def eliminate_ilr_s0(m,n):
arr_non_term = elel.init_range(1,m+1,1)
arr_non_term = elel.mapiv(arr_non_term,lambda i,v:"Aa"+str(i))
arr_term = elel.init_range(1,n+1,1)
arr_term = elel.mapiv(arr_term,lambda i,v:"B"+str(i))
arr = arr_non_term + arr_term
s = elel.join(arr,"|")
s = "A -> " + s
return(s)
def get_children(jobj):
if(isinstance(jobj,list)):
children = elel.mapiv(jobj,lambda i,r:(i,r))
elif(isinstance(jobj,dict)):
children = eded.d2kvlist(jobj)
elif(isinstance(jobj,tuple)):
children = elel.mapiv(jobj,lambda i,r:(i,r))
else:
children = [(null,jobj)]
return(children)
def get_children(jobj):
ele = jobj.__ele
if(isinstance(ele,list)):
children = elel.mapiv(ele,lambda i,chele:_lele2chjobj(i,chele,ele))
elif(isinstance(ele,dict)):
items = list(ele.items())
children = elel.mapiv(items,lambda i,item:_dele2chjobj(i,item,ele))
elif(isinstance(ele,tuple)):
children = elel.mapiv(ele,lambda i,chele:_lele2chjobj(i,chele,ele))
else:
children =[]
return(children)
def eliminate_ilr(arr_alpha,arr_beta,non_term="A"):
arr_alpha_tmp = elel.mapiv(arr_alpha,lambda i,v:non_term+v)
arr = arr_alpha_tmp + arr_beta
s = elel.join(arr,"|")
s = non_term + " -> " + s
print(s)
arr_beta = elel.mapiv(arr_beta,lambda i,v:v+non_term+"'")
s = elel.join(arr_beta,"|")
s = non_term + " -> " + s
print(s)
arr_alpha = elel.mapiv(arr_alpha,lambda i,v:v+non_term+"'" )
s = elel.join(arr_alpha,"|")
s = non_term + "'" + " -> " + s +"|" + "epsilon"
print(s)
def get_children(plnd):
'''
这一步会填充ele.pbreadth,因为get_children之后,父节点就脱离了,完全依赖pbreadth
这一步会填充ele.ftag,因为当前层的key(dict) seq(list,tuple) dummy_seq(set)会在这一层决定
这一步会填充ele.sibseq, 在兄弟中是第几个
这一步会填充ele.depth, 在兄弟中是第几个
这一步会填充ele.fpl, 在兄弟中是第几个
这一步会填充ele['type'] 这个spec info
'''
fpl = plnd.ele.fpl #current fpl will be used as children pfpl
jobj = plnd.jobj #current jobj
if (isinstance(jobj, dict)):
ftagl, _ = eded.d2kvlist(jobj) #get keys-list (ftagl)
elif (isinstance(jobj, list) or isinstance(jobj, tuple)
or isinstance(jobj, set)):
ftagl = elel.init_range(0, len(jobj), 1)
else:
ftagl = [] #others all leaf-plnds
#####
pfpl = fpl
chfpls = elel.mapv(ftagl, plfunc.ppl2pl,
[pfpl]) #get children-full-pathlist
#######
pjobj = jobj
pele = plnd.ele
children = elel.mapiv(
chfpls, init_plnd, [pele, pjobj]
) #get all-children,init_plnd-will-fill-pbreadth=ftag=sibseq,fill-parent-ele-children
return (children)
def nds2rsh(nds):
'''
rsh = nds2rsh(nds)
'''
sdfsnds = nds2sdfsnds(nds)
depths = elel.mapv(sdfsnds,lambda nd:ndgetdepth(nd,nds))
lns = elel.mapiv(depths,lambda i,depth:" "*depth+"v"+str(sdfsnds[i].val))
rsh = elel.join(lns,"\n")
return(rsh)
def fpl2fapl(fpl,typel):
'''
>>> wfsm[3][0].typel
['dict', 'list', 'dict', 'str']
>>>
>>> wfsm[3][0].fpl
['body', 0, 'type']
>>>
>>> plfuncs.fpl2fapl(['body', 0, 'type'],['dict', 'list', 'dict', 'str'])
['body', 'l0_', 'type']
'''
fapl = elel.mapiv(fpl,lambda i,k,o:kastr.ftag2fatag(k,o[i]),[typel])
return(fapl)
def add_col(dtb,colname,colarg):
'''
>>> colname
'five'
>>> col
[100, 200, 300, 400, 500]
>>> parr(add_col(dtb,colname,col))
{'one': 3, 'two': 1, 'three': 2, 'four': 4, 'five': 100}
{'one': 8, 'two': 6, 'three': 7, 'four': 9, 'five': 200}
{'one': 13, 'two': 11, 'three': 12, 'four': 14, 'five': 300}
{'one': 18, 'two': 16, 'three': 17, 'four': 19, 'five': 400}
{'one': 23, 'two': 21, 'three': 22, 'four': 24, 'five': 500}
>>>
'''
def map_func(i,v,o1,o2):
v[o1] = o2[i]
return(v)
cvl = colarg2cvl(colarg)
dtb = elel.mapiv(dtb,map_func,[colname,cvl])
return(dtb)
def rslctri(dtb,cond_func,*oargs):
'''
#ri row-index
#cond_func(ri,row,*oargs)
>>> ndtb = rslctri(dtb,lambda i,row:(row['two']%2==1)and(i>2))
>>>
>>> parr(dtb)
{'one': 3, 'two': 1, 'three': 2, 'four': 4}
{'one': 8, 'two': 6, 'three': 7, 'four': 9}
{'one': 13, 'two': 11, 'three': 12, 'four': 14}
{'one': 18, 'two': 16, 'three': 17, 'four': 19}
{'one': 23, 'two': 21, 'three': 22, 'four': 24}
>>>
>>> ndtb = rslctri(dtb,lambda i,row:(row['two']%2==1)and(i>2))
>>>
>>> parr(ndtb)
{'one': 23, 'two': 21, 'three': 22, 'four': 24}
>>>
'''
conds = elel.mapiv(dtb,cond_func,oargs)
nseqs = elel.indexes_all(conds,True)
ndtb = elel.select_seqs(dtb,nseqs)
return(ndtb)
def eliminate_ilr_s2(n):
arr = elel.init_range(1,n+1,1)
arr = elel.mapiv(arr,lambda i,v:"a"+str(i)+"A'")
s = elel.join(arr,"|")
s = "A' -> " + s + "|" + "epsilon"
return(s)
def eliminate_ilr_s1(n):
arr = elel.init_range(1,n+1,1)
arr = elel.mapiv(arr,lambda i,v:"b"+str(i)+"A'")
s = elel.join(arr,"|")
s = "A -> " + s
return(s)