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Upgrade llama.cpp to e6a46b0ed1884c77267dc70693183e3b7164e0e0
This commit is contained in:
Justine Tunney
parent
5a455eaa0b
commit
5f57fc1f59
8 changed files with 2001 additions and 820 deletions
490
third_party/ggml/common.cc
vendored
490
third_party/ggml/common.cc
vendored
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@ -27,13 +27,19 @@
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│ │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "third_party/ggml/common.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/termios.h"
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#include "libc/calls/termios.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/fileno.h"
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#include "third_party/libcxx/algorithm"
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#include "third_party/libcxx/cassert"
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#include "third_party/libcxx/cstring"
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#include "third_party/libcxx/fstream"
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#include "third_party/libcxx/iterator"
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#include "third_party/libcxx/sstream"
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#include "third_party/libcxx/string"
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STATIC_YOINK("zipos");
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@ -76,7 +82,9 @@ static bool append_file_to_prompt(const char *path, gpt_params & params) {
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fprintf(stderr, "error: failed to open file '%s'\n", path);
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return false;
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}
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std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(params.prompt));
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std::copy(std::istreambuf_iterator<char>(file),
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std::istreambuf_iterator<char>(),
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back_inserter(params.prompt));
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if (params.prompt.back() == '\n') {
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params.prompt.pop_back();
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}
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@ -172,6 +180,36 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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break;
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}
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params.repeat_penalty = std::stof(argv[i]);
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} else if (arg == "--frequency_penalty") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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params.frequency_penalty = std::stof(argv[i]);
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} else if (arg == "--presence_penalty") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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params.presence_penalty = std::stof(argv[i]);
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} else if (arg == "--mirostat") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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params.mirostat = std::stoi(argv[i]);
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} else if (arg == "--mirostat_lr") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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params.mirostat_eta = std::stof(argv[i]);
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} else if (arg == "--mirostat_ent") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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params.mirostat_tau = std::stof(argv[i]);
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} else if (arg == "-b" || arg == "--batch_size") {
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if (++i >= argc) {
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invalid_param = true;
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@ -218,6 +256,8 @@ 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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@ -237,7 +277,24 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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} else if (arg == "--perplexity") {
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params.perplexity = true;
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} else if (arg == "--ignore-eos") {
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params.ignore_eos = true;
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params.logit_bias[llama_token_eos()] = -INFINITY;
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} else if (arg == "--no-penalize-nl") {
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params.penalize_nl = false;
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} else if (arg == "-l" || arg == "--logit-bias") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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std::stringstream ss(argv[i]);
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llama_token key = 0;
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char sign = 0;
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std::string value_str;
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if (ss >> key && ss >> sign && std::getline(ss, value_str) && (sign == '+' || sign == '-')) {
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params.logit_bias[key] = std::stof(value_str) * ((sign == '-') ? -1.0f : 1.0f);
