mirror of
https://github.com/ggerganov/llama.cpp.git
synced 2025-02-05 08:00:42 +01:00
579 lines
24 KiB
C++
579 lines
24 KiB
C++
#include "llama-chat.h"
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#include "llama.h"
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#include <map>
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#include <sstream>
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#if __cplusplus >= 202000L
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#define LU8(x) (const char*)(u8##x)
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#else
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#define LU8(x) u8##x
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#endif
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// trim whitespace from the beginning and end of a string
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static std::string trim(const std::string & str) {
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size_t start = 0;
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size_t end = str.size();
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while (start < end && isspace(str[start])) {
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start += 1;
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}
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while (end > start && isspace(str[end - 1])) {
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end -= 1;
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}
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return str.substr(start, end - start);
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}
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static const std::map<std::string, llm_chat_template> LLM_CHAT_TEMPLATES = {
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{ "chatml", LLM_CHAT_TEMPLATE_CHATML },
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{ "llama2", LLM_CHAT_TEMPLATE_LLAMA_2 },
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{ "llama2-sys", LLM_CHAT_TEMPLATE_LLAMA_2_SYS },
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{ "llama2-sys-bos", LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS },
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{ "llama2-sys-strip", LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP },
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{ "mistral-v1", LLM_CHAT_TEMPLATE_MISTRAL_V1 },
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{ "mistral-v3", LLM_CHAT_TEMPLATE_MISTRAL_V3 },
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{ "mistral-v3-tekken", LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN },
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{ "mistral-v7", LLM_CHAT_TEMPLATE_MISTRAL_V7 },
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{ "phi3", LLM_CHAT_TEMPLATE_PHI_3 },
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{ "phi4", LLM_CHAT_TEMPLATE_PHI_4 },
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{ "falcon3", LLM_CHAT_TEMPLATE_FALCON_3 },
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{ "zephyr", LLM_CHAT_TEMPLATE_ZEPHYR },
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{ "monarch", LLM_CHAT_TEMPLATE_MONARCH },
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{ "gemma", LLM_CHAT_TEMPLATE_GEMMA },
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{ "orion", LLM_CHAT_TEMPLATE_ORION },
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{ "openchat", LLM_CHAT_TEMPLATE_OPENCHAT },
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{ "vicuna", LLM_CHAT_TEMPLATE_VICUNA },
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{ "vicuna-orca", LLM_CHAT_TEMPLATE_VICUNA_ORCA },
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{ "deepseek", LLM_CHAT_TEMPLATE_DEEPSEEK },
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{ "deepseek2", LLM_CHAT_TEMPLATE_DEEPSEEK_2 },
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{ "deepseek3", LLM_CHAT_TEMPLATE_DEEPSEEK_3 },
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{ "command-r", LLM_CHAT_TEMPLATE_COMMAND_R },
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{ "llama3", LLM_CHAT_TEMPLATE_LLAMA_3 },
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{ "chatglm3", LLM_CHAT_TEMPLATE_CHATGML_3 },
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{ "chatglm4", LLM_CHAT_TEMPLATE_CHATGML_4 },
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{ "minicpm", LLM_CHAT_TEMPLATE_MINICPM },
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{ "exaone3", LLM_CHAT_TEMPLATE_EXAONE_3 },
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{ "rwkv-world", LLM_CHAT_TEMPLATE_RWKV_WORLD },
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{ "granite", LLM_CHAT_TEMPLATE_GRANITE },
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{ "gigachat", LLM_CHAT_TEMPLATE_GIGACHAT },
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{ "megrez", LLM_CHAT_TEMPLATE_MEGREZ },
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};
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llm_chat_template llm_chat_template_from_str(const std::string & name) {
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return LLM_CHAT_TEMPLATES.at(name);
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}
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llm_chat_template llm_chat_detect_template(const std::string & tmpl) {
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try {
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return llm_chat_template_from_str(tmpl);
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} catch (const std::out_of_range &) {
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// ignore
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}
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auto tmpl_contains = [&tmpl](const char * haystack) -> bool {
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return tmpl.find(haystack) != std::string::npos;
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};
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if (tmpl_contains("<|im_start|>")) {
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return tmpl_contains("<|im_sep|>")
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? LLM_CHAT_TEMPLATE_PHI_4
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: LLM_CHAT_TEMPLATE_CHATML;
