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6bc0de94a2
[CodeCompletion] Make ExpectedTypeContext a class with explicit getters/setters This simplifies debugging because you can break when the possible types are set and you can also search for references to `setPossibleType` to figure out where the expected types are being set.
1352 lines
46 KiB
C++
1352 lines
46 KiB
C++
//===--- CodeCompletion.h - Routines for code completion --------*- 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 - 2017 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 https://swift.org/LICENSE.txt for license information
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// See https://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_IDE_CODECOMPLETION_H
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#define SWIFT_IDE_CODECOMPLETION_H
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#include "CodeCompletionResultType.h"
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#include "swift/AST/Identifier.h"
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#include "swift/Basic/Debug.h"
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#include "swift/Basic/LLVM.h"
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#include "swift/Basic/OptionSet.h"
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#include "swift/Frontend/Frontend.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Allocator.h"
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#include "llvm/Support/TrailingObjects.h"
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#include <functional>
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#include <memory>
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#include <string>
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#include <vector>
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namespace swift {
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class CodeCompletionCallbacksFactory;
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class Decl;
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class DeclContext;
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class FrontendOptions;
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class ModuleDecl;
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class SourceFile;
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namespace ide {
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class CodeCompletionCache;
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class CodeCompletionContext;
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class CodeCompletionResultBuilder;
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struct CodeCompletionResultSink;
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struct RequestedCachedModule;
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/// A routine to remove code completion tokens from code completion
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/// tests.
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///
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/// \code
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/// code-completion-token:
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/// '#^' identifier '^#'
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/// \endcode
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///
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/// \param Input test source code.
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/// \param TokenName names the token whose position should be returned in
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/// \p CompletionOffset.
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/// \param CompletionOffset set to ~0U on error, or to a 0-based byte offset on
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/// success.
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///
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/// \returns test source code without any code completion tokens.
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std::string removeCodeCompletionTokens(StringRef Input,
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StringRef TokenName,
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unsigned *CompletionOffset);
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StringRef copyString(llvm::BumpPtrAllocator &Allocator,
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StringRef Str);
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const char *copyCString(llvm::BumpPtrAllocator &Allocator,
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StringRef Str);
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template <typename T>
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ArrayRef<T> copyArray(llvm::BumpPtrAllocator &Allocator,
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ArrayRef<T> Arr) {
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T *Buffer = Allocator.Allocate<T>(Arr.size());
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std::copy(Arr.begin(), Arr.end(), Buffer);
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return llvm::makeArrayRef(Buffer, Arr.size());
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}
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namespace detail {
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class CodeCompletionStringChunk {
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friend class swift::ide::CodeCompletionResultBuilder;
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public:
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enum class ChunkKind {
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/// "open", "public", "internal", "fileprivate", or "private".
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AccessControlKeyword,
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/// such as @"available".
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DeclAttrKeyword,
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/// such as "unavailable" etc. for @available.
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DeclAttrParamKeyword,
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/// The "override" keyword.
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OverrideKeyword,
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/// The "throws", "rethrows" and "async" keyword.
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EffectsSpecifierKeyword,
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/// The keyword part of a declaration before the name, like "func".
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DeclIntroducer,
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/// Other generic keyword.
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Keyword,
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/// Other generic attributes.
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Attribute,
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/// Normal text chunk.
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Text,
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/// Base name of the result.
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BaseName,
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/// The first chunk of an optional substring that continues until
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/// \c NestingLevel decreases.
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OptionalBegin,
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/// Punctuation.
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LeftParen,
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RightParen,
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LeftBracket,
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RightBracket,
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LeftAngle,
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RightAngle,
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Dot,
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Ellipsis,
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Comma,
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ExclamationMark,
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QuestionMark,
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Ampersand,
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Equal,
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Whitespace,
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/// The first chunk of a whole generic parameter clause.
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/// E.g '<T, C: Collection>'
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GenericParameterClauseBegin,
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/// The first chunk of a generic quirement clause.
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/// E.g. 'where T: Collection, T.Element == Int'
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GenericRequirementClauseBegin,
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/// The first chunk of a substring that describes the parameter for a
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/// generic type.
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GenericParameterBegin,
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/// Generic type parameter name.
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GenericParameterName,
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/// The first chunk of a substring that describes the argument for a
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/// function call.
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CallArgumentBegin,
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/// Function call argument label.
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CallArgumentName,
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/// Function parameter internal / local name for an call argument. If the
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/// parameter has no formal API name, it can still have a local name which
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/// can be useful for display purposes.
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///
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/// This chunk should not be inserted into the editor buffer.
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CallArgumentInternalName,
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/// A colon between argument name and value. Should be inserted in the
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/// editor buffer if the preceding CallArgumentName was inserted.
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CallArgumentColon,
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/// A colon between parameter name and value. Used in decl attribute.
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DeclAttrParamColon,
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/// Required argument type.
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CallArgumentType,
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/// Argument type tag for annotated results.
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CallArgumentTypeBegin,
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/// Added if the argument has a default value.
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CallArgumentDefaultBegin,
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/// System type name.
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TypeIdSystem,
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/// Non-system type name.
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TypeIdUser,
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/// Desugared closure argument type. This can be used to get the
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/// closure type if CallArgumentType is a TypeAliasType.
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CallArgumentClosureType,
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/// An expanded closure expression for the value of an argument, including
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/// the left and right braces and possible signature. The preferred
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/// position to put the cursor after the completion result is inserted
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/// into the editor buffer is between the braces.
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CallArgumentClosureExpr,
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/// A placeholder for \c ! or \c ? in a call to a method found by dynamic
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/// lookup.
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///
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/// The default spelling is \c !, but clients may render it as \c ? if
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/// desired.
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DynamicLookupMethodCallTail,
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/// A placeholder for \c ! or \c ? in a call to an optional method.
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///
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/// The default spelling is \c !, but clients may render it as \c ? if
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/// desired.
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OptionalMethodCallTail,
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/// The first chunk of a substring that describes the single parameter
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/// declaration for a parameter clause.
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ParameterDeclBegin,
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ParameterDeclExternalName,
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ParameterDeclLocalName,
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ParameterDeclColon,
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ParameterDeclTypeBegin,
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/// Default argument clause for parameter declarations.
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DefaultArgumentClauseBegin,
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/// First chunk for effect specifiers. i.e. 'async' and 'throws'.
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EffectsSpecifierClauseBegin,
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/// First chunk for result type clause i.e. ' -> ResultTy' or ': ResultTy'.
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DeclResultTypeClauseBegin,
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/// First chunk for attribute and modifier list i.e. 'override public'
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AttributeAndModifierListBegin,
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/// Specifies the type of the whole entity that is returned in this code
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/// completion result. For example, for variable references it is the
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/// variable type, for function calls it is the return type.
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///
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/// This chunk should not be inserted into the editor buffer.
