Issue #2788 - EQL: distinct notions of equality for AST nodes - #2811

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homedirectory wants to merge 28 commits into

3.0.0-SNAPSHOTfrom

Commits on Jul 17, 2026

#2788 Enhance EqlQueryTransformer to accept an initial source ID
homedirectory
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45319a1
#2788 Document nullability of stage 3 query components
homedirectory
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0c3bc01
#2788 Provide public access to components of EQL AST stage 3 nodes
homedirectory
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c597167
#2788 Introduce AbstractSameShapeVisitor to traverse the EQL AST
homedirectory
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25fc0f3
#2788 A visitor that implements structural equivalence for EQL ASTs
homedirectory
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8e7d442

Commits on Jul 20, 2026

#2788 Implement alpha-equivalence for EQL ASTs
homedirectory
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99c332b
#2788 Introduce a helper visitor to collect EQL AST nodes of a given type
homedirectory
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2a92592
#2788 Tests for alpha-equivalence
homedirectory
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17cca26

Commits on Jul 21, 2026

#2788 Declare parameters final
homedirectory
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2251357
#2788 Same instance nodes are alpha-equivalent
homedirectory
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0910368
#2788 Remove unnecessary TODOs
homedirectory
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6bda0ab

Commits on Jul 22, 2026

#2788 Name AbstractSameShapeVisitor typed methods after their nodes
homedirectory
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0e8c6e0

Commits on Jul 23, 2026

#2788 Generalise the node collecting visitor to any predicate
homedirectory
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13e77a2
#2788 Remove equals and hashCode from stage 3 nodes
homedirectory
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2e34f4e
#2788 Adjust some structural EQL tests to use alpha-equivalence instead of Object.equals
homedirectory
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b2110c2
#2788 Simplify IdOnlyQueryTransformationTest
homedirectory
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0223ee7
#2788 Replace vague assertQueryEquals by clear assertAlphaEq
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2e35237
#2788 Add missing override annotations
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affdc1f
#2788 Remove unnecessary overrides
homedirectory
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d6d3444
#2788 Document the design principle of visitors as operations
homedirectory
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b75e8df
#2788 Introduce a common interface for all stage 3 nodes
homedirectory
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cf2ec7b
#2788 Replace Object by INode3 in stage 3 visitors
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589416b
#2788 Improve exception message upon reaching defaultValue
homedirectory
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4fa8815
#2788 Improve documentation
homedirectory
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4cfd750
#2788 Ensure all stage 3 nodes are unique Java objects
homedirectory
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0960e2a
#2788 Refactor OrderBy3 into a sealed type: operand and yield
homedirectory
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38d9076
#2788 Refactor Prop3 to remove the reference to ISource3
homedirectory
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f4e81e2

Commits on Jul 24, 2026

#2788 Ensure that stage 3 query components are never null
homedirectory
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2f9adfa