common : introduce composable PEG parser combinators for chat parsing and new jinja template engine (#1369)

---------

Co-authored-by: Piotr Wilkin <piotr.wilkin@syndatis.com>

common : add nemotron 3 parsing (#18077)

common : add parser for ministral/mistral large 3/devstral 2 (#17713)

common : default content to an empty string (#18485)

chat: make tool description and parameters optional per OpenAI spec (#18478)

Per the OpenAI API specification, both 'description' and 'parameters'
fields in tool function definitions are optional. Previously, the parser
would throw an exception if these fields were missing.

Attempts to fix #17667

common : implement new jinja template engine (#18462)
---------

Co-authored-by: Alde Rojas <hello@alde.dev>
Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>

jinja: correct member access rule (#18905)

jinja : fix lexing of float literals with sign (#18901)

jinja : add missing tojson filter for bool (#18900)

jinja : attribute support for join, map and sort (#18883)

jinja : fix object item order (and properly implement dictsort) (#18904)

tests : add test-jinja -py option for cross-checking (#18906)

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

ci : run test-jinja -py on high perf [no ci] (#18916)

jinja : fix undefined keys and attributes and int/float as bool (#18924)

jinja: support none|string (#18995)

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

jinja : implement mixed type object keys (#18955)

---------

Co-authored-by: Xuan Son Nguyen <son@huggingface.co>

jinja : undefined should be treated as sequence/iterable (return string/array) by filters/tests (#19147)

`tojson` is not a supported `undefined` filter

keep it DRY and fix some types

jinja : do not pass empty tools and add some none filters (#19176)

jinja : add unordered_map include to value.h [no ci] (#19205)

jinja : add missing 'in' test to template engine (#19004) (#19239)

The jinja template parser was missing the 'in' test from
global_builtins(), causing templates using reject("in", ...),
select("in", ...), or 'x is in(y)' to fail with
"selectattr: unknown test 'in'".

This broke tool-calling for Qwen3-Coder and any other model
whose chat template uses the 'in' test.

Added test_is_in supporting array, string, and object containment
checks, mirroring the existing 'in' operator logic in runtime.cpp.

Includes test cases for all three containment types plus
reject/select filter usage.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Sid Mohan <sidmohan0@users.noreply.github.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: Xuan Son Nguyen <son@huggingface.co>

Add Jinja support for "indent" string filter (#19529)

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

add vendor

refactor chat

server : support preserving reasoning_content in assistant message (#18994)

chat : fix translategemma crash on common_chat_format_example (#19019)

chat: fix language input for translategemma (#19052)

Co-authored-by: Aldehir Rojas <hello@alde.dev>

---------

Co-authored-by: Aldehir Rojas <hello@alde.dev>

chat: fix case where template accepts type content only (#19419)

mtmd : chat : Fix extra \n between text and media marker (#19595)

Thanks to @tugot17 for detecting and reporting the issue.

For vision models (e.g. LFM2.5-VL-1.6B and Qwen/Qwen3-VL-4B-Instruct) `llama-mtmd-cli` produces identical output to HF implementation.

However `llama-server` doesn't. I traced it down to extra newline
inserted after `<__media__>`.

This happens in `to_json_oaicompat`, that treats media markers as text
and joins all parts with `\n` separator.

PR introduces new type `media_marker` and uses it for media markers.
Extra logic is added to prevent insertion of newlines before and after
media markers.

With this change number of input tokens is identical to HF
implementation and as a result the output is also identical.

I explored other ways to address the issue
* remove completely `\n` between text parts in `to_json_oaicompat`
* merge text messages in server-common.cpp before sending them to `to_json_oaicompat`

Please propose alternative ways of fixing this issue.

Co-authored-by: Piotr Wilkin (ilintar) <piotr.wilkin@syndatis.com>

---------

Co-authored-by: Piotr Wilkin (ilintar) <piotr.wilkin@syndatis.com>

common : merge qwen3-coder and nemotron nano 3 parsers (#19765)

common : fix improper trimming in XML parser on complete message (#19805)

Co-authored-by: Jules LEIDELINGER <11395311+julio75012@users.noreply.github.com>

jinja: correct stats for tojson and string filters (#19785)

jinja : correct default size for string slices (#19913)

common : handle unicode during partial json parsing (#16526)

common : fix json schema with '\' in literals (#17307)

add back qwen_coder_xml and mirothinker

Co-authored-by: Aldehir Rojas <hello@alde.dev>
This commit is contained in:
firecoperana
2026-03-09 05:03:33 -05:00
committed by GitHub
parent 542988773c
commit ab1d74074b
71 changed files with 19098 additions and 4751 deletions

