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current/deps/v8/tools/locs.py

Summary

Maintainability
F
1 mo
Test Coverage

File locs.py has 375 lines of code (exceeds 250 allowed). Consider refactoring.
Open

#!/usr/bin/env python

# Copyright 2018 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
Severity: Minor
Found in current/deps/v8/tools/locs.py - About 5 hrs to fix

    Function parse_ninja_deps has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.
    Open

    def parse_ninja_deps(ninja_deps):
  source_dependencies = {}
  header_dependents = defaultdict(int)
  current_target = None
  for line in ninja_deps:
    Severity: Minor
    Found in current/deps/v8/tools/locs.py - About 2 hrs to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function Main has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
    Open

    def Main():
  out = sys.stdout
  if ARGS['json']:
    out = sys.stderr
    Severity: Minor
    Found in current/deps/v8/tools/locs.py - About 1 hr to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function SetupReportGroups has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.
    Open

    def SetupReportGroups():
  default_report_groups = {"total": '.*',
                           "src": '\\.\\./\\.\\./src',
                           "test": '\\.\\./\\.\\./test',
                           "third_party": '\\.\\./\\.\\./third_party',
    Severity: Minor
    Found in current/deps/v8/tools/locs.py - About 1 hr to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Function recordFile has 6 arguments (exceeds 4 allowed). Consider refactoring.
    Open

      def recordFile(self, filename, targetname, loc, in_bytes, expanded, expanded_bytes):
    Severity: Minor
    Found in current/deps/v8/tools/locs.py - About 45 mins to fix

      Function __init__ has 6 arguments (exceeds 4 allowed). Consider refactoring.
      Open

        def __init__(self, file, target, loc, in_bytes, expanded, expanded_bytes):
      Severity: Minor
      Found in current/deps/v8/tools/locs.py - About 45 mins to fix

        Identical blocks of code found in 2 locations. Consider refactoring.
        Open

        Severity: Major
        Found in current/deps/v8/tools/locs.py and 1 other location - About 1 mo to fix
        lts/deps/v8/tools/locs.py on lines 0..458

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 3141.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

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