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TypeAnnotation,
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/// Structured group version of 'TypeAnnotation'.
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/// This grouped chunks should not be inserted into the editor buffer.
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TypeAnnotationBegin,
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/// A brace statement -- left brace and right brace. The preferred
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/// position to put the cursor after the completion result is inserted
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/// into the editor buffer is between the braces.
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///
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/// The spelling is always "{}", but clients may choose to insert newline
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/// and indentation in between.
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BraceStmtWithCursor,
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};
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static bool chunkStartsNestedGroup(ChunkKind Kind) {
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return Kind == ChunkKind::CallArgumentBegin ||
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Kind == ChunkKind::GenericParameterBegin ||
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Kind == ChunkKind::OptionalBegin ||
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Kind == ChunkKind::CallArgumentTypeBegin ||
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Kind == ChunkKind::CallArgumentDefaultBegin ||
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Kind == ChunkKind::TypeAnnotationBegin ||
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Kind == ChunkKind::ParameterDeclBegin ||
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Kind == ChunkKind::ParameterDeclTypeBegin ||
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Kind == ChunkKind::DefaultArgumentClauseBegin ||
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Kind == ChunkKind::GenericParameterClauseBegin ||
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Kind == ChunkKind::EffectsSpecifierClauseBegin ||
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Kind == ChunkKind::DeclResultTypeClauseBegin ||
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Kind == ChunkKind::GenericRequirementClauseBegin ||
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Kind == ChunkKind::AttributeAndModifierListBegin;
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}
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static bool chunkHasText(ChunkKind Kind) {
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return Kind == ChunkKind::AccessControlKeyword ||
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Kind == ChunkKind::OverrideKeyword ||
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Kind == ChunkKind::EffectsSpecifierKeyword ||
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Kind == ChunkKind::DeclAttrKeyword ||
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Kind == ChunkKind::DeclIntroducer ||
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Kind == ChunkKind::Keyword ||
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Kind == ChunkKind::Attribute ||
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Kind == ChunkKind::BaseName ||
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Kind == ChunkKind::Text ||
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Kind == ChunkKind::LeftParen ||
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Kind == ChunkKind::RightParen ||
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Kind == ChunkKind::LeftBracket ||
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Kind == ChunkKind::RightBracket ||
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Kind == ChunkKind::LeftAngle ||
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Kind == ChunkKind::RightAngle ||
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Kind == ChunkKind::Dot ||
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Kind == ChunkKind::Ellipsis ||
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Kind == ChunkKind::Comma ||
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Kind == ChunkKind::ExclamationMark ||
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Kind == ChunkKind::QuestionMark ||
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Kind == ChunkKind::Ampersand ||
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Kind == ChunkKind::Equal ||
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Kind == ChunkKind::Whitespace ||
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Kind == ChunkKind::CallArgumentName ||
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Kind == ChunkKind::CallArgumentInternalName ||
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Kind == ChunkKind::CallArgumentColon ||
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Kind == ChunkKind::CallArgumentType ||
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Kind == ChunkKind::CallArgumentClosureType ||
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Kind == ChunkKind::CallArgumentClosureExpr ||
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Kind == ChunkKind::ParameterDeclExternalName ||
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Kind == ChunkKind::ParameterDeclLocalName ||
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Kind == ChunkKind::ParameterDeclColon ||
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Kind == ChunkKind::DeclAttrParamColon ||
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Kind == ChunkKind::DeclAttrParamKeyword ||
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Kind == ChunkKind::GenericParameterName ||
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Kind == ChunkKind::DynamicLookupMethodCallTail ||
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Kind == ChunkKind::OptionalMethodCallTail ||
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Kind == ChunkKind::TypeAnnotation ||
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Kind == ChunkKind::BraceStmtWithCursor ||
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Kind == ChunkKind::TypeIdSystem ||
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Kind == ChunkKind::TypeIdUser;
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}
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private:
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unsigned Kind : 8;
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unsigned NestingLevel : 8;
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/// If true, then this chunk is an annotation that is included only
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/// for exposition and may not be inserted in the editor buffer.
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unsigned IsAnnotation : 1;
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StringRef Text;
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CodeCompletionStringChunk(ChunkKind Kind, unsigned NestingLevel, StringRef Text,
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bool isAnnotation)
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: Kind(unsigned(Kind)), NestingLevel(NestingLevel),
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IsAnnotation(isAnnotation), Text(Text) {
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assert(chunkHasText(Kind));
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}
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CodeCompletionStringChunk(ChunkKind Kind, unsigned NestingLevel,
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bool isAnnotation)
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: Kind(unsigned(Kind)), NestingLevel(NestingLevel),
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IsAnnotation(isAnnotation) {
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assert(!chunkHasText(Kind));
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}
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void setIsAnnotation() {
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IsAnnotation = 1;
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}
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public:
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ChunkKind getKind() const {
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return ChunkKind(Kind);
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}
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bool is(ChunkKind K) const { return getKind() == K; }
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unsigned getNestingLevel() const {
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return NestingLevel;
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}
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bool isAnnotation() const {
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return IsAnnotation;
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}
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bool hasText() const { return chunkHasText(getKind()); }
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StringRef getText() const {
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assert(hasText());
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return Text;
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}
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bool endsPreviousNestedGroup(unsigned GroupNestingLevel) const {
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return NestingLevel < GroupNestingLevel ||
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(NestingLevel == GroupNestingLevel && chunkStartsNestedGroup(getKind()));
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}
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static CodeCompletionStringChunk createWithText(ChunkKind Kind,
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unsigned NestingLevel,
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StringRef Text,
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bool isAnnotation = false) {
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return CodeCompletionStringChunk(Kind, NestingLevel, Text, isAnnotation);
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}
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static CodeCompletionStringChunk createSimple(ChunkKind Kind,
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unsigned NestingLevel,
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bool isAnnotation = false) {
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return CodeCompletionStringChunk(Kind, NestingLevel, isAnnotation);
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}
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};
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} // end namespace detail
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/// A structured representation of a code completion string.
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class alignas(detail::CodeCompletionStringChunk) CodeCompletionString final :
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private llvm::TrailingObjects<CodeCompletionString,
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detail::CodeCompletionStringChunk> {
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friend class CodeCompletionResultBuilder;
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friend TrailingObjects;
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public:
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using Chunk = detail::CodeCompletionStringChunk;
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private:
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unsigned NumChunks : 16;
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CodeCompletionString(ArrayRef<Chunk> Chunks);
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public:
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/// Creates a \c CodeCompletionString from a list of \c Chunks.
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///
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/// \note The caller must ensure any text inside \c Chunks will outlive this
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/// object, typically by storing them inside a \c CodeCompletionResultSink.
