mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 11:30:18 +00:00
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
#include <fstream>
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#include <filesystem>
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#include "pocketpy.h"
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#ifdef _WIN32
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#include <Windows.h>
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std::string getline(bool* eof=nullptr) {
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HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
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std::wstringstream wss;
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WCHAR buf;
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DWORD read;
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while (ReadConsoleW(hStdin, &buf, 1, &read, NULL) && buf != L'\n') {
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if(eof && buf == L'\x1A') *eof = true; // Ctrl+Z
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wss << buf;
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}
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std::wstring wideInput = wss.str();
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int length = WideCharToMultiByte(CP_UTF8, 0, wideInput.c_str(), (int)wideInput.length(), NULL, 0, NULL, NULL);
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std::string output;
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output.resize(length);
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WideCharToMultiByte(CP_UTF8, 0, wideInput.c_str(), (int)wideInput.length(), &output[0], length, NULL, NULL);
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if(!output.empty() && output.back() == '\r') output.pop_back();
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return output;
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}
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#else
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std::string getline(bool* eof=nullptr){
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std::string line;
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if(!std::getline(std::cin, line)){
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if(eof) *eof = true;
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}
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return line;
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}
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#endif
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#ifndef __EMSCRIPTEN__
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int main(int argc, char** argv){
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pkpy::VM* vm = pkpy_new_vm(true);
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vm->bind_builtin_func<0>("input", [](pkpy::VM* vm, pkpy::Args& args){
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return VAR(getline());
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});
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if(argc == 1){
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pkpy::REPL* repl = pkpy_new_repl(vm);
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bool need_more_lines = false;
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while(true){
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(*vm->_stdout) << (need_more_lines ? "... " : ">>> ");
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bool eof = false;
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std::string line = getline(&eof);
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if(eof) break;
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need_more_lines = pkpy_repl_input(repl, line.c_str());
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}
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pkpy_delete(vm);
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return 0;
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}
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if(argc == 2){
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std::string argv_1 = argv[1];
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if(argv_1 == "-h" || argv_1 == "--help") goto __HELP;
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std::filesystem::path filepath(argv[1]);
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filepath = std::filesystem::absolute(filepath);
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if(!std::filesystem::exists(filepath)){
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std::cerr << "File not found: " << argv_1 << std::endl;
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return 1;
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}
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std::ifstream file(filepath);
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if(!file.is_open()) return 1;
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std::string src((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
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// set parent path as cwd
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std::filesystem::current_path(filepath.parent_path());
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pkpy::PyObject* ret = nullptr;
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ret = vm->exec(src.c_str(), argv_1, pkpy::EXEC_MODE);
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pkpy_delete(vm);
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return ret != nullptr ? 0 : 1;
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}
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__HELP:
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std::cout << "Usage: pocketpy [filename]" << std::endl;
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return 0;
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}
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#endif |