mirror of
https://github.com/ggerganov/llama.cpp.git
synced 2024-12-24 13:28:50 +01:00
Interface improvements and --multiline-input (previously --author-mode) (#1040)
* Interface improvements * Multiline input * Track character width * Works with all characters and control codes + Windows console fixes
This commit is contained in:
DannyDaemonic
GitHub
parent
56551bc11f
commit
41654efea8
@ -14,20 +14,16 @@
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#include <sys/sysctl.h>
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#endif
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#if defined (_WIN32)
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#if defined(_WIN32)
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#define WIN32_LEAN_AND_MEAN
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#define NOMINMAX
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#include <windows.h>
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#include <fcntl.h>
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#include <io.h>
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#pragma comment(lib,"kernel32.lib")
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extern "C" __declspec(dllimport) void* __stdcall GetStdHandle(unsigned long nStdHandle);
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extern "C" __declspec(dllimport) int __stdcall GetConsoleMode(void* hConsoleHandle, unsigned long* lpMode);
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extern "C" __declspec(dllimport) int __stdcall SetConsoleMode(void* hConsoleHandle, unsigned long dwMode);
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extern "C" __declspec(dllimport) int __stdcall SetConsoleCP(unsigned int wCodePageID);
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extern "C" __declspec(dllimport) int __stdcall SetConsoleOutputCP(unsigned int wCodePageID);
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extern "C" __declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int CodePage, unsigned long dwFlags,
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const wchar_t * lpWideCharStr, int cchWideChar,
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char * lpMultiByteStr, int cbMultiByte,
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const char * lpDefaultChar, bool * lpUsedDefaultChar);
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#define CP_UTF8 65001
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#else
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <wchar.h>
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#endif
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int32_t get_num_physical_cores() {
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@ -269,6 +265,8 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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params.interactive_first = true;
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} else if (arg == "-ins" || arg == "--instruct") {
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params.instruct = true;
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} else if (arg == "--multiline-input") {
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params.multiline_input = true;
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} else if (arg == "--color") {
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params.use_color = true;
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} else if (arg == "--mlock") {
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@ -359,6 +357,7 @@ void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
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fprintf(stderr, " -i, --interactive run in interactive mode\n");
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fprintf(stderr, " --interactive-first run in interactive mode and wait for input right away\n");
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fprintf(stderr, " -ins, --instruct run in instruction mode (use with Alpaca models)\n");
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fprintf(stderr, " --multiline-input allows you to write or paste multiple lines without ending each in '\\'\n");
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fprintf(stderr, " -r PROMPT, --reverse-prompt PROMPT\n");
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fprintf(stderr, " run in interactive mode and poll user input upon seeing PROMPT (can be\n");
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fprintf(stderr, " specified more than once for multiple prompts).\n");
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@ -479,54 +478,339 @@ struct llama_context * llama_init_from_gpt_params(const gpt_params & params) {
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return lctx;
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}
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/* Keep track of current color of output, and emit ANSI code if it changes. */
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void set_console_color(console_state & con_st, console_color_t color) {
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if (con_st.use_color && con_st.color != color) {
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switch(color) {
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case CONSOLE_COLOR_DEFAULT:
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printf(ANSI_COLOR_RESET);
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break;
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case CONSOLE_COLOR_PROMPT:
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printf(ANSI_COLOR_YELLOW);
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break;
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case CONSOLE_COLOR_USER_INPUT:
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printf(ANSI_BOLD ANSI_COLOR_GREEN);
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break;
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}
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con_st.color = color;
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}
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}
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#if defined (_WIN32)
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void win32_console_init(bool enable_color) {
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unsigned long dwMode = 0;
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void* hConOut = GetStdHandle((unsigned long)-11); // STD_OUTPUT_HANDLE (-11)
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if (!hConOut || hConOut == (void*)-1 || !GetConsoleMode(hConOut, &dwMode)) {
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hConOut = GetStdHandle((unsigned long)-12); // STD_ERROR_HANDLE (-12)
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if (hConOut && (hConOut == (void*)-1 || !GetConsoleMode(hConOut, &dwMode))) {
