KevinMidboe/linguist
1
0
Fork 0
mirror of https://github.com/KevinMidboe/linguist.git synced 2025-10-29 17:50:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

Recognise that PEG.js-generated parsers are in fact generated

Browse Source
This commit is contained in:
Michael Ficarra
2012-06-19 11:18:51 -05:00
parent 8a9d8a15af
commit 11166911dc
3 changed files with 2996 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
lib/linguist/blob_helper.rb
View File

@@ -255,17 +255,16 @@ module Linguist
# Includes: # Includes:
# - XCode project XML files # - XCode project XML files
# - Minified JavaScript # - Minified JavaScript
# - Compiled CoffeeScript
# - PEG.js-generated parsers
# #
# Please add additional test coverage to # Please add additional test coverage to
# `test/test_blob.rb#test_generated` if you make any changes. # `test/test_blob.rb#test_generated` if you make any changes.
# #
# Return true or false # Return true or false
def generated? def generated?
if xcode_project_file? || generated_net_docfile? if name == 'Gemfile.lock' || minified_javascript? || compiled_coffeescript? ||
true xcode_project_file? || generated_net_docfile? || generated_parser?
elsif generated_coffeescript? || minified_javascript?
true
elsif name == 'Gemfile.lock'
true true
else else
false false
@@ -293,17 +292,36 @@ module Linguist
average_line_length > 100 average_line_length > 100
end end
# Internal: Is the blob JS generated by CoffeeScript? # Internal: Is the blob of JS a parser generated by PEG.js?
#
# Requires Blob#data
#
# PEG.js-generated parsers are not meant to be consumed by humans.
#
# Return true or false
def generated_parser?
return false unless extname == '.js'
# PEG.js-generated parsers include a comment near the top of the file
# that marks them as such.
if lines[0..4].join('') =~ /^(?:[^\/]|\/[^\*])*\/\*(?:[^\*]|\*[^\/])*Generated by PEG.js/
return true
end
false
end
# Internal: Is the blob of JS generated by CoffeeScript?
# #
# Requires Blob#data # Requires Blob#data
# #
# CoffeScript is meant to output JS that would be difficult to # CoffeScript is meant to output JS that would be difficult to
# tell if it was generated or not. Look for a number of patterns # tell if it was generated or not. Look for a number of patterns
# outputed by the CS compiler. # output by the CS compiler.
# #
# Return true or false # Return true or false
def generated_coffeescript? def compiled_coffeescript?
return unless extname == '.js' return false unless extname == '.js'
# CoffeeScript generated by > 1.2 include a comment on the first line # CoffeeScript generated by > 1.2 include a comment on the first line
if lines[0] =~ /^\/\/ Generated by / if lines[0] =~ /^\/\/ Generated by /

2963
test/fixtures/javascript/parser.js vendored Normal file
View File

File diff suppressed because it is too large Load Diff

8
test/test_blob.rb
View File

@@ -183,9 +183,13 @@ class TestBlob < Test::Unit::TestCase
assert blob("javascript/jquery-1.6.1.min.js").generated? assert blob("javascript/jquery-1.6.1.min.js").generated?
assert blob("javascript/jquery-1.4.2.min.js").generated? assert blob("javascript/jquery-1.4.2.min.js").generated?
# CoffeScript JS # CoffeeScript-generated JS
# TODO
# These examples are to basic to tell # PEG.js-generated parsers
assert blob("javascript/parser.js").generated?
# These examples are too basic to tell
assert !blob("javascript/empty.js").generated? assert !blob("javascript/empty.js").generated?
assert !blob("javascript/hello.js").generated? assert !blob("javascript/hello.js").generated?