mirror of
https://github.com/ggerganov/llama.cpp.git
synced 2024-12-24 13:28:50 +01:00
Add --simple-io option for subprocesses and break out console.h and cpp (#1558)
This commit is contained in:
DannyDaemonic
GitHub
parent
5f631c2679
commit
3498588e0f
5
Makefile
5
Makefile
@ -340,6 +340,9 @@ llama.o: llama.cpp ggml.h ggml-alloc.h ggml-cuda.h ggml-metal.h llama.h llama-ut
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common.o: examples/common.cpp examples/common.h
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$(CXX) $(CXXFLAGS) -c $< -o $@
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console.o: examples/console.cpp examples/console.h
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$(CXX) $(CXXFLAGS) -c $< -o $@
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grammar-parser.o: examples/grammar-parser.cpp examples/grammar-parser.h
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$(CXX) $(CXXFLAGS) -c $< -o $@
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@ -353,7 +356,7 @@ clean:
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# Examples
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#
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main: examples/main/main.cpp build-info.h ggml.o llama.o common.o grammar-parser.o $(OBJS)
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main: examples/main/main.cpp build-info.h ggml.o llama.o common.o console.o grammar-parser.o $(OBJS)
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$(CXX) $(CXXFLAGS) $(filter-out %.h,$^) -o $@ $(LDFLAGS)
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@echo
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@echo '==== Run ./main -h for help. ===='
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@ -13,6 +13,8 @@ set(TARGET common)
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add_library(${TARGET} OBJECT
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common.h
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common.cpp
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console.h
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console.cpp
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grammar-parser.h
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grammar-parser.cpp
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)
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@ -25,7 +25,6 @@
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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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#if defined(_MSC_VER)
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@ -329,6 +328,8 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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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 == "--simple-io") {
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params.simple_io = 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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@ -598,6 +599,7 @@ void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
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fprintf(stdout, " --mtest compute maximum memory usage\n");
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fprintf(stdout, " --export export the computation graph to 'llama.ggml'\n");
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fprintf(stdout, " --verbose-prompt print prompt before generation\n");
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fprintf(stderr, " --simple-io use basic IO for better compatibility in subprocesses and limited consoles\n");
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fprintf(stdout, " --lora FNAME apply LoRA adapter (implies --no-mmap)\n");
