35 lines
1.4 KiB
C++
35 lines
1.4 KiB
C++
#include <string>
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#include <vector>
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#include <sstream>
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#include <regex>
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#include <iostream>
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#undef NDEBUG
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#include <cassert>
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#include "jinja/jinja-parser.h"
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#include "jinja/jinja-lexer.h"
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int main(void) {
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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 %}";
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std::cout << "=== INPUT ===\n" << contents << "\n\n";
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jinja::lexer lexer;
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jinja::preprocess_options options;
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options.trim_blocks = true;
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options.lstrip_blocks = false;
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auto tokens = lexer.tokenize(contents, options);
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for (const auto & tok : tokens) {
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std::cout << "token: type=" << static_cast<int>(tok.t) << " text='" << tok.value << "'\n";
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}
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jinja::program ast = jinja::parse_from_tokens(tokens);
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std::cout << "\n=== AST ===\n";
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for (const auto & stmt : ast.body) {
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std::cout << "stmt type: " << stmt->type() << "\n";
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}
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return 0;
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}
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