Move AExpression mutable members into isolated Input/Output objects#53075
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jdconrad merged 16 commits intoelastic:masterfrom Mar 9, 2020
Merged
Move AExpression mutable members into isolated Input/Output objects#53075jdconrad merged 16 commits intoelastic:masterfrom
jdconrad merged 16 commits intoelastic:masterfrom
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Pinging @elastic/es-core-infra (:Core/Infra/Scripting) |
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@rjernst Thanks for the review! |
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…53348) This is the follow up to #53075, isolating the mutable data on the statement nodes as the referenced change did the expression nodes. This is a step toward the long-term goal of making the "user" trees nodes immutable. This change isolates the mutable data for statement nodes in the "user" tree during the semantic (analysis) phase by moving the mutable data into Input and Output objects. These objects are created locally during the semantic phase to share information required for semantic checking between parent-child nodes. Note that for this change, Input and Output are still stored in a mutable way on the statement nodes. This will not be the case once the semantic (analysis) phase and ir generation (write) phase are combined in a future change. Relates #49869
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This is a step toward the long-term goal of making the "user" trees nodes immutable. This change isolates the mutable data for expression nodes in the "user" tree during the semantic (analysis) phase by moving the mutable data into Input and Output objects. These objects are created locally during the semantic phase to share information required for semantic checking between parent-child nodes.
Note that for this change, Input and Output are still stored in a mutable way on the expression nodes. This will not be the case once the semantic (analysis) phase and ir generation (write) phase are combined in a future change.
Relates #49869