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swift-mirror/include/swift/IDE/PostfixCompletion.h

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2.2 KiB
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//===--- DotExprCodeCompletion.h ------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_IDE_POSTFIXCOMPLETION_H
#define SWIFT_IDE_POSTFIXCOMPLETION_H
#include "swift/IDE/CodeCompletionConsumer.h"
#include "swift/IDE/CodeCompletionContext.h"
#include "swift/IDE/TypeCheckCompletionCallback.h"
namespace swift {
namespace ide {
/// Used to collect and store information needed to perform member completion
/// (\c CompletionKind::DotExpr ) from the solutions formed during expression
/// type-checking.
class PostfixCompletionCallback : public TypeCheckCompletionCallback {
struct Result {
Type BaseTy;
ValueDecl *BaseDecl;
SmallVector<Type, 4> ExpectedTypes;
bool ExpectsNonVoid;
bool BaseIsStaticMetaType;
bool IsImplicitSingleExpressionReturn;
/// Whether the surrounding context is async and thus calling async
/// functions is supported.
bool IsInAsyncContext;
};
CodeCompletionExpr *CompletionExpr;
DeclContext *DC;
SmallVector<Result, 4> Results;
llvm::DenseMap<std::pair<Type, Decl *>, size_t> BaseToSolutionIdx;
void sawSolutionImpl(const constraints::Solution &solution) override;
public:
PostfixCompletionCallback(CodeCompletionExpr *CompletionExpr, DeclContext *DC)
: CompletionExpr(CompletionExpr), DC(DC) {}
/// Typecheck the code completion expression in isolation, calling
/// \c sawSolution for each solution formed.
void fallbackTypeCheck(DeclContext *DC) override;
void deliverResults(Expr *BaseExpr, DeclContext *DC, SourceLoc DotLoc,
bool IsInSelector, CodeCompletionContext &CompletionCtx,
CodeCompletionConsumer &Consumer);
};
} // end namespace ide
} // end namespace swift
#endif // SWIFT_IDE_POSTFIXCOMPLETION_H