cli : fix reasoning responses in CLI (#18961)

* cli : fix reasoning responses in CLI

* fix build

* fix build (2)
This commit is contained in:
Xuan-Son Nguyen 2026-01-20 18:23:25 +01:00 committed by GitHub
parent d1e3556481
commit 2c1f199653
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12 changed files with 417 additions and 390 deletions

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@ -129,7 +129,7 @@ static void parse_json_tool_calls(
}
}
common_chat_msg_parser::common_chat_msg_parser(const std::string & input, bool is_partial, const common_chat_syntax & syntax)
common_chat_msg_parser::common_chat_msg_parser(const std::string & input, bool is_partial, const common_chat_parser_params & syntax)
: input_(input), is_partial_(is_partial), syntax_(syntax)
{
result_.role = "assistant";
@ -1611,7 +1611,7 @@ static void common_chat_parse(common_chat_msg_parser & builder) {
builder.finish();
}
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_syntax & syntax) {
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_parser_params & syntax) {
if (syntax.format == COMMON_CHAT_FORMAT_PEG_SIMPLE ||
syntax.format == COMMON_CHAT_FORMAT_PEG_NATIVE ||
syntax.format == COMMON_CHAT_FORMAT_PEG_CONSTRUCTED) {
@ -1635,7 +1635,7 @@ common_chat_msg common_chat_parse(const std::string & input, bool is_partial, co
return msg;
}
common_chat_msg common_chat_peg_parse(const common_peg_arena & parser, const std::string & input, bool is_partial, const common_chat_syntax & syntax) {
common_chat_msg common_chat_peg_parse(const common_peg_arena & parser, const std::string & input, bool is_partial, const common_chat_parser_params & syntax) {
if (parser.empty()) {
throw std::runtime_error("Failed to parse due to missing parser definition.");
}

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@ -5,7 +5,7 @@
#include "json-partial.h"
#include "regex-partial.h"
#include <nlohmann/json.hpp>
#include <nlohmann/json_fwd.hpp>
#include <optional>
#include <string>
@ -19,20 +19,20 @@ class common_chat_msg_partial_exception : public std::runtime_error {
class common_chat_msg_parser {
std::string input_;
bool is_partial_;
common_chat_syntax syntax_;
common_chat_parser_params syntax_; // TODO: rename to params
std::string healing_marker_;
size_t pos_ = 0;
common_chat_msg result_;
public:
common_chat_msg_parser(const std::string & input, bool is_partial, const common_chat_syntax & syntax);
common_chat_msg_parser(const std::string & input, bool is_partial, const common_chat_parser_params & syntax);
const std::string & input() const { return input_; }
size_t pos() const { return pos_; }
const std::string & healing_marker() const { return healing_marker_; }
const bool & is_partial() const { return is_partial_; }
const common_chat_msg & result() const { return result_; }
const common_chat_syntax & syntax() const { return syntax_; }
const common_chat_parser_params & syntax() const { return syntax_; }
void move_to(size_t pos) {
if (pos > input_.size()) {

