-
-
Notifications
You must be signed in to change notification settings - Fork 738
/
common.lua
743 lines (689 loc) · 27.1 KB
/
common.lua
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
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, TBOOX Open Source Group.
--
-- @author Arthapz, ruki
-- @file common.lua
--
-- imports
import("core.base.json")
import("core.base.bytes")
import("core.base.hashset")
import("core.project.config")
import("core.tool.compiler")
import("core.cache.memcache", {alias = "_memcache"})
import("core.cache.localcache", {alias = "_localcache"})
import("core.project.project")
import("lib.detect.find_file")
import("private.async.buildjobs")
import("stl_headers")
-- get memcache
function memcache()
return _memcache.cache("cxxmodules")
end
-- get localcache
function localcache()
return _localcache.cache("cxxmodules")
end
-- get stl modules cache directory
function stlmodules_cachedir(target, opt)
opt = opt or {}
local stlcachedir = path.join(config.buildir(), "stlmodules", "cache", config.mode() or "release")
if opt.mkdir and not os.isdir(stlcachedir) then
os.mkdir(stlcachedir)
os.mkdir(path.join(stlcachedir, "experimental"))
end
return stlcachedir
end
-- get modules cache directory
function modules_cachedir(target, opt)
opt = opt or {}
local cachedir = path.join(target:autogendir(), "rules", "modules", "cache")
if opt.mkdir and not os.isdir(cachedir) then
os.mkdir(cachedir)
end
return cachedir
end
-- get headerunits info
function get_headerunits(target, sourcebatch, modules)
local headerunits
local stl_headerunits
for _, objectfile in ipairs(sourcebatch.objectfiles) do
local m = modules[objectfile]
if m then
for name, r in pairs(m.requires) do
if r.method ~= "by-name" then
local unittype = r.method == "include-angle" and ":angle" or ":quote"
if stl_headers.is_stl_header(name) then
stl_headerunits = stl_headerunits or {}
if not table.find_if(stl_headerunits, function(i, v) return v.name == name end) then
table.insert(stl_headerunits, {name = name, path = r.path, type = unittype, unique = r.unique})
end
else
headerunits = headerunits or {}
if not table.find_if(headerunits, function(i, v) return v.name == name end) then
table.insert(headerunits, {name = name, path = r.path, type = unittype, unique = r.unique})
end
end
end
end
end
end
return headerunits, stl_headerunits
end
-- patch sourcebatch
function patch_sourcebatch(target, sourcebatch)
sourcebatch.sourcekind = "cxx"
sourcebatch.objectfiles = {}
sourcebatch.dependfiles = {}
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
local objectfile = target:objectfile(sourcefile)
local dependfile = target:dependfile(objectfile)
table.insert(sourcebatch.objectfiles, objectfile)
table.insert(sourcebatch.dependfiles, dependfile)
end
end
function parse_meta_info(target, metafile)
local metadata = json.loadfile(metafile)
if metadata._VENDOR_extension.xmake then
return metadata._VENDOR_extension.xmake.file, metadata._VENDOR_extension.xmake.name, metadata
end
local filename = path.basename(metafile)
local metadir = path.directory(metafile)
for _, ext in ipairs({".mpp", ".mxx", ".cppm", ".ixx"}) do
if os.isfile(path.join(metadir, filename .. ext)) then
filename = filename .. ext
break
end
end
local sourcecode = io.readfile(path.join(path.directory(metafile), filename))
sourcecode = sourcecode:gsub("//.-\n", "\n")
sourcecode = sourcecode:gsub("/%*.-%*/", "")
local name
for _, line in ipairs(sourcecode:split("\n", {plain = true})) do
name = line:match("export%s+module%s+(.+)%s*;") or line:match("export%s+__preprocessed_module%s+(.+)%s*;")
if name then
break
end
end
return filename, name, metadata
end
-- extract packages modules dependencies
function get_all_package_modules(target, modules, opt)
local package_modules
-- parse all meta-info and append their informations to the package store
for name, package in pairs(target:pkgs()) do
package_modules = package_modules or {}
local modules_dir = path.join(package:installdir(), "modules", name)
local metafiles = os.files(path.join(modules_dir, "**.meta-info"))
for _, metafile in ipairs(metafiles) do
local modulefile, name, metadata = parse_meta_info(target, metafile)
package_modules[name] = {
file = path.join(modules_dir, modulefile),
metadata = metadata
}
end
end
return package_modules
end
-- cull unused modules
function cull_unused_modules(target, modules, package_modules_data)