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fprintf(stdout, " --lora-base FNAME optional model to use as a base for the layers modified by the LoRA adapter\n");
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fprintf(stdout, " -m FNAME, --model FNAME\n");
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@ -690,376 +692,3 @@ std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_par
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return std::make_tuple(model, lctx);
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}
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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 (con_st.hConsole) {
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// Enable ANSI colors on Windows 10+
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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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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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setlocale(LC_ALL, "");
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#endif
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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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case CONSOLE_COLOR_ERROR:
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fprintf(con_st.out, ANSI_BOLD ANSI_COLOR_RED);
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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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char32_t getchar32() {
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#if defined(_WIN32)
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HANDLE hConsole = GetStdHandle(STD_INPUT_HANDLE);
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wchar_t high_surrogate = 0;
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while (true) {
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INPUT_RECORD record;
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DWORD count;
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if (!ReadConsoleInputW(hConsole, &record, 1, &count) || count == 0) {
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return WEOF;
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}
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if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) {
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wchar_t wc = record.Event.KeyEvent.uChar.UnicodeChar;
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if (wc == 0) {
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continue;
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}
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if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
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high_surrogate = wc;
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continue;
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} else if ((wc >= 0xDC00) && (wc <= 0xDFFF)) { // Check if wc is a low surrogate
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if (high_surrogate != 0) { // Check if we have a high surrogate
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return ((high_surrogate - 0xD800) << 10) + (wc - 0xDC00) + 0x10000;
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}
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}
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high_surrogate = 0; // Reset the high surrogate
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return static_cast<char32_t>(wc);
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}
