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
|
#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006 (ita)
"ocaml support"
import os, re
import TaskGen, Utils, Task, Build
from Logs import error
from TaskGen import taskgen, feature, before, after, extension
EXT_MLL = ['.mll']
EXT_MLY = ['.mly']
EXT_MLI = ['.mli']
EXT_MLC = ['.c']
EXT_ML = ['.ml']
open_re = re.compile('^\s*open\s+([a-zA-Z]+)(;;){0,1}$', re.M)
foo = re.compile(r"""(\(\*)|(\*\))|("(\\.|[^"\\])*"|'(\\.|[^'\\])*'|.[^()*"'\\]*)""", re.M)
def filter_comments(txt):
meh = [0]
def repl(m):
if m.group(1): meh[0] += 1
elif m.group(2): meh[0] -= 1
elif not meh[0]: return m.group(0)
return ''
return foo.sub(repl, txt)
def scan(self):
node = self.inputs[0]
code = filter_comments(node.read(self.env))
global open_re
names = []
import_iterator = open_re.finditer(code)
if import_iterator:
for import_match in import_iterator:
names.append(import_match.group(1))
found_lst = []
raw_lst = []
for name in names:
nd = None
for x in self.incpaths:
nd = x.find_resource(name.lower()+'.ml')
if not nd: nd = x.find_resource(name+'.ml')
if nd:
found_lst.append(nd)
break
else:
raw_lst.append(name)
return (found_lst, raw_lst)
native_lst=['native', 'all', 'c_object']
bytecode_lst=['bytecode', 'all']
class ocaml_taskgen(TaskGen.task_gen):
def __init__(self, *k, **kw):
TaskGen.task_gen.__init__(self, *k, **kw)
@feature('ocaml')
def init_ml(self):
Utils.def_attrs(self,
type = 'all',
incpaths_lst = [],
bld_incpaths_lst = [],
mlltasks = [],
mlytasks = [],
mlitasks = [],
native_tasks = [],
bytecode_tasks = [],
linktasks = [],
bytecode_env = None,
native_env = None,
compiled_tasks = [],
includes = '',
uselib = '',
are_deps_set = 0)
@feature('ocaml')
@after('init_ml')
def init_envs_ml(self):
self.islibrary = getattr(self, 'islibrary', False)
global native_lst, bytecode_lst
self.native_env = None
if self.type in native_lst:
self.native_env = self.env.copy()
if self.islibrary: self.native_env['OCALINKFLAGS'] = '-a'
self.bytecode_env = None
if self.type in bytecode_lst:
self.bytecode_env = self.env.copy()
if self.islibrary: self.bytecode_env['OCALINKFLAGS'] = '-a'
if self.type == 'c_object':
self.native_env.append_unique('OCALINKFLAGS_OPT', '-output-obj')
@feature('ocaml')
@before('apply_vars_ml')
@after('init_envs_ml')
def apply_incpaths_ml(self):
inc_lst = self.includes.split()
lst = self.incpaths_lst
for dir in inc_lst:
node = self.path.find_dir(dir)
if not node:
error("node not found: " + str(dir))
continue
self.bld.rescan(node)
if not node in lst: lst.append(node)
self.bld_incpaths_lst.append(node)
# now the nodes are added to self.incpaths_lst
@feature('ocaml')
@before('apply_core')
def apply_vars_ml(self):
for i in self.incpaths_lst:
if self.bytecode_env:
app = self.bytecode_env.append_value
app('OCAMLPATH', '-I')
app('OCAMLPATH', i.srcpath(self.env))
app('OCAMLPATH', '-I')
app('OCAMLPATH', i.bldpath(self.env))
if self.native_env:
app = self.native_env.append_value
app('OCAMLPATH', '-I')
app('OCAMLPATH', i.bldpath(self.env))
app('OCAMLPATH', '-I')
app('OCAMLPATH', i.srcpath(self.env))
varnames = ['INCLUDES', 'OCAMLFLAGS', 'OCALINKFLAGS', 'OCALINKFLAGS_OPT']
for name in self.uselib.split():
for vname in varnames:
cnt = self.env[vname+'_'+name]
if cnt:
if self.bytecode_env: self.bytecode_env.append_value(vname, cnt)
if self.native_env: self.native_env.append_value(vname, cnt)
@feature('ocaml')
@after('apply_core')
def apply_link_ml(self):
if self.bytecode_env:
ext = self.islibrary and '.cma' or '.run'
linktask = self.create_task('ocalink')
linktask.bytecode = 1
linktask.set_outputs(self.path.find_or_declare(self.target + ext))
linktask.obj = self
linktask.env = self.bytecode_env
self.linktasks.append(linktask)
if self.native_env:
if self.type == 'c_object': ext = '.o'
elif self.islibrary: ext = '.cmxa'
else: ext = ''
linktask = self.create_task('ocalinkx')
linktask.set_outputs(self.path.find_or_declare(self.target + ext))
linktask.obj = self
linktask.env = self.native_env
self.linktasks.append(linktask)
# we produce a .o file to be used by gcc
self.compiled_tasks.append(linktask)
@extension(EXT_MLL)
def mll_hook(self, node):
mll_task = self.create_task('ocamllex', node, node.change_ext('.ml'), env=self.native_env)
self.mlltasks.append(mll_task)
self.allnodes.append(mll_task.outputs[0])
@extension(EXT_MLY)
def mly_hook(self, node):
