316 lines
8.8 KiB
Lua
316 lines
8.8 KiB
Lua
---@class ExecuteResult
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---@field stdout string
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---@field stderr string
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---@field code integer
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---@field time_ms number
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---@field timed_out boolean
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local M = {}
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local logger = require('cp.log')
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local constants = require('cp.constants')
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local filetype_to_language = constants.filetype_to_language
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---@param source_file string
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---@param contest_config table
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---@return string
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local function get_language_from_file(source_file, contest_config)
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vim.validate({
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source_file = { source_file, 'string' },
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contest_config = { contest_config, 'table' },
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})
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local extension = vim.fn.fnamemodify(source_file, ':e')
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local language = filetype_to_language[extension]
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or contest_config.default_language
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logger.log(
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('detected language: %s (extension: %s)'):format(language, extension)
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)
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return language
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end
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---@param cmd_template string[]
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---@param substitutions table<string, string>
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---@return string[]
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local function substitute_template(cmd_template, substitutions)
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vim.validate({
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cmd_template = { cmd_template, 'table' },
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substitutions = { substitutions, 'table' },
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})
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local result = {}
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for _, arg in ipairs(cmd_template) do
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local substituted = arg
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for key, value in pairs(substitutions) do
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substituted = substituted:gsub('{' .. key .. '}', value)
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end
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table.insert(result, substituted)
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end
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return result
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end
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---@param cmd_template string[]
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---@param executable? string
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---@param substitutions table<string, string>
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---@return string[]
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local function build_command(cmd_template, executable, substitutions)
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vim.validate({
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cmd_template = { cmd_template, 'table' },
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executable = { executable, { 'string', 'nil' }, true },
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substitutions = { substitutions, 'table' },
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})
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local cmd = substitute_template(cmd_template, substitutions)
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if executable then
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table.insert(cmd, 1, executable)
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end
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return cmd
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end
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local signal_codes = {
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[128] = 'SIGILL',
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[130] = 'SIGINT',
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[131] = 'SIGQUIT',
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[132] = 'SIGILL',
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[133] = 'SIGTRAP',
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[134] = 'SIGABRT',
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[135] = 'SIGBUS',
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[136] = 'SIGFPE',
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[137] = 'SIGKILL',
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[138] = 'SIGUSR1',
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[139] = 'SIGSEGV',
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[140] = 'SIGUSR2',
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[141] = 'SIGPIPE',
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[142] = 'SIGALRM',
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[143] = 'SIGTERM',
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}
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local function ensure_directories()
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vim.system({ 'mkdir', '-p', 'build', 'io' }):wait()
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end
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---@param language_config table
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---@param substitutions table<string, string>
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---@return {code: integer, stderr: string}
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local function compile_generic(language_config, substitutions)
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vim.validate({
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language_config = { language_config, 'table' },
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substitutions = { substitutions, 'table' },
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})
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if not language_config.compile then
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logger.log('no compilation step required')
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return { code = 0, stderr = '' }
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end
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local compile_cmd =
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substitute_template(language_config.compile, substitutions)
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logger.log(('compiling: %s'):format(table.concat(compile_cmd, ' ')))
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local start_time = vim.uv.hrtime()
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local result = vim.system(compile_cmd, { text = true }):wait()
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local compile_time = (vim.uv.hrtime() - start_time) / 1000000
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if result.code == 0 then
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logger.log(('compilation successful (%.1fms)'):format(compile_time))
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else
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logger.log(
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('compilation failed (%.1fms): %s'):format(
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compile_time,
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result.stderr
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),
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vim.log.levels.WARN
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)
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end
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return result
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end
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---@param cmd string[]
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---@param input_data string
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---@param timeout_ms integer
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---@return ExecuteResult
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local function execute_command(cmd, input_data, timeout_ms)
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vim.validate({
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cmd = { cmd, 'table' },
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input_data = { input_data, 'string' },
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timeout_ms = { timeout_ms, 'number' },
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})
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logger.log(('executing: %s'):format(table.concat(cmd, ' ')))
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local start_time = vim.uv.hrtime()
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local result = vim.system(cmd, {
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stdin = input_data,
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timeout = timeout_ms,
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text = true,
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}):wait()
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local end_time = vim.uv.hrtime()
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local execution_time = (end_time - start_time) / 1000000
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local actual_code = result.code or 0
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if result.code == 124 then
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logger.log(
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('execution timed out after %.1fms'):format(execution_time),
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vim.log.levels.WARN