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}
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#else
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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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#endif
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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 == (char32_t) 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()) != (char32_t) 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';
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fputc('\n', con_st.out);
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}
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}
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fflush(con_st.out);
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return has_more;
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}
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@ -11,11 +11,6 @@
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#include <unordered_map>
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#include <tuple>
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|
||||
#if !defined (_WIN32)
|
||||
#include <stdio.h>
|
||||
#include <termios.h>
|
||||
#endif
|
||||
|
||||
//
|
||||
// CLI argument parsing
|
||||
//
|
||||
@ -85,6 +80,7 @@ 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 simple_io = false; // improves compatibility with subprocesses and limited consoles
|
||||
|
||||
bool input_prefix_bos = false; // prefix BOS to user inputs, preceding input_prefix
|
||||
bool instruct = false; // instruction mode (used for Alpaca models)
|
||||
@ -116,42 +112,3 @@ std::vector<llama_token> llama_tokenize(struct llama_context * ctx, const std::s
|
||||
|
||||
std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_params(const gpt_params & params);
|
||||
struct llama_context_params llama_context_params_from_gpt_params(const gpt_params & params);
|
||||
|
||||
//
|
||||
// Console utils
|
||||
//
|
||||
|
||||
#define ANSI_COLOR_RED "\x1b[31m"
|
||||
#define ANSI_COLOR_GREEN "\x1b[32m"
|
||||
#define ANSI_COLOR_YELLOW "\x1b[33m"
|
||||
#define ANSI_COLOR_BLUE "\x1b[34m"
|
||||
#define ANSI_COLOR_MAGENTA "\x1b[35m"
|
||||
#define ANSI_COLOR_CYAN "\x1b[36m"
|
||||
#define ANSI_COLOR_RESET "\x1b[0m"
|
||||
#define ANSI_BOLD "\x1b[1m"
|
||||
|
||||
enum console_color_t {
|
||||
CONSOLE_COLOR_DEFAULT=0,
|
||||
CONSOLE_COLOR_PROMPT,
|
||||
CONSOLE_COLOR_USER_INPUT,
|
||||
CONSOLE_COLOR_ERROR
|
||||
};
|
||||
|
||||
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 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);
|
||||
|
||||
494
examples/console.cpp
Normal file
494
examples/console.cpp
Normal file
@ -0,0 +1,494 @@
|
||||
#include "console.h"
|
||||
#include <vector>
|
||||
#include <iostream>
|
||||
|
||||
#if defined(_WIN32)
|
||||
#define WIN32_LEAN_AND_MEAN
|
||||
#ifndef NOMINMAX
|
||||
#define NOMINMAX
|
||||
#endif
|
||||
#include <windows.h>
|
||||
#include <fcntl.h>
|
||||
#include <io.h>
|
||||
#else
|
||||
#include <climits>
|
||||
#include <sys/ioctl.h>
|
||||
#include <unistd.h>
|
||||
#include <wchar.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <signal.h>
|
||||
#include <termios.h>
|
||||
#endif
|
||||
|
||||
#define ANSI_COLOR_RED "\x1b[31m"
|
||||
#define ANSI_COLOR_GREEN "\x1b[32m"
|
||||
#define ANSI_COLOR_YELLOW "\x1b[33m"
|
||||
#define ANSI_COLOR_BLUE "\x1b[34m"
|
||||
#define ANSI_COLOR_MAGENTA "\x1b[35m"
|
||||
#define ANSI_COLOR_CYAN "\x1b[36m"
|
||||
#define ANSI_COLOR_RESET "\x1b[0m"
|
||||
#define ANSI_BOLD "\x1b[1m"
|
||||
|
||||
namespace console {
|
||||
|
||||
//
|
||||
// Console state
|
||||
//
|
||||
|
||||
