#include <Python.h>

#include <assert.h>

#include <stdlib.h>

#include <unistd.h>

#include "pyutil.h"

#include <fuzzer/FuzzedDataProvider.h>

#include <iostream>

#include <string>

extern "C" {

static PyCodeObject *code;

extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)

{

	contrib::initpy(*argv[0]);

	code = (PyCodeObject *)Py_CompileString(R"py(

from parsers import jsonescapeu8fast

try:

    jsonescapeu8fast(data, paranoid)

except Exception as e:

    pass

    # uncomment this print if you're editing this Python code

    # to debug failures.

    # print(e)

)py",

	                                        "fuzzer", Py_file_input);

	if (!code) {

		std::cerr << "failed to compile Python code!" << std::endl;

	}

	return 0;

}

int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)

{

	FuzzedDataProvider provider(Data, Size);

	bool paranoid = provider.ConsumeBool();

	std::string remainder = provider.ConsumeRemainingBytesAsString();

	PyObject *mtext = PyBytes_FromStringAndSize(

	    (const char *)remainder.c_str(), remainder.size());

	PyObject *locals = PyDict_New();

	PyDict_SetItemString(locals, "data", mtext);

	PyDict_SetItemString(locals, "paranoid", paranoid ? Py_True : Py_False);

	PyObject *res = PyEval_EvalCode(code, contrib::pyglobals(), locals);

	if (!res) {

		PyErr_Print();

	}

	Py_XDECREF(res);

	Py_DECREF(locals);

	Py_DECREF(mtext);

	return 0; // Non-zero return values are reserved for future use.

}

}