File size: 2,152 Bytes
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Module for debugging tokenizer
nd tokenized source code
"""
import csv
class DebugTokenizer:
"""
Class for debugging tokenizer
"""
#Operators to catch
catch_operators = frozenset([])
#Keywords to catch
catch_keywords = frozenset([])
#Tokens to catch
catch_tokens = frozenset([".*"])
#catch_tokens = frozenset([">>>", "and", "or", "not"])
def __init__(self, debug, report_dir):
"""
Initialize debugging
Paramneters:
- debug -- flag to debug tokenization
If it is False no debugging is performed
- report_dir -- directory to write the report to
"""
self.debug = debug
if not self.debug: return
self.too_short_files = {}
self.too_long_files = {}
self.strange_token_files = {}
self.strange_operator_files = {}
self.strange_keyword_files = {}
self.debug_number = 0
self.fout = open(f"{report_dir}\DebugTokenization.lst", 'w')
def debugFile(self, source_fn, tok_fn):
"""
Check tokenized file
Parameters:
- source_fn -- file name of source code
- tok_fn -- file name of tokenizer output
"""
if not self.debug: return
_strange_tokens = set()
with open(tok_fn, newline='',
encoding="ISO-8859-1") as _csvfile:
_token_reader = csv.reader(_csvfile)
_token_reader.__next__() #Skip csv header
for _, _, _tok_class, _tok_value in _token_reader:
if _tok_class == "operator" or _tok_class == "keyword":
if _tok_value in self.catch_tokens:
_strange_tokens.add(_tok_value)
if _strange_tokens:
self.debug_number += 1
_t = ", ".join(_strange_tokens)
self.fout.write(f"{self.debug_number:3d} {source_fn}\n")
self.fout.write(f" Unexpected tokens: {_t}\n")
def endDebug(self):
"""
Complete debugging
"""
if not self.debug: return
self.fout.close()
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