local needed_modules = {}
-- append all target dependencies
for _, module in pairs(modules) do
if module.requires then
for required, _ in pairs(module.requires) do
table.insert(needed_modules, required)
end
end
end
-- append all package dependencies
local culled
local module_names = table.keys(package_modules_data)
for _, name in ipairs(module_names) do
culled = culled or {}
if table.find(needed_modules, name) and package_modules_data[name] and not culled[name] then
culled[name] = package_modules_data[name]
if culled[name].metadata.imports then
table.join2(needed_modules, culled[name].metadata.imports)
table.join2(module_names, culled[name].metadata.imports)
end
end
end
return culled
end
-- get modules support
function modules_support(target)
local cachekey = tostring(target)
local module_builder = memcache():get2("modules_support", cachekey)
if module_builder == nil then
if target:has_tool("cxx", "clang", "clangxx") then
module_builder = import("clang", {anonymous = true})
elseif target:has_tool("cxx", "gcc", "gxx") then
module_builder = import("gcc", {anonymous = true})
elseif target:has_tool("cxx", "cl") then
module_builder = import("msvc", {anonymous = true})
else
local _, toolname = target:tool("cxx")
raise("compiler(%s): does not support c++ module!", toolname)
end
memcache():set2("modules_support", cachekey, module_builder)
end
return module_builder
end
-- get bmi extension
function bmi_extension(target)
return modules_support(target).get_bmi_extension()
end
-- has module extension? e.g. *.mpp, ...
function has_module_extension(sourcefile)
local modulexts = _g.modulexts
if modulexts == nil then
modulexts = hashset.of(".mpp", ".mxx", ".cppm", ".ixx")
_g.modulexts = modulexts
end
local extension = path.extension(sourcefile)
return modulexts:has(extension:lower())
end
-- this target contains module files?
function contains_modules(target)
-- we can not use `"c++.build.modules.builder"`, because it contains sourcekind/cxx.
local target_with_modules = target:sourcebatches()["c++.build.modules"] and true or false
if not target_with_modules then
target_with_modules = target:policy("build.c++.modules")
end
if not target_with_modules then
for _, dep in ipairs(target:orderdeps()) do
local sourcebatches = dep:sourcebatches()
if sourcebatches["c++.build.modules"] then
target_with_modules = true
break
end
end
end
return target_with_modules
end
-- load module infos
function load_moduleinfos(target, sourcebatch)
local moduleinfos
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
local dependfile = target:dependfile(sourcefile)
if os.isfile(dependfile) then
local data = io.load(dependfile)
if data then
moduleinfos = moduleinfos or {}
local moduleinfo = json.decode(data.moduleinfo)
moduleinfo.sourcefile = sourcefile
if moduleinfo then
table.insert(moduleinfos, moduleinfo)
end
end
end
end
return moduleinfos
end
-- parse module dependency data
--[[
{
"build/.objs/stl_headerunit/linux/x86_64/release/src/hello.mpp.o" = {
requires = {
iostream = {
method = "include-angle",
unique = true,
path = "/usr/include/c++/11/iostream"
}
},
provides = {
hello = {
bmi = "build/.gens/stl_headerunit/linux/x86_64/release/rules/modules/cache/hello.gcm",
sourcefile = "src/hello.mpp"
}
}
},
"build/.objs/stl_headerunit/linux/x86_64/release/src/main.cpp.o" = {
requires = {
hello = {
method = "by-name",
unique = false,
path = "build/.gens/stl_headerunit/linux/x86_64/release/rules/modules/cache/hello.gcm"
}
}
}
}]]
function _parse_dependencies_data(target, moduleinfos)
local modules
for _, moduleinfo in ipairs(moduleinfos) do
assert(moduleinfo.version <= 1)
for _, rule in ipairs(moduleinfo.rules) do
modules = modules or {}
local m = {}
if rule.provides then
for _, provide in ipairs(rule.provides) do
m.provides = m.provides or {}
assert(provide["logical-name"])
local bmifile = provide["compiled-module-path"]
-- try to find the compiled module path in outputs filed (MSVC doesn't generate compiled-module-path)
if not bmifile then
for _, output in ipairs(rule.outputs) do
if output:endswith(".ifc") or output:endswith(".pcm") or output:endswith(".bmi") then
bmifile = output
break
end
end
-- we didn't found the compiled module path, so we assume it
if not bmifile then
local name = provide["logical-name"] .. bmi_extension(target)
-- partition ":" character is invalid path character on windows
-- @see https://github.com/xmake-io/xmake/issues/2954