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static CodeCompletionString *create(llvm::BumpPtrAllocator &Allocator,
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ArrayRef<Chunk> Chunks);
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ArrayRef<Chunk> getChunks() const {
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return {getTrailingObjects<Chunk>(), NumChunks};
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}
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StringRef getFirstTextChunk(bool includeLeadingPunctuation = false) const;
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Optional<unsigned>
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getFirstTextChunkIndex(bool includeLeadingPunctuation = false) const;
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/// Print a debug representation of the code completion string to \p OS.
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void print(raw_ostream &OS) const;
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SWIFT_DEBUG_DUMP;
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};
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/// Describes the origin of the code completion result.
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///
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/// This enum is ordered from the contexts that are "nearest" to the code
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/// completion point to "outside" contexts.
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enum class SemanticContextKind : uint8_t {
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/// Used in cases when the concept of semantic context is not applicable.
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None,
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/// A declaration from the same function.
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Local,
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/// A declaration found in the immediately enclosing nominal decl.
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CurrentNominal,
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/// A declaration found in the superclass of the immediately enclosing
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/// nominal decl.
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Super,
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/// A declaration found in the non-immediately enclosing nominal decl.
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///
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/// For example, 'Foo' is visible at (1) because of this.
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/// \code
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/// struct A {
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/// typealias Foo = Int
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/// struct B {
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/// func foo() {
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/// // (1)
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/// }
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/// }
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/// }
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/// \endcode
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OutsideNominal,
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/// A declaration from the current module.
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CurrentModule,
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/// A declaration imported from other module.
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OtherModule,
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MAX_VALUE = OtherModule
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};
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enum class CodeCompletionFlairBit: uint8_t {
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/// **Deprecated**. Old style catch-all prioritization.
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ExpressionSpecific = 1 << 0,
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/// E.g. override func foo() { super.foo() ...
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SuperChain = 1 << 1,
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/// Argument label and type. i.e. 'label: <#Ty#>'.
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ArgumentLabels = 1 << 2,
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/// E.g. decl introducer or modifiers ('enum', 'protocol', 'public', etc.) at
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/// top-level.
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CommonKeywordAtCurrentPosition = 1 << 3,
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/// E.g. type decl introducer ('enum', 'class', etc.) in a function body.
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RareKeywordAtCurrentPosition = 1 << 4,
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/// E.g. protocol names at an expression position.
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RareTypeAtCurrentPosition = 1 << 5,
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/// E.g. referencing a type, function, etc… at top level position in a non
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/// script/main.swift file
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ExpressionAtNonScriptOrMainFileScope = 1 << 6,
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};
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using CodeCompletionFlair = OptionSet<CodeCompletionFlairBit>;
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/// The declaration kind of a code completion result, if it is a declaration.
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enum class CodeCompletionDeclKind : uint8_t {
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Module,
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Class,
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Struct,
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Enum,
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EnumElement,
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Protocol,
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AssociatedType,
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TypeAlias,
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GenericTypeParam,
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Constructor,
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Destructor,
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Subscript,
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StaticMethod,
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InstanceMethod,
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PrefixOperatorFunction,
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PostfixOperatorFunction,
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InfixOperatorFunction,
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FreeFunction,
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StaticVar,
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InstanceVar,
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LocalVar,
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GlobalVar,
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PrecedenceGroup,
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};
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enum class CodeCompletionLiteralKind : uint8_t {
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ArrayLiteral,
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BooleanLiteral,
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ColorLiteral,
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DictionaryLiteral,
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IntegerLiteral,
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ImageLiteral,
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NilLiteral,
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StringLiteral,
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Tuple,
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};
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enum class CodeCompletionOperatorKind : uint8_t {
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None,
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Unknown,
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Bang, // !
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NotEq, // !=
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NotEqEq, // !==
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Modulo, // %
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ModuloEq, // %=
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Amp, // &
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AmpAmp, // &&
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AmpStar, // &*
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AmpPlus, // &+
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AmpMinus, // &-
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AmpEq, // &=
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LParen, // ( -- not really an operator, but treated as one in some cases.
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Star, // *
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StarEq, // *=
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Plus, // +
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PlusEq, // +=
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Minus, // -
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MinusEq, // -=
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Dot, // .
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DotDotDot, // ...
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DotDotLess, // ..<
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Slash, // /
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SlashEq, // /=
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Less, // <
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LessLess, // <<
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LessLessEq, // <<=
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LessEq, // <=
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Eq, // =
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EqEq, // ==
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EqEqEq, // ===
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Greater, // >
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GreaterEq, // >=
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GreaterGreater, // >>
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GreaterGreaterEq, // >>=
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QuestionDot, // ?.
|
|
Caret, // ^
|
|
CaretEq, // ^=
|
|
Pipe, // |
|
|
PipeEq, // |=
|
|
PipePipe, // ||
|
|
TildeEq, // ~=
|
|
|
|
MAX_VALUE = TildeEq
|
|
};
|
|
|
|
enum class CodeCompletionKeywordKind : uint8_t {
|
|
None,
|
|
#define KEYWORD(X) kw_##X,
|
|
#define POUND_KEYWORD(X) pound_##X,
|
|
#include "swift/Syntax/TokenKinds.def"
|
|
};
|
|
|
|
enum class CompletionKind : uint8_t {
|
|
None,
|
|
Import,
|
|
UnresolvedMember,
|
|
DotExpr,
|
|
StmtOrExpr,
|
|
PostfixExprBeginning,
|
|
PostfixExpr,
|
|
PostfixExprParen,
|
|
KeyPathExprObjC,
|
|
KeyPathExprSwift,
|
|
TypeDeclResultBeginning,
|
|
TypeSimpleBeginning,
|
|
TypeIdentifierWithDot,
|
|
TypeIdentifierWithoutDot,
|
|
CaseStmtKeyword,
|
|
CaseStmtBeginning,
|
|
NominalMemberBeginning,
|
|
AccessorBeginning,
|
|
AttributeBegin,
|
|
AttributeDeclParen,
|
|
EffectsSpecifier,
|
|
PoundAvailablePlatform,
|
|
CallArg,
|
|
LabeledTrailingClosure,
|
|
ReturnStmtExpr,
|
|
YieldStmtExpr,
|
|
ForEachSequence,
|
|
AfterPoundExpr,
|
|
AfterPoundDirective,
|
|
PlatformConditon,
|
|
AfterIfStmtElse,
|
|
GenericRequirement,
|
|
PrecedenceGroup,
|
|
StmtLabel,
|
|
ForEachPatternBeginning,
|
|
TypeAttrBeginning,
|
|
};
|
|
|
|
enum class CodeCompletionDiagnosticSeverity : uint8_t {
|
|
None,
|
|
Error,
|
|
Warning,
|
|
Remark,
|
|
Note,
|
|
|
|
MAX_VALUE = Note
|
|
};
|
|
|
|
/// Reasons why a code completion item might not be recommended in a certain
|
|
/// context.
|
|
/// This enum is split into two subsets: \c ContextFreeNotRecommendedReason and
|
|
/// \c ContextualNotRecommendedReason. When adding a case to this enum also add
|
|
/// it to either of those.
