Prevent xref crashes with undef behaviours #1572
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When a given behaviour module does not exist, rebar3 brutally crashes. This patch makes it so instead, there is a warning output menitoning the missing behaviour, and this one is omitted from the unused function calls check. This means that unused calls will instead be shown for the module implementing a non-existing behaviour, as if no behaviour were declared in the first place.
tsloughter
approved these changes
Jun 13, 2017
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When a given behaviour module does not exist, rebar3 brutally crashes.
This patch makes it so instead, there is a warning output menitoning the
missing behaviour, and this one is omitted from the unused function
calls check. This means that unused calls will instead be shown for the
module implementing a non-existing behaviour, as if no behaviour were
declared in the first place.
Fixes #1570