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@ -145,7 +145,7 @@ struct common_chat_templates_inputs {
std::vector<common_chat_tool> tools;
common_chat_tool_choice tool_choice = COMMON_CHAT_TOOL_CHOICE_AUTO;
bool parallel_tool_calls = false;
common_reasoning_format reasoning_format = COMMON_REASONING_FORMAT_NONE;
common_reasoning_format reasoning_format = COMMON_REASONING_FORMAT_NONE; // TODO: refactor this to "bool enable_thinking"
bool enable_thinking = true;
std::chrono::system_clock::time_point now = std::chrono::system_clock::now();
std::map<std::string, std::string> chat_template_kwargs;
@ -165,14 +165,21 @@ struct common_chat_params {
std::string parser;
};
struct common_chat_syntax {
// per-message parsing syntax
// should be derived from common_chat_params
struct common_chat_parser_params {
common_chat_format format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
common_reasoning_format reasoning_format = COMMON_REASONING_FORMAT_NONE;
common_reasoning_format reasoning_format = COMMON_REASONING_FORMAT_NONE; // TODO: refactor this to "bool parse_reasoning"
// Whether reasoning_content should be inlined in the content (e.g. for reasoning_format=deepseek in stream mode)
bool reasoning_in_content = false;
bool thinking_forced_open = false;
bool parse_tool_calls = true;
common_peg_arena parser = {};
common_chat_parser_params() = default;
common_chat_parser_params(const common_chat_params & chat_params) {
format = chat_params.format;
thinking_forced_open = chat_params.thinking_forced_open;
}
};
// Check if the template supplied via "--chat-template" is supported or not. Returns true if it's valid
@ -213,10 +220,12 @@ std::string common_chat_format_example(
const std::map<std::string, std::string> & chat_template_kwargs);
const char* common_chat_format_name(common_chat_format format);
const char* common_reasoning_format_name(common_reasoning_format format);
common_reasoning_format common_reasoning_format_from_name(const std::string & format);
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_syntax & syntax);
common_chat_msg common_chat_peg_parse(const common_peg_arena & parser, const std::string & input, bool is_partial, const common_chat_syntax & syntax);
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_parser_params & syntax);
common_chat_msg common_chat_peg_parse(const common_peg_arena & parser, const std::string & input, bool is_partial, const common_chat_parser_params & syntax);
// used by arg and server
const char * common_reasoning_format_name(common_reasoning_format format);
common_reasoning_format common_reasoning_format_from_name(const std::string & format);
common_chat_tool_choice common_chat_tool_choice_parse_oaicompat(const std::string & tool_choice);

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@ -284,6 +284,7 @@ struct common_params_diffusion {
};
// reasoning API response format (not to be confused as chat template's reasoning format)
// only used by server
enum common_reasoning_format {
COMMON_REASONING_FORMAT_NONE,
COMMON_REASONING_FORMAT_AUTO, // Same as deepseek, using `message.reasoning_content`

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@ -1,5 +1,6 @@
#pragma once
// TODO: use json_fwd.hpp when possible
#include <nlohmann/json.hpp>
// Healing marker (empty if the JSON was fully parsed / wasn't healed).

