77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
//===--- Protocol.cpp - Language Server Protocol Implementation -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the serialization code for the PDLL specific LSP structs.
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//
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//===----------------------------------------------------------------------===//
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#include "Protocol.h"
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#include "llvm/ADT/Hashing.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/Format.h"
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#include "llvm/Support/FormatVariadic.h"
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#include "llvm/Support/JSON.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace mlir;
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using namespace mlir::lsp;
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// Helper that doesn't treat `null` and absent fields as failures.
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template <typename T>
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static bool mapOptOrNull(const llvm::json::Value ¶ms,
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llvm::StringLiteral prop, T &out,
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llvm::json::Path path) {
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const llvm::json::Object *o = params.getAsObject();
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assert(o);
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// Field is missing or null.
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auto *v = o->get(prop);
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if (!v || v->getAsNull())
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return true;
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return fromJSON(*v, out, path.field(prop));
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}
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//===----------------------------------------------------------------------===//
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// PDLLViewOutputParams
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//===----------------------------------------------------------------------===//
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bool mlir::lsp::fromJSON(const llvm::json::Value &value,
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PDLLViewOutputKind &result, llvm::json::Path path) {
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if (Optional<StringRef> str = value.getAsString()) {
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if (*str == "ast") {
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result = PDLLViewOutputKind::AST;
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return true;
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}
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if (*str == "mlir") {
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result = PDLLViewOutputKind::MLIR;
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return true;
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}
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if (*str == "cpp") {
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result = PDLLViewOutputKind::CPP;
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return true;
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}
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}
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return false;
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}
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bool mlir::lsp::fromJSON(const llvm::json::Value &value,
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PDLLViewOutputParams &result, llvm::json::Path path) {
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llvm::json::ObjectMapper o(value, path);
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return o && o.map("uri", result.uri) && o.map("kind", result.kind);
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}
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//===----------------------------------------------------------------------===//
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// PDLLViewOutputResult
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//===----------------------------------------------------------------------===//
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llvm::json::Value mlir::lsp::toJSON(const PDLLViewOutputResult &value) {
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return llvm::json::Object{{"output", value.output}};
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}
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