Zxc200611/pocketpy
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This commit is contained in:
blueloveTH 2023-04-16 15:31:09 +08:00
parent 294877f4e5
commit 8aa6893e29
2 changed files with 35 additions and 35 deletions
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37
src/main.cpp
View File

@ -3,45 +3,12 @@
#include "pocketpy.h"
#ifdef _WIN32
#include <Windows.h>
std::string getline(bool* eof=nullptr) {
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
std::wstringstream wss;
WCHAR buf;
DWORD read;
while (ReadConsoleW(hStdin, &buf, 1, &read, NULL) && buf != L'\n') {
if(eof && buf == L'\x1A') *eof = true; // Ctrl+Z
wss << buf;
}
std::wstring wideInput = wss.str();
int length = WideCharToMultiByte(CP_UTF8, 0, wideInput.c_str(), (int)wideInput.length(), NULL, 0, NULL, NULL);
std::string output;
output.resize(length);
WideCharToMultiByte(CP_UTF8, 0, wideInput.c_str(), (int)wideInput.length(), &output[0], length, NULL, NULL);
return output;
}
#else
std::string getline(bool* eof=nullptr){
std::string line;
if(!std::getline(std::cin, line)){
if(eof) *eof = true;
}
return line;
}
#endif
#ifndef __EMSCRIPTEN__
int main(int argc, char** argv){
pkpy::VM* vm = pkpy_new_vm(true);
vm->bind_builtin_func<0>("input", [](pkpy::VM* vm, pkpy::Args& args){
return VAR(getline());
return VAR(pkpy::getline());
});
if(argc == 1){
pkpy::REPL* repl = pkpy_new_repl(vm);
@ -49,7 +16,7 @@ int main(int argc, char** argv){
while(true){
(*vm->_stdout) << (need_more_lines ? "... " : ">>> ");
bool eof = false;
std::string line = getline(&eof);
std::string line = pkpy::getline(&eof);
if(eof) break;
need_more_lines = pkpy_repl_input(repl, line.c_str());
}

33
src/repl.h
View File

@ -5,6 +5,39 @@
namespace pkpy{
#ifdef _WIN32
#include <Windows.h>
inline std::string getline(bool* eof=nullptr) {
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
std::wstringstream wss;
WCHAR buf;
DWORD read;
while (ReadConsoleW(hStdin, &buf, 1, &read, NULL) && buf != L'\n') {
if(eof && buf == L'\x1A') *eof = true; // Ctrl+Z
wss << buf;
}
std::wstring wideInput = wss.str();
int length = WideCharToMultiByte(CP_UTF8, 0, wideInput.c_str(), (int)wideInput.length(), NULL, 0, NULL, NULL);
std::string output;
output.resize(length);
WideCharToMultiByte(CP_UTF8, 0, wideInput.c_str(), (int)wideInput.length(), &output[0], length, NULL, NULL);
return output;
}
#else
inline std::string getline(bool* eof=nullptr){
std::string line;
if(!std::getline(std::cin, line)){
if(eof) *eof = true;
}
return line;
}
#endif
class REPL {
protected:
int need_more_lines = 0;