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a09343e519
Previously, export control (via [exported]) only applied to modules that had been serialized -- anything imported in a TranslationUnit was automatically considered exported. This was done to make life easier when dealing with the main source file, but it turns out we're going to want to load other source files as imports, and export control should work there too. Now, the module iteration methods (Module::forAllVisibleModules, namelookup::lookupInModule, etc.) can consider the module being passed as "top-level", meaning its private imports are visible as well. Otherwise, proper export control is observed even for imported TranslationUnits. This required a number of test changes involving Swift adapter modules that forgot to re-export their Clang modules. Swift SVN r7783
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
//===--- ModuleNameLookup.cpp - Name lookup within a module ----*- c++ -*--===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_AST_MODULENAMELOOKUP_H
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#define SWIFT_AST_MODULENAMELOOKUP_H
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#include "swift/Basic/SourceManager.h"
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#include "swift/AST/NameLookup.h"
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#include "swift/AST/AST.h"
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#include "swift/AST/ASTVisitor.h"
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#include "swift/Basic/Fallthrough.h"
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#include "swift/Basic/STLExtras.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/TinyPtrVector.h"
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namespace swift {
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namespace namelookup {
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/// Controls the behavior of lookupInModule().
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enum class ResolutionKind {
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/// Lookup can match any number of decls, as long as they are all
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/// overloadable.
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///
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/// If non-overloadable decls are returned, this indicates ambiguous lookup.
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Overloadable,
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/// Lookup should match a single decl.
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Exact,
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/// Lookup should match a single decl that declares a type.
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TypesOnly
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};
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/// Performs a lookup into the given module and, if necessary, its
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/// reexports, observing proper shadowing rules.
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///
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/// \param module The module that will contain the name.
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/// \param accessPath The import scope on \p module.
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/// \param name The name to look up.
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/// \param[out] decls Any found decls will be added to this vector.
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/// \param lookupKind Whether this lookup is qualified or unqualified.
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/// \param resolutionKind What sort of decl is expected.
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/// \param topLevel If \p module should be treated as a top-level source file,
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/// e.g. its private imports should be included in the search.
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void lookupInModule(Module *module, Module::AccessPathTy accessPath,
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Identifier name, SmallVectorImpl<ValueDecl *> &decls,
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NLKind lookupKind, ResolutionKind resolutionKind,
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bool topLevel);
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/// Performs a qualified lookup into the given module and, if necessary, its
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/// reexports, observing proper shadowing rules.
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void lookupVisibleDeclsInModule(Module *module, Module::AccessPathTy accessPath,
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SmallVectorImpl<ValueDecl *> &decls,
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NLKind lookupKind,
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ResolutionKind resolutionKind);
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} // end namespace namelookup
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} // end namespace swift
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#endif
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