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-rw-r--r--contrib/llvm/tools/lldb/source/Interpreter/CommandObjectRegexCommand.cpp191
1 files changed, 81 insertions, 110 deletions
diff --git a/contrib/llvm/tools/lldb/source/Interpreter/CommandObjectRegexCommand.cpp b/contrib/llvm/tools/lldb/source/Interpreter/CommandObjectRegexCommand.cpp
index 1c3c3cd..79d3bb1 100644
--- a/contrib/llvm/tools/lldb/source/Interpreter/CommandObjectRegexCommand.cpp
+++ b/contrib/llvm/tools/lldb/source/Interpreter/CommandObjectRegexCommand.cpp
@@ -22,129 +22,100 @@ using namespace lldb_private;
//----------------------------------------------------------------------
// CommandObjectRegexCommand constructor
//----------------------------------------------------------------------
-CommandObjectRegexCommand::CommandObjectRegexCommand
-(
- CommandInterpreter &interpreter,
- const char *name,
- const char *help,
- const char *syntax,
- uint32_t max_matches,
- uint32_t completion_type_mask,
- bool is_removable
-) :
- CommandObjectRaw (interpreter, name, help, syntax),
- m_max_matches (max_matches),
- m_completion_type_mask (completion_type_mask),
- m_entries (),
- m_is_removable (is_removable)
-{
-}
+CommandObjectRegexCommand::CommandObjectRegexCommand(
+ CommandInterpreter &interpreter, llvm::StringRef name, llvm::StringRef help,
+ llvm::StringRef syntax, uint32_t max_matches, uint32_t completion_type_mask,
+ bool is_removable)
+ : CommandObjectRaw(interpreter, name, help, syntax),
+ m_max_matches(max_matches), m_completion_type_mask(completion_type_mask),
+ m_entries(), m_is_removable(is_removable) {}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
-CommandObjectRegexCommand::~CommandObjectRegexCommand()
-{
-}
-
+CommandObjectRegexCommand::~CommandObjectRegexCommand() {}
-bool
-CommandObjectRegexCommand::DoExecute
-(
- const char *command,
- CommandReturnObject &result
-)
-{
- if (command)
- {
- EntryCollection::const_iterator pos, end = m_entries.end();
- for (pos = m_entries.begin(); pos != end; ++pos)
- {
- RegularExpression::Match regex_match(m_max_matches);
+bool CommandObjectRegexCommand::DoExecute(const char *command,
+ CommandReturnObject &result) {
+ if (command) {
+ EntryCollection::const_iterator pos, end = m_entries.end();
+ for (pos = m_entries.begin(); pos != end; ++pos) {
+ RegularExpression::Match regex_match(m_max_matches);
- if (pos->regex.Execute (command, &regex_match))
- {
- std::string new_command(pos->command);
- std::string match_str;
- char percent_var[8];
- size_t idx, percent_var_idx;
- for (uint32_t match_idx=1; match_idx <= m_max_matches; ++match_idx)
- {
- if (regex_match.GetMatchAtIndex (command, match_idx, match_str))
- {
- const int percent_var_len = ::snprintf (percent_var, sizeof(percent_var), "%%%u", match_idx);
- for (idx = 0; (percent_var_idx = new_command.find(percent_var, idx)) != std::string::npos; )
- {
- new_command.erase(percent_var_idx, percent_var_len);
- new_command.insert(percent_var_idx, match_str);
- idx += percent_var_idx + match_str.size();
- }
- }
- }
- // Interpret the new command and return this as the result!
- if (m_interpreter.GetExpandRegexAliases())
- result.GetOutputStream().Printf("%s\n", new_command.c_str());
- // Pass in true for "no context switching". The command that called us should have set up the context
- // appropriately, we shouldn't have to redo that.
