lpython/src/libasr/utils2.cpp at main · Viocid/lpython · GitHub

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#ifdef _WIN32

#define NOMINMAX

#include <windows.h>

#endif

#include <iostream>

#include <fstream>

#include <filesystem>

#include <random>

#include <sstream>

#include <libasr/exception.h>

#include <libasr/utils.h>

#include <libasr/string_utils.h>

namespace LCompilers {

std::string get_unique_ID() {

static std::random_device dev;

static std::mt19937 rng(dev());

std::uniform_int_distribution<int> dist(0, 61);

const std::string v =

"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

std::string res;

for (int i = 0; i < 22; i++) {

res += v[dist(rng)];

}

return res;

}

bool read_file(const std::string &filename, std::string &text)

{

std::ifstream ifs(filename.c_str(), std::ios::in | std::ios::binary

| std::ios::ate);

std::ifstream::pos_type filesize = ifs.tellg();

if (filesize < 0) return false;

ifs.seekg(0, std::ios::beg);

std::vector<char> bytes(filesize);

ifs.read(&bytes[0], filesize);

text = std::string(&bytes[0], filesize);

return true;

}

bool present(Vec<char*> &v, const char* name) {

for (auto &a : v) {

if (std::string(a) == std::string(name)) {

return true;

}

return false;

}

bool present(char** const v, size_t n, const std::string name) {

for (size_t i = 0; i < n; i++) {

if (std::string(v[i]) == name) {

return true;

}

return false;

}

int visualize_json(std::string &astr_data_json, LCompilers::Platform os) {

using namespace LCompilers;

std::hash<std::string> hasher;

std::string file_name = "visualize" + std::to_string(hasher(astr_data_json)) + ".html";

std::ofstream out;

out.open(file_name);

out << LCompilers::generate_visualize_html(astr_data_json);

out.close();

std::string open_cmd = "";

switch (os) {

case Linux: open_cmd = "xdg-open"; break;

case Windows: open_cmd = "start"; break;

case macOS_Intel:

case macOS_ARM: open_cmd = "open"; break;

default:

std::cerr << "Unsupported Platform " << pf2s(os) <<std::endl;

std::cerr << "Please open file " << file_name << " manually" <<std::endl;

return 11;

}

std::string cmd = open_cmd + " " + file_name;

int err = system(cmd.data());

if (err) {

std::cout << "The command '" + cmd + "' failed." << std::endl;

return 11;

}

return 0;

}

std::string generate_visualize_html(std::string &astr_data_json) {

std::stringstream out;

out << R"(<!DOCTYPE html>

<html>

<head>

<title>LCompilers AST/R Visualization</title>

<script> )";

out << "var astr_data = " << astr_data_json << "; </script>\n";

out << R"(</head>

function TreeNode({ node }) {

if (node.literals.length === 0) return <p><b>{node.node}</b></p>;

return (

<div>

{

node.literals.map((val, idx) => <p style={{ margin: "0px", padding: "1px" }} key={idx}>{val[0]}: {val[1]}</p>)

}

</div>

);

}

const getLayoutedElements = (nodes, edges, direction = 'TB') => {

const nodeWidth = 180;

const isHorizontal = direction === 'LR';

const dagreGraph = new dagre.graphlib.Graph();

dagreGraph.setDefaultEdgeLabel(() => ({}));

dagreGraph.setGraph({ rankdir: direction });

nodes.forEach(node => dagreGraph.setNode(node.id, { width: nodeWidth, height: node.nodeHeight }));

edges.forEach(edge => dagreGraph.setEdge(edge.source, edge.target));

dagre.layout(dagreGraph);

nodes.forEach((node) => {

const nodeWithPosition = dagreGraph.node(node.id);

node.targetPosition = isHorizontal ? 'left' : 'top';

node.sourcePosition = isHorizontal ? 'right' : 'bottom';

// Shifting the dagre node position (anchor=center center) to the top left

// so it matches the React Flow node anchor point (top left).

