cp.nvim/lua/cp/execute.lua

273 lines
7.6 KiB
Lua

---@class ExecuteResult
---@field stdout string
---@field stderr string
---@field code integer
---@field time_ms number
---@field timed_out boolean
local M = {}
local logger = require("cp.log")
local filetype_to_language = {
cpp = "cpp",
cxx = "cpp",
cc = "cpp",
c = "cpp",
py = "python",
py3 = "python",
}
---@param source_file string
---@param contest_config table
---@return string
local function get_language_from_file(source_file, contest_config)
vim.validate({
source_file = { source_file, "string" },
contest_config = { contest_config, "table" },
})
local extension = vim.fn.fnamemodify(source_file, ":e")
local language = filetype_to_language[extension] or contest_config.default_language
logger.log(("detected language: %s (extension: %s)"):format(language, extension))
return language
end
---@param cmd_template string[]
---@param substitutions table<string, string>
---@return string[]
local function substitute_template(cmd_template, substitutions)
vim.validate({
cmd_template = { cmd_template, "table" },
substitutions = { substitutions, "table" },
})
local result = {}
for _, arg in ipairs(cmd_template) do
local substituted = arg
for key, value in pairs(substitutions) do
substituted = substituted:gsub("{" .. key .. "}", value)
end
table.insert(result, substituted)
end
return result
end
---@param cmd_template string[]
---@param executable? string
---@param substitutions table<string, string>
---@return string[]
local function build_command(cmd_template, executable, substitutions)
vim.validate({
cmd_template = { cmd_template, "table" },
executable = { executable, { "string", "nil" }, true },
substitutions = { substitutions, "table" },
})
local cmd = substitute_template(cmd_template, substitutions)
if executable then
table.insert(cmd, 1, executable)
end
return cmd
end
local signal_codes = {
[128] = "SIGILL",
[130] = "SIGINT",
[131] = "SIGQUIT",
[132] = "SIGILL",
[133] = "SIGTRAP",
[134] = "SIGABRT",
[135] = "SIGBUS",
[136] = "SIGFPE",
[137] = "SIGKILL",
[138] = "SIGUSR1",
[139] = "SIGSEGV",
[140] = "SIGUSR2",
[141] = "SIGPIPE",
[142] = "SIGALRM",
[143] = "SIGTERM",
}
local function ensure_directories()
vim.system({ "mkdir", "-p", "build", "io" }):wait()
end
---@param language_config table
---@param substitutions table<string, string>
---@return {code: integer, stderr: string}
local function compile_generic(language_config, substitutions)
vim.validate({
language_config = { language_config, "table" },
substitutions = { substitutions, "table" },
})
if not language_config.compile then
logger.log("no compilation step required")
return { code = 0, stderr = "" }
end
local compile_cmd = substitute_template(language_config.compile, substitutions)
logger.log(("compiling: %s"):format(table.concat(compile_cmd, " ")))
local start_time = vim.loop.hrtime()
local result = vim.system(compile_cmd, { text = true }):wait()
local compile_time = (vim.loop.hrtime() - start_time) / 1000000
if result.code == 0 then
logger.log(("compilation successful (%.1fms)"):format(compile_time))
else
logger.log(("compilation failed (%.1fms): %s"):format(compile_time, result.stderr), vim.log.levels.WARN)
end
return result
end
---@param cmd string[]
---@param input_data string
---@param timeout_ms integer
---@return ExecuteResult
local function execute_command(cmd, input_data, timeout_ms)
vim.validate({
cmd = { cmd, "table" },
input_data = { input_data, "string" },
timeout_ms = { timeout_ms, "number" },
})
logger.log(("executing: %s"):format(table.concat(cmd, " ")))
local start_time = vim.loop.hrtime()
local result = vim.system(cmd, {
stdin = input_data,
timeout = timeout_ms,
text = true,
}):wait()
local end_time = vim.loop.hrtime()
local execution_time = (end_time - start_time) / 1000000
