forked from OSchip/llvm-project
111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
//===-- OptionValueBoolean.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/OptionValueBoolean.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/Stream.h"
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#include "lldb/Core/StringList.h"
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#include "lldb/Host/PosixApi.h"
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#include "lldb/Interpreter/Args.h"
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#include "llvm/ADT/STLExtras.h"
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using namespace lldb;
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using namespace lldb_private;
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void OptionValueBoolean::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 & eDumpOptionName)
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// DumpQualifiedName (strm);
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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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strm.PutCString(m_current_value ? "true" : "false");
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}
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}
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Error OptionValueBoolean::SetValueFromString(llvm::StringRef value_str,
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VarSetOperationType op) {
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Error 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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bool success = false;
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bool value = Args::StringToBoolean(value_str, false, &success);
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if (success) {
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m_value_was_set = true;
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m_current_value = value;
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NotifyValueChanged();
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} else {
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if (value_str.size() == 0)
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error.SetErrorString("invalid boolean string value <empty>");
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else
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error.SetErrorStringWithFormat("invalid boolean string value: '%s'",
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value_str.str().c_str());
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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 OptionValueBoolean::DeepCopy() const {
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return OptionValueSP(new OptionValueBoolean(*this));
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}
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size_t OptionValueBoolean::AutoComplete(CommandInterpreter &interpreter,
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const char *s, 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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word_complete = false;
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matches.Clear();
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struct StringEntry {
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const char *string;
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const size_t length;
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};
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static const StringEntry g_autocomplete_entries[] = {
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{"true", 4}, {"false", 5}, {"on", 2}, {"off", 3},
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{"yes", 3}, {"no", 2}, {"1", 1}, {"0", 1},
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};
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const size_t k_num_autocomplete_entries =
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llvm::array_lengthof(g_autocomplete_entries);
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if (s && s[0]) {
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const size_t s_len = strlen(s);
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for (size_t i = 0; i < k_num_autocomplete_entries; ++i) {
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if (s_len <= g_autocomplete_entries[i].length)
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if (::strncasecmp(s, g_autocomplete_entries[i].string, s_len) == 0)
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matches.AppendString(g_autocomplete_entries[i].string);
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}
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} else {
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// only suggest "true" or "false" by default
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for (size_t i = 0; i < 2; ++i)
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matches.AppendString(g_autocomplete_entries[i].string);
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}
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return matches.GetSize();
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}
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