forked from OSchip/llvm-project
141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
//===-- OptionValueFormatEntity.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/OptionValueFormatEntity.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/Core/Module.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/StringList.h"
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#include "lldb/Interpreter/CommandInterpreter.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(),
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m_current_format (),
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m_default_format (),
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m_current_entry (),
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m_default_entry ()
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{
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if (default_format && default_format[0])
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{
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llvm::StringRef default_format_str(default_format);
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Error error = FormatEntity::Parse(default_format_str, m_default_entry);
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if (error.Success())
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{
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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
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OptionValueFormatEntity::Clear ()
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{
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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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void
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OptionValueFormatEntity::DumpValue (const ExecutionContext *exe_ctx, Stream &strm, uint32_t dump_mask)
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{
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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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{
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if (dump_mask & eDumpOptionType)
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strm.PutCString (" = \"");
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strm << m_current_format.c_str() << '"';
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}
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}
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Error
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OptionValueFormatEntity::SetValueFromString (llvm::StringRef value_str,
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VarSetOperationType op)
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{
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Error error;
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switch (op)
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{
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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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{
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// Check if the string starts with a quote character after removing leading and trailing spaces.
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// If it does start with a quote character, make sure it ends with the same quote character
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// and remove the quotes before we parse the format string. If the string doesn't start with
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// a quote, leave 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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{
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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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{
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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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{
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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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{
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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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}
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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
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OptionValueFormatEntity::DeepCopy () const
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{
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return OptionValueSP(new OptionValueFormatEntity(*this));
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}
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size_t
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OptionValueFormatEntity::AutoComplete (CommandInterpreter &interpreter,
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const char *s,
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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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{
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return FormatEntity::AutoComplete (s, match_start_point, max_return_elements, word_complete, matches);
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}
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