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#!/usr/bin/env lua
local runner = require("luacov.runner")
local patterns = {}
local configfile
local reporter
local help_message = [[
luacov - coverage analyzer for Lua scripts
Usage:
luacov [options] [pattern...]
Launch your Lua programs with -lluacov to perform accounting.
Launch this script to generate a report from collected stats.
By default it reports on every Lua file encountered running your
script. To filter filenames, pass one or more patterns in the
command line, or use a config.
Options:
-c filename, --config filename
Use a config file, .luacov by default. For details see
luacov.defaults module.
-r name, --reporter name
Use a custom reporter - a module in luacov.reporter.* namespace.
Example:
luacov foo/bar
This will report only on modules in the foo/bar subtree.
]]
local function read_key(i)
if arg[i]:sub(1, 1) ~= "-" or #arg[i] == 1 then
return nil, arg[i], i + 1
end
if arg[i]:sub(2, 2) == "-" then
local key, value = arg[i]:match("^%-%-([^=]+)=(.*)$")
if key then
return key, value, i + 1
else
return arg[i]:sub(3), arg[i + 1], i + 2
end
else
local key = arg[i]:sub(2, 2)
local value = arg[i]:sub(3)
if #value == 0 then
i = i + 1
value = arg[i]
elseif value:sub(1, 1) == "=" then
value = value:sub(2)
end
return key, value, i + 1
end
end
local function norm_pat(p)
return (p:gsub("[/\\]", "."):gsub("%.lua$", ""))
end
local i = 1
while arg[i] do
local key, value
key, value, i = read_key(i)
if key then
if (key == "h") or (key == "help") then
print(help_message)
os.exit(0)
elseif (key == "c") or (key == "config") then
configfile = value
elseif (key == "r") or (key == "reporter") then
reporter = value
end
else
table.insert(patterns, norm_pat(value))
end
end
-- will load configfile specified, or defaults otherwise
local configuration = runner.load_config(configfile)
configuration.include = configuration.include or {}
configuration.exclude = configuration.exclude or {}
-- add elements specified on commandline to config
for _, patt in ipairs(patterns) do
table.insert(configuration.include, patt)
end
configuration.reporter = reporter or configuration.reporter
runner.run_report(configuration)
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