Welcome to mirror list, hosted at ThFree Co, Russian Federation.

project.lua « base « src - github.com/windirstat/premake-4.x-stable.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: cf11ee1b5af786d3c76a20f40a55c2266d66c3d1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
--
-- projects.lua
-- Implementations of the solution() and project() functions.
-- Copyright (c) 2002-2008 Jason Perkins and the Premake project
--


	premake.project = { }
	

--
-- Performs a sanity check all all of the solutions and projects 
-- in the session to be sure they meet some minimum requirements.
--

	function premake.project.checkall()
		local action = premake.actions[_ACTION]
		
		for _,sln in ipairs(_SOLUTIONS) do
			-- every solution must have at least one project
			if (#sln.projects == 0) then
				return nil, "solution '" .. sln.name .. "' needs at least one project"
			end
			
			-- every solution must list configurations
			if (not sln.configurations or #sln.configurations == 0) then
				return nil, "solution '" .. sln.name .. "' needs configurations"
			end
			
			for _,prj in ipairs(sln.projects) do
				local cfg = premake.project.getconfig(prj)

				-- every project must have a language
				if (not cfg.language) then
					return nil, "project '" ..prj.name .. "' needs a language"
				end
				
				-- and the action must support it
				if (action.valid_languages) then
					if (not table.contains(action.valid_languages, cfg.language)) then
						return nil, "the " .. action.shortname .. " action does not support " .. cfg.language .. " projects"
					end
				end
								
				for _,cfgname in ipairs(sln.configurations) do
					cfg = premake.project.getconfig(prj, cfgname)
					
					-- every config must have a kind
					if (not cfg.kind) then
						return nil, "project '" ..prj.name .. "' needs a kind in configuration '" .. cfgname .. "'"
					end
				
					-- and the action must support it
					if (action.valid_kinds) then
						if (not table.contains(action.valid_kinds, cfg.kind)) then
							return nil, "the " .. action.shortname .. " action does not support " .. cfg.kind .. " projects"
						end
					end
				end

			end
		end
		
		return true
	end
	
	
	
--
-- Checks an active set of "terms" against a keyword set. Keywords may use 
-- Lua's pattern matching syntax. Comparisions are case-insensitve. Returns 
-- true if every keyword matches at least one term, false otherwise. This 
-- feature is used to filter the list of configuration blocks to a 
-- particular build or platform.
--

	function premake.project.checkterms(terms, keywords)
		local function test(kw)
			for _,term in pairs(terms) do
				if (term:match(kw)) then return true end
			end
		end
		
		for _,kw in ipairs(keywords) do
			-- make keyword pattern case insensitive
			kw = kw:gsub("(%%*)(%a)", 
					function (p,a)
						if (p:len() % 2 == 1) then
							return p..a
						else
							return p.."["..a:upper()..a:lower().."]"
						end
					end)
					
			-- match it to a term
			if (not test(kw)) then
				return false
			end
		end
		
		return true
	end
	
	
	
--
-- Returns an iterator for a project's configurations.
--

	function premake.project.configs(prj)
		local i = 0
		local t = prj.solution.configurations
		return function ()
			i = i + 1
			if (i <= #t) then
				prj.filter.config = t[i]
				return premake.project.getconfig(prj, t[i])
			else
				prj.filter.config = nil
			end
		end
	end
	
	
	
-- 
-- Locate a project by name; case insensitive.
--

	function premake.project.find(name)
		name = name:lower()
		for _, sln in ipairs(_SOLUTIONS) do
			for _, prj in ipairs(sln.projects) do
				if (prj.name:lower() == name) then
					return prj
				end
			end
		end
	end
	
	
	
--
-- Build a configuration object holding all of the settings that 
-- match the specified filters.
--
	
	function premake.project.getconfig(prj, cfgname)
		-- see if this configuration has already been built and cached
		local cachekey = cfgname or ""
		
		local meta = getmetatable(prj)
		local cfg  = meta.__cfgcache[cachekey]
		if (cfg) then
			return cfg
		end
		
		-- prepare the list of active terms
		local terms = premake.getactiveterms()
		terms.config = cfgname
		
		local function copyfields(cfg, this)
			for field,value in pairs(this) do
				if (not table.contains(premake.project.nocopy, field)) then
					if (type(value) == "table") then
						if (not cfg[field]) then cfg[field] = { } end
						table.append(cfg[field], value) 
					else
						cfg[field] = value
					end
				end
			end
		end
						
