Break _premake_main() out to a call array
This commit is contained in:
Jason Perkins
parent
355b1b850a
commit
6f13f36998
@ -1068,3 +1068,5 @@
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targetprefix ""
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targetextension ".dll"
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implibextension ".dll"
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filter {}
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@ -21,166 +21,50 @@
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local p = premake
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p.main = {}
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local m = p.main
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--
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-- Script-side program entry point.
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--
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p.main.elements = function()
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m.elements = function()
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return {
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p.main.locateUserScript,
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p.main.installModuleLoader,
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m.installModuleLoader,
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m.prepareEnvironment,
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m.runSystemScript,
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m.locateUserScript,
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m.prepareAction,
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m.runUserScript,
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m.checkInteractive,
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m.processCommandLine,
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m.preBake,
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m.bake,
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m.postBake,
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m.validate,
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m.preAction,
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m.callAction,
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m.postAction,
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}
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end
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function _premake_main()
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-- Clear out any configuration scoping left over from initialization
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filter {}
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-- Seed the random number generator so actions don't have to do it themselves
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math.randomseed(os.time())
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-- Set some global to describe the runtime environment, building on
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-- what was already set by the native code host
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_PREMAKE_DIR = path.getdirectory(_PREMAKE_COMMAND)
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premake.path = premake.path .. ";" .. _PREMAKE_DIR
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p.callArray(p.main.elements)
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-- Look for and run the system-wide configuration script; make sure any
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-- configuration scoping gets cleared before continuing
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dofileopt(_OPTIONS["systemscript"] or { "premake5-system.lua", "premake-system.lua" })
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filter {}
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-- The "next-gen" actions have now replaced their deprecated counterparts.
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-- Provide a warning for a little while before I remove them entirely.
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if _ACTION and _ACTION:endswith("ng") then
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premake.warnOnce(_ACTION, "'%s' has been deprecated; use '%s' instead", _ACTION, _ACTION:sub(1, -3))
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end
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-- Set up the environment for the chosen action early, so side-effects
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-- can be picked up by the scripts.
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premake.action.set(_ACTION)
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-- If there is a project script available, run it to get the
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-- project information, available options and actions, etc.
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if os.isfile(_MAIN_SCRIPT) then
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dofile(_MAIN_SCRIPT)
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end
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-- Process special options
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local action = premake.action.current()
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if (_OPTIONS["version"]) then
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printf(versionhelp, _PREMAKE_VERSION)
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return 0
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end
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if (_OPTIONS["help"]) then
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premake.showhelp()
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return 1
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end
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-- Validate the command-line arguments. This has to happen after the
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-- script has run to allow for project-specific options
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ok, err = premake.option.validate(_OPTIONS)
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if not ok then
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print("Error: " .. err)
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return 1
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end
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-- If no further action is possible, show a short help message
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if not _OPTIONS.interactive then
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if not _ACTION then
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print(shorthelp)
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return 1
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end
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if not action then
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print("Error: no such action '" .. _ACTION .. "'")
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return 1
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end
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if not os.isfile(_MAIN_SCRIPT) then
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print(string.format("No Premake script (%s) found!", path.getname(_MAIN_SCRIPT)))
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return 1
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end
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end
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-- "Bake" the project information, preparing it for use by the action
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if action then
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print("Building configurations...")
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premake.oven.bake()
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end
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-- Run the interactive prompt, if requested
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if _OPTIONS.interactive then
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debug.prompt()
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end
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-- Sanity check the current project setup
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p.container.validate(p.api.rootContainer())
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-- Hand over control to the action
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printf("Running action '%s'...", action.trigger)
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premake.action.call(action.trigger)
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print("Done.")
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return 0
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end
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---
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-- Look for a user project script, and set up the related global
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-- variables if I can find one.
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---
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function p.main.locateUserScript()
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local defaults = { "premake5.lua", "premake4.lua" }
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for i = 1, #defaults do
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if os.isfile(defaults[i]) then
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_MAIN_SCRIPT = defaults[i]
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break
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end
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end
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if not _MAIN_SCRIPT then
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_MAIN_SCRIPT = defaults[1]
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end
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if _OPTIONS.file then
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_MAIN_SCRIPT = _OPTIONS.file
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end
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_MAIN_SCRIPT = path.getabsolute(_MAIN_SCRIPT)
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_MAIN_SCRIPT_DIR = path.getdirectory(_MAIN_SCRIPT)
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end
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---
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-- Add a new module loader that knows how to use the Premake paths like
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-- PREMAKE_PATH and the --scripts option, and follows the module/module.lua
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-- naming convention.