name = name:replace(":", "-")
bmifile = path.join(get_outputdir(target, name), name)
end
end
m.provides[provide["logical-name"]] = {
bmi = bmifile,
sourcefile = moduleinfo.sourcefile,
interface = provide["is-interface"]
}
end
else
m.cppfile = moduleinfo.sourcefile
end
assert(rule["primary-output"])
modules[path.translate(rule["primary-output"])] = m
end
end
for _, moduleinfo in ipairs(moduleinfos) do
for _, rule in ipairs(moduleinfo.rules) do
local m = modules[path.translate(rule["primary-output"])]
for _, r in ipairs(rule.requires) do
m.requires = m.requires or {}
local p = r["source-path"]
if not p then
for _, dependency in pairs(modules) do
if dependency.provides and dependency.provides[r["logical-name"]] then
p = dependency.provides[r["logical-name"]].bmi
break
end
end
end
m.requires[r["logical-name"]] = {
method = r["lookup-method"] or "by-name",
path = p and path.translate(p) or nil,
unique = r["unique-on-source-path"] or false
}
end
end
end
return modules
end
-- check circular dependencies for the given module
function _check_circular_dependencies_of_module(name, moduledeps, modulesources, depspath)
for _, dep in ipairs(moduledeps[name]) do
local depinfo = moduledeps[dep]
if depinfo then
local depspath_sub
if depspath then
for idx, name in ipairs(depspath) do
if name == dep then
local circular_deps = table.slice(depspath, idx)
table.insert(circular_deps, dep)
local sourceinfo = ""
for _, circular_depname in ipairs(circular_deps) do
local sourcefile = modulesources[circular_depname]
if sourcefile then
sourceinfo = sourceinfo .. ("\n -> module(%s) in %s"):format(circular_depname, sourcefile)
end
end
os.raise("circular modules dependency(%s) detected!%s", table.concat(circular_deps, ", "), sourceinfo)
end
end
depspath_sub = table.join(depspath, dep)
end
_check_circular_dependencies_of_module(dep, moduledeps, modulesources, depspath_sub)
end
end
end
-- check circular dependencies
-- @see https://github.com/xmake-io/xmake/issues/3031
function _check_circular_dependencies(modules)
local moduledeps = {}
local modulesources = {}
for _, mod in pairs(modules) do
if mod then
if mod.provides and mod.requires then
for name, provide in pairs(mod.provides) do
modulesources[name] = provide.sourcefile
local deps = moduledeps[name]
if deps then
table.join2(deps, mod.requires)
else
moduledeps[name] = table.keys(mod.requires)
end
end
end
end
end
for name, _ in pairs(moduledeps) do
_check_circular_dependencies_of_module(name, moduledeps, modulesources, {name})
end
end
function _topological_sort_visit(node, nodes, modules, output)
if node.marked then
return
end
assert(not node.tempmarked)
node.tempmarked = true
local m1 = modules[node.objectfile]
for _, n in ipairs(nodes) do
if not n.tempmarked then
local m2 = modules[n.objectfile]
if m2 then
for name, provide in pairs(m1.provides) do
if m2.requires and m2.requires[name] then
_topological_sort_visit(n, nodes, modules, output)
end
end
end
end
end
node.tempmarked = false
node.marked = true
table.insert(output, 1, node.objectfile)
end
function _topological_sort_has_node_without_mark(nodes)
for _, node in ipairs(nodes) do
if not node.marked then
return true
end
end
return false
end
function _topological_sort_get_first_unmarked_node(nodes)
for _, node in ipairs(nodes) do
if not node.marked and not node.tempmarked then
return node
end
end
end
-- topological sort
function sort_modules_by_dependencies(objectfiles, modules)
local output = {}
local nodes = {}
for _, objectfile in ipairs(objectfiles) do
local m = modules[objectfile]
if m then
table.insert(nodes, {marked = false, tempmarked = false, objectfile = objectfile})
end
end
while _topological_sort_has_node_without_mark(nodes) do
local node = _topological_sort_get_first_unmarked_node(nodes)
_topological_sort_visit(node, nodes, modules, output)
end
return output
end
function find_quote_header_file(target, sourcefile, file)
local p = path.join(path.directory(path.absolute(sourcefile, project.directory())), file)
assert(os.isfile(p))
return p
end
function find_angle_header_file(target, file)
local headerpaths = modules_support(target).toolchain_includedirs(target)
for _, dep in ipairs(target:orderdeps()) do
local includedirs = dep:get("sysincludedirs") or dep:get("includedirs")
if includedirs then
table.join2(headerpaths, includedirs)
end
end
for _, pkg in pairs(target:pkgs()) do