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} else if (tmpl.find("mistral") == 0 || tmpl_contains("[INST]")) {
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if (tmpl_contains("[SYSTEM_PROMPT]")) {
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return LLM_CHAT_TEMPLATE_MISTRAL_V7;
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} else if (
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// catches official 'v1' template
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tmpl_contains("' [INST] ' + system_message")
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// catches official 'v3' and 'v3-tekken' templates
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|| tmpl_contains("[AVAILABLE_TOOLS]")
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) {
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// Official mistral 'v1', 'v3' and 'v3-tekken' templates
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// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/chat_templates.md
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// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/templates.md
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if (tmpl_contains(" [INST]")) {
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return LLM_CHAT_TEMPLATE_MISTRAL_V1;
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} else if (tmpl_contains("\"[INST]\"")) {
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return LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN;
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}
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return LLM_CHAT_TEMPLATE_MISTRAL_V3;
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} else {
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// llama2 template and its variants
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// [variant] support system message
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// See: https://huggingface.co/blog/llama2#how-to-prompt-llama-2
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bool support_system_message = tmpl_contains("<<SYS>>");
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bool add_bos_inside_history = tmpl_contains("bos_token + '[INST]");
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bool strip_message = tmpl_contains("content.strip()");
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if (strip_message) {
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return LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP;
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} else if (add_bos_inside_history) {
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return LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS;
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} else if (support_system_message) {
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return LLM_CHAT_TEMPLATE_LLAMA_2_SYS;
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} else {
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return LLM_CHAT_TEMPLATE_LLAMA_2;
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}
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}
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} else if (tmpl_contains("<|assistant|>") && tmpl_contains("<|end|>")) {
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return LLM_CHAT_TEMPLATE_PHI_3;
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} else if (tmpl_contains("<|assistant|>") && tmpl_contains("<|user|>")) {
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return LLM_CHAT_TEMPLATE_FALCON_3;
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} else if (tmpl_contains("<|user|>") && tmpl_contains("<|endoftext|>")) {
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return LLM_CHAT_TEMPLATE_ZEPHYR;
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} else if (tmpl_contains("bos_token + message['role']")) {
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return LLM_CHAT_TEMPLATE_MONARCH;
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} else if (tmpl_contains("<start_of_turn>")) {
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return LLM_CHAT_TEMPLATE_GEMMA;
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} else if (tmpl_contains("'\\n\\nAssistant: ' + eos_token")) {
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// OrionStarAI/Orion-14B-Chat
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return LLM_CHAT_TEMPLATE_ORION;
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} else if (tmpl_contains("GPT4 Correct ")) {
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// openchat/openchat-3.5-0106
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return LLM_CHAT_TEMPLATE_OPENCHAT;
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} else if (tmpl_contains("USER: ") && tmpl_contains("ASSISTANT: ")) {
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// eachadea/vicuna-13b-1.1 (and Orca variant)
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if (tmpl_contains("SYSTEM: ")) {
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return LLM_CHAT_TEMPLATE_VICUNA_ORCA;
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}
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return LLM_CHAT_TEMPLATE_VICUNA;
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} else if (tmpl_contains("### Instruction:") && tmpl_contains("<|EOT|>")) {
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// deepseek-ai/deepseek-coder-33b-instruct
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return LLM_CHAT_TEMPLATE_DEEPSEEK;
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} else if (tmpl_contains("<|START_OF_TURN_TOKEN|>") && tmpl_contains("<|USER_TOKEN|>")) {
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// CohereForAI/c4ai-command-r-plus
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return LLM_CHAT_TEMPLATE_COMMAND_R;
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} else if (tmpl_contains("<|start_header_id|>") && tmpl_contains("<|end_header_id|>")) {
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return LLM_CHAT_TEMPLATE_LLAMA_3;
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} else if (tmpl_contains("[gMASK]sop")) {
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// chatglm3-6b
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return LLM_CHAT_TEMPLATE_CHATGML_3;
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} else if (tmpl_contains("[gMASK]<sop>")) {
