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swift-mirror/include/swift/AST/Comment.h

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2.8 KiB
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//===--- Comment.h - Swift-specific comment parsing -------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_AST_COMMENT_H
#define SWIFT_AST_COMMENT_H
#include "swift/Markup/Markup.h"
#include "llvm/ADT/Optional.h"
namespace swift {
class Decl;
class DocComment;
struct RawComment;
class DocComment {
public:
struct CommentParts {
Optional<const llvm::markup::Paragraph *>Brief;
ArrayRef<const llvm::markup::MarkupASTNode *> BodyNodes;
ArrayRef<const llvm::markup::ParamField *> ParamFields;
Optional<const llvm::markup::ReturnsField *> ReturnsField;
Optional<const llvm::markup::ThrowsField *> ThrowsField;
bool isEmpty() const {
return !Brief.hasValue() && !ReturnsField.hasValue() && !ThrowsField.hasValue() && BodyNodes.empty() && ParamFields.empty();
}
};
private:
const Decl *D;
const llvm::markup::Document *Doc = nullptr;
const CommentParts Parts;
public:
DocComment(const Decl *D, llvm::markup::Document *Doc,
CommentParts Parts)
: D(D), Doc(Doc), Parts(Parts) {}
const Decl *getDecl() const { return D; }
const llvm::markup::Document *getDocument() const { return Doc; }
CommentParts getParts() const {
return Parts;
}
Optional<const llvm::markup::Paragraph *> getBrief() const {
return Parts.Brief;
}
Optional<const llvm::markup::ReturnsField * >getReturnsField() const {
return Parts.ReturnsField;
}
Optional<const llvm::markup::ThrowsField*> getThrowsField() const {
return Parts.ThrowsField;
}
ArrayRef<const llvm::markup::ParamField *> getParamFields() const {
return Parts.ParamFields;
}
ArrayRef<const llvm::markup::MarkupASTNode *> getBodyNodes() const {
return Parts.BodyNodes;
}
bool isEmpty() const {
return Parts.isEmpty();
}
// Only allow allocation using the allocator in MarkupContext or by
// placement new.
void *operator new(size_t Bytes, llvm::markup::MarkupContext &MC,
unsigned Alignment = alignof(DocComment));
void *operator new(size_t Bytes, void *Mem) {
assert(Mem);
return Mem;
}
// Make vanilla new/delete illegal.
void *operator new(size_t Bytes) = delete;
void operator delete(void *Data) = delete;
};
Optional<DocComment *>getDocComment(llvm::markup::MarkupContext &Context,
const Decl *D);
} // namespace swift
#endif // LLVM_SWIFT_AST_COMMENT_H