mly_task = self.create_task('ocamlyacc', node, [node.change_ext('.ml'), node.change_ext('.mli')], env=self.native_env)
self.mlytasks.append(mly_task)
self.allnodes.append(mly_task.outputs[0])
task = self.create_task('ocamlcmi', mly_task.outputs[1], mly_task.outputs[1].change_ext('.cmi'), env=self.native_env)
@extension(EXT_MLI)
def mli_hook(self, node):
task = self.create_task('ocamlcmi', node, node.change_ext('.cmi'), env=self.native_env)
self.mlitasks.append(task)
@extension(EXT_MLC)
def mlc_hook(self, node):
task = self.create_task('ocamlcc', node, node.change_ext('.o'), env=self.native_env)
self.compiled_tasks.append(task)
@extension(EXT_ML)
def ml_hook(self, node):
if self.native_env:
task = self.create_task('ocamlx', node, node.change_ext('.cmx'), env=self.native_env)
task.obj = self
task.incpaths = self.bld_incpaths_lst
self.native_tasks.append(task)
if self.bytecode_env:
task = self.create_task('ocaml', node, node.change_ext('.cmo'), env=self.bytecode_env)
task.obj = self
task.bytecode = 1
task.incpaths = self.bld_incpaths_lst
self.bytecode_tasks.append(task)
def compile_may_start(self):
if not getattr(self, 'flag_deps', ''):
self.flag_deps = 1
# the evil part is that we can only compute the dependencies after the
# source files can be read (this means actually producing the source files)
if getattr(self, 'bytecode', ''): alltasks = self.obj.bytecode_tasks
else: alltasks = self.obj.native_tasks
self.signature() # ensure that files are scanned - unfortunately
tree = self.generator.bld
env = self.env
for node in self.inputs:
lst = tree.node_deps[self.unique_id()]
for depnode in lst:
for t in alltasks:
if t == self: continue
if depnode in t.inputs:
self.set_run_after(t)
# TODO necessary to get the signature right - for now
delattr(self, 'cache_sig')
self.signature()
return Task.Task.runnable_status(self)
b = Task.simple_task_type
cls = b('ocamlx', '${OCAMLOPT} ${OCAMLPATH} ${OCAMLFLAGS} ${INCLUDES} -c -o ${TGT} ${SRC}', color='GREEN', shell=False)
cls.runnable_status = compile_may_start
cls.scan = scan
b = Task.simple_task_type
cls = b('ocaml', '${OCAMLC} ${OCAMLPATH} ${OCAMLFLAGS} ${INCLUDES} -c -o ${TGT} ${SRC}', color='GREEN', shell=False)
cls.runnable_status = compile_may_start
cls.scan = scan
b('ocamlcmi', '${OCAMLC} ${OCAMLPATH} ${INCLUDES} -o ${TGT} -c ${SRC}', color='BLUE', before="ocaml ocamlcc ocamlx")
b('ocamlcc', 'cd ${TGT[0].bld_dir(env)} && ${OCAMLOPT} ${OCAMLFLAGS} ${OCAMLPATH} ${INCLUDES} -c ${SRC[0].abspath(env)}', color='GREEN')
b('ocamllex', '${OCAMLLEX} ${SRC} -o ${TGT}', color='BLUE', before="ocamlcmi ocaml ocamlcc")
b('ocamlyacc', '${OCAMLYACC} -b ${TGT[0].bld_base(env)} ${SRC}', color='BLUE', before="ocamlcmi ocaml ocamlcc")
def link_may_start(self):
if not getattr(self, 'order', ''):
# now reorder the inputs given the task dependencies
if getattr(self, 'bytecode', 0): alltasks = self.obj.bytecode_tasks
else: alltasks = self.obj.native_tasks
# this part is difficult, we do not have a total order on the tasks
# if the dependencies are wrong, this may not stop
seen = []
pendant = []+alltasks
while pendant:
task = pendant.pop(0)
if task in seen: continue
for x in task.run_after:
if not x in seen:
pendant.append(task)
break
else:
seen.append(task)
self.inputs = [x.outputs[0] for x in seen]
self.order = 1
return Task.Task.runnable_status(self)
act = b('ocalink', '${OCAMLC} -o ${TGT} ${INCLUDES} ${OCALINKFLAGS} ${SRC}', color='YELLOW', after="ocaml ocamlcc")
act.runnable_status = link_may_start
act = b('ocalinkx', '${OCAMLOPT} -o ${TGT} ${INCLUDES} ${OCALINKFLAGS_OPT} ${SRC}', color='YELLOW', after="ocamlx ocamlcc")
act.runnable_status = link_may_start
def detect(conf):
opt = conf.find_program('ocamlopt', var='OCAMLOPT')
occ = conf.find_program('ocamlc', var='OCAMLC')
if (not opt) or (not occ):
conf.fatal('The objective caml compiler was not found:\ninstall it or make it available in your PATH')
v = conf.env
v['OCAMLC'] = occ
v['OCAMLOPT'] = opt
v['OCAMLLEX'] = conf.find_program('ocamllex', var='OCAMLLEX')
v['OCAMLYACC'] = conf.find_program('ocamlyacc', var='OCAMLYACC')
v['OCAMLFLAGS'] = ''
v['OCAMLLIB'] = Utils.cmd_output(conf.env['OCAMLC']+' -where').strip()+os.sep
v['LIBPATH_OCAML'] = Utils.cmd_output(conf.env['OCAMLC']+' -where').strip()+os.sep
v['CPPPATH_OCAML'] = Utils.cmd_output(conf.env['OCAMLC']+' -where').strip()+os.sep
v['LIB_OCAML'] = 'camlrun'
|