|
|
/// Context-free diagnostics are independent of the context they are used in.
|
|
/// The not-recommended reason can thus be cached as part of a context free
|
|
/// code completion result.
|
|
/// Contextual not recommended reasons depend on the context they are used in.
|
|
/// E.g. \c InvalidAsyncContext depends on whether the usage context is async or
|
|
/// not.
|
|
enum class NotRecommendedReason : uint8_t {
|
|
None = 0, // both contextual and context-free
|
|
RedundantImport, // contextual
|
|
RedundantImportIndirect, // contextual
|
|
Deprecated, // context-free
|
|
SoftDeprecated, // context-free
|
|
InvalidAsyncContext, // contextual
|
|
CrossActorReference, // contextual
|
|
VariableUsedInOwnDefinition, // contextual
|
|
|
|
MAX_VALUE = VariableUsedInOwnDefinition
|
|
};
|
|
|
|
/// TODO: We consider deprecation warnings as context free although they don't
|
|
/// produce deprecation warnings insdide context that have the same or a
|
|
/// stronger deprecation attribute.
|
|
/// E.g.
|
|
/// In SDK:
|
|
/// \code
|
|
/// @available(iOS, deprecated: 12.0)
|
|
/// func deprecatedFunc()
|
|
/// \endcode
|
|
///
|
|
/// User code:
|
|
/// \code
|
|
/// @available(iOS, deprecated: 12.0)
|
|
/// func insiderUserDeprecatedContext() {
|
|
/// #^COMPLETE^#
|
|
/// }
|
|
/// \endcode
|
|
/// suggests \c deprecatedFunc as deprecated although it doesn't produce a
|
|
/// diagnostic during compilation. But this allows us to show deprecation
|
|
/// warnings for cached results.
|
|
enum class ContextFreeNotRecommendedReason : uint8_t {
|
|
None = 0,
|
|
Deprecated,
|
|
SoftDeprecated,
|
|
MAX_VALUE = SoftDeprecated
|
|
};
|
|
|
|
enum class ContextualNotRecommendedReason : uint8_t {
|
|
None = 0,
|
|
RedundantImport,
|
|
RedundantImportIndirect,
|
|
InvalidAsyncContext,
|
|
CrossActorReference,
|
|
VariableUsedInOwnDefinition,
|
|
MAX_VALUE = VariableUsedInOwnDefinition
|
|
};
|
|
|
|
enum class CodeCompletionResultKind : uint8_t {
|
|
Declaration,
|
|
Keyword,
|
|
Pattern,
|
|
Literal,
|
|
BuiltinOperator,
|
|
|
|
MAX_VALUE = BuiltinOperator
|
|
};
|
|
|
|
/// The parts of a \c CodeCompletionResult that are not dependent on the context
|
|
/// it appears in and can thus be cached.
|
|
class ContextFreeCodeCompletionResult {
|
|
CodeCompletionResultKind Kind : 3;
|
|
static_assert(int(CodeCompletionResultKind::MAX_VALUE) < 1 << 3, "");
|
|
|
|
union {
|
|
CodeCompletionDeclKind Decl;
|
|
CodeCompletionLiteralKind Literal;
|
|
CodeCompletionKeywordKind Keyword;
|
|
uint8_t Opaque;
|
|
} AssociatedKind;
|
|
static_assert(sizeof(AssociatedKind) == sizeof(AssociatedKind.Opaque),
|
|
"Opaque should cover all bits");
|
|
|
|
CodeCompletionOperatorKind KnownOperatorKind : 6;
|
|
static_assert(int(CodeCompletionOperatorKind::MAX_VALUE) < 1 << 6, "");
|
|
|
|
bool IsSystem : 1;
|
|
CodeCompletionString *CompletionString;
|
|
StringRef ModuleName;
|
|
StringRef BriefDocComment;
|
|
ArrayRef<StringRef> AssociatedUSRs;
|
|
CodeCompletionResultType ResultType;
|
|
|
|
ContextFreeNotRecommendedReason NotRecommended : 3;
|
|
static_assert(int(ContextFreeNotRecommendedReason::MAX_VALUE) < 1 << 3, "");
|
|
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity : 3;
|
|
static_assert(int(CodeCompletionDiagnosticSeverity::MAX_VALUE) < 1 << 3, "");
|
|
|
|
StringRef DiagnosticMessage;
|
|
|
|
public:
|
|
/// Memberwise initializer. \p AssociatedKInd is opaque and will be
|
|
/// interpreted based on \p Kind. If \p KnownOperatorKind is \c None and the
|
|
/// completion item is an operator, it will be determined based on the
|
|
/// compleiton string.
|
|
///
|
|
/// \note The caller must ensure that the \p CompleitonString and all the
|
|
/// \c Ref types outlive this result, typically by storing them in the same
|
|
/// \c CodeCompletionResultSink as the result itself.
|
|
ContextFreeCodeCompletionResult(
|
|
CodeCompletionResultKind Kind, uint8_t AssociatedKind,
|
|
CodeCompletionOperatorKind KnownOperatorKind, bool IsSystem,
|
|
CodeCompletionString *CompletionString, StringRef ModuleName,
|
|
StringRef BriefDocComment, ArrayRef<StringRef> AssociatedUSRs,
|
|
CodeCompletionResultType ResultType,
|
|
ContextFreeNotRecommendedReason NotRecommended,
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity,
|
|
StringRef DiagnosticMessage)
|
|
: Kind(Kind), KnownOperatorKind(KnownOperatorKind), IsSystem(IsSystem),
|
|
CompletionString(CompletionString), ModuleName(ModuleName),
|
|
BriefDocComment(BriefDocComment), AssociatedUSRs(AssociatedUSRs),
|
|
ResultType(ResultType), NotRecommended(NotRecommended),
|
|
DiagnosticSeverity(DiagnosticSeverity),
|
|
DiagnosticMessage(DiagnosticMessage) {
|
|
this->AssociatedKind.Opaque = AssociatedKind;
|
|
assert((NotRecommended == ContextFreeNotRecommendedReason::None) ==
|
|
(DiagnosticSeverity == CodeCompletionDiagnosticSeverity::None) &&
|
|
"Result should be not recommended iff it has a diagnostic");
|
|
assert((DiagnosticSeverity == CodeCompletionDiagnosticSeverity::None) ==
|
|
DiagnosticMessage.empty() &&
|
|
"Completion item should have diagnostic message iff the diagnostics "
|
|
"severity is not none");
|
|
assert(CompletionString && "Result should have a completion string");
|
|
if (isOperator() && KnownOperatorKind == CodeCompletionOperatorKind::None) {
|
|
this->KnownOperatorKind = getCodeCompletionOperatorKind(CompletionString);
|
|
}
|
|
assert(!isOperator() ||
|
|
getKnownOperatorKind() != CodeCompletionOperatorKind::None &&
|
|
"isOperator implies operator kind != None");
|
|
}
|
|
|
|
/// Constructs a \c Pattern, \c Keyword or \c BuiltinOperator result.