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return LLM_CHAT_TEMPLATE_CHATGML_4;
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} else if (tmpl_contains(LU8("<用户>"))) {
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// MiniCPM-3B-OpenHermes-2.5-v2-GGUF
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return LLM_CHAT_TEMPLATE_MINICPM;
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} else if (tmpl_contains("'Assistant: ' + message['content'] + eos_token")) {
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return LLM_CHAT_TEMPLATE_DEEPSEEK_2;
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} else if (tmpl_contains(LU8("'<｜Assistant｜>' + message['content'] + '<｜end▁of▁sentence｜>'"))) {
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return LLM_CHAT_TEMPLATE_DEEPSEEK_3;
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} else if (tmpl_contains("[|system|]") && tmpl_contains("[|assistant|]") && tmpl_contains("[|endofturn|]")) {
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// ref: https://huggingface.co/LGAI-EXAONE/EXAONE-3.0-7.8B-Instruct/discussions/8#66bae61b1893d14ee8ed85bb
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// EXAONE-3.0-7.8B-Instruct
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return LLM_CHAT_TEMPLATE_EXAONE_3;
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} else if (tmpl_contains("rwkv-world")) {
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return LLM_CHAT_TEMPLATE_RWKV_WORLD;
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} else if (tmpl_contains("<|start_of_role|>")) {
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return LLM_CHAT_TEMPLATE_GRANITE;
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} else if (tmpl_contains("message['role'] + additional_special_tokens[0] + message['content'] + additional_special_tokens[1]")) {
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return LLM_CHAT_TEMPLATE_GIGACHAT;
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} else if (tmpl_contains("<|role_start|>")) {
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return LLM_CHAT_TEMPLATE_MEGREZ;
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}
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return LLM_CHAT_TEMPLATE_UNKNOWN;
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}
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// Simple version of "llama_apply_chat_template" that only works with strings
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// This function uses heuristic checks to determine commonly used template. It is not a jinja parser.
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int32_t llm_chat_apply_template(
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llm_chat_template tmpl,
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const std::vector<const llama_chat_message *> & chat,
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std::string & dest, bool add_ass) {
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// Taken from the research: https://github.com/ggerganov/llama.cpp/issues/5527
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std::stringstream ss;
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if (tmpl == LLM_CHAT_TEMPLATE_CHATML) {
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// chatml template
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for (auto message : chat) {
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ss << "<|im_start|>" << message->role << "\n" << message->content << "<|im_end|>\n";
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}
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if (add_ass) {
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ss << "<|im_start|>assistant\n";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V7) {
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// Official mistral 'v7' template
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// See: https://huggingface.co/mistralai/Mistral-Large-Instruct-2411#basic-instruct-template-v7
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for (auto message : chat) {
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std::string role(message->role);
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std::string content(message->content);
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if (role == "system") {
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ss << "[SYSTEM_PROMPT] " << content << "[/SYSTEM_PROMPT]";
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} else if (role == "user") {
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ss << "[INST] " << content << "[/INST]";
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}
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else {
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ss << " " << content << "</s>";
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}
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V1
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|| tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3
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|| tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN) {
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// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/chat_templates.md
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// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/templates.md
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std::string leading_space = tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V1 ? " " : "";
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std::string trailing_space = tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN ? "" : " ";
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bool trim_assistant_message = tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3;
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bool is_inside_turn = false;
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for (auto message : chat) {
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if (!is_inside_turn) {
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ss << leading_space << "[INST]" << trailing_space;
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is_inside_turn = true;
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}
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std::string role(message->role);
