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Improve the Erlang module #2095
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Thomas Nagy
parent
69157c7b68
commit
d35cd0cf12
@ -1,15 +1,17 @@
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#!/usr/bin/env python
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# encoding: utf-8
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#Thomas Nagy, 2010 (ita), Przemyslaw Rzepecki, 2016
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# Thomas Nagy, 2010 (ita)
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# Przemyslaw Rzepecki, 2016
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"""
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Erlang support
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"""
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from waflib import Task, TaskGen
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from waflib.TaskGen import extension, feature, after_method, before_method
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import os
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import re
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from waflib import Task, TaskGen
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from waflib.TaskGen import feature, after_method, before_method
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# to load the method "to_incnodes" below
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from waflib.Tools import ccroot
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# Those flags are required by the Erlang VM to execute/evaluate code in
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# non-interactive mode. It is used in this tool to create Erlang modules
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@ -17,73 +19,48 @@ import re
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# 'erl' command with ERL_FLAGS environment variable.
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EXEC_NON_INTERACTIVE = ['-noshell', '-noinput', '-eval']
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def scan_meth(task):
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node = task.inputs[0]
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parent = node.parent
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deps = []
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scanned = set([])
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nodes_to_scan = [node]
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for n in nodes_to_scan:
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if n.abspath() in scanned:
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continue
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for i in re.findall('-include\("(.*)"\)\.', n.read()):
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found = False
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for d in task.includes_nodes:
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r = task.generator.path.find_resource(os.path.join(d,i))
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if r:
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deps.append(r)
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nodes_to_scan.append(r)
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found = True
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break
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r = task.generator.bld.root.find_resource(os.path.join(d,i))
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if r:
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deps.append(r)
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nodes_to_scan.append(r)
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found = True
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break
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if not found:
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pass
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scanned.add(n.abspath())
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return (deps, [])
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def configure(conf):
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conf.find_program('erlc', var='ERLC')
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conf.find_program('erl', var='ERL')
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conf.add_os_flags('ERLC_FLAGS')
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conf.add_os_flags('ERL_FLAGS')
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conf.env.ERLC_DEF_PATTERN = '-D%s'
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conf.env.ERLC_INC_PATTERN = '-I%s'
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@TaskGen.extension('.erl')
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def process(self, node):
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def process_erl_node(self, node):
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tsk = self.create_task('erl', node, node.change_ext('.beam'))
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tsk.includes_nodes = self.to_list(getattr(self, 'includes', [])) + self.env['INCLUDES'] + [node.parent.abspath()]
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tsk.defines = self.to_list(getattr(self, 'defines', [])) + self.env['DEFINES']
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tsk.flags = self.to_list(getattr(self, 'flags', [])) + self.env['ERLC_FLAGS']
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tsk.erlc_incnodes = [tsk.outputs[0].parent] + self.to_incnodes(self.includes)
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tsk.env.append_value('ERLC_INCPATHS', [x.abspath() for x in tsk.erlc_incnodes])
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tsk.env.append_value('ERLC_DEFINES', self.to_list(getattr(self, 'defines', [])))
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tsk.env.append_value('ERLC_FLAGS', self.to_list(getattr(self, 'flags', [])))
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tsk.cwd = tsk.outputs[0].parent
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class erl(Task.Task):
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scan=scan_meth
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color='GREEN'
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vars = ['ERLC_FLAGS', 'ERLC', 'ERL', 'INCLUDES', 'DEFINES']
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class erl(Task.Task):
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color = 'GREEN'
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run_str = '${ERLC} ${ERL_FLAGS} ${ERLC_INC_PATTERN:ERLC_INCPATHS} ${ERLC_DEF_PATTERN:ERLC_DEFINES} ${SRC}'
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def run(self):
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output=self.inputs[0].change_ext('.beam')
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erlc = self.generator.env["ERLC"]
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inca = [i for i in self.includes_nodes if os.path.isabs(i)]
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incr = [self.generator.path.find_dir(i) for i in self.includes_nodes if not os.path.isabs(i)]
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incr = filter(lambda x:x, incr)
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incb = [i.get_bld() for i in incr]