|
|
///
|
|
/// \note The caller must ensure that the \p CompletionString and \c
|
|
/// StringRefs outlive this result, typically by storing them in the same
|
|
/// \c CodeCompletionResultSink as the result itself.
|
|
ContextFreeCodeCompletionResult(
|
|
CodeCompletionResultKind Kind, CodeCompletionString *CompletionString,
|
|
CodeCompletionOperatorKind KnownOperatorKind, StringRef BriefDocComment,
|
|
CodeCompletionResultType ResultType,
|
|
ContextFreeNotRecommendedReason NotRecommended,
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity,
|
|
StringRef DiagnosticMessage)
|
|
: ContextFreeCodeCompletionResult(
|
|
Kind, /*AssociatedKind=*/0, KnownOperatorKind,
|
|
/*IsSystem=*/false, CompletionString, /*ModuleName=*/"",
|
|
BriefDocComment, /*AssociatedUSRs=*/{}, ResultType, NotRecommended,
|
|
DiagnosticSeverity, DiagnosticMessage) {}
|
|
|
|
/// Constructs a \c Keyword result.
|
|
///
|
|
/// \note The caller must ensure that the \p CompletionString and
|
|
/// \p BriefDocComment outlive this result, typically by storing them in the
|
|
/// same \c CodeCompletionResultSink as the result itself.
|
|
ContextFreeCodeCompletionResult(CodeCompletionKeywordKind Kind,
|
|
CodeCompletionString *CompletionString,
|
|
StringRef BriefDocComment,
|
|
CodeCompletionResultType ResultType)
|
|
: ContextFreeCodeCompletionResult(
|
|
CodeCompletionResultKind::Keyword, static_cast<uint8_t>(Kind),
|
|
CodeCompletionOperatorKind::None, /*IsSystem=*/false,
|
|
CompletionString, /*ModuleName=*/"", BriefDocComment,
|
|
/*AssociatedUSRs=*/{}, ResultType,
|
|
ContextFreeNotRecommendedReason::None,
|
|
CodeCompletionDiagnosticSeverity::None, /*DiagnosticMessage=*/"") {}
|
|
|
|
/// Constructs a \c Literal result.
|
|
///
|
|
/// \note The caller must ensure that the \p CompletionString outlives this
|
|
/// result, typically by storing them in the same \c CodeCompletionResultSink
|
|
/// as the result itself.
|
|
ContextFreeCodeCompletionResult(CodeCompletionLiteralKind LiteralKind,
|
|
CodeCompletionString *CompletionString,
|
|
CodeCompletionResultType ResultType)
|
|
: ContextFreeCodeCompletionResult(
|
|
CodeCompletionResultKind::Literal,
|
|
static_cast<uint8_t>(LiteralKind), CodeCompletionOperatorKind::None,
|
|
/*IsSystem=*/false, CompletionString, /*ModuleName=*/"",
|
|
/*BriefDocComment=*/"",
|
|
/*AssociatedUSRs=*/{}, ResultType,
|
|
ContextFreeNotRecommendedReason::None,
|
|
CodeCompletionDiagnosticSeverity::None, /*DiagnosticMessage=*/"") {}
|
|
|
|
/// Constructs a \c Declaration result.
|
|
///
|
|
/// \note The caller must ensure that the \p CompletionString and all
|
|
/// \c StringRefs outlive this result, typically by storing them in the same
|
|
/// \c CodeCompletionResultSink as the result itself.
|
|
ContextFreeCodeCompletionResult(
|
|
CodeCompletionString *CompletionString, const Decl *AssociatedDecl,
|
|
StringRef ModuleName, StringRef BriefDocComment,
|
|
ArrayRef<StringRef> AssociatedUSRs, CodeCompletionResultType ResultType,
|
|
ContextFreeNotRecommendedReason NotRecommended,
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity,
|
|
StringRef DiagnosticMessage)
|
|
: ContextFreeCodeCompletionResult(
|
|
CodeCompletionResultKind::Declaration,
|
|
static_cast<uint8_t>(getCodeCompletionDeclKind(AssociatedDecl)),
|
|
CodeCompletionOperatorKind::None, getDeclIsSystem(AssociatedDecl),
|
|
CompletionString, ModuleName, BriefDocComment, AssociatedUSRs,
|
|
ResultType, NotRecommended, DiagnosticSeverity, DiagnosticMessage) {
|
|
assert(AssociatedDecl && "should have a decl");
|
|
}
|
|
|
|
CodeCompletionResultKind getKind() const { return Kind; }
|
|
|
|
/// Returns the raw associated kind which will be interpreted differently
|
|
/// depending on the completion item's kind.
|
|
uint8_t getOpaqueAssociatedKind() const { return AssociatedKind.Opaque; }
|
|
|
|
CodeCompletionDeclKind getAssociatedDeclKind() const {
|
|
assert(getKind() == CodeCompletionResultKind::Declaration);
|
|
return AssociatedKind.Decl;
|
|
}
|
|
CodeCompletionLiteralKind getLiteralKind() const {
|
|
assert(getKind() == CodeCompletionResultKind::Literal);
|
|
return AssociatedKind.Literal;
|
|
}
|
|
CodeCompletionKeywordKind getKeywordKind() const {
|
|
assert(getKind() == CodeCompletionResultKind::Keyword);
|
|
return AssociatedKind.Keyword;
|
|
}
|
|
|
|
CodeCompletionOperatorKind getKnownOperatorKind() const {
|
|
assert(isOperator());
|
|
return KnownOperatorKind;
|
|
}
|
|
|
|
bool isSystem() const { return IsSystem; };
|
|
|
|
CodeCompletionString *getCompletionString() const { return CompletionString; }
|
|
|
|
StringRef getModuleName() const { return ModuleName; }
|
|
|
|
StringRef getBriefDocComment() const { return BriefDocComment; }
|
|
|
|
ArrayRef<StringRef> getAssociatedUSRs() const { return AssociatedUSRs; }
|
|
|
|
const CodeCompletionResultType &getResultType() const { return ResultType; }
|
|
|
|
ContextFreeNotRecommendedReason getNotRecommendedReason() const {
|
|
return NotRecommended;
|
|
}
|
|
|
|
CodeCompletionDiagnosticSeverity getDiagnosticSeverity() const {
|
|
return DiagnosticSeverity;
|
|
}
|
|
StringRef getDiagnosticMessage() const { return DiagnosticMessage; };
|
|
|
|
bool isOperator() const {
|
|
if (getKind() == CodeCompletionResultKind::Declaration) {
|
|
switch (getAssociatedDeclKind()) {
|
|
case CodeCompletionDeclKind::PrefixOperatorFunction:
|
|
case CodeCompletionDeclKind::PostfixOperatorFunction:
|
|
case CodeCompletionDeclKind::InfixOperatorFunction:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
} else {
|
|
return getKind() == CodeCompletionResultKind::BuiltinOperator;
|
|
}
|
|
}
|
|
|
|
/// Helper methods used during initialization of
|
|
/// \c ContextFreeCodeCompletionResult.