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std::string content(message->content);
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if (role == "system") {
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ss << content << "\n\n";
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} else if (role == "user") {
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ss << content << leading_space << "[/INST]";
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} else {
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ss << trailing_space << (trim_assistant_message ? trim(content) : content) << "</s>";
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is_inside_turn = false;
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}
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}
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} else if (
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tmpl == LLM_CHAT_TEMPLATE_LLAMA_2
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|| tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS
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|| tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS
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|| tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP) {
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// llama2 template and its variants
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// [variant] support system message
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// See: https://huggingface.co/blog/llama2#how-to-prompt-llama-2
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bool support_system_message = tmpl != LLM_CHAT_TEMPLATE_LLAMA_2;
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// [variant] add BOS inside history
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bool add_bos_inside_history = tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS;
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// [variant] trim spaces from the input message
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bool strip_message = tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP;
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// construct the prompt
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bool is_inside_turn = true; // skip BOS at the beginning
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ss << "[INST] ";
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for (auto message : chat) {
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std::string content = strip_message ? trim(message->content) : message->content;
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std::string role(message->role);
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if (!is_inside_turn) {
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is_inside_turn = true;
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ss << (add_bos_inside_history ? "<s>[INST] " : "[INST] ");
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}
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if (role == "system") {
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if (support_system_message) {
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ss << "<<SYS>>\n" << content << "\n<</SYS>>\n\n";
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} else {
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// if the model does not support system message, we still include it in the first message, but without <<SYS>>
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ss << content << "\n";
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}
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} else if (role == "user") {
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ss << content << " [/INST]";
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} else {
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ss << content << "</s>";
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is_inside_turn = false;
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}
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_PHI_3) {
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// Phi 3
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for (auto message : chat) {
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std::string role(message->role);
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ss << "<|" << role << "|>\n" << message->content << "<|end|>\n";
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}
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if (add_ass) {
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ss << "<|assistant|>\n";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_PHI_4) {
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// chatml template
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for (auto message : chat) {
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ss << "<|im_start|>" << message->role << "<|im_sep|>" << message->content << "<|im_end|>";
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}
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if (add_ass) {
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ss << "<|im_start|>assistant<|im_sep|>";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_FALCON_3) {
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// Falcon 3
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for (auto message : chat) {
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std::string role(message->role);
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ss << "<|" << role << "|>\n" << message->content << "\n";
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}
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if (add_ass) {
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ss << "<|assistant|>\n";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_ZEPHYR) {
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// zephyr template
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for (auto message : chat) {
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ss << "<|" << message->role << "|>" << "\n" << message->content << "<|endoftext|>\n";
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}
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if (add_ass) {
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ss << "<|assistant|>\n";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_MONARCH) {
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// mlabonne/AlphaMonarch-7B template (the <s> is included inside history)
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for (auto message : chat) {
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std::string bos = (message == chat.front()) ? "" : "<s>"; // skip BOS for first message
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ss << bos << message->role << "\n" << message->content << "</s>\n";
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}
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if (add_ass) {
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ss << "<s>assistant\n";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_GEMMA) {
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// google/gemma-7b-it
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std::string system_prompt = "";
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for (auto message : chat) {
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std::string role(message->role);
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if (role == "system") {
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// there is no system message for gemma, but we will merge it with user prompt, so nothing is broken
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system_prompt = trim(message->content);
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continue;
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}
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// in gemma, "assistant" is "model"
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role = role == "assistant" ? "model" : message->role;
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ss << "<start_of_turn>" << role << "\n";
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if (!system_prompt.empty() && role != "model") {
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ss << system_prompt << "\n\n";
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system_prompt = "";
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}
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ss << trim(message->content) << "<end_of_turn>\n";
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}
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if (add_ass) {
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ss << "<start_of_turn>model\n";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_ORION) {
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// OrionStarAI/Orion-14B-Chat
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std::string system_prompt = "";
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for (auto message : chat) {
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std::string role(message->role);
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if (role == "system") {
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// there is no system message support, we will merge it with user prompt
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system_prompt = message->content;
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continue;
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} else if (role == "user") {
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ss << "Human: ";
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if (!system_prompt.empty()) {
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ss << system_prompt << "\n\n";
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system_prompt = "";
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}
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ss << message->content << "\n\nAssistant: </s>";
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} else {
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ss << message->content << "</s>";
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}
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_OPENCHAT) {
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// openchat/openchat-3.5-0106,
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for (auto message : chat) {
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std::string role(message->role);
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if (role == "system") {
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ss << message->content << "<|end_of_turn|>";
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} else {
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role[0] = toupper(role[0]);
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ss << "GPT4 Correct " << role << ": " << message->content << "<|end_of_turn|>";
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}
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}
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if (add_ass) {
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ss << "GPT4 Correct Assistant:";
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}
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} else if (tmpl == LLM_CHAT_TEMPLATE_VICUNA || tmpl == LLM_CHAT_TEMPLATE_VICUNA_ORCA) {
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// eachadea/vicuna-13b-1.1 (and Orca variant)
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for (auto message : chat) {
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std::string role(message->role);
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if (role == "system") {
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// Orca-Vicuna variant uses a system prefix
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if (tmpl == LLM_CHAT_TEMPLATE_VICUNA_ORCA) {
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ss << "SYSTEM: " << message->content << "\n";
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} else {
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ss << message->content << "\n\n";
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}
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} else if (role == "user") {
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ss << "USER: " << message->content << "\n";
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} else if (role == "assistant") {
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ss << "ASSISTANT: " << message->content << "</s>\n";
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}
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}
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if (add_ass) {
|
||
ss << "ASSISTANT:";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_DEEPSEEK) {
|
||
// deepseek-ai/deepseek-coder-33b-instruct
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "system") {
|
||
ss << message->content;
|
||
} else if (role == "user") {
|
||
ss << "### Instruction:\n" << message->content << "\n";
|
||
} else if (role == "assistant") {
|
||
ss << "### Response:\n" << message->content << "\n<|EOT|>\n";
|
||
}
|
||
}
|
||
if (add_ass) {
|
||
ss << "### Response:\n";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_COMMAND_R) {
|
||
// CohereForAI/c4ai-command-r-plus
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "system") {
|
||
ss << "<|START_OF_TURN_TOKEN|><|SYSTEM_TOKEN|>" << trim(message->content) << "<|END_OF_TURN_TOKEN|>";
|
||
} else if (role == "user") {
|
||
ss << "<|START_OF_TURN_TOKEN|><|USER_TOKEN|>" << trim(message->content) << "<|END_OF_TURN_TOKEN|>";
|
||
} else if (role == "assistant") {
|
||
ss << "<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>" << trim(message->content) << "<|END_OF_TURN_TOKEN|>";
|
||
}
|
||
}
|
||
if (add_ass) {
|
||
ss << "<|START_OF_TURN_TOKEN|><|CHATBOT_TOKEN|>";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_LLAMA_3) {
|
||
// Llama 3
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
ss << "<|start_header_id|>" << role << "<|end_header_id|>\n\n" << trim(message->content) << "<|eot_id|>";
|
||
}
|
||
if (add_ass) {
|
||
ss << "<|start_header_id|>assistant<|end_header_id|>\n\n";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_CHATGML_3) {
|
||
// chatglm3-6b
|
||
ss << "[gMASK]" << "sop";
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
ss << "<|" << role << "|>" << "\n " << message->content;
|
||
}
|
||
if (add_ass) {
|
||
ss << "<|assistant|>";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_CHATGML_4) {
|
||
ss << "[gMASK]" << "<sop>";
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
ss << "<|" << role << "|>" << "\n" << message->content;
|
||
}
|
||
if (add_ass) {
|
||
ss << "<|assistant|>";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_MINICPM) {
|
||
// MiniCPM-3B-OpenHermes-2.5-v2-GGUF
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "user") {
|
||
ss << LU8("<用户>");
|
||
ss << trim(message->content);
|
||
ss << "<AI>";
|
||
} else {
|
||
ss << trim(message->content);
|
||
}
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_DEEPSEEK_2) {
|
||
// DeepSeek-V2
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "system") {
|
||
ss << message->content << "\n\n";
|
||
} else if (role == "user") {
|
||
ss << "User: " << message->content << "\n\n";
|
||
} else if (role == "assistant") {
|
||
ss << "Assistant: " << message->content << LU8("<｜end▁of▁sentence｜>");
|
||
}
|
||
}
|
||
if (add_ass) {
|
||
ss << "Assistant:";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_DEEPSEEK_3) {
|
||
// DeepSeek-V3
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "system") {
|
||
ss << message->content << "\n\n";
|
||
} else if (role == "user") {
|
||
ss << LU8("<｜User｜>") << message->content;
|
||
} else if (role == "assistant") {
|
||
ss << LU8("<｜Assistant｜>") << message->content << LU8("<｜end▁of▁sentence｜>");
|
||
}
|
||
}
|
||
if (add_ass) {
|
||
ss << LU8("<｜Assistant｜>");
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_EXAONE_3) {
|
||
// ref: https://huggingface.co/LGAI-EXAONE/EXAONE-3.0-7.8B-Instruct/discussions/8#66bae61b1893d14ee8ed85bb
|
||
// EXAONE-3.0-7.8B-Instruct
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "system") {
|
||
ss << "[|system|]" << trim(message->content) << "[|endofturn|]\n";
|
||
} else if (role == "user") {
|
||
ss << "[|user|]" << trim(message->content) << "\n";
|
||
} else if (role == "assistant") {
|
||
ss << "[|assistant|]" << trim(message->content) << "[|endofturn|]\n";
|
||
}
|
||
}
|
||
if (add_ass) {
|
||
ss << "[|assistant|]";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_RWKV_WORLD) {
|
||
// this template requires the model to have "\n\n" as EOT token
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
if (role == "user") {
|
||
ss << "User: " << message->content << "\n\nAssistant:";
|
||
} else {
|
||
ss << message->content << "\n\n";
|
||
}
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_GRANITE) {
|
||
// IBM Granite template
|
||
for (const auto & message : chat) {
|
||
std::string role(message->role);
|
||
ss << "<|start_of_role|>" << role << "<|end_of_role|>";
|
||
if (role == "assistant_tool_call") {
|
||
ss << "<|tool_call|>";
|
||
}
|
||
ss << message->content << "<|end_of_text|>\n";
|
||
}
|
||
if (add_ass) {
|
||
ss << "<|start_of_role|>assistant<|end_of_role|>\n";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_GIGACHAT) {
|
||
// GigaChat template
|
||
bool has_system = !chat.empty() && std::string(chat[0]->role) == "system";
|
||
|
||
// Handle system message if present
|
||
if (has_system) {
|
||
ss << "<s>" << chat[0]->content << "<|message_sep|>";
|
||
} else {
|
||
ss << "<s>";
|
||
}
|
||
|
||
// Process remaining messages
|
||
for (size_t i = has_system ? 1 : 0; i < chat.size(); i++) {
|
||
std::string role(chat[i]->role);
|
||
if (role == "user") {
|
||
ss << "user<|role_sep|>" << chat[i]->content << "<|message_sep|>"
|
||
<< "available functions<|role_sep|>[]<|message_sep|>";
|
||
} else if (role == "assistant") {
|
||
ss << "assistant<|role_sep|>" << chat[i]->content << "<|message_sep|>";
|
||
}
|
||
}
|
||
|
||
// Add generation prompt if needed
|
||
if (add_ass) {
|
||
ss << "assistant<|role_sep|>";
|
||
}
|
||
} else if (tmpl == LLM_CHAT_TEMPLATE_MEGREZ) {
|
||
// Megrez template
|
||
for (auto message : chat) {
|
||
std::string role(message->role);
|
||
ss << "<|role_start|>" << role << "<|role_end|>" << message->content << "<|turn_end|>";
|
||
}
|
||
|
||
if (add_ass) {
|
||
ss << "<|role_start|>assistant<|role_end|>";
|
||
}
|
||
} else {
|
||
// template not supported
|
||
return -1;
|
||
}
|
||
dest = ss.str();
|
||
return dest.size();
|
||
}
|
||
|
||
// public interface
|
||
|
||
int32_t llama_chat_builtin_templates(const char ** output, size_t len) {
|
||
auto it = LLM_CHAT_TEMPLATES.begin();
|
||
for (size_t i = 0; i < std::min(len, LLM_CHAT_TEMPLATES.size()); i++) {
|
||
output[i] = it->first.c_str();
|
||
std::advance(it, 1);
|
||
}
|
||
return (int32_t) LLM_CHAT_TEMPLATES.size();
|
||
}
|
||
|