		-- fields are copied first from the solution, then the solution's configs,
		-- then from the project, then the project's configs. Each can overwrite
		-- or add to the values set previously. The objdir field gets special
		-- treatment, in order to provide a project-level default and still enable
		-- solution-level overrides

		local cfg = { }
		
		copyfields(cfg, prj.solution)
		for _,blk in ipairs(prj.solution.blocks) do
			if (premake.project.checkterms(terms, blk.keywords)) then
				copyfields(cfg, blk)
			end
		end

		copyfields(cfg, prj)
		if (not cfg.objdir) then cfg.objdir = path.join(prj.basedir, "obj") end
		for _,blk in ipairs(prj.blocks) do
			if (premake.project.checkterms(terms, blk.keywords)) then
				copyfields(cfg, blk)
			end
		end
				
		-- remove excluded files
		local files = { }
		for _, fname in ipairs(cfg.files) do
			local excluded = false
			for _, exclude in ipairs(cfg.excludes) do
				excluded = (fname == exclude)
				if (excluded) then break end
			end
						
			if (not excluded) then
				table.insert(files, fname)
			end
		end
		cfg.files = files
		
		-- fix up paths, making them relative to project location where needed
		for _,key in ipairs(premake.project.locationrelative) do
			if (type(cfg[key]) == "table") then
				for i,p in ipairs(cfg[key]) do
					cfg[key][i] = path.getrelative(prj.location, p)
				end
			else
				if (cfg[key]) then
					cfg[key] = path.getrelative(prj.location, cfg[key])
				end
			end
		end
		
		cfg.name = cfgname
		cfg.project = prj
		
		-- precompute common calculated values
		cfg.target = premake.project.gettargetfile(cfg, "target", cfg.kind)
		
		meta.__cfgcache[cachekey] = cfg
		return cfg
	end



--
-- Returns the list of targets, matching the current configuration,
-- for any dependent sibling projects.
--

	function premake.project.getdependencies(cfg)
		local siblings = { }
		for _, link in ipairs(cfg.links) do
			-- is ths a sibling project?
			local prj = premake.project.find(link)
			if (prj) then
				table.insert(siblings, link)
			end
		end
		return siblings
	end



--
-- Converts the values in a configuration "links" field into a list
-- library files to be linked. Converts project names to the correct
-- target for the current configuration.
--

	function premake.project.getlibraries(cfg, list)
		local libs = { }
		
		for _, link in ipairs(list) do
			-- is ths a sibling project?
			local prj = premake.project.find(link)
			if (prj) then
				local target
				
				-- figure out the target name
				local prjcfg = premake.project.getconfig(prj, cfg.name)
				if (prjcfg.kind == "SharedLib" and os.is("windows")) then
					target = premake.project.gettargetfile(prjcfg, "implib", prjcfg.kind)
				else
					target = prjcfg.target
				end
				
				-- target is currently relative to its project location, make
				-- it relative to my location instead
				target = path.getabsolute(path.join(prjcfg.location, target))
				target = path.getrelative(cfg.location, target)
				
				table.insert(libs, target)
			else
				table.insert(libs, link)
			end
		end
		
		return libs
	end
	
	
	
--
-- Return an object directory that is unique across the entire session.
--

	function premake.project.getobjdir(cfg)
		if (premake.project.isuniquevalue("objdir", cfg.objdir)) then
			return cfg.objdir
		end

		local fn = function (cfg) return path.join(cfg.objdir, cfg.name) end
		local objdir = fn(cfg)
		if (premake.project.isuniquevalue("objdir", objdir, fn)) then
			return objdir
		end
		
		return path.join(cfg.objdir, cfg.project.name .. "/" .. cfg.name)
	end
	
	
	
--
-- Retrieve the current object of the a particular type from the session.
-- The type may be "solution", "container" (the last activated solution or
-- project), or "config" (the last activated configuration). Returns the
-- requested container, or nil and an error message.
--

	function premake.project.getobject(t)
		local container
		
		if (t == "container" or t == "solution") then
			container = premake.CurrentContainer
		else
			container = premake.CurrentConfiguration
		end
		
		if (t == "solution" and type(container) ~= "solution") then
			container = nil
		end
		
		local msg
		if (not container) then
			if (t == "container") then
				msg = "no active solution or project"
			elseif (t == "solution") then
				msg = "no active solution"
			else
				msg = "no active solution, project, or configuration"
			end
		end
		
		return container, msg
	end
	
	
	