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@ -54,113 +54,109 @@ static void assert_throws(const std::function<void()> & fn, const std::string &
static void test_reasoning() {
//common_log_set_verbosity_thold(LOG_DEFAULT_DEBUG);
{
common_chat_msg_parser builder("<tnk>Cogito</tnk>Ergo sum", /* is_partial= */ false, {
/* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_NONE,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
});
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
params.reasoning_format = COMMON_REASONING_FORMAT_NONE;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
common_chat_msg_parser builder("<tnk>Cogito</tnk>Ergo sum", /* is_partial= */ false, params);
assert_equals(false, builder.try_parse_reasoning("<tnk>", "</tnk>"));
assert_equals("<tnk>Cogito</tnk>Ergo sum", builder.consume_rest());
}
{
common_chat_msg_parser builder("<tnk>Cogito</tnk>Ergo sum", /* is_partial= */ false, {
/* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
});
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
common_chat_msg_parser builder("<tnk>Cogito</tnk>Ergo sum", /* is_partial= */ false, params);
assert_equals(true, builder.try_parse_reasoning("<tnk>", "</tnk>"));
assert_equals(std::string("Cogito"), builder.result().reasoning_content);
assert_equals("Ergo sum", builder.consume_rest());
}
{
common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, {
/* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_NONE,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
});
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
params.reasoning_format = COMMON_REASONING_FORMAT_NONE;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, params);
assert_equals(false, builder.try_parse_reasoning("<tnk>", "</tnk>"));
assert_equals("Cogito</tnk>Ergo sum", builder.consume_rest());
}
{
common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, {
/* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
});
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, params);
assert_equals(true, builder.try_parse_reasoning("<tnk>", "</tnk>"));
assert_equals(std::string("Cogito"), builder.result().reasoning_content);
assert_equals("Ergo sum", builder.consume_rest());
}
{
common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, {
/* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ true,
/* .thinking_forced_open = */ true,
});
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = true;
params.thinking_forced_open = true;
common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, params);
assert_equals(true, builder.try_parse_reasoning("<tnk>", "</tnk>"));
assert_equals("<think>Cogito</think>", builder.result().content);
assert_equals("Ergo sum", builder.consume_rest());
}
{
const std::string variant("content_only_inline_think");
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
/* .parse_tool_calls = */ false,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_CONTENT_ONLY;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
params.parse_tool_calls = false;
const std::string input = "<think>Pense</think>Bonjour";
auto msg = common_chat_parse(input, false, syntax);
auto msg = common_chat_parse(input, false, params);
assert_equals(variant, std::string("Pense"), msg.reasoning_content);
assert_equals(variant, std::string("Bonjour"), msg.content);
}
{
const std::string variant("llama_3_inline_think");
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_LLAMA_3_X,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
/* .parse_tool_calls = */ false,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_LLAMA_3_X;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
params.parse_tool_calls = false;
const std::string input = "<think>Plan</think>Réponse";
auto msg = common_chat_parse(input, false, syntax);
auto msg = common_chat_parse(input, false, params);
assert_equals(variant, std::string("Plan"), msg.reasoning_content);
assert_equals(variant, std::string("Réponse"), msg.content);
}
// Test DeepSeek V3.1 parsing - reasoning content followed by "</think>" and then regular content
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("deepseek_v3_1_reasoning_format_deepseek");
common_chat_msg_parser builder("REASONING</think>ok", /* is_partial= */ false, syntax);
common_chat_msg_parser builder("REASONING</think>ok", /* is_partial= */ false, params);
assert_equals(variant, true, builder.try_parse_reasoning("<think>", "</think>"));
assert_equals(variant, std::string("REASONING"), builder.result().reasoning_content);
assert_equals(variant, std::string("ok"), builder.consume_rest());
}
// Test DeepSeek V3.1 parsing - reasoning_format none - reasoning content followed by "</think>" and then regular content
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_NONE,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_NONE;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("deepseek_v3_1_reasoning_format_none");
const std::string input = "REASONING</think>ok";
auto msg = common_chat_parse(input, false, syntax);
auto msg = common_chat_parse(input, false, params);
assert_equals(variant, std::string("REASONING</think>ok"), msg.content);
assert_equals(variant, std::string(""), msg.reasoning_content);
}
@ -256,15 +252,14 @@ static void test_deepseek_v3_1_tool_calls() {
//common_log_set_verbosity_thold(LOG_DEFAULT_DEBUG);
// variant: happy path for when it works as the model card says it should
const std::string variant("simple");
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
params.parse_tool_calls = true;
const std::string input = "<tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Tokyo\"}<tool▁call▁end><tool▁calls▁end>";
