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feat(traits): Type checking for Trait impl method signatures #2652

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merged 12 commits into from
Sep 19, 2023
Merged

feat(traits): Type checking for Trait impl method signatures #2652

merged 12 commits into from
Sep 19, 2023

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alexvitkov
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@alexvitkov alexvitkov commented Sep 12, 2023 •
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Description

Summary

This is further work on traits (#2568).

  1. Moved Trait-related HIR structs out of (hir_def/types.rs) into a new file (hir_def/traits.rs). This is mostly why the PR looks pretty big
  2. Added signature checking for methods in an impl block - They must have a corresponding method in the Trait with matching parameters & return type.
  3. To handle typechecking for Self, a type variable is added in the Trait struct, which has to get bound to the concrete self type before we do the signature check mentioned above

Documentation

  • This PR requires documentation updates when merged.

    • I will submit a noir-lang/docs PR.
    • I will request for and support Dev Rel's help in documenting this PR.

Additional Context

PR Checklist*

  • I have tested the changes locally.
  • I have formatted the changes with Prettier and/or cargo fmt on default settings.

@alexvitkov alexvitkov changed the title Traits impl methods typecheck feat(traits): Type checking for Trait impl method signatures Sep 12, 2023
This was referenced Sep 15, 2023
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jfecher
jfecher reviewed Sep 18, 2023
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Looks mostly good. Can you move the type checking portion to the type checking pass rather than include it during name resolution?

compiler/noirc_frontend/src/ast/expression.rs Outdated Show resolved Hide resolved
compiler/noirc_frontend/src/hir/def_collector/dc_crate.rs Show resolved Hide resolved
compiler/noirc_frontend/src/hir/def_collector/dc_crate.rs Show resolved Hide resolved
compiler/noirc_frontend/src/hir/def_collector/dc_mod.rs Outdated Show resolved Hide resolved
compiler/noirc_frontend/src/hir/def_collector/dc_mod.rs Show resolved Hide resolved
compiler/noirc_frontend/src/hir/resolution/resolver.rs Outdated Show resolved Hide resolved
tooling/nargo_cli/tests/compile_failure/dup_trait_implementation/src/main.nr Show resolved Hide resolved
jfecher
jfecher approved these changes Sep 19, 2023
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We can save moving the type checking to a later PR when it is easier to do so, as you mentioned. 👍

@jfecher jfecher added this pull request to the merge queue Sep 19, 2023
Merged via the queue into noir-lang:master with commit 8617008 Sep 19, 2023
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@kevaundray kevaundray mentioned this pull request Sep 19, 2023
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TomAFrench added a commit that referenced this pull request Sep 20, 2023
@TomAFrench
Merge branch 'master' into tf/use-setup-node
b637e08 
* master:
  feat(traits): Type checking for Trait impl method signatures  (#2652)
  chore: split 9_conditional test case and remove 8_integration (#2751)
  chore(github): Add "Idea Action Plan" Issue template (#2736)
  feat(aztec-noir): abstract storage (#2750)
  feat: signed arithmetic (#2748)
  chore: encapsulate abstraction leaks from `bb` into new crate (#2747)
  feat: Variable liveness analysis for brillig (#2715)
  chore: noirjs integration testing (#2744)
  chore: Add rust-toolchain file & adapt nix for changes (#2686)
  chore: wrap backend info response in a struct instead of boxed closure (#2737)
  fix: check for literal overflows in expressions (#2742)
  fix: nightly js test (#2740)
  fix: keep the correct type for bitshift (#2739)
  chore: Make new daily nightly releases be pre-releases and non latest (#2735)
  chore: disabling display location section  (#2118)
  chore: add a workflow that tracks acvm version for integration tests (#2700)
  feat: Save nightly build in github releases with date tags (#2416)
  chore: Add unified linting setup for JS code and enforce in CI (#2728)
@nickysn nickysn mentioned this pull request Sep 21, 2023
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@alexvitkov @jfecher @ymadzhunkov