Fix TopologicalIndex #553
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Fix TopologicalIndex #553
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kstich
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Sep 3, 2020
smithy-model/src/main/java/software/amazon/smithy/model/selector/PathFinder.java
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smithy-model/src/main/java/software/amazon/smithy/model/selector/PathFinder.java
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This commit fixes a bug in TopologicalIndex where some forms of recursion weren't detected, which resulted in a stack overflow. This was because directly recursive shapes were found, but transitively recursive shapes were not (shapes that are recursive on themselves, but enter into a cycle because they reference recursive shapes). To address this, TopologicalIndex was rewritten to just implement a DFS rather than try to reuse PathFinder.
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AllanZhengYP
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kstich
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This commit fixes a bug in TopologicalIndex where some forms of
recursion weren't detected, which resulted in a stack overflow. This was
because directly recursive shapes were found, but transitively recursive
shapes were not (shapes that are recursive on themselves, but enter into
a cycle because they reference recursive shapes). To address this,
TopologicalIndex was rewritten to just implement a DFS rather than try
to reuse PathFinder.
Issue #, if available:
Description of changes:
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.