xref: /external/lldb/include/lldb/Target/LanguageRuntime.h

//===-- 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"

namespace lldb_private {

class LanguageRuntime :
    public PluginInterface
{
public:
    virtual
    ~LanguageRuntime();

    static LanguageRuntime*
    FindPlugin (Process *process, lldb::LanguageType language);

    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) = 0;

    // 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;

    virtual void
    SetExceptionBreakpoints ()
    {
    }

    virtual void
    ClearExceptionBreakpoints ()
    {
    }

    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 lldb::LanguageType
    GetLanguageTypeFromString (const char *string);

    static const char *
    GetNameForLanguageType (lldb::LanguageType language);

    Process *
    GetProcess()
    {
        return m_process;
    }

    virtual lldb::BreakpointResolverSP
    CreateExceptionResolver (Breakpoint *bkpt, bool catch_bp, bool throw_bp) = 0;

    virtual lldb::SearchFilterSP
    CreateExceptionSearchFilter ();

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_