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444b2970a1
Indexes allow associating extra data with nodes in the AST using an array and then quickly looking up the array to fetch the extra data. - Index eidx for expressions - Index sidx for statements - Index qidx for queries. AST nodes are not cloneable. Therefore once a module is created, it is not possible to accidentally create two nodes with the same index inadvertently via clone. Also added IndexChecker in debug builds. When a module is parsed, it will assert that indexes have been constructed correctly. AST Cleanup - Make literal expressions (null, val, number, string etc) also structs to match all other expressions - Merge True and False nodes into a single Bool node. Also update dependencies. Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>
79 lines
2.1 KiB
YAML
79 lines
2.1 KiB
YAML
# Copyright (c) Microsoft Corporation.
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# Licensed under the MIT License.
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cases:
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- note: basic
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rego: |
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package test
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import future.keywords.in
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x = 5 in [4, 5]
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# in-exprs are left associative and ahve lower-precedence than bin-expr.
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# The following will be parsed as
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# (5 in [4, 5]) in (set() | {true})
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z = 5 in [4, 5] in set() | {true}
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num_expressions: 21
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num_statements: 0
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num_queries: 0
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policy:
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- spec:
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head:
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compr:
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refr:
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var: x
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eidx: 4
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assign:
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op: "="
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value:
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inexpr:
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value:
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number: 5
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eidx: 5
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collection:
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array:
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- number: 4
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eidx: 6
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- number: 5
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eidx: 7
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eidx: 8
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eidx: 9
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bodies: []
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- spec:
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head:
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compr:
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refr:
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var: z
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eidx: 10
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assign:
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op: "="
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value:
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inexpr:
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value:
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inexpr:
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value:
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number: 5
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eidx: 11
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collection:
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array:
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- number: 4
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eidx: 12
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- number: 5
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eidx: 13
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eidx: 14
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eidx: 15
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collection:
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binexpr:
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op: "|"
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lhs:
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set: []
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eidx: 16
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rhs:
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set:
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- bool: true
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eidx: 17
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eidx: 18
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eidx: 19
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eidx: 20
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bodies: []
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