alex-eg
6f54bfbe08
The type IR, unification with the unknown type, constraints and schemes, built and tested on its own. Nothing calls it yet.
45 lines
943 B
Scheme
45 lines
943 B
Scheme
(module infer
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(;; The IR
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tvar?
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tvar-id
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tvar-classes
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tvar-rigid?
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fresh-tvar
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fresh-rigid-tvar
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prim-type? prim-name prim-quals make-prim
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ptr-type? ptr-target ptr-quals make-ptr
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array-type? array-elt array-size make-array-type
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fn-type? fn-ret fn-args fn-variadic? make-fn-type
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agg-type? agg-kind agg-name agg-spelling agg-quals make-agg
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alias-type? alias-name alias-expansion alias-quals make-alias
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unknown-type? the-unknown-type
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resolve
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underlying
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type-quals
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free-tvars
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decay
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;; The boundary
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parse-type
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unparse-type
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;; Constraints
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register-class!
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add-instance!
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entails?
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default-tvar!
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default-type-variables!
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;; Unification
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unify
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;; Type schemes
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scheme? scheme-vars scheme-constraints scheme-type
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make-scheme
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generalize
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instantiate
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substitute)
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"../infer.scm")
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