PyCallable.h

Go to the documentation of this file.

#ifndef CPYRT_PYCALLABLE_H
#define CPYRT_PYCALLABLE_H
 
#include <climits>
 
// Bindings
#include "CallContext.h"
#include "cppjit_interop.h"
#include "cpyrt/Reflex.h"
 
namespace cppjit::cpyrt {
 
class CPPInstance;
 
class PyCallable {
public:
  virtual ~PyCallable() {}
 
public:
  virtual PyObject* GetSignature(bool show_formalargs = true) = 0;
  virtual PyObject* GetSignatureNames() = 0;
  virtual PyObject* GetSignatureTypes() = 0;
  virtual PyObject* GetPrototype(bool show_formalargs = true) = 0;
  virtual PyObject* GetTypeName() { return GetPrototype(false); }
  virtual PyObject* GetDocString() { return GetPrototype(); }
  virtual PyObject*
  Reflex(interop::Reflex::RequestId_t request,
         interop::Reflex::FormatId_t format = interop::Reflex::OPTIMAL) {
    PyErr_Format(PyExc_ValueError, "unsupported reflex request %d or format %d",
                 request, format);
    return nullptr;
  };
 
  virtual int GetPriority() = 0;
  virtual bool IsGreedy() = 0;
 
  virtual int GetMaxArgs() = 0;
  virtual PyObject* GetCoVarNames() = 0;
  virtual PyObject* GetArgDefault(int /* iarg */, bool silent = true) = 0;
  virtual bool IsConst() { return false; }
 
  virtual PyObject* GetScopeProxy() = 0;
  virtual interop::TCppFuncAddr_t GetFunctionAddress() = 0;
 
  virtual PyCallable* Clone() = 0;
 
  virtual int GetArgMatchScore(PyObject* /* args_tuple */) { return INT_MAX; }
 
  virtual bool
  IsSimilarFnType([[maybe_unused]] cppjit::interop::TCppType_t fn_type) {
    return false;
  }
 
public:
  virtual PyObject* Call(CPPInstance*& self, cpyrt_PyArgs_t args, size_t nargsf,
                         PyObject* kwds, CallContext* ctxt = nullptr) = 0;
};
 
} // namespace cppjit::cpyrt
 
#endif // !CPYRT_PYCALLABLE_H