|
|
static CodeCompletionOperatorKind
|
|
getCodeCompletionOperatorKind(const CodeCompletionString *str);
|
|
static CodeCompletionDeclKind getCodeCompletionDeclKind(const Decl *D);
|
|
static bool getDeclIsSystem(const Decl *D);
|
|
};
|
|
|
|
/// A single code completion result enriched with information that depend on
|
|
/// the completion's usage context.
|
|
class CodeCompletionResult {
|
|
const ContextFreeCodeCompletionResult &ContextFree;
|
|
SemanticContextKind SemanticContext : 3;
|
|
static_assert(int(SemanticContextKind::MAX_VALUE) < 1 << 3, "");
|
|
|
|
unsigned char Flair : 8;
|
|
|
|
/// Contextual diagnostics. If the contextual not recommended reason is
|
|
/// \c None, then the context free diagnostic will be shown to the user.
|
|
ContextualNotRecommendedReason NotRecommended : 4;
|
|
static_assert(int(ContextualNotRecommendedReason::MAX_VALUE) < 1 << 4, "");
|
|
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity : 3;
|
|
static_assert(int(CodeCompletionDiagnosticSeverity::MAX_VALUE) < 1 << 3, "");
|
|
|
|
StringRef DiagnosticMessage;
|
|
|
|
/// The number of bytes to the left of the code completion point that
|
|
/// should be erased first if this completion string is inserted in the
|
|
/// editor buffer.
|
|
unsigned NumBytesToErase : 7;
|
|
|
|
public:
|
|
static const unsigned MaxNumBytesToErase = 127;
|
|
|
|
private:
|
|
CodeCompletionResultTypeRelation TypeDistance : 3;
|
|
static_assert(int(CodeCompletionResultTypeRelation::MAX_VALUE) < 1 << 3, "");
|
|
|
|
/// Memberwise initializer
|
|
/// The \c ContextFree result must outlive this result. Typically, this is
|
|
/// done by allocating the two in the same sink or adopting the context free
|
|
/// sink in the sink that allocates this result.
|
|
CodeCompletionResult(const ContextFreeCodeCompletionResult &ContextFree,
|
|
SemanticContextKind SemanticContext,
|
|
CodeCompletionFlair Flair, uint8_t NumBytesToErase,
|
|
CodeCompletionResultTypeRelation TypeDistance,
|
|
ContextualNotRecommendedReason NotRecommended,
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity,
|
|
StringRef DiagnosticMessage)
|
|
: ContextFree(ContextFree), SemanticContext(SemanticContext),
|
|
Flair(Flair.toRaw()), NotRecommended(NotRecommended),
|
|
DiagnosticSeverity(DiagnosticSeverity),
|
|
DiagnosticMessage(DiagnosticMessage), NumBytesToErase(NumBytesToErase),
|
|
TypeDistance(TypeDistance) {}
|
|
|
|
public:
|
|
/// Enrich a \c ContextFreeCodeCompletionResult with the following contextual
|
|
/// information.
|
|
/// This computes the type relation between the completion item and its
|
|
/// expected type context.
|
|
/// The \c ContextFree result must outlive this result. Typically, this is
|
|
/// done by allocating the two in the same sink or adopting the context free
|
|
/// sink in the sink that allocates this result.
|
|
CodeCompletionResult(const ContextFreeCodeCompletionResult &ContextFree,
|
|
SemanticContextKind SemanticContext,
|
|
CodeCompletionFlair Flair, uint8_t NumBytesToErase,
|
|
const ExpectedTypeContext *TypeContext,
|
|
const DeclContext *DC,
|
|
ContextualNotRecommendedReason NotRecommended,
|
|
CodeCompletionDiagnosticSeverity DiagnosticSeverity,
|
|
StringRef DiagnosticMessage);
|
|
|
|
const ContextFreeCodeCompletionResult &getContextFreeResult() const {
|
|
return ContextFree;
|
|
}
|
|
|
|
/// Return a pointer to the data structure storing the context free
|
|
/// properties.
|
|
/// The pointer is valid as long as this result is alive.
|
|
const ContextFreeCodeCompletionResult *getContextFreeResultPtr() {
|
|
return &ContextFree;
|
|
}
|
|
|
|
/// Copy this result to \p Sink with \p newFlair . Note that this does NOT
|
|
/// copy the context free result. Thus the caller needs to ensure that the
|
|
/// context free result outlives the result the result returned by this
|
|
/// method.
|
|
CodeCompletionResult *withFlair(CodeCompletionFlair newFlair,
|
|
CodeCompletionResultSink &Sink) const;
|
|
|
|
/// Copy this result to \p Sink with \p newFlair . Note that this does NOT
|
|
/// copy the context free result. Thus the caller needs to ensure that the
|
|
/// context free result outlives the result the result returned by this
|
|
/// method.
|
|
CodeCompletionResult *withContextFreeResultSemanticContextAndFlair(
|
|
const ContextFreeCodeCompletionResult &NewContextFree,
|
|
SemanticContextKind NewSemanticContext, CodeCompletionFlair NewFlair,
|
|
CodeCompletionResultSink &Sink) const;
|
|
|
|
CodeCompletionResultKind getKind() const {
|
|
return getContextFreeResult().getKind();
|
|
}
|
|
|
|
CodeCompletionDeclKind getAssociatedDeclKind() const {
|
|
return getContextFreeResult().getAssociatedDeclKind();
|
|
}
|
|
|
|
CodeCompletionLiteralKind getLiteralKind() const {
|
|
return getContextFreeResult().getLiteralKind();
|
|
}
|
|
|
|
CodeCompletionKeywordKind getKeywordKind() const {
|
|
return getContextFreeResult().getKeywordKind();
|
|
}
|
|
|
|
bool isOperator() const { return getContextFreeResult().isOperator(); }
|
|
|
|
CodeCompletionOperatorKind getOperatorKind() const {
|
|
return getContextFreeResult().getKnownOperatorKind();
|
|
}
|
|
|
|
bool isSystem() const { return getContextFreeResult().isSystem(); }
|
|
|
|
CodeCompletionResultTypeRelation getExpectedTypeRelation() const {
|
|
return TypeDistance;
|
|
}
|
|
|
|
/// Get the contextual not-recommended reason. This disregards context-free
|
|
/// not recommended reasons.
|
|
ContextualNotRecommendedReason getContextualNotRecommendedReason() const {
|
|
return NotRecommended;
|
|
}
|
|
|
|
/// Return the contextual not recommended reason if there is one. If there is
|
|
/// no contextual not recommended reason, return the context-free not
|
|
/// recommended reason.
