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#! /usr/bin/env python
# encoding: utf-8
# WARNING! Do not edit! http://waf.googlecode.com/svn/docs/wafbook/single.html#_obtaining_the_waf_file
import sys
if sys.hexversion < 0x020400f0: from sets import Set as set
import copy,re
from waflib import Task,Utils,Logs,Errors,ConfigSet
feats=Utils.defaultdict(set)
class task_gen(object):
mappings={}
prec=Utils.defaultdict(list)
def __init__(self,*k,**kw):
self.source=''
self.target=''
self.meths=[]
self.prec=Utils.defaultdict(list)
self.mappings={}
self.features=[]
self.tasks=[]
if not'bld'in kw:
self.env=ConfigSet.ConfigSet()
self.idx=0
self.path=None
else:
self.bld=kw['bld']
self.env=self.bld.env.derive()
self.path=self.bld.path
try:
self.idx=self.bld.idx[id(self.path)]=self.bld.idx.get(id(self.path),0)+1
except AttributeError:
self.bld.idx={}
self.idx=self.bld.idx[id(self.path)]=0
for key,val in kw.items():
setattr(self,key,val)
def __str__(self):
return"<task_gen %r declared in %s>"%(self.name,self.path.abspath())
def __repr__(self):
lst=[]
for x in self.__dict__.keys():
if x not in['env','bld','compiled_tasks','tasks']:
lst.append("%s=%s"%(x,repr(getattr(self,x))))
return"bld(%s) in %s"%(", ".join(lst),self.path.abspath())
def get_name(self):
try:
return self._name
except AttributeError:
if isinstance(self.target,list):
lst=[str(x)for x in self.target]
name=self._name=','.join(lst)
else:
name=self._name=str(self.target)
return name
def set_name(self,name):
self._name=name
name=property(get_name,set_name)
def to_list(self,val):
if isinstance(val,str):return val.split()
else:return val
def post(self):
if getattr(self,'posted',None):
return False
self.posted=True
keys=set(self.meths)
self.features=Utils.to_list(self.features)
for x in self.features+['*']:
st=feats[x]
if not st:
if not x in Task.classes:
Logs.warn('feature %r does not exist - bind at least one method to it'%x)
keys.update(list(st))
prec={}
prec_tbl=self.prec or task_gen.prec
for x in prec_tbl:
if x in keys:
prec[x]=prec_tbl[x]
tmp=[]
for a in keys:
for x in prec.values():
if a in x:break
else:
tmp.append(a)
out=[]
while tmp:
e=tmp.pop()
if e in keys:out.append(e)
try:
nlst=prec[e]
except KeyError:
pass
else:
del prec[e]
for x in nlst:
for y in prec:
if x in prec[y]:
break
else:
tmp.append(x)
if prec:
raise Errors.WafError('Cycle detected in the method execution %r'%prec)
out.reverse()
self.meths=out
Logs.debug('task_gen: posting %s %d'%(self,id(self)))
for x in out:
try:
v=getattr(self,x)
except AttributeError:
raise Errors.WafError('%r is not a valid task generator method'%x)
Logs.debug('task_gen: -> %s (%d)'%(x,id(self)))
v()
Logs.debug('task_gen: posted %s'%self.name)
return True
def get_hook(self,node):
name=node.name
for k in self.mappings:
if name.endswith(k):
return self.mappings[k]
for k in task_gen.mappings:
if name.endswith(k):
return task_gen.mappings[k]
raise Errors.WafError("File %r has no mapping in %r (did you forget to load a waf tool?)"%(node,task_gen.mappings.keys()))
def create_task(self,name,src=None,tgt=None):
task=Task.classes[name](env=self.env.derive(),generator=self)
if src:
task.set_inputs(src)
if tgt:
task.set_outputs(tgt)
self.tasks.append(task)
return task
def clone(self,env):
newobj=self.bld()
for x in self.__dict__:
if x in['env','bld']:
continue
elif x in['path','features']:
setattr(newobj,x,getattr(self,x))
else:
setattr(newobj,x,copy.copy(getattr(self,x)))
newobj.posted=False
if isinstance(env,str):
newobj.env=self.bld.all_envs[env].derive()
else:
newobj.env=env.derive()
return newobj
def declare_chain(name='',rule=None,reentrant=True,color='BLUE',ext_in=[],ext_out=[],before=[],after=[],decider=None,scan=None,install_path=None,shell=False):
ext_in=Utils.to_list(ext_in)
ext_out=Utils.to_list(ext_out)
if not name:
name=rule
cls=Task.task_factory(name,rule,color=color,ext_in=ext_in,ext_out=ext_out,before=before,after=after,scan=scan,shell=shell)
def x_file(self,node):
ext=decider and decider(self,node)or cls.ext_out
if ext_in:
_ext_in=ext_in[0]
out_source=[node.change_ext(x,ext_in=_ext_in)for x in ext]
if reentrant:
for i in range(reentrant):
self.source.append(out_source[i])
tsk=self.create_task(name,node,out_source)
if install_path:
self.bld.install_files(install_path,out_source)
return tsk
for x in cls.ext_in:
task_gen.mappings[x]=x_file
return x_file
def taskgen_method(func):
setattr(task_gen,func.__name__,func)
return func
def feature(*k):
def deco(func):
setattr(task_gen,func.__name__,func)
for name in k:
feats[name].update([func.__name__])
return func
return deco
def before_method(*k):
def deco(func):
