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https://github.com/Gericom/teak-llvm.git
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808142876c
Summary: A *.cpp file header in LLDB (and in LLDB) should like this: ``` //===-- TestUtilities.cpp -------------------------------------------------===// ``` However in LLDB most of our source files have arbitrary changes to this format and these changes are spreading through LLDB as folks usually just use the existing source files as templates for their new files (most notably the unnecessary editor language indicator `-*- C++ -*-` is spreading and in every review someone is pointing out that this is wrong, resulting in people pointing out that this is done in the same way in other files). This patch removes most of these inconsistencies including the editor language indicators, all the different missing/additional '-' characters, files that center the file name, missing trailing `===//` (mostly caused by clang-format breaking the line). Reviewers: aprantl, espindola, jfb, shafik, JDevlieghere Reviewed By: JDevlieghere Subscribers: dexonsmith, wuzish, emaste, sdardis, nemanjai, kbarton, MaskRay, atanasyan, arphaman, jfb, abidh, jsji, JDevlieghere, usaxena95, lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D73258
93 lines
3.8 KiB
C++
93 lines
3.8 KiB
C++
//===-- CommandObjectRegexCommand.cpp -------------------------------------===//
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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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#include "lldb/Interpreter/CommandObjectRegexCommand.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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using namespace lldb;
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using namespace lldb_private;
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// CommandObjectRegexCommand constructor
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CommandObjectRegexCommand::CommandObjectRegexCommand(
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CommandInterpreter &interpreter, llvm::StringRef name, llvm::StringRef help,
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llvm::StringRef syntax, uint32_t max_matches, uint32_t completion_type_mask,
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bool is_removable)
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: CommandObjectRaw(interpreter, name, help, syntax),
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m_max_matches(max_matches), m_completion_type_mask(completion_type_mask),
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m_entries(), m_is_removable(is_removable) {}
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// Destructor
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CommandObjectRegexCommand::~CommandObjectRegexCommand() {}
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bool CommandObjectRegexCommand::DoExecute(llvm::StringRef command,
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CommandReturnObject &result) {
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EntryCollection::const_iterator pos, end = m_entries.end();
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for (pos = m_entries.begin(); pos != end; ++pos) {
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llvm::SmallVector<llvm::StringRef, 4> matches;
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if (pos->regex.Execute(command, &matches)) {
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std::string new_command(pos->command);
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char percent_var[8];
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size_t idx, percent_var_idx;
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for (uint32_t match_idx = 1; match_idx <= m_max_matches; ++match_idx) {
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if (match_idx < matches.size()) {
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const std::string match_str = matches[match_idx].str();
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const int percent_var_len =
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::snprintf(percent_var, sizeof(percent_var), "%%%u", match_idx);
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for (idx = 0; (percent_var_idx = new_command.find(
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percent_var, idx)) != std::string::npos;) {
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new_command.erase(percent_var_idx, percent_var_len);
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new_command.insert(percent_var_idx, match_str);
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idx += percent_var_idx + match_str.size();
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}
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}
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}
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// Interpret the new command and return this as the result!
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if (m_interpreter.GetExpandRegexAliases())
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result.GetOutputStream().Printf("%s\n", new_command.c_str());
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// Pass in true for "no context switching". The command that called us
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// should have set up the context appropriately, we shouldn't have to
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// redo that.
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return m_interpreter.HandleCommand(
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new_command.c_str(), eLazyBoolCalculate, result, nullptr, true, true);
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}
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}
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result.SetStatus(eReturnStatusFailed);
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if (!GetSyntax().empty())
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result.AppendError(GetSyntax());
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else
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result.GetOutputStream() << "Command contents '" << command
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<< "' failed to match any "
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"regular expression in the '"
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<< m_cmd_name << "' regex ";
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return false;
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}
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bool CommandObjectRegexCommand::AddRegexCommand(const char *re_cstr,
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const char *command_cstr) {
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m_entries.resize(m_entries.size() + 1);
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// Only add the regular expression if it compiles
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m_entries.back().regex =
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RegularExpression(llvm::StringRef::withNullAsEmpty(re_cstr));
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if (m_entries.back().regex.IsValid()) {
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m_entries.back().command.assign(command_cstr);
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return true;
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}
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// The regex didn't compile...
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m_entries.pop_back();
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return false;
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}
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void CommandObjectRegexCommand::HandleCompletion(CompletionRequest &request) {
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if (m_completion_type_mask) {
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CommandCompletions::InvokeCommonCompletionCallbacks(
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GetCommandInterpreter(), m_completion_type_mask, request, nullptr);
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}
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}
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