local actual_code = result.code or 0
if result.code == 124 then
logger.log(("execution timed out after %.1fms"):format(execution_time), vim.log.levels.WARN)
elseif actual_code ~= 0 then
logger.log(("execution failed (exit code %d, %.1fms)"):format(actual_code, execution_time), vim.log.levels.WARN)
else
logger.log(("execution successful (%.1fms)"):format(execution_time))
end
return {
stdout = result.stdout or "",
stderr = result.stderr or "",
code = actual_code,
time_ms = execution_time,
timed_out = result.code == 124,
}
end
---@param exec_result ExecuteResult
---@param expected_file string
---@param is_debug boolean
---@return string
local function format_output(exec_result, expected_file, is_debug)
vim.validate({
exec_result = { exec_result, "table" },
expected_file = { expected_file, "string" },
is_debug = { is_debug, "boolean" },
})
local output_lines = { exec_result.stdout }
local metadata_lines = {}
if exec_result.timed_out then
table.insert(metadata_lines, "[code]: 124 (TIMEOUT)")
elseif exec_result.code >= 128 then
local signal_name = signal_codes[exec_result.code] or "SIGNAL"
table.insert(metadata_lines, ("[code]: %d (%s)"):format(exec_result.code, signal_name))
else
table.insert(metadata_lines, ("[code]: %d"):format(exec_result.code))
end
table.insert(metadata_lines, ("[time]: %.2f ms"):format(exec_result.time_ms))
table.insert(metadata_lines, ("[debug]: %s"):format(is_debug and "true" or "false"))
if vim.fn.filereadable(expected_file) == 1 and exec_result.code == 0 then
local expected_content = vim.fn.readfile(expected_file)
local actual_lines = vim.split(exec_result.stdout, "\n")
while #actual_lines > 0 and actual_lines[#actual_lines] == "" do
table.remove(actual_lines)
end
local matches = #actual_lines == #expected_content
if matches then
for i, line in ipairs(actual_lines) do
if line ~= expected_content[i] then
matches = false
break
end
end
end
table.insert(metadata_lines, ("[matches]: %s"):format(matches and "true" or "false"))
end
return table.concat(output_lines, "") .. "\n" .. table.concat(metadata_lines, "\n")
end
---@param ctx ProblemContext
---@param contest_config table
---@param is_debug boolean
function M.run_problem(ctx, contest_config, is_debug)
vim.validate({
ctx = { ctx, "table" },
contest_config = { contest_config, "table" },
is_debug = { is_debug, "boolean" },
})
ensure_directories()
local language = get_language_from_file(ctx.source_file, contest_config)
local language_config = contest_config[language]
if not language_config then
vim.fn.writefile({ "Error: No configuration for language: " .. language }, ctx.output_file)
return
end
local substitutions = {
source = ctx.source_file,
binary = ctx.binary_file,
version = tostring(language_config.version),
}
local compile_cmd = is_debug and language_config.debug or language_config.compile
if compile_cmd then
local compile_result = compile_generic(language_config, substitutions)
if compile_result.code ~= 0 then
vim.fn.writefile({ compile_result.stderr }, ctx.output_file)
return
end
end
local input_data = ""
if vim.fn.filereadable(ctx.input_file) == 1 then
input_data = table.concat(vim.fn.readfile(ctx.input_file), "\n") .. "\n"
end
local run_cmd = build_command(language_config.run, language_config.executable, substitutions)
local exec_result = execute_command(run_cmd, input_data, contest_config.timeout_ms)
local formatted_output = format_output(exec_result, ctx.expected_file, is_debug)
local output_buf = vim.fn.bufnr(ctx.output_file)
if output_buf ~= -1 then
vim.api.nvim_buf_set_lines(output_buf, 0, -1, false, vim.split(formatted_output, "\n"))
vim.api.nvim_buf_call(output_buf, function()
vim.cmd.write()
end)
else
vim.fn.writefile(vim.split(formatted_output, "\n"), ctx.output_file)
end
end
return M