- return m_interpreter.HandleCommand(new_command.c_str(), eLazyBoolCalculate, result, nullptr, true, true);
+ if (pos->regex.Execute(command, &regex_match)) {
+ std::string new_command(pos->command);
+ std::string match_str;
+ char percent_var[8];
+ size_t idx, percent_var_idx;
+ for (uint32_t match_idx = 1; match_idx <= m_max_matches; ++match_idx) {
+ if (regex_match.GetMatchAtIndex(command, match_idx, match_str)) {
+ const int percent_var_len =
+ ::snprintf(percent_var, sizeof(percent_var), "%%%u", match_idx);
+ for (idx = 0; (percent_var_idx = new_command.find(
+ percent_var, idx)) != std::string::npos;) {
+ new_command.erase(percent_var_idx, percent_var_len);
+ new_command.insert(percent_var_idx, match_str);
+ idx += percent_var_idx + match_str.size();
}
+ }
}
- result.SetStatus(eReturnStatusFailed);
- if (GetSyntax() != nullptr)
- result.AppendError (GetSyntax());
- else
- result.AppendErrorWithFormat ("Command contents '%s' failed to match any regular expression in the '%s' regex command.\n",
- command,
- m_cmd_name.c_str());
- return false;
+ // Interpret the new command and return this as the result!
+ if (m_interpreter.GetExpandRegexAliases())
+ result.GetOutputStream().Printf("%s\n", new_command.c_str());
+ // Pass in true for "no context switching". The command that called us
+ // should have set up the context
+ // appropriately, we shouldn't have to redo that.
+ return m_interpreter.HandleCommand(new_command.c_str(),
+ eLazyBoolCalculate, result, nullptr,
+ true, true);
+ }
}
- result.AppendError("empty command passed to regular expression command");
result.SetStatus(eReturnStatusFailed);
+ if (!GetSyntax().empty())
+ result.AppendError(GetSyntax());
+ else
+ result.AppendErrorWithFormat("Command contents '%s' failed to match any "
+ "regular expression in the '%s' regex "
+ "command.\n",
+ command, m_cmd_name.c_str());
return false;
+ }
+ result.AppendError("empty command passed to regular expression command");
+ result.SetStatus(eReturnStatusFailed);
+ return false;
}
-
-bool
-CommandObjectRegexCommand::AddRegexCommand (const char *re_cstr, const char *command_cstr)
-{
- m_entries.resize(m_entries.size() + 1);
- // Only add the regular expression if it compiles
- if (m_entries.back().regex.Compile (re_cstr))
- {
- m_entries.back().command.assign (command_cstr);
- return true;
- }
- // The regex didn't compile...
- m_entries.pop_back();
- return false;
+bool CommandObjectRegexCommand::AddRegexCommand(const char *re_cstr,
+ const char *command_cstr) {
+ m_entries.resize(m_entries.size() + 1);
+ // Only add the regular expression if it compiles
+ if (m_entries.back().regex.Compile(
+ llvm::StringRef::withNullAsEmpty(re_cstr))) {
+ m_entries.back().command.assign(command_cstr);
+ return true;
+ }
+ // The regex didn't compile...
+ m_entries.pop_back();
+ return false;
}
-int
-CommandObjectRegexCommand::HandleCompletion (Args &input,
- int &cursor_index,
- int &cursor_char_position,
- int match_start_point,
- int max_return_elements,
- bool &word_complete,
- StringList &matches)
-{
- if (m_completion_type_mask)
- {
- std::string completion_str (input.GetArgumentAtIndex (cursor_index), cursor_char_position);
- CommandCompletions::InvokeCommonCompletionCallbacks (m_interpreter,
- m_completion_type_mask,
- completion_str.c_str(),
- match_start_point,
- max_return_elements,
- nullptr,
- word_complete,
- matches);
- return matches.GetSize();
- }
- else
- {
- matches.Clear();
- word_complete = false;
- }
- return 0;
+int CommandObjectRegexCommand::HandleCompletion(Args &input, int &cursor_index,
+ int &cursor_char_position,
+ int match_start_point,
+ int max_return_elements,
+ bool &word_complete,
+ StringList &matches) {
+ if (m_completion_type_mask) {
+ std::string completion_str(input.GetArgumentAtIndex(cursor_index),
+ cursor_char_position);
+ CommandCompletions::InvokeCommonCompletionCallbacks(
+ GetCommandInterpreter(), m_completion_type_mask, completion_str.c_str(),
+ match_start_point, max_return_elements, nullptr, word_complete,
+ matches);
+ return matches.GetSize();
+ } else {
+ matches.Clear();
+ word_complete = false;
+ }
+ return 0;
}
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