setattr(task_gen,func.__name__,func)
for fun_name in k:
if not func.__name__ in task_gen.prec[fun_name]:
task_gen.prec[fun_name].append(func.__name__)
return func
return deco
before=before_method
def after_method(*k):
def deco(func):
setattr(task_gen,func.__name__,func)
for fun_name in k:
if not fun_name in task_gen.prec[func.__name__]:
task_gen.prec[func.__name__].append(fun_name)
return func
return deco
after=after_method
def extension(*k):
def deco(func):
setattr(task_gen,func.__name__,func)
for x in k:
task_gen.mappings[x]=func
return func
return deco
def to_nodes(self,lst,path=None):
tmp=[]
path=path or self.path
find=path.find_resource
if isinstance(lst,self.path.__class__):
lst=[lst]
for x in Utils.to_list(lst):
if isinstance(x,str):
node=find(x)
if not node:
raise Errors.WafError("source not found: %r in %r"%(x,self))
else:
node=x
tmp.append(node)
return tmp
def process_source(self):
self.source=self.to_nodes(getattr(self,'source',[]))
for node in self.source:
self.get_hook(node)(self,node)
def process_rule(self):
if not getattr(self,'rule',None):
return
name=str(getattr(self,'name',None)or self.target or self.rule)
cls=Task.task_factory(name,self.rule,getattr(self,'vars',[]),shell=getattr(self,'shell',True),color=getattr(self,'color','BLUE'))
tsk=self.create_task(name)
if getattr(self,'target',None):
if isinstance(self.target,str):
self.target=self.target.split()
if not isinstance(self.target,list):
self.target=[self.target]
for x in self.target:
if isinstance(x,str):
tsk.outputs.append(self.path.find_or_declare(x))
else:
x.parent.mkdir()
tsk.outputs.append(x)
if getattr(self,'install_path',None):
self.bld.install_files(self.install_path,tsk.outputs)
if getattr(self,'source',None):
tsk.inputs=self.to_nodes(self.source)
self.source=[]
if getattr(self,'scan',None):
cls.scan=self.scan
if getattr(self,'cwd',None):
tsk.cwd=self.cwd
if getattr(self,'update_outputs',None)or getattr(self,'on_results',None):
Task.update_outputs(cls)
if getattr(self,'always',None):
Task.always_run(cls)
for x in['after','before','ext_in','ext_out']:
setattr(cls,x,getattr(self,x,[]))
def sequence_order(self):
if self.meths and self.meths[-1]!='sequence_order':
self.meths.append('sequence_order')
return
if getattr(self,'seq_start',None):
return
if getattr(self.bld,'prev',None):
self.bld.prev.post()
for x in self.bld.prev.tasks:
for y in self.tasks:
y.set_run_after(x)
self.bld.prev=self
re_m4=re.compile('@(\w+)@',re.M)
class subst_pc(Task.Task):
def run(self):
code=self.inputs[0].read()
code=code.replace('%','%%')
lst=[]
def repl(match):
g=match.group
if g(1):
lst.append(g(1))
return"%%(%s)s"%g(1)
return''
code=re_m4.sub(repl,code)
try:
d=self.generator.dct
except AttributeError:
d={}
for x in lst:
d[x]=getattr(self.generator,x,'')or self.env.get_flat(x)or self.env.get_flat(x.upper())
if not d[x]and not getattr(self.generator,'quiet',False):
raise ValueError('variable %r has no value for %r'%(x,self.outputs))
self.outputs[0].write(code%d)
self.generator.bld.raw_deps[self.uid()]=self.dep_vars=lst
try:delattr(self,'cache_sig')
except AttributeError:pass
def sig_vars(self):
bld=self.generator.bld
env=self.env
upd=self.m.update
vars=self.generator.bld.raw_deps.get(self.uid(),[])
act_sig=bld.hash_env_vars(env,vars)
upd(act_sig)
lst=[getattr(self.generator,x,'')for x in vars]
upd(Utils.h_list(lst))
return self.m.digest()
def add_pcfile(self,node):
tsk=self.create_task('subst_pc',node,node.change_ext('.pc','.pc.in'))
self.bld.install_files(getattr(self,'install_path','${LIBDIR}/pkgconfig/'),tsk.outputs)
class subst(subst_pc):
pass
def process_subst(self):
src=self.to_nodes(getattr(self,'source',[]))
tgt=getattr(self,'target',[])
if isinstance(tgt,self.path.__class__):
tgt=[tgt]
tgt=[isinstance(x,self.path.__class__)and x or self.path.find_or_declare(x)for x in Utils.to_list(tgt)]
if len(src)!=len(tgt):
raise Errors.WafError('invalid source or target for %r'%self)
for x,y in zip(src,tgt):
if not(x and y):
raise Errors.WafError('invalid source or target for %r'%self)
tsk=self.create_task('subst',x,y)
for a in('after','before','ext_in','ext_out'):
val=getattr(self,a,None)
if val:
setattr(tsk,a,val)
inst_to=getattr(self,'install_path',None)
if inst_to:
self.bld.install_files(inst_to,tgt,chmod=getattr(self,'chmod',Utils.O644))
self.source=[]
taskgen_method(to_nodes)
feature('*')(process_source)
feature('*')(process_rule)
before_method('process_source')(process_rule)
feature('seq')(sequence_order)
extension('.pc.in')(add_pcfile)
feature('subst')(process_subst)
before_method('process_source','process_rule')(process_subst)
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