local includedirs = pkg:get("sysincludedirs") or pkg:get("includedirs")
if includedirs then
table.join2(headerpaths, includedirs)
end
end
table.join2(headerpaths, target:get("includedirs"))
local p = find_file(file, headerpaths)
assert(p, "find <%s> not found!", file)
return p
end
-- https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p1689r5.html
--[[
{
"version": 1,
"revision": 0,
"rules": [
{
"primary-output": "use-header.mpp.o",
"requires": [
{
"logical-name": "<header.hpp>",
"source-path": "/path/to/found/header.hpp",
"unique-on-source-path": true,
"lookup-method": "include-angle"
}
]
},
{
"primary-output": "header.hpp.bmi",
"provides": [
{
"logical-name": "header.hpp",
"source-path": "/path/to/found/header.hpp",
"unique-on-source-path": true,
}
]
}
]
}]]
function fallback_generate_dependencies(target, jsonfile, sourcefile, preprocess_file)
local output = {version = 1, revision = 0, rules = {}}
local rule = {outputs = {jsonfile}}
rule["primary-output"] = target:objectfile(sourcefile)
local module_name_export
local module_name_private
local module_deps = {}
local module_deps_set = hashset.new()
local sourcecode = preprocess_file(sourcefile) or io.readfile(sourcefile)
local internal = false
sourcecode = sourcecode:gsub("//.-\n", "\n")
sourcecode = sourcecode:gsub("/%*.-%*/", "")
for _, line in ipairs(sourcecode:split("\n", {plain = true})) do
if not module_name_export then
module_name_export = line:match("export%s+module%s+(.+)%s*;") or line:match("export%s+__preprocessed_module%s+(.+)%s*;")
end
if not module_name_private then
module_name_private = line:match("module%s+(.+)%s*;") or line:match("__preprocessed_module%s+(.+)%s*;")
if module_name_private then
internal = module_name_private:find(":")
end
end
local module_depname = line:match("import%s+(.+)%s*;")
-- we need parse module interface dep in cxx/impl_unit.cpp, e.g. hello.mpp and hello_impl.cpp
-- @see https://github.com/xmake-io/xmake/pull/2664#issuecomment-1213167314
if not module_depname and not has_module_extension(sourcefile) then
module_depname = module_name_private
end
if module_depname and not module_deps_set:has(module_depname) then
local module_dep = {}
-- partition? import :xxx;
if module_depname:startswith(":") then
local module_name = (module_name_export or module_name_private or "")
module_name = module_name:split(":")[1]
module_dep["unique-on-source-path"] = true
module_depname = module_name .. module_depname
elseif module_depname:startswith("\"") then
module_depname = module_depname:sub(2, -2)
module_dep["lookup-method"] = "include-quote"
module_dep["unique-on-source-path"] = true
module_dep["source-path"] = find_quote_header_file(target, sourcefile, module_depname)
elseif module_depname:startswith("<") then
module_depname = module_depname:sub(2, -2)
module_dep["lookup-method"] = "include-angle"
module_dep["unique-on-source-path"] = true
module_dep["source-path"] = find_angle_header_file(target, module_depname)
end
module_dep["logical-name"] = module_depname
table.insert(module_deps, module_dep)
module_deps_set:insert(module_depname)
end
end
if module_name_export or internal then
local outputdir = get_outputdir(target, sourcefile)
local provide = {}
provide["logical-name"] = module_name_export or module_name_private
provide["source-path"] = sourcefile
provide["is-interface"] = not internal
provide["compiled-module-path"] = path.join(outputdir, (module_name_export or module_name_private) .. bmi_extension(target))
rule.provides = {}
table.insert(rule.provides, provide)
end
rule.requires = module_deps
table.insert(output.rules, rule)
local jsondata = json.encode(output)
io.writefile(jsonfile, jsondata)
end
-- get module dependencies
function get_module_dependencies(target, sourcebatch, opt)
local cachekey = target:name() .. "/" .. sourcebatch.rulename
local modules = memcache():get2("modules", cachekey)
if modules == nil or opt.regenerate then
modules = localcache():get2("modules", cachekey)
opt.progress = opt.progress or 0
local changed = modules_support(target).generate_dependencies(target, sourcebatch, opt)
if changed or modules == nil then
local moduleinfos = load_moduleinfos(target, sourcebatch)
modules = _parse_dependencies_data(target, moduleinfos)
modules = table.join(modules or {}, modules_support(target).get_stdmodules(target))
if modules then
_check_circular_dependencies(modules)
end
localcache():set2("modules", cachekey, modules)