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---
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function p.main.moduleLoader(name)
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function m.installModuleLoader()
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table.insert(package.loaders, 2, m.moduleLoader)
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end
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function m.moduleLoader(name)
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local dir = path.getdirectory(name)
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local base = path.getname(name)
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@ -208,6 +92,200 @@
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return chunk
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end
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function p.main.installModuleLoader()
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table.insert(package.loaders, 2, p.main.moduleLoader)
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---
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-- Prepare the script environment; anything that should be done
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-- before the system script gets a chance to run.
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---
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function m.prepareEnvironment()
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math.randomseed(os.time())
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_PREMAKE_DIR = path.getdirectory(_PREMAKE_COMMAND)
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premake.path = premake.path .. ";" .. _PREMAKE_DIR
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end
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---
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-- Look for and run the system-wide configuration script; make sure any
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-- configuration scoping gets cleared before continuing.
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---
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function m.runSystemScript()
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dofileopt(_OPTIONS["systemscript"] or { "premake5-system.lua", "premake-system.lua" })
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filter {}
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end
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---
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-- Look for a user project script, and set up the related global
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-- variables if I can find one.
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---
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function m.locateUserScript()
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local defaults = { "premake5.lua", "premake4.lua" }
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for i = 1, #defaults do
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if os.isfile(defaults[i]) then
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_MAIN_SCRIPT = defaults[i]
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break
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end
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end
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if not _MAIN_SCRIPT then
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_MAIN_SCRIPT = defaults[1]
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end
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if _OPTIONS.file then
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_MAIN_SCRIPT = _OPTIONS.file
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end
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_MAIN_SCRIPT = path.getabsolute(_MAIN_SCRIPT)
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_MAIN_SCRIPT_DIR = path.getdirectory(_MAIN_SCRIPT)
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end
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---
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-- Set the action to be performed from the command line arguments.
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---
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function m.prepareAction()
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-- The "next-gen" actions have now replaced their deprecated counterparts.
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-- Provide a warning for a little while before I remove them entirely.
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if _ACTION and _ACTION:endswith("ng") then
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premake.warnOnce(_ACTION, "'%s' has been deprecated; use '%s' instead", _ACTION, _ACTION:sub(1, -3))
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end
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premake.action.set(_ACTION)
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end
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---
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-- If there is a project script available, run it to get the
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-- project information, available options and actions, etc.
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---
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function m.runUserScript()
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if os.isfile(_MAIN_SCRIPT) then
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dofile(_MAIN_SCRIPT)
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end
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end
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---
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-- Run the interactive prompt, if requested.
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---
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function m.checkInteractive()
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if _OPTIONS.interactive then
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debug.prompt()
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end
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end
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---
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-- Validate and process the command line options and arguments.
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---
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function m.processCommandLine()
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-- Process special options
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if (_OPTIONS["version"]) then
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printf(versionhelp, _PREMAKE_VERSION)
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os.exit(0)
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end
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if (_OPTIONS["help"]) then
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premake.showhelp()
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os.exit(1)
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end
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-- Validate the command-line arguments. This has to happen after the
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-- script has run to allow for project-specific options
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ok, err = premake.option.validate(_OPTIONS)
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if not ok then
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print("Error: " .. err)
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os.exit(1)
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end
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-- If no further action is possible, show a short help message
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if not _OPTIONS.interactive then
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if not _ACTION then
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print(shorthelp)
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os.exit(1)
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end
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local action = premake.action.current()
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if not action then
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print("Error: no such action '" .. _ACTION .. "'")
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os.exit(1)
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end
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if not os.isfile(_MAIN_SCRIPT) then
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print(string.format("No Premake script (%s) found!", path.getname(_MAIN_SCRIPT)))
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os.exit(1)
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end
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end
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end
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---
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-- Override point, for logic that should run before baking.
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---
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function m.preBake()
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print("Building configurations...")
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end
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---
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-- "Bake" the project information, preparing it for use by the action.
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---
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function m.bake()
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premake.oven.bake()
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end
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---
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-- Override point, for logic that should run after baking but before
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-- the configurations are validated.
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---
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function m.postBake()
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end
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---
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-- Sanity check the current project setup.
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---
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function m.validate()
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p.container.validate(p.api.rootContainer())
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end
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---
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-- Override point, for logic that should run after validation and
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-- before the action takes control.
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---
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function m.preAction()
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local action = premake.action.current()
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printf("Running action '%s'...", action.trigger)
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end
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---
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-- Hand over control to the action.
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---
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function m.callAction()
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local action = premake.action.current()
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premake.action.call(action.trigger)
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end
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---
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-- Processing is complete.
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---
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function m.postAction()
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print("Done.")
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end
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Block a user