forked from OSchip/llvm-project
123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
//===-- OptionValueFormatEntity.cpp -----------------------------*- C++ -*-===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "lldb/Interpreter/OptionValueFormatEntity.h"
|
|
|
|
#include "lldb/Core/Module.h"
|
|
#include "lldb/Interpreter/CommandInterpreter.h"
|
|
#include "lldb/Utility/Stream.h"
|
|
#include "lldb/Utility/StringList.h"
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
OptionValueFormatEntity::OptionValueFormatEntity(const char *default_format)
|
|
: OptionValue(), m_current_format(), m_default_format(), m_current_entry(),
|
|
m_default_entry() {
|
|
if (default_format && default_format[0]) {
|
|
llvm::StringRef default_format_str(default_format);
|
|
Status error = FormatEntity::Parse(default_format_str, m_default_entry);
|
|
if (error.Success()) {
|
|
m_default_format = default_format;
|
|
m_current_format = default_format;
|
|
m_current_entry = m_default_entry;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool OptionValueFormatEntity::Clear() {
|
|
m_current_entry = m_default_entry;
|
|
m_current_format = m_default_format;
|
|
m_value_was_set = false;
|
|
return true;
|
|
}
|
|
|
|
static void EscapeBackticks(llvm::StringRef str, std::string &dst) {
|
|
dst.clear();
|
|
dst.reserve(str.size());
|
|
|
|
for (size_t i = 0, e = str.size(); i != e; ++i) {
|
|
char c = str[i];
|
|
if (c == '`') {
|
|
if (i == 0 || str[i - 1] != '\\')
|
|
dst += '\\';
|
|
}
|
|
dst += c;
|
|
}
|
|
}
|
|
|
|
void OptionValueFormatEntity::DumpValue(const ExecutionContext *exe_ctx,
|
|
Stream &strm, uint32_t dump_mask) {
|
|
if (dump_mask & eDumpOptionType)
|
|
strm.Printf("(%s)", GetTypeAsCString());
|
|
if (dump_mask & eDumpOptionValue) {
|
|
if (dump_mask & eDumpOptionType)
|
|
strm.PutCString(" = ");
|
|
std::string escaped;
|
|
EscapeBackticks(m_current_format, escaped);
|
|
strm << '"' << escaped << '"';
|
|
}
|
|
}
|
|
|
|
Status OptionValueFormatEntity::SetValueFromString(llvm::StringRef value_str,
|
|
VarSetOperationType op) {
|
|
Status error;
|
|
switch (op) {
|
|
case eVarSetOperationClear:
|
|
Clear();
|
|
NotifyValueChanged();
|
|
break;
|
|
|
|
case eVarSetOperationReplace:
|
|
case eVarSetOperationAssign: {
|
|
// Check if the string starts with a quote character after removing leading
|
|
// and trailing spaces. If it does start with a quote character, make sure
|
|
// it ends with the same quote character and remove the quotes before we
|
|
// parse the format string. If the string doesn't start with a quote, leave
|
|
// the string alone and parse as is.
|
|
llvm::StringRef trimmed_value_str = value_str.trim();
|
|
if (!trimmed_value_str.empty()) {
|
|
const char first_char = trimmed_value_str[0];
|
|
if (first_char == '"' || first_char == '\'') {
|
|
const size_t trimmed_len = trimmed_value_str.size();
|
|
if (trimmed_len == 1 || value_str[trimmed_len - 1] != first_char) {
|
|
error.SetErrorStringWithFormat("mismatched quotes");
|
|
return error;
|
|
}
|
|
value_str = trimmed_value_str.substr(1, trimmed_len - 2);
|
|
}
|
|
}
|
|
FormatEntity::Entry entry;
|
|
error = FormatEntity::Parse(value_str, entry);
|
|
if (error.Success()) {
|
|
m_current_entry = std::move(entry);
|
|
m_current_format = value_str;
|
|
m_value_was_set = true;
|
|
NotifyValueChanged();
|
|
}
|
|
} break;
|
|
|
|
case eVarSetOperationInsertBefore:
|
|
case eVarSetOperationInsertAfter:
|
|
case eVarSetOperationRemove:
|
|
case eVarSetOperationAppend:
|
|
case eVarSetOperationInvalid:
|
|
error = OptionValue::SetValueFromString(value_str, op);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
lldb::OptionValueSP OptionValueFormatEntity::DeepCopy() const {
|
|
return OptionValueSP(new OptionValueFormatEntity(*this));
|
|
}
|
|
|
|
size_t OptionValueFormatEntity::AutoComplete(CommandInterpreter &interpreter,
|
|
CompletionRequest &request) {
|
|
return FormatEntity::AutoComplete(request);
|
|
}
|