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nickclark2016nickclark2016
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Groundwork for Ninja exporter
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9 files changed

+607
-9
lines changed

9 files changed

+607
-9
lines changed

‎modules/ninja/_manifest.lua‎

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return {
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"_preload.lua",
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"ninja.lua",
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'ninja_cpp.lua',
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'ninja_workspace.lua',
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}

‎modules/ninja/_preload.lua‎

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--
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-- _preload.lua
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-- Define the ninja actions
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-- Author: Nick Clark
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-- Copyright (c) Jess Perkins and the Premake project
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--
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local p = premake
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local project = p.project
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newaction {
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trigger = "ninja",
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shortname = "Ninja",
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description = "Generate Ninja build files",
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-- Action Capabilities
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valid_kinds = { "ConsoleApp", "WindowedApp", "StaticLib", "SharedLib", "None" },
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valid_languages = { "C", "C++" },
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valid_tools = {
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cc = {
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"gcc",
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"clang",
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"msc",
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"emcc",
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"cosmocc",
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}
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},
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toolset = (function()
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local target = os.target()
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if target == p.MACOSX then
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return "clang"
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elseif target == p.EMSCRIPTEN then
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return "emcc"
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elseif target == p.WINDOWS then
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return "v143"
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else
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return "gcc"
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end
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end)(),
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-- Workspace and project generation functions
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onInitialize = function()
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require("ninja")
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end,
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onWorkspace = function(wks)
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p.escaper(p.modules.ninja.esc)
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wks.projects = table.filter(wks.projects, function(prj)
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return p.action.supports(prj.kind) and prj.kind ~= p.NONE
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end)
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p.generate(wks, p.modules.ninja.getninjafilename(wks, false), p.modules.ninja.wks.generate)
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end,
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onProject = function(prj)
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p.escaper(p.modules.ninja.esc)
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if not p.action.supports(prj.kind) or prj.kind == p.NONE then
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return
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end
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if project.isc(prj) or project.iscpp(prj) then
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for cfg in project.eachconfig(prj) do
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local filename = p.modules.ninja.getprjconfigfilename(cfg)
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p.generate(prj, filename, p.modules.ninja.cpp.generate)
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end
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else
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p.warn("Ninja does not support the '%s' language. No build file generated for project '%s'.", prj.language, prj.name)
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end
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end,
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}
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return function(cfg)
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return (_ACTION == "ninja")
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end

‎modules/ninja/ninja.lua‎

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--
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-- ninja.lua
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-- Utilities for generating Ninja build files
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-- Author: Nick Clark
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-- Copyright (c) Jess Perkins and the Premake project
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--
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local p = premake
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p.modules.ninja = {}
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p.modules.ninja._VERSION = p._VERSION
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local ninja = p.modules.ninja
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--
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-- Escape a string so it can be written to a Ninja build file.
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--
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function ninja.esc(value)
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value = value:gsub("%$", "$$")
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value = value:gsub(":", "$:")
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value = value:gsub("\n", "$\n")
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value = value:gsub(" ", "$ ")
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return value
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end
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function ninja.header(target)
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local kind = iif(target.project, "project", "workspace")
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_p("# %s %s Ninja build file generated by Premake", target.name, kind)
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_p('ninja_required_version = 1.6')
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_p('')
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end
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function ninja.key(cfg)
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local name = cfg.project.name
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if cfg.platform then
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return name .. "_" .. cfg.buildcfg .. "_" .. cfg.platform
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else
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return name .. "_" .. cfg.buildcfg
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end
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end
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function ninja.getprjconfigfilename(cfg)
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return ninja.key(cfg) .. ".ninja"
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end
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function ninja.getninjafilename(target, searchprjs)
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local count = 0
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for wks in p.global.eachWorkspace() do
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if wks.location == target.location then
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count = count + 1
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end
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if searchprjs then
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for _, prj in ipairs(wks.projects) do
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if prj.location == target.location then
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count = count + 1
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end
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end
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end
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end
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if count == 1 then
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return "build.ninja"
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else
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return ".ninja"
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end
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end
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function ninja.gettoolset(cfg)
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local default = p.action.current().toolset
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local toolset, version = p.tools.canonical(cfg.toolset or default)
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if not toolset then
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error("No toolset found for '" .. tostring(cfg.toolset) .. "'")
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end
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return toolset
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end
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include("ninja_cpp.lua")
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include("ninja_workspace.lua")
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return ninja

