221 lines
8.5 KiB
C++
221 lines
8.5 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file interfaceMakerPythonNative.h
|
|
*/
|
|
|
|
#ifndef INTERFACEMAKERPYTHONNATIVE_H
|
|
#define INTERFACEMAKERPYTHONNATIVE_H
|
|
#include <map>
|
|
#include <set>
|
|
#include "dtoolbase.h"
|
|
|
|
#include "interfaceMakerPython.h"
|
|
#include "interrogate_interface.h"
|
|
#include "cppStructType.h"
|
|
|
|
class FunctionRemap;
|
|
|
|
/**
|
|
* An InterfaceMaker for generating complex Python function wrappers around
|
|
* C++ code.
|
|
*/
|
|
class InterfaceMakerPythonNative : public InterfaceMakerPython {
|
|
public:
|
|
InterfaceMakerPythonNative(InterrogateModuleDef *def);
|
|
virtual ~InterfaceMakerPythonNative();
|
|
|
|
|
|
virtual void write_prototypes(std::ostream &out, std::ostream *out_h);
|
|
void write_prototypes_class(std::ostream &out, std::ostream *out_h, Object *obj) ;
|
|
void write_prototypes_class_external(std::ostream &out, Object *obj);
|
|
|
|
virtual void write_functions(std::ostream &out);
|
|
|
|
virtual void write_module(std::ostream &out, std::ostream *out_h, InterrogateModuleDef *def);
|
|
virtual void write_module_support(std::ostream &out, std::ostream *out_h, InterrogateModuleDef *def);
|
|
|
|
void write_module_class(std::ostream &out, Object *cls);
|
|
virtual void write_sub_module(std::ostream &out, Object *obj);
|
|
|
|
virtual bool synthesize_this_parameter();
|
|
virtual bool separate_overloading();
|
|
|
|
virtual Object *record_object(TypeIndex type_index);
|
|
Property *record_property(const InterrogateType &itype, ElementIndex element_index);
|
|
|
|
protected:
|
|
virtual std::string get_wrapper_prefix();
|
|
virtual std::string get_unique_prefix();
|
|
virtual void record_function_wrapper(InterrogateFunction &ifunc,
|
|
FunctionWrapperIndex wrapper_index);
|
|
|
|
virtual void generate_wrappers();
|
|
|
|
private:
|
|
// This enum defines the various prototypes that must be generated for the
|
|
// specialty functions that Python requires, especially for the slotted
|
|
// functions.
|
|
enum WrapperType {
|
|
WT_none,
|
|
WT_no_params,
|
|
WT_one_param,
|
|
WT_binary_operator,
|
|
WT_setattr,
|
|
WT_getattr,
|
|
WT_sequence_getitem,
|
|
WT_sequence_setitem,
|
|
WT_sequence_size,
|
|
WT_mapping_setitem,
|
|
WT_inquiry,
|
|
WT_getbuffer,
|
|
WT_releasebuffer,
|
|
WT_iter_next,
|
|
WT_ternary_operator,
|
|
WT_inplace_binary_operator,
|
|
WT_inplace_ternary_operator,
|
|
WT_traverse,
|
|
WT_compare,
|
|
WT_hash,
|
|
};
|
|
|
|
// This enum is passed to the wrapper generation functions to indicate what
|
|
// sort of values the wrapper function is expected to return.
|
|
enum ReturnFlags {
|
|
// -1 on failure, 0 on success.
|
|
RF_int = 0x100,
|
|
|
|
// Like RF_int, but special case that it returns -1, 0, or 1.
|
|
RF_compare = RF_int | 0x200,
|
|
|
|
// Returns the actual return value as PyObject*.
|
|
RF_pyobject = 0x010,
|
|
|
|
// Returns a reference to self.
|
|
RF_self = 0x020,
|
|
|
|
// Assign to the coerced argument, in the case of a coercion constructor.
|
|
RF_coerced = 0x040,
|
|
|
|
// Don't automatically map NULL to None
|
|
RF_preserve_null = 0x080,
|
|
|
|
// These indicate what should be returned on error.
|
|
RF_err_notimplemented = 0x002,
|
|
RF_err_null = 0x004,
|
|
RF_err_false = 0x008,
|
|
|
|
// Decref temporary args object before returning.
|
|
RF_decref_args = 0x1000,
|
|
|
|
// This raises a KeyError on falsey (or -1) return value.
