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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
//===-- OptionValueFormatEntity.cpp -----------------------------*- C++ -*-===//
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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/OptionValueFormatEntity.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Utility/Stream.h"
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#include "lldb/Utility/StringList.h"
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using namespace lldb;
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using namespace lldb_private;
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OptionValueFormatEntity::OptionValueFormatEntity(const char *default_format)
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: OptionValue(), m_current_format(), m_default_format(), m_current_entry(),
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m_default_entry() {
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if (default_format && default_format[0]) {
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llvm::StringRef default_format_str(default_format);
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Status error = FormatEntity::Parse(default_format_str, m_default_entry);
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if (error.Success()) {
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m_default_format = default_format;
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m_current_format = default_format;
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m_current_entry = m_default_entry;
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}
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}
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}
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bool OptionValueFormatEntity::Clear() {
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m_current_entry = m_default_entry;
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m_current_format = m_default_format;
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m_value_was_set = false;
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return true;
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}
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static void EscapeBackticks(llvm::StringRef str, std::string &dst) {
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dst.clear();
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dst.reserve(str.size());
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for (size_t i = 0, e = str.size(); i != e; ++i) {
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char c = str[i];
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if (c == '`') {
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if (i == 0 || str[i - 1] != '\\')
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dst += '\\';
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}
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dst += c;
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}
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}
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void OptionValueFormatEntity::DumpValue(const ExecutionContext *exe_ctx,
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Stream &strm, uint32_t dump_mask) {
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if (dump_mask & eDumpOptionType)
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strm.Printf("(%s)", GetTypeAsCString());
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if (dump_mask & eDumpOptionValue) {
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if (dump_mask & eDumpOptionType)
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strm.PutCString(" = ");
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std::string escaped;
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EscapeBackticks(m_current_format, escaped);
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strm << '"' << escaped << '"';
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}
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}
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Status OptionValueFormatEntity::SetValueFromString(llvm::StringRef value_str,
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VarSetOperationType op) {
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Status error;
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switch (op) {
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case eVarSetOperationClear:
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Clear();
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NotifyValueChanged();
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break;
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case eVarSetOperationReplace:
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case eVarSetOperationAssign: {
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// Check if the string starts with a quote character after removing leading
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// and trailing spaces. If it does start with a quote character, make sure
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// it ends with the same quote character and remove the quotes before we
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// parse the format string. If the string doesn't start with a quote, leave
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// the string alone and parse as is.
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llvm::StringRef trimmed_value_str = value_str.trim();
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if (!trimmed_value_str.empty()) {
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const char first_char = trimmed_value_str[0];
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if (first_char == '"' || first_char == '\'') {
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const size_t trimmed_len = trimmed_value_str.size();
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if (trimmed_len == 1 || value_str[trimmed_len - 1] != first_char) {
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error.SetErrorStringWithFormat("mismatched quotes");
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return error;
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}
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value_str = trimmed_value_str.substr(1, trimmed_len - 2);
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}
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}
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FormatEntity::Entry entry;
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error = FormatEntity::Parse(value_str, entry);
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if (error.Success()) {
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m_current_entry = std::move(entry);
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m_current_format = value_str;
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m_value_was_set = true;
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NotifyValueChanged();
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}
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} break;
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case eVarSetOperationInsertBefore:
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case eVarSetOperationInsertAfter:
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case eVarSetOperationRemove:
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case eVarSetOperationAppend:
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case eVarSetOperationInvalid:
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error = OptionValue::SetValueFromString(value_str, op);
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break;
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}
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return error;
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}
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lldb::OptionValueSP OptionValueFormatEntity::DeepCopy() const {
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return OptionValueSP(new OptionValueFormatEntity(*this));
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}
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size_t OptionValueFormatEntity::AutoComplete(CommandInterpreter &interpreter,
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CompletionRequest &request) {
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return FormatEntity::AutoComplete(request);
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}
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