static bool advanced_display = false;
|
||||
static bool simple_io = true;
|
||||
static display_t current_display = reset;
|
||||
|
||||
static FILE* out = stdout;
|
||||
|
||||
#if defined (_WIN32)
|
||||
static void* hConsole;
|
||||
#else
|
||||
static FILE* tty = nullptr;
|
||||
static termios initial_state;
|
||||
#endif
|
||||
|
||||
//
|
||||
// Init and cleanup
|
||||
//
|
||||
|
||||
void init(bool use_simple_io, bool use_advanced_display) {
|
||||
advanced_display = use_advanced_display;
|
||||
simple_io = use_simple_io;
|
||||
#if defined(_WIN32)
|
||||
// Windows-specific console initialization
|
||||
DWORD dwMode = 0;
|
||||
hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
|
||||
if (hConsole == INVALID_HANDLE_VALUE || !GetConsoleMode(hConsole, &dwMode)) {
|
||||
hConsole = GetStdHandle(STD_ERROR_HANDLE);
|
||||
if (hConsole != INVALID_HANDLE_VALUE && (!GetConsoleMode(hConsole, &dwMode))) {
|
||||
hConsole = nullptr;
|
||||
simple_io = true;
|
||||
}
|
||||
}
|
||||
if (hConsole) {
|
||||
// Enable ANSI colors on Windows 10+
|
||||
if (advanced_display && !(dwMode & ENABLE_VIRTUAL_TERMINAL_PROCESSING)) {
|
||||
SetConsoleMode(hConsole, dwMode | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
|
||||
}
|
||||
// Set console output codepage to UTF8
|
||||
SetConsoleOutputCP(CP_UTF8);
|
||||
}
|
||||
HANDLE hConIn = GetStdHandle(STD_INPUT_HANDLE);
|
||||
if (hConIn != INVALID_HANDLE_VALUE && GetConsoleMode(hConIn, &dwMode)) {
|
||||
// Set console input codepage to UTF16
|
||||
_setmode(_fileno(stdin), _O_WTEXT);
|
||||
|
||||
if (!simple_io) {
|
||||
// Turn off ICANON (ENABLE_LINE_INPUT) and ECHO (ENABLE_ECHO_INPUT)
|
||||
dwMode &= ~(ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT);
|
||||
}
|
||||
if (!SetConsoleMode(hConIn, dwMode)) {
|
||||
simple_io = true;
|
||||
}
|
||||
}
|
||||
#else
|
||||
// POSIX-specific console initialization
|
||||
if (!simple_io) {
|
||||
struct termios new_termios;
|
||||
tcgetattr(STDIN_FILENO, &initial_state);
|
||||
new_termios = initial_state;
|
||||
new_termios.c_lflag &= ~(ICANON | ECHO);
|
||||
new_termios.c_cc[VMIN] = 1;
|
||||
new_termios.c_cc[VTIME] = 0;
|
||||
tcsetattr(STDIN_FILENO, TCSANOW, &new_termios);
|
||||
|
||||
tty = fopen("/dev/tty", "w+");
|
||||
if (tty != nullptr) {
|
||||
out = tty;
|
||||
}
|
||||
}
|
||||
|
||||
setlocale(LC_ALL, "");
|
||||
#endif
|
||||
}
|
||||
|
||||
void cleanup() {
|
||||
// Reset console display
|
||||
set_display(reset);
|
||||
|
||||
#if !defined(_WIN32)
|
||||
// Restore settings on POSIX systems
|
||||
if (!simple_io) {
|
||||
if (tty != nullptr) {
|
||||
out = stdout;
|
||||
fclose(tty);
|
||||
tty = nullptr;
|
||||
}
|
||||
tcsetattr(STDIN_FILENO, TCSANOW, &initial_state);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
//
|
||||
// Display and IO
|
||||
//
|
||||
|
||||
// Keep track of current display and only emit ANSI code if it changes
|
||||
void set_display(display_t display) {
|
||||
if (advanced_display && current_display != display) {
|
||||
fflush(stdout);
|
||||
switch(display) {
|
||||
case reset:
|
||||
fprintf(out, ANSI_COLOR_RESET);
|
||||
break;
|
||||
case prompt:
|
||||
fprintf(out, ANSI_COLOR_YELLOW);
|
||||
break;
|
||||
case user_input:
|
||||
fprintf(out, ANSI_BOLD ANSI_COLOR_GREEN);
|
||||
break;
|
||||
case error:
|
||||
fprintf(out, ANSI_BOLD ANSI_COLOR_RED);
|
||||
}
|
||||
current_display = display;
|
||||
fflush(out);
|
||||
}
|
||||
}
|
||||
|
||||
char32_t getchar32() {
|
||||
#if defined(_WIN32)
|
||||
HANDLE hConsole = GetStdHandle(STD_INPUT_HANDLE);
|
||||
wchar_t high_surrogate = 0;
|
||||
|
||||
while (true) {
|
||||
INPUT_RECORD record;
|
||||
DWORD count;
|
||||
if (!ReadConsoleInputW(hConsole, &record, 1, &count) || count == 0) {