--
-- Builds a platform specific target (executable, library) file name of a
-- specific type, using the information from a project configuration.
--

	function premake.project.gettargetfile(cfg, field, kind, os)
		if (not os) then os = _OPTIONS.os or _OS end
		
		local name = cfg[field.."name"] or cfg.targetname or cfg.project.name
		local dir = cfg[field.."dir"] or cfg.targetdir or cfg.basedir

		local prefix = ""
		local extension = ""
		
		if (os == "windows") then
			if (kind == "ConsoleExe" or kind == "WindowedExe") then
				extension = ".exe"
			elseif (kind == "SharedLib") then
				extension = ".dll"
			elseif (kind == "StaticLib") then
				extension = ".lib"
			end
		elseif (os == "macosx" and kind == "WindowedExe") then
			name = name .. ".app/Contents/MacOS/" .. name
		else
			if (kind == "SharedLib") then
				prefix = "lib"
				extension = ".so"
			elseif (kind == "StaticLib") then
				prefix = "lib"
				extension = ".a"
			end
		end
		
		prefix = cfg[field.."prefix"] or prefix
		extension = cfg[field.."extension"] or extension
		
		return path.join(dir, prefix .. name .. extension)
	end


--
-- Determines if a field value is unique across all configurations of
-- all projects in the session. Used to create unique output targets.
--

	function premake.project.isuniquevalue(fieldname, value, fn)
		local count = 0
		for _, sln in ipairs(_SOLUTIONS) do
			for _, prj in ipairs(sln.projects) do
				for _, cfgname in ipairs(sln.configurations) do
					local cfg = premake.project.getconfig(prj, cfgname)

					local tst
					if (fn) then
						tst = fn(cfg)
					else
						tst = cfg[fieldname]
					end
					
					if (tst == value) then 
						count = count + 1 
						if (count > 1) then return false end
					end
				end
			end
		end
		return true
	end

	

--
-- Returns an iterator for a solution's projects.
--

	function premake.project.projects(sln)
		local i = 0
		return function ()
			i = i + 1
			if (i <= #sln.projects) then
				local prj = sln.projects[i]
				
				-- merge solution and project values
				local merged = premake.project.getconfig(prj)
				setmetatable(merged, getmetatable(prj))
				merged.name = prj.name
				merged.blocks = prj.blocks
				return merged
			end
		end
	end
	
	

--
-- Adds values to an array field of a solution/project/configuration. `ctype`
-- specifies the container type (see premake.getobject) for the field.
--

	function premake.project.setarray(ctype, fieldname, value, allowed)
		local container, err = premake.project.getobject(ctype)
		if (not container) then
			error(err, 3)
		end

		if (not container[fieldname]) then
			container[fieldname] = { }
		end

		local function doinsert(value)
			if (type(value) == "table") then
				for _,v in ipairs(value) do
					doinsert(v)
				end
			else
				local v = premake.checkvalue(value, allowed)
				if (not v) then error("invalid value '" .. value .. "'", 3) end
				table.insert(container[fieldname], v)
			end
		end

		if (value) then
			doinsert(value)
		end
		
		return container[fieldname]
	end

	

--
-- Adds values to an array-of-directories field of a solution/project/configuration. 
-- `ctype` specifies the container type (see premake.getobject) for the field. All
-- values are converted to absolute paths before being stored.
--

	local function domatchedarray(ctype, fieldname, value, matchfunc)
		local result = { }
		
		function makeabsolute(arr)
			for i,value in ipairs(arr) do
				if (type(value) == "table") then
					makeabsolute(value)
				else
					if value:find("*") then
						makeabsolute(matchfunc(value))
					else
						table.insert(result, path.getabsolute(value))
					end
				end
			end
		end
		
		makeabsolute(value)
		return premake.project.setarray(ctype, fieldname, result)
	end
	
	function premake.project.setdirarray(ctype, fieldname, value)
		return domatchedarray(ctype, fieldname, value, os.matchdirs)
	end
	
	function premake.project.setfilearray(ctype, fieldname, value)
		return domatchedarray(ctype, fieldname, value, os.matchfiles)
	end
	
	
--
-- Set a new value for a string field of a solution/project/configuration. `ctype`
-- specifies the container type (see premake.project.getobject) for the field.
--

	function premake.project.setstring(ctype, fieldname, value, allowed)
		-- find the container for this value
		local container, err = premake.project.getobject(ctype)
		if (not container) then
			error(err, 3)
		end
	
		-- if a value was provided, set it
		if (value) then
			local v = premake.checkvalue(value, allowed)
			if (not v) then error("invalid value '" .. value .. "'", 3) end
			container[fieldname] = v
		end
		
		return container[fieldname]	
	end