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//===-- LanguageRuntime.h ---------------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_LanguageRuntime_h_
#define liblldb_LanguageRuntime_h_
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-public.h"
#include "lldb/Breakpoint/BreakpointResolver.h"
#include "lldb/Breakpoint/BreakpointResolverName.h"
#include "lldb/Core/PluginInterface.h"
#include "lldb/lldb-private.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Core/Value.h"
#include "lldb/Target/ExecutionContextScope.h"
#include "lldb/Expression/LLVMUserExpression.h"
#include "clang/Basic/TargetOptions.h"
namespace lldb_private {
class LanguageRuntime :
public PluginInterface
{
public:
~LanguageRuntime() override;
static LanguageRuntime*
FindPlugin (Process *process, lldb::LanguageType language);
static void
InitializeCommands (CommandObject* parent);
virtual lldb::LanguageType
GetLanguageType () const = 0;
virtual bool
GetObjectDescription (Stream &str, ValueObject &object) = 0;
virtual bool
GetObjectDescription (Stream &str, Value &value, ExecutionContextScope *exe_scope) = 0;
// this call should return true if it could set the name and/or the type
virtual bool
GetDynamicTypeAndAddress (ValueObject &in_value,
lldb::DynamicValueType use_dynamic,
TypeAndOrName &class_type_or_name,
Address &address,
Value::ValueType &value_type) = 0;
// This call should return a CompilerType given a generic type name
// and an ExecutionContextScope in which one can actually fetch
// any specialization information required.
virtual CompilerType
GetConcreteType (ExecutionContextScope *exe_scope,
ConstString abstract_type_name)
{
return CompilerType();
}
// This should be a fast test to determine whether it is likely that this value would
// have a dynamic type.
virtual bool
CouldHaveDynamicValue (ValueObject &in_value) = 0;
// The contract for GetDynamicTypeAndAddress() is to return a "bare-bones" dynamic type
// For instance, given a Base* pointer, GetDynamicTypeAndAddress() will return the type of
// Derived, not Derived*. The job of this API is to correct this misalignment between the
// static type and the discovered dynamic type
virtual TypeAndOrName
FixUpDynamicType (const TypeAndOrName& type_and_or_name,
ValueObject& static_value) = 0;
virtual void
SetExceptionBreakpoints ()
{
}
virtual void
ClearExceptionBreakpoints ()
{
}
virtual bool
ExceptionBreakpointsAreSet ()
{
return false;
}
virtual bool
ExceptionBreakpointsExplainStop (lldb::StopInfoSP stop_reason)
{
return false;
}
static lldb::BreakpointSP
CreateExceptionBreakpoint (Target &target,
lldb::LanguageType language,
bool catch_bp,
bool throw_bp,
bool is_internal = false);
static Breakpoint::BreakpointPreconditionSP
CreateExceptionPrecondition (lldb::LanguageType language,
bool catch_bp,
bool throw_bp);
Process *
GetProcess()
{
return m_process;
}
Target&
GetTargetRef()
{
return m_process->GetTarget();
}
virtual lldb::BreakpointResolverSP
CreateExceptionResolver (Breakpoint *bkpt, bool catch_bp, bool throw_bp) = 0;
virtual lldb::SearchFilterSP
CreateExceptionSearchFilter ();
virtual bool
GetTypeBitSize (const CompilerType& compiler_type,
uint64_t &size)
{
return false;
}
virtual bool
IsRuntimeSupportValue (ValueObject& valobj)
{
return false;
}
virtual void
ModulesDidLoad (const ModuleList &module_list)
{
}
// Called by the Clang expression evaluation engine to allow runtimes to alter the set of target options provided to
// the compiler.
// If the options prototype is modified, runtimes must return true, false otherwise.
virtual bool
GetOverrideExprOptions(clang::TargetOptions &prototype)
{
return false;
}
// Called by ClangExpressionParser::PrepareForExecution to query for any custom LLVM IR passes
// that need to be run before an expression is assembled and run.
virtual bool
GetIRPasses(LLVMUserExpression::IRPasses &custom_passes)
{
return false;
}
protected:
//------------------------------------------------------------------
// Classes that inherit from LanguageRuntime can see and modify these
//------------------------------------------------------------------
LanguageRuntime(Process *process);
Process *m_process;
private:
DISALLOW_COPY_AND_ASSIGN (LanguageRuntime);
};
} // namespace lldb_private
#endif // liblldb_LanguageRuntime_h_
|
