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-rw-r--r--extras/erlang.py110
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diff --git a/extras/erlang.py b/extras/erlang.py
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--- a/extras/erlang.py
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-#!/usr/bin/env python
-# encoding: utf-8
-# Thomas Nagy, 2010 (ita)
-# Przemyslaw Rzepecki, 2016
-
-"""
-Erlang support
-"""
-
-import re
-from waflib import Task, TaskGen
-from waflib.TaskGen import feature, after_method, before_method
-# to load the method "to_incnodes" below
-from waflib.Tools import ccroot
-
-# Those flags are required by the Erlang VM to execute/evaluate code in
-# non-interactive mode. It is used in this tool to create Erlang modules
-# documentation and run unit tests. The user can pass additional arguments to the
-# 'erl' command with ERL_FLAGS environment variable.
-EXEC_NON_INTERACTIVE = ['-noshell', '-noinput', '-eval']
-
-def configure(conf):
- conf.find_program('erlc', var='ERLC')
- conf.find_program('erl', var='ERL')
- conf.add_os_flags('ERLC_FLAGS')
- conf.add_os_flags('ERL_FLAGS')
- conf.env.ERLC_DEF_PATTERN = '-D%s'
- conf.env.ERLC_INC_PATTERN = '-I%s'
-
-@TaskGen.extension('.erl')
-def process_erl_node(self, node):
- tsk = self.create_task('erl', node, node.change_ext('.beam'))
- tsk.erlc_incnodes = [tsk.outputs[0].parent] + self.to_incnodes(self.includes)
- tsk.env.append_value('ERLC_INCPATHS', [x.abspath() for x in tsk.erlc_incnodes])
- tsk.env.append_value('ERLC_DEFINES', self.to_list(getattr(self, 'defines', [])))
- tsk.env.append_value('ERLC_FLAGS', self.to_list(getattr(self, 'flags', [])))
- tsk.cwd = tsk.outputs[0].parent
-
-class erl(Task.Task):
- color = 'GREEN'
- run_str = '${ERLC} ${ERL_FLAGS} ${ERLC_INC_PATTERN:ERLC_INCPATHS} ${ERLC_DEF_PATTERN:ERLC_DEFINES} ${SRC}'
-
- def scan(task):
- node = task.inputs[0]
-
- deps = []
- scanned = set([])
- nodes_to_scan = [node]
-
- for n in nodes_to_scan:
- if n.abspath() in scanned:
- continue
-
- for i in re.findall(r'-include\("(.*)"\)\.', n.read()):
- for d in task.erlc_incnodes:
- r = d.find_node(i)
- if r:
- deps.append(r)
- nodes_to_scan.append(r)
- break
- scanned.add(n.abspath())
-
- return (deps, [])
-
-@TaskGen.extension('.beam')
-def process(self, node):
- pass
-
-
-class erl_test(Task.Task):
- color = 'BLUE'
- run_str = '${ERL} ${ERL_FLAGS} ${ERL_TEST_FLAGS}'
-
-@feature('eunit')
-@after_method('process_source')
-def add_erl_test_run(self):
- test_modules = [t.outputs[0] for t in self.tasks]
- test_task = self.create_task('erl_test')
- test_task.set_inputs(self.source + test_modules)
- test_task.cwd = test_modules[0].parent
-
- test_task.env.append_value('ERL_FLAGS', self.to_list(getattr(self, 'flags', [])))
-
- test_list = ", ".join([m.change_ext("").path_from(test_task.cwd)+":test()" for m in test_modules])
- test_flag = 'halt(case lists:all(fun(Elem) -> Elem == ok end, [%s]) of true -> 0; false -> 1 end).' % test_list
- test_task.env.append_value('ERL_TEST_FLAGS', EXEC_NON_INTERACTIVE)
- test_task.env.append_value('ERL_TEST_FLAGS', test_flag)
-
-
-class edoc(Task.Task):
- color = 'BLUE'
- run_str = "${ERL} ${ERL_FLAGS} ${ERL_DOC_FLAGS}"
- def keyword(self):
- return 'Generating edoc'
-
-@feature('edoc')
-@before_method('process_source')
-def add_edoc_task(self):
- # do not process source, it would create double erl->beam task
- self.meths.remove('process_source')
- e = self.path.find_resource(self.source)
- t = e.change_ext('.html')
- png = t.parent.make_node('erlang.png')
- css = t.parent.make_node('stylesheet.css')
- tsk = self.create_task('edoc', e, [t, png, css])
- tsk.cwd = tsk.outputs[0].parent
- tsk.env.append_value('ERL_DOC_FLAGS', EXEC_NON_INTERACTIVE)
- tsk.env.append_value('ERL_DOC_FLAGS', 'edoc:files(["%s"]), halt(0).' % tsk.inputs[0].abspath())
- # TODO the above can break if a file path contains '"'
-