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inc = inca + [i.abspath() for i in incr+incb]
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r = self.exec_command(
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erlc + self.flags
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+ ["-I"+i for i in inc]
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+ ["-D"+d for d in self.defines]
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+ [self.inputs[0].path_from(output.parent)],
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cwd=output.parent.abspath(),
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shell=False)
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return r
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def scan(task):
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node = task.inputs[0]
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deps = []
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scanned = set([])
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nodes_to_scan = [node]
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for n in nodes_to_scan:
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if n.abspath() in scanned:
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continue
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for i in re.findall('-include\("(.*)"\)\.', n.read()):
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for d in task.erlc_incnodes:
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r = d.find_node(i)
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if r:
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deps.append(r)
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nodes_to_scan.append(r)
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break
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scanned.add(n.abspath())
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return (deps, [])
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@TaskGen.extension('.beam')
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def process(self, node):
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@ -92,40 +69,29 @@ def process(self, node):
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class erl_test(Task.Task):
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color = 'BLUE'
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vars = ['ERL', 'ERL_FLAGS']
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def run(self):
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test_list = ", ".join([m.change_ext("").path_from(m.parent)+":test()" for m in self.modules])
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flags = " ".join(self.flags)
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return self.exec_command(
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self.generator.env.ERL
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+ self.generator.env.ERL_FLAGS
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+ self.flags
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+ EXEC_NON_INTERACTIVE
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+ ['halt(case lists:all(fun(Elem) -> Elem == ok end, [%s]) of true -> 0; false -> 1 end).' % test_list],
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cwd = self.modules[0].parent.abspath())
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run_str = '${ERL} ${ERL_FLAGS} ${ERL_TEST_FLAGS}'
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@feature('eunit')
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@after_method('process_source')
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def addtestrun(self):
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def add_erl_test_run(self):
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test_modules = [t.outputs[0] for t in self.tasks]
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test_task = self.create_task('erl_test')
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test_task.set_inputs(self.source + test_modules)
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test_task.modules = test_modules
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test_task.flags = self.to_list(getattr(self, 'flags', []))
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test_task.cwd = test_modules[0].parent
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test_task.env.append_value('ERL_FLAGS', self.to_list(getattr(self, 'flags', [])))
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test_list = ", ".join([m.change_ext("").path_from(test_task.cwd)+":test()" for m in test_modules])
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test_flag = 'halt(case lists:all(fun(Elem) -> Elem == ok end, [%s]) of true -> 0; false -> 1 end).' % test_list
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test_task.env.append_value('ERL_TEST_FLAGS', EXEC_NON_INTERACTIVE)
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test_task.env.append_value('ERL_TEST_FLAGS', test_flag)
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class edoc(Task.Task):
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color = 'BLUE'
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vars = ['ERL_FLAGS', 'ERL']
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def run(self):
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self.exec_command(
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self.generator.env.ERL
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+ self.generator.env.ERL_FLAGS
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+ EXEC_NON_INTERACTIVE
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+ ['edoc:files([\"'+self.inputs[0].abspath()+'\"]), halt(0).'],
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cwd = self.outputs[0].parent.abspath()
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)
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run_str = "${ERL} ${ERL_FLAGS} ${ERL_DOC_FLAGS}"
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def keyword(self):
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return 'Generating edoc'
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@feature('edoc')
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@before_method('process_source')
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@ -136,4 +102,9 @@ def add_edoc_task(self):
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t = e.change_ext('.html')
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png = t.parent.make_node('erlang.png')
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css = t.parent.make_node('stylesheet.css')
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self.create_task('edoc', e, [t, png, css])
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tsk = self.create_task('edoc', e, [t, png, css])
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tsk.cwd = tsk.outputs[0].parent
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tsk.env.append_value('ERL_DOC_FLAGS', EXEC_NON_INTERACTIVE)
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tsk.env.append_value('ERL_DOC_FLAGS', 'edoc:files(["%s"]), halt(0).' % tsk.inputs[0].abspath())
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# TODO the above can break if a file path contains '"'
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