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hConOut = 0;
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void console_init(console_state & con_st) {
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#if defined(_WIN32)
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// Windows-specific console initialization
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DWORD dwMode = 0;
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con_st.hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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if (con_st.hConsole == INVALID_HANDLE_VALUE || !GetConsoleMode(con_st.hConsole, &dwMode)) {
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con_st.hConsole = GetStdHandle(STD_ERROR_HANDLE);
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if (con_st.hConsole != INVALID_HANDLE_VALUE && (!GetConsoleMode(con_st.hConsole, &dwMode))) {
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con_st.hConsole = NULL;
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}
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}
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if (hConOut) {
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if (con_st.hConsole) {
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// Enable ANSI colors on Windows 10+
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if (enable_color && !(dwMode & 0x4)) {
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SetConsoleMode(hConOut, dwMode | 0x4); // ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x4)
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if (con_st.use_color && !(dwMode & ENABLE_VIRTUAL_TERMINAL_PROCESSING)) {
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SetConsoleMode(con_st.hConsole, dwMode | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
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}
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// Set console output codepage to UTF8
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SetConsoleOutputCP(CP_UTF8);
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}
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void* hConIn = GetStdHandle((unsigned long)-10); // STD_INPUT_HANDLE (-10)
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if (hConIn && hConIn != (void*)-1 && GetConsoleMode(hConIn, &dwMode)) {
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HANDLE hConIn = GetStdHandle(STD_INPUT_HANDLE);
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if (hConIn != INVALID_HANDLE_VALUE && GetConsoleMode(hConIn, &dwMode)) {
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// Set console input codepage to UTF16
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_setmode(_fileno(stdin), _O_WTEXT);
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// Turn off ICANON (ENABLE_LINE_INPUT) and ECHO (ENABLE_ECHO_INPUT)
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dwMode &= ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT);
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SetConsoleMode(hConIn, dwMode);
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}
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#else
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// POSIX-specific console initialization
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struct termios new_termios;
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tcgetattr(STDIN_FILENO, &con_st.prev_state);
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new_termios = con_st.prev_state;
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new_termios.c_lflag &= ~(ICANON | ECHO);
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new_termios.c_cc[VMIN] = 1;
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new_termios.c_cc[VTIME] = 0;
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tcsetattr(STDIN_FILENO, TCSANOW, &new_termios);
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con_st.tty = fopen("/dev/tty", "w+");
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if (con_st.tty != nullptr) {
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con_st.out = con_st.tty;
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}
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#endif
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setlocale(LC_ALL, "");
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}
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void console_cleanup(console_state & con_st) {
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// Reset console color
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console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
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#if !defined(_WIN32)
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if (con_st.tty != nullptr) {
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con_st.out = stdout;
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fclose(con_st.tty);
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con_st.tty = nullptr;
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}
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// Restore the terminal settings on POSIX systems
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tcsetattr(STDIN_FILENO, TCSANOW, &con_st.prev_state);
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#endif
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}
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/* Keep track of current color of output, and emit ANSI code if it changes. */
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void console_set_color(console_state & con_st, console_color_t color) {
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if (con_st.use_color && con_st.color != color) {
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fflush(stdout);
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switch(color) {
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case CONSOLE_COLOR_DEFAULT:
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fprintf(con_st.out, ANSI_COLOR_RESET);
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break;
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case CONSOLE_COLOR_PROMPT:
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fprintf(con_st.out, ANSI_COLOR_YELLOW);
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break;
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case CONSOLE_COLOR_USER_INPUT:
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fprintf(con_st.out, ANSI_BOLD ANSI_COLOR_GREEN);
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break;
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}
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con_st.color = color;
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fflush(con_st.out);