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)
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elseif actual_code ~= 0 then
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logger.log(
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('execution failed (exit code %d, %.1fms)'):format(
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actual_code,
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execution_time
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),
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vim.log.levels.WARN
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)
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else
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logger.log(('execution successful (%.1fms)'):format(execution_time))
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end
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return {
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stdout = result.stdout or '',
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stderr = result.stderr or '',
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code = actual_code,
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time_ms = execution_time,
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timed_out = result.code == 124,
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}
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end
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---@param exec_result ExecuteResult
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---@param expected_file string
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---@param is_debug boolean
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---@return string
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local function format_output(exec_result, expected_file, is_debug)
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vim.validate({
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exec_result = { exec_result, 'table' },
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expected_file = { expected_file, 'string' },
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is_debug = { is_debug, 'boolean' },
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})
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local output_lines = { exec_result.stdout }
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local metadata_lines = {}
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if exec_result.timed_out then
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table.insert(metadata_lines, '[code]: 124 (TIMEOUT)')
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elseif exec_result.code >= 128 then
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local signal_name = signal_codes[exec_result.code] or 'SIGNAL'
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table.insert(
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metadata_lines,
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('[code]: %d (%s)'):format(exec_result.code, signal_name)
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)
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else
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table.insert(metadata_lines, ('[code]: %d'):format(exec_result.code))
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end
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table.insert(
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metadata_lines,
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('[time]: %.2f ms'):format(exec_result.time_ms)
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)
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table.insert(
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metadata_lines,
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('[debug]: %s'):format(is_debug and 'true' or 'false')
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)
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if vim.fn.filereadable(expected_file) == 1 and exec_result.code == 0 then
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local expected_content = vim.fn.readfile(expected_file)
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local actual_lines = vim.split(exec_result.stdout, '\n')
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while #actual_lines > 0 and actual_lines[#actual_lines] == '' do
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table.remove(actual_lines)
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end
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local matches = #actual_lines == #expected_content
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if matches then
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for i, line in ipairs(actual_lines) do
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if line ~= expected_content[i] then
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matches = false
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break
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end
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end
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end
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table.insert(
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metadata_lines,
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('[matches]: %s'):format(matches and 'true' or 'false')
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)
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end
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return table.concat(output_lines, '')
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.. '\n'
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.. table.concat(metadata_lines, '\n')
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end
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---@param ctx ProblemContext
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---@param contest_config table
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---@param is_debug boolean
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function M.run_problem(ctx, contest_config, is_debug)
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vim.validate({
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ctx = { ctx, 'table' },
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contest_config = { contest_config, 'table' },
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is_debug = { is_debug, 'boolean' },
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})
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ensure_directories()
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local language = get_language_from_file(ctx.source_file, contest_config)
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local language_config = contest_config[language]
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if not language_config then
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vim.fn.writefile(
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{ 'Error: No configuration for language: ' .. language },
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ctx.output_file
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)
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return
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end
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local substitutions = {
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source = ctx.source_file,
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binary = ctx.binary_file,
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version = tostring(language_config.version),
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}
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local compile_cmd = is_debug and language_config.debug
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or language_config.compile
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if compile_cmd then
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local compile_result = compile_generic(language_config, substitutions)
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if compile_result.code ~= 0 then
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vim.fn.writefile({ compile_result.stderr }, ctx.output_file)
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return
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end
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end
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local input_data = ''
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if vim.fn.filereadable(ctx.input_file) == 1 then
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input_data = table.concat(vim.fn.readfile(ctx.input_file), '\n') .. '\n'
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end
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local run_cmd = build_command(
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language_config.run,
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language_config.executable,
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substitutions
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)
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local exec_result =
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execute_command(run_cmd, input_data, contest_config.timeout_ms)
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local formatted_output =
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format_output(exec_result, ctx.expected_file, is_debug)
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local output_buf = vim.fn.bufnr(ctx.output_file)
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if output_buf ~= -1 then
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vim.api.nvim_buf_set_lines(
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output_buf,
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0,
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-1,
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false,
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vim.split(formatted_output, '\n')
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)
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vim.api.nvim_buf_call(output_buf, function()
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vim.cmd.write()
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end)
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else
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vim.fn.writefile(vim.split(formatted_output, '\n'), ctx.output_file)
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end
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end
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return M
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