My objective is to find the line numbers of the start and the end of a loop
statement in python.
Example scenario
#A.py
Line1: a=0
Line2: while a<5:
Line3: print a
Line4: a=a+1
Desired output:
Start of a loop Line2
End of a loop Line4
Current parser code
#parser.py
with open(a) as f:
tree = ast.parse(f.read())
taskline=[]
for node in ast.walk(tree):
if isinstance(node, (ast.For)) or isinstance(node,(ast.While)):
print node.lineno-1 <-- This give line number on for the start of a
loop
I wanted to achieve the above output. I use AST to parse a given file and
determine the occurrence of loops. With AST parsing i am able to find line
number for the start of the loop but the line number for ending of the loop is
yet to be determined. Is there any way i could parse an entire loop statement
and determine its starting and ending line number ?
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