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} else {
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invalid_param = true;
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break;
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}
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} else if (arg == "--n_parts") {
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if (++i >= argc) {
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invalid_param = true;
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@ -255,6 +312,12 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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break;
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}
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params.input_prefix = argv[i];
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} else if (arg == "--in-suffix") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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params.input_suffix = argv[i];
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} else {
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fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());
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gpt_print_usage(argc, argv, default_params);
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@ -283,11 +346,11 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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std::string user_prompt;
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user_prompt.append(user);
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user_prompt.append(":");
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params.logit_bias[llama_token_eos()] = -INFINITY;
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params.antiprompt.push_back(user_prompt);
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params.repeat_penalty = 1.17647;
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params.repeat_last_n = 256;
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params.interactive = true;
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params.ignore_eos = true;
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params.n_predict = -1;
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params.n_ctx = 2048;
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params.n_keep = 0;
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@ -309,27 +372,45 @@ 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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fprintf(stderr, " --color colorise output to distinguish prompt and user input from generations\n");
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fprintf(stderr, " -s SEED, --seed SEED RNG seed (default: -1, use random seed for <= 0)\n");
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fprintf(stderr, " -s SEED, --seed SEED RNG seed (default: -1, use random seed for < 0)\n");
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fprintf(stderr, " -t N, --threads N number of threads to use during computation (default: %d)\n", params.n_threads);
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fprintf(stderr, " -p PROMPT, --prompt PROMPT\n");
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fprintf(stderr, " prompt to start generation with (default: Companion AI)\n");
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fprintf(stderr, " --random-prompt start with a randomized prompt.\n");
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fprintf(stderr, " --in-prefix STRING string to prefix user inputs with (default: empty)\n");
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fprintf(stderr, " --in-suffix STRING string to suffix after user inputs with (default: empty)\n");
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fprintf(stderr, " -f FNAME, --file FNAME\n");
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fprintf(stderr, " text file containing prompt (default: Companion AI)\n");
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fprintf(stderr, " -C FNAME, --prompt_cache FNAME\n");
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fprintf(stderr, " path of cache for fast prompt reload (default: .prompt.jtlp)\n");
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fprintf(stderr, " -n N, --n_predict N number of tokens to predict (default: %d, -1 = infinity)\n", params.n_predict);
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fprintf(stderr, " --top_k N top-k sampling (default: %d)\n", params.top_k);
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fprintf(stderr, " --top_p N top-p sampling (default: %.1f)\n", (double)params.top_p);
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fprintf(stderr, " --top_k N top-k sampling (default: %d, 0 = disabled)\n", params.top_k);
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fprintf(stderr, " --top_p N top-p sampling (default: %.1f, 1.0 = disabled)\n", (double)params.top_p);
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fprintf(stderr, " --tfs N tail free sampling, parameter z (default: %.1f, 1.0 = disabled)\n", (double)params.tfs_z);
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fprintf(stderr, " --typical N locally typical sampling, parameter p (default: %.1f, 1.0 = disabled)\n", (double)params.typical_p);
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fprintf(stderr, " --repeat_last_n N last n tokens to consider for penalize (default: %d, 0 = disabled, -1 = ctx_size)\n", params.repeat_last_n);
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fprintf(stderr, " --repeat_penalty N penalize repeat sequence of tokens (default: %.1f, 1.0 = disabled)\n", (double)params.repeat_penalty);
