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35 lines
1.7 KiB
35 lines
1.7 KiB
import re, logging, sys
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from slither.utils.colors import red, yellow, set_colorization_enabled
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger('Slither.Format')
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set_colorization_enabled(True)
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class FormatConstableStates:
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@staticmethod
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def format(slither, patches, elements):
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for element in elements:
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FormatConstableStates.create_patch(slither, patches, element['source_mapping']['filename_absolute'], \
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element['source_mapping']['filename_relative'], element['name'], \
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"constant " + element['name'], element['source_mapping']['start'], \
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element['source_mapping']['start'] + element['source_mapping']['length'])
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@staticmethod
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def create_patch(slither, patches, in_file, in_file_relative, match_text, replace_text, modify_loc_start, modify_loc_end):
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in_file_str = slither.source_code[in_file].encode('utf-8')
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old_str_of_interest = in_file_str[modify_loc_start:modify_loc_end]
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# Add keyword `constant` before the variable name
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(new_str_of_interest, num_repl) = re.subn(match_text, replace_text, old_str_of_interest.decode('utf-8'), 1)
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if num_repl != 0:
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patches[in_file_relative].append({
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"file" : in_file,
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"detector" : "constable-states",
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"start" : modify_loc_start,
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"end" : modify_loc_end,
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"old_string" : old_str_of_interest.decode('utf-8'),
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"new_string" : new_str_of_interest
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})
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else:
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logger.error(red("State variable not found?!"))
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sys.exit(-1)
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