69 lines
1.6 KiB
Lua
69 lines
1.6 KiB
Lua
--
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-- help.lua
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-- User help, displayed on /help option.
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-- Copyright (c) 2002-2013 Jason Perkins and the Premake project
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--
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function premake.showhelp()
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-- display the basic usage
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printf("Premake %s, a build script generator", _PREMAKE_VERSION)
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printf(_PREMAKE_COPYRIGHT)
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printf("%s %s", _VERSION, _COPYRIGHT)
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printf("")
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printf("Usage: premake5 [options] action [arguments]")
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printf("")
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-- filter all options by category.
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local categories = {}
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for option in premake.option.each() do
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local cat = "OPTIONS - General"
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if option.category then
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cat = "OPTIONS - " .. option.category;
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end
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if categories[cat] then
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table.insert(categories[cat], option)
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else
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categories[cat] = {option}
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end
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end
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-- display all options
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for k, options in pairs(categories) do
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printf(k)
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printf("")
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for _, option in ipairs(options) do
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local trigger = option.trigger
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local description = option.description
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if (option.value) then trigger = trigger .. "=" .. option.value end
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if (option.allowed) then description = description .. "; one of:" end
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printf(" --%-15s %s", trigger, description)
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if (option.allowed) then
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for _, value in ipairs(option.allowed) do
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printf(" %-14s %s", value[1], value[2])
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end
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end
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printf("")
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end
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printf("")
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end
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-- display all actions
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printf("ACTIONS")
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printf("")
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for action in premake.action.each() do
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printf(" %-17s %s", action.trigger, action.description)
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end
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printf("")
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-- see more
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printf("For additional information, see http://industriousone.com/premake")
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end
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