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}
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}
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// Convert a wide Unicode string to an UTF8 string
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void win32_utf8_encode(const std::wstring & wstr, std::string & str) {
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int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
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std::string strTo(size_needed, 0);
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WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], size_needed, NULL, NULL);
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str = strTo;
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}
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char32_t getchar32() {
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wchar_t wc = getwchar();
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if (static_cast<wint_t>(wc) == WEOF) {
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return WEOF;
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}
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#if WCHAR_MAX == 0xFFFF
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if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
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wchar_t low_surrogate = getwchar();
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if ((low_surrogate >= 0xDC00) && (low_surrogate <= 0xDFFF)) { // Check if the next wchar is a low surrogate
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return (static_cast<char32_t>(wc & 0x03FF) << 10) + (low_surrogate & 0x03FF) + 0x10000;
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}
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}
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if ((wc >= 0xD800) && (wc <= 0xDFFF)) { // Invalid surrogate pair
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return 0xFFFD; // Return the replacement character U+FFFD
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}
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#endif
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return static_cast<char32_t>(wc);
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}
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void pop_cursor(console_state & con_st) {
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#if defined(_WIN32)
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if (con_st.hConsole != NULL) {
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CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
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GetConsoleScreenBufferInfo(con_st.hConsole, &bufferInfo);
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COORD newCursorPosition = bufferInfo.dwCursorPosition;
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if (newCursorPosition.X == 0) {
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newCursorPosition.X = bufferInfo.dwSize.X - 1;
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newCursorPosition.Y -= 1;
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} else {
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newCursorPosition.X -= 1;
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}
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SetConsoleCursorPosition(con_st.hConsole, newCursorPosition);
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return;
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}
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#endif
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putc('\b', con_st.out);
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}
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int estimateWidth(char32_t codepoint) {
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#if defined(_WIN32)
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return 1;
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#else
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return wcwidth(codepoint);
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#endif
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}
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int put_codepoint(console_state & con_st, const char* utf8_codepoint, size_t length, int expectedWidth) {
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#if defined(_WIN32)
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CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
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if (!GetConsoleScreenBufferInfo(con_st.hConsole, &bufferInfo)) {
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// go with the default
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return expectedWidth;
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}
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COORD initialPosition = bufferInfo.dwCursorPosition;
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DWORD nNumberOfChars = length;
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WriteConsole(con_st.hConsole, utf8_codepoint, nNumberOfChars, &nNumberOfChars, NULL);
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CONSOLE_SCREEN_BUFFER_INFO newBufferInfo;
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GetConsoleScreenBufferInfo(con_st.hConsole, &newBufferInfo);
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// Figure out our real position if we're in the last column
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if (utf8_codepoint[0] != 0x09 && initialPosition.X == newBufferInfo.dwSize.X - 1) {
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DWORD nNumberOfChars;
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WriteConsole(con_st.hConsole, &" \b", 2, &nNumberOfChars, NULL);
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GetConsoleScreenBufferInfo(con_st.hConsole, &newBufferInfo);
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}
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int width = newBufferInfo.dwCursorPosition.X - initialPosition.X;
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if (width < 0) {
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width += newBufferInfo.dwSize.X;
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}
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return width;
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#else
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// we can trust expectedWidth if we've got one
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if (expectedWidth >= 0 || con_st.tty == nullptr) {
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fwrite(utf8_codepoint, length, 1, con_st.out);
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return expectedWidth;
