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11 Commits

Author SHA1 Message Date
Slava Pestov
5e30f6a4c3 AST: Optimize ModuleDecl::isImportedAsWeakLinked() 2024-07-12 15:53:58 -04:00
Alexis Laferrière
94cd52cc2c Sema: Intro import cache services for Swift only reexported imports 2023-12-20 15:34:14 -08:00
Josh Soref
81d3ad76ac Spelling ast (#42463) 
* spelling: accessor

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* spelling: accommodates

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* spelling: bookkeeping

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* spelling: clazz

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* spelling: concatenated

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* spelling: conformance

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* spelling: context

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* spelling: conversion

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* spelling: correspondence

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* spelling: declarations

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* spelling: declared

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* spelling: defining

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* spelling: delayed

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* spelling: dependency

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* spelling: equitable

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* spelling: evaluation

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* spelling: exclusivity

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* spelling: existence

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* spelling: existential

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* spelling: explicit

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* spelling: expressed

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* spelling: for

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* spelling: foreign

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* spelling: function

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* spelling: identifier

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* spelling: implicit

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* spelling: indices

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* spelling: information

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* spelling: instance

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* spelling: interchangeable

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* spelling: interface

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* spelling: introduced

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* spelling: invalid

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* spelling: kind-in

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* spelling: library

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* spelling: location

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* spelling: namespace

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* spelling: necessary

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* spelling: nonexistent

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* spelling: not

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* spelling: number

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* spelling: obtains

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* spelling: occurs

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* spelling: opaque

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* spelling: overridden

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* spelling: parameter

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* spelling: precede

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* spelling: preceding

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* spelling: property

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* spelling: protocol

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* spelling: qualified

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* spelling: recognized

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* spelling: recursively

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* spelling: references

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* spelling: relaxing

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* spelling: represented

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* spelling: request

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* spelling: requirement

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* spelling: requirements

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* spelling: retrieve

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* spelling: returned

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* spelling: satisfied

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* spelling: satisfy

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* spelling: scanner

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* spelling: siblings

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* spelling: simplified

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* spelling: something

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* spelling: source

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* spelling: specializations

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* spelling: specially

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* spelling: statement

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* spelling: stripped

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* spelling: structure

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* spelling: substitution

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* spelling: the

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* spelling: transform

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* spelling: transformed

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* spelling: transitively

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* spelling: transparent

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* spelling: typecheck

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* spelling: unknown

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* spelling: unlabeled

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* spelling: unqualified

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* spelling: whether

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* spelling: with

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* spelling: scanner

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
 2022-04-21 12:57:16 -07:00
Brent Royal-Gordon
f5be38de69 [NFC] Add ImportSet::dump() + fix module dumpRef 2021-07-21 13:35:27 -07:00
Brent Royal-Gordon
b440ab7331 [NFC] Move several types/functions to Import.h 
To help consolidate our various types describing imports, this commit moves the following types and methods to Import.h:

* ImplicitImports
* ImplicitStdlibKind
* ImplicitImportInfo
* ModuleDecl::ImportedModule
* ModuleDecl::OrderImportedModules (as ImportedModule::Order)
* ModuleDecl::removeDuplicateImports() (as ImportedModule::removeDuplicates())
* SourceFile::ImportFlags
* SourceFile::ImportOptions
* SourceFile::ImportedModuleDesc

This commit is large and intentionally kept mechanical—nothing interesting to see here.
 2020-10-09 18:57:07 -07:00
Brent Royal-Gordon
cff4ddf13a [NFC] Adopt new ImportPath types and terminology 
# Conflicts:
#	lib/IDE/CodeCompletion.cpp
 2020-09-10 19:07:49 -07:00
Robert Widmann
92c8a65f09 Drop references to name binding as a phase 
A lot of places appear to mean "name lookup".  A few places meant "import resolution".
 2020-03-29 18:51:09 -07:00
Slava Pestov
52479cadd5 AST: Fix source break with new shadowing rules 
My recent refactoring of top-level lookup replaced the old
shadowing done as part of top-level lookup with two separate
rules:

- If all paths from the current source file to a module 'B'
  go through a module 'A', then declarations in 'A' shadow
  declarations in 'B'.

- If a declaration in module 'A' was found via a scoped
  import and a declaration with the same name in module 'B'
  was found via an unscoped import, prefer the declaration
  from module 'A'.

However this caused a source break when you have a scenario
like the following:

- A source file imports 'A', 'B', and 'B.Foo'.

- 'A' re-exports 'B'.

- Both 'A' and 'B' define a type named 'Foo'.

The problem is that the scoped import 'B.Foo' can actually
find both 'A.Foo' and 'B.Foo', since 'B' re-exports 'A'.

Furthermore, since the source file explicitly imports 'A',
'B' does not shadow 'A' in the import graph.

As a result neither shadowing rule would eliminate the
ambiguity.

The new rule combines the scoped import check and the
shadowing check by considering all access paths to 'A'
that are not shadowed by 'B'. Using this rule, 'A.Foo'
is only seen via the access path 'A', whereas 'B.Foo'
is seen under both 'B' and 'B.Foo'. Since 'B.Foo' is seen
via a scoped import and 'A.Foo' is only seen via an
unscoped import, we can conclude that 'B.Foo' shadows
'A.Foo'.

Fixes <rdar://problem/55205050>.
 2019-09-12 21:30:43 -04:00
Slava Pestov
2256b1fcc2 AST: Introduce namelookup::getAllImports() to replace forAllVisibleModules() 2019-08-29 15:57:38 -04:00
Slava Pestov
4e8426bb19 AST: ImportSets keep track of whether they contain the ClangImporter's header import module 2019-08-29 15:56:32 -04:00
Slava Pestov
acf5371dfc AST: Introduce a new ImportCache singleton 2019-08-28 16:29:49 -04:00