auto msg = common_chat_parse(input, false, syntax);
auto msg = common_chat_parse(input, false, params);
assert_equals<std::size_t>(variant, 1, msg.tool_calls.size());
assert_equals(variant, std::string("get_time"), msg.tool_calls[0].name);
// JSON arguments are dumped without spaces
@ -274,16 +269,15 @@ static void test_deepseek_v3_1_tool_calls() {
// variant: simple + thinking open
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("simple_thinking");
const std::string in = "REASONING</think><tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Tokyo\"}<tool▁call▁end><tool▁calls▁end>";
auto m = common_chat_parse(in, false, syntax);
auto m = common_chat_parse(in, false, params);
assert_equals<std::size_t>(variant, 1, m.tool_calls.size());
assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
assert_equals(variant, std::string("{\"city\":\"Tokyo\"}"), m.tool_calls[0].arguments);
@ -292,16 +286,15 @@ static void test_deepseek_v3_1_tool_calls() {
}
// variant: simple + multiple tool calls
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
params.parse_tool_calls = true;
const std::string variant("simple_multiple_tool_calls");
const std::string in = "CONTENT<tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Paris\"}<tool▁call▁end><tool▁call▁begin>get_weather<tool▁sep>{\"city\": \"Paris\"}<tool▁call▁end><tool▁calls▁end>";
auto m = common_chat_parse(in, false, syntax);
auto m = common_chat_parse(in, false, params);
assert_equals<std::size_t>(variant, 2, m.tool_calls.size());
assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
assert_equals(variant, std::string("{\"city\":\"Paris\"}"), m.tool_calls[0].arguments);
@ -314,16 +307,15 @@ static void test_deepseek_v3_1_tool_calls() {
// variant: thinking forced open + tool call in reasoning content
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("thinking_forced_open_tool_call_in_reasoning");
const std::string in = "REASONING<tool▁calls▁begin><tool▁call▁begin>get_time2<tool▁sep>{\"city\": \"Tokyo2\"}<tool▁call▁end><tool▁calls▁end>REASONING</think><tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Tokyo\"}<tool▁call▁end><tool▁calls▁end>";
auto m = common_chat_parse(in, false, syntax);
auto m = common_chat_parse(in, false, params);
assert_equals<std::size_t>(variant, 1, m.tool_calls.size());
assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
assert_equals(variant, std::string("{\"city\":\"Tokyo\"}"), m.tool_calls[0].arguments);
@ -336,16 +328,15 @@ static void test_deepseek_v3_1_tool_calls() {
// to make tool calls in reasoning content according to the model card, but it does sometimes, so
// add the reasoning content as regular content and parse the tool calls.
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("thinking_forced_open_tool_call_in_reasoning_no_closing_think_not_partial");
const std::string in = "REASONING<tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Tokyo\"}<tool▁call▁end><tool▁calls▁end>";
auto m = common_chat_parse(in, false, syntax);
auto m = common_chat_parse(in, false, params);
assert_equals(variant, std::string("REASONING"), m.content);
assert_equals(variant, std::string(""), m.reasoning_content);
assert_equals<std::size_t>(variant, 1, m.tool_calls.size());
@ -355,16 +346,15 @@ static void test_deepseek_v3_1_tool_calls() {
// variant: thinking forced open + tool call in reasoning content + no closing think + partial
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("thinking_forced_open_tool_call_in_reasoning_no_closing_think_partial");
const std::string in = "REASONING<tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Tokyo\"}<tool▁call▁end><tool▁calls▁end>";
auto m = common_chat_parse(in, /* is_partial= */ true, syntax);
auto m = common_chat_parse(in, /* is_partial= */ true, params);
assert_equals(variant, std::string("REASONING<tool▁calls▁begin><tool▁call▁begin>get_time<tool▁sep>{\"city\": \"Tokyo\"}<tool▁call▁end><tool▁calls▁end>"), m.reasoning_content);
assert_equals(variant, std::string(""), m.content);
assert_equals<std::size_t>(variant, 0, m.tool_calls.size());
@ -372,32 +362,30 @@ static void test_deepseek_v3_1_tool_calls() {
// variant: thinking not forced open + reasoning + regular content + no tool calls
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ true,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = true;
params.parse_tool_calls = true;
const std::string variant("thinking_forced_open_reasoning_regular_content_no_tool_calls");
const std::string in = "REASONING</think>CONTENT";
auto m = common_chat_parse(in, false, syntax);
auto m = common_chat_parse(in, false, params);
assert_equals<std::size_t>(variant, 0, m.tool_calls.size());
assert_equals(variant, std::string("CONTENT"), m.content);
assert_equals(variant, std::string("REASONING"), m.reasoning_content);
}
// variant: thinking not forced open + missing reasoning + no tool calls
{
common_chat_syntax syntax = {
/* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
/* .parse_tool_calls = */ true,
};
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_DEEPSEEK_V3_1;
params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
params.parse_tool_calls = true;
const std::string variant("thinking_not_forced_open_missing_reasoning_no_tool_calls");
const std::string in = "CONTENT";
auto m = common_chat_parse(in, false, syntax);
auto m = common_chat_parse(in, false, params);
assert_equals<std::size_t>(variant, 0, m.tool_calls.size());
assert_equals(variant, std::string("CONTENT"), m.content);
assert_equals(variant, std::string(""), m.reasoning_content);