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}
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fputs("\033[6n", con_st.tty); // Query cursor position
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int x1, x2, y1, y2;
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int results = 0;
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results = fscanf(con_st.tty, "\033[%d;%dR", &y1, &x1);
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fwrite(utf8_codepoint, length, 1, con_st.tty);
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fputs("\033[6n", con_st.tty); // Query cursor position
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results += fscanf(con_st.tty, "\033[%d;%dR", &y2, &x2);
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if (results != 4) {
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return expectedWidth;
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}
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int width = x2 - x1;
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if (width < 0) {
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// Calculate the width considering text wrapping
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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width += w.ws_col;
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}
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return width;
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#endif
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}
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void replace_last(console_state & con_st, char ch) {
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#if defined(_WIN32)
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pop_cursor(con_st);
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put_codepoint(con_st, &ch, 1, 1);
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#else
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fprintf(con_st.out, "\b%c", ch);
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#endif
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}
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void append_utf8(char32_t ch, std::string & out) {
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if (ch <= 0x7F) {
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out.push_back(static_cast<unsigned char>(ch));
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} else if (ch <= 0x7FF) {
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out.push_back(static_cast<unsigned char>(0xC0 | ((ch >> 6) & 0x1F)));
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out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
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} else if (ch <= 0xFFFF) {
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out.push_back(static_cast<unsigned char>(0xE0 | ((ch >> 12) & 0x0F)));
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out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 6) & 0x3F)));
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out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
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} else if (ch <= 0x10FFFF) {
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out.push_back(static_cast<unsigned char>(0xF0 | ((ch >> 18) & 0x07)));
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out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 12) & 0x3F)));
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out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 6) & 0x3F)));
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out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
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} else {
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// Invalid Unicode code point
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}
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}
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// Helper function to remove the last UTF-8 character from a string
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void pop_back_utf8_char(std::string & line) {
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if (line.empty()) {
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return;
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}
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size_t pos = line.length() - 1;
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// Find the start of the last UTF-8 character (checking up to 4 bytes back)
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for (size_t i = 0; i < 3 && pos > 0; ++i, --pos) {
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if ((line[pos] & 0xC0) != 0x80) break; // Found the start of the character
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}
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line.erase(pos);
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}
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bool console_readline(console_state & con_st, std::string & line) {
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console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
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if (con_st.out != stdout) {
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fflush(stdout);
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}
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line.clear();
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std::vector<int> widths;
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bool is_special_char = false;
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bool end_of_stream = false;
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char32_t input_char;
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while (true) {
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fflush(con_st.out); // Ensure all output is displayed before waiting for input
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input_char = getchar32();
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if (input_char == '\r' || input_char == '\n') {
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break;
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}
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if (input_char == WEOF || input_char == 0x04 /* Ctrl+D*/) {
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end_of_stream = true;
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break;
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}
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if (is_special_char) {
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console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
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replace_last(con_st, line.back());