|
|
NotRecommendedReason getNotRecommendedReason() const {
|
|
switch (NotRecommended) {
|
|
case ContextualNotRecommendedReason::None:
|
|
switch (getContextFreeResult().getNotRecommendedReason()) {
|
|
case ContextFreeNotRecommendedReason::None:
|
|
return NotRecommendedReason::None;
|
|
case ContextFreeNotRecommendedReason::Deprecated:
|
|
return NotRecommendedReason::Deprecated;
|
|
case ContextFreeNotRecommendedReason::SoftDeprecated:
|
|
return NotRecommendedReason::SoftDeprecated;
|
|
}
|
|
case ContextualNotRecommendedReason::RedundantImport:
|
|
return NotRecommendedReason::RedundantImport;
|
|
case ContextualNotRecommendedReason::RedundantImportIndirect:
|
|
return NotRecommendedReason::RedundantImportIndirect;
|
|
case ContextualNotRecommendedReason::InvalidAsyncContext:
|
|
return NotRecommendedReason::InvalidAsyncContext;
|
|
case ContextualNotRecommendedReason::CrossActorReference:
|
|
return NotRecommendedReason::CrossActorReference;
|
|
case ContextualNotRecommendedReason::VariableUsedInOwnDefinition:
|
|
return NotRecommendedReason::VariableUsedInOwnDefinition;
|
|
}
|
|
}
|
|
|
|
SemanticContextKind getSemanticContext() const { return SemanticContext; }
|
|
|
|
CodeCompletionFlair getFlair() const { return CodeCompletionFlair(Flair); }
|
|
|
|
/// Modify "flair" of this result *in place*.
|
|
void setFlair(CodeCompletionFlair flair) { Flair = flair.toRaw(); }
|
|
|
|
bool isNotRecommended() const {
|
|
return getNotRecommendedReason() != NotRecommendedReason::None;
|
|
}
|
|
|
|
unsigned getNumBytesToErase() const {
|
|
return NumBytesToErase;
|
|
}
|
|
|
|
CodeCompletionString *getCompletionString() const {
|
|
return getContextFreeResult().getCompletionString();
|
|
}
|
|
|
|
StringRef getModuleName() const {
|
|
return getContextFreeResult().getModuleName();
|
|
}
|
|
|
|
StringRef getBriefDocComment() const {
|
|
return getContextFreeResult().getBriefDocComment();
|
|
}
|
|
|
|
ArrayRef<StringRef> getAssociatedUSRs() const {
|
|
return getContextFreeResult().getAssociatedUSRs();
|
|
}
|
|
|
|
/// Get the contextual diagnostic severity. This disregards context-free
|
|
/// diagnostics.
|
|
CodeCompletionDiagnosticSeverity getContextualDiagnosticSeverity() const {
|
|
return DiagnosticSeverity;
|
|
}
|
|
|
|
/// Get the contextual diagnostic message. This disregards context-free
|
|
/// diagnostics.
|
|
StringRef getContextualDiagnosticMessage() const { return DiagnosticMessage; }
|
|
|
|
/// Return the contextual diagnostic severity if there was a contextual
|
|
/// diagnostic. If there is no contextual diagnostic, return the context-free
|
|
/// diagnostic severity.
|
|
CodeCompletionDiagnosticSeverity getDiagnosticSeverity() const {
|
|
if (NotRecommended != ContextualNotRecommendedReason::None) {
|
|
return DiagnosticSeverity;
|
|
} else {
|
|
return getContextFreeResult().getDiagnosticSeverity();
|
|
}
|
|
}
|
|
|
|
/// Return the contextual diagnostic message if there was a contextual
|
|
/// diagnostic. If there is no contextual diagnostic, return the context-free
|
|
/// diagnostic message.
|
|
StringRef getDiagnosticMessage() const {
|
|
if (NotRecommended != ContextualNotRecommendedReason::None) {
|
|
return DiagnosticMessage;
|
|
} else {
|
|
return getContextFreeResult().getDiagnosticMessage();
|
|
}
|
|
}
|
|
|
|
/// Print a debug representation of the code completion result to \p OS.
|
|
void printPrefix(raw_ostream &OS) const;
|
|
SWIFT_DEBUG_DUMP;
|
|
};
|
|
|
|
struct CodeCompletionResultSink {
|
|
using AllocatorPtr = std::shared_ptr<llvm::BumpPtrAllocator>;
|
|
|
|
/// The allocator used to allocate results "native" to this sink.
|
|
AllocatorPtr Allocator;
|
|
|
|
/// Allocators that keep alive "foreign" results imported into this sink from
|
|
/// other sinks.
|
|
std::vector<AllocatorPtr> ForeignAllocators;
|
|
|
|
/// Whether to annotate the results with XML.
|
|
bool annotateResult = false;
|
|
|
|
/// Whether to emit object literals if desired.
|
|
bool includeObjectLiterals = true;
|
|
|
|
/// Whether to emit type initializers in addition to type names in expression
|
|
/// position.
|
|
bool addInitsToTopLevel = false;
|
|
|
|
/// Whether to perform "call pettern heuristics".
|
|
bool enableCallPatternHeuristics = false;
|
|
|
|
/// Whether to include an item without any default arguments.
|
|
bool addCallWithNoDefaultArgs = true;
|
|
|
|
std::vector<CodeCompletionResult *> Results;
|
|
|
|
/// A single-element cache for module names stored in Allocator, keyed by a
|
|
/// clang::Module * or swift::ModuleDecl *.
|
|
std::pair<void *, StringRef> LastModule;
|
|
|
|
CodeCompletionResultSink()
|
|
: Allocator(std::make_shared<llvm::BumpPtrAllocator>()) {}
|
|
};
|
|
|
|
/// A utility for calculating the import depth of a given module. Direct imports
|
|
/// have depth 1, imports of those modules have depth 2, etc.
|
|
///
|
|
/// Special modules such as Playground auxiliary sources are considered depth
|
|
/// 0.
|
|
class ImportDepth {
|
|
llvm::StringMap<uint8_t> depths;
|
|
|
|
public:
|
|
ImportDepth() = default;
|
|
ImportDepth(ASTContext &context, const FrontendOptions &frontendOptions);
|
|
|
|
Optional<uint8_t> lookup(StringRef module) {
|
|
auto I = depths.find(module);
|
|
if (I == depths.end())
|
|
return None;
|
|
return I->getValue();
|
|
}
|
|
};
|
|
|
|
class CodeCompletionContext {
|
|
friend class CodeCompletionResultBuilder;
|
|
|
|
/// A set of current completion results.
|
|
CodeCompletionResultSink CurrentResults;
|
|
|
|
public:
|
|
CodeCompletionCache &Cache;
|
|
CompletionKind CodeCompletionKind = CompletionKind::None;
|
|
|
|
enum class TypeContextKind {
|
|
/// There is no known contextual type. All types are equally good.