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fprintf(stderr, " --presence_penalty N repeat alpha presence penalty (default: %.1f, 0.0 = disabled)\n", (double)params.presence_penalty);
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fprintf(stderr, " --frequency_penalty N repeat alpha frequency penalty (default: %.1f, 0.0 = disabled)\n", (double)params.frequency_penalty);
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fprintf(stderr, " --mirostat N use Mirostat sampling.\n");
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fprintf(stderr, " Top K, Nucleus, Tail Free and Locally Typical samplers are ignored if used.\n");
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fprintf(stderr, " (default: %d, 0 = disabled, 1 = Mirostat, 2 = Mirostat 2.0)\n", params.mirostat);
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fprintf(stderr, " --mirostat_lr N Mirostat learning rate, parameter eta (default: %.1f)\n", (double)params.mirostat_eta);
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fprintf(stderr, " --mirostat_ent N Mirostat target entropy, parameter tau (default: %.1f)\n", (double)params.mirostat_tau);
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fprintf(stderr, " -l TOKEN_ID(+/-)BIAS, --logit-bias TOKEN_ID(+/-)BIAS\n");
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fprintf(stderr, " modifies the likelihood of token appearing in the completion,\n");
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fprintf(stderr, " i.e. `--logit-bias 15043+1` to increase likelihood of token ' Hello',\n");
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fprintf(stderr, " or `--logit-bias 15043-1` to decrease likelihood of token ' Hello'\n");
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fprintf(stderr, " --repeat_last_n N last n tokens to consider for penalize (default: %d)\n", params.repeat_last_n);
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fprintf(stderr, " --repeat_penalty N penalize repeat sequence of tokens (default: %.1f)\n", (double)params.repeat_penalty);
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fprintf(stderr, " -c N, --ctx_size N size of the prompt context (default: %d)\n", params.n_ctx);
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fprintf(stderr, " --ignore-eos ignore end of stream token and continue generating\n");
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fprintf(stderr, " --ignore-eos ignore end of stream token and continue generating (implies --logit-bias 2-inf)\n");
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fprintf(stderr, " --no-penalize-nl do not penalize newline token\n");
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fprintf(stderr, " --memory_f32 use f32 instead of f16 for memory key+value\n");
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fprintf(stderr, " --temp N temperature (default: %.1f)\n", (double)params.temp);
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fprintf(stderr, " --n_parts N number of model parts (default: -1 = determine from dimensions)\n");
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@ -374,62 +455,381 @@ std::string gpt_random_prompt(std::mt19937 & rng) {
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// TODO: not great allocating this every time
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std::vector<llama_token> llama_tokenize(struct llama_context * ctx, const std::string & text, bool add_bos) {
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// initialize to prompt numer of chars, since n_tokens <= n_prompt_chars
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std::vector<llama_token> res(text.size() + (int)add_bos);
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int n = llama_tokenize(ctx, text.c_str(), res.data(), res.size(), add_bos);
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std::vector<llama_token> res(text.size() + (int) add_bos);
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const int n = llama_tokenize(ctx, text.c_str(), res.data(), res.size(), add_bos);
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assert(n >= 0);
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res.resize(n);
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return res;
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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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struct llama_context * llama_init_from_gpt_params(const gpt_params & params) {
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auto lparams = llama_context_default_params();
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lparams.n_ctx = params.n_ctx;
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lparams.n_parts = params.n_parts;
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lparams.seed = params.seed;
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lparams.f16_kv = params.memory_f16;
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lparams.use_mmap = params.use_mmap;
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lparams.use_mlock = params.use_mlock;
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lparams.logits_all = params.perplexity;
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lparams.embedding = params.embedding;
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llama_context * lctx = llama_init_from_file(params.model.c_str(), lparams, params.verbose);
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if (lctx == NULL) {
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fprintf(stderr, "%s: error: failed to load model '%s'\n", __func__, params.model.c_str());
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return NULL;
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}