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is_special_char = false;
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}
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if (input_char == '\033') { // Escape sequence
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char32_t code = getchar32();
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if (code == '[' || code == 0x1B) {
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// Discard the rest of the escape sequence
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while ((code = getchar32()) != WEOF) {
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if ((code >= 'A' && code <= 'Z') || (code >= 'a' && code <= 'z') || code == '~') {
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break;
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}
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}
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}
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} else if (input_char == 0x08 || input_char == 0x7F) { // Backspace
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if (!widths.empty()) {
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int count;
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do {
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count = widths.back();
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widths.pop_back();
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// Move cursor back, print space, and move cursor back again
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for (int i = 0; i < count; i++) {
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replace_last(con_st, ' ');
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pop_cursor(con_st);
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}
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pop_back_utf8_char(line);
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} while (count == 0 && !widths.empty());
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}
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} else {
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int offset = line.length();
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append_utf8(input_char, line);
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int width = put_codepoint(con_st, line.c_str() + offset, line.length() - offset, estimateWidth(input_char));
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if (width < 0) {
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width = 0;
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}
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widths.push_back(width);
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}
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if (!line.empty() && (line.back() == '\\' || line.back() == '/')) {
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console_set_color(con_st, CONSOLE_COLOR_PROMPT);
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replace_last(con_st, line.back());
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is_special_char = true;
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}
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}
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bool has_more = con_st.multiline_input;
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if (is_special_char) {
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replace_last(con_st, ' ');
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pop_cursor(con_st);
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char last = line.back();
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line.pop_back();
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if (last == '\\') {
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line += '\n';
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fputc('\n', con_st.out);
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has_more = !has_more;
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} else {
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// llama will just eat the single space, it won't act as a space
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if (line.length() == 1 && line.back() == ' ') {
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line.clear();
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pop_cursor(con_st);
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}
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has_more = false;
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}
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} else {
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if (end_of_stream) {
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has_more = false;
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} else {
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line += '\n';
|
||||
fputc('\n', con_st.out);
|
||||
}
|
||||
}
|
||||
|
||||
fflush(con_st.out);
|
||||
return has_more;
|
||||
}
|
||||
|
||||
@ -10,6 +10,11 @@
|
||||
#include <thread>
|
||||
#include <unordered_map>
|
||||
|
||||
#if !defined (_WIN32)
|
||||
#include <stdio.h>
|
||||
#include <termios.h>
|
||||
#endif
|
||||
|
||||
//
|
||||
// CLI argument parsing
|
||||
//
|
||||
@ -56,6 +61,7 @@ struct gpt_params {
|
||||
|
||||
bool embedding = false; // get only sentence embedding
|
||||
bool interactive_first = false; // wait for user input immediately
|
||||
bool multiline_input = false; // reverse the usage of `\`
|
||||
|
||||
bool instruct = false; // instruction mode (used for Alpaca models)
|
||||
bool penalize_nl = true; // consider newlines as a repeatable token
|
||||
@ -104,13 +110,20 @@ enum console_color_t {
|
||||
};
|
||||
|
||||
struct console_state {
|
||||
bool multiline_input = false;
|
||||
bool use_color = false;
|
||||
console_color_t color = CONSOLE_COLOR_DEFAULT;
|
||||
|
||||
FILE* out = stdout;
|
||||
#if defined (_WIN32)
|
||||
void* hConsole;
|
||||
#else
|
||||
FILE* tty = nullptr;
|
||||
termios prev_state;
|
||||
#endif
|
||||
};
|
||||
|
||||
void set_console_color(console_state & con_st, console_color_t color);
|
||||
|
||||
#if defined (_WIN32)
|
||||
void win32_console_init(bool enable_color);
|
||||
void win32_utf8_encode(const std::wstring & wstr, std::string & str);
|
||||
#endif
|
||||
void console_init(console_state & con_st);
|
||||
void console_cleanup(console_state & con_st);
|
||||
void console_set_color(console_state & con_st, console_color_t color);
|
||||
bool console_readline(console_state & con_st, std::string & line);
|
||||
|
||||
@ -35,12 +35,12 @@ static bool is_interacting = false;
|
||||
|
||||
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__)) || defined (_WIN32)
|
||||
void sigint_handler(int signo) {
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
printf("\n"); // this also force flush stdout.