|
||||
return WEOF;
|
||||
}
|
||||
|
||||
if (record.EventType == KEY_EVENT && record.Event.KeyEvent.bKeyDown) {
|
||||
wchar_t wc = record.Event.KeyEvent.uChar.UnicodeChar;
|
||||
if (wc == 0) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
|
||||
high_surrogate = wc;
|
||||
continue;
|
||||
}
|
||||
if ((wc >= 0xDC00) && (wc <= 0xDFFF)) { // Check if wc is a low surrogate
|
||||
if (high_surrogate != 0) { // Check if we have a high surrogate
|
||||
return ((high_surrogate - 0xD800) << 10) + (wc - 0xDC00) + 0x10000;
|
||||
}
|
||||
}
|
||||
|
||||
high_surrogate = 0; // Reset the high surrogate
|
||||
return static_cast<char32_t>(wc);
|
||||
}
|
||||
}
|
||||
#else
|
||||
wchar_t wc = getwchar();
|
||||
if (static_cast<wint_t>(wc) == WEOF) {
|
||||
return WEOF;
|
||||
}
|
||||
|
||||
#if WCHAR_MAX == 0xFFFF
|
||||
if ((wc >= 0xD800) && (wc <= 0xDBFF)) { // Check if wc is a high surrogate
|
||||
wchar_t low_surrogate = getwchar();
|
||||
if ((low_surrogate >= 0xDC00) && (low_surrogate <= 0xDFFF)) { // Check if the next wchar is a low surrogate
|
||||
return (static_cast<char32_t>(wc & 0x03FF) << 10) + (low_surrogate & 0x03FF) + 0x10000;
|
||||
}
|
||||
}
|
||||
if ((wc >= 0xD800) && (wc <= 0xDFFF)) { // Invalid surrogate pair
|
||||
return 0xFFFD; // Return the replacement character U+FFFD
|
||||
}
|
||||
#endif
|
||||
|
||||
return static_cast<char32_t>(wc);
|
||||
#endif
|
||||
}
|
||||
|
||||
void pop_cursor() {
|
||||
#if defined(_WIN32)
|
||||
if (hConsole != NULL) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
|
||||
GetConsoleScreenBufferInfo(hConsole, &bufferInfo);
|
||||
|
||||
COORD newCursorPosition = bufferInfo.dwCursorPosition;
|
||||
if (newCursorPosition.X == 0) {
|
||||
newCursorPosition.X = bufferInfo.dwSize.X - 1;
|
||||
newCursorPosition.Y -= 1;
|
||||
} else {
|
||||
newCursorPosition.X -= 1;
|
||||
}
|
||||
|
||||
SetConsoleCursorPosition(hConsole, newCursorPosition);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
putc('\b', out);
|
||||
}
|
||||
|
||||
int estimateWidth(char32_t codepoint) {
|
||||
#if defined(_WIN32)
|
||||
return 1;
|
||||
#else
|
||||
return wcwidth(codepoint);
|
||||
#endif
|
||||
}
|
||||
|
||||
int put_codepoint(const char* utf8_codepoint, size_t length, int expectedWidth) {
|
||||
#if defined(_WIN32)
|
||||
CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
|
||||
if (!GetConsoleScreenBufferInfo(hConsole, &bufferInfo)) {
|
||||
// go with the default
|
||||
return expectedWidth;
|
||||
}
|
||||
COORD initialPosition = bufferInfo.dwCursorPosition;
|
||||
DWORD nNumberOfChars = length;
|
||||
WriteConsole(hConsole, utf8_codepoint, nNumberOfChars, &nNumberOfChars, NULL);
|
||||
|
||||
CONSOLE_SCREEN_BUFFER_INFO newBufferInfo;
|
||||
GetConsoleScreenBufferInfo(hConsole, &newBufferInfo);
|
||||
|
||||
// Figure out our real position if we're in the last column
|
||||
if (utf8_codepoint[0] != 0x09 && initialPosition.X == newBufferInfo.dwSize.X - 1) {
|
||||
DWORD nNumberOfChars;
|
||||
WriteConsole(hConsole, &" \b", 2, &nNumberOfChars, NULL);
|
||||
GetConsoleScreenBufferInfo(hConsole, &newBufferInfo);
|
||||
}
|
||||
|
||||
int width = newBufferInfo.dwCursorPosition.X - initialPosition.X;
|
||||
if (width < 0) {
|
||||
width += newBufferInfo.dwSize.X;
|
||||
}
|
||||
return width;
|
||||
#else
|
||||
// We can trust expectedWidth if we've got one
|
||||
if (expectedWidth >= 0 || tty == nullptr) {
|
||||
fwrite(utf8_codepoint, length, 1, out);
|
||||
return expectedWidth;
|
||||
}
|
||||
|
||||
fputs("\033[6n", tty); // Query cursor position
|
||||
int x1;
|
||||
int y1;
|
||||
int x2;
|
||||
int y2;
|
||||
int results = 0;
|
||||
results = fscanf(tty, "\033[%d;%dR", &y1, &x1);
