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//===-- TypeSummary.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-public.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/DataFormatters/ValueObjectPrinter.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Symbol/CompilerType.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
TypeSummaryOptions::TypeSummaryOptions()
: m_lang(eLanguageTypeUnknown), m_capping(eTypeSummaryCapped) {}
TypeSummaryOptions::TypeSummaryOptions(const TypeSummaryOptions &rhs)
: m_lang(rhs.m_lang), m_capping(rhs.m_capping) {}
TypeSummaryOptions &TypeSummaryOptions::
operator=(const TypeSummaryOptions &rhs) {
m_lang = rhs.m_lang;
m_capping = rhs.m_capping;
return *this;
}
lldb::LanguageType TypeSummaryOptions::GetLanguage() const { return m_lang; }
lldb::TypeSummaryCapping TypeSummaryOptions::GetCapping() const {
return m_capping;
}
TypeSummaryOptions &TypeSummaryOptions::SetLanguage(lldb::LanguageType lang) {
m_lang = lang;
return *this;
}
TypeSummaryOptions &
TypeSummaryOptions::SetCapping(lldb::TypeSummaryCapping cap) {
m_capping = cap;
return *this;
}
TypeSummaryImpl::TypeSummaryImpl(Kind kind, const TypeSummaryImpl::Flags &flags)
: m_flags(flags), m_kind(kind) {}
StringSummaryFormat::StringSummaryFormat(const TypeSummaryImpl::Flags &flags,
const char *format_cstr)
: TypeSummaryImpl(Kind::eSummaryString, flags), m_format_str() {
SetSummaryString(format_cstr);
}
void StringSummaryFormat::SetSummaryString(const char *format_cstr) {
m_format.Clear();
if (format_cstr && format_cstr[0]) {
m_format_str = format_cstr;
m_error = FormatEntity::Parse(format_cstr, m_format);
} else {
m_format_str.clear();
m_error.Clear();
}
}
bool StringSummaryFormat::FormatObject(ValueObject *valobj, std::string &retval,
const TypeSummaryOptions &options) {
if (!valobj) {
retval.assign("NULL ValueObject");
return false;
}
StreamString s;
ExecutionContext exe_ctx(valobj->GetExecutionContextRef());
SymbolContext sc;
StackFrame *frame = exe_ctx.GetFramePtr();
if (frame)
sc = frame->GetSymbolContext(lldb::eSymbolContextEverything);
if (IsOneLiner()) {
ValueObjectPrinter printer(valobj, &s, DumpValueObjectOptions());
printer.PrintChildrenOneLiner(HideNames(valobj));
retval = s.GetString();
return true;
} else {
if (FormatEntity::Format(m_format, s, &sc, &exe_ctx,
&sc.line_entry.range.GetBaseAddress(), valobj,
false, false)) {
retval.assign(s.GetString());
return true;
} else {
retval.assign("error: summary string parsing error");
return false;
}
}
}
std::string StringSummaryFormat::GetDescription() {
StreamString sstr;
sstr.Printf("`%s`%s%s%s%s%s%s%s%s%s", m_format_str.c_str(),
m_error.Fail() ? " error: " : "",
m_error.Fail() ? m_error.AsCString() : "",
Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "");
return sstr.GetString();
}
CXXFunctionSummaryFormat::CXXFunctionSummaryFormat(
const TypeSummaryImpl::Flags &flags, Callback impl, const char *description)
: TypeSummaryImpl(Kind::eCallback, flags), m_impl(impl),
m_description(description ? description : "") {}
bool CXXFunctionSummaryFormat::FormatObject(ValueObject *valobj,
std::string &dest,
const TypeSummaryOptions &options) {
dest.clear();
StreamString stream;
if (!m_impl || !m_impl(*valobj, stream, options))
return false;
dest = stream.GetString();
return true;
}
std::string CXXFunctionSummaryFormat::GetDescription() {
StreamString sstr;
sstr.Printf("%s%s%s%s%s%s%s %s", Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "",
m_description.c_str());
return sstr.GetString();
}
ScriptSummaryFormat::ScriptSummaryFormat(const TypeSummaryImpl::Flags &flags,
const char *function_name,
const char *python_script)
: TypeSummaryImpl(Kind::eScript, flags), m_function_name(),
m_python_script(), m_script_function_sp() {
if (function_name)
m_function_name.assign(function_name);
if (python_script)
m_python_script.assign(python_script);
}
bool ScriptSummaryFormat::FormatObject(ValueObject *valobj, std::string &retval,
const TypeSummaryOptions &options) {
if (!valobj)
return false;
TargetSP target_sp(valobj->GetTargetSP());
if (!target_sp) {
retval.assign("error: no target");
return false;
}
ScriptInterpreter *script_interpreter =
target_sp->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
if (!script_interpreter) {
retval.assign("error: no ScriptInterpreter");
return false;
}
return script_interpreter->GetScriptedSummary(
m_function_name.c_str(), valobj->GetSP(), m_script_function_sp, options,
retval);
}
std::string ScriptSummaryFormat::GetDescription() {
StreamString sstr;
sstr.Printf("%s%s%s%s%s%s%s\n ", Cascades() ? "" : " (not cascading)",
!DoesPrintChildren(nullptr) ? "" : " (show children)",
!DoesPrintValue(nullptr) ? " (hide value)" : "",
IsOneLiner() ? " (one-line printout)" : "",
SkipsPointers() ? " (skip pointers)" : "",
SkipsReferences() ? " (skip references)" : "",
HideNames(nullptr) ? " (hide member names)" : "");
if (m_python_script.empty()) {
if (m_function_name.empty()) {
sstr.PutCString("no backing script");
} else {
sstr.PutCString(m_function_name);
}
} else {
sstr.PutCString(m_python_script);
}
return sstr.GetString();
}
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