|
||||
if (signo == SIGINT) {
|
||||
if (!is_interacting) {
|
||||
is_interacting=true;
|
||||
} else {
|
||||
console_cleanup(con_st);
|
||||
printf("\n");
|
||||
llama_print_timings(*g_ctx);
|
||||
_exit(130);
|
||||
}
|
||||
@ -59,10 +59,9 @@ int main(int argc, char ** argv) {
|
||||
// save choice to use color for later
|
||||
// (note for later: this is a slightly awkward choice)
|
||||
con_st.use_color = params.use_color;
|
||||
|
||||
#if defined (_WIN32)
|
||||
win32_console_init(params.use_color);
|
||||
#endif
|
||||
con_st.multiline_input = params.multiline_input;
|
||||
console_init(con_st);
|
||||
atexit([]() { console_cleanup(con_st); });
|
||||
|
||||
if (params.perplexity) {
|
||||
printf("\n************\n");
|
||||
@ -275,12 +274,21 @@ int main(int argc, char ** argv) {
|
||||
std::fill(last_n_tokens.begin(), last_n_tokens.end(), 0);
|
||||
|
||||
if (params.interactive) {
|
||||
const char *control_message;
|
||||
if (con_st.multiline_input) {
|
||||
control_message = " - To return control to LLaMa, end your input with '\\'.\n"
|
||||
" - To return control without starting a new line, end your input with '/'.\n";
|
||||
} else {
|
||||
control_message = " - Press Return to return control to LLaMa.\n"
|
||||
" - To return control without starting a new line, end your input with '/'.\n"
|
||||
" - If you want to submit another line, end your input with '\\'.\n";
|
||||
}
|
||||
fprintf(stderr, "== Running in interactive mode. ==\n"
|
||||
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__)) || defined (_WIN32)
|
||||
" - Press Ctrl+C to interject at any time.\n"
|
||||
#endif
|
||||
" - Press Return to return control to LLaMa.\n"
|
||||
" - If you want to submit another line, end your input in '\\'.\n\n");
|
||||
"%s\n", control_message);
|
||||
|
||||
is_interacting = params.interactive_first;
|
||||
}
|
||||
|
||||
@ -299,7 +307,7 @@ int main(int argc, char ** argv) {
|
||||
int n_session_consumed = 0;
|
||||
|
||||
// the first thing we will do is to output the prompt, so set color accordingly
|
||||
set_console_color(con_st, CONSOLE_COLOR_PROMPT);
|
||||
console_set_color(con_st, CONSOLE_COLOR_PROMPT);
|
||||
|
||||
std::vector<llama_token> embd;
|
||||
|
||||
@ -498,7 +506,7 @@ int main(int argc, char ** argv) {
|
||||
}
|
||||
// reset color to default if we there is no pending user input
|
||||
if (input_echo && (int)embd_inp.size() == n_consumed) {
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
}
|
||||
|
||||
// in interactive mode, and not currently processing queued inputs;
|
||||
@ -518,17 +526,12 @@ int main(int argc, char ** argv) {
|
||||
if (last_output.find(antiprompt.c_str(), last_output.length() - antiprompt.length(), antiprompt.length()) != std::string::npos) {
|
||||
is_interacting = true;
|
||||
is_antiprompt = true;
|
||||
set_console_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
fflush(stdout);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (n_past > 0 && is_interacting) {
|
||||
// potentially set color to indicate we are taking user input
|
||||
set_console_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
|
||||
if (params.instruct) {
|
||||
printf("\n> ");
|
||||
}
|
||||
@ -542,31 +545,12 @@ int main(int argc, char ** argv) {
|
||||
std::string line;
|
||||
bool another_line = true;
|
||||
do {
|
||||
#if defined(_WIN32)
|
||||
std::wstring wline;
|
||||
if (!std::getline(std::wcin, wline)) {
|
||||
// input stream is bad or EOF received
|
||||
return 0;
|
||||
}
|
||||
win32_utf8_encode(wline, line);
|
||||
#else
|
||||
if (!std::getline(std::cin, line)) {
|
||||
// input stream is bad or EOF received
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
if (!line.empty()) {
|
||||
if (line.back() == '\\') {
|
||||
line.pop_back(); // Remove the continue character
|
||||
} else {
|
||||
another_line = false;
|
||||
}
|
||||
buffer += line + '\n'; // Append the line to the result
|
||||
}
|
||||
another_line = console_readline(con_st, line);
|
||||
buffer += line;
|
||||
} while (another_line);
|
||||
|
||||
// done taking input, reset color
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
|
||||
// Add tokens to embd only if the input buffer is non-empty
|
||||
// Entering a empty line lets the user pass control back
|
||||
@ -622,7 +606,5 @@ int main(int argc, char ** argv) {
|
||||
llama_print_timings(ctx);
|
||||
llama_free(ctx);
|
||||
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user