llama.cpp/tests/test-chat-jinja.cpp

56 lines
2.1 KiB
C++

#include <string>
#include <vector>
#include <sstream>
#include <regex>
#include <iostream>
#undef NDEBUG
#include <cassert>
#include "peg-parser.h"
#include "json-schema-to-grammar.h"
#include "jinja/jinja-compiler.h"
#include "jinja/jinja-lexer.h"
int main(void) {
std::string contents = "{% if messages[0]['role'] == 'system' %}{{ raise_exception('System role not supported') }}{% endif %}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if (message['role'] == 'assistant') %}{% set role = 'model' %}{% else %}{% set role = message['role'] %}{% endif %}{{ '<start_of_turn>' + role + '\\n' + message['content'] | trim + '<end_of_turn>\\n' }}{% endfor %}{% if add_generation_prompt %}{{'<start_of_turn>model\\n'}}{% endif %}";
std::cout << "=== INPUT ===\n" << contents << "\n\n";
jinja::lexer lexer;
jinja::preprocess_options options;
options.trim_blocks = true;
options.lstrip_blocks = false;
auto tokens = lexer.tokenize(contents, options);
for (const auto & tok : tokens) {
std::cout << "token: type=" << static_cast<int>(tok.t) << " text='" << tok.value << "'\n";
}
// jinja::compiler compiler;
// compiler.builder.set_root(compiler.root);
// auto parser = compiler.builder.build();
// auto grammar = build_grammar([&](const common_grammar_builder & builder0) {
// parser.build_grammar(builder0);
// });
// printf("== GRAMMAR ==\n");
// printf("%s\n", grammar.c_str());
// // printf("== DUMP ==\n");
// // printf("%s\n", parser.dump(compiler.root.id()).c_str());
// printf("== PARSE ==\n");
// common_peg_parse_context ctx(contents);
// const auto result = parser.parse(ctx);
// if (!result.success()) {
// throw std::runtime_error("failed to parse, type = " + std::to_string(result.type));
// }
// ctx.ast.visit(result, [&](const common_peg_ast_node & node) {
// printf("node: rule='%s' text='%s'\n", node.rule.c_str(), std::string(node.text).c_str());
// });
return 0;
}