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llama.cpp
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chat : avoid including json in chat.h (#21306)

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Georgi Gerganov 2026-04-03 09:07:59 +03:00 committed by GitHub
parent 39b27f0da0
commit 57ace0d612
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4 changed files with 33 additions and 61 deletions
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2
common/chat-auto-parser-helpers.h
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@ -1,7 +1,7 @@
#pragma once
#include "chat-auto-parser.h"
#include "peg-parser.h"
#include <functional>
#include <optional>
#include <string>

1
common/chat-auto-parser.h
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@ -4,6 +4,7 @@
#include "common.h"
#include "jinja/caps.h"
#include "peg-parser.h"
#include "nlohmann/json.hpp"
#include <chrono>
#include <optional>

36
common/chat.cpp
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@ -13,6 +13,8 @@
#include "jinja/caps.h"
#include "peg-parser.h"
#include "nlohmann/json.hpp"
#include <cstdio>
#include <cstdlib>
#include <ctime>
@ -762,12 +764,12 @@ static void foreach_parameter(const json &
}
}
std::string common_chat_template_direct_apply(
static std::string common_chat_template_direct_apply_impl(
const common_chat_template & tmpl,
const autoparser::generation_params & inputs,
const std::optional<json> & messages_override,
const std::optional<json> & tools_override,
const std::optional<json> & additional_context) {
const std::optional<json> & messages_override = std::nullopt,
const std::optional<json> & tools_override = std::nullopt,
const std::optional<json> & additional_context = std::nullopt) {
jinja::context ctx(tmpl.source());
nlohmann::ordered_json inp = nlohmann::ordered_json{
@ -814,6 +816,12 @@ std::string common_chat_template_direct_apply(
return result;
}
std::string common_chat_template_direct_apply(
const common_chat_template & tmpl,
const autoparser::generation_params & inputs) {
return common_chat_template_direct_apply_impl(tmpl, inputs, std::nullopt, std::nullopt, std::nullopt);
}
static common_chat_params common_chat_params_init_ministral_3(const common_chat_template & tmpl,
const autoparser::generation_params & inputs) {
common_chat_params data;
@ -864,7 +872,7 @@ static common_chat_params common_chat_params_init_ministral_3(const common_chat_
data.supports_thinking = true;
data.thinking_start_tag = "[THINK]";
data.thinking_end_tag = "[/THINK]";
data.prompt = common_chat_template_direct_apply(tmpl, inputs, /* messages_override = */ adjusted_messages);
data.prompt = common_chat_template_direct_apply_impl(tmpl, inputs, /* messages_override = */ adjusted_messages);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.preserved_tokens = {
"[THINK]",
@ -947,7 +955,7 @@ static common_chat_params common_chat_params_init_gpt_oss(const common_chat_temp
adjusted_messages.push_back(msg);
}
auto prompt = common_chat_template_direct_apply(tmpl, inputs, /* messages_override= */ adjusted_messages);
auto prompt = common_chat_template_direct_apply_impl(tmpl, inputs, /* messages_override= */ adjusted_messages);
// Check if we need to replace the return token with end token during
// inference and without generation prompt. For more details see:
@ -1074,7 +1082,7 @@ static common_chat_params common_chat_params_init_functionary_v3_2(const common_
const autoparser::generation_params & inputs) {
common_chat_params data;
data.prompt = common_chat_template_direct_apply(tmpl, inputs);
data.prompt = common_chat_template_direct_apply_impl(tmpl, inputs);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.preserved_tokens = {
">>>all",
@ -1168,7 +1176,7 @@ static common_chat_params common_chat_params_init_kimi_k2(const common_chat_temp
const autoparser::generation_params & inputs) {
common_chat_params data;
data.prompt = common_chat_template_direct_apply(tmpl, inputs);
data.prompt = common_chat_template_direct_apply_impl(tmpl, inputs);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.supports_thinking = true;
data.preserved_tokens = {
@ -1291,7 +1299,7 @@ static common_chat_params common_chat_params_init_lfm2(const common_chat_templat
const autoparser::generation_params & inputs) {
common_chat_params data;
data.prompt = common_chat_template_direct_apply(tmpl, inputs);
data.prompt = common_chat_template_direct_apply_impl(tmpl, inputs);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.supports_thinking = true;
data.preserved_tokens = {
@ -1370,7 +1378,7 @@ static common_chat_params common_chat_params_init_lfm2_5(const common_chat_templ
const autoparser::generation_params & inputs) {
common_chat_params data;
data.prompt = common_chat_template_direct_apply(tmpl, inputs);
data.prompt = common_chat_template_direct_apply_impl(tmpl, inputs);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.supports_thinking = true;
data.preserved_tokens = {
@ -1441,7 +1449,7 @@ static common_chat_params common_chat_params_init_gigachat_v3(
common_chat_params data;
data.prompt = common_chat_template_direct_apply(tmpl, inputs);
data.prompt = common_chat_template_direct_apply_impl(tmpl, inputs);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.supports_thinking = false;
data.preserved_tokens = {
@ -1724,9 +1732,9 @@ static common_chat_params common_chat_templates_apply_jinja(const struct common_
}
params.add_generation_prompt = false;
std::string no_gen_prompt = common_chat_template_direct_apply(tmpl, params);
std::string no_gen_prompt = common_chat_template_direct_apply_impl(tmpl, params);
params.add_generation_prompt = true;
std::string gen_prompt = common_chat_template_direct_apply(tmpl, params);
std::string gen_prompt = common_chat_template_direct_apply_impl(tmpl, params);
auto diff = calculate_diff_split(no_gen_prompt, gen_prompt);
params.generation_prompt = diff.right;
@ -1760,7 +1768,7 @@ static common_chat_params common_chat_templates_apply_jinja(const struct common_
common_chat_params data;
auto params_copy = params;
params_copy.reasoning_format = COMMON_REASONING_FORMAT_NONE;
data.prompt = common_chat_template_direct_apply(tmpl, params_copy);
data.prompt = common_chat_template_direct_apply_impl(tmpl, params_copy);
data.format = COMMON_CHAT_FORMAT_PEG_NATIVE;
data.generation_prompt = params.generation_prompt;
auto parser = build_chat_peg_parser([&params](common_chat_peg_builder &p) {

