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Quoted atoms with uppercase- or underscore-leading names were
misclassified as variables. `p('Hello World').` flowed through the
tokenizer's "atom" branch and through the parser's string->symbol,
producing a symbol named "Hello World". dl-var? inspects the first
character — "H" is uppercase, so the fact was rejected as non-ground
("expected ground literal").
Tokenizer now emits "string" for any '...' quoted form. Quoted atoms
become opaque string constants — matching how Datalog idiomatically
treats them, and avoiding a per-symbol "quoted" marker that would
have rippled through unification and dl-var?. The trade-off is that
'a' and a are no longer the same value (string vs symbol); for
Datalog this is the safer default.
Updated the existing "quoted atom" tokenize test, added a regression
case for an uppercase-named quoted atom, and a parse-level test that
verifies the AST. Conformance 269/269.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
21 lines
775 B
JSON
21 lines
775 B
JSON
{
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"lang": "datalog",
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"total_passed": 269,
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"total_failed": 0,
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"total": 269,
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"suites": [
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{"name":"tokenize","passed":31,"failed":0,"total":31},
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{"name":"parse","passed":23,"failed":0,"total":23},
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{"name":"unify","passed":29,"failed":0,"total":29},
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{"name":"eval","passed":40,"failed":0,"total":40},
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{"name":"builtins","passed":26,"failed":0,"total":26},
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{"name":"semi_naive","passed":8,"failed":0,"total":8},
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{"name":"negation","passed":10,"failed":0,"total":10},
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{"name":"aggregates","passed":23,"failed":0,"total":23},
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{"name":"api","passed":22,"failed":0,"total":22},
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{"name":"magic","passed":36,"failed":0,"total":36},
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{"name":"demo","passed":21,"failed":0,"total":21}
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],
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"generated": "2026-05-11T08:39:03+00:00"
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}
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