Matthew Woehlke dcaa52c6c3 PrintCallStack: "Fix" entry suppression ...

Backtraces may contain non-specific entries (n.b. FromListFilePath in
cmListFileContext). Our prior expectation is that these will ALWAYS
replaced by more specific entries. However, with the previous change to
allow users to create arbitrary stack entries, this is no longer the
case. Modify PrintCallStack to only skip printing these non-specific
entries if they were in fact preceded by a more specific entry.

This, and the functionality of the preceding commit, is intended to be
used for CPS dependency resolution. Because said resolution may fail at
a non-trivial depth, it is important to be able to provide the user with
the path of packages that led to the failure. However, because this
happens through parsing JSON, there is no listfile function to associate
with the stack entries, nor do we attempt to keep track of line numbers
from the JSON. As a result, these entries will never be more specific
than the name of the CPS file whose dependencies we are trying to
locate.

2024-12-07 09:12:54 -05:00

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