node.position = {

x: nodeWithPosition.x - nodeWidth / 2,

y: nodeWithPosition.y - node.nodeHeight / 2,

};

return node;

});

return [nodes, edges];

};

class Graph {

constructor() {

this.nodes = [];

this.edges = [];

this.idx = 1;

return this;

}

createNode(cur_node) {

cur_node.idx = this.idx++;

cur_node.literals = [];

let obj = cur_node.fields;

for (let prop in obj) {

let neigh = obj[prop];

if (typeof neigh === 'object') {

if (neigh.hasOwnProperty("node")) {

this.createEdge(cur_node.idx, neigh, prop);

} else {

if (neigh.length > 0) {

for (let i in neigh) {

let arrayElement = neigh[i];

if (typeof arrayElement === 'object') {

if (arrayElement.hasOwnProperty("node")) {

this.createEdge(cur_node.idx, arrayElement, `${prop}[${i}]`);

} else {

console.log("ERROR: Unexpected 2D Array found");

}

} else {

cur_node.literals.push([`${prop}[${i}]`, `${arrayElement}`]);

}

} else {

// 0 length array, show as literal

cur_node.literals.push([prop, "[]"]);

}

} else {

cur_node.literals.push([prop, `${neigh}`]);

}

this.nodes.push({ id: `${cur_node.idx}`, data: { label: <TreeNode node={cur_node} /> }, nodeHeight: 70 + 20 * (cur_node.literals.length) });

}

createEdge(parent_idx, cur_node, edge_label) {

this.edges.push({

id: `${parent_idx}-${this.idx}`,

source: `${parent_idx}`,

target: `${this.idx}`,

label: edge_label,

labelStyle: { fontWeight: 700 },

labelBgPadding: [8, 4],

labelBgStyle: { fill: '#FBBD23' },

});

this.createNode(cur_node);

}

function Flow({ nodes, edges }) {

return (

<ReactFlow.default

defaultNodes={nodes}

defaultEdges={edges}

style={{ backgroundColor: '#e5e7eb' }}

<ReactFlow.Background />

<ReactFlow.Controls />

<ReactFlow.MiniMap />

</ReactFlow.default>

</div>

);

}

function MyApp() {

var g = new Graph();

g.createNode(astr_data);

var [layoutedNodes, layoutedEdges] = getLayoutedElements(g.nodes, g.edges);

return (<Flow nodes={layoutedNodes} edges={layoutedEdges} />);

}

ReactDOM.render(<MyApp />, document.body);

</script>

</body>

</html>)";

return out.str();

}

std::string pf2s(Platform p) {

switch (p) {

case (Platform::Linux) : return "Linux";

case (Platform::macOS_Intel) : return "macOS Intel";

case (Platform::macOS_ARM) : return "macOS ARM";

case (Platform::Windows) : return "Windows";

case (Platform::FreeBSD) : return "FreeBSD";

case (Platform::OpenBSD) : return "OpenBSD";

}

return "Unsupported Platform";

}

Platform get_platform()

{

#if defined(_WIN32)

return Platform::Windows;

#elif defined(__APPLE__)

# ifdef __aarch64__

return Platform::macOS_ARM;

# else

return Platform::macOS_Intel;

# endif

#elif defined(__FreeBSD__)

return Platform::FreeBSD;

#elif defined(__OpenBSD__)

return Platform::OpenBSD;

#else

return Platform::Linux;

#endif

}

// Platform-specific initialization

// On Windows, enable colors in terminal. On other systems, do nothing.

// Return value: 0 on success, negative number on failure.

int initialize()

{

#ifdef _WIN32

HANDLE h_stdout = GetStdHandle(STD_OUTPUT_HANDLE);

if (h_stdout == INVALID_HANDLE_VALUE)

return -1;

DWORD mode;

if (! GetConsoleMode(h_stdout, &mode))

return -2;

mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;

if (! SetConsoleMode(h_stdout, mode))

return -3;

return 0;

#else

return 0;

#endif

}

} // namespace LCompilers

lpython/src/libasr/utils2.cpp at main · Viocid/lpython · GitHub

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