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//===-- FormatClasses.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// C Includes
// C++ Includes
#include <ostream>
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-public.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/FormatClasses.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Core/ValueObjectConstResult.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Symbol/ClangASTType.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
std::string
ValueFormat::FormatObject(lldb::ValueObjectSP object)
{
if (!object.get())
return "NULL";
StreamString sstr;
if (ClangASTType::DumpTypeValue (object->GetClangAST(), // The clang AST
object->GetClangType(), // The clang type to display
&sstr,
m_format, // Format to display this type with
object->GetDataExtractor(), // Data to extract from
0, // Byte offset into "data"
object->GetByteSize(), // Byte size of item in "data"
object->GetBitfieldBitSize(), // Bitfield bit size
object->GetBitfieldBitOffset())) // Bitfield bit offset
return (sstr.GetString());
else
{
return ("unsufficient data for value");
}
}
std::string
StringSummaryFormat::FormatObject(lldb::ValueObjectSP object)
{
if (!object.get())
return "NULL";
StreamString s;
ExecutionContext exe_ctx;
object->GetExecutionContextScope()->CalculateExecutionContext(exe_ctx);
SymbolContext sc;
if (exe_ctx.frame)
sc = exe_ctx.frame->GetSymbolContext(lldb::eSymbolContextEverything);
if (m_show_members_oneliner)
{
ValueObjectSP synth_valobj = object->GetSyntheticValue(lldb::eUseSyntheticFilter);
const uint32_t num_children = synth_valobj->GetNumChildren();
if (num_children)
{
s.PutChar('(');
for (uint32_t idx=0; idx<num_children; ++idx)
{
lldb::ValueObjectSP child_sp(synth_valobj->GetChildAtIndex(idx, true));
if (child_sp.get())
{
if (idx)
s.PutCString(", ");
s.PutCString(child_sp.get()->GetName().AsCString());
s.PutChar('=');
child_sp.get()->GetPrintableRepresentation(s);
}
}
s.PutChar(')');
return s.GetString();
}
else
return "";
}
else
{
if (Debugger::FormatPrompt(m_format.c_str(), &sc, &exe_ctx, &sc.line_entry.range.GetBaseAddress(), s, NULL, object.get()))
return s.GetString();
else
return "";
}
}
std::string
StringSummaryFormat::GetDescription()
{
StreamString sstr;
sstr.Printf ("`%s`%s%s%s%s%s%s", m_format.c_str(),
m_cascades ? "" : " (not cascading)",
m_dont_show_children ? "" : " (show children)",
m_dont_show_value ? " (hide value)" : "",
m_show_members_oneliner ? " (one-line printout)" : "",
m_skip_pointers ? " (skip pointers)" : "",
m_skip_references ? " (skip references)" : "");
return sstr.GetString();
}
std::string
ScriptSummaryFormat::FormatObject(lldb::ValueObjectSP object)
{
lldb::ValueObjectSP target_object;
if (object->GetIsExpressionResult() &&
ClangASTContext::IsPointerType(object->GetClangType()) &&
object->GetValue().GetValueType() == Value::eValueTypeHostAddress)
{
// when using the expression parser, an additional layer of "frozen data"
// can be created, which is basically a byte-exact copy of the data returned
// by the expression, but in host memory. because Python code might need to read
// into the object memory in non-obvious ways, we need to hand it the target version
// of the expression output
lldb::addr_t tgt_address = object->GetValueAsUnsigned();
target_object = ValueObjectConstResult::Create (object->GetExecutionContextScope(),
object->GetClangAST(),
object->GetClangType(),
object->GetName(),
tgt_address,
eAddressTypeLoad,
object->GetUpdatePoint().GetProcessSP()->GetAddressByteSize());
}
else
target_object = object;
return std::string(ScriptInterpreterPython::CallPythonScriptFunction(m_function_name.c_str(),
target_object).c_str());
}
std::string
ScriptSummaryFormat::GetDescription()
{
StreamString sstr;
sstr.Printf ("%s%s%s%s%s%s\n%s", m_cascades ? "" : " (not cascading)",
m_dont_show_children ? "" : " (show children)",
m_dont_show_value ? " (hide value)" : "",
m_show_members_oneliner ? " (one-line printout)" : "",
m_skip_pointers ? " (skip pointers)" : "",
m_skip_references ? " (skip references)" : "",
m_python_script.c_str());
return sstr.GetString();
}
std::string
SyntheticFilter::GetDescription()
{
StreamString sstr;
sstr.Printf("%s%s%s {\n",
m_cascades ? "" : " (not cascading)",
m_skip_pointers ? " (skip pointers)" : "",
m_skip_references ? " (skip references)" : "");
for (int i = 0; i < GetCount(); i++)
{
sstr.Printf(" %s\n",
GetExpressionPathAtIndex(i).c_str());
}
sstr.Printf("}");
return sstr.GetString();
}
SyntheticScriptProvider::FrontEnd::FrontEnd(std::string pclass,
lldb::ValueObjectSP be) :
SyntheticChildrenFrontEnd(be),
m_python_class(pclass)
{
if (be.get() == NULL)
{
m_interpreter = NULL;
m_wrapper = NULL;
return;
}
if (be->GetIsExpressionResult() &&
ClangASTContext::IsPointerType(be->GetClangType()) &&
be->GetValue().GetValueType() == Value::eValueTypeHostAddress)
{
// when using the expression parser, an additional layer of "frozen data"
// can be created, which is basically a byte-exact copy of the data returned
// by the expression, but in host memory. because Python code might need to read
// into the object memory in non-obvious ways, we need to hand it the target version
// of the expression output
lldb::addr_t tgt_address = be->GetValueAsUnsigned();
m_backend = ValueObjectConstResult::Create (be->GetExecutionContextScope(),
be->GetClangAST(),
be->GetClangType(),
be->GetName(),
tgt_address,
eAddressTypeLoad,
be->GetUpdatePoint().GetProcessSP()->GetAddressByteSize());
}
m_interpreter = m_backend->GetUpdatePoint().GetTargetSP()->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
if (m_interpreter == NULL)
m_wrapper = NULL;
else
m_wrapper = (PyObject*)m_interpreter->CreateSyntheticScriptedProvider(m_python_class, m_backend);
}
std::string
SyntheticScriptProvider::GetDescription()
{
StreamString sstr;
sstr.Printf("%s%s%s Python class %s",
m_cascades ? "" : " (not cascading)",
m_skip_pointers ? " (skip pointers)" : "",
m_skip_references ? " (skip references)" : "",
m_python_class.c_str());
return sstr.GetString();
}
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