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d5f5475104
This patch adds new SBDebugger::GetSetting() API which enables client to access settings as SBStructedData. Implementation wise, a new ToJSON() virtual function is added to OptionValue class so that each concrete child class can override and provides its own JSON representation. This patch aims to define the APIs and implement a common set of OptionValue child classes, leaving the remaining for future patches. This patch is used later by auto deduce source map from source line breakpoint feature for testing generated source map entries. Differential Revision: https://reviews.llvm.org/D133038
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
//===-- OptionValueFormatEntity.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/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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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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void 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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}
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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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llvm::json::Value
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OptionValueFormatEntity::ToJSON(const ExecutionContext *exe_ctx) {
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std::string escaped;
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EscapeBackticks(m_current_format, escaped);
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return escaped;
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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.SetErrorString("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 = std::string(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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void OptionValueFormatEntity::AutoComplete(CommandInterpreter &interpreter,
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CompletionRequest &request) {
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FormatEntity::AutoComplete(request);
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}
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