|
|
RF_raise_keyerror = 0x4000,
|
|
};
|
|
|
|
class SlottedFunctionDef {
|
|
public:
|
|
std::string _answer_location;
|
|
WrapperType _wrapper_type;
|
|
int _min_version = 0;
|
|
std::string _wrapper_name;
|
|
std::set<FunctionRemap*> _remaps;
|
|
bool _keep_method;
|
|
};
|
|
|
|
typedef std::map<std::string, SlottedFunctionDef> SlottedFunctions;
|
|
|
|
static bool get_slotted_function_def(Object *obj, Function *func, FunctionRemap *remap, SlottedFunctionDef &def);
|
|
static void write_function_slot(std::ostream &out, int indent_level,
|
|
const SlottedFunctions &slots,
|
|
const std::string &slot, const std::string &def = "nullptr");
|
|
|
|
void write_prototype_for_name(std::ostream &out, Function *func, const std::string &name);
|
|
void write_prototype_for(std::ostream &out, Function *func);
|
|
void write_function_for_top(std::ostream &out, Object *obj, Function *func);
|
|
|
|
void write_function_for_name(std::ostream &out, Object *obj,
|
|
const Function::Remaps &remaps,
|
|
const std::string &name, std::string &expected_params,
|
|
bool coercion_allowed,
|
|
ArgsType args_type, int return_flags);
|
|
void write_coerce_constructor(std::ostream &out, Object *obj, bool is_const);
|
|
|
|
int collapse_default_remaps(std::map<int, std::set<FunctionRemap *> > &map_sets,
|
|
int max_required_args);
|
|
|
|
void write_function_forset(std::ostream &out,
|
|
const std::set<FunctionRemap*> &remaps,
|
|
int min_num_args, int max_num_args,
|
|
std::string &expected_params, int indent_level,
|
|
bool coercion_allowed, bool report_errors,
|
|
ArgsType args_type, int return_flags,
|
|
bool check_exceptions = true,
|
|
bool verify_const = true,
|
|
const std::string &first_expr = std::string());
|
|
|
|
void write_function_instance(std::ostream &out, FunctionRemap *remap,
|
|
int min_num_args, int max_num_args,
|
|
std::string &expected_params, int indent_level,
|
|
bool coercion_allowed, bool report_errors,
|
|
ArgsType args_type, int return_flags,
|
|
bool check_exceptions = true,
|
|
const std::string &first_pexpr = std::string());
|
|
|
|
void error_return(std::ostream &out, int indent_level, int return_flags);
|
|
void error_raise_return(std::ostream &out, int indent_level, int return_flags,
|
|
const std::string &exc_type, const std::string &message,
|
|
const std::string &format_args = "");
|
|
void pack_return_value(std::ostream &out, int indent_level, FunctionRemap *remap,
|
|
std::string return_expr, int return_flags);
|
|
|
|
void write_make_seq(std::ostream &out, Object *obj, const std::string &ClassName,
|
|
const std::string &cClassName, MakeSeq *make_seq);
|
|
void write_getset(std::ostream &out, Object *obj, Property *property);
|
|
|
|
void write_class_prototypes(std::ostream &out) ;
|
|
void write_class_declarations(std::ostream &out, std::ostream *out_h, Object *obj);
|
|
void write_class_details(std::ostream &out, Object *obj);
|
|
|
|
public:
|
|
bool is_remap_legal(FunctionRemap *remap);
|
|
int has_coerce_constructor(CPPStructType *type);
|
|
bool is_remap_coercion_possible(FunctionRemap *remap);
|
|
bool is_function_legal(Function *func);
|
|
bool is_cpp_type_legal(CPPType *ctype);
|
|
bool isExportThisRun(CPPType *ctype);
|
|
bool isExportThisRun(Function *func);
|
|
bool isFunctionWithThis( Function *func);
|
|
bool IsRunTimeTyped(const InterrogateType &itype);
|
|
|
|
// comunicates the cast capabilites among methods..
|
|
struct CastDetails {
|
|
CPPStructType *_structType;
|
|
std::string _to_class_name;
|
|
std::string _up_cast_string;
|
|
bool _can_downcast;
|
|
bool _is_legal_py_class;
|
|
};
|
|
|
|
void get_valid_child_classes(std::map<std::string, CastDetails> &answer, CPPStructType *inclass, const std::string &upcast_seed = "", bool can_downcast = true);
|
|
bool DoesInheritFromIsClass(const CPPStructType * inclass, const std::string &name);
|
|
bool IsPandaTypedObject(CPPStructType * inclass) { return DoesInheritFromIsClass(inclass,"TypedObject"); };
|
|
void write_python_instance(std::ostream &out, int indent_level, const std::string &return_expr, bool owns_memory, const InterrogateType &itype, bool is_const);
|
|
bool has_get_class_type_function(CPPType *type);
|
|
bool has_init_type_function(CPPType *type);
|
|
int NeedsAStrFunction(const InterrogateType &itype_class);
|
|
int NeedsAReprFunction(const InterrogateType &itype_class);
|
|
bool NeedsARichCompareFunction(const InterrogateType &itype_class);
|
|
|
|
void output_quoted(std::ostream &out, int indent_level, const std::string &str,
|
|
bool first_line=true);
|
|
|
|
// stash the forward declarations for this compile pass..
|
|
std::set<CPPType *> _external_imports;
|
|
};
|
|
|
|
#endif
|