55
common/chat.h
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@ -3,12 +3,12 @@
#pragma once
#include "common.h"
#include "jinja/parser.h"
#include "nlohmann/json_fwd.hpp"
#include "peg-parser.h"
#include "jinja/parser.h"
#include "jinja/runtime.h"
#include "jinja/caps.h"
#include "nlohmann/json.hpp"
#include "nlohmann/json_fwd.hpp"
#include <chrono>
#include <functional>
@ -19,8 +19,6 @@
using chat_template_caps = jinja::caps;
using json = nlohmann::ordered_json;
#include <nlohmann/json_fwd.hpp>
struct common_chat_templates;
namespace autoparser {
@ -75,41 +73,9 @@ struct common_chat_template {
const std::string & bos_token() const { return bos_tok; }
const std::string & eos_token() const { return eos_tok; }
// TODO: this is ugly, refactor it somehow
json add_system(const json & messages, const std::string & system_prompt) const {
GGML_ASSERT(messages.is_array());
auto msgs_copy = messages;
if (!caps.supports_system_role) {
if (msgs_copy.empty()) {
msgs_copy.insert(msgs_copy.begin(), json{
{"role", "user"},
{"content", system_prompt}
});
} else {
auto & first_msg = msgs_copy[0];
if (!first_msg.contains("content")) {
first_msg["content"] = "";
}
first_msg["content"] = system_prompt + "\n\n"
+ first_msg["content"].get<std::string>();
}
} else {
if (msgs_copy.empty() || msgs_copy[0].at("role") != "system") {
msgs_copy.insert(msgs_copy.begin(), json{
{"role", "system"},
{"content", system_prompt}
});
} else if (msgs_copy[0].at("role") == "system") {
msgs_copy[0]["content"] = system_prompt;
}
}
return msgs_copy;
}
chat_template_caps original_caps() const {
return caps;
}
};
struct common_chat_msg {
@ -257,8 +223,8 @@ common_chat_templates_ptr common_chat_templates_init(const struct llama_model *
const std::string & bos_token_override = "",
const std::string & eos_token_override = "");
bool common_chat_templates_was_explicit(const struct common_chat_templates * tmpls);
std::string common_chat_templates_source(const struct common_chat_templates * tmpls, const std::string & variant = "");
bool common_chat_templates_was_explicit(const struct common_chat_templates * tmpls);
std::string common_chat_templates_source(const struct common_chat_templates * tmpls, const std::string & variant = "");
struct common_chat_params common_chat_templates_apply(const struct common_chat_templates * tmpls,
const struct common_chat_templates_inputs & inputs);
@ -275,9 +241,9 @@ std::string common_chat_format_example(const struct common_chat_templates *
bool use_jinja,
const std::map<std::string, std::string> & chat_template_kwargs);
const char * common_chat_format_name(common_chat_format format);
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_parser_params & params);
common_chat_msg common_chat_peg_parse(const common_peg_arena & src_parser, const std::string & input, bool is_partial, const common_chat_parser_params & params);
const char * common_chat_format_name(common_chat_format format);
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_parser_params & params);
common_chat_msg common_chat_peg_parse(const common_peg_arena & src_parser, const std::string & input, bool is_partial, const common_chat_parser_params & params);
// used by arg and server
const char * common_reasoning_format_name(common_reasoning_format format);
@ -303,7 +269,4 @@ std::map<std::string, bool> common_chat_templates_get_caps(const common_chat_tem
std::string common_chat_template_direct_apply(
const common_chat_template & tmpl,
const autoparser::generation_params & inputs,
const std::optional<json> & messages_override = std::nullopt,
const std::optional<json> & tools_override = std::nullopt,
const std::optional<json> & additional_context = std::nullopt);
const autoparser::generation_params & inputs);