|
||||
|
||||
fwrite(utf8_codepoint, length, 1, tty);
|
||||
|
||||
fputs("\033[6n", tty); // Query cursor position
|
||||
results += fscanf(tty, "\033[%d;%dR", &y2, &x2);
|
||||
|
||||
if (results != 4) {
|
||||
return expectedWidth;
|
||||
}
|
||||
|
||||
int width = x2 - x1;
|
||||
if (width < 0) {
|
||||
// Calculate the width considering text wrapping
|
||||
struct winsize w;
|
||||
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
|
||||
width += w.ws_col;
|
||||
}
|
||||
return width;
|
||||
#endif
|
||||
}
|
||||
|
||||
void replace_last(char ch) {
|
||||
#if defined(_WIN32)
|
||||
pop_cursor();
|
||||
put_codepoint(&ch, 1, 1);
|
||||
#else
|
||||
fprintf(out, "\b%c", ch);
|
||||
#endif
|
||||
}
|
||||
|
||||
void append_utf8(char32_t ch, std::string & out) {
|
||||
if (ch <= 0x7F) {
|
||||
out.push_back(static_cast<unsigned char>(ch));
|
||||
} else if (ch <= 0x7FF) {
|
||||
out.push_back(static_cast<unsigned char>(0xC0 | ((ch >> 6) & 0x1F)));
|
||||
out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
|
||||
} else if (ch <= 0xFFFF) {
|
||||
out.push_back(static_cast<unsigned char>(0xE0 | ((ch >> 12) & 0x0F)));
|
||||
out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 6) & 0x3F)));
|
||||
out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
|
||||
} else if (ch <= 0x10FFFF) {
|
||||
out.push_back(static_cast<unsigned char>(0xF0 | ((ch >> 18) & 0x07)));
|
||||
out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 12) & 0x3F)));
|
||||
out.push_back(static_cast<unsigned char>(0x80 | ((ch >> 6) & 0x3F)));
|
||||
out.push_back(static_cast<unsigned char>(0x80 | (ch & 0x3F)));
|
||||
} else {
|
||||
// Invalid Unicode code point
|
||||
}
|
||||
}
|
||||
|
||||
// Helper function to remove the last UTF-8 character from a string
|
||||
void pop_back_utf8_char(std::string & line) {
|
||||
if (line.empty()) {
|
||||
return;
|
||||
}
|
||||
|
||||
size_t pos = line.length() - 1;
|
||||
|
||||
// Find the start of the last UTF-8 character (checking up to 4 bytes back)
|
||||
for (size_t i = 0; i < 3 && pos > 0; ++i, --pos) {
|
||||
if ((line[pos] & 0xC0) != 0x80) {
|
||||
break; // Found the start of the character
|
||||
}
|
||||
}
|
||||
line.erase(pos);
|
||||
}
|
||||
|
||||
bool readline_advanced(std::string & line, bool multiline_input) {
|
||||
if (out != stdout) {
|
||||
fflush(stdout);
|
||||
}
|
||||
|
||||
line.clear();
|
||||
std::vector<int> widths;
|
||||
bool is_special_char = false;
|
||||
bool end_of_stream = false;
|
||||
|
||||
char32_t input_char;
|
||||
while (true) {
|
||||
fflush(out); // Ensure all output is displayed before waiting for input
|
||||
input_char = getchar32();
|
||||
|
||||
if (input_char == '\r' || input_char == '\n') {
|
||||
break;
|
||||
}
|
||||
|
||||
if (input_char == (char32_t) WEOF || input_char == 0x04 /* Ctrl+D*/) {
|
||||
end_of_stream = true;
|
||||
break;
|
||||
}
|
||||
|
||||
if (is_special_char) {
|
||||
set_display(user_input);
|
||||
replace_last(line.back());
|
||||
is_special_char = false;
|
||||
}
|
||||
|
||||
if (input_char == '\033') { // Escape sequence
|
||||
char32_t code = getchar32();
|
||||
if (code == '[' || code == 0x1B) {
|
||||
// Discard the rest of the escape sequence
|
||||
while ((code = getchar32()) != (char32_t) WEOF) {
|
||||
if ((code >= 'A' && code <= 'Z') || (code >= 'a' && code <= 'z') || code == '~') {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if (input_char == 0x08 || input_char == 0x7F) { // Backspace
|
||||
if (!widths.empty()) {
|
||||
int count;
|
||||
do {
|
||||
count = widths.back();
|
||||
widths.pop_back();
|
||||
// Move cursor back, print space, and move cursor back again
|
||||
for (int i = 0; i < count; i++) {
|
