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These tests consist of various Python constructions (hopefully a somewhat comprehensive set) with specific timestamp annotations scattered throughout. When the tests are run using the Python 3 interpreter, these annotations are checked and compared to the "current timestamp" to see that they are in agreement. This is what makes the tests "self-validating". There are a few different kinds of annotations: the basic `t[4]` style (meaning this is executed at timestamp 4), the `t[dead(4)]` variant (meaning this _would_ happen at timestamp 4, but it is in a dead branch), and `t[never]` (meaning this is never executed at all). In addition to this, there is a query, MissingAnnotations, which checks whether we have applied these annotations maximally. Many expression nodes are not actually annotatable, so there is a sizeable list of excluded nodes for that query.
17 lines
432 B
Plaintext
17 lines
432 B
Plaintext
/**
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* Implementation of the evaluation-order CFG signature using the existing
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* Python control flow graph.
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*/
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private import python as Py
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import TimerUtils
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/** Existing Python CFG implementation of the evaluation-order signature. */
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module OldCfg implements EvalOrderCfgSig {
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class CfgNode = Py::ControlFlowNode;
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class BasicBlock = Py::BasicBlock;
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CfgNode scopeGetEntryNode(Py::Scope s) { result = s.getEntryNode() }
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}
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