Page 23

Hello.c

#include
int main(int argc, char **argv)
{
printf("Hello C World\n");
return 0;
}

tasks.json

{
"tasks": [
{
"type": "cppbuild",
"label": "C/C++: gcc build active file",
"command": "/usr/bin/gcc",
"args": [
"-fdiagnostics-color=always",
"-g",
"${file}",
"-o",
"${fileDirname}/${fileBasenameNoExtension}"
],
"options": {
"cwd": "${fileDirname}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
},
"detail": "Task generated by Debugger."
}
],
"version": "2.0.0"
}

launch.json

{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "(gdb) Launch",
"type": "cppdbg",
"request": "launch",
"program": "enter program name, for example ${workspaceFolder}/a.out",
"args": [],
"stopAtEntry": false,
"cwd": "${fileDirname}",
"environment": [],
"externalConsole": false,
"MIMode": "gdb",
"setupCommands": [
{
"description": "Enable pretty-printing for gdb",
"text": "-enable-pretty-printing",
"ignoreFailures": true
},
{
"description": "Set Disassembly Flavor to Intel",
"text": "-gdb-set disassembly-flavor intel",
"ignoreFailures": true
}
]
}
]
}

Page 24

arith.c

#define PY_SSIZE_T_CLEAN
#include

static PyObject *add(PyObject *self, PyObject *args)
{
int x, y, sts;
if (!PyArg_ParseTuple(args, "ii", &x, &y))
return NULL;
sts = x + y;
return PyLong_FromLong(sts);
}

static PyMethodDef AddMethods[] = {
{"add", add, METH_VARARGS, "add two numbers"},
{NULL, NULL, 0, NULL} // sentinel
};

static struct PyModuleDef addmodule = {
PyModuleDef_HEAD_INIT,
"arith",
"C library for sum",
-1,
AddMethods};

PyMODINIT_FUNC PyInit_arith(void)
{
return PyModule_Create(&addmodule);
}

tasks.json

{
"tasks": [
{
"type": "cppbuild",
"label": "C/C++: gcc-10 build active file",
"command": "/usr/bin/gcc-10",
"args": [
"-fdiagnostics-color=always",
"-g",
"-shared",
"${file}",
"-o",
"arith.so",
"-I/usr/local/include/python3.11"
],
"options": {
"cwd": "${fileDirname}"
},
"problemMatcher": [
"$gcc"
],
"group": {
"kind": "build",
"isDefault": true
},
"detail": "Task generated by Debugger."
}
],
"version": "2.0.0"
}

c_cpp_properties.json

{
"configurations": [
{
"name": "Linux",
"includePath": [
"${workspaceFolder}/**",
"/usr/local/include/**"
],

"defines": [],
"compilerPath": "/usr/bin/gcc",
"cStandard": "c17",
"cppStandard": "gnu++14",
"intelliSenseMode": "linux-gcc-arm"
}
],
"version": 4
}

test.py

import arith
print(arith.add(1,2))
print(dir(arith))

Page 30

launch.json

{
"version": "0.2.0",
"configurations": [
{
"name": "Python: Current File",
"type": "python",
"request": "launch",
"program": "${file}",
"console": "integratedTerminal"
},
{
"name": "(gdb) Attach",
"type": "cppdbg",
"request": "attach",
"program": "/usr/local/bin/python3.11",
"processId": "${command:pickProcess}",
"MIMode": "gdb",
"setupCommands": [
{
"description": "Enable pretty-printing for gdb",
"text": "-enable-pretty-printing",
"ignoreFailures": true
}
]
}
]
}