Track nested scopes during debugging#1442
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This adds new execution graph nodes for pushing and popping variable scopes that are used only while debugging (like statement nodes) so that the evaluator can correctly respond to local variable requests during debugging. Fixes #1436
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idavis
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swernli
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Changes introduced in #1442 to enable debugger tracking of variable scopes caused a bug if a program used callables with early returns, namely those returns would not pop an added scopes and later execution would read/write the wrong variable states. This fixes the issue by introducing a debug-only return node that triggers a frame leave handling in the environment. This needs to be debug only because it should not be used during partial evaluation.
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Changes introduced in #1442 to enable debugger tracking of variable scopes caused a bug if a program used callables with early returns, namely those returns would not pop any added scopes and later execution would read/write the wrong variable states. This fixes the issue by introducing a debug-only return node that triggers a frame leave handling in the environment. This needs to be debug only because it should not be used during partial evaluation.
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This adds new execution graph nodes for pushing and popping variable scopes that are used only while debugging (like statement nodes) so that the evaluator can correctly respond to local variable requests during debugging.
Fixes #1436