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b9c1b51e45
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
121 lines
5.0 KiB
C++
121 lines
5.0 KiB
C++
//===-- CommandObjectRegexCommand.cpp ---------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Interpreter/CommandObjectRegexCommand.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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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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//----------------------------------------------------------------------
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// CommandObjectRegexCommand constructor
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//----------------------------------------------------------------------
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CommandObjectRegexCommand::CommandObjectRegexCommand(
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CommandInterpreter &interpreter, const char *name, const char *help,
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const char *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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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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CommandObjectRegexCommand::~CommandObjectRegexCommand() {}
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bool CommandObjectRegexCommand::DoExecute(const char *command,
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CommandReturnObject &result) {
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if (command) {
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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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RegularExpression::Match regex_match(m_max_matches);
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if (pos->regex.Execute(command, ®ex_match)) {
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std::string new_command(pos->command);
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std::string match_str;
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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 (regex_match.GetMatchAtIndex(command, match_idx, match_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
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// appropriately, we shouldn't have to redo that.
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return m_interpreter.HandleCommand(new_command.c_str(),
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eLazyBoolCalculate, result, nullptr,
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true, true);
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}
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}
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result.SetStatus(eReturnStatusFailed);
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if (GetSyntax() != nullptr)
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result.AppendError(GetSyntax());
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else
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result.AppendErrorWithFormat("Command contents '%s' failed to match any "
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"regular expression in the '%s' regex "
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"command.\n",
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command, m_cmd_name.c_str());
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return false;
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}
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result.AppendError("empty command passed to regular expression command");
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result.SetStatus(eReturnStatusFailed);
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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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if (m_entries.back().regex.Compile(re_cstr)) {
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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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int CommandObjectRegexCommand::HandleCompletion(Args &input, int &cursor_index,
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int &cursor_char_position,
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int match_start_point,
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int max_return_elements,
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bool &word_complete,
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StringList &matches) {
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if (m_completion_type_mask) {
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std::string completion_str(input.GetArgumentAtIndex(cursor_index),
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cursor_char_position);
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CommandCompletions::InvokeCommonCompletionCallbacks(
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GetCommandInterpreter(), m_completion_type_mask, completion_str.c_str(),
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match_start_point, max_return_elements, nullptr, word_complete,
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matches);
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return matches.GetSize();
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} else {
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matches.Clear();
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word_complete = false;
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}
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return 0;
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}
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