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fflush(stdout);
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if (!params.lora_adapter.empty()) {
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int err = llama_apply_lora_from_file(lctx,
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params.lora_adapter.c_str(),
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params.lora_base.empty() ? NULL : params.lora_base.c_str(),
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params.n_threads);
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if (err != 0) {
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fprintf(stderr, "%s: error: failed to apply lora adapter\n", __func__);
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return NULL;
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}
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}
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return lctx;
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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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setvbuf(con_st.tty, NULL, _IONBF, 0);
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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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}
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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) {
|
||||
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);
|
||||
}
|
||||
|
||||
void pop_cursor(console_state & con_st) {
|
||||
#if defined(_WIN32)
|
||||
if (con_st.hConsole != NULL) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
|
||||
GetConsoleScreenBufferInfo(con_st.hConsole, &bufferInfo);
|
||||
|
||||
COORD newCursorPosition = bufferInfo.dwCursorPosition;
|
||||
if (newCursorPosition.X == 0) {
|
||||
newCursorPosition.X = bufferInfo.dwSize.X - 1;
|
||||
newCursorPosition.Y -= 1;
|
||||
} else {
|
||||
newCursorPosition.X -= 1;
|
||||
}
|
||||
|
||||
SetConsoleCursorPosition(con_st.hConsole, newCursorPosition);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
putc('\b', con_st.out);
|
||||
}
|
||||
|
||||
int estimateWidth(char32_t codepoint) {
|
||||
#if defined(_WIN32)
|
||||
return 1;
|
||||
#else
|
||||
return wcwidth(codepoint);
|
||||
#endif
|
||||
}
|
||||
|
||||
int put_codepoint(console_state & con_st, const char* utf8_codepoint, size_t length, int expectedWidth) {
|
||||
#if defined(_WIN32)
|
||||
CONSOLE_SCREEN_BUFFER_INFO bufferInfo;
|
||||
if (!GetConsoleScreenBufferInfo(con_st.hConsole, &bufferInfo)) {
|
||||
// go with the default
|
||||
return expectedWidth;
|
||||
}
|
||||
COORD initialPosition = bufferInfo.dwCursorPosition;
|
||||
DWORD nNumberOfChars = length;
|
||||
WriteConsole(con_st.hConsole, utf8_codepoint, nNumberOfChars, &nNumberOfChars, NULL);
|
||||
|
||||
CONSOLE_SCREEN_BUFFER_INFO newBufferInfo;
|
||||
GetConsoleScreenBufferInfo(con_st.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(con_st.hConsole, &" \b", 2, &nNumberOfChars, NULL);
|
||||
GetConsoleScreenBufferInfo(con_st.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 || con_st.tty == nullptr) {
|
||||
fwrite(utf8_codepoint, length, 1, con_st.out);
|
||||
return expectedWidth;
|
||||
}
|
||||
|
||||
fputs("\033[6n", con_st.tty); // Query cursor position
|
||||
int x1, x2, y1, y2;
|
||||
int results = 0;
|
||||
results = fscanf(con_st.tty, "\033[%d;%dR", &y1, &x1);
|
||||
|
||||
fwrite(utf8_codepoint, length, 1, con_st.tty);
|
||||
|
||||
fputs("\033[6n", con_st.tty); // Query cursor position
|
||||
results += fscanf(con_st.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(console_state & con_st, char ch) {
|
||||
#if defined(_WIN32)
|
||||
pop_cursor(con_st);
|
||||
put_codepoint(con_st, &ch, 1, 1);
|
||||
#else
|
||||
fprintf(con_st.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 console_readline(console_state & con_st, std::string & line) {
|
||||
console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
if (con_st.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(con_st.out); // Ensure all output is displayed before waiting for input
|
||||
input_char = getchar32();
|
||||
|
||||
if (input_char == '\r' || input_char == '\n') {
|
||||
break;
|
||||
}
|
||||
|
||||
if (input_char == WEOF || input_char == 0x04 /* Ctrl+D*/) {
|
||||
end_of_stream = true;
|
||||
break;
|
||||
}
|
||||
|
||||
if (is_special_char) {
|
||||
console_set_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
replace_last(con_st, 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()) != 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(con_st, ' ');
|
||||
pop_cursor(con_st);
|
||||
}
|
||||
pop_back_utf8_char(line);
|
||||
} while (count == 0 && !widths.empty());
|
||||
}
|
||||
} else {
|
||||
int offset = line.length();
|
||||
append_utf8(input_char, line);
|
||||
int width = put_codepoint(con_st, 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() == '/')) {
|
||||
console_set_color(con_st, CONSOLE_COLOR_PROMPT);
|
||||
replace_last(con_st, line.back());
|
||||
is_special_char = true;
|
||||
}
|
||||
}
|
||||
|
||||
bool has_more = con_st.multiline_input;
|
||||
if (is_special_char) {
|
||||
replace_last(con_st, ' ');
|
||||
pop_cursor(con_st);
|
||||
|
||||
char last = line.back();
|
||||
line.pop_back();
|
||||
if (last == '\\') {
|
||||
line += '\n';
|
||||
fputc('\n', con_st.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(con_st);
|
||||
}
|
||||
has_more = false;
|
||||
}
|
||||
} else {
|
||||
if (end_of_stream) {
|
||||
has_more = false;
|
||||
} else {
|
||||
line += '\n';
|
||||
fputc('\n', con_st.out);
|
||||
}
|
||||
}
|
||||
|
||||
fflush(con_st.out);
|
||||
return has_more;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue