forked from ggml-org/llama.cpp
-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathllama-chat.cpp
567 lines (551 loc) · 23.8 KB
/
llama-chat.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
#include "llama-chat.h"
#include "llama.h"
#include <map>
#include <sstream>
#if __cplusplus >= 202000L
#define LU8(x) (const char*)(u8##x)
#else
#define LU8(x) u8##x
#endif
// trim whitespace from the beginning and end of a string
static std::string trim(const std::string & str) {
size_t start = 0;
size_t end = str.size();
while (start < end && isspace(str[start])) {
start += 1;
}
while (end > start && isspace(str[end - 1])) {
end -= 1;
}
return str.substr(start, end - start);
}
static const std::map<std::string, llm_chat_template> LLM_CHAT_TEMPLATES = {
{ "chatml", LLM_CHAT_TEMPLATE_CHATML },
{ "llama2", LLM_CHAT_TEMPLATE_LLAMA_2 },
{ "llama2-sys", LLM_CHAT_TEMPLATE_LLAMA_2_SYS },
{ "llama2-sys-bos", LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS },
{ "llama2-sys-strip", LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP },
{ "mistral-v1", LLM_CHAT_TEMPLATE_MISTRAL_V1 },
{ "mistral-v3", LLM_CHAT_TEMPLATE_MISTRAL_V3 },
{ "mistral-v3-tekken", LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN },
{ "mistral-v7", LLM_CHAT_TEMPLATE_MISTRAL_V7 },
{ "phi3", LLM_CHAT_TEMPLATE_PHI_3 },
{ "falcon3", LLM_CHAT_TEMPLATE_FALCON_3 },
{ "zephyr", LLM_CHAT_TEMPLATE_ZEPHYR },
{ "monarch", LLM_CHAT_TEMPLATE_MONARCH },
{ "gemma", LLM_CHAT_TEMPLATE_GEMMA },
{ "orion", LLM_CHAT_TEMPLATE_ORION },
{ "openchat", LLM_CHAT_TEMPLATE_OPENCHAT },
{ "vicuna", LLM_CHAT_TEMPLATE_VICUNA },
{ "vicuna-orca", LLM_CHAT_TEMPLATE_VICUNA_ORCA },
{ "deepseek", LLM_CHAT_TEMPLATE_DEEPSEEK },
{ "deepseek2", LLM_CHAT_TEMPLATE_DEEPSEEK_2 },
{ "deepseek3", LLM_CHAT_TEMPLATE_DEEPSEEK_3 },
{ "command-r", LLM_CHAT_TEMPLATE_COMMAND_R },
{ "llama3", LLM_CHAT_TEMPLATE_LLAMA_3 },
{ "chatglm3", LLM_CHAT_TEMPLATE_CHATGML_3 },
{ "chatglm4", LLM_CHAT_TEMPLATE_CHATGML_4 },
{ "minicpm", LLM_CHAT_TEMPLATE_MINICPM },
{ "exaone3", LLM_CHAT_TEMPLATE_EXAONE_3 },
{ "rwkv-world", LLM_CHAT_TEMPLATE_RWKV_WORLD },
{ "granite", LLM_CHAT_TEMPLATE_GRANITE },
{ "gigachat", LLM_CHAT_TEMPLATE_GIGACHAT },
{ "megrez", LLM_CHAT_TEMPLATE_MEGREZ },
};
llm_chat_template llm_chat_template_from_str(const std::string & name) {
return LLM_CHAT_TEMPLATES.at(name);
}
llm_chat_template llm_chat_detect_template(const std::string & tmpl) {
try {
return llm_chat_template_from_str(tmpl);
} catch (const std::out_of_range &) {
// ignore
}
auto tmpl_contains = [&tmpl](const char * haystack) -> bool {
return tmpl.find(haystack) != std::string::npos;
};
if (tmpl_contains("<|im_start|>")) {
return LLM_CHAT_TEMPLATE_CHATML;
} else if (tmpl.find("mistral") == 0 || tmpl_contains("[INST]")) {
if (tmpl_contains("[SYSTEM_PROMPT]")) {
return LLM_CHAT_TEMPLATE_MISTRAL_V7;
} else if (
// catches official 'v1' template
tmpl_contains("' [INST] ' + system_message")
// catches official 'v3' and 'v3-tekken' templates
|| tmpl_contains("[AVAILABLE_TOOLS]")
) {
// Official mistral 'v1', 'v3' and 'v3-tekken' templates
// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/chat_templates.md
// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/templates.md
if (tmpl_contains(" [INST]")) {
return LLM_CHAT_TEMPLATE_MISTRAL_V1;
} else if (tmpl_contains("\"[INST]\"")) {
return LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN;
}
return LLM_CHAT_TEMPLATE_MISTRAL_V3;
} else {
// llama2 template and its variants
// [variant] support system message
// See: https://huggingface.co/blog/llama2#how-to-prompt-llama-2
bool support_system_message = tmpl_contains("<<SYS>>");
bool add_bos_inside_history = tmpl_contains("bos_token + '[INST]");
bool strip_message = tmpl_contains("content.strip()");
if (strip_message) {
return LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP;
} else if (add_bos_inside_history) {
return LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS;
} else if (support_system_message) {
return LLM_CHAT_TEMPLATE_LLAMA_2_SYS;
} else {
return LLM_CHAT_TEMPLATE_LLAMA_2;
}
}
} else if (tmpl_contains("<|assistant|>") && tmpl_contains("<|end|>")) {
return LLM_CHAT_TEMPLATE_PHI_3;
} else if (tmpl_contains("<|assistant|>") && tmpl_contains("<|user|>")) {
return LLM_CHAT_TEMPLATE_FALCON_3;
} else if (tmpl_contains("<|user|>") && tmpl_contains("<|endoftext|>")) {
return LLM_CHAT_TEMPLATE_ZEPHYR;
} else if (tmpl_contains("bos_token + message['role']")) {
return LLM_CHAT_TEMPLATE_MONARCH;
} else if (tmpl_contains("<start_of_turn>")) {
return LLM_CHAT_TEMPLATE_GEMMA;
} else if (tmpl_contains("'\\n\\nAssistant: ' + eos_token")) {
// OrionStarAI/Orion-14B-Chat
return LLM_CHAT_TEMPLATE_ORION;
} else if (tmpl_contains("GPT4 Correct ")) {
// openchat/openchat-3.5-0106
return LLM_CHAT_TEMPLATE_OPENCHAT;
} else if (tmpl_contains("USER: ") && tmpl_contains("ASSISTANT: ")) {
// eachadea/vicuna-13b-1.1 (and Orca variant)
if (tmpl_contains("SYSTEM: ")) {
return LLM_CHAT_TEMPLATE_VICUNA_ORCA;
}
return LLM_CHAT_TEMPLATE_VICUNA;
} else if (tmpl_contains("### Instruction:") && tmpl_contains("<|EOT|>")) {
// deepseek-ai/deepseek-coder-33b-instruct
return LLM_CHAT_TEMPLATE_DEEPSEEK;
} else if (tmpl_contains("<|START_OF_TURN_TOKEN|>") && tmpl_contains("<|USER_TOKEN|>")) {
// CohereForAI/c4ai-command-r-plus
return LLM_CHAT_TEMPLATE_COMMAND_R;
} else if (tmpl_contains("<|start_header_id|>") && tmpl_contains("<|end_header_id|>")) {
return LLM_CHAT_TEMPLATE_LLAMA_3;
} else if (tmpl_contains("[gMASK]sop")) {
// chatglm3-6b
return LLM_CHAT_TEMPLATE_CHATGML_3;
} else if (tmpl_contains("[gMASK]<sop>")) {
return LLM_CHAT_TEMPLATE_CHATGML_4;
} else if (tmpl_contains(LU8("<用户>"))) {
// MiniCPM-3B-OpenHermes-2.5-v2-GGUF
return LLM_CHAT_TEMPLATE_MINICPM;
} else if (tmpl_contains("'Assistant: ' + message['content'] + eos_token")) {
return LLM_CHAT_TEMPLATE_DEEPSEEK_2;
} else if (tmpl_contains(LU8("'<｜Assistant｜>' + message['content'] + '<｜end▁of▁sentence｜>'"))) {
return LLM_CHAT_TEMPLATE_DEEPSEEK_3;
} else if (tmpl_contains("[|system|]") && tmpl_contains("[|assistant|]") && tmpl_contains("[|endofturn|]")) {
// ref: https://huggingface.co/LGAI-EXAONE/EXAONE-3.0-7.8B-Instruct/discussions/8#66bae61b1893d14ee8ed85bb
// EXAONE-3.0-7.8B-Instruct
return LLM_CHAT_TEMPLATE_EXAONE_3;
} else if (tmpl_contains("rwkv-world")) {
return LLM_CHAT_TEMPLATE_RWKV_WORLD;
} else if (tmpl_contains("<|start_of_role|>")) {
return LLM_CHAT_TEMPLATE_GRANITE;
} else if (tmpl_contains("message['role'] + additional_special_tokens[0] + message['content'] + additional_special_tokens[1]")) {
return LLM_CHAT_TEMPLATE_GIGACHAT;
} else if (tmpl_contains("<|role_start|>")) {
return LLM_CHAT_TEMPLATE_MEGREZ;
}
return LLM_CHAT_TEMPLATE_UNKNOWN;
}
// Simple version of "llama_apply_chat_template" that only works with strings
// This function uses heuristic checks to determine commonly used template. It is not a jinja parser.
int32_t llm_chat_apply_template(
llm_chat_template tmpl,
const std::vector<const llama_chat_message *> & chat,
std::string & dest, bool add_ass) {
// Taken from the research: https://github.com/ggerganov/llama.cpp/issues/5527
std::stringstream ss;
if (tmpl == LLM_CHAT_TEMPLATE_CHATML) {
// chatml template
for (auto message : chat) {
ss << "<|im_start|>" << message->role << "\n" << message->content << "<|im_end|>\n";
}
if (add_ass) {
ss << "<|im_start|>assistant\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V7) {
// Official mistral 'v7' template
// See: https://huggingface.co/mistralai/Mistral-Large-Instruct-2411#basic-instruct-template-v7
for (auto message : chat) {
std::string role(message->role);
std::string content(message->content);
if (role == "system") {
ss << "[SYSTEM_PROMPT] " << content << "[/SYSTEM_PROMPT]";
} else if (role == "user") {
ss << "[INST] " << content << "[/INST]";
}
else {
ss << " " << content << "</s>";
}
}
} else if (tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V1
|| tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3
|| tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN) {
// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/chat_templates.md
// See: https://github.com/mistralai/cookbook/blob/main/concept-deep-dive/tokenization/templates.md
std::string leading_space = tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V1 ? " " : "";
std::string trailing_space = tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3_TEKKEN ? "" : " ";
bool trim_assistant_message = tmpl == LLM_CHAT_TEMPLATE_MISTRAL_V3;
bool is_inside_turn = false;
for (auto message : chat) {
if (!is_inside_turn) {
ss << leading_space << "[INST]" << trailing_space;
is_inside_turn = true;
}
std::string role(message->role);
std::string content(message->content);
if (role == "system") {
ss << content << "\n\n";
} else if (role == "user") {
ss << content << leading_space << "[/INST]";
} else {
ss << trailing_space << (trim_assistant_message ? trim(content) : content) << "</s>";
is_inside_turn = false;
}
}
} else if (
tmpl == LLM_CHAT_TEMPLATE_LLAMA_2
|| tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS
|| tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS
|| tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP) {
// llama2 template and its variants
// [variant] support system message
// See: https://huggingface.co/blog/llama2#how-to-prompt-llama-2
bool support_system_message = tmpl != LLM_CHAT_TEMPLATE_LLAMA_2;
// [variant] add BOS inside history
bool add_bos_inside_history = tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_BOS;
// [variant] trim spaces from the input message
bool strip_message = tmpl == LLM_CHAT_TEMPLATE_LLAMA_2_SYS_STRIP;
// construct the prompt
bool is_inside_turn = true; // skip BOS at the beginning
ss << "[INST] ";
for (auto message : chat) {
std::string content = strip_message ? trim(message->content) : message->content;
std::string role(message->role);
if (!is_inside_turn) {
is_inside_turn = true;
ss << (add_bos_inside_history ? "<s>[INST] " : "[INST] ");
}
if (role == "system") {
if (support_system_message) {
ss << "<<SYS>>\n" << content << "\n<</SYS>>\n\n";
} else {
// if the model does not support system message, we still include it in the first message, but without <<SYS>>
ss << content << "\n";
}
} else if (role == "user") {
ss << content << " [/INST]";
} else {
ss << content << "</s>";
is_inside_turn = false;
}
}
} else if (tmpl == LLM_CHAT_TEMPLATE_PHI_3) {
// Phi 3
for (auto message : chat) {
std::string role(message->role);
ss << "<|" << role << "|>\n" << message->content << "<|end|>\n";
}
if (add_ass) {
ss << "<|assistant|>\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_FALCON_3) {
// Falcon 3
for (auto message : chat) {
std::string role(message->role);
ss << "<|" << role << "|>\n" << message->content << "\n";
}
if (add_ass) {
ss << "<|assistant|>\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_ZEPHYR) {
// zephyr template
for (auto message : chat) {
ss << "<|" << message->role << "|>" << "\n" << message->content << "<|endoftext|>\n";
}
if (add_ass) {
ss << "<|assistant|>\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_MONARCH) {
// mlabonne/AlphaMonarch-7B template (the <s> is included inside history)
for (auto message : chat) {
std::string bos = (message == chat.front()) ? "" : "<s>"; // skip BOS for first message
ss << bos << message->role << "\n" << message->content << "</s>\n";
}
if (add_ass) {
ss << "<s>assistant\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_GEMMA) {
// google/gemma-7b-it
std::string system_prompt = "";
for (auto message : chat) {
std::string role(message->role);
if (role == "system") {
// there is no system message for gemma, but we will merge it with user prompt, so nothing is broken
system_prompt = trim(message->content);
continue;
}
// in gemma, "assistant" is "model"
role = role == "assistant" ? "model" : message->role;
ss << "<start_of_turn>" << role << "\n";
if (!system_prompt.empty() && role != "model") {
ss << system_prompt << "\n\n";
system_prompt = "";
}
ss << trim(message->content) << "<end_of_turn>\n";
}
if (add_ass) {
ss << "<start_of_turn>model\n";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_ORION) {
// OrionStarAI/Orion-14B-Chat
std::string system_prompt = "";
for (auto message : chat) {
std::string role(message->role);
if (role == "system") {
// there is no system message support, we will merge it with user prompt
system_prompt = message->content;
continue;
} else if (role == "user") {
ss << "Human: ";
if (!system_prompt.empty()) {
ss << system_prompt << "\n\n";
system_prompt = "";
}
ss << message->content << "\n\nAssistant: </s>";
} else {
ss << message->content << "</s>";
}
}
} else if (tmpl == LLM_CHAT_TEMPLATE_OPENCHAT) {
// openchat/openchat-3.5-0106,
for (auto message : chat) {
std::string role(message->role);
if (role == "system") {
ss << message->content << "<|end_of_turn|>";
} else {
role[0] = toupper(role[0]);
ss << "GPT4 Correct " << role << ": " << message->content << "<|end_of_turn|>";
}
}
if (add_ass) {
ss << "GPT4 Correct Assistant:";
}
} else if (tmpl == LLM_CHAT_TEMPLATE_VICUNA || tmpl == LLM_CHAT_TEMPLATE_VICUNA_ORCA) {
// eachadea/vicuna-13b-1.1 (and Orca variant)
for (auto message : chat) {
std::string role(message->role);
if (role == "system") {
// Orca-Vicuna variant uses a system prefix
if (tmpl == LLM_CHAT_TEMPLATE_VICUNA_ORCA) {
ss << "SYSTEM: " << message->content << "\n";
} else {
ss << message->content << "\n\n";
}
} else if (role == "user") {
ss << "USER: " << message->content << "\n";
} else if (role == "assistant") {
ss << "ASSISTANT: " << message->content << "</s>\n";
}
}
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();
}