i have a XCode project (my main xcode project which has its executable). It has dependencies on a few other projects (under the Project tab in Detail View, there are a few other xcode project that it depends on).
My question is how can I setup breakpoint in the code of the dependent project?
I tried this, but this does not work 1. open my main xcode project 2. double click one of the dependent xcode project 3. in the source directory, find the file I want to break and add a breakpoint (by click at the side of the border of the editor, a blue 'bookmark thing' shows up) 4. Go back to 'Build and Go', my application does run but it never breaks at the break point I set in #3.
Can someone please help me? I have spent days on this, I can't figure it why.
Thank you.
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You can set a conditional break point in Xcode by setting the breakpoint normally, then control-click on it and select Edit Breakpoint (choose Run -> Show -> Breakpoints). In the breakpoint entry, there is a Condition column. Now, there are several issues to keep in mind for the condition.
To set a breakpoint in source code: Click in the far left margin next to a line of code. You can also select the line and press F9, select Debug > Toggle Breakpoint, or right-click and select Breakpoint > Insert breakpoint. The breakpoint appears as a red dot in the left margin.
An exception breakpoint is a type of breakpoint that is created when some exception occurs in the code. On occurrence of such exception our application stops at that given condition causing the exception and we can access all variables in scope at that breakpoint.
1) Add the breakpoint in your project
2) Go into breakpoints view in xcode (top left besides project navigator) The view's icon is like a breakpoint icon
3) Right click on the required breakpoint and select "Move to" -> "User"
If the breakpoint is under "User" project, then it is accessible by all projects.
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Whenever I've had trouble setting breakpoints with the Xcode GUI, I've managed to do it with the debugger command line (that is to say, the "lldb" prompt in the output window). For example, to set a breakpoint in source file "client.m" at line 42, type:
(lldb) b client.m:42
Besides being a fix for this particular problem, debugging on the command-line offers far more flexibility and automatability than any GUI could. A good place to start would be the LLDB tutorial. (Full disclosure: I'm a longtime fan of unix and gdb, so there's some bias here).
Of course, as others have mentioned, make sure the library/dependant project is compiled with debug symbols. Hope this helps; good luck.
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