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[WIP] Type Hints for C++ object wrapped by cppyy #133

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[WIP] Type Hints for C++ object wrapped by cppyy #133

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10c0c43
initial implementation of typehints
Vipul-Cariappa Sep 1, 2025
6b55263
impl namespaces, templated functions & classes
Vipul-Cariappa Sep 2, 2025
0713863
self argument fix
Vipul-Cariappa Sep 3, 2025
0ba2088
extract comments
Vipul-Cariappa Sep 4, 2025
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3 changes: 3 additions & 0 deletions src/CPyCppyyModule.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
#include "PyStrings.h"
#include "TemplateProxy.h"
#include "TupleOfInstances.h"
#include "TypeHints.h"
#include "Utility.h"

#define CPYCPPYY_INTERNAL 1
Expand Down Expand Up @@ -1060,6 +1061,8 @@ static PyMethodDef gCPyCppyyMethods[] = {
METH_NOARGS, (char*) "Begin capturing stderr to a in memory buffer."},
{(char*) "_end_capture_stderr", (PyCFunction)EndCaptureStderr,
METH_NOARGS, (char*) "End capturing stderr and returns the captured buffer."},
{(char*) "generate_typehints", (PyCFunction)generate_typehints,
METH_VARARGS, (char*) "Generates typehits (.pyi file) for the given C/C++ type name."},
{nullptr, nullptr, 0, nullptr}
};

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18 changes: 18 additions & 0 deletions src/Cppyy.h
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Expand Up @@ -90,6 +90,8 @@ namespace Cppyy {
CPPYY_IMPORT
TCppScope_t GetTypeScope(TCppScope_t klass);
CPPYY_IMPORT
std::string GetDoc(TCppScope_t scope);
CPPYY_IMPORT
TCppScope_t GetNamed(const std::string& scope_name,
TCppScope_t parent_scope = 0);
CPPYY_IMPORT
Expand Down Expand Up @@ -179,8 +181,16 @@ namespace Cppyy {
CPPYY_IMPORT
bool IsNamespace(TCppScope_t scope);
CPPYY_IMPORT
bool IsPureNamespace(TCppScope_t scope);
CPPYY_IMPORT
bool IsClass(TCppScope_t scope);
CPPYY_IMPORT
bool IsFunction(TCppScope_t handle);
CPPYY_IMPORT
bool IsMethod(TCppScope_t handle);
CPPYY_IMPORT
bool IsTemplateClass(TCppScope_t handle);
CPPYY_IMPORT
bool IsTemplate(TCppScope_t handle);
CPPYY_IMPORT
bool IsTemplateInstantiation(TCppScope_t handle);
Expand Down Expand Up @@ -262,10 +272,14 @@ namespace Cppyy {
CPPYY_IMPORT
std::string GetMethodReturnTypeAsString(TCppMethod_t);
CPPYY_IMPORT
TCppIndex_t GetTemplateNumArgs(TCppScope_t);;
CPPYY_IMPORT
TCppIndex_t GetMethodNumArgs(TCppMethod_t);
CPPYY_IMPORT
TCppIndex_t GetMethodReqArgs(TCppMethod_t);
CPPYY_IMPORT
std::string GetTemplateArgName(TCppMethod_t, TCppIndex_t iarg);
CPPYY_IMPORT
std::string GetMethodArgName(TCppMethod_t, TCppIndex_t iarg);
CPPYY_IMPORT
TCppType_t GetMethodArgType(TCppMethod_t, TCppIndex_t iarg);
Expand All @@ -292,6 +306,8 @@ namespace Cppyy {
CPPYY_IMPORT
bool ExistsMethodTemplate(TCppScope_t scope, const std::string& name);
CPPYY_IMPORT
bool IsPureTemplatedMethod(TCppMethod_t method);
CPPYY_IMPORT
bool IsTemplatedMethod(TCppMethod_t method);
CPPYY_IMPORT
bool IsStaticTemplate(TCppScope_t scope, const std::string& name);
Expand Down Expand Up @@ -331,6 +347,8 @@ namespace Cppyy {
CPPYY_IMPORT
TCppScope_t AdaptFunctionForLambdaReturn(TCppScope_t fn);
CPPYY_IMPORT
void GetMemberInNamespace(TCppScope_t ns, std::vector<TCppScope_t>& members);
CPPYY_IMPORT
TCppType_t GetDatamemberType(TCppScope_t var);
CPPYY_IMPORT
std::string GetTypeAsString(TCppType_t type);
Expand Down
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