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@ -616,15 +616,15 @@ void test_command7_parser_compare(testing & t) {
auto test_legacy = [&](const std::string & input, bool need_more_input, bool print_results) {
// Original common_chat_combinator_parser taken from chat.cpp
common_chat_parser_params params;
params.format = COMMON_CHAT_FORMAT_GENERIC;
params.reasoning_format = COMMON_REASONING_FORMAT_AUTO;
params.reasoning_in_content = false;
params.thinking_forced_open = false;
common_chat_msg_parser builder(
input,
/* .is_partial = */ need_more_input,
{
/* .format = */ COMMON_CHAT_FORMAT_GENERIC,
/* .reasoning_format = */ COMMON_REASONING_FORMAT_AUTO,
/* .reasoning_in_content = */ false,
/* .thinking_forced_open = */ false,
}
params
);
builder.try_parse_reasoning("<|START_THINKING|>", "<|END_THINKING|>");

File diff suppressed because it is too large Load Diff

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@ -66,21 +66,25 @@ struct cli_context {
defaults.stream = true; // make sure we always use streaming mode
defaults.timings_per_token = true; // in order to get timings even when we cancel mid-way
// defaults.return_progress = true; // TODO: show progress
defaults.oaicompat_chat_syntax.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
}
std::string generate_completion(result_timings & out_timings) {
server_response_reader rd = ctx_server.get_response_reader();
auto formatted = format_chat();
auto chat_params = format_chat();
{
// TODO: reduce some copies here in the future
server_task task = server_task(SERVER_TASK_TYPE_COMPLETION);
task.id = rd.get_new_id();
task.index = 0;
task.params = defaults; // copy
task.cli_prompt = formatted.prompt; // copy
task.cli_files = input_files; // copy
task.params = defaults; // copy
task.cli_prompt = chat_params.prompt; // copy
task.cli_files = input_files; // copy
task.cli = true;
// chat template settings
task.params.chat_parser_params = common_chat_parser_params(chat_params);
task.params.chat_parser_params.reasoning_format = COMMON_REASONING_FORMAT_DEEPSEEK;
rd.post_task({std::move(task)});
}
@ -172,7 +176,6 @@ struct cli_context {
inputs.use_jinja = chat_params.use_jinja;
inputs.parallel_tool_calls = false;
inputs.add_generation_prompt = true;
inputs.reasoning_format = chat_params.reasoning_format;
inputs.enable_thinking = chat_params.enable_thinking;
// Apply chat template to the list of messages

View File

@ -274,6 +274,7 @@ std::vector<server_tokens> tokenize_input_prompts(
// OAI utils
//
// global server parameters for chat formatting / parsing
struct server_chat_params {
bool use_jinja;
bool prefill_assistant;