|
|
None,
|
|
|
|
/// There is a contextual type from a single-expression closure/function
|
|
/// body. The context is a hint, and enables unresolved member completion,
|
|
/// but should not hide any results.
|
|
SingleExpressionBody,
|
|
|
|
/// There are known contextual types, or there aren't but a nonvoid type is expected.
|
|
Required,
|
|
};
|
|
|
|
TypeContextKind typeContextKind = TypeContextKind::None;
|
|
|
|
/// Whether there may be members that can use implicit member syntax,
|
|
/// e.g. `x = .foo`.
|
|
bool MayUseImplicitMemberExpr = false;
|
|
|
|
/// Flag to indicate that the completion is happening reusing ASTContext
|
|
/// from the previous completion.
|
|
/// NOTE: Do not use this to change the behavior. This is only for debugging.
|
|
bool ReusingASTContext = false;
|
|
|
|
CodeCompletionContext(CodeCompletionCache &Cache)
|
|
: Cache(Cache) {}
|
|
|
|
void setAnnotateResult(bool flag) { CurrentResults.annotateResult = flag; }
|
|
bool getAnnotateResult() const { return CurrentResults.annotateResult; }
|
|
|
|
void setIncludeObjectLiterals(bool flag) {
|
|
CurrentResults.includeObjectLiterals = flag;
|
|
}
|
|
bool includeObjectLiterals() const {
|
|
return CurrentResults.includeObjectLiterals;
|
|
}
|
|
|
|
void setAddInitsToTopLevel(bool flag) {
|
|
CurrentResults.addInitsToTopLevel = flag;
|
|
}
|
|
bool getAddInitsToTopLevel() const {
|
|
return CurrentResults.addInitsToTopLevel;
|
|
}
|
|
|
|
void setCallPatternHeuristics(bool flag) {
|
|
CurrentResults.enableCallPatternHeuristics = flag;
|
|
}
|
|
bool getCallPatternHeuristics() const {
|
|
return CurrentResults.enableCallPatternHeuristics;
|
|
}
|
|
|
|
void setAddCallWithNoDefaultArgs(bool flag) {
|
|
CurrentResults.addCallWithNoDefaultArgs = flag;
|
|
}
|
|
bool addCallWithNoDefaultArgs() const {
|
|
return CurrentResults.addCallWithNoDefaultArgs;
|
|
}
|
|
|
|
/// Allocate a string owned by the code completion context.
|
|
StringRef copyString(StringRef Str);
|
|
|
|
/// Sort code completion results in an implementation-defined order
|
|
/// in place.
|
|
static std::vector<CodeCompletionResult *>
|
|
sortCompletionResults(ArrayRef<CodeCompletionResult *> Results);
|
|
|
|
CodeCompletionResultSink &getResultSink() {
|
|
return CurrentResults;
|
|
}
|
|
};
|
|
|
|
struct SwiftCompletionInfo {
|
|
swift::ASTContext *swiftASTContext = nullptr;
|
|
const swift::CompilerInvocation *invocation = nullptr;
|
|
CodeCompletionContext *completionContext = nullptr;
|
|
};
|
|
|
|
/// An abstract base class for consumers of code completion results.
|
|
/// \see \c SimpleCachingCodeCompletionConsumer.
|
|
class CodeCompletionConsumer {
|
|
public:
|
|
virtual ~CodeCompletionConsumer() {}
|
|
virtual void
|
|
handleResultsAndModules(CodeCompletionContext &context,
|
|
ArrayRef<RequestedCachedModule> requestedModules,
|
|
DeclContext *DC) = 0;
|
|
};
|
|
|
|
/// A simplified code completion consumer interface that clients can use to get
|
|
/// CodeCompletionResults with automatic caching of top-level completions from
|
|
/// imported modules.
|
|
struct SimpleCachingCodeCompletionConsumer : public CodeCompletionConsumer {
|
|
|
|
// Implement the CodeCompletionConsumer interface.
|
|
void handleResultsAndModules(CodeCompletionContext &context,
|
|
ArrayRef<RequestedCachedModule> requestedModules,
|
|
DeclContext *DCForModules) override;
|
|
|
|
/// Clients should override this method to receive \p Results.
|
|
virtual void handleResults(CodeCompletionContext &context) = 0;
|
|
};
|
|
|
|
/// Create a factory for code completion callbacks.
|
|
CodeCompletionCallbacksFactory *
|
|
makeCodeCompletionCallbacksFactory(CodeCompletionContext &CompletionContext,
|
|
CodeCompletionConsumer &Consumer);
|
|
|
|
/// Lookup the top-level code completions from \p module and store them in
|
|
/// \p targetSink.
|
|
///
|
|
/// Results are looked up as if in \p currDeclContext, which may be null.
|
|
void lookupCodeCompletionResultsFromModule(CodeCompletionResultSink &targetSink,
|
|
const ModuleDecl *module,
|
|
ArrayRef<std::string> accessPath,
|
|
bool needLeadingDot,
|
|
const SourceFile *SF);
|
|
|
|
} // end namespace ide
|
|
} // end namespace swift
|
|
|
|
namespace llvm {
|
|
template <> struct DenseMapInfo<swift::ide::CodeCompletionKeywordKind> {
|
|
using Kind = swift::ide::CodeCompletionKeywordKind;
|
|
static Kind getEmptyKey() { return Kind(~0u); }
|
|
static Kind getTombstoneKey() { return Kind(~1u); }
|
|
static unsigned getHashValue(const Kind &Val) { return unsigned(Val); }
|
|
static bool isEqual(const Kind &LHS, const Kind &RHS) { return LHS == RHS; }
|
|
};
|
|
template <> struct DenseMapInfo<swift::ide::CodeCompletionLiteralKind> {
|
|
using Kind = swift::ide::CodeCompletionLiteralKind;
|
|
static Kind getEmptyKey() { return Kind(~0u); }
|
|
static Kind getTombstoneKey() { return Kind(~1u); }
|
|
static unsigned getHashValue(const Kind &Val) { return unsigned(Val); }
|
|
static bool isEqual(const Kind &LHS, const Kind &RHS) { return LHS == RHS; }
|
|
};
|
|
template <> struct DenseMapInfo<swift::ide::CodeCompletionDeclKind> {
|
|
using Kind = swift::ide::CodeCompletionDeclKind;
|
|
static Kind getEmptyKey() { return Kind(~0u); }
|
|
static Kind getTombstoneKey() { return Kind(~1u); }
|
|
static unsigned getHashValue(const Kind &Val) { return unsigned(Val); }
|
|
static bool isEqual(const Kind &LHS, const Kind &RHS) { return LHS == RHS; }
|
|
};
|
|
}
|
|
|
|
#endif // SWIFT_IDE_CODECOMPLETION_H
|