localcache():save()
end
memcache():set2("modules", cachekey, modules)
end
return modules
end
-- generate headerunits for batchcmds
function generate_headerunits_for_batchcmds(target, batchcmds, sourcebatch, modules, opt)
local user_headerunits, stl_headerunits = get_headerunits(target, sourcebatch, modules)
-- build stl header units as other headerunits may need them
if stl_headerunits then
modules_support(target).generate_stl_headerunits_for_batchcmds(target, batchcmds, stl_headerunits, opt)
end
if user_headerunits then
modules_support(target).generate_user_headerunits_for_batchcmds(target, batchcmds, user_headerunits, opt)
end
end
-- build batchjobs for modules
function build_batchjobs_for_modules(modules, batchjobs, rootjob)
return buildjobs(modules, batchjobs, rootjob)
end
-- build modules for batchjobs
function build_modules_for_batchjobs(target, batchjobs, sourcebatch, modules, opt)
local objectfiles = sort_modules_by_dependencies(sourcebatch.objectfiles, modules)
modules_support(target).build_modules_for_batchjobs(target, batchjobs, objectfiles, modules, opt)
end
-- build modules for batchcmds
function build_modules_for_batchcmds(target, batchcmds, sourcebatch, modules, opt)
local objectfiles = sort_modules_by_dependencies(sourcebatch.objectfiles, modules)
modules_support(target).build_modules_for_batchcmds(target, batchcmds, objectfiles, modules, opt)
end
-- append headerunits objectfiles to link
function append_dependency_objectfiles(target)
local cachekey = target:name() .. "dependency_objectfiles"
local cache = localcache():get(cachekey)
if cache then
if target:is_binary() then
target:add("ldflags", cache, {force = true, expand = false})
elseif target:is_static() then
target:add("arflags", cache, {force = true, expand = false})
elseif target:is_shared() then
target:add("shflags", cache, {force = true, expand = false})
end
end
end
-- generate meta module informations for package / other buildsystems import
-- based on https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2021/p2473r1.pdf
--
-- e.g
-- {
-- "include_paths": ["foo/", "bar/"]
-- "definitions": ["FOO=BAR"]
-- "imports": ["std", "bar"]
-- "_VENDOR_extension": {}
-- }
function generate_meta_module_info(target, name, sourcefile, requires)
local module_metadata = {}
-- add include paths
module_metadata.include_paths = table.wrap(target:get("includedirs")) or {}
for _, deps in ipairs(target:orderdeps()) do
table.join2(module_metadata.include_paths, deps:get("includedirs") or {})
end
-- add definitions
module_metadata.definitions = table.wrap(target:get("defines")) or {}
for _, deps in ipairs(target:orderdeps()) do
table.join2(module_metadata.definitions, deps:get("defines") or {})
end
-- add imports
if requires then
for name, _ in pairs(requires) do
module_metadata.imports = module_metadata.imports or {}
table.append(module_metadata.imports, name)
end
end
module_metadata._VENDOR_extension = { xmake = { name = name, file = path.filename(sourcefile) }}
return module_metadata
end
function install_module_target(target)
local sourcebatch = target:sourcebatches()["c++.build.modules.install"]
if sourcebatch and sourcebatch.sourcefiles then
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
local prefixdir = path.join("modules", target:name())
local fileconfig = target:fileconfig(sourcefile)
if fileconfig and fileconfig.prefixdir then
prefixdir = fileconfig.prefixdir
end
local install = (fileconfig and not fileconfig.install) and false or true
if install then
target:add("installfiles", sourcefile, {prefixdir = prefixdir})
local outputdir = get_outputdir(target,sourcefile)
local metafile = path.join(outputdir, path.filename(sourcefile) .. ".meta-info")
if os.exists(metafile) then
target:add("installfiles", metafile, {prefixdir = prefixdir})
end
end
end
end
end
function get_outputdir(target, module)
local cachedir = modules_cachedir(target)
local modulepath = module.path or module
local cached = localcache():get2("modules_paths", modulepath)
if cached then
if not os.exists(cached) then
os.mkdir(cached)
end
return cached
else
local key = path.directory(modulepath) .. target:name()
local hashed = hash.uuid(key):split("-", {plain = true})[1]:lower()
local moduledir = path.join(cachedir, hashed)
localcache():set2("modules_paths", modulepath, moduledir)
if not os.exists(moduledir) then
os.mkdir(moduledir)
end
return moduledir
end
end