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Add xeus-c-lite-demo.ipynb #421

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281 changes: 281 additions & 0 deletions notebooks/xeus-c-lite-demo.ipynb
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{
"metadata": {
"kernelspec": {
"name": "xc23",
"display_name": "C",
"language": "c"
},
"language_info": {
"codemirror_mode": "text/x-c++src",
"file_extension": ".cpp",
"mimetype": "text/x-c++src",
"name": "C++",
"version": "0"
}
},
"nbformat_minor": 5,
"nbformat": 4,
"cells": [
{
"id": "aa9d4f33-5bd8-42f2-918a-e654d4363577",
"cell_type": "markdown",
"source": "<center>\n <h1>C kernel based on xeus</h1>\n</center>\n\nA Jupyter kernel for C based on the `CppInterOp`, a clang based C++ Interoperability Library and the `xeus` native implementation of the Jupyter protocol, xeus.\n\n- GitHub repository: https://github.com/compiler-research/xeus-cpp\n- Documentation: https://xeus-cpp.readthedocs.io/en/latest/",
"metadata": {}
},
{
"id": "9af8aa44-7786-47b6-b94b-8579470acb3a",
"cell_type": "markdown",
"source": "## Usage\n\n<div style=\"background: #efffed;\n border: 1px solid grey;\n margin: 8px 0 8px 0;\n text-align: center;\n padding: 8px; \">\n <i class=\"fa-play fa\" \n style=\"font-size: 40px;\n line-height: 40px;\n margin: 8px;\n color: #444;\">\n </i>\n <div>\n To run the selected code cell, hit <pre style=\"background: #efffed\">Shift + Enter</pre>\n </div>\n</div>",
"metadata": {
"jp-MarkdownHeadingCollapsed": true
}
},
{
"id": "be1c8c6c-3fbe-4f53-9deb-8496c43d26ad",
"cell_type": "markdown",
"source": "## Output and Error streams\n\n`stdout` and `stderr` are redirected to the notebook frontend.",
"metadata": {}
},
{
"id": "9bd7f767-6c22-4a1b-a1e2-cd4184fd0367",
"cell_type": "code",
"source": "#include <stdio.h>\n\nputs(\"some output\");",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "some output\n"
}
],
"execution_count": 1
},
{
"id": "9622f20f-5925-4544-a97b-aada3a14209a",
"cell_type": "code",
"source": "perror(\"some error\");",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [],
"execution_count": 2
},
{
"id": "7af0c962-17dc-47d4-9772-b8a06e2bda3a",
"cell_type": "code",
"source": "int j = 5;\nprintf(\"%d\\n\", j);",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "5\n"
}
],
"execution_count": 3
},
{
"id": "a39c7021-ee9f-442e-8ea3-63ca23aa5d46",
"cell_type": "markdown",
"source": "# Interpreting the C programming language\n# You can define functions, structs, etc ...",
"metadata": {}
},
{
"id": "e5b116ce-ced1-4aa4-b14e-ef7d2606202e",
"cell_type": "markdown",
"source": "## Functions",
"metadata": {}
},
{
"id": "86b08f22-e16c-4eac-917d-ae6eeb7ec7cb",
"cell_type": "code",
"source": "double sqr(double a)\n{\n return a * a;\n}",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [],
"execution_count": 4
},
{
"id": "5aff6711-54bf-4280-a496-c9f7c683eee5",
"cell_type": "code",
"source": "double a = 2.5;\ndouble asqr;\nasqr = sqr(a);\nprintf(\"%lf\\n\", asqr);",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "6.250000\n"
}
],
"execution_count": 5
},
{
"id": "5b3959b0-9dc7-41a4-bba1-e20abd0765f7",
"cell_type": "markdown",
"source": "## Structs",
"metadata": {}
},
{
"id": "d981a53b-8185-49c5-8a30-02453cc1b9e9",
"cell_type": "code",
"source": "struct foo\n{\n double value;\n};\n\nvoid foo_print(struct foo f)\n{\n printf(\"Foo value = %lf\\n\", f.value);\n}",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [],
"execution_count": 6
},
{
"id": "195d513f-d5cb-4e3d-a6cb-ae99dfcd9aab",
"cell_type": "code",
"source": "struct foo bar = {.value = 1.2};\nfoo_print(bar);",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Foo value = 1.200000\n"
}
],
"execution_count": 7
},
{
"id": "6ce20171-18cb-4373-874b-89e6a2d2e425",
"cell_type": "markdown",
"source": "## Documentation\n\n - Documentation for types of the standard library is retrieved on cppreference.com.",
"metadata": {}
},
{
"id": "c723686c-a70b-4e68-a175-b2224f0616aa",
"cell_type": "code",
"source": "?printf",
"metadata": {
"trusted": true,
"vscode": {
"languageId": "c++"
}
},
"outputs": [
{
"output_type": "display_data",
"data": {
"text/html": "<style>\n #pager-container {\n padding: 0;\n margin: 0;\n width: 100%;\n height: 100%;\n }\n .xcpp-iframe-pager {\n padding: 0;\n margin: 0;\n width: 100%;\n height: 100%;\n border: none;\n }\n </style>\n <iframe class=\"xcpp-iframe-pager\" src=\"https://en.cppreference.com/w/cpp/io/c/fprintf?action=purge\"></iframe>",
"text/plain": "https://en.cppreference.com/w/cpp/io/c/fprintf"
},
"metadata": {}
}
],
"execution_count": 8
},
{
"id": "73aa865d-f643-4b72-9701-f6e312914690",
"cell_type": "markdown",
"source": "# Taking input from the user",
"metadata": {}
},
{
"id": "6efd2bbc-525a-4659-9431-aefc819e8cb7",
"cell_type": "code",
"source": "#include <string.h>\n\nchar name[BUFSIZ];\nif (fgets(name, sizeof(name), stdin) != NULL)\n{\n name[strcspn(name, \"\\n\")] = '\\0';\n}",
"metadata": {
"trusted": true
},
"outputs": [],
"execution_count": 9
},
{
"id": "8ec65830-4cb5-4d01-a860-f6c46ac4f60f",
"cell_type": "code",
"source": "printf(\"Your name is %s\\n\", name);",
"metadata": {
"trusted": true
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Your name is \n"
}
],
"execution_count": 10
},
{
"id": "662e4153-898b-46be-b6fe-eb2cc7981923",
"cell_type": "markdown",
"source": "## Another sample using external (LocalStorage) file.",
"metadata": {}
},
{
"id": "1696cdd8-7d62-49ec-be53-309253ce1c67",
"cell_type": "code",
"source": "%%file input.txt\nXeus Cpp WASM",
"metadata": {
"trusted": true
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Overwriting input.txt\n"
}
],
"execution_count": 11
},
{
"id": "d0589ce1-52f8-46a9-9fac-d4531b89001b",
"cell_type": "code",
"source": "#include <stdlib.h>\n\nFILE* in;\nin = fopen(\"input.txt\", \"r\");\n\nfscanf(in, \"%255[^\\n]\", name);\nprintf(\"%s\\n\", name);\n\nfclose(in);",
"metadata": {
"trusted": true
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Xeus Cpp WASM\n"
}
],
"execution_count": 12
},
{
"id": "b1c16911-f62f-49e1-a73c-0916b7d07503",
"cell_type": "code",
"source": "",
"metadata": {
"trusted": true
},
"outputs": [],
"execution_count": null
}
]
}
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