||||
replace_last(' ');
|
||||
pop_cursor();
|
||||
}
|
||||
pop_back_utf8_char(line);
|
||||
} while (count == 0 && !widths.empty());
|
||||
}
|
||||
} else {
|
||||
int offset = line.length();
|
||||
append_utf8(input_char, line);
|
||||
int width = put_codepoint(line.c_str() + offset, line.length() - offset, estimateWidth(input_char));
|
||||
if (width < 0) {
|
||||
width = 0;
|
||||
}
|
||||
widths.push_back(width);
|
||||
}
|
||||
|
||||
if (!line.empty() && (line.back() == '\\' || line.back() == '/')) {
|
||||
set_display(prompt);
|
||||
replace_last(line.back());
|
||||
is_special_char = true;
|
||||
}
|
||||
}
|
||||
|
||||
bool has_more = multiline_input;
|
||||
if (is_special_char) {
|
||||
replace_last(' ');
|
||||
pop_cursor();
|
||||
|
||||
char last = line.back();
|
||||
line.pop_back();
|
||||
if (last == '\\') {
|
||||
line += '\n';
|
||||
fputc('\n', out);
|
||||
has_more = !has_more;
|
||||
} else {
|
||||
// llama will just eat the single space, it won't act as a space
|
||||
if (line.length() == 1 && line.back() == ' ') {
|
||||
line.clear();
|
||||
pop_cursor();
|
||||
}
|
||||
has_more = false;
|
||||
}
|
||||
} else {
|
||||
if (end_of_stream) {
|
||||
has_more = false;
|
||||
} else {
|
||||
line += '\n';
|
||||
fputc('\n', out);
|
||||
}
|
||||
}
|
||||
|
||||
fflush(out);
|
||||
return has_more;
|
||||
}
|
||||
|
||||
bool readline_simple(std::string & line, bool multiline_input) {
|
||||
#if defined(_WIN32)
|
||||
std::wstring wline;
|
||||
if (!std::getline(std::wcin, wline)) {
|
||||
// Input stream is bad or EOF received
|
||||
line.clear();
|
||||
GenerateConsoleCtrlEvent(CTRL_C_EVENT, 0);
|
||||
return false;
|
||||
}
|
||||
|
||||
int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wline[0], (int)wline.size(), NULL, 0, NULL, NULL);
|
||||
line.resize(size_needed);
|
||||
WideCharToMultiByte(CP_UTF8, 0, &wline[0], (int)wline.size(), &line[0], size_needed, NULL, NULL);
|
||||
#else
|
||||
if (!std::getline(std::cin, line)) {
|
||||
// Input stream is bad or EOF received
|
||||
line.clear();
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
if (!line.empty()) {
|
||||
char last = line.back();
|
||||
if (last == '/') { // Always return control on '/' symbol
|
||||
line.pop_back();
|
||||
return false;
|
||||
}
|
||||
if (last == '\\') { // '\\' changes the default action
|
||||
line.pop_back();
|
||||
multiline_input = !multiline_input;
|
||||
}
|
||||
}
|
||||
line += '\n';
|
||||
|
||||
// By default, continue input if multiline_input is set
|
||||
return multiline_input;
|
||||
}
|
||||
|
||||
bool readline(std::string & line, bool multiline_input) {
|
||||
set_display(user_input);
|
||||
|
||||
if (simple_io) {
|
||||
return readline_simple(line, multiline_input);
|
||||
}
|
||||
return readline_advanced(line, multiline_input);
|
||||
}
|
||||
|
||||
}
|
||||
19
examples/console.h
Normal file
19
examples/console.h
Normal file
@ -0,0 +1,19 @@
|
||||
// Console functions
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <string>
|
||||
|
||||
namespace console {
|
||||
enum display_t {
|
||||
reset = 0,
|
||||
prompt,
|
||||
user_input,
|
||||
error
|
||||
};
|
||||
|
||||
void init(bool use_simple_io, bool use_advanced_display);
|
||||
void cleanup();
|
||||
void set_display(display_t display);
|
||||
bool readline(std::string & line, bool multiline_input);
|
||||
}
|
||||
@ -4,6 +4,7 @@
|
||||
#endif
|
||||
|
||||
#include "common.h"
|
||||
#include "console.h"
|
||||
#include "llama.h"
|
||||
#include "build-info.h"
|
||||
#include "grammar-parser.h"
|
||||
@ -35,9 +36,7 @@
|
||||
#pragma warning(disable: 4244 4267) // possible loss of data
|
||||
#endif
|
||||
|
||||
static console_state con_st;
|
||||