View File

@@ -1,6 +1,8 @@
#include "chat-parser.h"
#include "chat-peg-parser.h"
#include "common.h"
#include "log.h"
#include "peg-parser.h"
#include "regex-partial.h"
#include <algorithm>
@@ -549,7 +551,7 @@ std::optional<common_chat_msg_parser::consume_json_result> common_chat_msg_parse
if (is_arguments_path({})) {
// Entire JSON is the arguments and was parsed fully.
return consume_json_result {
partial->json.dump(),
partial->json.dump(/* indent */ -1, /* indent_char */ ' ', /* ensure_ascii */ true),
/* .is_partial = */ false,
};
}
@@ -561,7 +563,7 @@ std::optional<common_chat_msg_parser::consume_json_result> common_chat_msg_parse
std::vector<std::string> path;
std::function<json(const json &)> remove_unsupported_healings_and_dump_args = [&](const json & j) -> json {
if (is_arguments_path(path)) {
auto arguments = j.dump();
auto arguments = j.dump(/* indent */ -1, /* indent_char */ ' ', /* ensure_ascii */ true);
if (is_partial() && !partial->healing_marker.marker.empty()) {
auto idx = arguments.find(partial->healing_marker.json_dump_marker);
if (idx != std::string::npos) {
@@ -896,19 +898,19 @@ static void common_chat_parse_minimax_m2(common_chat_msg_parser & builder) {
static void common_chat_parse_qwen3_coder_xml(common_chat_msg_parser & builder) {
static const xml_tool_call_format form = ([]() {
xml_tool_call_format form {};
xml_tool_call_format form{};
form.scope_start = "<tool_call>";
form.tool_start = "<function=";
form.tool_sep = ">";
form.key_start = "<parameter=";
form.tool_start = "<function=";
form.tool_sep = ">";
form.key_start = "<parameter=";
form.key_val_sep = ">";
form.val_end = "</parameter>";
form.tool_end = "</function>";
form.scope_end = "</tool_call>";
form.val_end = "</parameter>";
form.tool_end = "</function>";
form.scope_end = "</tool_call>";
form.trim_raw_argval = true;
return form;
})();
builder.consume_reasoning_with_xml_tool_calls(form);
})();
builder.consume_reasoning_with_xml_tool_calls(form);
}
static void common_chat_parse_kimi_k2(common_chat_msg_parser & builder) {
@@ -1508,6 +1510,11 @@ static void common_chat_parse(common_chat_msg_parser & builder) {
}
common_chat_msg common_chat_parse(const std::string & input, bool is_partial, const common_chat_syntax & syntax) {
if (syntax.format == COMMON_CHAT_FORMAT_PEG_SIMPLE ||
syntax.format == COMMON_CHAT_FORMAT_PEG_NATIVE ||
syntax.format == COMMON_CHAT_FORMAT_PEG_CONSTRUCTED) {
return common_chat_peg_parse(syntax.parser, input, is_partial, syntax);
}
common_chat_msg_parser builder(input, is_partial, syntax);
try {
common_chat_parse(builder);
@@ -1521,7 +1528,40 @@ common_chat_msg common_chat_parse(const std::string & input, bool is_partial, co
}
auto msg = builder.result();
if (!is_partial) {
LOG_DBG("Parsed message: %s\n", common_chat_msgs_to_json_oaicompat<json>({msg}).at(0).dump().c_str());
LOG_DBG("Parsed message: %s\n", common_chat_msgs_to_json_oaicompat({msg}).at(0).dump().c_str());
}
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) {
if (parser.empty()) {
throw std::runtime_error("Failed to parse due to missing parser definition.");
}
LOG_DBG("Parsing input with format %s: %s\n", common_chat_format_name(syntax.format), input.c_str());
common_peg_parse_context ctx(input, is_partial);
auto result = parser.parse(ctx);
if (result.fail()) {
throw std::runtime_error(std::string("Failed to parse input at pos ") + std::to_string(result.end));
}
common_chat_msg msg;
msg.role = "assistant";
if (syntax.format == COMMON_CHAT_FORMAT_PEG_NATIVE) {
auto mapper = common_chat_peg_native_mapper(msg);
mapper.from_ast(ctx.ast, result);
} else if (syntax.format == COMMON_CHAT_FORMAT_PEG_CONSTRUCTED) {
auto mapper = common_chat_peg_constructed_mapper(msg);
mapper.from_ast(ctx.ast, result);
} else {
// Generic mapper
auto mapper = common_chat_peg_mapper(msg);
mapper.from_ast(ctx.ast, result);
}
if (!is_partial) {
LOG_DBG("Parsed message: %s\n", common_chat_msgs_to_json_oaicompat({msg}).at(0).dump().c_str());
}
return msg;
}