‎modules/ninja/ninja_cpp.lua‎

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local p = premake
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local ninja = p.modules.ninja
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local tree = p.tree
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local project = p.project
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p.modules.ninja.cpp = {}
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local m = p.modules.ninja.cpp
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m.elements = function(cfg)
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return {
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ninja.header,
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m.ccrules,
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m.cxxrules,
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m.resourcerules,
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m.linkrules,
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m.pchrules,
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m.copyrules,
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m.prebuildcommandsrule,
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m.prebuildmessagerule,
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m.prelinkcommandsrule,
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m.prelinkmessagerule,
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m.postbuildcommandsrule,
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m.postbuildmessagerule,
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m.customcommand,
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m.buildfiles,
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m.linkfiles,
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m.prebuildcommands,
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m.prebuildmessage,
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m.prelinkcommands,
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m.prelinkmessage,
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m.postbuildcommands,
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m.postbuildmessage,
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m.phonies,
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}
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end
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function m.generate(cfg)
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p.utf8()
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p.callArray(m.elements, cfg)
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end
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function m.ccrules(cfg)
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local toolset = ninja.gettoolset(cfg)
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local ccname = toolset.gettoolname(cfg, "cc")
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_p("rule cc")
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if toolset == p.tools.msc then
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_p(" command = %s $cflags /nologo /showIncludes -c /Tc$in /Fo$out", ccname)
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_p(" deps = msvc")
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else
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_p(" command = %s $cflags -c $in -o $out", ccname)
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_p(" deps = gcc")
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end
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_p(" description = Compiling C source $in")
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_p(" depfile = $out.d")
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_p("")
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end
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function m.cxxrules(cfg)
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local toolset = ninja.gettoolset(cfg)
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local cxxname = toolset.gettoolname(cfg, "cxx")
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_p("rule cxx")
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if toolset == p.tools.msc then
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_p(" command = %s $cxxflags /nologo /showIncludes -c /Tp$in /Fo$out", cxxname)
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_p(" deps = msvc")
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else
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_p(" command = %s $cxxflags -c $in -o $out", cxxname)
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_p(" deps = gcc")
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end
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_p(" description = Compiling C++ source $in")
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_p(" depfile = $out.d")
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_p("")
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end
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function m.resourcerules(cfg)
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local toolset = ninja.gettoolset(cfg)
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local rcname = toolset.gettoolname(cfg, "rc")
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_p("rule rc")
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if toolset == p.tools.msc then
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_p(" command = %s /nologo /fo$out $in $resflags", rcname)
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else
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_p(" command = %s -i $in -o $out $resflags", rcname)
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end
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_p(" description = Compiling resource $in")
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_p("")
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end
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function m.linkrules(cfg)
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local toolset = ninja.gettoolset(cfg)
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if toolset == p.tools.msc then
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if cfg.kind == p.STATICLIB then
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local arname = toolset.gettoolname(cfg, "ar")
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_p("rule ar")
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_p(" command = %s $in /nologo -OUT:$out", arname)
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_p(" description = Archiving static library $out")
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_p("")
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else
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local ldname = toolset.gettoolname(cfg, iif(cfg.language == "C", "cc", "cxx"))
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_p("rule link")
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_p(" command = %s $in $links /link $ldflags /nologo /out:$out", ldname)
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_p(" description = Linking target $out")
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_p("")
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end
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else
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if cfg.kind == p.STATICLIB then
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local arname = toolset.gettoolname(cfg, "ar")
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_p("rule ar")
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_p(" command = %s -rcs $out $in", arname)
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_p(" description = Archiving static library $out")
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_p("")
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else
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local ldname = toolset.gettoolname(cfg, iif(cfg.language == "C", "cc", "cxx"))
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local groups = iif(cfg.linkgroups == p.ON, { "-Wl,--start-group", "-Wl,--end-group" }, {"", ""})
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-- format the link command
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local commands = string.format("command = %s -o $out %s $in $links $ldflags %s", ldname, groups[1], groups[2]);
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-- remove any excess whitespace
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commands = commands:gsub("^%s*(.-)%s*$", "%1")
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commands = commands:gsub("%s+", " ")
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_p("rule link")
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_p(" %s", commands)
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_p(" description = Linking target $out")
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_p("")
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end
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end
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end
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function m.pchrules(cfg)
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end
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function m.copyrules(cfg)
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end
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function m.prebuildcommandsrule(cfg)
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end
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function m.prebuildmessagerule(cfg)
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end
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function m.prelinkcommandsrule(cfg)
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end
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function m.prelinkmessagerule(cfg)
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end
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function m.postbuildcommandsrule(cfg)
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end
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function m.postbuildmessagerule(cfg)
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end
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function m.customcommand(cfg)
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end
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function m.buildfiles(cfg)
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end
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function m.linkfiles(cfg)
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end
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function m.prebuildcommands(cfg)
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end
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function m.prebuildmessage(cfg)
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end
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function m.prelinkcommands(cfg)
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end
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function m.prelinkmessage(cfg)
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end
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function m.postbuildcommands(cfg)
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end
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function m.postbuildmessage(cfg)
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end
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function m.phonies(cfg)
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end

‎modules/ninja/ninja_workspace.lua‎

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local p = premake
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local ninja = p.modules.ninja
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local tree = p.tree
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local project = p.project
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p.modules.ninja.wks = {}
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local m = p.modules.ninja.wks
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m.elements = function(wks)
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return {
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ninja.header,
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}
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end
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function m.generate(wks)
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p.utf8()
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p.callArray(m.elements, wks)
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end

‎modules/ninja/tests/_tests.lua‎

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require("ninja")
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return {
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"test_build_rules.lua"
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}

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