static llama_context ** g_ctx;
|
||||
|
||||
static bool is_interacting = false;
|
||||
|
||||
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__)) || defined (_WIN32)
|
||||
@ -46,7 +45,7 @@ void sigint_handler(int signo) {
|
||||
if (!is_interacting) {
|
||||
is_interacting=true;
|
||||
} else {
|
||||
console_cleanup(con_st);
|
||||
console::cleanup();
|
||||
printf("\n");
|
||||
llama_print_timings(*g_ctx);
|
||||
_exit(130);
|
||||
@ -64,10 +63,8 @@ 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;
|
||||
con_st.multiline_input = params.multiline_input;
|
||||
console_init(con_st);
|
||||
atexit([]() { console_cleanup(con_st); });
|
||||
console::init(params.simple_io, params.use_color);
|
||||
atexit([]() { console::cleanup(); });
|
||||
|
||||
if (params.perplexity) {
|
||||
printf("\n************\n");
|
||||
@ -373,7 +370,7 @@ int main(int argc, char ** argv) {
|
||||
|
||||
if (params.interactive) {
|
||||
const char *control_message;
|
||||
if (con_st.multiline_input) {
|
||||
if (params.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 {
|
||||
@ -401,7 +398,7 @@ int main(int argc, char ** argv) {
|
||||
int n_past_guidance = 0;
|
||||
|
||||
// the first thing we will do is to output the prompt, so set color accordingly
|
||||
console_set_color(con_st, CONSOLE_COLOR_PROMPT);
|
||||
console::set_display(console::prompt);
|
||||
|
||||
std::vector<llama_token> embd;
|
||||
std::vector<llama_token> embd_guidance;
|
||||
@ -422,9 +419,9 @@ int main(int argc, char ** argv) {
|
||||
// Ensure the input doesn't exceed the context size by truncating embd if necessary.
|
||||
if ((int)embd.size() > max_embd_size) {
|
||||
auto skipped_tokens = embd.size() - max_embd_size;
|
||||
console_set_color(con_st, CONSOLE_COLOR_ERROR);
|
||||
console::set_display(console::error);
|
||||
printf("<<input too long: skipped %zu token%s>>", skipped_tokens, skipped_tokens != 1 ? "s" : "");
|
||||
console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
console::set_display(console::reset);
|
||||
fflush(stdout);
|
||||
embd.resize(max_embd_size);
|
||||
}
|
||||
@ -667,7 +664,7 @@ 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) {
|
||||
console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
console::set_display(console::reset);
|
||||
}
|
||||
|
||||
// if not currently processing queued inputs;
|
||||
@ -693,7 +690,7 @@ int main(int argc, char ** argv) {
|
||||
if (last_output.find(antiprompt.c_str(), search_start_pos) != std::string::npos) {
|
||||
if (params.interactive) {
|
||||
is_interacting = true;
|
||||
console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
console::set_display(console::user_input);
|
||||
}
|
||||
is_antiprompt = true;
|
||||
fflush(stdout);
|
||||
@ -714,7 +711,7 @@ int main(int argc, char ** argv) {
|
||||
|
||||
is_interacting = true;
|
||||
printf("\n");
|
||||
console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
console::set_display(console::user_input);
|
||||
fflush(stdout);
|
||||
} else if (params.instruct) {
|
||||
is_interacting = true;
|
||||
@ -739,12 +736,12 @@ int main(int argc, char ** argv) {
|
||||
std::string line;
|
||||
bool another_line = true;
|
||||
do {
|
||||
another_line = console_readline(con_st, line);
|
||||
another_line = console::readline(line, params.multiline_input);
|
||||
buffer += line;
|
||||
} while (another_line);
|
||||
|
||||
// done taking input, reset color
|
||||
console_set_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
console::set_display(console::reset);
|
||||
|
||||
// Add tokens to embd only if the input buffer is non-empty
|
||||
// Entering a empty line lets the user pass control back
|
||||
|
||||
Loading…
Reference in New Issue
Block a user