================ @@ -0,0 +1,273 @@ +//===-- DILParser.cpp -----------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +// This implements the recursive descent parser for the Data Inspection +// Language (DIL), and its helper functions, which will eventually underlie the +// 'frame variable' command. The language that this parser recognizes is +// described in lldb/docs/dil-expr-lang.ebnf +// +//===----------------------------------------------------------------------===// + +#include "lldb/ValueObject/DILParser.h" +#include "lldb/Target/ExecutionContextScope.h" +#include "lldb/Utility/DiagnosticsRendering.h" +#include "lldb/ValueObject/DILAST.h" +#include "lldb/ValueObject/DILEval.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/FormatAdapters.h" +#include <cstdlib> +#include <limits.h> +#include <memory> +#include <sstream> +#include <string> + +namespace lldb_private::dil { + +std::string FormatDiagnostics(llvm::StringRef text, const std::string &message, + uint32_t loc, uint16_t err_len) { + DiagnosticDetail::SourceLocation sloc = { + FileSpec{}, /*line=*/1, static_cast<uint16_t>(loc + 1), + err_len, false, /*in_user_input=*/true}; + std::string arrow_str = "^"; + std::string rendered_msg = + llvm::formatv("<user expression 0>:1:{0}: {1}\n 1 | {2}\n | ^", + loc + 1, message, text); + DiagnosticDetail detail; + detail.source_location = sloc; + detail.severity = lldb::eSeverityError; + detail.message = message; + detail.rendered = rendered_msg; + std::vector<DiagnosticDetail> diagnostics; + diagnostics.push_back(detail); + StreamString diag_stream(true); + RenderDiagnosticDetails(diag_stream, 7, true, diagnostics); + std::string ret_str = text.str() + "\n" + diag_stream.GetString().str(); + return ret_str; +} + +llvm::Expected<ASTNodeUP> +DILParser::Parse(llvm::StringRef dil_input_expr, DILLexer lexer, + std::shared_ptr<StackFrame> frame_sp, + lldb::DynamicValueType use_dynamic, bool use_synthetic, + bool fragile_ivar, bool check_ptr_vs_member) { + Status error; + DILParser parser(dil_input_expr, lexer, frame_sp, use_dynamic, use_synthetic, + fragile_ivar, check_ptr_vs_member, error); + return parser.Run(); ---------------- labath wrote:
You can initialize it to `llvm::Error::success()` https://github.com/llvm/llvm-project/pull/120971 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