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@ -68,10 +68,10 @@ json task_params::to_json(bool only_metrics) const {
{"stream", stream},
{"n_probs", sampling.n_probs},
{"min_keep", sampling.min_keep},
{"chat_format", common_chat_format_name(oaicompat_chat_syntax.format)},
{"reasoning_format", common_reasoning_format_name(oaicompat_chat_syntax.reasoning_format)},
{"reasoning_in_content", oaicompat_chat_syntax.reasoning_in_content},
{"thinking_forced_open", oaicompat_chat_syntax.thinking_forced_open},
{"chat_format", common_chat_format_name(chat_parser_params.format)},
{"reasoning_format", common_reasoning_format_name(chat_parser_params.reasoning_format)},
{"reasoning_in_content", chat_parser_params.reasoning_in_content},
{"thinking_forced_open", chat_parser_params.thinking_forced_open},
{"samplers", samplers},
{"speculative.n_max", speculative.n_max},
{"speculative.n_min", speculative.n_min},
@ -127,10 +127,10 @@ json task_params::to_json(bool only_metrics) const {
{"grammar_lazy", sampling.grammar_lazy},
{"grammar_triggers", grammar_triggers},
{"preserved_tokens", sampling.preserved_tokens},
{"chat_format", common_chat_format_name(oaicompat_chat_syntax.format)},
{"reasoning_format", common_reasoning_format_name(oaicompat_chat_syntax.reasoning_format)},
{"reasoning_in_content", oaicompat_chat_syntax.reasoning_in_content},
{"thinking_forced_open", oaicompat_chat_syntax.thinking_forced_open},
{"chat_format", common_chat_format_name(chat_parser_params.format)},
{"reasoning_format", common_reasoning_format_name(chat_parser_params.reasoning_format)},
{"reasoning_in_content", chat_parser_params.reasoning_in_content},
{"thinking_forced_open", chat_parser_params.thinking_forced_open},
{"samplers", samplers},
{"speculative.n_max", speculative.n_max},
{"speculative.n_min", speculative.n_min},
@ -291,21 +291,21 @@ task_params server_task::params_from_json_cmpl(
{
auto it = data.find("chat_format");
if (it != data.end()) {
params.oaicompat_chat_syntax.format = static_cast<common_chat_format>(it->get<int>());
SRV_INF("Chat format: %s\n", common_chat_format_name(params.oaicompat_chat_syntax.format));
params.chat_parser_params.format = static_cast<common_chat_format>(it->get<int>());
SRV_INF("Chat format: %s\n", common_chat_format_name(params.chat_parser_params.format));
} else {
params.oaicompat_chat_syntax.format = defaults.oaicompat_chat_syntax.format;
params.chat_parser_params.format = defaults.chat_parser_params.format;
}
common_reasoning_format reasoning_format = params_base.reasoning_format;
if (data.contains("reasoning_format")) {
reasoning_format = common_reasoning_format_from_name(data.at("reasoning_format").get<std::string>());
}
params.oaicompat_chat_syntax.reasoning_format = reasoning_format;
params.oaicompat_chat_syntax.reasoning_in_content = params.stream && (reasoning_format == COMMON_REASONING_FORMAT_DEEPSEEK_LEGACY);
params.oaicompat_chat_syntax.thinking_forced_open = json_value(data, "thinking_forced_open", false);
params.oaicompat_chat_syntax.parse_tool_calls = json_value(data, "parse_tool_calls", false);
params.chat_parser_params.reasoning_format = reasoning_format;
params.chat_parser_params.reasoning_in_content = params.stream && (reasoning_format == COMMON_REASONING_FORMAT_DEEPSEEK_LEGACY);
params.chat_parser_params.thinking_forced_open = json_value(data, "thinking_forced_open", false);
params.chat_parser_params.parse_tool_calls = json_value(data, "parse_tool_calls", false);
if (data.contains("chat_parser")) {
params.oaicompat_chat_syntax.parser.load(data.at("chat_parser").get<std::string>());
params.chat_parser_params.parser.load(data.at("chat_parser").get<std::string>());
}
}
@ -722,7 +722,7 @@ common_chat_msg task_result_state::update_chat_msg(
auto new_msg = common_chat_parse(
generated_text,
is_partial,
oaicompat_chat_syntax);
chat_parser_params);
if (!new_msg.empty()) {
new_msg.set_tool_call_ids(generated_tool_call_ids, gen_tool_call_id);
chat_msg = new_msg;

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@ -78,7 +78,9 @@ struct task_params {
task_response_type res_type = TASK_RESPONSE_TYPE_NONE;
std::string oaicompat_model;
std::string oaicompat_cmpl_id;
common_chat_syntax oaicompat_chat_syntax;
// per-request parameters for chat parsing
common_chat_parser_params chat_parser_params;
// Embeddings
int32_t embd_normalize = 2; // (-1=none, 0=max absolute int16, 1=taxicab, 2=Euclidean/L2, >2=p-norm)
@ -91,7 +93,7 @@ struct task_params {
struct task_result_state {
// tracking diffs for partial tool calls
std::vector<common_chat_msg_diff> diffs;
common_chat_syntax oaicompat_chat_syntax;
common_chat_parser_params chat_parser_params;
common_chat_msg chat_msg;
std::string generated_text; // append new chunks of generated text here
std::vector<std::string> generated_tool_call_ids;
@ -100,8 +102,8 @@ struct task_result_state {
bool anthropic_thinking_block_started = false;
bool anthropic_text_block_started = false;
task_result_state(const common_chat_syntax & oaicompat_chat_syntax)
: oaicompat_chat_syntax(oaicompat_chat_syntax) {}
task_result_state(const common_chat_parser_params & chat_parser_params)
: chat_parser_params(chat_parser_params) {}
// parse partial tool calls and update the internal state
common_chat_msg update_chat_msg(
@ -230,7 +232,7 @@ struct server_task {
// the task will be moved into queue, then onto slots
// however, the state must be kept by caller (e.g., HTTP thread)
task_result_state create_state() const {
return task_result_state(params.oaicompat_chat_syntax);
return task_result_state(params.chat_parser_params);
}
bool is_parent() const {